*/
#include "libavutil/avassert.h"
+#include "libavutil/display.h"
#include "libavutil/imgutils.h"
+#include "libavutil/opt.h"
#include "libavutil/stereo3d.h"
+#include "libavutil/timer.h"
#include "internal.h"
#include "cabac.h"
#include "cabac_functions.h"
-#include "dsputil.h"
#include "error_resilience.h"
#include "avcodec.h"
-#include "mpegvideo.h"
#include "h264.h"
#include "h264data.h"
#include "h264chroma.h"
#include "h264_mvpred.h"
#include "golomb.h"
#include "mathops.h"
+#include "me_cmp.h"
+#include "mpegutils.h"
#include "rectangle.h"
#include "svq3.h"
#include "thread.h"
const uint16_t ff_h264_mb_sizes[4] = { 256, 384, 512, 768 };
-static const uint8_t rem6[QP_MAX_NUM + 1] = {
- 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2,
- 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5,
- 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3,
-};
-
-static const uint8_t div6[QP_MAX_NUM + 1] = {
- 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3,
- 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6,
- 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10,
-};
-
-static const uint8_t field_scan[16] = {
- 0 + 0 * 4, 0 + 1 * 4, 1 + 0 * 4, 0 + 2 * 4,
- 0 + 3 * 4, 1 + 1 * 4, 1 + 2 * 4, 1 + 3 * 4,
- 2 + 0 * 4, 2 + 1 * 4, 2 + 2 * 4, 2 + 3 * 4,
- 3 + 0 * 4, 3 + 1 * 4, 3 + 2 * 4, 3 + 3 * 4,
-};
-
-static const uint8_t field_scan8x8[64] = {
- 0 + 0 * 8, 0 + 1 * 8, 0 + 2 * 8, 1 + 0 * 8,
- 1 + 1 * 8, 0 + 3 * 8, 0 + 4 * 8, 1 + 2 * 8,
- 2 + 0 * 8, 1 + 3 * 8, 0 + 5 * 8, 0 + 6 * 8,
- 0 + 7 * 8, 1 + 4 * 8, 2 + 1 * 8, 3 + 0 * 8,
- 2 + 2 * 8, 1 + 5 * 8, 1 + 6 * 8, 1 + 7 * 8,
- 2 + 3 * 8, 3 + 1 * 8, 4 + 0 * 8, 3 + 2 * 8,
- 2 + 4 * 8, 2 + 5 * 8, 2 + 6 * 8, 2 + 7 * 8,
- 3 + 3 * 8, 4 + 1 * 8, 5 + 0 * 8, 4 + 2 * 8,
- 3 + 4 * 8, 3 + 5 * 8, 3 + 6 * 8, 3 + 7 * 8,
- 4 + 3 * 8, 5 + 1 * 8, 6 + 0 * 8, 5 + 2 * 8,
- 4 + 4 * 8, 4 + 5 * 8, 4 + 6 * 8, 4 + 7 * 8,
- 5 + 3 * 8, 6 + 1 * 8, 6 + 2 * 8, 5 + 4 * 8,
- 5 + 5 * 8, 5 + 6 * 8, 5 + 7 * 8, 6 + 3 * 8,
- 7 + 0 * 8, 7 + 1 * 8, 6 + 4 * 8, 6 + 5 * 8,
- 6 + 6 * 8, 6 + 7 * 8, 7 + 2 * 8, 7 + 3 * 8,
- 7 + 4 * 8, 7 + 5 * 8, 7 + 6 * 8, 7 + 7 * 8,
-};
-
-static const uint8_t field_scan8x8_cavlc[64] = {
- 0 + 0 * 8, 1 + 1 * 8, 2 + 0 * 8, 0 + 7 * 8,
- 2 + 2 * 8, 2 + 3 * 8, 2 + 4 * 8, 3 + 3 * 8,
- 3 + 4 * 8, 4 + 3 * 8, 4 + 4 * 8, 5 + 3 * 8,
- 5 + 5 * 8, 7 + 0 * 8, 6 + 6 * 8, 7 + 4 * 8,
- 0 + 1 * 8, 0 + 3 * 8, 1 + 3 * 8, 1 + 4 * 8,
- 1 + 5 * 8, 3 + 1 * 8, 2 + 5 * 8, 4 + 1 * 8,
- 3 + 5 * 8, 5 + 1 * 8, 4 + 5 * 8, 6 + 1 * 8,
- 5 + 6 * 8, 7 + 1 * 8, 6 + 7 * 8, 7 + 5 * 8,
- 0 + 2 * 8, 0 + 4 * 8, 0 + 5 * 8, 2 + 1 * 8,
- 1 + 6 * 8, 4 + 0 * 8, 2 + 6 * 8, 5 + 0 * 8,
- 3 + 6 * 8, 6 + 0 * 8, 4 + 6 * 8, 6 + 2 * 8,
- 5 + 7 * 8, 6 + 4 * 8, 7 + 2 * 8, 7 + 6 * 8,
- 1 + 0 * 8, 1 + 2 * 8, 0 + 6 * 8, 3 + 0 * 8,
- 1 + 7 * 8, 3 + 2 * 8, 2 + 7 * 8, 4 + 2 * 8,
- 3 + 7 * 8, 5 + 2 * 8, 4 + 7 * 8, 5 + 4 * 8,
- 6 + 3 * 8, 6 + 5 * 8, 7 + 3 * 8, 7 + 7 * 8,
-};
-
-// zigzag_scan8x8_cavlc[i] = zigzag_scan8x8[(i/4) + 16*(i%4)]
-static const uint8_t zigzag_scan8x8_cavlc[64] = {
- 0 + 0 * 8, 1 + 1 * 8, 1 + 2 * 8, 2 + 2 * 8,
- 4 + 1 * 8, 0 + 5 * 8, 3 + 3 * 8, 7 + 0 * 8,
- 3 + 4 * 8, 1 + 7 * 8, 5 + 3 * 8, 6 + 3 * 8,
- 2 + 7 * 8, 6 + 4 * 8, 5 + 6 * 8, 7 + 5 * 8,
- 1 + 0 * 8, 2 + 0 * 8, 0 + 3 * 8, 3 + 1 * 8,
- 3 + 2 * 8, 0 + 6 * 8, 4 + 2 * 8, 6 + 1 * 8,
- 2 + 5 * 8, 2 + 6 * 8, 6 + 2 * 8, 5 + 4 * 8,
- 3 + 7 * 8, 7 + 3 * 8, 4 + 7 * 8, 7 + 6 * 8,
- 0 + 1 * 8, 3 + 0 * 8, 0 + 4 * 8, 4 + 0 * 8,
- 2 + 3 * 8, 1 + 5 * 8, 5 + 1 * 8, 5 + 2 * 8,
- 1 + 6 * 8, 3 + 5 * 8, 7 + 1 * 8, 4 + 5 * 8,
- 4 + 6 * 8, 7 + 4 * 8, 5 + 7 * 8, 6 + 7 * 8,
- 0 + 2 * 8, 2 + 1 * 8, 1 + 3 * 8, 5 + 0 * 8,
- 1 + 4 * 8, 2 + 4 * 8, 6 + 0 * 8, 4 + 3 * 8,
- 0 + 7 * 8, 4 + 4 * 8, 7 + 2 * 8, 3 + 6 * 8,
- 5 + 5 * 8, 6 + 5 * 8, 6 + 6 * 8, 7 + 7 * 8,
-};
-
-static const uint8_t dequant4_coeff_init[6][3] = {
- { 10, 13, 16 },
- { 11, 14, 18 },
- { 13, 16, 20 },
- { 14, 18, 23 },
- { 16, 20, 25 },
- { 18, 23, 29 },
-};
-
-static const uint8_t dequant8_coeff_init_scan[16] = {
- 0, 3, 4, 3, 3, 1, 5, 1, 4, 5, 2, 5, 3, 1, 5, 1
-};
-
-static const uint8_t dequant8_coeff_init[6][6] = {
- { 20, 18, 32, 19, 25, 24 },
- { 22, 19, 35, 21, 28, 26 },
- { 26, 23, 42, 24, 33, 31 },
- { 28, 25, 45, 26, 35, 33 },
- { 32, 28, 51, 30, 40, 38 },
- { 36, 32, 58, 34, 46, 43 },
-};
-
-static const enum AVPixelFormat h264_hwaccel_pixfmt_list_420[] = {
-#if CONFIG_H264_DXVA2_HWACCEL
- AV_PIX_FMT_DXVA2_VLD,
-#endif
-#if CONFIG_H264_VAAPI_HWACCEL
- AV_PIX_FMT_VAAPI_VLD,
-#endif
-#if CONFIG_H264_VDA_HWACCEL
- AV_PIX_FMT_VDA_VLD,
-#endif
-#if CONFIG_H264_VDPAU_HWACCEL
- AV_PIX_FMT_VDPAU,
-#endif
- AV_PIX_FMT_YUV420P,
- AV_PIX_FMT_NONE
-};
-
-static const enum AVPixelFormat h264_hwaccel_pixfmt_list_jpeg_420[] = {
-#if CONFIG_H264_DXVA2_HWACCEL
- AV_PIX_FMT_DXVA2_VLD,
-#endif
-#if CONFIG_H264_VAAPI_HWACCEL
- AV_PIX_FMT_VAAPI_VLD,
-#endif
-#if CONFIG_H264_VDA_HWACCEL
- AV_PIX_FMT_VDA_VLD,
-#endif
-#if CONFIG_H264_VDPAU_HWACCEL
- AV_PIX_FMT_VDPAU,
-#endif
- AV_PIX_FMT_YUVJ420P,
- AV_PIX_FMT_NONE
-};
-
static void h264_er_decode_mb(void *opaque, int ref, int mv_dir, int mv_type,
int (*mv)[2][4][2],
int mb_x, int mb_y, int mb_intra, int mb_skipped)
{
H264Context *h = opaque;
+ H264SliceContext *sl = &h->slice_ctx[0];
- h->mb_x = mb_x;
- h->mb_y = mb_y;
- h->mb_xy = mb_x + mb_y * h->mb_stride;
- memset(h->non_zero_count_cache, 0, sizeof(h->non_zero_count_cache));
+ sl->mb_x = mb_x;
+ sl->mb_y = mb_y;
+ sl->mb_xy = mb_x + mb_y * h->mb_stride;
+ memset(sl->non_zero_count_cache, 0, sizeof(sl->non_zero_count_cache));
assert(ref >= 0);
/* FIXME: It is possible albeit uncommon that slice references
* differ between slices. We take the easy approach and ignore
* it for now. If this turns out to have any relevance in
* practice then correct remapping should be added. */
- if (ref >= h->ref_count[0])
+ if (ref >= sl->ref_count[0])
ref = 0;
- fill_rectangle(&h->cur_pic.ref_index[0][4 * h->mb_xy],
+ fill_rectangle(&h->cur_pic.ref_index[0][4 * sl->mb_xy],
2, 2, 2, ref, 1);
- fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref, 1);
- fill_rectangle(h->mv_cache[0][scan8[0]], 4, 4, 8,
+ fill_rectangle(&sl->ref_cache[0][scan8[0]], 4, 4, 8, ref, 1);
+ fill_rectangle(sl->mv_cache[0][scan8[0]], 4, 4, 8,
pack16to32((*mv)[0][0][0], (*mv)[0][0][1]), 4);
assert(!FRAME_MBAFF(h));
- ff_h264_hl_decode_mb(h);
+ ff_h264_hl_decode_mb(h, &h->slice_ctx[0]);
}
-void ff_h264_draw_horiz_band(H264Context *h, int y, int height)
+void ff_h264_draw_horiz_band(const H264Context *h, H264SliceContext *sl,
+ int y, int height)
{
AVCodecContext *avctx = h->avctx;
- Picture *cur = &h->cur_pic;
- Picture *last = h->ref_list[0][0].f.data[0] ? &h->ref_list[0][0] : NULL;
+ const AVFrame *src = h->cur_pic.f;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
int vshift = desc->log2_chroma_h;
const int field_pic = h->picture_structure != PICT_FRAME;
return;
if (avctx->draw_horiz_band) {
- AVFrame *src;
int offset[AV_NUM_DATA_POINTERS];
int i;
- if (cur->f.pict_type == AV_PICTURE_TYPE_B || h->low_delay ||
- (avctx->slice_flags & SLICE_FLAG_CODED_ORDER))
- src = &cur->f;
- else if (last)
- src = &last->f;
- else
- return;
-
offset[0] = y * src->linesize[0];
offset[1] =
offset[2] = (y >> vshift) * src->linesize[1];
}
}
-static void unref_picture(H264Context *h, Picture *pic)
-{
- int off = offsetof(Picture, tf) + sizeof(pic->tf);
- int i;
-
- if (!pic->f.buf[0])
- return;
-
- ff_thread_release_buffer(h->avctx, &pic->tf);
- av_buffer_unref(&pic->hwaccel_priv_buf);
-
- av_buffer_unref(&pic->qscale_table_buf);
- av_buffer_unref(&pic->mb_type_buf);
- for (i = 0; i < 2; i++) {
- av_buffer_unref(&pic->motion_val_buf[i]);
- av_buffer_unref(&pic->ref_index_buf[i]);
- }
-
- memset((uint8_t*)pic + off, 0, sizeof(*pic) - off);
-}
-
-static void release_unused_pictures(H264Context *h, int remove_current)
-{
- int i;
-
- /* release non reference frames */
- for (i = 0; i < MAX_PICTURE_COUNT; i++) {
- if (h->DPB[i].f.buf[0] && !h->DPB[i].reference &&
- (remove_current || &h->DPB[i] != h->cur_pic_ptr)) {
- unref_picture(h, &h->DPB[i]);
- }
- }
-}
-
-static int ref_picture(H264Context *h, Picture *dst, Picture *src)
-{
- int ret, i;
-
- av_assert0(!dst->f.buf[0]);
- av_assert0(src->f.buf[0]);
-
- src->tf.f = &src->f;
- dst->tf.f = &dst->f;
- ret = ff_thread_ref_frame(&dst->tf, &src->tf);
- if (ret < 0)
- goto fail;
-
- dst->qscale_table_buf = av_buffer_ref(src->qscale_table_buf);
- dst->mb_type_buf = av_buffer_ref(src->mb_type_buf);
- if (!dst->qscale_table_buf || !dst->mb_type_buf)
- goto fail;
- dst->qscale_table = src->qscale_table;
- dst->mb_type = src->mb_type;
-
- for (i = 0; i < 2; i++) {
- dst->motion_val_buf[i] = av_buffer_ref(src->motion_val_buf[i]);
- dst->ref_index_buf[i] = av_buffer_ref(src->ref_index_buf[i]);
- if (!dst->motion_val_buf[i] || !dst->ref_index_buf[i])
- goto fail;
- dst->motion_val[i] = src->motion_val[i];
- dst->ref_index[i] = src->ref_index[i];
- }
-
- if (src->hwaccel_picture_private) {
- dst->hwaccel_priv_buf = av_buffer_ref(src->hwaccel_priv_buf);
- if (!dst->hwaccel_priv_buf)
- goto fail;
- dst->hwaccel_picture_private = dst->hwaccel_priv_buf->data;
- }
-
- for (i = 0; i < 2; i++)
- dst->field_poc[i] = src->field_poc[i];
-
- memcpy(dst->ref_poc, src->ref_poc, sizeof(src->ref_poc));
- memcpy(dst->ref_count, src->ref_count, sizeof(src->ref_count));
-
- dst->poc = src->poc;
- dst->frame_num = src->frame_num;
- dst->mmco_reset = src->mmco_reset;
- dst->pic_id = src->pic_id;
- dst->long_ref = src->long_ref;
- dst->mbaff = src->mbaff;
- dst->field_picture = src->field_picture;
- dst->needs_realloc = src->needs_realloc;
- dst->reference = src->reference;
- dst->recovered = src->recovered;
-
- return 0;
-fail:
- unref_picture(h, dst);
- return ret;
-}
-
-static int alloc_scratch_buffers(H264Context *h, int linesize)
-{
- int alloc_size = FFALIGN(FFABS(linesize) + 32, 32);
-
- if (h->bipred_scratchpad)
- return 0;
-
- h->bipred_scratchpad = av_malloc(16 * 6 * alloc_size);
- // edge emu needs blocksize + filter length - 1
- // (= 21x21 for h264)
- h->edge_emu_buffer = av_mallocz(alloc_size * 2 * 21);
- h->me.scratchpad = av_mallocz(alloc_size * 2 * 16 * 2);
-
- if (!h->bipred_scratchpad || !h->edge_emu_buffer || !h->me.scratchpad) {
- av_freep(&h->bipred_scratchpad);
- av_freep(&h->edge_emu_buffer);
- av_freep(&h->me.scratchpad);
- return AVERROR(ENOMEM);
- }
-
- h->me.temp = h->me.scratchpad;
-
- return 0;
-}
-
-static int init_table_pools(H264Context *h)
-{
- const int big_mb_num = h->mb_stride * (h->mb_height + 1) + 1;
- const int mb_array_size = h->mb_stride * h->mb_height;
- const int b4_stride = h->mb_width * 4 + 1;
- const int b4_array_size = b4_stride * h->mb_height * 4;
-
- h->qscale_table_pool = av_buffer_pool_init(big_mb_num + h->mb_stride,
- av_buffer_allocz);
- h->mb_type_pool = av_buffer_pool_init((big_mb_num + h->mb_stride) *
- sizeof(uint32_t), av_buffer_allocz);
- h->motion_val_pool = av_buffer_pool_init(2 * (b4_array_size + 4) *
- sizeof(int16_t), av_buffer_allocz);
- h->ref_index_pool = av_buffer_pool_init(4 * mb_array_size, av_buffer_allocz);
-
- if (!h->qscale_table_pool || !h->mb_type_pool || !h->motion_val_pool ||
- !h->ref_index_pool) {
- av_buffer_pool_uninit(&h->qscale_table_pool);
- av_buffer_pool_uninit(&h->mb_type_pool);
- av_buffer_pool_uninit(&h->motion_val_pool);
- av_buffer_pool_uninit(&h->ref_index_pool);
- return AVERROR(ENOMEM);
- }
-
- return 0;
-}
-
-static int alloc_picture(H264Context *h, Picture *pic)
-{
- int i, ret = 0;
-
- av_assert0(!pic->f.data[0]);
-
- pic->tf.f = &pic->f;
- ret = ff_thread_get_buffer(h->avctx, &pic->tf, pic->reference ?
- AV_GET_BUFFER_FLAG_REF : 0);
- if (ret < 0)
- goto fail;
-
- h->linesize = pic->f.linesize[0];
- h->uvlinesize = pic->f.linesize[1];
-
- if (h->avctx->hwaccel) {
- const AVHWAccel *hwaccel = h->avctx->hwaccel;
- av_assert0(!pic->hwaccel_picture_private);
- if (hwaccel->priv_data_size) {
- pic->hwaccel_priv_buf = av_buffer_allocz(hwaccel->priv_data_size);
- if (!pic->hwaccel_priv_buf)
- return AVERROR(ENOMEM);
- pic->hwaccel_picture_private = pic->hwaccel_priv_buf->data;
- }
- }
-
- if (!h->qscale_table_pool) {
- ret = init_table_pools(h);
- if (ret < 0)
- goto fail;
- }
-
- pic->qscale_table_buf = av_buffer_pool_get(h->qscale_table_pool);
- pic->mb_type_buf = av_buffer_pool_get(h->mb_type_pool);
- if (!pic->qscale_table_buf || !pic->mb_type_buf)
- goto fail;
-
- pic->mb_type = (uint32_t*)pic->mb_type_buf->data + 2 * h->mb_stride + 1;
- pic->qscale_table = pic->qscale_table_buf->data + 2 * h->mb_stride + 1;
-
- for (i = 0; i < 2; i++) {
- pic->motion_val_buf[i] = av_buffer_pool_get(h->motion_val_pool);
- pic->ref_index_buf[i] = av_buffer_pool_get(h->ref_index_pool);
- if (!pic->motion_val_buf[i] || !pic->ref_index_buf[i])
- goto fail;
-
- pic->motion_val[i] = (int16_t (*)[2])pic->motion_val_buf[i]->data + 4;
- pic->ref_index[i] = pic->ref_index_buf[i]->data;
- }
-
- return 0;
-fail:
- unref_picture(h, pic);
- return (ret < 0) ? ret : AVERROR(ENOMEM);
-}
-
-static inline int pic_is_unused(H264Context *h, Picture *pic)
-{
- if (!pic->f.buf[0])
- return 1;
- if (pic->needs_realloc && !(pic->reference & DELAYED_PIC_REF))
- return 1;
- return 0;
-}
-
-static int find_unused_picture(H264Context *h)
-{
- int i;
-
- for (i = 0; i < MAX_PICTURE_COUNT; i++) {
- if (pic_is_unused(h, &h->DPB[i]))
- break;
- }
- if (i == MAX_PICTURE_COUNT)
- return AVERROR_INVALIDDATA;
-
- if (h->DPB[i].needs_realloc) {
- h->DPB[i].needs_realloc = 0;
- unref_picture(h, &h->DPB[i]);
- }
-
- return i;
-}
-
/**
* Check if the top & left blocks are available if needed and
* change the dc mode so it only uses the available blocks.
*/
-int ff_h264_check_intra4x4_pred_mode(H264Context *h)
+int ff_h264_check_intra4x4_pred_mode(const H264Context *h, H264SliceContext *sl)
{
static const int8_t top[12] = {
-1, 0, LEFT_DC_PRED, -1, -1, -1, -1, -1, 0
};
int i;
- if (!(h->top_samples_available & 0x8000)) {
+ if (!(sl->top_samples_available & 0x8000)) {
for (i = 0; i < 4; i++) {
- int status = top[h->intra4x4_pred_mode_cache[scan8[0] + i]];
+ int status = top[sl->intra4x4_pred_mode_cache[scan8[0] + i]];
if (status < 0) {
av_log(h->avctx, AV_LOG_ERROR,
"top block unavailable for requested intra4x4 mode %d at %d %d\n",
- status, h->mb_x, h->mb_y);
+ status, sl->mb_x, sl->mb_y);
return AVERROR_INVALIDDATA;
} else if (status) {
- h->intra4x4_pred_mode_cache[scan8[0] + i] = status;
+ sl->intra4x4_pred_mode_cache[scan8[0] + i] = status;
}
}
}
- if ((h->left_samples_available & 0x8888) != 0x8888) {
+ if ((sl->left_samples_available & 0x8888) != 0x8888) {
static const int mask[4] = { 0x8000, 0x2000, 0x80, 0x20 };
for (i = 0; i < 4; i++)
- if (!(h->left_samples_available & mask[i])) {
- int status = left[h->intra4x4_pred_mode_cache[scan8[0] + 8 * i]];
+ if (!(sl->left_samples_available & mask[i])) {
+ int status = left[sl->intra4x4_pred_mode_cache[scan8[0] + 8 * i]];
if (status < 0) {
av_log(h->avctx, AV_LOG_ERROR,
"left block unavailable for requested intra4x4 mode %d at %d %d\n",
- status, h->mb_x, h->mb_y);
+ status, sl->mb_x, sl->mb_y);
return AVERROR_INVALIDDATA;
} else if (status) {
- h->intra4x4_pred_mode_cache[scan8[0] + 8 * i] = status;
+ sl->intra4x4_pred_mode_cache[scan8[0] + 8 * i] = status;
}
}
}
* Check if the top & left blocks are available if needed and
* change the dc mode so it only uses the available blocks.
