/* release non reference frames */
for (i = 0; i < H264_MAX_PICTURE_COUNT; i++) {
- if (h->DPB[i].f.buf[0] && !h->DPB[i].reference &&
+ if (h->DPB[i].f->buf[0] && !h->DPB[i].reference &&
(remove_current || &h->DPB[i] != h->cur_pic_ptr)) {
ff_h264_unref_picture(h, &h->DPB[i]);
}
}
}
-static int alloc_scratch_buffers(H264Context *h, int linesize)
+static int alloc_scratch_buffers(H264SliceContext *sl, int linesize)
{
+ const H264Context *h = sl->h264;
int alloc_size = FFALIGN(FFABS(linesize) + 32, 32);
- if (h->bipred_scratchpad)
- return 0;
-
- h->bipred_scratchpad = av_malloc(16 * 6 * alloc_size);
+ av_fast_malloc(&sl->bipred_scratchpad, &sl->bipred_scratchpad_allocated, 16 * 6 * alloc_size);
// edge emu needs blocksize + filter length - 1
// (= 21x21 for h264)
- h->edge_emu_buffer = av_mallocz(alloc_size * 2 * 21);
-
- if (!h->bipred_scratchpad || !h->edge_emu_buffer) {
- av_freep(&h->bipred_scratchpad);
- av_freep(&h->edge_emu_buffer);
+ 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],
+ h->mb_width * 16 * 3 * sizeof(uint8_t) * 2);
+ av_fast_malloc(&sl->top_borders[1], &sl->top_borders_allocated[1],
+ h->mb_width * 16 * 3 * sizeof(uint8_t) * 2);
+
+ if (!sl->bipred_scratchpad || !sl->edge_emu_buffer ||
+ !sl->top_borders[0] || !sl->top_borders[1]) {
+ av_freep(&sl->bipred_scratchpad);
+ av_freep(&sl->edge_emu_buffer);
+ av_freep(&sl->top_borders[0]);
+ av_freep(&sl->top_borders[1]);
+
+ sl->bipred_scratchpad_allocated = 0;
+ sl->edge_emu_buffer_allocated = 0;
+ sl->top_borders_allocated[0] = 0;
+ sl->top_borders_allocated[1] = 0;
return AVERROR(ENOMEM);
}
{
int i, ret = 0;
- av_assert0(!pic->f.data[0]);
+ av_assert0(!pic->f->data[0]);
- pic->tf.f = &pic->f;
+ 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);
static inline int pic_is_unused(H264Context *h, H264Picture *pic)
{
- if (!pic->f.buf[0])
- return 1;
- if (pic->needs_realloc && !(pic->reference & DELAYED_PIC_REF))
+ if (!pic->f->buf[0])
return 1;
return 0;
}
if (i == H264_MAX_PICTURE_COUNT)
return AVERROR_INVALIDDATA;
- if (h->DPB[i].needs_realloc) {
- h->DPB[i].needs_realloc = 0;
- ff_h264_unref_picture(h, &h->DPB[i]);
- }
-
return i;
}
}
}
-/**
- * Mimic alloc_tables(), but for every context thread.
- */
-static void clone_tables(H264Context *dst, H264SliceContext *sl,
- H264Context *src, int i)
-{
- sl->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;
- ff_h264_pred_init(&dst->hpc, src->avctx->codec_id, src->sps.bit_depth_luma,
- src->sps.chroma_format_idc);
-}
-
#define IN_RANGE(a, b, size) (((a) >= (b)) && ((a) < ((b) + (size))))
#define REBASE_PICTURE(pic, new_ctx, old_ctx) \
memcpy(&to->start_field, &from->start_field, \
(char *)&to->end_field - (char *)&to->start_field)
-static int h264_slice_header_init(H264Context *h, int reinit);
+static int h264_slice_header_init(H264Context *h);
int ff_h264_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 need_reinit = 0;
int i, ret;
if (dst == src || !h1->context_initialized)
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)) {
+ need_reinit = 1;
+ }
- /* 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);
+ // 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;
+ if (need_reinit || !inited) {
h->width = h1->width;
h->height = h1->height;
h->mb_height = h1->mb_height;
h->mb_stride = h1->mb_stride;
h->b_stride = h1->b_stride;
- if ((err = h264_slice_header_init(h, 1)) < 0) {
+ if ((err = h264_slice_header_init(h)) < 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) {
- H264SliceContext *orig_slice_ctx = h->slice_ctx;
-
- 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));
- 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->slice_ctx = orig_slice_ctx;
-
- memset(&h->slice_ctx[0].mb, 0, sizeof(h->slice_ctx[0].mb));
- memset(&h->slice_ctx[0].mb_luma_dc, 0, sizeof(h->slice_ctx[0].mb_luma_dc));
- memset(&h->slice_ctx[0].mb_padding, 0, sizeof(h->slice_ctx[0].mb_padding));
-
- 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\n");
- return ret;
- }
- ret = ff_h264_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;
for (i = 0; i < H264_MAX_PICTURE_COUNT; i++) {
ff_h264_unref_picture(h, &h->DPB[i]);
- if (h1->DPB[i].f.buf[0] &&
+ if (h1->DPB[i].f->buf[0] &&
(ret = ff_h264_ref_picture(h, &h->DPB[i], &h1->DPB[i])) < 0)
return ret;
}
h->cur_pic_ptr = REBASE_PICTURE(h1->cur_pic_ptr, h, h1);
ff_h264_unref_picture(h, &h->cur_pic);
- if (h1->cur_pic.f.buf[0]) {
+ if (h1->cur_pic.f->buf[0]) {
ret = ff_h264_ref_picture(h, &h->cur_pic, &h1->cur_pic);
if (ret < 0)
return ret;
}
+ h->enable_er = h1->enable_er;
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;
+ h->nal_length_size = h1->nal_length_size;
// Dequantization matrices
// FIXME these are big - can they be only copied when PPS changes?
