/**
* @file
- * H.264 / AVC / MPEG4 part10 codec.
+ * H.264 / AVC / MPEG-4 part10 codec.
* @author Michael Niedermayer <michaelni@gmx.at>
*/
#include "libavutil/avassert.h"
+#include "libavutil/display.h"
#include "libavutil/imgutils.h"
+#include "libavutil/stereo3d.h"
#include "libavutil/timer.h"
#include "internal.h"
#include "cabac.h"
#include "error_resilience.h"
#include "avcodec.h"
#include "h264.h"
+#include "h264dec.h"
#include "h264data.h"
#include "h264chroma.h"
#include "h264_mvpred.h"
+#include "h264_ps.h"
#include "golomb.h"
#include "mathops.h"
#include "mpegutils.h"
#include "rectangle.h"
#include "thread.h"
-
-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,
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 void release_unused_pictures(H264Context *h, int remove_current)
{
int i;
av_fast_malloc(&sl->bipred_scratchpad, &sl->bipred_scratchpad_allocated, 16 * 6 * alloc_size);
// edge emu needs blocksize + filter length - 1
- // (= 21x21 for h264)
+ // (= 21x21 for H.264)
av_fast_malloc(&sl->edge_emu_buffer, &sl->edge_emu_buffer_allocated, alloc_size * 2 * 21);
av_fast_malloc(&sl->top_borders[0], &sl->top_borders_allocated[0],
return 0;
}
-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;
- }
- }
-}
-
-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;
-
- 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;
- }
- }
-}
-
-void h264_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;
- }
-}
-
#define IN_RANGE(a, b, size) (((a) >= (b)) && ((a) < ((b) + (size))))
#define REBASE_PICTURE(pic, new_ctx, old_ctx) \
}
}
-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);
- }
-
- 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 *h);
int ff_h264_update_thread_context(AVCodecContext *dst,
if (dst == src || !h1->context_initialized)
return 0;
+ if (!h1->ps.sps)
+ return AVERROR_INVALIDDATA;
+
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)) {
+ !h->ps.sps ||
+ h->ps.sps->bit_depth_luma != h1->ps.sps->bit_depth_luma ||
+ h->ps.sps->chroma_format_idc != h1->ps.sps->chroma_format_idc ||
+ h->ps.sps->colorspace != h1->ps.sps->colorspace)) {
need_reinit = 1;
}
// 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;
+ for (i = 0; i < FF_ARRAY_ELEMS(h->ps.sps_list); i++) {
+ av_buffer_unref(&h->ps.sps_list[i]);
+ if (h1->ps.sps_list[i]) {
+ h->ps.sps_list[i] = av_buffer_ref(h1->ps.sps_list[i]);
+ if (!h->ps.sps_list[i])
+ return AVERROR(ENOMEM);
+ }
+ }
+ for (i = 0; i < FF_ARRAY_ELEMS(h->ps.pps_list); i++) {
+ av_buffer_unref(&h->ps.pps_list[i]);
+ if (h1->ps.pps_list[i]) {
+ h->ps.pps_list[i] = av_buffer_ref(h1->ps.pps_list[i]);
+ if (!h->ps.pps_list[i])
+ return AVERROR(ENOMEM);
+ }
+ }
+
+ h->ps.sps = h1->ps.sps;
if (need_reinit || !inited) {
h->width = h1->width;
h->coded_picture_number = h1->coded_picture_number;
h->first_field = h1->first_field;
h->picture_structure = h1->picture_structure;
+ h->mb_aff_frame = h1->mb_aff_frame;
h->droppable = h1->droppable;
- h->low_delay = h1->low_delay;
for (i = 0; i < H264_MAX_PICTURE_COUNT; i++) {
ff_h264_unref_picture(h, &h->DPB[i]);
h->enable_er = h1->enable_er;
h->workaround_bugs = h1->workaround_bugs;
- h->low_delay = h1->low_delay;
h->droppable = h1->droppable;
// extradata/NAL handling
h->is_avc = h1->is_avc;
h->nal_length_size = h1->nal_length_size;
- // 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]);
+ memcpy(&h->poc, &h1->poc, sizeof(h->poc));
- for (i = 0; i < 6; i++)
- h->dequant8_coeff[i] = h->dequant8_buffer[0] +
- (h1->dequant8_coeff[i] - h1->dequant8_buffer[0]);
+ memcpy(h->short_ref, h1->short_ref, sizeof(h->short_ref));
+ memcpy(h->long_ref, h1->long_ref, sizeof(h->long_ref));
+ memcpy(h->delayed_pic, h1->delayed_pic, sizeof(h->delayed_pic));
+ memcpy(h->last_pocs, h1->last_pocs, sizeof(h->last_pocs));
- h->dequant_coeff_pps = h1->dequant_coeff_pps;
+ h->next_output_pic = h1->next_output_pic;
+ h->next_outputed_poc = h1->next_outputed_poc;
- // POC timing
- copy_fields(h, h1, poc_lsb, current_slice);
+ memcpy(h->mmco, h1->mmco, sizeof(h->mmco));
+ h->nb_mmco = h1->nb_mmco;
+ h->mmco_reset = h1->mmco_reset;
+ h->explicit_ref_marking = h1->explicit_ref_marking;
+ h->long_ref_count = h1->long_ref_count;
+ h->short_ref_count = h1->short_ref_count;
copy_picture_range(h->short_ref, h1->short_ref, 32, h, h1);
copy_picture_range(h->long_ref, h1->long_ref, 32, h, h1);
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;
+ err = ff_h264_execute_ref_pic_marking(h);
+ h->poc.prev_poc_msb = h->poc.poc_msb;
+ h->poc.prev_poc_lsb = h->poc.poc_lsb;
}
- h->prev_frame_num_offset = h->frame_num_offset;
- h->prev_frame_num = h->frame_num;
+ h->poc.prev_frame_num_offset = h->poc.frame_num_offset;
+ h->poc.prev_frame_num = h->poc.frame_num;
h->recovery_frame = h1->recovery_frame;
h->frame_recovered = h1->frame_recovered;
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;
- pic->frame_num = h->frame_num;
+ pic->frame_num = h->poc.frame_num;
/*
* Zero key_frame here; IDR markings per slice in frame or fields are ORed
* in later.