*/
-int ff_h264_check_intra_pred_mode(H264Context *h, int mode, int is_chroma)
+int ff_h264_check_intra_pred_mode(const H264Context *h, H264SliceContext *sl,
+ int mode, int is_chroma)
{
static const int8_t top[4] = { LEFT_DC_PRED8x8, 1, -1, -1 };
static const int8_t left[5] = { TOP_DC_PRED8x8, -1, 2, -1, DC_128_PRED8x8 };
if (mode > 3U) {
av_log(h->avctx, AV_LOG_ERROR,
"out of range intra chroma pred mode at %d %d\n",
- h->mb_x, h->mb_y);
+ sl->mb_x, sl->mb_y);
return AVERROR_INVALIDDATA;
}
- if (!(h->top_samples_available & 0x8000)) {
+ if (!(sl->top_samples_available & 0x8000)) {
mode = top[mode];
if (mode < 0) {
av_log(h->avctx, AV_LOG_ERROR,
"top block unavailable for requested intra mode at %d %d\n",
- h->mb_x, h->mb_y);
+ sl->mb_x, sl->mb_y);
return AVERROR_INVALIDDATA;
}
}
- if ((h->left_samples_available & 0x8080) != 0x8080) {
+ if ((sl->left_samples_available & 0x8080) != 0x8080) {
mode = left[mode];
- if (is_chroma && (h->left_samples_available & 0x8080)) {
+ if (is_chroma && (sl->left_samples_available & 0x8080)) {
// mad cow disease mode, aka MBAFF + constrained_intra_pred
mode = ALZHEIMER_DC_L0T_PRED8x8 +
- (!(h->left_samples_available & 0x8000)) +
+ (!(sl->left_samples_available & 0x8000)) +
2 * (mode == DC_128_PRED8x8);
}
if (mode < 0) {
av_log(h->avctx, AV_LOG_ERROR,
"left block unavailable for requested intra mode at %d %d\n",
- h->mb_x, h->mb_y);
+ sl->mb_x, sl->mb_y);
return AVERROR_INVALIDDATA;
}
}
return mode;
}
-const uint8_t *ff_h264_decode_nal(H264Context *h, const uint8_t *src,
+const uint8_t *ff_h264_decode_nal(H264Context *h, H264SliceContext *sl,
+ const uint8_t *src,
int *dst_length, int *consumed, int length)
{
int i, si, di;
uint8_t *dst;
- int bufidx;
// src[0]&0x80; // forbidden bit
h->nal_ref_idc = src[0] >> 5;
return src;
}
- // use second escape buffer for inter data
- bufidx = h->nal_unit_type == NAL_DPC ? 1 : 0;
- av_fast_malloc(&h->rbsp_buffer[bufidx], &h->rbsp_buffer_size[bufidx],
+ av_fast_malloc(&sl->rbsp_buffer, &sl->rbsp_buffer_size,
length + FF_INPUT_BUFFER_PADDING_SIZE);
- dst = h->rbsp_buffer[bufidx];
+ dst = sl->rbsp_buffer;
- if (dst == NULL)
+ if (!dst)
return NULL;
memcpy(dst, src, i);
int v = *src;
int r;
- tprintf(h->avctx, "rbsp trailing %X\n", v);
+ ff_tlog(h->avctx, "rbsp trailing %X\n", v);
for (r = 1; r < 9; r++) {
if (v & 1)
return 0;
}
-static inline int get_lowest_part_list_y(H264Context *h, Picture *pic, int n,
- int height, int y_offset, int list)
-{
- int raw_my = h->mv_cache[list][scan8[n]][1];
- int filter_height_up = (raw_my & 3) ? 2 : 0;
- int filter_height_down = (raw_my & 3) ? 3 : 0;
- int full_my = (raw_my >> 2) + y_offset;
- int top = full_my - filter_height_up;
- int bottom = full_my + filter_height_down + height;
-
- return FFMAX(abs(top), bottom);
-}
-
-static inline void get_lowest_part_y(H264Context *h, int refs[2][48], int n,
- int height, int y_offset, int list0,
- int list1, int *nrefs)
-{
- int my;
-
- y_offset += 16 * (h->mb_y >> MB_FIELD(h));
-
- if (list0) {
- int ref_n = h->ref_cache[0][scan8[n]];
- Picture *ref = &h->ref_list[0][ref_n];
-
- // Error resilience puts the current picture in the ref list.
- // Don't try to wait on these as it will cause a deadlock.
- // Fields can wait on each other, though.
- if (ref->tf.progress->data != h->cur_pic.tf.progress->data ||
- (ref->reference & 3) != h->picture_structure) {
- my = get_lowest_part_list_y(h, ref, n, height, y_offset, 0);
- if (refs[0][ref_n] < 0)
- nrefs[0] += 1;
- refs[0][ref_n] = FFMAX(refs[0][ref_n], my);
- }
- }
-
- if (list1) {
- int ref_n = h->ref_cache[1][scan8[n]];
- Picture *ref = &h->ref_list[1][ref_n];
-
- if (ref->tf.progress->data != h->cur_pic.tf.progress->data ||
- (ref->reference & 3) != h->picture_structure) {
- my = get_lowest_part_list_y(h, ref, n, height, y_offset, 1);
- if (refs[1][ref_n] < 0)
- nrefs[1] += 1;
- refs[1][ref_n] = FFMAX(refs[1][ref_n], my);
- }
- }
-}
-
-/**
- * Wait until all reference frames are available for MC operations.
- *
- * @param h the H264 context
- */
-static void await_references(H264Context *h)
-{
- const int mb_xy = h->mb_xy;
- const int mb_type = h->cur_pic.mb_type[mb_xy];
- int refs[2][48];
- int nrefs[2] = { 0 };
- int ref, list;
-
- memset(refs, -1, sizeof(refs));
-
- if (IS_16X16(mb_type)) {
- get_lowest_part_y(h, refs, 0, 16, 0,
- IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
- } else if (IS_16X8(mb_type)) {
- get_lowest_part_y(h, refs, 0, 8, 0,
- IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
- get_lowest_part_y(h, refs, 8, 8, 8,
- IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);
- } else if (IS_8X16(mb_type)) {
- get_lowest_part_y(h, refs, 0, 16, 0,
- IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
- get_lowest_part_y(h, refs, 4, 16, 0,
- IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);
- } else {
- int i;
-
- assert(IS_8X8(mb_type));
-
- for (i = 0; i < 4; i++) {
- const int sub_mb_type = h->sub_mb_type[i];
- const int n = 4 * i;
- int y_offset = (i & 2) << 2;
-
- if (IS_SUB_8X8(sub_mb_type)) {
- get_lowest_part_y(h, refs, n, 8, y_offset,
- IS_DIR(sub_mb_type, 0, 0),
- IS_DIR(sub_mb_type, 0, 1),
- nrefs);
- } else if (IS_SUB_8X4(sub_mb_type)) {
- get_lowest_part_y(h, refs, n, 4, y_offset,
- IS_DIR(sub_mb_type, 0, 0),
- IS_DIR(sub_mb_type, 0, 1),
- nrefs);
- get_lowest_part_y(h, refs, n + 2, 4, y_offset + 4,
- IS_DIR(sub_mb_type, 0, 0),
- IS_DIR(sub_mb_type, 0, 1),
- nrefs);
- } else if (IS_SUB_4X8(sub_mb_type)) {
- get_lowest_part_y(h, refs, n, 8, y_offset,
- IS_DIR(sub_mb_type, 0, 0),
- IS_DIR(sub_mb_type, 0, 1),
- nrefs);
- get_lowest_part_y(h, refs, n + 1, 8, y_offset,
- IS_DIR(sub_mb_type, 0, 0),
- IS_DIR(sub_mb_type, 0, 1),
- nrefs);
- } else {
- int j;
- assert(IS_SUB_4X4(sub_mb_type));
- for (j = 0; j < 4; j++) {
- int sub_y_offset = y_offset + 2 * (j & 2);
- get_lowest_part_y(h, refs, n + j, 4, sub_y_offset,
- IS_DIR(sub_mb_type, 0, 0),
- IS_DIR(sub_mb_type, 0, 1),
- nrefs);
- }
- }
- }
- }
-
- for (list = h->list_count - 1; list >= 0; list--)
- for (ref = 0; ref < 48 && nrefs[list]; ref++) {
- int row = refs[list][ref];
- if (row >= 0) {
- Picture *ref_pic = &h->ref_list[list][ref];
- int ref_field = ref_pic->reference - 1;
- int ref_field_picture = ref_pic->field_picture;
- int pic_height = 16 * h->mb_height >> ref_field_picture;
-
- row <<= MB_MBAFF(h);
- nrefs[list]--;
-
- if (!FIELD_PICTURE(h) && ref_field_picture) { // frame referencing two fields
- ff_thread_await_progress(&ref_pic->tf,
- FFMIN((row >> 1) - !(row & 1),
- pic_height - 1),
- 1);
- ff_thread_await_progress(&ref_pic->tf,
- FFMIN((row >> 1), pic_height - 1),
- 0);
- } else if (FIELD_PICTURE(h) && !ref_field_picture) { // field referencing one field of a frame
- ff_thread_await_progress(&ref_pic->tf,
- FFMIN(row * 2 + ref_field,
- pic_height - 1),
- 0);
- } else if (FIELD_PICTURE(h)) {
- ff_thread_await_progress(&ref_pic->tf,
- FFMIN(row, pic_height - 1),
- ref_field);
- } else {
- ff_thread_await_progress(&ref_pic->tf,
- FFMIN(row, pic_height - 1),
- 0);
- }
- }
- }
-}
-
-static av_always_inline void mc_dir_part(H264Context *h, Picture *pic,
- int n, int square, int height,
- int delta, int list,
- uint8_t *dest_y, uint8_t *dest_cb,
- uint8_t *dest_cr,
- int src_x_offset, int src_y_offset,
- qpel_mc_func *qpix_op,
- h264_chroma_mc_func chroma_op,
- int pixel_shift, int chroma_idc)
-{
- const int mx = h->mv_cache[list][scan8[n]][0] + src_x_offset * 8;
- int my = h->mv_cache[list][scan8[n]][1] + src_y_offset * 8;
- const int luma_xy = (mx & 3) + ((my & 3) << 2);
- ptrdiff_t offset = ((mx >> 2) << pixel_shift) + (my >> 2) * h->mb_linesize;
- uint8_t *src_y = pic->f.data[0] + offset;
- uint8_t *src_cb, *src_cr;
- int extra_width = 0;
- int extra_height = 0;
- int emu = 0;
- const int full_mx = mx >> 2;
- const int full_my = my >> 2;
- const int pic_width = 16 * h->mb_width;
- const int pic_height = 16 * h->mb_height >> MB_FIELD(h);
- int ysh;
-
- if (mx & 7)
- extra_width -= 3;
- if (my & 7)
- extra_height -= 3;
-
- if (full_mx < 0 - extra_width ||
- full_my < 0 - extra_height ||
- full_mx + 16 /*FIXME*/ > pic_width + extra_width ||
- full_my + 16 /*FIXME*/ > pic_height + extra_height) {
- h->vdsp.emulated_edge_mc(h->edge_emu_buffer,
- src_y - (2 << pixel_shift) - 2 * h->mb_linesize,
- h->mb_linesize, h->mb_linesize,
- 16 + 5, 16 + 5 /*FIXME*/, full_mx - 2,
- full_my - 2, pic_width, pic_height);
- src_y = h->edge_emu_buffer + (2 << pixel_shift) + 2 * h->mb_linesize;
- emu = 1;
- }
-
- qpix_op[luma_xy](dest_y, src_y, h->mb_linesize); // FIXME try variable height perhaps?
- if (!square)
- qpix_op[luma_xy](dest_y + delta, src_y + delta, h->mb_linesize);
-
- if (CONFIG_GRAY && h->flags & CODEC_FLAG_GRAY)
- return;
-
- if (chroma_idc == 3 /* yuv444 */) {
- src_cb = pic->f.data[1] + offset;
- if (emu) {
- h->vdsp.emulated_edge_mc(h->edge_emu_buffer,
- src_cb - (2 << pixel_shift) - 2 * h->mb_linesize,
- h->mb_linesize, h->mb_linesize,
- 16 + 5, 16 + 5 /*FIXME*/,
- full_mx - 2, full_my - 2,
- pic_width, pic_height);
- src_cb = h->edge_emu_buffer + (2 << pixel_shift) + 2 * h->mb_linesize;
- }
- qpix_op[luma_xy](dest_cb, src_cb, h->mb_linesize); // FIXME try variable height perhaps?
- if (!square)
- qpix_op[luma_xy](dest_cb + delta, src_cb + delta, h->mb_linesize);
-
- src_cr = pic->f.data[2] + offset;
- if (emu) {
- h->vdsp.emulated_edge_mc(h->edge_emu_buffer,
- src_cr - (2 << pixel_shift) - 2 * h->mb_linesize,
- h->mb_linesize, h->mb_linesize,
- 16 + 5, 16 + 5 /*FIXME*/,
- full_mx - 2, full_my - 2,
- pic_width, pic_height);
- src_cr = h->edge_emu_buffer + (2 << pixel_shift) + 2 * h->mb_linesize;
- }
- qpix_op[luma_xy](dest_cr, src_cr, h->mb_linesize); // FIXME try variable height perhaps?
- if (!square)
- qpix_op[luma_xy](dest_cr + delta, src_cr + delta, h->mb_linesize);
- return;
- }
-
- ysh = 3 - (chroma_idc == 2 /* yuv422 */);
- if (chroma_idc == 1 /* yuv420 */ && MB_FIELD(h)) {
- // chroma offset when predicting from a field of opposite parity
- my += 2 * ((h->mb_y & 1) - (pic->reference - 1));
- emu |= (my >> 3) < 0 || (my >> 3) + 8 >= (pic_height >> 1);
- }
-
- src_cb = pic->f.data[1] + ((mx >> 3) << pixel_shift) +
- (my >> ysh) * h->mb_uvlinesize;
- src_cr = pic->f.data[2] + ((mx >> 3) << pixel_shift) +
- (my >> ysh) * h->mb_uvlinesize;
-
- if (emu) {
- h->vdsp.emulated_edge_mc(h->edge_emu_buffer, src_cb,
- h->mb_uvlinesize, h->mb_uvlinesize,
- 9, 8 * chroma_idc + 1, (mx >> 3), (my >> ysh),
- pic_width >> 1, pic_height >> (chroma_idc == 1 /* yuv420 */));
- src_cb = h->edge_emu_buffer;
- }
- chroma_op(dest_cb, src_cb, h->mb_uvlinesize,
- height >> (chroma_idc == 1 /* yuv420 */),
- mx & 7, (my << (chroma_idc == 2 /* yuv422 */)) & 7);
-
- if (emu) {
- h->vdsp.emulated_edge_mc(h->edge_emu_buffer, src_cr,
- h->mb_uvlinesize, h->mb_uvlinesize,
- 9, 8 * chroma_idc + 1, (mx >> 3), (my >> ysh),
- pic_width >> 1, pic_height >> (chroma_idc == 1 /* yuv420 */));
- src_cr = h->edge_emu_buffer;
- }
- chroma_op(dest_cr, src_cr, h->mb_uvlinesize, height >> (chroma_idc == 1 /* yuv420 */),
- mx & 7, (my << (chroma_idc == 2 /* yuv422 */)) & 7);
-}
-
-static av_always_inline void mc_part_std(H264Context *h, int n, int square,
- int height, int delta,
- uint8_t *dest_y, uint8_t *dest_cb,
- uint8_t *dest_cr,
- int x_offset, int y_offset,
- qpel_mc_func *qpix_put,
- h264_chroma_mc_func chroma_put,
- qpel_mc_func *qpix_avg,
- h264_chroma_mc_func chroma_avg,
- int list0, int list1,
- int pixel_shift, int chroma_idc)
-{
- qpel_mc_func *qpix_op = qpix_put;
- h264_chroma_mc_func chroma_op = chroma_put;
-
- dest_y += (2 * x_offset << pixel_shift) + 2 * y_offset * h->mb_linesize;
- if (chroma_idc == 3 /* yuv444 */) {
- dest_cb += (2 * x_offset << pixel_shift) + 2 * y_offset * h->mb_linesize;
- dest_cr += (2 * x_offset << pixel_shift) + 2 * y_offset * h->mb_linesize;
- } else if (chroma_idc == 2 /* yuv422 */) {
- dest_cb += (x_offset << pixel_shift) + 2 * y_offset * h->mb_uvlinesize;
- dest_cr += (x_offset << pixel_shift) + 2 * y_offset * h->mb_uvlinesize;
- } else { /* yuv420 */
- dest_cb += (x_offset << pixel_shift) + y_offset * h->mb_uvlinesize;
- dest_cr += (x_offset << pixel_shift) + y_offset * h->mb_uvlinesize;
- }
- x_offset += 8 * h->mb_x;
- y_offset += 8 * (h->mb_y >> MB_FIELD(h));
-
- if (list0) {
- Picture *ref = &h->ref_list[0][h->ref_cache[0][scan8[n]]];
- mc_dir_part(h, ref, n, square, height, delta, 0,
- dest_y, dest_cb, dest_cr, x_offset, y_offset,
- qpix_op, chroma_op, pixel_shift, chroma_idc);
-
- qpix_op = qpix_avg;
- chroma_op = chroma_avg;
- }
-
- if (list1) {
- Picture *ref = &h->ref_list[1][h->ref_cache[1][scan8[n]]];
- mc_dir_part(h, ref, n, square, height, delta, 1,
- dest_y, dest_cb, dest_cr, x_offset, y_offset,
- qpix_op, chroma_op, pixel_shift, chroma_idc);
- }
-}
-
-static av_always_inline void mc_part_weighted(H264Context *h, int n, int square,
- int height, int delta,
- uint8_t *dest_y, uint8_t *dest_cb,
- uint8_t *dest_cr,
- int x_offset, int y_offset,
- qpel_mc_func *qpix_put,
- h264_chroma_mc_func chroma_put,
- h264_weight_func luma_weight_op,
- h264_weight_func chroma_weight_op,
- h264_biweight_func luma_weight_avg,
- h264_biweight_func chroma_weight_avg,
- int list0, int list1,
- int pixel_shift, int chroma_idc)
-{
- int chroma_height;
-
- dest_y += (2 * x_offset << pixel_shift) + 2 * y_offset * h->mb_linesize;
- if (chroma_idc == 3 /* yuv444 */) {
- chroma_height = height;
- chroma_weight_avg = luma_weight_avg;
- chroma_weight_op = luma_weight_op;
- dest_cb += (2 * x_offset << pixel_shift) + 2 * y_offset * h->mb_linesize;
- dest_cr += (2 * x_offset << pixel_shift) + 2 * y_offset * h->mb_linesize;
- } else if (chroma_idc == 2 /* yuv422 */) {
- chroma_height = height;
- dest_cb += (x_offset << pixel_shift) + 2 * y_offset * h->mb_uvlinesize;
- dest_cr += (x_offset << pixel_shift) + 2 * y_offset * h->mb_uvlinesize;
- } else { /* yuv420 */
- chroma_height = height >> 1;
- dest_cb += (x_offset << pixel_shift) + y_offset * h->mb_uvlinesize;
- dest_cr += (x_offset << pixel_shift) + y_offset * h->mb_uvlinesize;
- }
- x_offset += 8 * h->mb_x;
- y_offset += 8 * (h->mb_y >> MB_FIELD(h));
-
- if (list0 && list1) {
- /* don't optimize for luma-only case, since B-frames usually
- * use implicit weights => chroma too. */
- uint8_t *tmp_cb = h->bipred_scratchpad;
- uint8_t *tmp_cr = h->bipred_scratchpad + (16 << pixel_shift);
- uint8_t *tmp_y = h->bipred_scratchpad + 16 * h->mb_uvlinesize;
- int refn0 = h->ref_cache[0][scan8[n]];
- int refn1 = h->ref_cache[1][scan8[n]];
-
- mc_dir_part(h, &h->ref_list[0][refn0], n, square, height, delta, 0,
- dest_y, dest_cb, dest_cr,
- x_offset, y_offset, qpix_put, chroma_put,
- pixel_shift, chroma_idc);
- mc_dir_part(h, &h->ref_list[1][refn1], n, square, height, delta, 1,
- tmp_y, tmp_cb, tmp_cr,
- x_offset, y_offset, qpix_put, chroma_put,
- pixel_shift, chroma_idc);
-
- if (h->use_weight == 2) {
- int weight0 = h->implicit_weight[refn0][refn1][h->mb_y & 1];
- int weight1 = 64 - weight0;
- luma_weight_avg(dest_y, tmp_y, h->mb_linesize,
- height, 5, weight0, weight1, 0);
- chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize,
- chroma_height, 5, weight0, weight1, 0);
- chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize,
- chroma_height, 5, weight0, weight1, 0);
- } else {
- luma_weight_avg(dest_y, tmp_y, h->mb_linesize, height,
- h->luma_log2_weight_denom,
- h->luma_weight[refn0][0][0],
- h->luma_weight[refn1][1][0],
- h->luma_weight[refn0][0][1] +
- h->luma_weight[refn1][1][1]);
- chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, chroma_height,
- h->chroma_log2_weight_denom,
- h->chroma_weight[refn0][0][0][0],
- h->chroma_weight[refn1][1][0][0],
- h->chroma_weight[refn0][0][0][1] +
- h->chroma_weight[refn1][1][0][1]);
- chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, chroma_height,
- h->chroma_log2_weight_denom,
- h->chroma_weight[refn0][0][1][0],
- h->chroma_weight[refn1][1][1][0],
- h->chroma_weight[refn0][0][1][1] +
- h->chroma_weight[refn1][1][1][1]);
- }
- } else {
- int list = list1 ? 1 : 0;
- int refn = h->ref_cache[list][scan8[n]];
- Picture *ref = &h->ref_list[list][refn];
- mc_dir_part(h, ref, n, square, height, delta, list,
- dest_y, dest_cb, dest_cr, x_offset, y_offset,
- qpix_put, chroma_put, pixel_shift, chroma_idc);
-
- luma_weight_op(dest_y, h->mb_linesize, height,
- h->luma_log2_weight_denom,
- h->luma_weight[refn][list][0],
- h->luma_weight[refn][list][1]);
- if (h->use_weight_chroma) {
- chroma_weight_op(dest_cb, h->mb_uvlinesize, chroma_height,
- h->chroma_log2_weight_denom,
- h->chroma_weight[refn][list][0][0],
- h->chroma_weight[refn][list][0][1]);
- chroma_weight_op(dest_cr, h->mb_uvlinesize, chroma_height,
- h->chroma_log2_weight_denom,
- h->chroma_weight[refn][list][1][0],
- h->chroma_weight[refn][list][1][1]);
- }
- }
-}
-
-static av_always_inline void prefetch_motion(H264Context *h, int list,
- int pixel_shift, int chroma_idc)
-{
- /* fetch pixels for estimated mv 4 macroblocks ahead
- * optimized for 64byte cache lines */
- const int refn = h->ref_cache[list][scan8[0]];
- if (refn >= 0) {
- const int mx = (h->mv_cache[list][scan8[0]][0] >> 2) + 16 * h->mb_x + 8;
- const int my = (h->mv_cache[list][scan8[0]][1] >> 2) + 16 * h->mb_y;
- uint8_t **src = h->ref_list[list][refn].f.data;
- int off = (mx << pixel_shift) +
- (my + (h->mb_x & 3) * 4) * h->mb_linesize +
- (64 << pixel_shift);
- h->vdsp.prefetch(src[0] + off, h->linesize, 4);
- if (chroma_idc == 3 /* yuv444 */) {
- h->vdsp.prefetch(src[1] + off, h->linesize, 4);
- h->vdsp.prefetch(src[2] + off, h->linesize, 4);
- } else {
- off = ((mx >> 1) << pixel_shift) +
- ((my >> 1) + (h->mb_x & 7)) * h->uvlinesize +
- (64 << pixel_shift);
- h->vdsp.prefetch(src[1] + off, src[2] - src[1], 2);
- }
- }
-}
-
-static void free_tables(H264Context *h, int free_rbsp)
+void ff_h264_free_tables(H264Context *h)
{
int i;
- H264Context *hx;
av_freep(&h->intra4x4_pred_mode);
av_freep(&h->chroma_pred_mode_table);
av_buffer_pool_uninit(&h->motion_val_pool);
av_buffer_pool_uninit(&h->ref_index_pool);
- if (free_rbsp && h->DPB) {
- for (i = 0; i < MAX_PICTURE_COUNT; i++)
- unref_picture(h, &h->DPB[i]);
- av_freep(&h->DPB);
- } else if (h->DPB) {
- for (i = 0; i < MAX_PICTURE_COUNT; i++)
- h->DPB[i].needs_realloc = 1;
- }
-
- h->cur_pic_ptr = NULL;
-
- for (i = 0; i < MAX_THREADS; i++) {
- hx = h->thread_context[i];
- if (!hx)
- continue;
- av_freep(&hx->top_borders[1]);
- av_freep(&hx->top_borders[0]);
- av_freep(&hx->bipred_scratchpad);
- av_freep(&hx->edge_emu_buffer);
- av_freep(&hx->dc_val_base);
- av_freep(&hx->me.scratchpad);
- av_freep(&hx->er.mb_index2xy);
- av_freep(&hx->er.error_status_table);
- av_freep(&hx->er.er_temp_buffer);
- av_freep(&hx->er.mbintra_table);
- av_freep(&hx->er.mbskip_table);
-
- if (free_rbsp) {
- av_freep(&hx->rbsp_buffer[1]);
- av_freep(&hx->rbsp_buffer[0]);
- hx->rbsp_buffer_size[0] = 0;
- hx->rbsp_buffer_size[1] = 0;
- }
- if (i)
- av_freep(&h->thread_context[i]);
- }
-}
-
-static void init_dequant8_coeff_table(H264Context *h)
-{
- int i, j, q, x;
- const int max_qp = 51 + 6 * (h->sps.bit_depth_luma - 8);
-
- for (i = 0; i < 6; i++) {
- h->dequant8_coeff[i] = h->dequant8_buffer[i];
- for (j = 0; j < i; j++)
- if (!memcmp(h->pps.scaling_matrix8[j], h->pps.scaling_matrix8[i],
- 64 * sizeof(uint8_t))) {
- h->dequant8_coeff[i] = h->dequant8_buffer[j];
- break;
- }
- if (j < i)
- continue;
-
- for (q = 0; q < max_qp + 1; q++) {
- int shift = div6[q];
- int idx = rem6[q];
- for (x = 0; x < 64; x++)
- h->dequant8_coeff[i][q][(x >> 3) | ((x & 7) << 3)] =
- ((uint32_t)dequant8_coeff_init[idx][dequant8_coeff_init_scan[((x >> 1) & 12) | (x & 3)]] *
- h->pps.scaling_matrix8[i][x]) << shift;
- }
- }
-}
+ for (i = 0; i < h->nb_slice_ctx; i++) {
+ H264SliceContext *sl = &h->slice_ctx[i];
-static void init_dequant4_coeff_table(H264Context *h)
-{
- int i, j, q, x;
- const int max_qp = 51 + 6 * (h->sps.bit_depth_luma - 8);
- for (i = 0; i < 6; i++) {
- h->dequant4_coeff[i] = h->dequant4_buffer[i];
- for (j = 0; j < i; j++)
- if (!memcmp(h->pps.scaling_matrix4[j], h->pps.scaling_matrix4[i],
- 16 * sizeof(uint8_t))) {
- h->dequant4_coeff[i] = h->dequant4_buffer[j];
- break;
- }
- if (j < i)
- continue;
+ av_freep(&sl->dc_val_base);
+ av_freep(&sl->er.mb_index2xy);
+ av_freep(&sl->er.error_status_table);
+ av_freep(&sl->er.er_temp_buffer);
- for (q = 0; q < max_qp + 1; q++) {
- int shift = div6[q] + 2;
- int idx = rem6[q];
- for (x = 0; x < 16; x++)
- h->dequant4_coeff[i][q][(x >> 2) | ((x << 2) & 0xF)] =
- ((uint32_t)dequant4_coeff_init[idx][(x & 1) + ((x >> 2) & 1)] *
- h->pps.scaling_matrix4[i][x]) << shift;
- }
- }
-}
+ av_freep(&sl->bipred_scratchpad);
+ av_freep(&sl->edge_emu_buffer);
+ av_freep(&sl->top_borders[0]);
+ av_freep(&sl->top_borders[1]);
-static void init_dequant_tables(H264Context *h)
-{
- int i, x;
- init_dequant4_coeff_table(h);
- if (h->pps.transform_8x8_mode)
- init_dequant8_coeff_table(h);
- if (h->sps.transform_bypass) {
- for (i = 0; i < 6; i++)
- for (x = 0; x < 16; x++)
- h->dequant4_coeff[i][0][x] = 1 << 6;
- if (h->pps.transform_8x8_mode)
- for (i = 0; i < 6; i++)
- for (x = 0; x < 64; x++)
- h->dequant8_coeff[i][0][x] = 1 << 6;
+ sl->bipred_scratchpad_allocated = 0;
+ sl->edge_emu_buffer_allocated = 0;
+ sl->top_borders_allocated[0] = 0;
+ sl->top_borders_allocated[1] = 0;
}
}
{
const int big_mb_num = h->mb_stride * (h->mb_height + 1);
const int row_mb_num = h->mb_stride * 2 * h->avctx->thread_count;
- int x, y, i;
+ int x, y;
FF_ALLOCZ_OR_GOTO(h->avctx, h->intra4x4_pred_mode,
row_mb_num * 8 * sizeof(uint8_t), fail)
+ h->slice_ctx[0].intra4x4_pred_mode = h->intra4x4_pred_mode;
+
FF_ALLOCZ_OR_GOTO(h->avctx, h->non_zero_count,
big_mb_num * 48 * sizeof(uint8_t), fail)
FF_ALLOCZ_OR_GOTO(h->avctx, h->slice_table_base,
16 * row_mb_num * sizeof(uint8_t), fail);
FF_ALLOCZ_OR_GOTO(h->avctx, h->mvd_table[1],
16 * row_mb_num * sizeof(uint8_t), fail);
+ h->slice_ctx[0].mvd_table[0] = h->mvd_table[0];
+ h->slice_ctx[0].mvd_table[1] = h->mvd_table[1];
+
FF_ALLOCZ_OR_GOTO(h->avctx, h->direct_table,
4 * big_mb_num * sizeof(uint8_t), fail);
FF_ALLOCZ_OR_GOTO(h->avctx, h->list_counts,
}
if (!h->dequant4_coeff[0])
- init_dequant_tables(h);
-
- if (!h->DPB) {
- h->DPB = av_mallocz_array(MAX_PICTURE_COUNT, sizeof(*h->DPB));
- if (!h->DPB)
- return AVERROR(ENOMEM);
- for (i = 0; i < MAX_PICTURE_COUNT; i++)
- av_frame_unref(&h->DPB[i].f);
- av_frame_unref(&h->cur_pic.f);
- }
+ h264_init_dequant_tables(h);
return 0;
fail:
- free_tables(h, 1);
+ ff_h264_free_tables(h);
return AVERROR(ENOMEM);
}
-/**
- * Mimic alloc_tables(), but for every context thread.