h->dequant_coeff_pps = h1->dequant_coeff_pps;
// POC timing
- copy_fields(h, h1, poc_lsb, redundant_pic_count);
+ copy_fields(h, h1, poc_lsb, default_ref_list);
// reference lists
- copy_fields(h, h1, short_ref, cabac_init_idc);
+ copy_fields(h, h1, short_ref, current_slice);
copy_picture_range(h->short_ref, h1->short_ref, 32, h, h1);
copy_picture_range(h->long_ref, h1->long_ref, 32, h, h1);
h->last_slice_type = h1->last_slice_type;
- if (context_reinitialized)
- ff_h264_set_parameter_from_sps(h);
-
if (!h->cur_pic_ptr)
return 0;
}
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;
pic = &h->DPB[i];
pic->reference = h->droppable ? 0 : h->picture_structure;
- pic->f.coded_picture_number = h->coded_picture_number++;
+ 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->f->key_frame = 0;
pic->mmco_reset = 0;
pic->recovered = 0;
if ((ret = ff_h264_ref_picture(h, &h->cur_pic, h->cur_pic_ptr)) < 0)
return ret;
- if (CONFIG_ERROR_RESILIENCE)
- ff_er_frame_start(&h->er);
-
- assert(h->linesize && h->uvlinesize);
+ if (CONFIG_ERROR_RESILIENCE && h->enable_er)
+ ff_er_frame_start(&h->slice_ctx[0].er);
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);
+ h->block_offset[i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 4 * pic->f->linesize[0] * ((scan8[i] - scan8[0]) >> 3);
+ h->block_offset[48 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 8 * pic->f->linesize[0] * ((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[32 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 4 * pic->f->linesize[1] * ((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);
+ h->block_offset[48 + 32 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 8 * pic->f->linesize[1] * ((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,
return 0;
}
-static av_always_inline void backup_mb_border(H264Context *h, uint8_t *src_y,
+static av_always_inline void backup_mb_border(const H264Context *h, H264SliceContext *sl,
+ uint8_t *src_y,
uint8_t *src_cb, uint8_t *src_cr,
int linesize, int uvlinesize,
int simple)
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];
+ if (sl->mb_y & 1) {
+ if (!MB_MBAFF(sl)) {
+ top_border = sl->top_borders[0][sl->mb_x];
AV_COPY128(top_border, src_y + 15 * linesize);
if (pixel_shift)
AV_COPY128(top_border + 16, src_y + 15 * linesize + 16);
}
}
}
- } else if (MB_MBAFF(h)) {
+ } else if (MB_MBAFF(sl)) {
top_idx = 0;
} else
return;
}
- top_border = h->top_borders[top_idx][h->mb_x];
+ top_border = sl->top_borders[top_idx][sl->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);
* @param field 0/1 initialize the weight for interlaced MBAFF
* -1 initializes the rest
*/
-static void implicit_weight_table(H264Context *h, H264SliceContext *sl, int field)
+static void implicit_weight_table(const H264Context *h, H264SliceContext *sl, int field)
{
int ref0, ref1, i, cur_poc, ref_start, ref_count0, ref_count1;
int poc0 = sl->ref_list[0][ref0].poc;
for (ref1 = ref_start; ref1 < ref_count1; ref1++) {
int w = 32;
- if (!sl->ref_list[0][ref0].long_ref && !sl->ref_list[1][ref1].long_ref) {
+ if (!sl->ref_list[0][ref0].parent->long_ref && !sl->ref_list[1][ref1].parent->long_ref) {
int poc1 = sl->ref_list[1][ref1].poc;
int td = av_clip_int8(poc1 - poc0);
if (td) {
}
}
-/**
- * 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;
-}
-
static enum AVPixelFormat get_pixel_format(H264Context *h)
{
#define HWACCEL_MAX (CONFIG_H264_DXVA2_HWACCEL + \
+ CONFIG_H264_D3D11VA_HWACCEL + \
CONFIG_H264_VAAPI_HWACCEL + \
(CONFIG_H264_VDA_HWACCEL * 2) + \
CONFIG_H264_VDPAU_HWACCEL)
#if CONFIG_H264_DXVA2_HWACCEL
*fmt++ = AV_PIX_FMT_DXVA2_VLD;
#endif
+#if CONFIG_H264_D3D11VA_HWACCEL
+ *fmt++ = AV_PIX_FMT_D3D11VA_VLD;
+#endif
#if CONFIG_H264_VAAPI_HWACCEL
*fmt++ = AV_PIX_FMT_VAAPI_VLD;
#endif
{
int width = h->width - (h->sps.crop_right + h->sps.crop_left);
int height = h->height - (h->sps.crop_top + h->sps.crop_bottom);
- int crop_present = h->sps.crop_left || h->sps.crop_top ||
- h->sps.crop_right || h->sps.crop_bottom;
/* handle container cropping */
- if (!crop_present &&
- FFALIGN(h->avctx->width, 16) == h->width &&
- FFALIGN(h->avctx->height, 16) == h->height) {
+ if (FFALIGN(h->avctx->width, 16) == FFALIGN(width, 16) &&
+ FFALIGN(h->avctx->height, 16) == FFALIGN(height, 16)) {
width = h->avctx->width;
height = h->avctx->height;
}
return 0;
}
-static int h264_slice_header_init(H264Context *h, int reinit)
+static int h264_slice_header_init(H264Context *h)
{
int nb_slices = (HAVE_THREADS &&
h->avctx->active_thread_type & FF_THREAD_SLICE) ?