pic->mmco_reset = 0;
pic->recovered = 0;
+ pic->f->pict_type = h->slice_ctx[0].slice_type;
+
if (CONFIG_ERROR_RESILIENCE && h->enable_er)
ff_er_frame_start(&h->slice_ctx[0].er);
h->next_output_pic = NULL;
+ h->postpone_filter = 0;
+
+ h->mb_aff_frame = h->ps.sps->mb_aff && (h->picture_structure == PICT_FRAME);
+
assert(h->cur_pic_ptr->long_ref == 0);
return 0;
int ref0, ref1, i, cur_poc, ref_start, ref_count0, ref_count1;
for (i = 0; i < 2; i++) {
- sl->luma_weight_flag[i] = 0;
- sl->chroma_weight_flag[i] = 0;
+ sl->pwt.luma_weight_flag[i] = 0;
+ sl->pwt.chroma_weight_flag[i] = 0;
}
if (field < 0) {
}
if (sl->ref_count[0] == 1 && sl->ref_count[1] == 1 && !FRAME_MBAFF(h) &&
sl->ref_list[0][0].poc + sl->ref_list[1][0].poc == 2 * cur_poc) {
- sl->use_weight = 0;
- sl->use_weight_chroma = 0;
+ sl->pwt.use_weight = 0;
+ sl->pwt.use_weight_chroma = 0;
return;
}
ref_start = 0;
ref_count1 = 16 + 2 * sl->ref_count[1];
}
- sl->use_weight = 2;
- sl->use_weight_chroma = 2;
- sl->luma_log2_weight_denom = 5;
- sl->chroma_log2_weight_denom = 5;
+ sl->pwt.use_weight = 2;
+ sl->pwt.use_weight_chroma = 2;
+ sl->pwt.luma_log2_weight_denom = 5;
+ sl->pwt.chroma_log2_weight_denom = 5;
for (ref0 = ref_start; ref0 < ref_count0; ref0++) {
int poc0 = sl->ref_list[0][ref0].poc;
}
}
if (field < 0) {
- sl->implicit_weight[ref0][ref1][0] =
- sl->implicit_weight[ref0][ref1][1] = w;
+ sl->pwt.implicit_weight[ref0][ref1][0] =
+ sl->pwt.implicit_weight[ref0][ref1][1] = w;
} else {
- sl->implicit_weight[ref0][ref1][field] = w;
+ sl->pwt.implicit_weight[ref0][ref1][field] = w;
}
}
}
h->field_scan8x8_cavlc[i] = TRANSPOSE(field_scan8x8_cavlc[i]);
#undef TRANSPOSE
}
- if (h->sps.transform_bypass) { // FIXME same ugly
+ if (h->ps.sps->transform_bypass) { // FIXME same ugly
h->zigzag_scan_q0 = ff_zigzag_scan;
h->zigzag_scan8x8_q0 = ff_zigzag_direct;
h->zigzag_scan8x8_cavlc_q0 = zigzag_scan8x8_cavlc;
enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmt = pix_fmts;
const enum AVPixelFormat *choices = pix_fmts;
- switch (h->sps.bit_depth_luma) {
+ switch (h->ps.sps->bit_depth_luma) {
case 9:
if (CHROMA444(h)) {
if (h->avctx->colorspace == AVCOL_SPC_RGB) {
break;
default:
av_log(h->avctx, AV_LOG_ERROR,
- "Unsupported bit depth %d\n", h->sps.bit_depth_luma);
+ "Unsupported bit depth %d\n", h->ps.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);
+ SPS *sps = h->ps.sps;
+ int width = h->width - (sps->crop_right + sps->crop_left);
+ int height = h->height - (sps->crop_top + sps->crop_bottom);
/* handle container cropping */
if (FFALIGN(h->avctx->width, 16) == FFALIGN(width, 16) &&
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 =
- h->sps.crop = 0;
+ sps->crop_bottom =
+ sps->crop_top =
+ sps->crop_right =
+ sps->crop_left =
+ sps->crop = 0;
width = h->width;
height = h->height;
static int h264_slice_header_init(H264Context *h)
{
- int nb_slices = (HAVE_THREADS &&
- h->avctx->active_thread_type & FF_THREAD_SLICE) ?
- h->avctx->thread_count : 1;
+ const SPS *sps = h->ps.sps;
int i, ret;
- ff_set_sar(h->avctx, h->sps.sar);
+ ff_set_sar(h->avctx, sps->sar);
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)
+ if (sps->timing_info_present_flag) {
+ int64_t den = sps->time_scale;
+ if (h->sei.unregistered.x264_build < 44U)
den *= 2;
av_reduce(&h->avctx->framerate.den, &h->avctx->framerate.num,
- h->sps.num_units_in_tick, den, 1 << 30);
+ sps->num_units_in_tick, den, 1 << 30);
}
ff_h264_free_tables(h);
return ret;
}
- if (h->sps.bit_depth_luma < 8 || h->sps.bit_depth_luma > 10) {
+ if (sps->bit_depth_luma < 8 || sps->bit_depth_luma > 10) {
av_log(h->avctx, AV_LOG_ERROR, "Unsupported bit depth %d\n",
- h->sps.bit_depth_luma);
+ sps->bit_depth_luma);
return AVERROR_INVALIDDATA;
}
- h->avctx->bits_per_raw_sample = h->sps.bit_depth_luma;
- h->pixel_shift = h->sps.bit_depth_luma > 8;
- h->chroma_format_idc = h->sps.chroma_format_idc;
- h->bit_depth_luma = h->sps.bit_depth_luma;
+ h->avctx->bits_per_raw_sample = sps->bit_depth_luma;
+ h->pixel_shift = sps->bit_depth_luma > 8;
+ h->chroma_format_idc = sps->chroma_format_idc;
+ h->bit_depth_luma = sps->bit_depth_luma;
- 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);
- ff_videodsp_init(&h->vdsp, h->sps.bit_depth_luma);
-
- if (nb_slices > H264_MAX_THREADS || (nb_slices > h->mb_height && h->mb_height)) {
- int max_slices;
- if (h->mb_height)
- max_slices = FFMIN(H264_MAX_THREADS, h->mb_height);
- else
- max_slices = H264_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;
+ ff_h264dsp_init(&h->h264dsp, sps->bit_depth_luma,
+ sps->chroma_format_idc);
+ ff_h264chroma_init(&h->h264chroma, sps->bit_depth_chroma);
+ ff_h264qpel_init(&h->h264qpel, sps->bit_depth_luma);
+ ff_h264_pred_init(&h->hpc, h->avctx->codec_id, sps->bit_depth_luma,
+ sps->chroma_format_idc);
+ ff_videodsp_init(&h->vdsp, sps->bit_depth_luma);
if (!HAVE_THREADS || !(h->avctx->active_thread_type & FF_THREAD_SLICE)) {
ret = ff_h264_slice_context_init(h, &h->slice_ctx[0]);
return ret;
}
} else {
- for (i = 0; i < h->slice_context_count; i++) {
+ for (i = 0; i < h->nb_slice_ctx; i++) {
H264SliceContext *sl = &h->slice_ctx[i];
sl->h264 = h;
return 0;
}
-/**
- * Decode a slice header.
- * This will (re)intialize the decoder and call h264_frame_start() as needed.