- */
-static void clone_tables(H264Context *dst, H264Context *src, int i)
-{
- dst->intra4x4_pred_mode = src->intra4x4_pred_mode + i * 8 * 2 * src->mb_stride;
- dst->non_zero_count = src->non_zero_count;
- dst->slice_table = src->slice_table;
- dst->cbp_table = src->cbp_table;
- dst->mb2b_xy = src->mb2b_xy;
- dst->mb2br_xy = src->mb2br_xy;
- dst->chroma_pred_mode_table = src->chroma_pred_mode_table;
- dst->mvd_table[0] = src->mvd_table[0] + i * 8 * 2 * src->mb_stride;
- dst->mvd_table[1] = src->mvd_table[1] + i * 8 * 2 * src->mb_stride;
- dst->direct_table = src->direct_table;
- dst->list_counts = src->list_counts;
- dst->DPB = src->DPB;
- dst->cur_pic_ptr = src->cur_pic_ptr;
- dst->cur_pic = src->cur_pic;
- dst->bipred_scratchpad = NULL;
- dst->edge_emu_buffer = NULL;
- dst->me.scratchpad = NULL;
- ff_h264_pred_init(&dst->hpc, src->avctx->codec_id, src->sps.bit_depth_luma,
- src->sps.chroma_format_idc);
-}
-
/**
* Init context
* Allocate buffers which are not shared amongst multiple threads.
*/
-static int context_init(H264Context *h)
+int ff_h264_slice_context_init(H264Context *h, H264SliceContext *sl)
{
- ERContext *er = &h->er;
+ ERContext *er = &sl->er;
int mb_array_size = h->mb_height * h->mb_stride;
int y_size = (2 * h->mb_width + 1) * (2 * h->mb_height + 1);
int c_size = h->mb_stride * (h->mb_height + 1);
int yc_size = y_size + 2 * c_size;
int x, y, i;
- FF_ALLOCZ_OR_GOTO(h->avctx, h->top_borders[0],
- h->mb_width * 16 * 3 * sizeof(uint8_t) * 2, fail)
- FF_ALLOCZ_OR_GOTO(h->avctx, h->top_borders[1],
- h->mb_width * 16 * 3 * sizeof(uint8_t) * 2, fail)
-
- h->ref_cache[0][scan8[5] + 1] =
- h->ref_cache[0][scan8[7] + 1] =
- h->ref_cache[0][scan8[13] + 1] =
- h->ref_cache[1][scan8[5] + 1] =
- h->ref_cache[1][scan8[7] + 1] =
- h->ref_cache[1][scan8[13] + 1] = PART_NOT_AVAILABLE;
+ sl->ref_cache[0][scan8[5] + 1] =
+ sl->ref_cache[0][scan8[7] + 1] =
+ sl->ref_cache[0][scan8[13] + 1] =
+ sl->ref_cache[1][scan8[5] + 1] =
+ sl->ref_cache[1][scan8[7] + 1] =
+ sl->ref_cache[1][scan8[13] + 1] = PART_NOT_AVAILABLE;
if (CONFIG_ERROR_RESILIENCE) {
/* init ER */
er->avctx = h->avctx;
- er->dsp = &h->dsp;
er->decode_mb = h264_er_decode_mb;
er->opaque = h;
er->quarter_sample = 1;
er->mb_stride = h->mb_stride;
er->b8_stride = h->mb_width * 2 + 1;
- FF_ALLOCZ_OR_GOTO(h->avctx, er->mb_index2xy, (h->mb_num + 1) * sizeof(int),
- fail); // error ressilience code looks cleaner with this
+ // error resilience code looks cleaner with this
+ FF_ALLOCZ_OR_GOTO(h->avctx, er->mb_index2xy,
+ (h->mb_num + 1) * sizeof(int), fail);
+
for (y = 0; y < h->mb_height; y++)
for (x = 0; x < h->mb_width; x++)
er->mb_index2xy[x + y * h->mb_width] = x + y * h->mb_stride;
FF_ALLOCZ_OR_GOTO(h->avctx, er->error_status_table,
mb_array_size * sizeof(uint8_t), fail);
- FF_ALLOC_OR_GOTO(h->avctx, er->mbintra_table, mb_array_size, fail);
- memset(er->mbintra_table, 1, mb_array_size);
+ FF_ALLOC_OR_GOTO(h->avctx, er->er_temp_buffer,
+ h->mb_height * h->mb_stride, fail);
- FF_ALLOCZ_OR_GOTO(h->avctx, er->mbskip_table, mb_array_size + 2, fail);
-
- FF_ALLOC_OR_GOTO(h->avctx, er->er_temp_buffer, h->mb_height * h->mb_stride,
- fail);
-
- FF_ALLOCZ_OR_GOTO(h->avctx, h->dc_val_base, yc_size * sizeof(int16_t), fail);
- er->dc_val[0] = h->dc_val_base + h->mb_width * 2 + 2;
- er->dc_val[1] = h->dc_val_base + y_size + h->mb_stride + 1;
+ FF_ALLOCZ_OR_GOTO(h->avctx, sl->dc_val_base,
+ yc_size * sizeof(int16_t), fail);
+ er->dc_val[0] = sl->dc_val_base + h->mb_width * 2 + 2;
+ er->dc_val[1] = sl->dc_val_base + y_size + h->mb_stride + 1;
er->dc_val[2] = er->dc_val[1] + c_size;
for (i = 0; i < yc_size; i++)
- h->dc_val_base[i] = 1024;
+ sl->dc_val_base[i] = 1024;
}
return 0;
fail:
- return AVERROR(ENOMEM); // free_tables will clean up for us
+ return AVERROR(ENOMEM); // ff_h264_free_tables will clean up for us
}
static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size,
h->is_avc = 1;
if (avctx->extradata_size < 7) {
- av_log(avctx, AV_LOG_ERROR, "avcC too short\n");
+ av_log(avctx, AV_LOG_ERROR,
+ "avcC %d too short\n", avctx->extradata_size);
return AVERROR_INVALIDDATA;
}
/* sps and pps in the avcC always have length coded with 2 bytes,
}
p += nalsize;
}
- // Now store right nal length size, that will be used to parse all other nals
+ // Store right nal length size that will be used to parse all other nals
h->nal_length_size = (avctx->extradata[4] & 0x03) + 1;
} else {
h->is_avc = 0;
return 0;
}
-av_cold int ff_h264_decode_init(AVCodecContext *avctx)
+static int h264_init_context(AVCodecContext *avctx, H264Context *h)
{
- H264Context *h = avctx->priv_data;
int i;
- int ret;
- h->avctx = avctx;
+ h->avctx = avctx;
+ h->dequant_coeff_pps = -1;
- h->bit_depth_luma = 8;
- h->chroma_format_idc = 1;
+ h->picture_structure = PICT_FRAME;
+ h->slice_context_count = 1;
+ h->workaround_bugs = avctx->workaround_bugs;
+ h->flags = avctx->flags;
+ h->prev_poc_msb = 1 << 16;
+ h->x264_build = -1;
+ h->recovery_frame = -1;
+ h->frame_recovered = 0;
- ff_h264dsp_init(&h->h264dsp, 8, 1);
- ff_h264chroma_init(&h->h264chroma, h->sps.bit_depth_chroma);
- ff_h264qpel_init(&h->h264qpel, 8);
- ff_h264_pred_init(&h->hpc, h->avctx->codec_id, 8, 1);
-
- h->dequant_coeff_pps = -1;
+ h->next_outputed_poc = INT_MIN;
+ for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++)
+ h->last_pocs[i] = INT_MIN;
- /* needed so that IDCT permutation is known early */
- if (CONFIG_ERROR_RESILIENCE)
- ff_dsputil_init(&h->dsp, h->avctx);
- ff_videodsp_init(&h->vdsp, 8);
+ ff_h264_reset_sei(h);
- memset(h->pps.scaling_matrix4, 16, 6 * 16 * sizeof(uint8_t));
- memset(h->pps.scaling_matrix8, 16, 2 * 64 * sizeof(uint8_t));
+ avctx->chroma_sample_location = AVCHROMA_LOC_LEFT;
- h->picture_structure = PICT_FRAME;
- h->slice_context_count = 1;
- h->workaround_bugs = avctx->workaround_bugs;
- h->flags = avctx->flags;
+ h->nb_slice_ctx = (avctx->active_thread_type & FF_THREAD_SLICE) ? H264_MAX_THREADS : 1;
+ h->slice_ctx = av_mallocz_array(h->nb_slice_ctx, sizeof(*h->slice_ctx));
+ if (!h->slice_ctx) {
+ h->nb_slice_ctx = 0;
+ return AVERROR(ENOMEM);
+ }
- /* set defaults */
- // s->decode_mb = ff_h263_decode_mb;
- if (!avctx->has_b_frames)
- h->low_delay = 1;
+ for (i = 0; i < H264_MAX_PICTURE_COUNT; i++) {
+ h->DPB[i].f = av_frame_alloc();
+ if (!h->DPB[i].f)
+ return AVERROR(ENOMEM);
+ }
- avctx->chroma_sample_location = AVCHROMA_LOC_LEFT;
+ h->cur_pic.f = av_frame_alloc();
+ if (!h->cur_pic.f)
+ return AVERROR(ENOMEM);
- ff_h264_decode_init_vlc();
+ for (i = 0; i < h->nb_slice_ctx; i++)
+ h->slice_ctx[i].h264 = h;
- ff_init_cabac_states();
+ return 0;
+}
- h->pixel_shift = 0;
- h->sps.bit_depth_luma = avctx->bits_per_raw_sample = 8;
+av_cold int ff_h264_decode_init(AVCodecContext *avctx)
+{
+ H264Context *h = avctx->priv_data;
+ int ret;
+
+ ret = h264_init_context(avctx, h);
+ if (ret < 0)
+ return ret;
+
+ /* set defaults */
+ if (!avctx->has_b_frames)
+ h->low_delay = 1;
+
+ ff_h264_decode_init_vlc();
+
+ ff_init_cabac_states();
- h->thread_context[0] = h;
- h->outputed_poc = h->next_outputed_poc = INT_MIN;
- for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++)
- h->last_pocs[i] = INT_MIN;
- h->prev_poc_msb = 1 << 16;
- h->x264_build = -1;
- ff_h264_reset_sei(h);
- h->recovery_frame = -1;
- h->frame_recovered = 0;
if (avctx->codec_id == AV_CODEC_ID_H264) {
if (avctx->ticks_per_frame == 1)
- h->avctx->time_base.den *= 2;
+ h->avctx->framerate.num *= 2;
avctx->ticks_per_frame = 2;
}
if (avctx->extradata_size > 0 && avctx->extradata) {
ret = ff_h264_decode_extradata(h);
- if (ret < 0)
+ if (ret < 0) {
+ ff_h264_free_context(h);
return ret;
+ }
}
if (h->sps.bitstream_restriction_flag &&
avctx->internal->allocate_progress = 1;
- return 0;
-}
-
-#define IN_RANGE(a, b, size) (((a) >= (b)) && ((a) < ((b) + (size))))
-#undef REBASE_PICTURE
-#define REBASE_PICTURE(pic, new_ctx, old_ctx) \
- ((pic && pic >= old_ctx->DPB && \
- pic < old_ctx->DPB + MAX_PICTURE_COUNT) ? \
- &new_ctx->DPB[pic - old_ctx->DPB] : NULL)
-
-static void copy_picture_range(Picture **to, Picture **from, int count,
- H264Context *new_base,
- H264Context *old_base)
-{
- int i;
-
- for (i = 0; i < count; i++) {
- assert((IN_RANGE(from[i], old_base, sizeof(*old_base)) ||
- IN_RANGE(from[i], old_base->DPB,
- sizeof(Picture) * MAX_PICTURE_COUNT) ||
- !from[i]));
- to[i] = REBASE_PICTURE(from[i], new_base, old_base);
- }
-}
-
-static int copy_parameter_set(void **to, void **from, int count, int size)
-{
- int i;
-
- for (i = 0; i < count; i++) {
- if (to[i] && !from[i]) {
- av_freep(&to[i]);
- } else if (from[i] && !to[i]) {
- to[i] = av_malloc(size);
- if (!to[i])
- return AVERROR(ENOMEM);
- }
-
- if (from[i])
- memcpy(to[i], from[i], size);
+ if (h->enable_er) {
+ av_log(avctx, AV_LOG_WARNING,
+ "Error resilience is enabled. It is unsafe and unsupported and may crash. "
+ "Use it at your own risk\n");
}
return 0;
static int decode_init_thread_copy(AVCodecContext *avctx)
{
H264Context *h = avctx->priv_data;
+ int ret;
if (!avctx->internal->is_copy)
return 0;
- memset(h->sps_buffers, 0, sizeof(h->sps_buffers));
- memset(h->pps_buffers, 0, sizeof(h->pps_buffers));
-
- h->context_initialized = 0;
-
- return 0;
-}
-
-#define copy_fields(to, from, start_field, end_field) \
- memcpy(&to->start_field, &from->start_field, \
- (char *)&to->end_field - (char *)&to->start_field)
-
-static int h264_slice_header_init(H264Context *, int);
-
-static int h264_set_parameter_from_sps(H264Context *h);
-
-static int decode_update_thread_context(AVCodecContext *dst,
- const AVCodecContext *src)
-{
- H264Context *h = dst->priv_data, *h1 = src->priv_data;
- int inited = h->context_initialized, err = 0;
- int context_reinitialized = 0;
- int i, ret;
-
- if (dst == src || !h1->context_initialized)
- return 0;
-
- if (inited &&
- (h->width != h1->width ||
- h->height != h1->height ||
- h->mb_width != h1->mb_width ||
- h->mb_height != h1->mb_height ||
- h->sps.bit_depth_luma != h1->sps.bit_depth_luma ||
- h->sps.chroma_format_idc != h1->sps.chroma_format_idc ||
- h->sps.colorspace != h1->sps.colorspace)) {
-
- /* set bits_per_raw_sample to the previous value. the check for changed
- * bit depth in h264_set_parameter_from_sps() uses it and sets it to
- * the current value */
- h->avctx->bits_per_raw_sample = h->sps.bit_depth_luma;
-
- av_freep(&h->bipred_scratchpad);
-
- h->width = h1->width;
- h->height = h1->height;
- h->mb_height = h1->mb_height;
- h->mb_width = h1->mb_width;
- h->mb_num = h1->mb_num;
- h->mb_stride = h1->mb_stride;
- h->b_stride = h1->b_stride;
-
- if ((err = h264_slice_header_init(h, 1)) < 0) {
- av_log(h->avctx, AV_LOG_ERROR, "h264_slice_header_init() failed");
- return err;
- }
- context_reinitialized = 1;
-
- /* update linesize on resize. The decoder doesn't
- * necessarily call h264_frame_start in the new thread */
- h->linesize = h1->linesize;
- h->uvlinesize = h1->uvlinesize;
-
- /* copy block_offset since frame_start may not be called */
- memcpy(h->block_offset, h1->block_offset, sizeof(h->block_offset));
- }
-
- if (!inited) {
- for (i = 0; i < MAX_SPS_COUNT; i++)
- av_freep(h->sps_buffers + i);
-
- for (i = 0; i < MAX_PPS_COUNT; i++)
- av_freep(h->pps_buffers + i);
-
- memcpy(h, h1, sizeof(*h1));
- memset(h->sps_buffers, 0, sizeof(h->sps_buffers));
- memset(h->pps_buffers, 0, sizeof(h->pps_buffers));
- memset(&h->er, 0, sizeof(h->er));
- memset(&h->me, 0, sizeof(h->me));
- memset(&h->mb, 0, sizeof(h->mb));
- memset(&h->mb_luma_dc, 0, sizeof(h->mb_luma_dc));
- memset(&h->mb_padding, 0, sizeof(h->mb_padding));
- h->context_initialized = 0;
-
- memset(&h->cur_pic, 0, sizeof(h->cur_pic));
- av_frame_unref(&h->cur_pic.f);
- h->cur_pic.tf.f = &h->cur_pic.f;
-
- h->avctx = dst;
- h->DPB = NULL;
- h->qscale_table_pool = NULL;
- h->mb_type_pool = NULL;
- h->ref_index_pool = NULL;
- h->motion_val_pool = NULL;
-
- ret = ff_h264_alloc_tables(h);
- if (ret < 0) {
- av_log(dst, AV_LOG_ERROR, "Could not allocate memory for h264\n");
- return ret;
- }
- ret = context_init(h);
- if (ret < 0) {
- av_log(dst, AV_LOG_ERROR, "context_init() failed.\n");
- return ret;
- }
-
- for (i = 0; i < 2; i++) {
- h->rbsp_buffer[i] = NULL;
- h->rbsp_buffer_size[i] = 0;
- }
- h->bipred_scratchpad = NULL;
- h->edge_emu_buffer = NULL;
-
- h->thread_context[0] = h;
-
- h->context_initialized = 1;
- }
-
- h->avctx->coded_height = h1->avctx->coded_height;
- h->avctx->coded_width = h1->avctx->coded_width;
- h->avctx->width = h1->avctx->width;
- h->avctx->height = h1->avctx->height;
- h->coded_picture_number = h1->coded_picture_number;
- h->first_field = h1->first_field;
- h->picture_structure = h1->picture_structure;
- h->qscale = h1->qscale;
- h->droppable = h1->droppable;
- h->data_partitioning = h1->data_partitioning;
- h->low_delay = h1->low_delay;
-
- for (i = 0; i < MAX_PICTURE_COUNT; i++) {
- unref_picture(h, &h->DPB[i]);
- if (h1->DPB[i].f.buf[0] &&
- (ret = ref_picture(h, &h->DPB[i], &h1->DPB[i])) < 0)
- return ret;
- }
-
- h->cur_pic_ptr = REBASE_PICTURE(h1->cur_pic_ptr, h, h1);
- unref_picture(h, &h->cur_pic);
- if ((ret = ref_picture(h, &h->cur_pic, &h1->cur_pic)) < 0)
- return ret;
-
- h->workaround_bugs = h1->workaround_bugs;
- h->low_delay = h1->low_delay;
- h->droppable = h1->droppable;
-
- /* frame_start may not be called for the next thread (if it's decoding
- * a bottom field) so this has to be allocated here */
- err = alloc_scratch_buffers(h, h1->linesize);
- if (err < 0)
- return err;
-
- // extradata/NAL handling
- h->is_avc = h1->is_avc;
-
- // SPS/PPS
- if ((ret = copy_parameter_set((void **)h->sps_buffers,
- (void **)h1->sps_buffers,
- MAX_SPS_COUNT, sizeof(SPS))) < 0)
- return ret;
- h->sps = h1->sps;
- if ((ret = copy_parameter_set((void **)h->pps_buffers,
- (void **)h1->pps_buffers,
- MAX_PPS_COUNT, sizeof(PPS))) < 0)
- return ret;
- h->pps = h1->pps;
-
- // Dequantization matrices
- // FIXME these are big - can they be only copied when PPS changes?
- copy_fields(h, h1, dequant4_buffer, dequant4_coeff);
-
- for (i = 0; i < 6; i++)
- h->dequant4_coeff[i] = h->dequant4_buffer[0] +
- (h1->dequant4_coeff[i] - h1->dequant4_buffer[0]);
-
- for (i = 0; i < 6; i++)
- h->dequant8_coeff[i] = h->dequant8_buffer[0] +
- (h1->dequant8_coeff[i] - h1->dequant8_buffer[0]);
-
- h->dequant_coeff_pps = h1->dequant_coeff_pps;
-
- // POC timing
- copy_fields(h, h1, poc_lsb, redundant_pic_count);
-
- // reference lists
- copy_fields(h, h1, short_ref, cabac_init_idc);
-
- copy_picture_range(h->short_ref, h1->short_ref, 32, h, h1);
- copy_picture_range(h->long_ref, h1->long_ref, 32, h, h1);
- copy_picture_range(h->delayed_pic, h1->delayed_pic,
- MAX_DELAYED_PIC_COUNT + 2, h, h1);
-
- h->last_slice_type = h1->last_slice_type;
-
- if (context_reinitialized)
- h264_set_parameter_from_sps(h);
-
- if (!h->cur_pic_ptr)
- return 0;
-
- if (!h->droppable) {
- err = ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index);
- h->prev_poc_msb = h->poc_msb;
- h->prev_poc_lsb = h->poc_lsb;
- }
- h->prev_frame_num_offset = h->frame_num_offset;
- h->prev_frame_num = h->frame_num;
- h->outputed_poc = h->next_outputed_poc;
-
- h->recovery_frame = h1->recovery_frame;
- h->frame_recovered = h1->frame_recovered;
-
- return err;
-}
-
-static int h264_frame_start(H264Context *h)
-{
- Picture *pic;
- int i, ret;
- const int pixel_shift = h->pixel_shift;
-
- release_unused_pictures(h, 1);
- h->cur_pic_ptr = NULL;
- i = find_unused_picture(h);
- if (i < 0) {
- av_log(h->avctx, AV_LOG_ERROR, "no frame buffer available\n");
- return i;
- }
- pic = &h->DPB[i];
-
- pic->reference = h->droppable ? 0 : h->picture_structure;
- pic->f.coded_picture_number = h->coded_picture_number++;
- pic->field_picture = h->picture_structure != PICT_FRAME;
- /*
- * Zero key_frame here; IDR markings per slice in frame or fields are ORed
- * in later.