h->sps.num_units_in_tick, den, 1 << 30);
}
- if (reinit)
- ff_h264_free_tables(h, 0);
+ ff_h264_free_tables(h);
+
h->first_field = 0;
h->prev_interlaced_frame = 1;
return ret;
}
+ if (h->sps.bit_depth_luma < 8 || h->sps.bit_depth_luma > 10) {
+ av_log(h->avctx, AV_LOG_ERROR, "Unsupported bit depth %d\n",
+ h->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;
+
+ 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)
h->slice_context_count = nb_slices;
if (!HAVE_THREADS || !(h->avctx->active_thread_type & FF_THREAD_SLICE)) {
- ret = ff_h264_context_init(h);
+ ret = ff_h264_slice_context_init(h, &h->slice_ctx[0]);
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->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->droppable = h->droppable;
- 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;
-
- h->slice_ctx[i].h264 = c;
-
- init_scan_tables(c);
- clone_tables(c, &h->slice_ctx[i], h, i);
- c->context_initialized = 1;
- }
+ for (i = 0; i < h->slice_context_count; i++) {
+ H264SliceContext *sl = &h->slice_ctx[i];
- for (i = 0; i < h->slice_context_count; i++)
- if ((ret = ff_h264_context_init(h->thread_context[i])) < 0) {
+ sl->h264 = h;
+ sl->intra4x4_pred_mode = h->intra4x4_pred_mode + i * 8 * 2 * h->mb_stride;
+ sl->mvd_table[0] = h->mvd_table[0] + i * 8 * 2 * h->mb_stride;
+ sl->mvd_table[1] = h->mvd_table[1] + i * 8 * 2 * h->mb_stride;
+
+ if ((ret = ff_h264_slice_context_init(h, sl)) < 0) {
av_log(h->avctx, AV_LOG_ERROR, "context_init() failed.\n");
return ret;
}
+ }
}
h->context_initialized = 1;
* This will (re)intialize the decoder and call h264_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
*/
-int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl, H264Context *h0)
+int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl)
{
unsigned int first_mb_in_slice;
unsigned int pps_id;
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;
- first_mb_in_slice = get_ue_golomb(&h->gb);
+ first_mb_in_slice = get_ue_golomb(&sl->gb);
if (first_mb_in_slice == 0) { // FIXME better field boundary detection
- if (h0->current_slice && h->cur_pic_ptr && FIELD_PICTURE(h)) {
+ if (h->current_slice && h->cur_pic_ptr && FIELD_PICTURE(h)) {
ff_h264_field_end(h, sl, 1);
}
- h0->current_slice = 0;
- if (!h0->first_field) {
+ 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);
}
}
- slice_type = get_ue_golomb_31(&h->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 %d\n",
- slice_type, h->mb_x, h->mb_y);
+ "slice type %d too large at %d\n",
+ slice_type, first_mb_in_slice);
return AVERROR_INVALIDDATA;
}
if (slice_type > 4) {
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)) {
+ (h->current_slice != 0 && slice_type == h->last_slice_type)) {
default_ref_list_done = 1;
}
sl->slice_type = slice_type;
}
// to make a few old functions happy, it's wrong though
- h->pict_type = sl->slice_type;
+ if (!h->setup_finished)
+ h->pict_type = sl->slice_type;
- pps_id = get_ue_golomb(&h->gb);
+ 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 (!h0->pps_buffers[pps_id]) {
+ if (!h->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 (!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 (!h0->sps_buffers[h->pps.sps_id]) {
+ 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);
}
if (h->pps.sps_id != h->sps.sps_id ||
- h0->sps_buffers[h->pps.sps_id]->new) {
- h0->sps_buffers[h->pps.sps_id]->new = 0;
+ h->sps_buffers[h->pps.sps_id]->new) {
+ h->sps_buffers[h->pps.sps_id]->new = 0;
- h->sps = *h0->sps_buffers[h->pps.sps_id];
+ 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) {
- h->bit_depth_luma = h->sps.bit_depth_luma;
- h->chroma_format_idc = h->sps.chroma_format_idc;
+ h->chroma_format_idc != h->sps.chroma_format_idc)
needs_reinit = 1;
+
+ 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 ((ret = ff_h264_set_parameter_from_sps(h)) < 0)
- return ret;
+
+ if (h->avctx->has_b_frames < 2)
+ h->avctx->has_b_frames = !h->low_delay;
+
}
- 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->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;
- 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 != 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->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->b_stride = h->mb_width * 4;
- h->chroma_y_shift = h->sps.chroma_format_idc <= 1; // 400 uses yuv420p
+ 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;
+ 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 (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 && needs_reinit) {
- if (h != h0) {
+ h->context_initialized = 0;
+ if (sl != h->slice_ctx) {
av_log(h->avctx, AV_LOG_ERROR,
"changing width %d -> %d / height %d -> %d on "