- *
- * @param h h264context
- *
- * @return 0 if okay, <0 if an error occurred, 1 if decoding must not be multithreaded
- */
-int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl)
+static int h264_init_ps(H264Context *h, const H264SliceContext *sl)
{
- unsigned int first_mb_in_slice;
- unsigned int pps_id;
- int ret;
- unsigned int slice_type, tmp, i, j;
- int last_pic_structure, last_pic_droppable;
- int needs_reinit = 0;
- int field_pic_flag, bottom_field_flag;
- int frame_num, droppable, picture_structure;
- int mb_aff_frame = 0;
-
- h->qpel_put = h->h264qpel.put_h264_qpel_pixels_tab;
- h->qpel_avg = h->h264qpel.avg_h264_qpel_pixels_tab;
+ const SPS *sps;
+ int needs_reinit = 0, ret;
- first_mb_in_slice = get_ue_golomb(&sl->gb);
+ h->ps.pps = (const PPS*)h->ps.pps_list[sl->pps_id]->data;
+ if (h->ps.sps != (const SPS*)h->ps.sps_list[h->ps.pps->sps_id]->data) {
+ h->ps.sps = (SPS*)h->ps.sps_list[h->ps.pps->sps_id]->data;
- if (first_mb_in_slice == 0) { // FIXME better field boundary detection
- if (h->current_slice && h->cur_pic_ptr && FIELD_PICTURE(h)) {
- ff_h264_field_end(h, sl, 1);
- }
-
- h->current_slice = 0;
- if (!h->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(&sl->gb);
- if (slice_type > 9) {
- av_log(h->avctx, AV_LOG_ERROR,
- "slice type %d too large at %d\n",
- slice_type, first_mb_in_slice);
- return AVERROR_INVALIDDATA;
- }
- if (slice_type > 4) {
- slice_type -= 5;
- sl->slice_type_fixed = 1;
- } else
- sl->slice_type_fixed = 0;
-
- slice_type = ff_h264_golomb_to_pict_type[slice_type];
- sl->slice_type = slice_type;
- sl->slice_type_nos = slice_type & 3;
-
- if (h->nal_unit_type == NAL_IDR_SLICE &&
- sl->slice_type_nos != AV_PICTURE_TYPE_I) {
- av_log(h->avctx, AV_LOG_ERROR, "A non-intra slice in an IDR NAL unit.\n");
- return AVERROR_INVALIDDATA;
- }
-
- // to make a few old functions happy, it's wrong though
- if (!h->setup_finished)
- h->pict_type = sl->slice_type;
-
- pps_id = get_ue_golomb(&sl->gb);
- if (pps_id >= MAX_PPS_COUNT) {
- av_log(h->avctx, AV_LOG_ERROR, "pps_id %u out of range\n", pps_id);
- return AVERROR_INVALIDDATA;
- }
- if (!h->pps_buffers[pps_id]) {
- av_log(h->avctx, AV_LOG_ERROR,
- "non-existing PPS %u referenced\n",
- pps_id);
- return AVERROR_INVALIDDATA;
- }
- if (!h->setup_finished) {
- h->pps = *h->pps_buffers[pps_id];
- } else if (h->dequant_coeff_pps != pps_id) {
- av_log(h->avctx, AV_LOG_ERROR, "PPS changed between slices\n");
- return AVERROR_INVALIDDATA;
- }
-
- if (!h->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->sps.sps_id ||
- h->sps_buffers[h->pps.sps_id]->new) {
- h->sps_buffers[h->pps.sps_id]->new = 0;
-
- h->sps = *h->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)
+ if (h->bit_depth_luma != h->ps.sps->bit_depth_luma ||
+ h->chroma_format_idc != h->ps.sps->chroma_format_idc)
needs_reinit = 1;
-
- if (h->flags & AV_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;
-
}
+ sps = h->ps.sps;
- if (!h->setup_finished) {
- h->avctx->profile = ff_h264_get_profile(&h->sps);
- h->avctx->level = h->sps.level_idc;
- h->avctx->refs = h->sps.ref_frame_count;
+ h->avctx->profile = ff_h264_get_profile(sps);
+ h->avctx->level = sps->level_idc;
+ h->avctx->refs = 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;
+ if (h->mb_width != sps->mb_width ||
+ h->mb_height != sps->mb_height * (2 - 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->mb_width = sps->mb_width;
+ h->mb_height = sps->mb_height * (2 - 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->b_stride = h->mb_width * 4;
- h->chroma_y_shift = h->sps.chroma_format_idc <= 1; // 400 uses yuv420p
+ h->chroma_y_shift = sps->chroma_format_idc <= 1; // 400 uses yuv420p
- h->width = 16 * h->mb_width;
- h->height = 16 * h->mb_height;
+ h->width = 16 * h->mb_width;
+ h->height = 16 * h->mb_height;
- ret = init_dimensions(h);
- if (ret < 0)
- return ret;
+ 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 (sps->video_signal_type_present_flag) {
+ h->avctx->color_range = sps->full_range ? AVCOL_RANGE_JPEG
+ : AVCOL_RANGE_MPEG;
+ if (sps->colour_description_present_flag) {
+ if (h->avctx->colorspace != sps->colorspace)
+ needs_reinit = 1;
+ h->avctx->color_primaries = sps->color_primaries;
+ h->avctx->color_trc = sps->color_trc;
+ h->avctx->colorspace = sps->colorspace;
}
}
- if (h->context_initialized && needs_reinit) {
+ if (!h->context_initialized || needs_reinit) {
h->context_initialized = 0;
if (sl != h->slice_ctx) {
av_log(h->avctx, AV_LOG_ERROR,
return ret;
h->avctx->pix_fmt = ret;
- av_log(h->avctx, AV_LOG_INFO, "Reinit context to %dx%d, "
+ av_log(h->avctx, AV_LOG_VERBOSE, "Reinit context to %dx%d, "
"pix_fmt: %d\n", h->width, h->height, h->avctx->pix_fmt);
if ((ret = h264_slice_header_init(h)) < 0) {
return ret;
}
}
- if (!h->context_initialized) {
- if (sl != h->slice_ctx) {
- av_log(h->avctx, AV_LOG_ERROR,
- "Cannot (re-)initialize context during parallel decoding.\n");
- return AVERROR_PATCHWELCOME;
+
+ return 0;
+}
+
+static int h264_export_frame_props(H264Context *h)
+{
+ const SPS *sps = h->ps.sps;
+ H264Picture *cur = h->cur_pic_ptr;
+
+ cur->f->interlaced_frame = 0;
+ cur->f->repeat_pict = 0;
+
+ /* Signal interlacing information externally. */
+ /* Prioritize picture timing SEI information over used