- * See decode_nal_units().
- */
- pic->f.key_frame = 0;
- pic->mmco_reset = 0;
- pic->recovered = 0;
-
- if ((ret = alloc_picture(h, pic)) < 0)
- return ret;
+ memset(h, 0, sizeof(*h));
- h->cur_pic_ptr = pic;
- unref_picture(h, &h->cur_pic);
- if ((ret = ref_picture(h, &h->cur_pic, h->cur_pic_ptr)) < 0)
+ ret = h264_init_context(avctx, h);
+ if (ret < 0)
return ret;
- if (CONFIG_ERROR_RESILIENCE)
- ff_er_frame_start(&h->er);
-
- assert(h->linesize && h->uvlinesize);
-
- for (i = 0; i < 16; i++) {
- h->block_offset[i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 4 * h->linesize * ((scan8[i] - scan8[0]) >> 3);
- h->block_offset[48 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 8 * h->linesize * ((scan8[i] - scan8[0]) >> 3);
- }
- for (i = 0; i < 16; i++) {
- h->block_offset[16 + i] =
- h->block_offset[32 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 4 * h->uvlinesize * ((scan8[i] - scan8[0]) >> 3);
- h->block_offset[48 + 16 + i] =
- h->block_offset[48 + 32 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 8 * h->uvlinesize * ((scan8[i] - scan8[0]) >> 3);
- }
-
- /* can't be in alloc_tables because linesize isn't known there.
- * FIXME: redo bipred weight to not require extra buffer? */
- for (i = 0; i < h->slice_context_count; i++)
- if (h->thread_context[i]) {
- ret = alloc_scratch_buffers(h->thread_context[i], h->linesize);
- if (ret < 0)
- return ret;
- }
-
- /* Some macroblocks can be accessed before they're available in case
- * of lost slices, MBAFF or threading. */
- memset(h->slice_table, -1,
- (h->mb_height * h->mb_stride - 1) * sizeof(*h->slice_table));
-
- // s->decode = (s->flags & CODEC_FLAG_PSNR) || !s->encoding ||
- // s->current_picture.f.reference /* || h->contains_intra */ || 1;
-
- /* We mark the current picture as non-reference after allocating it, so
- * that if we break out due to an error it can be released automatically
- * in the next ff_MPV_frame_start().
- */
- h->cur_pic_ptr->reference = 0;
-
- h->cur_pic_ptr->field_poc[0] = h->cur_pic_ptr->field_poc[1] = INT_MAX;
-
- h->next_output_pic = NULL;
-
- assert(h->cur_pic_ptr->long_ref == 0);
+ h->context_initialized = 0;
return 0;
}
*/
static void decode_postinit(H264Context *h, int setup_finished)
{
- Picture *out = h->cur_pic_ptr;
- Picture *cur = h->cur_pic_ptr;
+ H264Picture *out = h->cur_pic_ptr;
+ H264Picture *cur = h->cur_pic_ptr;
int i, pics, out_of_order, out_idx;
int invalid = 0, cnt = 0;
- h->cur_pic_ptr->f.pict_type = h->pict_type;
+ h->cur_pic_ptr->f->pict_type = h->pict_type;
if (h->next_output_pic)
return;
return;
}
- cur->f.interlaced_frame = 0;
- cur->f.repeat_pict = 0;
+ cur->f->interlaced_frame = 0;
+ cur->f->repeat_pict = 0;
/* Signal interlacing information externally. */
/* Prioritize picture timing SEI information over used
break;
case SEI_PIC_STRUCT_TOP_FIELD:
case SEI_PIC_STRUCT_BOTTOM_FIELD:
- cur->f.interlaced_frame = 1;
+ cur->f->interlaced_frame = 1;
break;
case SEI_PIC_STRUCT_TOP_BOTTOM:
case SEI_PIC_STRUCT_BOTTOM_TOP:
if (FIELD_OR_MBAFF_PICTURE(h))
- cur->f.interlaced_frame = 1;
+ cur->f->interlaced_frame = 1;
else
// try to flag soft telecine progressive
- cur->f.interlaced_frame = h->prev_interlaced_frame;
+ cur->f->interlaced_frame = h->prev_interlaced_frame;
break;
case SEI_PIC_STRUCT_TOP_BOTTOM_TOP:
case SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM:
/* Signal the possibility of telecined film externally
* (pic_struct 5,6). From these hints, let the applications
* decide if they apply deinterlacing. */
- cur->f.repeat_pict = 1;
+ cur->f->repeat_pict = 1;
break;
case SEI_PIC_STRUCT_FRAME_DOUBLING:
- cur->f.repeat_pict = 2;
+ cur->f->repeat_pict = 2;
break;
case SEI_PIC_STRUCT_FRAME_TRIPLING:
- cur->f.repeat_pict = 4;
+ cur->f->repeat_pict = 4;
break;
}
if ((h->sei_ct_type & 3) &&
h->sei_pic_struct <= SEI_PIC_STRUCT_BOTTOM_TOP)
- cur->f.interlaced_frame = (h->sei_ct_type & (1 << 1)) != 0;
+ cur->f->interlaced_frame = (h->sei_ct_type & (1 << 1)) != 0;
} else {
/* Derive interlacing flag from used decoding process. */
- cur->f.interlaced_frame = FIELD_OR_MBAFF_PICTURE(h);
+ cur->f->interlaced_frame = FIELD_OR_MBAFF_PICTURE(h);
}
- h->prev_interlaced_frame = cur->f.interlaced_frame;
+ h->prev_interlaced_frame = cur->f->interlaced_frame;
if (cur->field_poc[0] != cur->field_poc[1]) {
/* Derive top_field_first from field pocs. */
- cur->f.top_field_first = cur->field_poc[0] < cur->field_poc[1];
+ cur->f->top_field_first = cur->field_poc[0] < cur->field_poc[1];
} else {
- if (cur->f.interlaced_frame || h->sps.pic_struct_present_flag) {
+ if (cur->f->interlaced_frame || h->sps.pic_struct_present_flag) {
/* Use picture timing SEI information. Even if it is a
* information of a past frame, better than nothing. */
if (h->sei_pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM ||
h->sei_pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM_TOP)
- cur->f.top_field_first = 1;
+ cur->f->top_field_first = 1;
else
- cur->f.top_field_first = 0;
+ cur->f->top_field_first = 0;
} else {
/* Most likely progressive */
- cur->f.top_field_first = 0;
+ cur->f->top_field_first = 0;
}
}
h->frame_packing_arrangement_type <= 6 &&
h->content_interpretation_type > 0 &&
h->content_interpretation_type < 3) {
- AVStereo3D *stereo = av_stereo3d_create_side_data(&cur->f);
+ AVStereo3D *stereo = av_stereo3d_create_side_data(cur->f);
if (!stereo)
return;
stereo->type = AV_STEREO3D_CHECKERBOARD;
break;
case 1:
- stereo->type = AV_STEREO3D_LINES;
+ stereo->type = AV_STEREO3D_COLUMNS;
break;
case 2:
- stereo->type = AV_STEREO3D_COLUMNS;
+ stereo->type = AV_STEREO3D_LINES;
break;
case 3:
if (h->quincunx_subsampling)
stereo->flags = AV_STEREO3D_FLAG_INVERT;
}
+ if (h->sei_display_orientation_present &&
+ (h->sei_anticlockwise_rotation || h->sei_hflip || h->sei_vflip)) {
+ double angle = h->sei_anticlockwise_rotation * 360 / (double) (1 << 16);
+ AVFrameSideData *rotation = av_frame_new_side_data(cur->f,
+ AV_FRAME_DATA_DISPLAYMATRIX,
+ sizeof(int32_t) * 9);
+ if (!rotation)
+ return;
+
+ av_display_rotation_set((int32_t *)rotation->data, angle);
+ av_display_matrix_flip((int32_t *)rotation->data,
+ h->sei_hflip, h->sei_vflip);
+ }
+
+ if (h->sei_reguserdata_afd_present) {
+ AVFrameSideData *sd = av_frame_new_side_data(cur->f, AV_FRAME_DATA_AFD,
+ sizeof(uint8_t));
+ if (!sd)
+ return;
+
+ *sd->data = h->active_format_description;
+ h->sei_reguserdata_afd_present = 0;
+ }
+
+ if (h->a53_caption) {
+ AVFrameSideData *sd = av_frame_new_side_data(cur->f,
+ AV_FRAME_DATA_A53_CC,
+ h->a53_caption_size);
+ if (!sd)
+ return;
+
+ memcpy(sd->data, h->a53_caption, h->a53_caption_size);
+ av_freep(&h->a53_caption);
+ h->a53_caption_size = 0;
+ }
+
// FIXME do something with unavailable reference frames
/* Sort B-frames into display order */
cnt += out->poc < h->last_pocs[i];
invalid += out->poc == INT_MIN;
}
- if (!h->mmco_reset && !cur->f.key_frame &&
+ if (!h->mmco_reset && !cur->f->key_frame &&
cnt + invalid == MAX_DELAYED_PIC_COUNT && cnt > 0) {
h->mmco_reset = 2;
if (pics > 1)
h->delayed_pic[pics - 2]->mmco_reset = 2;
}
- if (h->mmco_reset || cur->f.key_frame) {
+ if (h->mmco_reset || cur->f->key_frame) {
for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++)
h->last_pocs[i] = INT_MIN;
cnt = 0;
for (i = 1; i < MAX_DELAYED_PIC_COUNT &&
h->delayed_pic[i] &&
!h->delayed_pic[i - 1]->mmco_reset &&
- !h->delayed_pic[i]->f.key_frame;
+ !h->delayed_pic[i]->f->key_frame;
i++)
if (h->delayed_pic[i]->poc < out->poc) {
out = h->delayed_pic[i];
out_idx = i;
}
if (h->avctx->has_b_frames == 0 &&
- (h->delayed_pic[0]->f.key_frame || h->mmco_reset))
+ (h->delayed_pic[0]->f->key_frame || h->mmco_reset))
h->next_outputed_poc = INT_MIN;
- out_of_order = !out->f.key_frame && !h->mmco_reset &&
+ out_of_order = !out->f->key_frame && !h->mmco_reset &&
(out->poc < h->next_outputed_poc);
if (h->sps.bitstream_restriction_flag &&
} else if (h->low_delay &&
((h->next_outputed_poc != INT_MIN &&
out->poc > h->next_outputed_poc + 2) ||
- cur->f.pict_type == AV_PICTURE_TYPE_B)) {
+ cur->f->pict_type == AV_PICTURE_TYPE_B)) {
h->low_delay = 0;
h->avctx->has_b_frames++;
}
h->next_outputed_poc = INT_MIN;
}
} else {
- if (out_idx == 0 && pics > 1 && h->delayed_pic[0]->f.key_frame) {
+ if (out_idx == 0 && pics > 1 && h->delayed_pic[0]->f->key_frame) {
h->next_outputed_poc = INT_MIN;
} else {
h->next_outputed_poc = out->poc;
h->next_output_pic->recovered |= !!(h->frame_recovered & FRAME_RECOVERED_SEI);
}
- if (setup_finished && !h->avctx->hwaccel)
+ if (setup_finished && !h->avctx->hwaccel) {
ff_thread_finish_setup(h->avctx);
-}
-
-static av_always_inline void backup_mb_border(H264Context *h, uint8_t *src_y,
- uint8_t *src_cb, uint8_t *src_cr,
- int linesize, int uvlinesize,
- int simple)
-{
- uint8_t *top_border;
- int top_idx = 1;
- const int pixel_shift = h->pixel_shift;
- int chroma444 = CHROMA444(h);
- int chroma422 = CHROMA422(h);
-
- src_y -= linesize;
- src_cb -= uvlinesize;
- src_cr -= uvlinesize;
-
- if (!simple && FRAME_MBAFF(h)) {
- if (h->mb_y & 1) {
- if (!MB_MBAFF(h)) {
- top_border = h->top_borders[0][h->mb_x];
- AV_COPY128(top_border, src_y + 15 * linesize);
- if (pixel_shift)
- AV_COPY128(top_border + 16, src_y + 15 * linesize + 16);
- if (simple || !CONFIG_GRAY || !(h->flags & CODEC_FLAG_GRAY)) {
- if (chroma444) {
- if (pixel_shift) {
- AV_COPY128(top_border + 32, src_cb + 15 * uvlinesize);
- AV_COPY128(top_border + 48, src_cb + 15 * uvlinesize + 16);
- AV_COPY128(top_border + 64, src_cr + 15 * uvlinesize);
- AV_COPY128(top_border + 80, src_cr + 15 * uvlinesize + 16);
- } else {
- AV_COPY128(top_border + 16, src_cb + 15 * uvlinesize);
- AV_COPY128(top_border + 32, src_cr + 15 * uvlinesize);
- }
- } else if (chroma422) {
- if (pixel_shift) {
- AV_COPY128(top_border + 32, src_cb + 15 * uvlinesize);
- AV_COPY128(top_border + 48, src_cr + 15 * uvlinesize);
- } else {
- AV_COPY64(top_border + 16, src_cb + 15 * uvlinesize);
- AV_COPY64(top_border + 24, src_cr + 15 * uvlinesize);
- }
- } else {
- if (pixel_shift) {
- AV_COPY128(top_border + 32, src_cb + 7 * uvlinesize);
- AV_COPY128(top_border + 48, src_cr + 7 * uvlinesize);
- } else {
- AV_COPY64(top_border + 16, src_cb + 7 * uvlinesize);
- AV_COPY64(top_border + 24, src_cr + 7 * uvlinesize);
- }
- }
- }
- }
- } else if (MB_MBAFF(h)) {
- top_idx = 0;
- } else
- return;
- }
-
- top_border = h->top_borders[top_idx][h->mb_x];
- /* There are two lines saved, the line above the top macroblock
- * of a pair, and the line above the bottom macroblock. */
- AV_COPY128(top_border, src_y + 16 * linesize);
- if (pixel_shift)
- AV_COPY128(top_border + 16, src_y + 16 * linesize + 16);
-
- if (simple || !CONFIG_GRAY || !(h->flags & CODEC_FLAG_GRAY)) {
- if (chroma444) {
- if (pixel_shift) {
- AV_COPY128(top_border + 32, src_cb + 16 * linesize);
- AV_COPY128(top_border + 48, src_cb + 16 * linesize + 16);
- AV_COPY128(top_border + 64, src_cr + 16 * linesize);
- AV_COPY128(top_border + 80, src_cr + 16 * linesize + 16);
- } else {
- AV_COPY128(top_border + 16, src_cb + 16 * linesize);
- AV_COPY128(top_border + 32, src_cr + 16 * linesize);
- }
- } else if (chroma422) {
- if (pixel_shift) {
- AV_COPY128(top_border + 32, src_cb + 16 * uvlinesize);
- AV_COPY128(top_border + 48, src_cr + 16 * uvlinesize);
- } else {
- AV_COPY64(top_border + 16, src_cb + 16 * uvlinesize);
- AV_COPY64(top_border + 24, src_cr + 16 * uvlinesize);
- }
- } else {
- if (pixel_shift) {
- AV_COPY128(top_border + 32, src_cb + 8 * uvlinesize);
- AV_COPY128(top_border + 48, src_cr + 8 * uvlinesize);
- } else {
- AV_COPY64(top_border + 16, src_cb + 8 * uvlinesize);
- AV_COPY64(top_border + 24, src_cr + 8 * uvlinesize);
- }
- }
- }
-}
-
-static av_always_inline void xchg_mb_border(H264Context *h, uint8_t *src_y,
- uint8_t *src_cb, uint8_t *src_cr,
- int linesize, int uvlinesize,
- int xchg, int chroma444,
- int simple, int pixel_shift)
-{
- int deblock_topleft;
- int deblock_top;
- int top_idx = 1;
- uint8_t *top_border_m1;
- uint8_t *top_border;
-
- if (!simple && FRAME_MBAFF(h)) {
- if (h->mb_y & 1) {
- if (!MB_MBAFF(h))
- return;
- } else {
- top_idx = MB_MBAFF(h) ? 0 : 1;
- }
- }
-
- if (h->deblocking_filter == 2) {
- deblock_topleft = h->slice_table[h->mb_xy - 1 - h->mb_stride] == h->slice_num;
- deblock_top = h->top_type;
- } else {
- deblock_topleft = (h->mb_x > 0);
- deblock_top = (h->mb_y > !!MB_FIELD(h));
- }
-
- src_y -= linesize + 1 + pixel_shift;
- src_cb -= uvlinesize + 1 + pixel_shift;
- src_cr -= uvlinesize + 1 + pixel_shift;
-
- top_border_m1 = h->top_borders[top_idx][h->mb_x - 1];
- top_border = h->top_borders[top_idx][h->mb_x];
-
-#define XCHG(a, b, xchg) \
- if (pixel_shift) { \
- if (xchg) { \
- AV_SWAP64(b + 0, a + 0); \
- AV_SWAP64(b + 8, a + 8); \
- } else { \
- AV_COPY128(b, a); \
- } \
- } else if (xchg) \
- AV_SWAP64(b, a); \
- else \
- AV_COPY64(b, a);
-
- if (deblock_top) {
- if (deblock_topleft) {
- XCHG(top_border_m1 + (8 << pixel_shift),
- src_y - (7 << pixel_shift), 1);
- }
- XCHG(top_border + (0 << pixel_shift), src_y + (1 << pixel_shift), xchg);
- XCHG(top_border + (8 << pixel_shift), src_y + (9 << pixel_shift), 1);
- if (h->mb_x + 1 < h->mb_width) {
- XCHG(h->top_borders[top_idx][h->mb_x + 1],
- src_y + (17 << pixel_shift), 1);
- }
- }
- if (simple || !CONFIG_GRAY || !(h->flags & CODEC_FLAG_GRAY)) {
- if (chroma444) {
- if (deblock_topleft) {
- XCHG(top_border_m1 + (24 << pixel_shift), src_cb - (7 << pixel_shift), 1);
- XCHG(top_border_m1 + (40 << pixel_shift), src_cr - (7 << pixel_shift), 1);
- }
- XCHG(top_border + (16 << pixel_shift), src_cb + (1 << pixel_shift), xchg);
- XCHG(top_border + (24 << pixel_shift), src_cb + (9 << pixel_shift), 1);
- XCHG(top_border + (32 << pixel_shift), src_cr + (1 << pixel_shift), xchg);
- XCHG(top_border + (40 << pixel_shift), src_cr + (9 << pixel_shift), 1);
- if (h->mb_x + 1 < h->mb_width) {
- XCHG(h->top_borders[top_idx][h->mb_x + 1] + (16 << pixel_shift), src_cb + (17 << pixel_shift), 1);
- XCHG(h->top_borders[top_idx][h->mb_x + 1] + (32 << pixel_shift), src_cr + (17 << pixel_shift), 1);
- }
- } else {
- if (deblock_top) {
- if (deblock_topleft) {
- XCHG(top_border_m1 + (16 << pixel_shift), src_cb - (7 << pixel_shift), 1);
- XCHG(top_border_m1 + (24 << pixel_shift), src_cr - (7 << pixel_shift), 1);
- }
- XCHG(top_border + (16 << pixel_shift), src_cb + 1 + pixel_shift, 1);
- XCHG(top_border + (24 << pixel_shift), src_cr + 1 + pixel_shift, 1);
- }
- }
- }
-}
-
-static av_always_inline int dctcoef_get(int16_t *mb, int high_bit_depth,
- int index)
-{
- if (high_bit_depth) {
- return AV_RN32A(((int32_t *)mb) + index);
- } else
- return AV_RN16A(mb + index);
-}
-
-static av_always_inline void dctcoef_set(int16_t *mb, int high_bit_depth,
- int index, int value)
-{
- if (high_bit_depth) {
- AV_WN32A(((int32_t *)mb) + index, value);
- } else
- AV_WN16A(mb + index, value);
-}
-
-static av_always_inline void hl_decode_mb_predict_luma(H264Context *h,
- int mb_type, int is_h264,
- int simple,
- int transform_bypass,
- int pixel_shift,
- int *block_offset,
- int linesize,
- uint8_t *dest_y, int p)
-{
- void (*idct_add)(uint8_t *dst, int16_t *block, int stride);
- void (*idct_dc_add)(uint8_t *dst, int16_t *block, int stride);
- int i;
- int qscale = p == 0 ? h->qscale : h->chroma_qp[p - 1];
- block_offset += 16 * p;
- if (IS_INTRA4x4(mb_type)) {
- if (IS_8x8DCT(mb_type)) {
- if (transform_bypass) {
- idct_dc_add =
- idct_add = h->h264dsp.h264_add_pixels8_clear;
- } else {
- idct_dc_add = h->h264dsp.h264_idct8_dc_add;
- idct_add = h->h264dsp.h264_idct8_add;
- }
- for (i = 0; i < 16; i += 4) {
- uint8_t *const ptr = dest_y + block_offset[i];
- const int dir = h->intra4x4_pred_mode_cache[scan8[i]];
- if (transform_bypass && h->sps.profile_idc == 244 && dir <= 1) {
- h->hpc.pred8x8l_add[dir](ptr, h->mb + (i * 16 + p * 256 << pixel_shift), linesize);
- } else {
- const int nnz = h->non_zero_count_cache[scan8[i + p * 16]];
- h->hpc.pred8x8l[dir](ptr, (h->topleft_samples_available << i) & 0x8000,
- (h->topright_samples_available << i) & 0x4000, linesize);
- if (nnz) {
- if (nnz == 1 && dctcoef_get(h->mb, pixel_shift, i * 16 + p * 256))
- idct_dc_add(ptr, h->mb + (i * 16 + p * 256 << pixel_shift), linesize);
- else
- idct_add(ptr, h->mb + (i * 16 + p * 256 << pixel_shift), linesize);
- }
- }
- }
- } else {
- if (transform_bypass) {
- idct_dc_add =
- idct_add = h->h264dsp.h264_add_pixels4_clear;
- } else {
- idct_dc_add = h->h264dsp.h264_idct_dc_add;
- idct_add = h->h264dsp.h264_idct_add;
- }
- for (i = 0; i < 16; i++) {
- uint8_t *const ptr = dest_y + block_offset[i];
- const int dir = h->intra4x4_pred_mode_cache[scan8[i]];
-
- if (transform_bypass && h->sps.profile_idc == 244 && dir <= 1) {
- h->hpc.pred4x4_add[dir](ptr, h->mb + (i * 16 + p * 256 << pixel_shift), linesize);
- } else {
- uint8_t *topright;
- int nnz, tr;
- uint64_t tr_high;
- if (dir == DIAG_DOWN_LEFT_PRED || dir == VERT_LEFT_PRED) {
- const int topright_avail = (h->topright_samples_available << i) & 0x8000;
- assert(h->mb_y || linesize <= block_offset[i]);
- if (!topright_avail) {
- if (pixel_shift) {
- tr_high = ((uint16_t *)ptr)[3 - linesize / 2] * 0x0001000100010001ULL;
- topright = (uint8_t *)&tr_high;
- } else {
- tr = ptr[3 - linesize] * 0x01010101u;
- topright = (uint8_t *)&tr;
- }
- } else
- topright = ptr + (4 << pixel_shift) - linesize;
- } else
- topright = NULL;
-
- h->hpc.pred4x4[dir](ptr, topright, linesize);
- nnz = h->non_zero_count_cache[scan8[i + p * 16]];
- if (nnz) {
- if (is_h264) {
- if (nnz == 1 && dctcoef_get(h->mb, pixel_shift, i * 16 + p * 256))
- idct_dc_add(ptr, h->mb + (i * 16 + p * 256 << pixel_shift), linesize);
- else
- idct_add(ptr, h->mb + (i * 16 + p * 256 << pixel_shift), linesize);
- } else if (CONFIG_SVQ3_DECODER)
- ff_svq3_add_idct_c(ptr, h->mb + i * 16 + p * 256, linesize, qscale, 0);
- }
- }
- }
- }
- } else {
- h->hpc.pred16x16[h->intra16x16_pred_mode](dest_y, linesize);
- if (is_h264) {
- if (h->non_zero_count_cache[scan8[LUMA_DC_BLOCK_INDEX + p]]) {
- if (!transform_bypass)
- h->h264dsp.h264_luma_dc_dequant_idct(h->mb + (p * 256 << pixel_shift),
- h->mb_luma_dc[p],
- h->dequant4_coeff[p][qscale][0]);
- else {
- static const uint8_t dc_mapping[16] = {