"slice %d\n",
h->width, h->avctx->coded_width,
h->height, h->avctx->coded_height,
- h0->current_slice + 1);
+ h->current_slice + 1);
return AVERROR_INVALIDDATA;
}
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) {
+ if ((ret = h264_slice_header_init(h)) < 0) {
av_log(h->avctx, AV_LOG_ERROR,
"h264_slice_header_init() failed\n");
return ret;
}
}
if (!h->context_initialized) {
- if (h != h0) {
+ if (sl != h->slice_ctx) {
av_log(h->avctx, AV_LOG_ERROR,
"Cannot (re-)initialize context during parallel decoding.\n");
return AVERROR_PATCHWELCOME;
return ret;
h->avctx->pix_fmt = ret;
- if ((ret = h264_slice_header_init(h, 0)) < 0) {
+ if ((ret = h264_slice_header_init(h)) < 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) {
+ if (sl == h->slice_ctx && h->dequant_coeff_pps != pps_id) {
h->dequant_coeff_pps = pps_id;
h264_init_dequant_tables(h);
}
- h->frame_num = get_bits(&h->gb, h->sps.log2_max_frame_num);
+ frame_num = get_bits(&sl->gb, h->sps.log2_max_frame_num);
+ if (!h->setup_finished)
+ h->frame_num = frame_num;
+
+ sl->mb_mbaff = 0;
- 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;
+ last_pic_structure = h->picture_structure;
+ last_pic_droppable = h->droppable;
+
+ droppable = h->nal_ref_idc == 0;
if (h->sps.frame_mbs_only_flag) {
- h->picture_structure = PICT_FRAME;
+ picture_structure = PICT_FRAME;
} else {
- field_pic_flag = get_bits1(&h->gb);
+ field_pic_flag = get_bits1(&sl->gb);
if (field_pic_flag) {
- bottom_field_flag = get_bits1(&h->gb);
- h->picture_structure = PICT_TOP_FIELD + bottom_field_flag;
+ bottom_field_flag = get_bits1(&sl->gb);
+ picture_structure = PICT_TOP_FIELD + bottom_field_flag;
} else {
- h->picture_structure = PICT_FRAME;
- h->mb_aff_frame = h->sps.mb_aff;
+ picture_structure = PICT_FRAME;
+ mb_aff_frame = h->sps.mb_aff;
}
}
- h->mb_field_decoding_flag = h->picture_structure != PICT_FRAME;
+ if (!h->setup_finished) {
+ h->droppable = droppable;
+ h->picture_structure = picture_structure;
+ h->mb_aff_frame = mb_aff_frame;
+ }
+ sl->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) {
+ 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);
- h->picture_structure = last_pic_structure;
- h->droppable = last_pic_droppable;
return AVERROR_INVALIDDATA;
- } else if (!h0->cur_pic_ptr) {
+ } else if (!h->cur_pic_ptr) {
av_log(h->avctx, AV_LOG_ERROR,
"unset cur_pic_ptr on slice %d\n",
- h0->current_slice + 1);
+ h->current_slice + 1);
return AVERROR_INVALIDDATA;
}
} else {
* 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);
+ 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(&h0->cur_pic_ptr->tf, INT_MAX,
+ ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
last_pic_structure == PICT_TOP_FIELD);
}
} else {
- if (h0->cur_pic_ptr->frame_num != h->frame_num) {
+ 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(&h0->cur_pic_ptr->tf, INT_MAX,
+ ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
last_pic_structure == PICT_TOP_FIELD);
}
} else {
h->frame_num, h->prev_frame_num);
ret = h264_frame_start(h);
if (ret < 0) {
- h0->first_field = 0;
+ h->first_field = 0;
return ret;
}
* 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,
+ 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;
/* 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);
+ 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. */
- h0->cur_pic_ptr = NULL;
- h0->first_field = FIELD_PICTURE(h);
+ h->cur_pic_ptr = NULL;
+ h->first_field = FIELD_PICTURE(h);
} else {
- if (h0->cur_pic_ptr->frame_num != h->frame_num) {
+ 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. */
- h0->first_field = 1;
- h0->cur_pic_ptr = NULL;
+ h->first_field = 1;
+ h->cur_pic_ptr = NULL;
} else {
/* Second field in complementary pair */
- h0->first_field = 0;
+ h->first_field = 0;
}
}
} else {
/* Frame or first field in a potentially complementary pair */
- h0->first_field = FIELD_PICTURE(h);
+ h->first_field = FIELD_PICTURE(h);
}
- if (!FIELD_PICTURE(h) || h0->first_field) {
+ if (!FIELD_PICTURE(h) || h->first_field) {
if (h264_frame_start(h) < 0) {
- h0->first_field = 0;
+ h->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
+ if (!h->setup_finished)
+ 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 ||
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);
+ 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)
- h->resync_mb_y = h->mb_y = h->mb_y + 1;
- assert(h->mb_y < h->mb_height);
+ sl->resync_mb_y = sl->mb_y = sl->mb_y + 1;
+ assert(sl->mb_y < h->mb_height);
if (h->picture_structure == PICT_FRAME) {
h->curr_pic_num = h->frame_num;
}
if (h->nal_unit_type == NAL_IDR_SLICE)
- get_ue_golomb(&h->gb); /* idr_pic_id */