+ * decoding process if it exists. */
+
+ if (sps->pic_struct_present_flag) {
+ H264SEIPictureTiming *pt = &h->sei.picture_timing;
+ switch (pt->pic_struct) {
+ case SEI_PIC_STRUCT_FRAME:
+ break;
+ case SEI_PIC_STRUCT_TOP_FIELD:
+ case SEI_PIC_STRUCT_BOTTOM_FIELD:
+ 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;
+ else
+ // try to flag soft telecine progressive
+ 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;
+ break;
+ case SEI_PIC_STRUCT_FRAME_DOUBLING:
+ cur->f->repeat_pict = 2;
+ break;
+ case SEI_PIC_STRUCT_FRAME_TRIPLING:
+ cur->f->repeat_pict = 4;
+ break;
}
- if ((ret = get_pixel_format(h)) < 0)
- return ret;
- h->avctx->pix_fmt = ret;
+ if ((pt->ct_type & 3) &&
+ pt->pic_struct <= SEI_PIC_STRUCT_BOTTOM_TOP)
+ cur->f->interlaced_frame = (pt->ct_type & (1 << 1)) != 0;
+ } else {
+ /* Derive interlacing flag from used decoding process. */
+ cur->f->interlaced_frame = FIELD_OR_MBAFF_PICTURE(h);
+ }
+ h->prev_interlaced_frame = cur->f->interlaced_frame;
- if ((ret = h264_slice_header_init(h)) < 0) {
- av_log(h->avctx, AV_LOG_ERROR,
- "h264_slice_header_init() failed\n");
- return ret;
+ 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];
+ } else {
+ if (cur->f->interlaced_frame || 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.picture_timing.pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM ||
+ h->sei.picture_timing.pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM_TOP)
+ cur->f->top_field_first = 1;
+ else
+ cur->f->top_field_first = 0;
+ } else {
+ /* Most likely progressive */
+ cur->f->top_field_first = 0;
}
}
- if (sl == h->slice_ctx && h->dequant_coeff_pps != pps_id) {
- h->dequant_coeff_pps = pps_id;
- h264_init_dequant_tables(h);
+ if (h->sei.frame_packing.present &&
+ h->sei.frame_packing.arrangement_type >= 0 &&
+ h->sei.frame_packing.arrangement_type <= 6 &&
+ h->sei.frame_packing.content_interpretation_type > 0 &&
+ h->sei.frame_packing.content_interpretation_type < 3) {
+ H264SEIFramePacking *fp = &h->sei.frame_packing;
+ AVStereo3D *stereo = av_stereo3d_create_side_data(cur->f);
+ if (!stereo)
+ return AVERROR(ENOMEM);
+
+ switch (fp->arrangement_type) {
+ case 0:
+ stereo->type = AV_STEREO3D_CHECKERBOARD;
+ break;
+ case 1:
+ stereo->type = AV_STEREO3D_COLUMNS;
+ break;
+ case 2:
+ stereo->type = AV_STEREO3D_LINES;
+ break;
+ case 3:
+ if (fp->quincunx_subsampling)
+ stereo->type = AV_STEREO3D_SIDEBYSIDE_QUINCUNX;
+ else
+ stereo->type = AV_STEREO3D_SIDEBYSIDE;
+ break;
+ case 4:
+ stereo->type = AV_STEREO3D_TOPBOTTOM;
+ break;
+ case 5:
+ stereo->type = AV_STEREO3D_FRAMESEQUENCE;
+ break;
+ case 6:
+ stereo->type = AV_STEREO3D_2D;
+ break;
+ }
+
+ if (fp->content_interpretation_type == 2)
+ stereo->flags = AV_STEREO3D_FLAG_INVERT;
}
- frame_num = get_bits(&sl->gb, h->sps.log2_max_frame_num);
- if (!h->setup_finished)
- h->frame_num = frame_num;
+ if (h->sei.display_orientation.present &&
+ (h->sei.display_orientation.anticlockwise_rotation ||
+ h->sei.display_orientation.hflip ||
+ h->sei.display_orientation.vflip)) {
+ H264SEIDisplayOrientation *o = &h->sei.display_orientation;
+ double angle = o->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 AVERROR(ENOMEM);
- sl->mb_mbaff = 0;
+ av_display_rotation_set((int32_t *)rotation->data, angle);
+ av_display_matrix_flip((int32_t *)rotation->data,
+ o->hflip, o->vflip);
+ }
- last_pic_structure = h->picture_structure;
- last_pic_droppable = h->droppable;
+ if (h->sei.afd.present) {
+ AVFrameSideData *sd = av_frame_new_side_data(cur->f, AV_FRAME_DATA_AFD,
+ sizeof(uint8_t));
+ if (!sd)
+ return AVERROR(ENOMEM);
- droppable = h->nal_ref_idc == 0;
- if (h->sps.frame_mbs_only_flag) {
- picture_structure = PICT_FRAME;
- } else {
- field_pic_flag = get_bits1(&sl->gb);
- if (field_pic_flag) {
- bottom_field_flag = get_bits1(&sl->gb);
- picture_structure = PICT_TOP_FIELD + bottom_field_flag;
- } else {
- picture_structure = PICT_FRAME;
- mb_aff_frame = h->sps.mb_aff;
- }
+ *sd->data = h->sei.afd.active_format_description;
+ h->sei.afd.present = 0;
}
- if (!h->setup_finished) {
- h->droppable = droppable;
- h->picture_structure = picture_structure;
- h->mb_aff_frame = mb_aff_frame;
+
+ if (h->sei.a53_caption.a53_caption) {
+ H264SEIA53Caption *a53 = &h->sei.a53_caption;
+ AVFrameSideData *sd = av_frame_new_side_data(cur->f,
+ AV_FRAME_DATA_A53_CC,
+ a53->a53_caption_size);
+ if (!sd)
+ return AVERROR(ENOMEM);
+
+ memcpy(sd->data, a53->a53_caption, a53->a53_caption_size);
+ av_freep(&a53->a53_caption);
+ a53->a53_caption_size = 0;
}
- sl->mb_field_decoding_flag = h->picture_structure != PICT_FRAME;
- if (h->current_slice != 0) {
- if (last_pic_structure != picture_structure ||
- last_pic_droppable != 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);
- return AVERROR_INVALIDDATA;
- } else if (!h->cur_pic_ptr) {
- av_log(h->avctx, AV_LOG_ERROR,
- "unset cur_pic_ptr on slice %d\n",
- h->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;
+ return 0;
+}
- if (unwrap_prev_frame_num > h->frame_num)
- unwrap_prev_frame_num -= max_frame_num;
+/* This function is called right after decoding the slice header for a first
+ * slice in a field (or a frame). It decides whether we are decoding a new frame
+ * or a second field in a pair and does the necessary setup.