- 0 * 16, 1 * 16, 4 * 16, 5 * 16,
- 2 * 16, 3 * 16, 6 * 16, 7 * 16,
- 8 * 16, 9 * 16, 12 * 16, 13 * 16,
- 10 * 16, 11 * 16, 14 * 16, 15 * 16
- };
- for (i = 0; i < 16; i++)
- dctcoef_set(h->mb + (p * 256 << pixel_shift),
- pixel_shift, dc_mapping[i],
- dctcoef_get(h->mb_luma_dc[p],
- pixel_shift, i));
- }
- }
- } else if (CONFIG_SVQ3_DECODER)
- ff_svq3_luma_dc_dequant_idct_c(h->mb + p * 256,
- h->mb_luma_dc[p], qscale);
- }
-}
-static av_always_inline void hl_decode_mb_idct_luma(H264Context *h, int mb_type,
- int is_h264, int simple,
- int transform_bypass,
- int pixel_shift,
- int *block_offset,
- int linesize,
- uint8_t *dest_y, int p)
-{
- void (*idct_add)(uint8_t *dst, int16_t *block, int stride);
- int i;
- block_offset += 16 * p;
- if (!IS_INTRA4x4(mb_type)) {
- if (is_h264) {
- if (IS_INTRA16x16(mb_type)) {
- if (transform_bypass) {
- if (h->sps.profile_idc == 244 &&
- (h->intra16x16_pred_mode == VERT_PRED8x8 ||
- h->intra16x16_pred_mode == HOR_PRED8x8)) {
- h->hpc.pred16x16_add[h->intra16x16_pred_mode](dest_y, block_offset,
- h->mb + (p * 256 << pixel_shift),
- linesize);
- } else {
- for (i = 0; i < 16; i++)
- if (h->non_zero_count_cache[scan8[i + p * 16]] ||
- dctcoef_get(h->mb, pixel_shift, i * 16 + p * 256))
- h->h264dsp.h264_add_pixels4_clear(dest_y + block_offset[i],
- h->mb + (i * 16 + p * 256 << pixel_shift),
- linesize);
- }
- } else {
- h->h264dsp.h264_idct_add16intra(dest_y, block_offset,
- h->mb + (p * 256 << pixel_shift),
- linesize,
- h->non_zero_count_cache + p * 5 * 8);
- }
- } else if (h->cbp & 15) {
- if (transform_bypass) {
- const int di = IS_8x8DCT(mb_type) ? 4 : 1;
- idct_add = IS_8x8DCT(mb_type) ? h->h264dsp.h264_add_pixels8_clear
- : h->h264dsp.h264_add_pixels4_clear;
- for (i = 0; i < 16; i += di)
- if (h->non_zero_count_cache[scan8[i + p * 16]])
- idct_add(dest_y + block_offset[i],
- h->mb + (i * 16 + p * 256 << pixel_shift),
- linesize);
- } else {
- if (IS_8x8DCT(mb_type))
- h->h264dsp.h264_idct8_add4(dest_y, block_offset,
- h->mb + (p * 256 << pixel_shift),
- linesize,
- h->non_zero_count_cache + p * 5 * 8);
- else
- h->h264dsp.h264_idct_add16(dest_y, block_offset,
- h->mb + (p * 256 << pixel_shift),
- linesize,
- h->non_zero_count_cache + p * 5 * 8);
- }
- }
- } else if (CONFIG_SVQ3_DECODER) {
- for (i = 0; i < 16; i++)
- if (h->non_zero_count_cache[scan8[i + p * 16]] || h->mb[i * 16 + p * 256]) {
- // FIXME benchmark weird rule, & below
- uint8_t *const ptr = dest_y + block_offset[i];
- ff_svq3_add_idct_c(ptr, h->mb + i * 16 + p * 256, linesize,
- h->qscale, IS_INTRA(mb_type) ? 1 : 0);
- }
- }
+ if (h->avctx->active_thread_type & FF_THREAD_FRAME)
+ h->setup_finished = 1;
}
}
-#define BITS 8
-#define SIMPLE 1
-#include "h264_mb_template.c"
-
-#undef BITS
-#define BITS 16
-#include "h264_mb_template.c"
-
-#undef SIMPLE
-#define SIMPLE 0
-#include "h264_mb_template.c"
-
-void ff_h264_hl_decode_mb(H264Context *h)
-{
- const int mb_xy = h->mb_xy;
- const int mb_type = h->cur_pic.mb_type[mb_xy];
- int is_complex = CONFIG_SMALL || h->is_complex ||
- IS_INTRA_PCM(mb_type) || h->qscale == 0;
-
- if (CHROMA444(h)) {
- if (is_complex || h->pixel_shift)
- hl_decode_mb_444_complex(h);
- else
- hl_decode_mb_444_simple_8(h);
- } else if (is_complex) {
- hl_decode_mb_complex(h);
- } else if (h->pixel_shift) {
- hl_decode_mb_simple_16(h);
- } else
- hl_decode_mb_simple_8(h);
-}
-
-int ff_pred_weight_table(H264Context *h)
+int ff_pred_weight_table(H264Context *h, H264SliceContext *sl)
{
int list, i;
int luma_def, chroma_def;
- h->use_weight = 0;
- h->use_weight_chroma = 0;
- h->luma_log2_weight_denom = get_ue_golomb(&h->gb);
+ sl->use_weight = 0;
+ sl->use_weight_chroma = 0;
+ sl->luma_log2_weight_denom = get_ue_golomb(&sl->gb);
if (h->sps.chroma_format_idc)
- h->chroma_log2_weight_denom = get_ue_golomb(&h->gb);
- luma_def = 1 << h->luma_log2_weight_denom;
- chroma_def = 1 << h->chroma_log2_weight_denom;
+ sl->chroma_log2_weight_denom = get_ue_golomb(&sl->gb);
+ luma_def = 1 << sl->luma_log2_weight_denom;
+ chroma_def = 1 << sl->chroma_log2_weight_denom;
for (list = 0; list < 2; list++) {
- h->luma_weight_flag[list] = 0;
- h->chroma_weight_flag[list] = 0;
- for (i = 0; i < h->ref_count[list]; i++) {
+ sl->luma_weight_flag[list] = 0;
+ sl->chroma_weight_flag[list] = 0;
+ for (i = 0; i < sl->ref_count[list]; i++) {
int luma_weight_flag, chroma_weight_flag;
- luma_weight_flag = get_bits1(&h->gb);
+ luma_weight_flag = get_bits1(&sl->gb);
if (luma_weight_flag) {
- h->luma_weight[i][list][0] = get_se_golomb(&h->gb);
- h->luma_weight[i][list][1] = get_se_golomb(&h->gb);
- if (h->luma_weight[i][list][0] != luma_def ||
- h->luma_weight[i][list][1] != 0) {
- h->use_weight = 1;
- h->luma_weight_flag[list] = 1;
+ sl->luma_weight[i][list][0] = get_se_golomb(&sl->gb);
+ sl->luma_weight[i][list][1] = get_se_golomb(&sl->gb);
+ if (sl->luma_weight[i][list][0] != luma_def ||
+ sl->luma_weight[i][list][1] != 0) {
+ sl->use_weight = 1;
+ sl->luma_weight_flag[list] = 1;
}
} else {
- h->luma_weight[i][list][0] = luma_def;
- h->luma_weight[i][list][1] = 0;
+ sl->luma_weight[i][list][0] = luma_def;
+ sl->luma_weight[i][list][1] = 0;
}
if (h->sps.chroma_format_idc) {
- chroma_weight_flag = get_bits1(&h->gb);
+ chroma_weight_flag = get_bits1(&sl->gb);
if (chroma_weight_flag) {
int j;
for (j = 0; j < 2; j++) {
- h->chroma_weight[i][list][j][0] = get_se_golomb(&h->gb);
- h->chroma_weight[i][list][j][1] = get_se_golomb(&h->gb);
- if (h->chroma_weight[i][list][j][0] != chroma_def ||
- h->chroma_weight[i][list][j][1] != 0) {
- h->use_weight_chroma = 1;
- h->chroma_weight_flag[list] = 1;
+ sl->chroma_weight[i][list][j][0] = get_se_golomb(&sl->gb);
+ sl->chroma_weight[i][list][j][1] = get_se_golomb(&sl->gb);
+ if (sl->chroma_weight[i][list][j][0] != chroma_def ||
+ sl->chroma_weight[i][list][j][1] != 0) {
+ sl->use_weight_chroma = 1;
+ sl->chroma_weight_flag[list] = 1;
}
}
} else {
int j;
for (j = 0; j < 2; j++) {
- h->chroma_weight[i][list][j][0] = chroma_def;
- h->chroma_weight[i][list][j][1] = 0;
+ sl->chroma_weight[i][list][j][0] = chroma_def;
+ sl->chroma_weight[i][list][j][1] = 0;
}
}
}
}
- if (h->slice_type_nos != AV_PICTURE_TYPE_B)
+ if (sl->slice_type_nos != AV_PICTURE_TYPE_B)
break;
}
- h->use_weight = h->use_weight || h->use_weight_chroma;
+ sl->use_weight = sl->use_weight || sl->use_weight_chroma;
return 0;
}
-/**
- * Initialize implicit_weight table.
- * @param field 0/1 initialize the weight for interlaced MBAFF
- * -1 initializes the rest
- */
-static void implicit_weight_table(H264Context *h, int field)
-{
- int ref0, ref1, i, cur_poc, ref_start, ref_count0, ref_count1;
-
- for (i = 0; i < 2; i++) {
- h->luma_weight_flag[i] = 0;
- h->chroma_weight_flag[i] = 0;
- }
-
- if (field < 0) {
- if (h->picture_structure == PICT_FRAME) {
- cur_poc = h->cur_pic_ptr->poc;
- } else {
- cur_poc = h->cur_pic_ptr->field_poc[h->picture_structure - 1];
- }
- if (h->ref_count[0] == 1 && h->ref_count[1] == 1 && !FRAME_MBAFF(h) &&
- h->ref_list[0][0].poc + h->ref_list[1][0].poc == 2 * cur_poc) {
- h->use_weight = 0;
- h->use_weight_chroma = 0;
- return;
- }
- ref_start = 0;
- ref_count0 = h->ref_count[0];
- ref_count1 = h->ref_count[1];
- } else {
- cur_poc = h->cur_pic_ptr->field_poc[field];
- ref_start = 16;
- ref_count0 = 16 + 2 * h->ref_count[0];
- ref_count1 = 16 + 2 * h->ref_count[1];
- }
-
- h->use_weight = 2;
- h->use_weight_chroma = 2;
- h->luma_log2_weight_denom = 5;
- h->chroma_log2_weight_denom = 5;
-
- for (ref0 = ref_start; ref0 < ref_count0; ref0++) {
- int poc0 = h->ref_list[0][ref0].poc;
- for (ref1 = ref_start; ref1 < ref_count1; ref1++) {
- int w = 32;
- if (!h->ref_list[0][ref0].long_ref && !h->ref_list[1][ref1].long_ref) {
- int poc1 = h->ref_list[1][ref1].poc;
- int td = av_clip(poc1 - poc0, -128, 127);
- if (td) {
- int tb = av_clip(cur_poc - poc0, -128, 127);
- int tx = (16384 + (FFABS(td) >> 1)) / td;
- int dist_scale_factor = (tb * tx + 32) >> 8;
- if (dist_scale_factor >= -64 && dist_scale_factor <= 128)
- w = 64 - dist_scale_factor;
- }
- }
- if (field < 0) {
- h->implicit_weight[ref0][ref1][0] =
- h->implicit_weight[ref0][ref1][1] = w;
- } else {
- h->implicit_weight[ref0][ref1][field] = w;
- }
- }
- }
-}
-
/**
* instantaneous decoder refresh.
*/
static void idr(H264Context *h)
{
ff_h264_remove_all_refs(h);
- h->prev_frame_num = 0;
- h->prev_frame_num_offset = 0;
+ h->prev_frame_num =
+ h->prev_frame_num_offset =
h->prev_poc_msb =
h->prev_poc_lsb = 0;
}
/* forget old pics after a seek */
-static void flush_change(H264Context *h)
+void ff_h264_flush_change(H264Context *h)
{
int i;
for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++)
h->last_pocs[i] = INT_MIN;
- h->outputed_poc = h->next_outputed_poc = INT_MIN;
+ h->next_outputed_poc = INT_MIN;
h->prev_interlaced_frame = 1;
idr(h);
if (h->cur_pic_ptr)
h->cur_pic_ptr->reference = 0;
h->first_field = 0;
- memset(h->ref_list[0], 0, sizeof(h->ref_list[0]));
- memset(h->ref_list[1], 0, sizeof(h->ref_list[1]));
- memset(h->default_ref_list[0], 0, sizeof(h->default_ref_list[0]));
- memset(h->default_ref_list[1], 0, sizeof(h->default_ref_list[1]));
ff_h264_reset_sei(h);
h->recovery_frame = -1;
h->frame_recovered = 0;
H264Context *h = avctx->priv_data;
int i;
- for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++) {
- if (h->delayed_pic[i])
- h->delayed_pic[i]->reference = 0;
- h->delayed_pic[i] = NULL;
- }
+ memset(h->delayed_pic, 0, sizeof(h->delayed_pic));
- flush_change(h);
+ ff_h264_flush_change(h);
- if (h->DPB)
- for (i = 0; i < MAX_PICTURE_COUNT; i++)
- unref_picture(h, &h->DPB[i]);
+ for (i = 0; i < H264_MAX_PICTURE_COUNT; i++)
+ ff_h264_unref_picture(h, &h->DPB[i]);
h->cur_pic_ptr = NULL;
- unref_picture(h, &h->cur_pic);
-
- h->mb_x = h->mb_y = 0;
+ ff_h264_unref_picture(h, &h->cur_pic);
- h->parse_context.state = -1;
- h->parse_context.frame_start_found = 0;
- h->parse_context.overread = 0;
- h->parse_context.overread_index = 0;
- h->parse_context.index = 0;
- h->parse_context.last_index = 0;
+ h->mb_y = 0;
- free_tables(h, 1);
+ ff_h264_free_tables(h);
h->context_initialized = 0;
}
}
/**
- * initialize scan tables
+ * Compute profile from profile_idc and constraint_set?_flags.
+ *
+ * @param sps SPS
+ *
+ * @return profile as defined by FF_PROFILE_H264_*
*/
-static void init_scan_tables(H264Context *h)
-{
- int i;
- for (i = 0; i < 16; i++) {
-#define T(x) (x >> 2) | ((x << 2) & 0xF)
- h->zigzag_scan[i] = T(zigzag_scan[i]);
- h->field_scan[i] = T(field_scan[i]);
-#undef T
- }
- for (i = 0; i < 64; i++) {
-#define T(x) (x >> 3) | ((x & 7) << 3)
- h->zigzag_scan8x8[i] = T(ff_zigzag_direct[i]);
- h->zigzag_scan8x8_cavlc[i] = T(zigzag_scan8x8_cavlc[i]);
- h->field_scan8x8[i] = T(field_scan8x8[i]);
- h->field_scan8x8_cavlc[i] = T(field_scan8x8_cavlc[i]);
-#undef T
- }
- if (h->sps.transform_bypass) { // FIXME same ugly
- h->zigzag_scan_q0 = zigzag_scan;
- h->zigzag_scan8x8_q0 = ff_zigzag_direct;
- h->zigzag_scan8x8_cavlc_q0 = zigzag_scan8x8_cavlc;
- h->field_scan_q0 = field_scan;
- h->field_scan8x8_q0 = field_scan8x8;
- h->field_scan8x8_cavlc_q0 = field_scan8x8_cavlc;
- } else {
- h->zigzag_scan_q0 = h->zigzag_scan;
- h->zigzag_scan8x8_q0 = h->zigzag_scan8x8;
- h->zigzag_scan8x8_cavlc_q0 = h->zigzag_scan8x8_cavlc;
- h->field_scan_q0 = h->field_scan;
- h->field_scan8x8_q0 = h->field_scan8x8;
- h->field_scan8x8_cavlc_q0 = h->field_scan8x8_cavlc;
- }
-}
-
-static int field_end(H264Context *h, int in_setup)
-{
- AVCodecContext *const avctx = h->avctx;
- int err = 0;
- h->mb_y = 0;
-
- if (!in_setup && !h->droppable)
- ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
- h->picture_structure == PICT_BOTTOM_FIELD);
-
- if (in_setup || !(avctx->active_thread_type & FF_THREAD_FRAME)) {
- if (!h->droppable) {
- err = ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index);
- h->prev_poc_msb = h->poc_msb;
- h->prev_poc_lsb = h->poc_lsb;
- }
- h->prev_frame_num_offset = h->frame_num_offset;
- h->prev_frame_num = h->frame_num;
- h->outputed_poc = h->next_outputed_poc;
- }
-
- if (avctx->hwaccel) {
- if (avctx->hwaccel->end_frame(avctx) < 0)
- av_log(avctx, AV_LOG_ERROR,
- "hardware accelerator failed to decode picture\n");
- }
-
- /*
- * FIXME: Error handling code does not seem to support interlaced
- * when slices span multiple rows
- * The ff_er_add_slice calls don't work right for bottom
- * fields; they cause massive erroneous error concealing
- * Error marking covers both fields (top and bottom).
- * This causes a mismatched s->error_count
- * and a bad error table. Further, the error count goes to
- * INT_MAX when called for bottom field, because mb_y is
- * past end by one (callers fault) and resync_mb_y != 0
- * causes problems for the first MB line, too.
- */
- if (CONFIG_ERROR_RESILIENCE && !FIELD_PICTURE(h)) {
- h->er.cur_pic = h->cur_pic_ptr;
- h->er.last_pic = h->ref_count[0] ? &h->ref_list[0][0] : NULL;
- h->er.next_pic = h->ref_count[1] ? &h->ref_list[1][0] : NULL;
- ff_er_frame_end(&h->er);
- }
- emms_c();
-
- h->current_slice = 0;
-
- return err;
-}
-
-/**
- * Replicate H264 "master" context to thread contexts.
- */
-static int clone_slice(H264Context *dst, H264Context *src)
-{
- memcpy(dst->block_offset, src->block_offset, sizeof(dst->block_offset));
- dst->cur_pic_ptr = src->cur_pic_ptr;
- dst->cur_pic = src->cur_pic;
- dst->linesize = src->linesize;
- dst->uvlinesize = src->uvlinesize;
- dst->first_field = src->first_field;
-
- dst->prev_poc_msb = src->prev_poc_msb;
- dst->prev_poc_lsb = src->prev_poc_lsb;
- dst->prev_frame_num_offset = src->prev_frame_num_offset;
- dst->prev_frame_num = src->prev_frame_num;
- dst->short_ref_count = src->short_ref_count;
-
- memcpy(dst->short_ref, src->short_ref, sizeof(dst->short_ref));
- memcpy(dst->long_ref, src->long_ref, sizeof(dst->long_ref));
- memcpy(dst->default_ref_list, src->default_ref_list, sizeof(dst->default_ref_list));
-
- memcpy(dst->dequant4_coeff, src->dequant4_coeff, sizeof(src->dequant4_coeff));
- memcpy(dst->dequant8_coeff, src->dequant8_coeff, sizeof(src->dequant8_coeff));
-
- return 0;
-}
-
-/**
- * Compute profile from profile_idc and constraint_set?_flags.
- *
- * @param sps SPS
- *
- * @return profile as defined by FF_PROFILE_H264_*
- */
-int ff_h264_get_profile(SPS *sps)
+int ff_h264_get_profile(SPS *sps)
{
int profile = sps->profile_idc;
return profile;
}
-static int h264_set_parameter_from_sps(H264Context *h)
-{
- if (h->flags & CODEC_FLAG_LOW_DELAY ||
- (h->sps.bitstream_restriction_flag &&
- !h->sps.num_reorder_frames)) {
- if (h->avctx->has_b_frames > 1 || h->delayed_pic[0])
- av_log(h->avctx, AV_LOG_WARNING, "Delayed frames seen. "
- "Reenabling low delay requires a codec flush.\n");
- else
- h->low_delay = 1;
- }
-
- if (h->avctx->has_b_frames < 2)
- h->avctx->has_b_frames = !h->low_delay;
-
- if (h->avctx->bits_per_raw_sample != h->sps.bit_depth_luma ||
- h->cur_chroma_format_idc != h->sps.chroma_format_idc) {
- if (h->sps.bit_depth_luma >= 8 && h->sps.bit_depth_luma <= 10) {
- h->avctx->bits_per_raw_sample = h->sps.bit_depth_luma;
- h->cur_chroma_format_idc = h->sps.chroma_format_idc;
- h->pixel_shift = h->sps.bit_depth_luma > 8;
-
- ff_h264dsp_init(&h->h264dsp, h->sps.bit_depth_luma,
- h->sps.chroma_format_idc);
- ff_h264chroma_init(&h->h264chroma, h->sps.bit_depth_chroma);
- ff_h264qpel_init(&h->h264qpel, h->sps.bit_depth_luma);
- ff_h264_pred_init(&h->hpc, h->avctx->codec_id, h->sps.bit_depth_luma,
- h->sps.chroma_format_idc);
- if (CONFIG_ERROR_RESILIENCE)
- ff_dsputil_init(&h->dsp, h->avctx);
- ff_videodsp_init(&h->vdsp, h->sps.bit_depth_luma);
- } else {
- av_log(h->avctx, AV_LOG_ERROR, "Unsupported bit depth: %d\n",
- h->sps.bit_depth_luma);
- return AVERROR_INVALIDDATA;
- }
- }
- return 0;
-}
-
-static enum AVPixelFormat get_pixel_format(H264Context *h)
-{
- switch (h->sps.bit_depth_luma) {
- case 9:
- if (CHROMA444(h)) {
- if (h->avctx->colorspace == AVCOL_SPC_RGB) {
- return AV_PIX_FMT_GBRP9;
- } else
- return AV_PIX_FMT_YUV444P9;
- } else if (CHROMA422(h))
- return AV_PIX_FMT_YUV422P9;
- else
- return AV_PIX_FMT_YUV420P9;
- break;
- case 10:
- if (CHROMA444(h)) {
- if (h->avctx->colorspace == AVCOL_SPC_RGB) {
- return AV_PIX_FMT_GBRP10;
- } else
- return AV_PIX_FMT_YUV444P10;
- } else if (CHROMA422(h))
- return AV_PIX_FMT_YUV422P10;
- else
- return AV_PIX_FMT_YUV420P10;
- break;
- case 8:
- if (CHROMA444(h)) {
- if (h->avctx->colorspace == AVCOL_SPC_RGB) {
- return AV_PIX_FMT_GBRP;
- } else
- return h->avctx->color_range == AVCOL_RANGE_JPEG ? AV_PIX_FMT_YUVJ444P
- : AV_PIX_FMT_YUV444P;
- } else if (CHROMA422(h)) {
- return h->avctx->color_range == AVCOL_RANGE_JPEG ? AV_PIX_FMT_YUVJ422P
- : AV_PIX_FMT_YUV422P;
- } else {
- return h->avctx->get_format(h->avctx, h->avctx->codec->pix_fmts ?
- h->avctx->codec->pix_fmts :
- h->avctx->color_range == AVCOL_RANGE_JPEG ?
- h264_hwaccel_pixfmt_list_jpeg_420 :
- h264_hwaccel_pixfmt_list_420);
- }
- break;
- default:
- av_log(h->avctx, AV_LOG_ERROR,
- "Unsupported bit depth: %d\n", h->sps.bit_depth_luma);
- return AVERROR_INVALIDDATA;
- }
-}
-
-/* export coded and cropped frame dimensions to AVCodecContext */
-static int init_dimensions(H264Context *h)
-{
- int width = h->width - (h->sps.crop_right + h->sps.crop_left);
- int height = h->height - (h->sps.crop_top + h->sps.crop_bottom);
-
- /* handle container cropping */
- if (!h->sps.crop &&
- FFALIGN(h->avctx->width, 16) == h->width &&
- FFALIGN(h->avctx->height, 16) == h->height) {
- width = h->avctx->width;
- height = h->avctx->height;
- }
-
- if (width <= 0 || height <= 0) {
- av_log(h->avctx, AV_LOG_ERROR, "Invalid cropped dimensions: %dx%d.\n",
- width, height);
- if (h->avctx->err_recognition & AV_EF_EXPLODE)
- return AVERROR_INVALIDDATA;
-
- av_log(h->avctx, AV_LOG_WARNING, "Ignoring cropping information.\n");
- h->sps.crop_bottom = h->sps.crop_top = h->sps.crop_right = h->sps.crop_left = 0;
- h->sps.crop = 0;
-
- width = h->width;
- height = h->height;
- }
-
- h->avctx->coded_width = h->width;
- h->avctx->coded_height = h->height;
- h->avctx->width = width;
- h->avctx->height = height;
-
- return 0;
-}
-
-static int h264_slice_header_init(H264Context *h, int reinit)
-{
- int nb_slices = (HAVE_THREADS &&
- h->avctx->active_thread_type & FF_THREAD_SLICE) ?