+ get_ue_golomb(&sl->gb); /* idr_pic_id */
if (h->sps.poc_type == 0) {
- h->poc_lsb = get_bits(&h->gb, h->sps.log2_max_poc_lsb);
+ int poc_lsb = get_bits(&sl->gb, h->sps.log2_max_poc_lsb);
+
+ if (!h->setup_finished)
+ h->poc_lsb = 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->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;
+ }
}
if (h->sps.poc_type == 1 && !h->sps.delta_pic_order_always_zero_flag) {
- h->delta_poc[0] = get_se_golomb(&h->gb);
+ int delta_poc = get_se_golomb(&sl->gb);
+
+ if (!h->setup_finished)
+ h->delta_poc[0] = delta_poc;
- if (h->pps.pic_order_present == 1 && h->picture_structure == PICT_FRAME)
- h->delta_poc[1] = get_se_golomb(&h->gb);
+ if (h->pps.pic_order_present == 1 && h->picture_structure == PICT_FRAME) {
+ delta_poc = get_se_golomb(&sl->gb);
+
+ if (!h->setup_finished)
+ h->delta_poc[1] = delta_poc;
+ }
}
- ff_init_poc(h, h->cur_pic_ptr->field_poc, &h->cur_pic_ptr->poc);
+ if (!h->setup_finished)
+ 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);
+ sl->redundant_pic_count = get_ue_golomb(&sl->gb);
ret = ff_set_ref_count(h, sl);
if (ret < 0)
// 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,
+ ret = ff_h264_decode_ref_pic_marking(h, &sl->gb,
!(h->avctx->active_thread_type & FF_THREAD_FRAME) ||
- h0->current_slice == 0);
+ h->current_slice == 0);
if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
return AVERROR_INVALIDDATA;
}
ff_h264_direct_ref_list_init(h, sl);
if (sl->slice_type_nos != AV_PICTURE_TYPE_I && h->pps.cabac) {
- tmp = get_ue_golomb_31(&h->gb);
+ tmp = get_ue_golomb_31(&sl->gb);
if (tmp > 2) {
av_log(h->avctx, AV_LOG_ERROR, "cabac_init_idc %u overflow\n", tmp);
return AVERROR_INVALIDDATA;
}
- h->cabac_init_idc = tmp;
+ sl->cabac_init_idc = tmp;
}
sl->last_qscale_diff = 0;
- tmp = h->pps.init_qp + get_se_golomb(&h->gb);
+ tmp = h->pps.init_qp + get_se_golomb(&sl->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;
sl->chroma_qp[1] = get_chroma_qp(h, 1, sl->qscale);
// FIXME qscale / qp ... stuff
if (sl->slice_type == AV_PICTURE_TYPE_SP)
- get_bits1(&h->gb); /* sp_for_switch_flag */
+ get_bits1(&sl->gb); /* sp_for_switch_flag */
if (sl->slice_type == AV_PICTURE_TYPE_SP ||
sl->slice_type == AV_PICTURE_TYPE_SI)
- get_se_golomb(&h->gb); /* slice_qs_delta */
+ get_se_golomb(&sl->gb); /* slice_qs_delta */
- h->deblocking_filter = 1;
- h->slice_alpha_c0_offset = 0;
- h->slice_beta_offset = 0;
+ sl->deblocking_filter = 1;
+ sl->slice_alpha_c0_offset = 0;
+ sl->slice_beta_offset = 0;
if (h->pps.deblocking_filter_parameters_present) {
- tmp = get_ue_golomb_31(&h->gb);
+ tmp = get_ue_golomb_31(&sl->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) * 2;
- h->slice_beta_offset = get_se_golomb(&h->gb) * 2;
- if (h->slice_alpha_c0_offset > 12 ||
- h->slice_alpha_c0_offset < -12 ||
- h->slice_beta_offset > 12 ||
- h->slice_beta_offset < -12) {
+ sl->deblocking_filter = tmp;
+ if (sl->deblocking_filter < 2)
+ sl->deblocking_filter ^= 1; // 1<->0
+
+ if (sl->deblocking_filter) {
+ sl->slice_alpha_c0_offset = get_se_golomb(&sl->gb) * 2;
+ sl->slice_beta_offset = get_se_golomb(&sl->gb) * 2;
+ if (sl->slice_alpha_c0_offset > 12 ||
+ sl->slice_alpha_c0_offset < -12 ||
+ sl->slice_beta_offset > 12 ||
+ sl->slice_beta_offset < -12) {
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);
+ sl->slice_alpha_c0_offset, sl->slice_beta_offset);
return AVERROR_INVALIDDATA;
}
}
sl->slice_type_nos == AV_PICTURE_TYPE_B) ||
(h->avctx->skip_loop_filter >= AVDISCARD_NONREF &&
h->nal_ref_idc == 0))
- h->deblocking_filter = 0;
+ sl->deblocking_filter = 0;
- if (h->deblocking_filter == 1 && h0->max_contexts > 1) {
+ if (sl->deblocking_filter == 1 && h->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;
+ sl->deblocking_filter = 2;
} else {
- h0->max_contexts = 1;
- if (!h0->single_decode_warning) {
+ 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");
- h0->single_decode_warning = 1;
+ h->single_decode_warning = 1;
}
- if (h != h0) {
+ if (sl != h->slice_ctx) {
av_log(h->avctx, AV_LOG_ERROR,
"Deblocking switched inside frame.\n");
return 1;
}
}
sl->qp_thresh = 15 -
- FFMIN(h->slice_alpha_c0_offset, h->slice_beta_offset) -
+ 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);
- h0->last_slice_type = slice_type;
- sl->slice_num = ++h0->current_slice;
+ h->last_slice_type = slice_type;
+ sl->slice_num = ++h->current_slice;
if (sl->slice_num >= MAX_SLICES) {
av_log(h->avctx, AV_LOG_ERROR,
"Too many slices, increase MAX_SLICES and recompile\n");
for (i = 0; i < 16; i++) {
id_list[i] = 60;
if (j < sl->list_count && i < sl->ref_count[j] &&
- sl->ref_list[j][i].f.buf[0]) {
+ sl->ref_list[j][i].parent->f->buf[0]) {