+ */
+static int h264_field_start(H264Context *h, const H264SliceContext *sl,
+ const H2645NAL *nal)
+{
+ const SPS *sps;
- 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;
+ int last_pic_structure, last_pic_droppable, ret;
- h->prev_frame_num = unwrap_prev_frame_num;
- }
+ ret = h264_init_ps(h, sl);
+ if (ret < 0)
+ return ret;
+
+ sps = h->ps.sps;
+
+ last_pic_droppable = h->droppable;
+ last_pic_structure = h->picture_structure;
+ h->droppable = (nal->ref_idc == 0);
+ h->picture_structure = sl->picture_structure;
+
+ h->poc.frame_num = sl->frame_num;
+ h->poc.poc_lsb = sl->poc_lsb;
+ h->poc.delta_poc_bottom = sl->delta_poc_bottom;
+ h->poc.delta_poc[0] = sl->delta_poc[0];
+ h->poc.delta_poc[1] = sl->delta_poc[1];
+
+ /* Shorten frame num gaps so we don't have to allocate reference
+ * frames just to throw them away */
+ if (h->poc.frame_num != h->poc.prev_frame_num) {
+ int unwrap_prev_frame_num = h->poc.prev_frame_num;
+ int max_frame_num = 1 << sps->log2_max_frame_num;
+
+ if (unwrap_prev_frame_num > h->poc.frame_num)
+ unwrap_prev_frame_num -= max_frame_num;
+
+ if ((h->poc.frame_num - unwrap_prev_frame_num) > sps->ref_frame_count) {
+ unwrap_prev_frame_num = (h->poc.frame_num - sps->ref_frame_count) - 1;
+ if (unwrap_prev_frame_num < 0)
+ unwrap_prev_frame_num += max_frame_num;
+
+ h->poc.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 (h->first_field) {
- assert(h->cur_pic_ptr);
- assert(h->cur_pic_ptr->f->buf[0]);
- assert(h->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. */
+ /* 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 (h->first_field) {
+ assert(h->cur_pic_ptr);
+ assert(h->cur_pic_ptr->f->buf[0]);
+ assert(h->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(&h->cur_pic_ptr->tf, INT_MAX,
+ last_pic_structure == PICT_TOP_FIELD);
+ }
+ } else {
+ if (h->cur_pic_ptr->frame_num != h->poc.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(&h->cur_pic_ptr->tf, INT_MAX,
last_pic_structure == PICT_TOP_FIELD);
}
} else {
- if (h->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(&h->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;
- }
+ /* 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)) {
- H264Picture *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 = initialize_cur_frame(h);
- if (ret < 0) {
- h->first_field = 0;
- return ret;
- }
+ while (h->poc.frame_num != h->poc.prev_frame_num &&
+ h->poc.frame_num != (h->poc.prev_frame_num + 1) % (1 << sps->log2_max_frame_num)) {
+ H264Picture *prev = h->short_ref_count ? h->short_ref[0] : NULL;
+ av_log(h->avctx, AV_LOG_DEBUG, "Frame num gap %d %d\n",
+ h->poc.frame_num, h->poc.prev_frame_num);
+ ret = initialize_cur_frame(h);
+ if (ret < 0) {
+ h->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 &&
- h->short_ref[0]->f->width == prev->f->width &&
- h->short_ref[0]->f->height == prev->f->height &&
- h->short_ref[0]->f->format == prev->f->format) {
- av_image_copy(h->short_ref[0]->f->data,
- h->short_ref[0]->f->linesize,
- (const uint8_t **)prev->f->data,
- prev->f->linesize,
- prev->f->format,
- 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;
+ h->poc.prev_frame_num++;
+ h->poc.prev_frame_num %= 1 << sps->log2_max_frame_num;
+ h->cur_pic_ptr->frame_num = h->poc.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);
+
+ h->explicit_ref_marking = 0;
+ ret = ff_h264_execute_ref_pic_marking(h);
+ 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 &&
+ h->short_ref[0]->f->width == prev->f->width &&
+ h->short_ref[0]->f->height == prev->f->height &&
+ h->short_ref[0]->f->format == prev->f->format) {
+ av_image_copy(h->short_ref[0]->f->data,
+ h->short_ref[0]->f->linesize,
+ (const uint8_t **)prev->f->data,
+ prev->f->linesize,
+ prev->f->format,
+ h->mb_width * 16,
+ h->mb_height * 16);
+ h->short_ref[0]->poc = prev->poc + 2;
}
+ h->short_ref[0]->frame_num = h->poc.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 (h->first_field) {
+ assert(h->cur_pic_ptr);
+ assert(h->cur_pic_ptr->f->buf[0]);
+ assert(h->cur_pic_ptr->reference != DELAYED_PIC_REF);
- /* 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 (h->first_field) {
- assert(h->cur_pic_ptr);
- assert(h->cur_pic_ptr->f->buf[0]);
- assert(h->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. */
+ /* 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. */
+ h->cur_pic_ptr = NULL;
+ h->first_field = FIELD_PICTURE(h);
+ } else {
+ if (h->cur_pic_ptr->frame_num != h->poc.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. */
+ h->first_field = 1;
h->cur_pic_ptr = NULL;
- h->first_field = FIELD_PICTURE(h);
} else {
- if (h->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. */
- h->first_field = 1;
- h->cur_pic_ptr = NULL;
- } else {
- /* Second field in complementary pair */
- h->first_field = 0;
- }
+ /* Second field in complementary pair */
+ h->first_field = 0;
}
- } else {
- /* Frame or first field in a potentially complementary pair */
- h->first_field = FIELD_PICTURE(h);
}
+ } else {
+ /* Frame or first field in a potentially complementary pair */
+ h->first_field = FIELD_PICTURE(h);
+ }
- if (!FIELD_PICTURE(h) || h->first_field) {
- if (h264_frame_start(h) < 0) {
- h->first_field = 0;
- return AVERROR_INVALIDDATA;
- }
- } else {
- release_unused_pictures(h, 0);
+ if (!FIELD_PICTURE(h) || h->first_field) {
+ if (h264_frame_start(h) < 0) {
+ h->first_field = 0;
+ return AVERROR_INVALIDDATA;
}
+ } else {
+ release_unused_pictures(h, 0);
}
- 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");
+ ff_h264_init_poc(h->cur_pic_ptr->field_poc, &h->cur_pic_ptr->poc,
+ h->ps.sps, &h->poc, h->picture_structure, nal->ref_idc);
+
+ memcpy(h->mmco, sl->mmco, sl->nb_mmco * sizeof(*h->mmco));
+ h->nb_mmco = sl->nb_mmco;
+ h->explicit_ref_marking = sl->explicit_ref_marking;
+
+ /* Set the frame properties/side data. Only done for the second field in
+ * field coded frames, since some SEI information is present for each field
+ * and is merged by the SEI parsing code. */
+ if (!FIELD_PICTURE(h) || !h->first_field) {
+ ret = h264_export_frame_props(h);
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int h264_slice_header_parse(const H264Context *h, H264SliceContext *sl,
+ const H2645NAL *nal)
+{
+ const SPS *sps;
+ const PPS *pps;
+ int ret;
+ unsigned int slice_type, tmp, i;
+ int field_pic_flag, bottom_field_flag;
+ int droppable, picture_structure;
+
+ sl->first_mb_addr = get_ue_golomb(&sl->gb);
+
+ slice_type = get_ue_golomb_31(&sl->gb);
+ if (slice_type > 9) {
+ av_log(h->avctx, AV_LOG_ERROR,
+ "slice type %d too large at %d\n",
+ slice_type, sl->first_mb_addr);
return AVERROR_INVALIDDATA;
}
- sl->resync_mb_x = sl->mb_x = first_mb_in_slice % h->mb_width;