- h->avctx->thread_count : 1;
- int i, ret;
-
- h->avctx->sample_aspect_ratio = h->sps.sar;
- av_assert0(h->avctx->sample_aspect_ratio.den);
- av_pix_fmt_get_chroma_sub_sample(h->avctx->pix_fmt,
- &h->chroma_x_shift, &h->chroma_y_shift);
-
- if (h->sps.timing_info_present_flag) {
- int64_t den = h->sps.time_scale;
- if (h->x264_build < 44U)
- den *= 2;
- av_reduce(&h->avctx->time_base.num, &h->avctx->time_base.den,
- h->sps.num_units_in_tick, den, 1 << 30);
- }
-
- h->avctx->hwaccel = ff_find_hwaccel(h->avctx);
-
- if (reinit)
- free_tables(h, 0);
- h->first_field = 0;
- h->prev_interlaced_frame = 1;
-
- init_scan_tables(h);
- ret = ff_h264_alloc_tables(h);
- if (ret < 0) {
- av_log(h->avctx, AV_LOG_ERROR,
- "Could not allocate memory for h264\n");
- return ret;
- }
-
- if (nb_slices > MAX_THREADS || (nb_slices > h->mb_height && h->mb_height)) {
- int max_slices;
- if (h->mb_height)
- max_slices = FFMIN(MAX_THREADS, h->mb_height);
- else
- max_slices = MAX_THREADS;
- av_log(h->avctx, AV_LOG_WARNING, "too many threads/slices (%d),"
- " reducing to %d\n", nb_slices, max_slices);
- nb_slices = max_slices;
- }
- h->slice_context_count = nb_slices;
-
- if (!HAVE_THREADS || !(h->avctx->active_thread_type & FF_THREAD_SLICE)) {
- ret = context_init(h);
- if (ret < 0) {
- av_log(h->avctx, AV_LOG_ERROR, "context_init() failed.\n");
- return ret;
- }
- } else {
- for (i = 1; i < h->slice_context_count; i++) {
- H264Context *c;
- c = h->thread_context[i] = av_mallocz(sizeof(H264Context));
- if (!c)
- return AVERROR(ENOMEM);
- c->avctx = h->avctx;
- c->dsp = h->dsp;
- c->vdsp = h->vdsp;
- c->h264dsp = h->h264dsp;
- c->h264qpel = h->h264qpel;
- c->h264chroma = h->h264chroma;
- c->sps = h->sps;
- c->pps = h->pps;
- c->pixel_shift = h->pixel_shift;
- c->width = h->width;
- c->height = h->height;
- c->linesize = h->linesize;
- c->uvlinesize = h->uvlinesize;
- c->chroma_x_shift = h->chroma_x_shift;
- c->chroma_y_shift = h->chroma_y_shift;
- c->qscale = h->qscale;
- c->droppable = h->droppable;
- c->data_partitioning = h->data_partitioning;
- c->low_delay = h->low_delay;
- c->mb_width = h->mb_width;
- c->mb_height = h->mb_height;
- c->mb_stride = h->mb_stride;
- c->mb_num = h->mb_num;
- c->flags = h->flags;
- c->workaround_bugs = h->workaround_bugs;
- c->pict_type = h->pict_type;
-
- init_scan_tables(c);
- clone_tables(c, h, i);
- c->context_initialized = 1;
- }
-
- for (i = 0; i < h->slice_context_count; i++)
- if ((ret = context_init(h->thread_context[i])) < 0) {
- av_log(h->avctx, AV_LOG_ERROR, "context_init() failed.\n");
- return ret;
- }
- }
-
- h->context_initialized = 1;
-
- return 0;
-}
-
-int ff_set_ref_count(H264Context *h)
+int ff_set_ref_count(H264Context *h, H264SliceContext *sl)
{
int ref_count[2], list_count;
int num_ref_idx_active_override_flag, max_refs;
ref_count[0] = h->pps.ref_count[0];
ref_count[1] = h->pps.ref_count[1];
- if (h->slice_type_nos != AV_PICTURE_TYPE_I) {
- if (h->slice_type_nos == AV_PICTURE_TYPE_B)
- h->direct_spatial_mv_pred = get_bits1(&h->gb);
- num_ref_idx_active_override_flag = get_bits1(&h->gb);
+ if (sl->slice_type_nos != AV_PICTURE_TYPE_I) {
+ if (sl->slice_type_nos == AV_PICTURE_TYPE_B)
+ sl->direct_spatial_mv_pred = get_bits1(&sl->gb);
+ num_ref_idx_active_override_flag = get_bits1(&sl->gb);
if (num_ref_idx_active_override_flag) {
- ref_count[0] = get_ue_golomb(&h->gb) + 1;
+ ref_count[0] = get_ue_golomb(&sl->gb) + 1;
if (ref_count[0] < 1)
return AVERROR_INVALIDDATA;
- if (h->slice_type_nos == AV_PICTURE_TYPE_B) {
- ref_count[1] = get_ue_golomb(&h->gb) + 1;
+ if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {
+ ref_count[1] = get_ue_golomb(&sl->gb) + 1;
if (ref_count[1] < 1)
return AVERROR_INVALIDDATA;
}
}
- if (h->slice_type_nos == AV_PICTURE_TYPE_B)
+ if (sl->slice_type_nos == AV_PICTURE_TYPE_B)
list_count = 2;
else
list_count = 1;
if (ref_count[0] > max_refs || ref_count[1] > max_refs) {
av_log(h->avctx, AV_LOG_ERROR, "reference overflow\n");
- h->ref_count[0] = h->ref_count[1] = 0;
+ sl->ref_count[0] = sl->ref_count[1] = 0;
return AVERROR_INVALIDDATA;
}
- if (list_count != h->list_count ||
- ref_count[0] != h->ref_count[0] ||
- ref_count[1] != h->ref_count[1]) {
- h->ref_count[0] = ref_count[0];
- h->ref_count[1] = ref_count[1];
- h->list_count = list_count;
+ if (list_count != sl->list_count ||
+ ref_count[0] != sl->ref_count[0] ||
+ ref_count[1] != sl->ref_count[1]) {
+ sl->ref_count[0] = ref_count[0];
+ sl->ref_count[1] = ref_count[1];
+ sl->list_count = list_count;
return 1;
}
return 0;
}
-/**
- * Decode a slice header.
- * This will also call ff_MPV_common_init() and frame_start() as needed.
- *
- * @param h h264context
- * @param h0 h264 master context (differs from 'h' when doing sliced based
- * parallel decoding)
- *
- * @return 0 if okay, <0 if an error occurred, 1 if decoding must not be multithreaded
- */
-static int decode_slice_header(H264Context *h, H264Context *h0)
+static int find_start_code(const uint8_t *buf, int buf_size,
+ int buf_index, int next_avc)
{
- unsigned int first_mb_in_slice;
- unsigned int pps_id;
- int ret;
- unsigned int slice_type, tmp, i, j;
- int default_ref_list_done = 0;
- int last_pic_structure, last_pic_droppable;
- int needs_reinit = 0;
- int field_pic_flag, bottom_field_flag;
-
- h->me.qpel_put = h->h264qpel.put_h264_qpel_pixels_tab;
- h->me.qpel_avg = h->h264qpel.avg_h264_qpel_pixels_tab;
-
- first_mb_in_slice = get_ue_golomb(&h->gb);
-
- if (first_mb_in_slice == 0) { // FIXME better field boundary detection
- if (h0->current_slice && h->cur_pic_ptr && FIELD_PICTURE(h)) {
- field_end(h, 1);
- }
-
- h0->current_slice = 0;
- if (!h0->first_field) {
- if (h->cur_pic_ptr && !h->droppable) {
- ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
- h->picture_structure == PICT_BOTTOM_FIELD);
- }
- h->cur_pic_ptr = NULL;
- }
- }
-
- slice_type = get_ue_golomb_31(&h->gb);
- if (slice_type > 9) {
- av_log(h->avctx, AV_LOG_ERROR,
- "slice type too large (%d) at %d %d\n",
- h->slice_type, h->mb_x, h->mb_y);
- return AVERROR_INVALIDDATA;
- }
- if (slice_type > 4) {
- slice_type -= 5;
- h->slice_type_fixed = 1;
- } else
- h->slice_type_fixed = 0;
-
- slice_type = golomb_to_pict_type[slice_type];
- if (slice_type == AV_PICTURE_TYPE_I ||
- (h0->current_slice != 0 && slice_type == h0->last_slice_type)) {
- default_ref_list_done = 1;
- }
- h->slice_type = slice_type;
- h->slice_type_nos = slice_type & 3;
-
- // to make a few old functions happy, it's wrong though
- h->pict_type = h->slice_type;
-
- pps_id = get_ue_golomb(&h->gb);
- if (pps_id >= MAX_PPS_COUNT) {
- av_log(h->avctx, AV_LOG_ERROR, "pps_id out of range\n");
- return AVERROR_INVALIDDATA;
- }
- if (!h0->pps_buffers[pps_id]) {
- av_log(h->avctx, AV_LOG_ERROR,
- "non-existing PPS %u referenced\n",
- pps_id);
- return AVERROR_INVALIDDATA;
- }
- h->pps = *h0->pps_buffers[pps_id];
-
- if (!h0->sps_buffers[h->pps.sps_id]) {
- av_log(h->avctx, AV_LOG_ERROR,
- "non-existing SPS %u referenced\n",
- h->pps.sps_id);
- return AVERROR_INVALIDDATA;
- }
-
- if (h->pps.sps_id != h->current_sps_id ||
- h0->sps_buffers[h->pps.sps_id]->new) {
- h0->sps_buffers[h->pps.sps_id]->new = 0;
-
- h->current_sps_id = h->pps.sps_id;
- h->sps = *h0->sps_buffers[h->pps.sps_id];
-
- if (h->bit_depth_luma != h->sps.bit_depth_luma ||
- h->chroma_format_idc != h->sps.chroma_format_idc) {
- h->bit_depth_luma = h->sps.bit_depth_luma;
- h->chroma_format_idc = h->sps.chroma_format_idc;
- needs_reinit = 1;
- }
- if ((ret = h264_set_parameter_from_sps(h)) < 0)
- return ret;
- }
-
- h->avctx->profile = ff_h264_get_profile(&h->sps);
- h->avctx->level = h->sps.level_idc;
- h->avctx->refs = h->sps.ref_frame_count;
-
- if (h->mb_width != h->sps.mb_width ||
- h->mb_height != h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag))
- needs_reinit = 1;
-
- h->mb_width = h->sps.mb_width;
- h->mb_height = h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag);
- h->mb_num = h->mb_width * h->mb_height;
- h->mb_stride = h->mb_width + 1;
-
- h->b_stride = h->mb_width * 4;
-
- h->chroma_y_shift = h->sps.chroma_format_idc <= 1; // 400 uses yuv420p
-
- h->width = 16 * h->mb_width;
- h->height = 16 * h->mb_height;
-
- ret = init_dimensions(h);
- if (ret < 0)
- return ret;
-
- if (h->sps.video_signal_type_present_flag) {
- h->avctx->color_range = h->sps.full_range ? AVCOL_RANGE_JPEG
- : AVCOL_RANGE_MPEG;
- if (h->sps.colour_description_present_flag) {
- if (h->avctx->colorspace != h->sps.colorspace)
- needs_reinit = 1;
- h->avctx->color_primaries = h->sps.color_primaries;
- h->avctx->color_trc = h->sps.color_trc;
- h->avctx->colorspace = h->sps.colorspace;
- }
- }
-
- if (h->context_initialized &&
- (h->width != h->avctx->coded_width ||
- h->height != h->avctx->coded_height ||
- needs_reinit)) {
- if (h != h0) {
- av_log(h->avctx, AV_LOG_ERROR, "changing width/height on "
- "slice %d\n", h0->current_slice + 1);
- return AVERROR_INVALIDDATA;
- }
-
- flush_change(h);
-
- if ((ret = get_pixel_format(h)) < 0)
- return ret;
- h->avctx->pix_fmt = ret;
-
- av_log(h->avctx, AV_LOG_INFO, "Reinit context to %dx%d, "
- "pix_fmt: %d\n", h->width, h->height, h->avctx->pix_fmt);
-
- if ((ret = h264_slice_header_init(h, 1)) < 0) {
- av_log(h->avctx, AV_LOG_ERROR,
- "h264_slice_header_init() failed\n");
- return ret;
- }
- }
- if (!h->context_initialized) {
- if (h != h0) {
- av_log(h->avctx, AV_LOG_ERROR,
- "Cannot (re-)initialize context during parallel decoding.\n");
- return AVERROR_PATCHWELCOME;
- }
-
- if ((ret = get_pixel_format(h)) < 0)
- return ret;
- h->avctx->pix_fmt = ret;
-
- if ((ret = h264_slice_header_init(h, 0)) < 0) {
- av_log(h->avctx, AV_LOG_ERROR,
- "h264_slice_header_init() failed\n");
- return ret;
- }
- }
-
- if (h == h0 && h->dequant_coeff_pps != pps_id) {
- h->dequant_coeff_pps = pps_id;
- init_dequant_tables(h);
- }
-
- h->frame_num = get_bits(&h->gb, h->sps.log2_max_frame_num);
-
- h->mb_mbaff = 0;
- h->mb_aff_frame = 0;
- last_pic_structure = h0->picture_structure;
- last_pic_droppable = h0->droppable;
- h->droppable = h->nal_ref_idc == 0;
- if (h->sps.frame_mbs_only_flag) {
- h->picture_structure = PICT_FRAME;
- } else {
- field_pic_flag = get_bits1(&h->gb);
- if (field_pic_flag) {
- bottom_field_flag = get_bits1(&h->gb);
- h->picture_structure = PICT_TOP_FIELD + bottom_field_flag;
- } else {
- h->picture_structure = PICT_FRAME;
- h->mb_aff_frame = h->sps.mb_aff;
- }
- }
- h->mb_field_decoding_flag = h->picture_structure != PICT_FRAME;
-
- if (h0->current_slice != 0) {
- if (last_pic_structure != h->picture_structure ||
- last_pic_droppable != h->droppable) {
- av_log(h->avctx, AV_LOG_ERROR,
- "Changing field mode (%d -> %d) between slices is not allowed\n",
- last_pic_structure, h->picture_structure);
- h->picture_structure = last_pic_structure;
- h->droppable = last_pic_droppable;
- return AVERROR_INVALIDDATA;
- } else if (!h0->cur_pic_ptr) {
- av_log(h->avctx, AV_LOG_ERROR,
- "unset cur_pic_ptr on %d. slice\n",
- h0->current_slice + 1);
- return AVERROR_INVALIDDATA;
- }
- } else {
- /* Shorten frame num gaps so we don't have to allocate reference
- * frames just to throw them away */
- if (h->frame_num != h->prev_frame_num) {
- int unwrap_prev_frame_num = h->prev_frame_num;
- int max_frame_num = 1 << h->sps.log2_max_frame_num;
-
- if (unwrap_prev_frame_num > h->frame_num)
- unwrap_prev_frame_num -= max_frame_num;
-
- if ((h->frame_num - unwrap_prev_frame_num) > h->sps.ref_frame_count) {
- unwrap_prev_frame_num = (h->frame_num - h->sps.ref_frame_count) - 1;
- if (unwrap_prev_frame_num < 0)
- unwrap_prev_frame_num += max_frame_num;
-
- h->prev_frame_num = unwrap_prev_frame_num;
- }
- }
-
- /* See if we have a decoded first field looking for a pair...
- * Here, we're using that to see if we should mark previously
- * decode frames as "finished".
- * We have to do that before the "dummy" in-between frame allocation,
- * since that can modify s->current_picture_ptr. */
- if (h0->first_field) {
- assert(h0->cur_pic_ptr);
- assert(h0->cur_pic_ptr->f.buf[0]);
- assert(h0->cur_pic_ptr->reference != DELAYED_PIC_REF);
-
- /* figure out if we have a complementary field pair */
- if (!FIELD_PICTURE(h) || h->picture_structure == last_pic_structure) {
- /* Previous field is unmatched. Don't display it, but let it
- * remain for reference if marked as such. */
- if (!last_pic_droppable && last_pic_structure != PICT_FRAME) {
- ff_thread_report_progress(&h0->cur_pic_ptr->tf, INT_MAX,
- last_pic_structure == PICT_TOP_FIELD);
- }
- } else {
- if (h0->cur_pic_ptr->frame_num != h->frame_num) {
- /* This and previous field were reference, but had
- * different frame_nums. Consider this field first in
- * pair. Throw away previous field except for reference
- * purposes. */
- if (!last_pic_droppable && last_pic_structure != PICT_FRAME) {
- ff_thread_report_progress(&h0->cur_pic_ptr->tf, INT_MAX,
- last_pic_structure == PICT_TOP_FIELD);
- }
- } else {
- /* Second field in complementary pair */
- if (!((last_pic_structure == PICT_TOP_FIELD &&
- h->picture_structure == PICT_BOTTOM_FIELD) ||
- (last_pic_structure == PICT_BOTTOM_FIELD &&
- h->picture_structure == PICT_TOP_FIELD))) {
- av_log(h->avctx, AV_LOG_ERROR,
- "Invalid field mode combination %d/%d\n",
- last_pic_structure, h->picture_structure);
- h->picture_structure = last_pic_structure;
- h->droppable = last_pic_droppable;
- return AVERROR_INVALIDDATA;
- } else if (last_pic_droppable != h->droppable) {
- avpriv_request_sample(h->avctx,
- "Found reference and non-reference fields in the same frame, which");
- h->picture_structure = last_pic_structure;
- h->droppable = last_pic_droppable;
- return AVERROR_PATCHWELCOME;
- }
- }
- }
- }
-
- while (h->frame_num != h->prev_frame_num &&
- h->frame_num != (h->prev_frame_num + 1) % (1 << h->sps.log2_max_frame_num)) {
- Picture *prev = h->short_ref_count ? h->short_ref[0] : NULL;
- av_log(h->avctx, AV_LOG_DEBUG, "Frame num gap %d %d\n",
- h->frame_num, h->prev_frame_num);
- ret = h264_frame_start(h);
- if (ret < 0) {
- h0->first_field = 0;
- return ret;
- }
-
- h->prev_frame_num++;
- h->prev_frame_num %= 1 << h->sps.log2_max_frame_num;
- h->cur_pic_ptr->frame_num = h->prev_frame_num;
- ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 0);
- ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 1);
- ret = ff_generate_sliding_window_mmcos(h, 1);
- if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
- return ret;
- ret = ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index);
- if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
- return ret;
- /* Error concealment: If a ref is missing, copy the previous ref
- * in its place.
- * FIXME: Avoiding a memcpy would be nice, but ref handling makes
- * many assumptions about there being no actual duplicates.
- * FIXME: This does not copy padding for out-of-frame motion
- * vectors. Given we are concealing a lost frame, this probably
- * is not noticeable by comparison, but it should be fixed. */
- if (h->short_ref_count) {
- if (prev) {
- av_image_copy(h->short_ref[0]->f.data,
- h->short_ref[0]->f.linesize,
- (const uint8_t **)prev->f.data,
- prev->f.linesize,
- h->avctx->pix_fmt,
- h->mb_width * 16,
- h->mb_height * 16);
- h->short_ref[0]->poc = prev->poc + 2;
- }
- h->short_ref[0]->frame_num = h->prev_frame_num;
- }
- }
-
- /* See if we have a decoded first field looking for a pair...
- * We're using that to see whether to continue decoding in that
- * frame, or to allocate a new one. */
- if (h0->first_field) {
- assert(h0->cur_pic_ptr);
- assert(h0->cur_pic_ptr->f.buf[0]);
- assert(h0->cur_pic_ptr->reference != DELAYED_PIC_REF);
-
- /* figure out if we have a complementary field pair */
- if (!FIELD_PICTURE(h) || h->picture_structure == last_pic_structure) {
- /* Previous field is unmatched. Don't display it, but let it
- * remain for reference if marked as such. */
- h0->cur_pic_ptr = NULL;
- h0->first_field = FIELD_PICTURE(h);
- } else {
- if (h0->cur_pic_ptr->frame_num != h->frame_num) {
- /* This and the previous field had different frame_nums.
- * Consider this field first in pair. Throw away previous
- * one except for reference purposes. */
- h0->first_field = 1;
- h0->cur_pic_ptr = NULL;
- } else {
- /* Second field in complementary pair */
- h0->first_field = 0;
- }
- }
- } else {
- /* Frame or first field in a potentially complementary pair */
- h0->first_field = FIELD_PICTURE(h);
- }
-
- if (!FIELD_PICTURE(h) || h0->first_field) {
- if (h264_frame_start(h) < 0) {
- h0->first_field = 0;
- return AVERROR_INVALIDDATA;
- }
- } else {
- release_unused_pictures(h, 0);
- }
- }
- if (h != h0 && (ret = clone_slice(h, h0)) < 0)
- return ret;
-
- h->cur_pic_ptr->frame_num = h->frame_num; // FIXME frame_num cleanup
-
- assert(h->mb_num == h->mb_width * h->mb_height);
- if (first_mb_in_slice << FIELD_OR_MBAFF_PICTURE(h) >= h->mb_num ||
- first_mb_in_slice >= h->mb_num) {
- av_log(h->avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\n");
- return AVERROR_INVALIDDATA;
- }
- h->resync_mb_x = h->mb_x = first_mb_in_slice % h->mb_width;
- h->resync_mb_y = h->mb_y = (first_mb_in_slice / h->mb_width) <<
- FIELD_OR_MBAFF_PICTURE(h);
- if (h->picture_structure == PICT_BOTTOM_FIELD)
- h->resync_mb_y = h->mb_y = h->mb_y + 1;
- assert(h->mb_y < h->mb_height);
-
- if (h->picture_structure == PICT_FRAME) {
- h->curr_pic_num = h->frame_num;
- h->max_pic_num = 1 << h->sps.log2_max_frame_num;
- } else {
- h->curr_pic_num = 2 * h->frame_num + 1;
- h->max_pic_num = 1 << (h->sps.log2_max_frame_num + 1);
- }
-
- if (h->nal_unit_type == NAL_IDR_SLICE)
- get_ue_golomb(&h->gb); /* idr_pic_id */
-
- if (h->sps.poc_type == 0) {
- h->poc_lsb = get_bits(&h->gb, h->sps.log2_max_poc_lsb);
-
- if (h->pps.pic_order_present == 1 && h->picture_structure == PICT_FRAME)
- h->delta_poc_bottom = get_se_golomb(&h->gb);
- }
-
- if (h->sps.poc_type == 1 && !h->sps.delta_pic_order_always_zero_flag) {
- h->delta_poc[0] = get_se_golomb(&h->gb);
-
- if (h->pps.pic_order_present == 1 && h->picture_structure == PICT_FRAME)
- h->delta_poc[1] = get_se_golomb(&h->gb);
- }
-
- ff_init_poc(h, h->cur_pic_ptr->field_poc, &h->cur_pic_ptr->poc);
-
- if (h->pps.redundant_pic_cnt_present)
- h->redundant_pic_count = get_ue_golomb(&h->gb);
-
- ret = ff_set_ref_count(h);
- if (ret < 0)
- return ret;
- else if (ret == 1)
- default_ref_list_done = 0;
-
- if (!default_ref_list_done)
- ff_h264_fill_default_ref_list(h);
-
- if (h->slice_type_nos != AV_PICTURE_TYPE_I) {
- ret = ff_h264_decode_ref_pic_list_reordering(h);
- if (ret < 0) {
- h->ref_count[1] = h->ref_count[0] = 0;
- return ret;
- }
- }
-
- if ((h->pps.weighted_pred && h->slice_type_nos == AV_PICTURE_TYPE_P) ||
- (h->pps.weighted_bipred_idc == 1 &&
- h->slice_type_nos == AV_PICTURE_TYPE_B))
- ff_pred_weight_table(h);
- else if (h->pps.weighted_bipred_idc == 2 &&
- h->slice_type_nos == AV_PICTURE_TYPE_B) {
- implicit_weight_table(h, -1);
- } else {
- h->use_weight = 0;
- for (i = 0; i < 2; i++) {
- h->luma_weight_flag[i] = 0;
- h->chroma_weight_flag[i] = 0;
- }
- }
-
- // If frame-mt is enabled, only update mmco tables for the first slice
- // in a field. Subsequent slices can temporarily clobber h->mmco_index
- // or h->mmco, which will cause ref list mix-ups and decoding errors
- // further down the line. This may break decoding if the first slice is
- // corrupt, thus we only do this if frame-mt is enabled.