int k;
- AVBuffer *buf = sl->ref_list[j][i].f.buf[0]->buffer;
+ AVBuffer *buf = sl->ref_list[j][i].parent->f->buf[0]->buffer;
for (k = 0; k < h->short_ref_count; k++)
- if (h->short_ref[k]->f.buf[0]->buffer == buf) {
+ 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) {
+ if (h->long_ref[k] && h->long_ref[k]->f->buf[0]->buffer == buf) {
id_list[i] = h->short_ref_count + k;
break;
}
h->cur_pic_ptr->field_poc[1],
sl->ref_count[0], sl->ref_count[1],
sl->qscale,
- h->deblocking_filter,
- h->slice_alpha_c0_offset, h->slice_beta_offset,
+ 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->slice_type == AV_PICTURE_TYPE_B ? (sl->direct_spatial_mv_pred ? "SPAT" : "TEMP") : "");
}
}
-static av_always_inline void fill_filter_caches_inter(H264Context *h,
+static av_always_inline void fill_filter_caches_inter(const H264Context *h,
H264SliceContext *sl,
int mb_type, int top_xy,
int left_xy[LEFT_MBS],
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(h) ? 20 : 2);
+ int (*ref2frm)[64] = sl->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(h) ? 20 : 2);
+ int (*ref2frm)[64] = sl->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(h) ? 20 : 2);
+ int (*ref2frm)[64] = sl->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);
}
{
- int16_t(*mv_src)[2] = &h->cur_pic.motion_val[list][4 * h->mb_x + 4 * h->mb_y * b_stride];
+ int16_t(*mv_src)[2] = &h->cur_pic.motion_val[list][4 * sl->mb_x + 4 * sl->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);
*
* @return non zero if the loop filter can be skipped
*/
-static int fill_filter_caches(H264Context *h, H264SliceContext *sl, int mb_type)
+static int fill_filter_caches(const H264Context *h, H264SliceContext *sl, int mb_type)
{
- const int mb_xy = h->mb_xy;
+ const int mb_xy = sl->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));
+ 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. */
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 (sl->mb_y & 1) {
if (left_mb_field_flag != curr_mb_field_flag)
left_xy[LTOP] -= h->mb_stride;
} else {
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 (sl->deblocking_filter == 2) {
if (h->slice_table[top_xy] != sl->slice_num)
top_type = 0;
if (h->slice_table[left_xy[LBOT]] != sl->slice_num)
return 0;
}
-static void loop_filter(H264Context *h, H264SliceContext *sl, int start_x, int end_x)
+static void loop_filter(const H264Context *h, H264SliceContext *sl, int start_x, int end_x)
{
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 end_mb_y = sl->mb_y + FRAME_MBAFF(h);
const int old_slice_type = sl->slice_type;
const int pixel_shift = h->pixel_shift;
const int block_h = 16 >> h->chroma_y_shift;
- if (h->deblocking_filter) {
+ 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 = h->mb_xy = mb_x + mb_y * h->mb_stride;
+ 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))
- 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] +
+ sl->mb_mbaff =
+ sl->mb_field_decoding_flag = !!IS_INTERLACED(mb_type);
+
+ sl->mb_x = mb_x;
+ sl->mb_y = mb_y;
+ dest_y = h->cur_pic.f->data[0] +
+ ((mb_x << pixel_shift) + mb_y * sl->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_y * sl->uvlinesize * block_h;
+ dest_cr = h->cur_pic.f->data[2] +
(mb_x << pixel_shift) * (8 << CHROMA444(h)) +
- mb_y * h->uvlinesize * block_h;
+ mb_y * sl->uvlinesize * block_h;
// FIXME simplify above
- if (MB_FIELD(h)) {
- linesize = sl->mb_linesize = h->linesize * 2;
- uvlinesize = sl->mb_uvlinesize = h->uvlinesize * 2;
+ if (MB_FIELD(sl)) {
+ linesize = sl->mb_linesize = sl->linesize * 2;
+ uvlinesize = sl->mb_uvlinesize = sl->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);
+ dest_y -= sl->linesize * 15;
+ dest_cb -= sl->uvlinesize * (block_h - 1);
+ dest_cr -= sl->uvlinesize * (block_h - 1);
}
} else {
- linesize = sl->mb_linesize = h->linesize;
- uvlinesize = sl->mb_uvlinesize = h->uvlinesize;
+ linesize = sl->mb_linesize = sl->linesize;
+ uvlinesize = sl->mb_uvlinesize = sl->uvlinesize;
}
- backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize,
+ backup_mb_border(h, sl, dest_y, dest_cb, dest_cr, linesize,
uvlinesize, 0);
if (fill_filter_caches(h, sl, mb_type))
continue;
}
}
sl->slice_type = old_slice_type;
- h->mb_x = end_x;
- h->mb_y = end_mb_y - FRAME_MBAFF(h);
+ 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);
}
-static void predict_field_decoding_flag(H264Context *h, H264SliceContext *sl)
+static void predict_field_decoding_flag(const H264Context *h, H264SliceContext *sl)
{
- const int mb_xy = h->mb_x + h->mb_y * h->mb_stride;
+ const int mb_xy = sl->mb_x + sl->mb_y * h->mb_stride;
int mb_type = (h->slice_table[mb_xy - 1] == sl->slice_num) ?