- sl->resync_mb_y = sl->mb_y = (first_mb_in_slice / h->mb_width) <<
- FIELD_OR_MBAFF_PICTURE(h);
- if (h->picture_structure == PICT_BOTTOM_FIELD)
- sl->resync_mb_y = sl->mb_y = sl->mb_y + 1;
- assert(sl->mb_y < h->mb_height);
+ if (slice_type > 4) {
+ slice_type -= 5;
+ sl->slice_type_fixed = 1;
+ } else
+ sl->slice_type_fixed = 0;
- 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);
+ slice_type = ff_h264_golomb_to_pict_type[slice_type];
+ sl->slice_type = slice_type;
+ sl->slice_type_nos = slice_type & 3;
+
+ if (nal->type == NAL_IDR_SLICE &&
+ sl->slice_type_nos != AV_PICTURE_TYPE_I) {
+ av_log(h->avctx, AV_LOG_ERROR, "A non-intra slice in an IDR NAL unit.\n");
+ return AVERROR_INVALIDDATA;
}
- if (h->nal_unit_type == NAL_IDR_SLICE)
- get_ue_golomb(&sl->gb); /* idr_pic_id */
+ sl->pps_id = get_ue_golomb(&sl->gb);
+ if (sl->pps_id >= MAX_PPS_COUNT) {
+ av_log(h->avctx, AV_LOG_ERROR, "pps_id %u out of range\n", sl->pps_id);
+ return AVERROR_INVALIDDATA;
+ }
+ if (!h->ps.pps_list[sl->pps_id]) {
+ av_log(h->avctx, AV_LOG_ERROR,
+ "non-existing PPS %u referenced\n",
+ sl->pps_id);
+ return AVERROR_INVALIDDATA;
+ }
+ pps = (const PPS*)h->ps.pps_list[sl->pps_id]->data;
+
+ if (!h->ps.sps_list[pps->sps_id]) {
+ av_log(h->avctx, AV_LOG_ERROR,
+ "non-existing SPS %u referenced\n", pps->sps_id);
+ return AVERROR_INVALIDDATA;
+ }
+ sps = (const SPS*)h->ps.sps_list[pps->sps_id]->data;
- if (h->sps.poc_type == 0) {
- int poc_lsb = get_bits(&sl->gb, h->sps.log2_max_poc_lsb);
+ sl->frame_num = get_bits(&sl->gb, sps->log2_max_frame_num);
- if (!h->setup_finished)
- h->poc_lsb = poc_lsb;
+ sl->mb_mbaff = 0;
- if (h->pps.pic_order_present == 1 && h->picture_structure == PICT_FRAME) {
- int delta_poc_bottom = get_se_golomb(&sl->gb);
- if (!h->setup_finished)
- h->delta_poc_bottom = delta_poc_bottom;
+ droppable = nal->ref_idc == 0;
+ if (sps->frame_mbs_only_flag) {
+ picture_structure = PICT_FRAME;
+ } else {
+ field_pic_flag = get_bits1(&sl->gb);
+ if (field_pic_flag) {
+ bottom_field_flag = get_bits1(&sl->gb);
+ picture_structure = PICT_TOP_FIELD + bottom_field_flag;
+ } else {
+ picture_structure = PICT_FRAME;
}
}
+ sl->picture_structure = picture_structure;
+ sl->mb_field_decoding_flag = picture_structure != PICT_FRAME;
- if (h->sps.poc_type == 1 && !h->sps.delta_pic_order_always_zero_flag) {
- int delta_poc = get_se_golomb(&sl->gb);
+ if (picture_structure == PICT_FRAME) {
+ sl->curr_pic_num = sl->frame_num;
+ sl->max_pic_num = 1 << sps->log2_max_frame_num;
+ } else {
+ sl->curr_pic_num = 2 * sl->frame_num + 1;
+ sl->max_pic_num = 1 << (sps->log2_max_frame_num + 1);
+ }
- if (!h->setup_finished)
- h->delta_poc[0] = delta_poc;
+ if (nal->type == NAL_IDR_SLICE)
+ get_ue_golomb(&sl->gb); /* idr_pic_id */
- if (h->pps.pic_order_present == 1 && h->picture_structure == PICT_FRAME) {
- delta_poc = get_se_golomb(&sl->gb);
+ if (sps->poc_type == 0) {
+ sl->poc_lsb = get_bits(&sl->gb, sps->log2_max_poc_lsb);
- if (!h->setup_finished)
- h->delta_poc[1] = delta_poc;
- }
+ if (pps->pic_order_present == 1 && picture_structure == PICT_FRAME)
+ sl->delta_poc_bottom = get_se_golomb(&sl->gb);
}
- if (!h->setup_finished)
- ff_init_poc(h, h->cur_pic_ptr->field_poc, &h->cur_pic_ptr->poc);
+ if (sps->poc_type == 1 && !sps->delta_pic_order_always_zero_flag) {
+ sl->delta_poc[0] = get_se_golomb(&sl->gb);
- if (h->pps.redundant_pic_cnt_present)
+ if (pps->pic_order_present == 1 && picture_structure == PICT_FRAME)
+ sl->delta_poc[1] = get_se_golomb(&sl->gb);
+ }
+
+ if (pps->redundant_pic_cnt_present)
sl->redundant_pic_count = get_ue_golomb(&sl->gb);
- ret = ff_set_ref_count(h, sl);
+ if (sl->slice_type_nos == AV_PICTURE_TYPE_B)
+ sl->direct_spatial_mv_pred = get_bits1(&sl->gb);
+
+ ret = ff_h264_parse_ref_count(&sl->list_count, sl->ref_count,
+ &sl->gb, pps, sl->slice_type_nos,
+ picture_structure);
if (ret < 0)
return ret;
}
}
- if ((h->pps.weighted_pred && sl->slice_type_nos == AV_PICTURE_TYPE_P) ||
- (h->pps.weighted_bipred_idc == 1 &&
- sl->slice_type_nos == AV_PICTURE_TYPE_B))
- ff_pred_weight_table(h, sl);
- else if (h->pps.weighted_bipred_idc == 2 &&
- sl->slice_type_nos == AV_PICTURE_TYPE_B) {
- implicit_weight_table(h, sl, -1);
- } else {
- sl->use_weight = 0;
- for (i = 0; i < 2; i++) {
- sl->luma_weight_flag[i] = 0;
- sl->chroma_weight_flag[i] = 0;
- }
+ sl->pwt.use_weight = 0;
+ for (i = 0; i < 2; i++) {
+ sl->pwt.luma_weight_flag[i] = 0;
+ sl->pwt.chroma_weight_flag[i] = 0;
}
+ if ((pps->weighted_pred && sl->slice_type_nos == AV_PICTURE_TYPE_P) ||
+ (pps->weighted_bipred_idc == 1 &&
+ sl->slice_type_nos == AV_PICTURE_TYPE_B))
+ ff_h264_pred_weight_table(&sl->gb, sps, sl->ref_count,
+ sl->slice_type_nos, &sl->pwt);
- // 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(h, &sl->gb,
- !(h->avctx->active_thread_type & FF_THREAD_FRAME) ||
- h->current_slice == 0);
+ sl->explicit_ref_marking = 0;
+ if (nal->ref_idc) {
+ ret = ff_h264_decode_ref_pic_marking(h, sl, &sl->gb);
if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
return AVERROR_INVALIDDATA;
}
- if (FRAME_MBAFF(h)) {
- ff_h264_fill_mbaff_ref_list(h, sl);
-
- if (h->pps.weighted_bipred_idc == 2 && sl->slice_type_nos == AV_PICTURE_TYPE_B) {
- implicit_weight_table(h, sl, 0);
- implicit_weight_table(h, sl, 1);
- }
- }
-
- if (sl->slice_type_nos == AV_PICTURE_TYPE_B && !sl->direct_spatial_mv_pred)
- ff_h264_direct_dist_scale_factor(h, sl);
- ff_h264_direct_ref_list_init(h, sl);
-
- if (sl->slice_type_nos != AV_PICTURE_TYPE_I && h->pps.cabac) {
+ if (sl->slice_type_nos != AV_PICTURE_TYPE_I && pps->cabac) {
tmp = get_ue_golomb_31(&sl->gb);
if (tmp > 2) {
av_log(h->avctx, AV_LOG_ERROR, "cabac_init_idc %u overflow\n", tmp);
}
sl->last_qscale_diff = 0;
- tmp = h->pps.init_qp + get_se_golomb(&sl->gb);
- if (tmp > 51 + 6 * (h->sps.bit_depth_luma - 8)) {
+ tmp = pps->init_qp + get_se_golomb(&sl->gb);
+ if (tmp > 51 + 6 * (sps->bit_depth_luma - 8)) {
av_log(h->avctx, AV_LOG_ERROR, "QP %u out of range\n", tmp);
return AVERROR_INVALIDDATA;
}
sl->qscale = tmp;
- sl->chroma_qp[0] = get_chroma_qp(h, 0, sl->qscale);
- sl->chroma_qp[1] = get_chroma_qp(h, 1, sl->qscale);
+ sl->chroma_qp[0] = get_chroma_qp(pps, 0, sl->qscale);
+ sl->chroma_qp[1] = get_chroma_qp(pps, 1, sl->qscale);
// FIXME qscale / qp ... stuff
if (sl->slice_type == AV_PICTURE_TYPE_SP)
get_bits1(&sl->gb); /* sp_for_switch_flag */
sl->deblocking_filter = 1;
sl->slice_alpha_c0_offset = 0;
sl->slice_beta_offset = 0;
- if (h->pps.deblocking_filter_parameters_present) {
+ if (pps->deblocking_filter_parameters_present) {
tmp = get_ue_golomb_31(&sl->gb);
if (tmp > 2) {
av_log(h->avctx, AV_LOG_ERROR,
}
}
+ return 0;
+}
+
+/**
+ * Decode a slice header.