- if (h->nal_ref_idc) {
- ret = ff_h264_decode_ref_pic_marking(h0, &h->gb,
- !(h->avctx->active_thread_type & FF_THREAD_FRAME) ||
- h0->current_slice == 0);
- if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
- return AVERROR_INVALIDDATA;
- }
-
- if (FRAME_MBAFF(h)) {
- ff_h264_fill_mbaff_ref_list(h);
-
- if (h->pps.weighted_bipred_idc == 2 && h->slice_type_nos == AV_PICTURE_TYPE_B) {
- implicit_weight_table(h, 0);
- implicit_weight_table(h, 1);
- }
- }
-
- if (h->slice_type_nos == AV_PICTURE_TYPE_B && !h->direct_spatial_mv_pred)
- ff_h264_direct_dist_scale_factor(h);
- ff_h264_direct_ref_list_init(h);
-
- if (h->slice_type_nos != AV_PICTURE_TYPE_I && h->pps.cabac) {
- tmp = get_ue_golomb_31(&h->gb);
- if (tmp > 2) {
- av_log(h->avctx, AV_LOG_ERROR, "cabac_init_idc overflow\n");
- return AVERROR_INVALIDDATA;
- }
- h->cabac_init_idc = tmp;
- }
-
- h->last_qscale_diff = 0;
- tmp = h->pps.init_qp + get_se_golomb(&h->gb);
- if (tmp > 51 + 6 * (h->sps.bit_depth_luma - 8)) {
- av_log(h->avctx, AV_LOG_ERROR, "QP %u out of range\n", tmp);
- return AVERROR_INVALIDDATA;
- }
- h->qscale = tmp;
- h->chroma_qp[0] = get_chroma_qp(h, 0, h->qscale);
- h->chroma_qp[1] = get_chroma_qp(h, 1, h->qscale);
- // FIXME qscale / qp ... stuff
- if (h->slice_type == AV_PICTURE_TYPE_SP)
- get_bits1(&h->gb); /* sp_for_switch_flag */
- if (h->slice_type == AV_PICTURE_TYPE_SP ||
- h->slice_type == AV_PICTURE_TYPE_SI)
- get_se_golomb(&h->gb); /* slice_qs_delta */
-
- h->deblocking_filter = 1;
- h->slice_alpha_c0_offset = 52;
- h->slice_beta_offset = 52;
- if (h->pps.deblocking_filter_parameters_present) {
- tmp = get_ue_golomb_31(&h->gb);
- if (tmp > 2) {
- av_log(h->avctx, AV_LOG_ERROR,
- "deblocking_filter_idc %u out of range\n", tmp);
- return AVERROR_INVALIDDATA;
- }
- h->deblocking_filter = tmp;
- if (h->deblocking_filter < 2)
- h->deblocking_filter ^= 1; // 1<->0
-
- if (h->deblocking_filter) {
- h->slice_alpha_c0_offset += get_se_golomb(&h->gb) << 1;
- h->slice_beta_offset += get_se_golomb(&h->gb) << 1;
- if (h->slice_alpha_c0_offset > 104U ||
- h->slice_beta_offset > 104U) {
- av_log(h->avctx, AV_LOG_ERROR,
- "deblocking filter parameters %d %d out of range\n",
- h->slice_alpha_c0_offset, h->slice_beta_offset);
- return AVERROR_INVALIDDATA;
- }
- }
- }
-
- if (h->avctx->skip_loop_filter >= AVDISCARD_ALL ||
- (h->avctx->skip_loop_filter >= AVDISCARD_NONKEY &&
- h->slice_type_nos != AV_PICTURE_TYPE_I) ||
- (h->avctx->skip_loop_filter >= AVDISCARD_BIDIR &&
- h->slice_type_nos == AV_PICTURE_TYPE_B) ||
- (h->avctx->skip_loop_filter >= AVDISCARD_NONREF &&
- h->nal_ref_idc == 0))
- h->deblocking_filter = 0;
-
- if (h->deblocking_filter == 1 && h0->max_contexts > 1) {
- if (h->avctx->flags2 & CODEC_FLAG2_FAST) {
- /* Cheat slightly for speed:
- * Do not bother to deblock across slices. */
- h->deblocking_filter = 2;
- } else {
- h0->max_contexts = 1;
- if (!h0->single_decode_warning) {
- av_log(h->avctx, AV_LOG_INFO,
- "Cannot parallelize deblocking type 1, decoding such frames in sequential order\n");
- h0->single_decode_warning = 1;
- }
- if (h != h0) {
- av_log(h->avctx, AV_LOG_ERROR,
- "Deblocking switched inside frame.\n");
- return 1;
- }
- }
- }
- h->qp_thresh = 15 + 52 -
- FFMIN(h->slice_alpha_c0_offset, h->slice_beta_offset) -
- FFMAX3(0,
- h->pps.chroma_qp_index_offset[0],
- h->pps.chroma_qp_index_offset[1]) +
- 6 * (h->sps.bit_depth_luma - 8);
-
- h0->last_slice_type = slice_type;
- h->slice_num = ++h0->current_slice;
- if (h->slice_num >= MAX_SLICES) {
- av_log(h->avctx, AV_LOG_ERROR,
- "Too many slices, increase MAX_SLICES and recompile\n");
- }
-
- for (j = 0; j < 2; j++) {
- int id_list[16];
- int *ref2frm = h->ref2frm[h->slice_num & (MAX_SLICES - 1)][j];
- for (i = 0; i < 16; i++) {
- id_list[i] = 60;
- if (j < h->list_count && i < h->ref_count[j] &&
- h->ref_list[j][i].f.buf[0]) {
- int k;
- AVBuffer *buf = h->ref_list[j][i].f.buf[0]->buffer;
- for (k = 0; k < h->short_ref_count; k++)
- if (h->short_ref[k]->f.buf[0]->buffer == buf) {
- id_list[i] = k;
- break;
- }
- for (k = 0; k < h->long_ref_count; k++)
- if (h->long_ref[k] && h->long_ref[k]->f.buf[0]->buffer == buf) {
- id_list[i] = h->short_ref_count + k;
- break;
- }
- }
- }
-
- ref2frm[0] =
- ref2frm[1] = -1;
- for (i = 0; i < 16; i++)
- ref2frm[i + 2] = 4 * id_list[i] + (h->ref_list[j][i].reference & 3);
- ref2frm[18 + 0] =
- ref2frm[18 + 1] = -1;
- for (i = 16; i < 48; i++)
- ref2frm[i + 4] = 4 * id_list[(i - 16) >> 1] +
- (h->ref_list[j][i].reference & 3);
- }
+ // start code prefix search
+ for (; buf_index + 3 < next_avc; buf_index++)
+ // This should always succeed in the first iteration.
+ if (buf[buf_index] == 0 &&
+ buf[buf_index + 1] == 0 &&
+ buf[buf_index + 2] == 1)
+ break;
- if (h->avctx->debug & FF_DEBUG_PICT_INFO) {
- av_log(h->avctx, AV_LOG_DEBUG,
- "slice:%d %s mb:%d %c%s%s pps:%u frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s %s\n",
- h->slice_num,
- (h->picture_structure == PICT_FRAME ? "F" : h->picture_structure == PICT_TOP_FIELD ? "T" : "B"),
- first_mb_in_slice,
- av_get_picture_type_char(h->slice_type),
- h->slice_type_fixed ? " fix" : "",
- h->nal_unit_type == NAL_IDR_SLICE ? " IDR" : "",
- pps_id, h->frame_num,
- h->cur_pic_ptr->field_poc[0],
- h->cur_pic_ptr->field_poc[1],
- h->ref_count[0], h->ref_count[1],
- h->qscale,
- h->deblocking_filter,
- h->slice_alpha_c0_offset / 2 - 26, h->slice_beta_offset / 2 - 26,
- h->use_weight,
- h->use_weight == 1 && h->use_weight_chroma ? "c" : "",
- h->slice_type == AV_PICTURE_TYPE_B ? (h->direct_spatial_mv_pred ? "SPAT" : "TEMP") : "");
- }
+ if (buf_index + 3 >= buf_size)
+ return buf_size;
- return 0;
-}
-
-int ff_h264_get_slice_type(const H264Context *h)
-{
- switch (h->slice_type) {
- case AV_PICTURE_TYPE_P:
- return 0;
- case AV_PICTURE_TYPE_B:
- return 1;
- case AV_PICTURE_TYPE_I:
- return 2;
- case AV_PICTURE_TYPE_SP:
- return 3;
- case AV_PICTURE_TYPE_SI:
- return 4;
- default:
- return AVERROR_INVALIDDATA;
- }
+ return buf_index + 3;
}
-static av_always_inline void fill_filter_caches_inter(H264Context *h,
- int mb_type, int top_xy,
- int left_xy[LEFT_MBS],
- int top_type,
- int left_type[LEFT_MBS],
- int mb_xy, int list)
+static int get_avc_nalsize(H264Context *h, const uint8_t *buf,
+ int buf_size, int *buf_index)
{
- int b_stride = h->b_stride;
- int16_t(*mv_dst)[2] = &h->mv_cache[list][scan8[0]];
- int8_t *ref_cache = &h->ref_cache[list][scan8[0]];
- if (IS_INTER(mb_type) || IS_DIRECT(mb_type)) {
- if (USES_LIST(top_type, list)) {
- const int b_xy = h->mb2b_xy[top_xy] + 3 * b_stride;
- const int b8_xy = 4 * top_xy + 2;
- int (*ref2frm)[64] = h->ref2frm[h->slice_table[top_xy] & (MAX_SLICES - 1)][0] + (MB_MBAFF(h) ? 20 : 2);
- AV_COPY128(mv_dst - 1 * 8, h->cur_pic.motion_val[list][b_xy + 0]);
- ref_cache[0 - 1 * 8] =
- ref_cache[1 - 1 * 8] = ref2frm[list][h->cur_pic.ref_index[list][b8_xy + 0]];
- ref_cache[2 - 1 * 8] =
- ref_cache[3 - 1 * 8] = ref2frm[list][h->cur_pic.ref_index[list][b8_xy + 1]];
- } else {
- AV_ZERO128(mv_dst - 1 * 8);
- AV_WN32A(&ref_cache[0 - 1 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u);
- }
+ int i, nalsize = 0;
- if (!IS_INTERLACED(mb_type ^ left_type[LTOP])) {
- if (USES_LIST(left_type[LTOP], list)) {
- const int b_xy = h->mb2b_xy[left_xy[LTOP]] + 3;
- const int b8_xy = 4 * left_xy[LTOP] + 1;
- int (*ref2frm)[64] = h->ref2frm[h->slice_table[left_xy[LTOP]] & (MAX_SLICES - 1)][0] + (MB_MBAFF(h) ? 20 : 2);
- AV_COPY32(mv_dst - 1 + 0, h->cur_pic.motion_val[list][b_xy + b_stride * 0]);
- AV_COPY32(mv_dst - 1 + 8, h->cur_pic.motion_val[list][b_xy + b_stride * 1]);
- AV_COPY32(mv_dst - 1 + 16, h->cur_pic.motion_val[list][b_xy + b_stride * 2]);
- AV_COPY32(mv_dst - 1 + 24, h->cur_pic.motion_val[list][b_xy + b_stride * 3]);
- ref_cache[-1 + 0] =
- ref_cache[-1 + 8] = ref2frm[list][h->cur_pic.ref_index[list][b8_xy + 2 * 0]];
- ref_cache[-1 + 16] =
- ref_cache[-1 + 24] = ref2frm[list][h->cur_pic.ref_index[list][b8_xy + 2 * 1]];
- } else {
- AV_ZERO32(mv_dst - 1 + 0);
- AV_ZERO32(mv_dst - 1 + 8);
- AV_ZERO32(mv_dst - 1 + 16);
- AV_ZERO32(mv_dst - 1 + 24);
- ref_cache[-1 + 0] =
- ref_cache[-1 + 8] =
- ref_cache[-1 + 16] =
- ref_cache[-1 + 24] = LIST_NOT_USED;
- }
- }
- }
-
- if (!USES_LIST(mb_type, list)) {
- fill_rectangle(mv_dst, 4, 4, 8, pack16to32(0, 0), 4);
- AV_WN32A(&ref_cache[0 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u);
- AV_WN32A(&ref_cache[1 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u);
- AV_WN32A(&ref_cache[2 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u);
- AV_WN32A(&ref_cache[3 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u);
- return;
- }
-
- {
- int8_t *ref = &h->cur_pic.ref_index[list][4 * mb_xy];
- int (*ref2frm)[64] = h->ref2frm[h->slice_num & (MAX_SLICES - 1)][0] + (MB_MBAFF(h) ? 20 : 2);
- uint32_t ref01 = (pack16to32(ref2frm[list][ref[0]], ref2frm[list][ref[1]]) & 0x00FF00FF) * 0x0101;
- uint32_t ref23 = (pack16to32(ref2frm[list][ref[2]], ref2frm[list][ref[3]]) & 0x00FF00FF) * 0x0101;
- AV_WN32A(&ref_cache[0 * 8], ref01);
- AV_WN32A(&ref_cache[1 * 8], ref01);
- AV_WN32A(&ref_cache[2 * 8], ref23);
- AV_WN32A(&ref_cache[3 * 8], ref23);
- }
+ if (*buf_index >= buf_size - h->nal_length_size)
+ return -1;
- {
- int16_t(*mv_src)[2] = &h->cur_pic.motion_val[list][4 * h->mb_x + 4 * h->mb_y * b_stride];
- AV_COPY128(mv_dst + 8 * 0, mv_src + 0 * b_stride);
- AV_COPY128(mv_dst + 8 * 1, mv_src + 1 * b_stride);
- AV_COPY128(mv_dst + 8 * 2, mv_src + 2 * b_stride);
- AV_COPY128(mv_dst + 8 * 3, mv_src + 3 * b_stride);
+ for (i = 0; i < h->nal_length_size; i++)
+ nalsize = (nalsize << 8) | buf[(*buf_index)++];
+ if (nalsize <= 0 || nalsize > buf_size - *buf_index) {
+ av_log(h->avctx, AV_LOG_ERROR,
+ "AVC: nal size %d\n", nalsize);
+ return -1;
}
+ return nalsize;
}
-/**
- *
- * @return non zero if the loop filter can be skipped
- */
-static int fill_filter_caches(H264Context *h, int mb_type)
+static int get_bit_length(H264Context *h, const uint8_t *buf,
+ const uint8_t *ptr, int dst_length,
+ int i, int next_avc)
{
- const int mb_xy = h->mb_xy;
- int top_xy, left_xy[LEFT_MBS];
- int top_type, left_type[LEFT_MBS];
- uint8_t *nnz;
- uint8_t *nnz_cache;
-
- top_xy = mb_xy - (h->mb_stride << MB_FIELD(h));
-
- /* Wow, what a mess, why didn't they simplify the interlacing & intra
- * stuff, I can't imagine that these complex rules are worth it. */
-
- left_xy[LBOT] = left_xy[LTOP] = mb_xy - 1;
- if (FRAME_MBAFF(h)) {
- const int left_mb_field_flag = IS_INTERLACED(h->cur_pic.mb_type[mb_xy - 1]);
- const int curr_mb_field_flag = IS_INTERLACED(mb_type);
- if (h->mb_y & 1) {
- if (left_mb_field_flag != curr_mb_field_flag)
- left_xy[LTOP] -= h->mb_stride;
- } else {
- if (curr_mb_field_flag)
- top_xy += h->mb_stride &
- (((h->cur_pic.mb_type[top_xy] >> 7) & 1) - 1);
- if (left_mb_field_flag != curr_mb_field_flag)
- left_xy[LBOT] += h->mb_stride;
- }
- }
+ if ((h->workaround_bugs & FF_BUG_AUTODETECT) && i + 3 < next_avc &&
+ buf[i] == 0x00 && buf[i + 1] == 0x00 &&
+ buf[i + 2] == 0x01 && buf[i + 3] == 0xE0)
+ h->workaround_bugs |= FF_BUG_TRUNCATED;
- h->top_mb_xy = top_xy;
- h->left_mb_xy[LTOP] = left_xy[LTOP];
- h->left_mb_xy[LBOT] = left_xy[LBOT];
- {
- /* For sufficiently low qp, filtering wouldn't do anything.
- * This is a conservative estimate: could also check beta_offset
- * and more accurate chroma_qp. */
- int qp_thresh = h->qp_thresh; // FIXME strictly we should store qp_thresh for each mb of a slice
- int qp = h->cur_pic.qscale_table[mb_xy];
- if (qp <= qp_thresh &&
- (left_xy[LTOP] < 0 ||
- ((qp + h->cur_pic.qscale_table[left_xy[LTOP]] + 1) >> 1) <= qp_thresh) &&
- (top_xy < 0 ||
- ((qp + h->cur_pic.qscale_table[top_xy] + 1) >> 1) <= qp_thresh)) {
- if (!FRAME_MBAFF(h))
- return 1;
- if ((left_xy[LTOP] < 0 ||
- ((qp + h->cur_pic.qscale_table[left_xy[LBOT]] + 1) >> 1) <= qp_thresh) &&
- (top_xy < h->mb_stride ||
- ((qp + h->cur_pic.qscale_table[top_xy - h->mb_stride] + 1) >> 1) <= qp_thresh))
- return 1;
- }
- }
-
- top_type = h->cur_pic.mb_type[top_xy];
- left_type[LTOP] = h->cur_pic.mb_type[left_xy[LTOP]];
- left_type[LBOT] = h->cur_pic.mb_type[left_xy[LBOT]];
- if (h->deblocking_filter == 2) {
- if (h->slice_table[top_xy] != h->slice_num)
- top_type = 0;
- if (h->slice_table[left_xy[LBOT]] != h->slice_num)
- left_type[LTOP] = left_type[LBOT] = 0;
- } else {
- if (h->slice_table[top_xy] == 0xFFFF)
- top_type = 0;
- if (h->slice_table[left_xy[LBOT]] == 0xFFFF)
- left_type[LTOP] = left_type[LBOT] = 0;
- }
- h->top_type = top_type;
- h->left_type[LTOP] = left_type[LTOP];
- h->left_type[LBOT] = left_type[LBOT];
+ if (!(h->workaround_bugs & FF_BUG_TRUNCATED))
+ while (dst_length > 0 && ptr[dst_length - 1] == 0)
+ dst_length--;
- if (IS_INTRA(mb_type))
+ if (!dst_length)
return 0;
- fill_filter_caches_inter(h, mb_type, top_xy, left_xy,
- top_type, left_type, mb_xy, 0);
- if (h->list_count == 2)
- fill_filter_caches_inter(h, mb_type, top_xy, left_xy,
- top_type, left_type, mb_xy, 1);
-
- nnz = h->non_zero_count[mb_xy];
- nnz_cache = h->non_zero_count_cache;
- AV_COPY32(&nnz_cache[4 + 8 * 1], &nnz[0]);
- AV_COPY32(&nnz_cache[4 + 8 * 2], &nnz[4]);
- AV_COPY32(&nnz_cache[4 + 8 * 3], &nnz[8]);
- AV_COPY32(&nnz_cache[4 + 8 * 4], &nnz[12]);
- h->cbp = h->cbp_table[mb_xy];
-
- if (top_type) {
- nnz = h->non_zero_count[top_xy];
- AV_COPY32(&nnz_cache[4 + 8 * 0], &nnz[3 * 4]);
- }
-
- if (left_type[LTOP]) {
- nnz = h->non_zero_count[left_xy[LTOP]];
- nnz_cache[3 + 8 * 1] = nnz[3 + 0 * 4];
- nnz_cache[3 + 8 * 2] = nnz[3 + 1 * 4];
- nnz_cache[3 + 8 * 3] = nnz[3 + 2 * 4];
- nnz_cache[3 + 8 * 4] = nnz[3 + 3 * 4];
- }
-
- /* CAVLC 8x8dct requires NNZ values for residual decoding that differ
- * from what the loop filter needs */
- if (!CABAC(h) && h->pps.transform_8x8_mode) {
- if (IS_8x8DCT(top_type)) {
- nnz_cache[4 + 8 * 0] =
- nnz_cache[5 + 8 * 0] = (h->cbp_table[top_xy] & 0x4000) >> 12;
- nnz_cache[6 + 8 * 0] =
- nnz_cache[7 + 8 * 0] = (h->cbp_table[top_xy] & 0x8000) >> 12;
- }
- if (IS_8x8DCT(left_type[LTOP])) {
- nnz_cache[3 + 8 * 1] =
- nnz_cache[3 + 8 * 2] = (h->cbp_table[left_xy[LTOP]] & 0x2000) >> 12; // FIXME check MBAFF
- }
- if (IS_8x8DCT(left_type[LBOT])) {
- nnz_cache[3 + 8 * 3] =
- nnz_cache[3 + 8 * 4] = (h->cbp_table[left_xy[LBOT]] & 0x8000) >> 12; // FIXME check MBAFF
- }
-
- if (IS_8x8DCT(mb_type)) {
- nnz_cache[scan8[0]] =
- nnz_cache[scan8[1]] =
- nnz_cache[scan8[2]] =
- nnz_cache[scan8[3]] = (h->cbp & 0x1000) >> 12;
-
- nnz_cache[scan8[0 + 4]] =
- nnz_cache[scan8[1 + 4]] =
- nnz_cache[scan8[2 + 4]] =
- nnz_cache[scan8[3 + 4]] = (h->cbp & 0x2000) >> 12;
-
- nnz_cache[scan8[0 + 8]] =
- nnz_cache[scan8[1 + 8]] =
- nnz_cache[scan8[2 + 8]] =
- nnz_cache[scan8[3 + 8]] = (h->cbp & 0x4000) >> 12;
-
- nnz_cache[scan8[0 + 12]] =
- nnz_cache[scan8[1 + 12]] =
- nnz_cache[scan8[2 + 12]] =
- nnz_cache[scan8[3 + 12]] = (h->cbp & 0x8000) >> 12;
- }
- }
-
- return 0;
+ return 8 * dst_length - decode_rbsp_trailing(h, ptr + dst_length - 1);
}
-static void loop_filter(H264Context *h, int start_x, int end_x)
+static int get_last_needed_nal(H264Context *h, const uint8_t *buf, int buf_size)
{
- uint8_t *dest_y, *dest_cb, *dest_cr;
- int linesize, uvlinesize, mb_x, mb_y;
- const int end_mb_y = h->mb_y + FRAME_MBAFF(h);
- const int old_slice_type = h->slice_type;
- const int pixel_shift = h->pixel_shift;
- const int block_h = 16 >> h->chroma_y_shift;
-
- if (h->deblocking_filter) {
- for (mb_x = start_x; mb_x < end_x; mb_x++)
- for (mb_y = end_mb_y - FRAME_MBAFF(h); mb_y <= end_mb_y; mb_y++) {
- int mb_xy, mb_type;
- mb_xy = h->mb_xy = mb_x + mb_y * h->mb_stride;
- h->slice_num = h->slice_table[mb_xy];
- mb_type = h->cur_pic.mb_type[mb_xy];
- h->list_count = h->list_counts[mb_xy];
-
- if (FRAME_MBAFF(h))
- h->mb_mbaff =
- h->mb_field_decoding_flag = !!IS_INTERLACED(mb_type);
-
- h->mb_x = mb_x;
- h->mb_y = mb_y;
- dest_y = h->cur_pic.f.data[0] +
- ((mb_x << pixel_shift) + mb_y * h->linesize) * 16;
- dest_cb = h->cur_pic.f.data[1] +
- (mb_x << pixel_shift) * (8 << CHROMA444(h)) +
- mb_y * h->uvlinesize * block_h;
- dest_cr = h->cur_pic.f.data[2] +
- (mb_x << pixel_shift) * (8 << CHROMA444(h)) +
- mb_y * h->uvlinesize * block_h;
- // FIXME simplify above
-
- if (MB_FIELD(h)) {
- linesize = h->mb_linesize = h->linesize * 2;
- uvlinesize = h->mb_uvlinesize = h->uvlinesize * 2;
- if (mb_y & 1) { // FIXME move out of this function?
- dest_y -= h->linesize * 15;
- dest_cb -= h->uvlinesize * (block_h - 1);
- dest_cr -= h->uvlinesize * (block_h - 1);
- }
- } else {
- linesize = h->mb_linesize = h->linesize;
- uvlinesize = h->mb_uvlinesize = h->uvlinesize;
- }
- backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize,
- uvlinesize, 0);
- if (fill_filter_caches(h, mb_type))
- continue;
- h->chroma_qp[0] = get_chroma_qp(h, 0, h->cur_pic.qscale_table[mb_xy]);
- h->chroma_qp[1] = get_chroma_qp(h, 1, h->cur_pic.qscale_table[mb_xy]);
-
- if (FRAME_MBAFF(h)) {
- ff_h264_filter_mb(h, mb_x, mb_y, dest_y, dest_cb, dest_cr,
- linesize, uvlinesize);
- } else {
- ff_h264_filter_mb_fast(h, mb_x, mb_y, dest_y, dest_cb,
- dest_cr, linesize, uvlinesize);
- }
- }
- }
- h->slice_type = old_slice_type;
- h->mb_x = end_x;
- h->mb_y = end_mb_y - FRAME_MBAFF(h);
- h->chroma_qp[0] = get_chroma_qp(h, 0, h->qscale);
- h->chroma_qp[1] = get_chroma_qp(h, 1, h->qscale);
-}
+ int next_avc = h->is_avc ? 0 : buf_size;
+ int nal_index = 0;
+ int buf_index = 0;
+ int nals_needed = 0;
-static void predict_field_decoding_flag(H264Context *h)
-{
- const int mb_xy = h->mb_x + h->mb_y * h->mb_stride;
- int mb_type = (h->slice_table[mb_xy - 1] == h->slice_num) ?
- h->cur_pic.mb_type[mb_xy - 1] :
- (h->slice_table[mb_xy - h->mb_stride] == h->slice_num) ?
- h->cur_pic.mb_type[mb_xy - h->mb_stride] : 0;
- h->mb_mbaff = h->mb_field_decoding_flag = IS_INTERLACED(mb_type) ? 1 : 0;
-}
-
-/**
- * Draw edges and report progress for the last MB row.