h->cur_pic.mb_type[mb_xy - 1] :
(h->slice_table[mb_xy - h->mb_stride] == sl->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;
+ sl->mb_mbaff = sl->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, H264SliceContext *sl)
+static void decode_finish_row(const H264Context *h, H264SliceContext *sl)
{
- int top = 16 * (h->mb_y >> FIELD_PICTURE(h));
+ int top = 16 * (sl->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 (sl->deblocking_filter) {
if ((top + height) >= pic_height)
height += deblock_border;
top -= deblock_border;
h->picture_structure == PICT_BOTTOM_FIELD);
}
-static void er_add_slice(H264Context *h, H264SliceContext *sl,
+static void er_add_slice(H264SliceContext *sl,
int startx, int starty,
int endx, int endy, int status)
{
#if CONFIG_ERROR_RESILIENCE
- ERContext *er = &h->er;
+ ERContext *er = &sl->er;
+
+ if (!sl->h264->enable_er)
+ return;
er->ref_count = sl->ref_count[0];
ff_er_add_slice(er, startx, starty, endx, endy, status);
static int decode_slice(struct AVCodecContext *avctx, void *arg)
{
H264SliceContext *sl = arg;
- H264Context *h = sl->h264;
- int lf_x_start = h->mb_x;
+ const H264Context *h = sl->h264;
+ int lf_x_start = sl->mb_x;
+ int ret;
+
+ sl->linesize = h->cur_pic_ptr->f->linesize[0];
+ sl->uvlinesize = h->cur_pic_ptr->f->linesize[1];
- h->mb_skip_run = -1;
+ ret = alloc_scratch_buffers(sl, sl->linesize);
+ if (ret < 0)
+ return ret;
- 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));
+ sl->mb_skip_run = -1;
+
+ sl->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);
+ align_get_bits(&sl->gb);
/* init cabac */
ff_init_cabac_decoder(&sl->cabac,
- h->gb.buffer + get_bits_count(&h->gb) / 8,
- (get_bits_left(&h->gb) + 7) / 8);
+ sl->gb.buffer + get_bits_count(&sl->gb) / 8,
+ (get_bits_left(&sl->gb) + 7) / 8);
ff_h264_init_cabac_states(h, sl);
for (;;) {
// START_TIMER
- int ret = ff_h264_decode_mb_cabac(h, sl);
- int eos;
+ int ret, eos;
+
+ if (sl->mb_x + sl->mb_y * h->mb_width >= sl->next_slice_idx) {
+ av_log(h->avctx, AV_LOG_ERROR, "Slice overlaps with next at %d\n",
+ sl->next_slice_idx);
+ return AVERROR_INVALIDDATA;
+ }
+
+ ret = ff_h264_decode_mb_cabac(h, sl);
// STOP_TIMER("decode_mb_cabac")
if (ret >= 0)
// FIXME optimal? or let mb_decode decode 16x32 ?
if (ret >= 0 && FRAME_MBAFF(h)) {
- h->mb_y++;
+ sl->mb_y++;
ret = ff_h264_decode_mb_cabac(h, sl);
if (ret >= 0)
ff_h264_hl_decode_mb(h, sl);
- h->mb_y--;
+ sl->mb_y--;
}
eos = get_cabac_terminate(&sl->cabac);
if ((h->workaround_bugs & FF_BUG_TRUNCATED) &&
sl->cabac.bytestream > sl->cabac.bytestream_end + 2) {
- er_add_slice(h, sl, 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, sl, lf_x_start, h->mb_x + 1);
+ 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 + 1);
return 0;
}
if (ret < 0 || sl->cabac.bytestream > sl->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,
+ sl->mb_x, sl->mb_y,
sl->cabac.bytestream_end - sl->cabac.bytestream);
- er_add_slice(h, sl, h->resync_mb_x, h->resync_mb_y, h->mb_x,
- h->mb_y, ER_MB_ERROR);
+ er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
+ sl->mb_y, ER_MB_ERROR);
return AVERROR_INVALIDDATA;
}
- if (++h->mb_x >= h->mb_width) {
- loop_filter(h, sl, lf_x_start, h->mb_x);
- h->mb_x = lf_x_start = 0;
+ if (++sl->mb_x >= h->mb_width) {
+ loop_filter(h, sl, lf_x_start, sl->mb_x);
+ sl->mb_x = lf_x_start = 0;
decode_finish_row(h, sl);
- ++h->mb_y;
+ ++sl->mb_y;
if (FIELD_OR_MBAFF_PICTURE(h)) {
- ++h->mb_y;
- if (FRAME_MBAFF(h) && h->mb_y < h->mb_height)
+ ++sl->mb_y;
+ if (FRAME_MBAFF(h) && sl->mb_y < h->mb_height)
predict_field_decoding_flag(h, sl);
}
}
- 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, sl, 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, sl, lf_x_start, h->mb_x);
+ if (eos || sl->mb_y >= h->mb_height) {
+ ff_tlog(h->avctx, "slice end %d %d\n",
+ get_bits_count(&sl->gb), sl->gb.size_in_bits);
+ 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;
}
}
} else {
for (;;) {
- int ret = ff_h264_decode_mb_cavlc(h, sl);
+ int ret;
+
+ if (sl->mb_x + sl->mb_y * h->mb_width >= sl->next_slice_idx) {
+ av_log(h->avctx, AV_LOG_ERROR, "Slice overlaps with next at %d\n",
+ sl->next_slice_idx);
+ return AVERROR_INVALIDDATA;
+ }
+
+ ret = ff_h264_decode_mb_cavlc(h, sl);
if (ret >= 0)
ff_h264_hl_decode_mb(h, sl);
// FIXME optimal? or let mb_decode decode 16x32 ?