+ * This will (re)initialize the decoder and call h264_frame_start() as needed.
+ *
+ * @param h h264context
+ *
+ * @return 0 if okay, <0 if an error occurred
+ */
+int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl,
+ const H2645NAL *nal)
+{
+ int i, j, ret = 0;
+
+ ret = h264_slice_header_parse(h, sl, nal);
+ if (ret < 0)
+ return ret;
+
+ if (!h->setup_finished) {
+ if (sl->first_mb_addr == 0) { // FIXME better field boundary detection
+ if (h->current_slice && h->cur_pic_ptr && FIELD_PICTURE(h)) {
+ ff_h264_field_end(h, sl, 1);
+ }
+
+ h->current_slice = 0;
+ if (!h->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;
+ }
+ }
+
+ if (h->current_slice == 0) {
+ ret = h264_field_start(h, sl, nal);
+ if (ret < 0)
+ return ret;
+ }
+ }
+
+ if (h->current_slice > 0) {
+ if (h->ps.pps != (const PPS*)h->ps.pps_list[sl->pps_id]->data) {
+ av_log(h->avctx, AV_LOG_ERROR, "PPS changed between slices\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ if (h->picture_structure != sl->picture_structure ||
+ h->droppable != (nal->ref_idc == 0)) {
+ av_log(h->avctx, AV_LOG_ERROR,
+ "Changing field mode (%d -> %d) between slices is not allowed\n",
+ h->picture_structure, sl->picture_structure);
+ return AVERROR_INVALIDDATA;
+ } else if (!h->cur_pic_ptr) {
+ av_log(h->avctx, AV_LOG_ERROR,
+ "unset cur_pic_ptr on slice %d\n",
+ h->current_slice + 1);
+ return AVERROR_INVALIDDATA;
+ }
+ }
+
+ assert(h->mb_num == h->mb_width * h->mb_height);
+ if (sl->first_mb_addr << FIELD_OR_MBAFF_PICTURE(h) >= h->mb_num ||
+ sl->first_mb_addr >= h->mb_num) {
+ av_log(h->avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\n");
+ return AVERROR_INVALIDDATA;
+ }
+ sl->resync_mb_x = sl->mb_x = sl->first_mb_addr % h->mb_width;
+ sl->resync_mb_y = sl->mb_y = (sl->first_mb_addr / h->mb_width) <<
+ FIELD_OR_MBAFF_PICTURE(h);
+ if (h->picture_structure == PICT_BOTTOM_FIELD)
+ sl->resync_mb_y = sl->mb_y = sl->mb_y + 1;
+ assert(sl->mb_y < h->mb_height);
+
+ ret = ff_h264_build_ref_list(h, sl);
+ if (ret < 0)
+ return ret;
+
+ if (h->ps.pps->weighted_bipred_idc == 2 &&
+ sl->slice_type_nos == AV_PICTURE_TYPE_B) {
+ implicit_weight_table(h, sl, -1);
+ if (FRAME_MBAFF(h)) {
+ implicit_weight_table(h, sl, 0);
+ implicit_weight_table(h, sl, 1);
+ }
+ }
+
+ if (sl->slice_type_nos == AV_PICTURE_TYPE_B && !sl->direct_spatial_mv_pred)
+ ff_h264_direct_dist_scale_factor(h, sl);
+ ff_h264_direct_ref_list_init(h, sl);
+
if (h->avctx->skip_loop_filter >= AVDISCARD_ALL ||
(h->avctx->skip_loop_filter >= AVDISCARD_NONKEY &&
sl->slice_type_nos != AV_PICTURE_TYPE_I) ||
(h->avctx->skip_loop_filter >= AVDISCARD_BIDIR &&
sl->slice_type_nos == AV_PICTURE_TYPE_B) ||
(h->avctx->skip_loop_filter >= AVDISCARD_NONREF &&
- h->nal_ref_idc == 0))
+ nal->ref_idc == 0))
sl->deblocking_filter = 0;
- if (sl->deblocking_filter == 1 && h->max_contexts > 1) {
+ if (sl->deblocking_filter == 1 && h->nb_slice_ctx > 1) {
if (h->avctx->flags2 & AV_CODEC_FLAG2_FAST) {
/* Cheat slightly for speed:
* Do not bother to deblock across slices. */
sl->deblocking_filter = 2;
} else {
- h->max_contexts = 1;
- if (!h->single_decode_warning) {
- av_log(h->avctx, AV_LOG_INFO,
- "Cannot parallelize deblocking type 1, decoding such frames in sequential order\n");
- h->single_decode_warning = 1;
- }
- if (sl != h->slice_ctx) {
- av_log(h->avctx, AV_LOG_ERROR,
- "Deblocking switched inside frame.\n");
- return 1;
- }
+ h->postpone_filter = 1;
}
}
sl->qp_thresh = 15 -
FFMIN(sl->slice_alpha_c0_offset, sl->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);
+ h->ps.pps->chroma_qp_index_offset[0],
+ h->ps.pps->chroma_qp_index_offset[1]) +
+ 6 * (h->ps.sps->bit_depth_luma - 8);
sl->slice_num = ++h->current_slice;
if (sl->slice_num >= MAX_SLICES) {
for (j = 0; j < 2; j++) {
int id_list[16];
- int *ref2frm = sl->ref2frm[sl->slice_num & (MAX_SLICES - 1)][j];
+ int *ref2frm = h->ref2frm[sl->slice_num & (MAX_SLICES - 1)][j];
for (i = 0; i < 16; i++) {
id_list[i] = 60;
if (j < sl->list_count && i < sl->ref_count[j] &&
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",
+ "slice:%d %s mb:%d %c%s%s frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s %s\n",
sl->slice_num,
(h->picture_structure == PICT_FRAME ? "F" : h->picture_structure == PICT_TOP_FIELD ? "T" : "B"),
- first_mb_in_slice,
+ sl->mb_y * h->mb_width + sl->mb_x,
av_get_picture_type_char(sl->slice_type),
sl->slice_type_fixed ? " fix" : "",
- h->nal_unit_type == NAL_IDR_SLICE ? " IDR" : "",
- pps_id, h->frame_num,
+ nal->type == NAL_IDR_SLICE ? " IDR" : "",
+ h->poc.frame_num,
h->cur_pic_ptr->field_poc[0],
h->cur_pic_ptr->field_poc[1],
sl->ref_count[0], sl->ref_count[1],
sl->qscale,
sl->deblocking_filter,
sl->slice_alpha_c0_offset, sl->slice_beta_offset,
- sl->use_weight,
- sl->use_weight == 1 && sl->use_weight_chroma ? "c" : "",