- */
-static void decode_finish_row(H264Context *h)
-{
- int top = 16 * (h->mb_y >> FIELD_PICTURE(h));
- int pic_height = 16 * h->mb_height >> FIELD_PICTURE(h);
- int height = 16 << FRAME_MBAFF(h);
- int deblock_border = (16 + 4) << FRAME_MBAFF(h);
-
- if (h->deblocking_filter) {
- if ((top + height) >= pic_height)
- height += deblock_border;
- top -= deblock_border;
- }
+ while(1) {
+ GetBitContext gb;
+ int nalsize = 0;
+ int dst_length, bit_length, consumed;
+ const uint8_t *ptr;
- if (top >= pic_height || (top + height) < 0)
- return;
-
- height = FFMIN(height, pic_height - top);
- if (top < 0) {
- height = top + height;
- top = 0;
- }
-
- ff_h264_draw_horiz_band(h, top, height);
-
- if (h->droppable)
- return;
-
- ff_thread_report_progress(&h->cur_pic_ptr->tf, top + height - 1,
- h->picture_structure == PICT_BOTTOM_FIELD);
-}
-
-static void er_add_slice(H264Context *h, int startx, int starty,
- int endx, int endy, int status)
-{
-#if CONFIG_ERROR_RESILIENCE
- ERContext *er = &h->er;
-
- er->ref_count = h->ref_count[0];
- ff_er_add_slice(er, startx, starty, endx, endy, status);
-#endif
-}
-
-static int decode_slice(struct AVCodecContext *avctx, void *arg)
-{
- H264Context *h = *(void **)arg;
- int lf_x_start = h->mb_x;
-
- h->mb_skip_run = -1;
-
- h->is_complex = FRAME_MBAFF(h) || h->picture_structure != PICT_FRAME ||
- avctx->codec_id != AV_CODEC_ID_H264 ||
- (CONFIG_GRAY && (h->flags & CODEC_FLAG_GRAY));
-
- if (h->pps.cabac) {
- /* realign */
- align_get_bits(&h->gb);
-
- /* init cabac */
- ff_init_cabac_decoder(&h->cabac,
- h->gb.buffer + get_bits_count(&h->gb) / 8,
- (get_bits_left(&h->gb) + 7) / 8);
-
- ff_h264_init_cabac_states(h);
-
- for (;;) {
- // START_TIMER
- int ret = ff_h264_decode_mb_cabac(h);
- int eos;
- // STOP_TIMER("decode_mb_cabac")
-
- if (ret >= 0)
- ff_h264_hl_decode_mb(h);
-
- // FIXME optimal? or let mb_decode decode 16x32 ?
- if (ret >= 0 && FRAME_MBAFF(h)) {
- h->mb_y++;
-
- ret = ff_h264_decode_mb_cabac(h);
-
- if (ret >= 0)
- ff_h264_hl_decode_mb(h);
- h->mb_y--;
- }
- eos = get_cabac_terminate(&h->cabac);
-
- if ((h->workaround_bugs & FF_BUG_TRUNCATED) &&
- h->cabac.bytestream > h->cabac.bytestream_end + 2) {
- er_add_slice(h, h->resync_mb_x, h->resync_mb_y, h->mb_x - 1,
- h->mb_y, ER_MB_END);
- if (h->mb_x >= lf_x_start)
- loop_filter(h, lf_x_start, h->mb_x + 1);
- return 0;
- }
- if (ret < 0 || h->cabac.bytestream > h->cabac.bytestream_end + 2) {
- av_log(h->avctx, AV_LOG_ERROR,
- "error while decoding MB %d %d, bytestream (%td)\n",
- h->mb_x, h->mb_y,
- h->cabac.bytestream_end - h->cabac.bytestream);
- er_add_slice(h, h->resync_mb_x, h->resync_mb_y, h->mb_x,
- h->mb_y, ER_MB_ERROR);
- return AVERROR_INVALIDDATA;
- }
-
- if (++h->mb_x >= h->mb_width) {
- loop_filter(h, lf_x_start, h->mb_x);
- h->mb_x = lf_x_start = 0;
- decode_finish_row(h);
- ++h->mb_y;
- if (FIELD_OR_MBAFF_PICTURE(h)) {
- ++h->mb_y;
- if (FRAME_MBAFF(h) && h->mb_y < h->mb_height)
- predict_field_decoding_flag(h);
- }
- }
-
- if (eos || h->mb_y >= h->mb_height) {
- tprintf(h->avctx, "slice end %d %d\n",
- get_bits_count(&h->gb), h->gb.size_in_bits);
- er_add_slice(h, h->resync_mb_x, h->resync_mb_y, h->mb_x - 1,
- h->mb_y, ER_MB_END);
- if (h->mb_x > lf_x_start)
- loop_filter(h, lf_x_start, h->mb_x);
- return 0;
- }
+ if (buf_index >= next_avc) {
+ nalsize = get_avc_nalsize(h, buf, buf_size, &buf_index);
+ if (nalsize < 0)
+ break;
+ next_avc = buf_index + nalsize;
+ } else {
+ buf_index = find_start_code(buf, buf_size, buf_index, next_avc);
+ if (buf_index >= buf_size)
+ break;
}
- } else {
- for (;;) {
- int ret = ff_h264_decode_mb_cavlc(h);
-
- if (ret >= 0)
- ff_h264_hl_decode_mb(h);
- // FIXME optimal? or let mb_decode decode 16x32 ?
- if (ret >= 0 && FRAME_MBAFF(h)) {
- h->mb_y++;
- ret = ff_h264_decode_mb_cavlc(h);
+ ptr = ff_h264_decode_nal(h, &h->slice_ctx[0], buf + buf_index, &dst_length, &consumed,
+ next_avc - buf_index);
- if (ret >= 0)
- ff_h264_hl_decode_mb(h);
- h->mb_y--;
- }
-
- if (ret < 0) {
- av_log(h->avctx, AV_LOG_ERROR,
- "error while decoding MB %d %d\n", h->mb_x, h->mb_y);
- er_add_slice(h, h->resync_mb_x, h->resync_mb_y, h->mb_x,
- h->mb_y, ER_MB_ERROR);
- return ret;
- }
-
- if (++h->mb_x >= h->mb_width) {
- loop_filter(h, lf_x_start, h->mb_x);
- h->mb_x = lf_x_start = 0;
- decode_finish_row(h);
- ++h->mb_y;
- if (FIELD_OR_MBAFF_PICTURE(h)) {
- ++h->mb_y;
- if (FRAME_MBAFF(h) && h->mb_y < h->mb_height)
- predict_field_decoding_flag(h);
- }
- if (h->mb_y >= h->mb_height) {
- tprintf(h->avctx, "slice end %d %d\n",
- get_bits_count(&h->gb), h->gb.size_in_bits);
-
- if (get_bits_left(&h->gb) == 0) {
- er_add_slice(h, h->resync_mb_x, h->resync_mb_y,
- h->mb_x - 1, h->mb_y,
- ER_MB_END);
-
- return 0;
- } else {
- er_add_slice(h, h->resync_mb_x, h->resync_mb_y,
- h->mb_x - 1, h->mb_y,
- ER_MB_END);
-
- return AVERROR_INVALIDDATA;
- }
- }
- }
-
- if (get_bits_left(&h->gb) <= 0 && h->mb_skip_run <= 0) {
- tprintf(h->avctx, "slice end %d %d\n",
- get_bits_count(&h->gb), h->gb.size_in_bits);
-
- if (get_bits_left(&h->gb) == 0) {
- er_add_slice(h, h->resync_mb_x, h->resync_mb_y,
- h->mb_x - 1, h->mb_y,
- ER_MB_END);
- if (h->mb_x > lf_x_start)
- loop_filter(h, lf_x_start, h->mb_x);
-
- return 0;
- } else {
- er_add_slice(h, h->resync_mb_x, h->resync_mb_y, h->mb_x,
- h->mb_y, ER_MB_ERROR);
-
- return AVERROR_INVALIDDATA;
- }
- }
- }
- }
-}
+ if (!ptr || dst_length < 0)
+ return AVERROR_INVALIDDATA;
-/**
- * Call decode_slice() for each context.
- *
- * @param h h264 master context
- * @param context_count number of contexts to execute
- */
-static int execute_decode_slices(H264Context *h, int context_count)
-{
- AVCodecContext *const avctx = h->avctx;
- H264Context *hx;
- int i;
+ buf_index += consumed;
- if (h->mb_y >= h->mb_height) {
- av_log(h->avctx, AV_LOG_ERROR,
- "Input contains more MB rows than the frame height.\n");
- return AVERROR_INVALIDDATA;
- }
+ bit_length = get_bit_length(h, buf, ptr, dst_length,
+ buf_index, next_avc);
+ nal_index++;
- if (h->avctx->hwaccel)
- return 0;
- if (context_count == 1) {
- return decode_slice(avctx, &h);
- } else {
- for (i = 1; i < context_count; i++) {
- hx = h->thread_context[i];
- hx->er.error_count = 0;
+ /* packets can sometimes contain multiple PPS/SPS,
+ * e.g. two PAFF field pictures in one packet, or a demuxer
+ * which splits NALs strangely if so, when frame threading we
+ * can't start the next thread until we've read all of them */
+ switch (h->nal_unit_type) {
+ case NAL_SPS:
+ case NAL_PPS:
+ nals_needed = nal_index;
+ break;
+ case NAL_DPA:
+ case NAL_IDR_SLICE:
+ case NAL_SLICE:
+ init_get_bits(&gb, ptr, bit_length);
+ if (!get_ue_golomb(&gb))
+ nals_needed = nal_index;
}
-
- avctx->execute(avctx, decode_slice, h->thread_context,
- NULL, context_count, sizeof(void *));
-
- /* pull back stuff from slices to master context */
- hx = h->thread_context[context_count - 1];
- h->mb_x = hx->mb_x;
- h->mb_y = hx->mb_y;
- h->droppable = hx->droppable;
- h->picture_structure = hx->picture_structure;
- for (i = 1; i < context_count; i++)
- h->er.error_count += h->thread_context[i]->er.error_count;
}
- return 0;
+ return nals_needed;
}
static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size,
int parse_extradata)
{
AVCodecContext *const avctx = h->avctx;
- H264Context *hx; ///< thread context
+ H264SliceContext *sl;
int buf_index;
- int context_count;
+ unsigned context_count;
int next_avc;
- int pass = !(avctx->active_thread_type & FF_THREAD_FRAME);
int nals_needed = 0; ///< number of NALs that need decoding before the next frame thread starts
int nal_index;
int ret = 0;
ff_h264_reset_sei(h);
}
- for (; pass <= 1; pass++) {
+ if (avctx->active_thread_type & FF_THREAD_FRAME)
+ nals_needed = get_last_needed_nal(h, buf, buf_size);
+
+ {
buf_index = 0;
context_count = 0;
next_avc = h->is_avc ? 0 : buf_size;
int dst_length;
int bit_length;
const uint8_t *ptr;
- int i, nalsize = 0;
+ int nalsize = 0;
int err;
if (buf_index >= next_avc) {
- if (buf_index >= buf_size - h->nal_length_size)
- break;
- nalsize = 0;
- for (i = 0; i < h->nal_length_size; i++)
- nalsize = (nalsize << 8) | buf[buf_index++];
- if (nalsize <= 0 || nalsize > buf_size - buf_index) {
- av_log(h->avctx, AV_LOG_ERROR,
- "AVC: nal size %d\n", nalsize);
+ nalsize = get_avc_nalsize(h, buf, buf_size, &buf_index);
+ if (nalsize < 0)
break;
- }
next_avc = buf_index + nalsize;
} else {
- // start code prefix search
- for (; buf_index + 3 < next_avc; buf_index++)
- // This should always succeed in the first iteration.
- if (buf[buf_index] == 0 &&
- buf[buf_index + 1] == 0 &&
- buf[buf_index + 2] == 1)
- break;
-
- if (buf_index + 3 >= buf_size) {
- buf_index = buf_size;
+ buf_index = find_start_code(buf, buf_size, buf_index, next_avc);
+ if (buf_index >= buf_size)
break;
- }
-
- buf_index += 3;
if (buf_index >= next_avc)
continue;
}
- hx = h->thread_context[context_count];
+ sl = &h->slice_ctx[context_count];
- ptr = ff_h264_decode_nal(hx, buf + buf_index, &dst_length,
+ ptr = ff_h264_decode_nal(h, sl, buf + buf_index, &dst_length,
&consumed, next_avc - buf_index);
- if (ptr == NULL || dst_length < 0) {
+ if (!ptr || dst_length < 0) {
ret = -1;
goto end;
}
- i = buf_index + consumed;
- if ((h->workaround_bugs & FF_BUG_AUTODETECT) && i + 3 < next_avc &&
- buf[i] == 0x00 && buf[i + 1] == 0x00 &&
- buf[i + 2] == 0x01 && buf[i + 3] == 0xE0)
- h->workaround_bugs |= FF_BUG_TRUNCATED;
-
- if (!(h->workaround_bugs & FF_BUG_TRUNCATED))
- while (dst_length > 0 && ptr[dst_length - 1] == 0)
- dst_length--;
- bit_length = !dst_length ? 0
- : (8 * dst_length -
- decode_rbsp_trailing(h, ptr + dst_length - 1));
+
+ bit_length = get_bit_length(h, buf, ptr, dst_length,
+ buf_index + consumed, next_avc);
if (h->avctx->debug & FF_DEBUG_STARTCODE)
av_log(h->avctx, AV_LOG_DEBUG,
"NAL %d at %d/%d length %d\n",
- hx->nal_unit_type, buf_index, buf_size, dst_length);
+ h->nal_unit_type, buf_index, buf_size, dst_length);
if (h->is_avc && (nalsize != consumed) && nalsize)
av_log(h->avctx, AV_LOG_DEBUG,
buf_index += consumed;
nal_index++;
- if (pass == 0) {
- /* packets can sometimes contain multiple PPS/SPS,
- * e.g. two PAFF field pictures in one packet, or a demuxer
- * which splits NALs strangely if so, when frame threading we
- * can't start the next thread until we've read all of them */
- switch (hx->nal_unit_type) {
- case NAL_SPS:
- case NAL_PPS:
- nals_needed = nal_index;
- break;
- case NAL_DPA:
- case NAL_IDR_SLICE:
- case NAL_SLICE:
- init_get_bits(&hx->gb, ptr, bit_length);
- if (!get_ue_golomb(&hx->gb))
- nals_needed = nal_index;
- }
- continue;
- }
-
if (avctx->skip_frame >= AVDISCARD_NONREF &&
h->nal_ref_idc == 0 &&
h->nal_unit_type != NAL_SEI)
* with frame-mt */
if (parse_extradata && HAVE_THREADS &&
(h->avctx->active_thread_type & FF_THREAD_FRAME) &&
- (hx->nal_unit_type != NAL_PPS &&
- hx->nal_unit_type != NAL_SPS)) {
- if (hx->nal_unit_type < NAL_AUD ||
- hx->nal_unit_type > NAL_AUXILIARY_SLICE)
+ (h->nal_unit_type != NAL_PPS &&
+ h->nal_unit_type != NAL_SPS)) {
+ if (h->nal_unit_type < NAL_AUD ||
+ h->nal_unit_type > NAL_AUXILIARY_SLICE)
av_log(avctx, AV_LOG_INFO,
"Ignoring NAL unit %d during extradata parsing\n",
- hx->nal_unit_type);
- hx->nal_unit_type = NAL_FF_IGNORE;
+ h->nal_unit_type);
+ h->nal_unit_type = NAL_FF_IGNORE;
}
err = 0;
- switch (hx->nal_unit_type) {
+ switch (h->nal_unit_type) {
case NAL_IDR_SLICE:
if (h->nal_unit_type != NAL_IDR_SLICE) {
av_log(h->avctx, AV_LOG_ERROR,
}
idr(h); // FIXME ensure we don't lose some frames if there is reordering
case NAL_SLICE:
- init_get_bits(&hx->gb, ptr, bit_length);
- hx->intra_gb_ptr =
- hx->inter_gb_ptr = &hx->gb;
- hx->data_partitioning = 0;
+ init_get_bits(&sl->gb, ptr, bit_length);
- if ((err = decode_slice_header(hx, h)))
+ if ((err = ff_h264_decode_slice_header(h, sl)))
break;
if (h->sei_recovery_frame_cnt >= 0 && h->recovery_frame < 0) {
((1 << h->sps.log2_max_frame_num) - 1);
}
- h->cur_pic_ptr->f.key_frame |=
- (hx->nal_unit_type == NAL_IDR_SLICE) ||
+ h->cur_pic_ptr->f->key_frame |=
+ (h->nal_unit_type == NAL_IDR_SLICE) ||
(h->sei_recovery_frame_cnt >= 0);
- if (hx->nal_unit_type == NAL_IDR_SLICE ||
+ if (h->nal_unit_type == NAL_IDR_SLICE ||
h->recovery_frame == h->frame_num) {
h->recovery_frame = -1;
h->cur_pic_ptr->recovered = 1;
}
// If we have an IDR, all frames after it in decoded order are
// "recovered".
- if (hx->nal_unit_type == NAL_IDR_SLICE)
+ if (h->nal_unit_type == NAL_IDR_SLICE)
h->frame_recovered |= FRAME_RECOVERED_IDR;
h->cur_pic_ptr->recovered |= !!(h->frame_recovered & FRAME_RECOVERED_IDR);
return ret;
}
- if (hx->redundant_pic_count == 0 &&
+ if (sl->redundant_pic_count == 0 &&
(avctx->skip_frame < AVDISCARD_NONREF ||
- hx->nal_ref_idc) &&
+ h->nal_ref_idc) &&
(avctx->skip_frame < AVDISCARD_BIDIR ||
- hx->slice_type_nos != AV_PICTURE_TYPE_B) &&
+ sl->slice_type_nos != AV_PICTURE_TYPE_B) &&
(avctx->skip_frame < AVDISCARD_NONKEY ||
- hx->slice_type_nos == AV_PICTURE_TYPE_I) &&
+ sl->slice_type_nos == AV_PICTURE_TYPE_I) &&
avctx->skip_frame < AVDISCARD_ALL) {
if (avctx->hwaccel) {
ret = avctx->hwaccel->decode_slice(avctx,
}
break;
case NAL_DPA:
- init_get_bits(&hx->gb, ptr, bit_length);
- hx->intra_gb_ptr =
- hx->inter_gb_ptr = NULL;
-
- if ((err = decode_slice_header(hx, h)) < 0) {
- /* make sure data_partitioning is cleared if it was set
- * before, so we don't try decoding a slice without a valid
- * slice header later */
- h->data_partitioning = 0;
- break;
- }
-
- hx->data_partitioning = 1;
- break;
case NAL_DPB:
- init_get_bits(&hx->intra_gb, ptr, bit_length);
- hx->intra_gb_ptr = &hx->intra_gb;
- break;
case NAL_DPC:
- init_get_bits(&hx->inter_gb, ptr, bit_length);
- hx->inter_gb_ptr = &hx->inter_gb;
-
- if (hx->redundant_pic_count == 0 &&
- hx->intra_gb_ptr &&
- hx->data_partitioning &&
- h->cur_pic_ptr && h->context_initialized &&
- (avctx->skip_frame < AVDISCARD_NONREF || hx->nal_ref_idc) &&
- (avctx->skip_frame < AVDISCARD_BIDIR ||
- hx->slice_type_nos != AV_PICTURE_TYPE_B) &&
- (avctx->skip_frame < AVDISCARD_NONKEY ||
- hx->slice_type_nos == AV_PICTURE_TYPE_I) &&
- avctx->skip_frame < AVDISCARD_ALL)
- context_count++;
+ avpriv_request_sample(avctx, "data partitioning");
+ ret = AVERROR(ENOSYS);
+ goto end;
break;
case NAL_SEI:
init_get_bits(&h->gb, ptr, bit_length);
- ff_h264_decode_sei(h);
+ ret = ff_h264_decode_sei(h);
+ if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
+ goto end;
break;
case NAL_SPS:
init_get_bits(&h->gb, ptr, bit_length);
ff_h264_decode_seq_parameter_set(h);
}
- ret = h264_set_parameter_from_sps(h);
- if (ret < 0)
- goto end;
-
break;
case NAL_PPS:
init_get_bits(&h->gb, ptr, bit_length);
- ff_h264_decode_picture_parameter_set(h, bit_length);
+ ret = ff_h264_decode_picture_parameter_set(h, bit_length);
+ if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
+ goto end;
break;
case NAL_AUD:
case NAL_END_SEQUENCE:
break;
default:
av_log(avctx, AV_LOG_DEBUG, "Unknown NAL code: %d (%d bits)\n",
- hx->nal_unit_type, bit_length);
+ h->nal_unit_type, bit_length);
}
if (context_count == h->max_contexts) {
- execute_decode_slices(h, context_count);
+ ret = ff_h264_execute_decode_slices(h, context_count);
+ if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
+ goto end;
context_count = 0;
}
- if (err < 0)
+ if (err < 0) {
av_log(h->avctx, AV_LOG_ERROR, "decode_slice_header error\n");
- else if (err == 1) {
- /* Slice could not be decoded in parallel mode, copy down
- * NAL unit stuff to context 0 and restart. Note that
- * rbsp_buffer is not transferred, but since we no longer
+ sl->ref_count[0] = sl->ref_count[1] = sl->list_count = 0;
+ } else if (err == 1) {
+ /* Slice could not be decoded in parallel mode, restart. Note
+ * that rbsp_buffer is not transferred, but since we no longer
* run in parallel mode this should not be an issue. */
- h->nal_unit_type = hx->nal_unit_type;
- h->nal_ref_idc = hx->nal_ref_idc;
- hx = h;
+ sl = &h->slice_ctx[0];
goto again;
}
}
}
- if (context_count)
- execute_decode_slices(h, context_count);
+ if (context_count) {
+ ret = ff_h264_execute_decode_slices(h, context_count);
+ if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
+ goto end;
+ }
+ ret = 0;
end:
/* clean up */
if (h->cur_pic_ptr && !h->droppable) {
static int get_consumed_bytes(int pos, int buf_size)
{
if (pos == 0)
- pos = 1; // avoid infinite loops (i doubt that is needed but ...)
+ pos = 1; // avoid infinite loops (I doubt that is needed but...)
if (pos + 10 > buf_size)
- pos = buf_size; // oops ;)
+ pos = buf_size; // oops ;)
return pos;
}
int ret;
h->flags = avctx->flags;
+ h->setup_finished = 0;
/* end of stream, output what is still in the buffers */
out:
if (buf_size == 0) {
- Picture *out;
+ H264Picture *out;
int i, out_idx;
h->cur_pic_ptr = NULL;
out_idx = 0;
for (i = 1;
h->delayed_pic[i] &&
- !h->delayed_pic[i]->f.key_frame &&
+ !h->delayed_pic[i]->f->key_frame &&
!h->delayed_pic[i]->mmco_reset;
i++)
if (h->delayed_pic[i]->poc < out->poc) {
h->delayed_pic[i] = h->delayed_pic[i + 1];
if (out) {
- ret = output_frame(h, pict, &out->f);
+ ret = output_frame(h, pict, out->f);
if (ret < 0)
return ret;
*got_frame = 1;
if (avctx->flags2 & CODEC_FLAG2_CHUNKS)
decode_postinit(h, 1);
- field_end(h, 0);
+ ff_h264_field_end(h, &h->slice_ctx[0], 0);
*got_frame = 0;
if (h->next_output_pic && ((avctx->flags & CODEC_FLAG_OUTPUT_CORRUPT) ||
h->next_output_pic->recovered)) {
if (!h->next_output_pic->recovered)
- h->next_output_pic->f.flags |= AV_FRAME_FLAG_CORRUPT;
+ h->next_output_pic->f->flags |= AV_FRAME_FLAG_CORRUPT;
- ret = output_frame(h, pict, &h->next_output_pic->f);
+ ret = output_frame(h, pict, h->next_output_pic->f);
if (ret < 0)
return ret;
*got_frame = 1;
{
int i;
- free_tables(h, 1); // FIXME cleanup init stuff perhaps
+ ff_h264_free_tables(h);
+
+ for (i = 0; i < H264_MAX_PICTURE_COUNT; i++) {
+ ff_h264_unref_picture(h, &h->DPB[i]);
+ av_frame_free(&h->DPB[i].f);
+ }
+
+ h->cur_pic_ptr = NULL;
+
+ for (i = 0; i < h->nb_slice_ctx; i++)
+ av_freep(&h->slice_ctx[i].rbsp_buffer);
+ av_freep(&h->slice_ctx);
+ h->nb_slice_ctx = 0;
for (i = 0; i < MAX_SPS_COUNT; i++)
av_freep(h->sps_buffers + i);
ff_h264_free_context(h);
- unref_picture(h, &h->cur_pic);
+ ff_h264_unref_picture(h, &h->cur_pic);
+ av_frame_free(&h->cur_pic.f);
return 0;
}
+#define OFFSET(x) offsetof(H264Context, x)
+#define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
+static const AVOption h264_options[] = {
+ { "enable_er", "Enable error resilience on damaged frames (unsafe)", OFFSET(enable_er), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VD },
+ { NULL },
+};
+
+static const AVClass h264_class = {
+ .class_name = "h264",
+ .item_name = av_default_item_name,
+ .option = h264_options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
static const AVProfile profiles[] = {
{ FF_PROFILE_H264_BASELINE, "Baseline" },
{ FF_PROFILE_H264_CONSTRAINED_BASELINE, "Constrained Baseline" },
CODEC_CAP_FRAME_THREADS,
.flush = flush_dpb,
.init_thread_copy = ONLY_IF_THREADS_ENABLED(decode_init_thread_copy),
- .update_thread_context = ONLY_IF_THREADS_ENABLED(decode_update_thread_context),
+ .update_thread_context = ONLY_IF_THREADS_ENABLED(ff_h264_update_thread_context),
.profiles = NULL_IF_CONFIG_SMALL(profiles),
+ .priv_class = &h264_class,
};
projects / ffmpeg / blobdiff