if (ret >= 0 && FRAME_MBAFF(h)) {
- h->mb_y++;
+ sl->mb_y++;
ret = ff_h264_decode_mb_cavlc(h, sl);
if (ret >= 0)
ff_h264_hl_decode_mb(h, sl);
- h->mb_y--;
+ sl->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, sl, h->resync_mb_x, h->resync_mb_y, h->mb_x,
- h->mb_y, ER_MB_ERROR);
+ "error while decoding MB %d %d\n", sl->mb_x, sl->mb_y);
+ er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
+ sl->mb_y, ER_MB_ERROR);
return ret;
}
- if (++h->mb_x >= h->mb_width) {
- loop_filter(h, sl, lf_x_start, h->mb_x);
- h->mb_x = lf_x_start = 0;
+ if (++sl->mb_x >= h->mb_width) {
+ loop_filter(h, sl, lf_x_start, sl->mb_x);
+ sl->mb_x = lf_x_start = 0;
decode_finish_row(h, sl);
- ++h->mb_y;
+ ++sl->mb_y;
if (FIELD_OR_MBAFF_PICTURE(h)) {
- ++h->mb_y;
- if (FRAME_MBAFF(h) && h->mb_y < h->mb_height)
+ ++sl->mb_y;
+ if (FRAME_MBAFF(h) && sl->mb_y < h->mb_height)
predict_field_decoding_flag(h, sl);
}
- 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 (sl->mb_y >= h->mb_height) {
+ ff_tlog(h->avctx, "slice end %d %d\n",
+ get_bits_count(&sl->gb), sl->gb.size_in_bits);
- if (get_bits_left(&h->gb) == 0) {
- er_add_slice(h, sl, h->resync_mb_x, h->resync_mb_y,
- h->mb_x - 1, h->mb_y, ER_MB_END);
+ if (get_bits_left(&sl->gb) == 0) {
+ er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y,
+ sl->mb_x - 1, sl->mb_y, ER_MB_END);
return 0;
} else {
- er_add_slice(h, sl, h->resync_mb_x, h->resync_mb_y,
- h->mb_x - 1, h->mb_y, ER_MB_END);
+ er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y,
+ sl->mb_x - 1, sl->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(&sl->gb) <= 0 && sl->mb_skip_run <= 0) {
+ ff_tlog(h->avctx, "slice end %d %d\n",
+ get_bits_count(&sl->gb), sl->gb.size_in_bits);
- if (get_bits_left(&h->gb) == 0) {
- er_add_slice(h, sl, 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, sl, lf_x_start, h->mb_x);
+ if (get_bits_left(&sl->gb) == 0) {
+ 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;
} else {
- er_add_slice(h, sl, h->resync_mb_x, h->resync_mb_y, h->mb_x,
- h->mb_y, ER_MB_ERROR);
+ er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
+ sl->mb_y, ER_MB_ERROR);
return AVERROR_INVALIDDATA;
}
int ff_h264_execute_decode_slices(H264Context *h, unsigned context_count)
{
AVCodecContext *const avctx = h->avctx;
- H264Context *hx;
- int i;
+ H264SliceContext *sl;
+ int i, j;
if (h->avctx->hwaccel)
return 0;
if (context_count == 1) {
- return decode_slice(avctx, &h->slice_ctx[0]);
+ int ret;
+
+ h->slice_ctx[0].next_slice_idx = h->mb_width * h->mb_height;
+
+ ret = decode_slice(avctx, &h->slice_ctx[0]);
+ h->mb_y = h->slice_ctx[0].mb_y;
+ return ret;
} else {
- for (i = 1; i < context_count; i++) {
- hx = h->thread_context[i];
- hx->er.error_count = 0;
+ for (i = 0; i < context_count; i++) {
+ int next_slice_idx = h->mb_width * h->mb_height;
+ int slice_idx;
+
+ sl = &h->slice_ctx[i];
+ sl->er.error_count = 0;
+
+ /* make sure none of those slices overlap */
+ slice_idx = sl->mb_y * h->mb_width + sl->mb_x;
+ for (j = 0; j < context_count; j++) {
+ H264SliceContext *sl2 = &h->slice_ctx[j];
+ int slice_idx2 = sl2->mb_y * h->mb_width + sl2->mb_x;
+
+ if (i == j || slice_idx2 < slice_idx)
+ continue;
+ next_slice_idx = FFMIN(next_slice_idx, slice_idx2);
+ }
+ sl->next_slice_idx = next_slice_idx;
}
avctx->execute(avctx, decode_slice, h->slice_ctx,
NULL, context_count, sizeof(h->slice_ctx[0]));
/* 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;
+ sl = &h->slice_ctx[context_count - 1];
+ h->mb_y = sl->mb_y;
for (i = 1; i < context_count; i++)
- h->er.error_count += h->thread_context[i]->er.error_count;
+ h->slice_ctx[0].er.error_count += h->slice_ctx[i].er.error_count;
}
return 0;