+ sl->pwt.use_weight,
+ sl->pwt.use_weight == 1 && sl->pwt.use_weight_chroma ? "c" : "",
sl->slice_type == AV_PICTURE_TYPE_B ? (sl->direct_spatial_mv_pred ? "SPAT" : "TEMP") : "");
}
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] = sl->ref2frm[h->slice_table[top_xy] & (MAX_SLICES - 1)][0] + (MB_MBAFF(sl) ? 20 : 2);
+ int (*ref2frm)[64] = h->ref2frm[h->slice_table[top_xy] & (MAX_SLICES - 1)][0] + (MB_MBAFF(sl) ? 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]];
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] = sl->ref2frm[h->slice_table[left_xy[LTOP]] & (MAX_SLICES - 1)][0] + (MB_MBAFF(sl) ? 20 : 2);
+ int (*ref2frm)[64] = h->ref2frm[h->slice_table[left_xy[LTOP]] & (MAX_SLICES - 1)][0] + (MB_MBAFF(sl) ? 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]);
{
int8_t *ref = &h->cur_pic.ref_index[list][4 * mb_xy];
- int (*ref2frm)[64] = sl->ref2frm[sl->slice_num & (MAX_SLICES - 1)][0] + (MB_MBAFF(sl) ? 20 : 2);
+ int (*ref2frm)[64] = h->ref2frm[sl->slice_num & (MAX_SLICES - 1)][0] + (MB_MBAFF(sl) ? 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);
top_xy = mb_xy - (h->mb_stride << MB_FIELD(sl));
- /* 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]);
/* 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 (!CABAC(h) && h->ps.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;
const int pixel_shift = h->pixel_shift;
const int block_h = 16 >> h->chroma_y_shift;
+ if (h->postpone_filter)
+ return;
+
if (sl->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 = sl->mb_xy = mb_x + mb_y * h->mb_stride;
- sl->slice_num = h->slice_table[mb_xy];
mb_type = h->cur_pic.mb_type[mb_xy];
- sl->list_count = h->list_counts[mb_xy];
if (FRAME_MBAFF(h))
sl->mb_mbaff =
uvlinesize, 0);
if (fill_filter_caches(h, sl, mb_type))
continue;
- sl->chroma_qp[0] = get_chroma_qp(h, 0, h->cur_pic.qscale_table[mb_xy]);
- sl->chroma_qp[1] = get_chroma_qp(h, 1, h->cur_pic.qscale_table[mb_xy]);
+ sl->chroma_qp[0] = get_chroma_qp(h->ps.pps, 0, h->cur_pic.qscale_table[mb_xy]);
+ sl->chroma_qp[1] = get_chroma_qp(h->ps.pps, 1, h->cur_pic.qscale_table[mb_xy]);
if (FRAME_MBAFF(h)) {
ff_h264_filter_mb(h, sl, mb_x, mb_y, dest_y, dest_cb, dest_cr,
sl->slice_type = old_slice_type;
sl->mb_x = end_x;
sl->mb_y = end_mb_y - FRAME_MBAFF(h);
- sl->chroma_qp[0] = get_chroma_qp(h, 0, sl->qscale);
- sl->chroma_qp[1] = get_chroma_qp(h, 1, sl->qscale);
+ sl->chroma_qp[0] = get_chroma_qp(h->ps.pps, 0, sl->qscale);
+ sl->chroma_qp[1] = get_chroma_qp(h->ps.pps, 1, sl->qscale);
}
static void predict_field_decoding_flag(const H264Context *h, H264SliceContext *sl)
H264SliceContext *sl = arg;
const H264Context *h = sl->h264;
int lf_x_start = sl->mb_x;
+ int orig_deblock = sl->deblocking_filter;
int ret;
sl->linesize = h->cur_pic_ptr->f->linesize[0];
sl->mb_skip_run = -1;
+ if (h->postpone_filter)
+ sl->deblocking_filter = 0;
+
sl->is_complex = FRAME_MBAFF(h) || h->picture_structure != PICT_FRAME ||
avctx->codec_id != AV_CODEC_ID_H264 ||
(CONFIG_GRAY && (h->flags & AV_CODEC_FLAG_GRAY));
- if (h->pps.cabac) {
+ if (h->ps.pps->cabac) {
/* realign */
align_get_bits(&sl->gb);
sl->mb_y, ER_MB_END);
if (sl->mb_x >= lf_x_start)
loop_filter(h, sl, lf_x_start, sl->mb_x + 1);
- return 0;
+ goto finish;
}
if (ret < 0 || sl->cabac.bytestream > sl->cabac.bytestream_end + 2) {
av_log(h->avctx, AV_LOG_ERROR,
sl->mb_y, ER_MB_END);
if (sl->mb_x > lf_x_start)
loop_filter(h, sl, lf_x_start, sl->mb_x);
- return 0;
+ goto finish;
}
}
} else {
er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y,
sl->mb_x - 1, sl->mb_y, ER_MB_END);
- return 0;
+ goto finish;
} else {
er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y,
sl->mb_x - 1, sl->mb_y, ER_MB_END);
if (sl->mb_x > lf_x_start)
loop_filter(h, sl, lf_x_start, sl->mb_x);
- return 0;
+ goto finish;
} else {
er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
sl->mb_y, ER_MB_ERROR);
}
}
}
+
+finish:
+ sl->deblocking_filter = orig_deblock;
+ return 0;
}
/**
int ret;
h->slice_ctx[0].next_slice_idx = h->mb_width * h->mb_height;
+ h->postpone_filter = 0;
ret = decode_slice(avctx, &h->slice_ctx[0]);
h->mb_y = h->slice_ctx[0].mb_y;
h->mb_y = sl->mb_y;
for (i = 1; i < context_count; i++)
h->slice_ctx[0].er.error_count += h->slice_ctx[i].er.error_count;
+
+ if (h->postpone_filter) {
+ h->postpone_filter = 0;
+
+ for (i = 0; i < context_count; i++) {
+ int y_end, x_end;
+
+ sl = &h->slice_ctx[i];
+ y_end = FFMIN(sl->mb_y + 1, h->mb_height);
+ x_end = (sl->mb_y >= h->mb_height) ? h->mb_width : sl->mb_x;
+
+ for (j = sl->resync_mb_y; j < y_end; j += 1 + FIELD_OR_MBAFF_PICTURE(h)) {
+ sl->mb_y = j;
+ loop_filter(h, sl, j > sl->resync_mb_y ? 0 : sl->resync_mb_x,
+ j == y_end - 1 ? x_end : h->mb_width);
+ }
+ }
+ }
}
return 0;
projects / ffmpeg / blobdiff