/**
* @file
- * H.264 / AVC / MPEG4 part10 codec.
+ * H.264 / AVC / MPEG-4 part10 codec.
* @author Michael Niedermayer <michaelni@gmx.at>
*/
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_mallocz(&sl->top_borders[0], &sl->top_borders_allocated[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,
h->first_field = h1->first_field;
h->picture_structure = h1->picture_structure;
h->droppable = h1->droppable;
- h->low_delay = h1->low_delay;
h->backup_width = h1->backup_width;
h->backup_height = h1->backup_height;
h->backup_pix_fmt = h1->backup_pix_fmt;
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;
- h->x264_build = h1->x264_build;
+ h->sei.unregistered.x264_build = h1->sei.unregistered.x264_build;
+
+ memcpy(&h->poc, &h1->poc, sizeof(h->poc));
+
+ h->curr_pic_num = h1->curr_pic_num;
+ h->max_pic_num = h1->max_pic_num;
+
+ memcpy(h->default_ref, h1->default_ref, sizeof(h->default_ref));
+ 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->next_output_pic = h1->next_output_pic;
+ h->next_outputed_poc = h1->next_outputed_poc;
- // POC timing
- copy_fields(h, h1, poc, current_slice);
+ memcpy(h->mmco, h1->mmco, sizeof(h->mmco));
+ h->mmco_index = h1->mmco_index;
+ h->mmco_reset = h1->mmco_reset;
+ 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);
pic->mmco_reset = 0;
pic->recovered = 0;
pic->invalid_gap = 0;
- pic->sei_recovery_frame_cnt = h->sei_recovery_frame_cnt;
+ pic->sei_recovery_frame_cnt = h->sei.recovery_point.recovery_frame_cnt;
+
+ pic->f->pict_type = h->slice_ctx[0].slice_type;
if ((ret = alloc_picture(h, pic)) < 0)
return ret;
h->next_output_pic = NULL;
+ h->postpone_filter = 0;
+
assert(h->cur_pic_ptr->long_ref == 0);
return 0;
static int h264_slice_header_init(H264Context *h)
{
const SPS *sps = h->ps.sps;
- int nb_slices = (HAVE_THREADS &&
- h->avctx->active_thread_type & FF_THREAD_SLICE) ?
- h->avctx->thread_count : 1;
int i, ret;
ff_set_sar(h->avctx, sps->sar);
if (sps->timing_info_present_flag) {
int64_t den = sps->time_scale;
- if (h->x264_build < 44U)
+ if (h->sei.unregistered.x264_build < 44U)
den *= 2;
av_reduce(&h->avctx->framerate.den, &h->avctx->framerate.num,
sps->num_units_in_tick * h->avctx->ticks_per_frame, den, 1 << 30);
sps->chroma_format_idc);
ff_videodsp_init(&h->vdsp, 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;
- h->max_contexts = FFMIN(h->max_contexts, nb_slices);
-
if (!HAVE_THREADS || !(h->avctx->active_thread_type & FF_THREAD_SLICE)) {
ret = ff_h264_slice_context_init(h, &h->slice_ctx[0]);
if (ret < 0) {
goto fail;
}
} 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;
/**
* Decode a slice header.
- * This will (re)intialize the decoder and call h264_frame_start() as needed.
+ * 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, 1 if decoding must not be multithreaded
+ * @return 0 if okay, <0 if an error occurred
*/
int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl)
{
if (first_slice)
av_assert0(!h->setup_finished);
- 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_long(&sl->gb);
if (first_mb_in_slice == 0) { // FIXME better field boundary detection
(h->avctx->skip_frame >= AVDISCARD_NONREF && !h->nal_ref_idc) ||
(h->avctx->skip_frame >= AVDISCARD_BIDIR && sl->slice_type_nos == AV_PICTURE_TYPE_B) ||
(h->avctx->skip_frame >= AVDISCARD_NONINTRA && sl->slice_type_nos != AV_PICTURE_TYPE_I) ||
- (h->avctx->skip_frame >= AVDISCARD_NONKEY && h->nal_unit_type != NAL_IDR_SLICE && h->sei_recovery_frame_cnt < 0) ||
+ (h->avctx->skip_frame >= AVDISCARD_NONKEY && h->nal_unit_type != NAL_IDR_SLICE && h->sei.recovery_point.recovery_frame_cnt < 0) ||
h->avctx->skip_frame >= AVDISCARD_ALL) {
return SLICE_SKIPED;
}
}
- // 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);
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->ps.sps->bitstream_restriction_flag &&
- !h->ps.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;
-
}
pps = h->ps.pps;
(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);
+ sl->slice_type_nos, &sl->pwt, h->avctx);
else if (pps->weighted_bipred_idc == 2 &&
sl->slice_type_nos == AV_PICTURE_TYPE_B) {
implicit_weight_table(h, sl, -1);
}
if (FRAME_MBAFF(h)) {
- ff_h264_fill_mbaff_ref_list(h, sl);
+ ff_h264_fill_mbaff_ref_list(sl);
if (pps->weighted_bipred_idc == 2 && sl->slice_type_nos == AV_PICTURE_TYPE_B) {
implicit_weight_table(h, sl, 0);
* 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 slice decoding with deblocking filter type 1, decoding such frames in sequential order\n"
- "To parallelize slice decoding you need video encoded with disable_deblocking_filter_idc set to 2 (deblock only edges that do not cross slices).\n"
- "Setting the flags2 libavcodec option to +fast (-flags2 +fast) will disable deblocking across slices and enable parallel slice decoding "
- "but will generate non-standard-compliant output.\n");
- h->single_decode_warning = 1;
- }
- if (sl != h->slice_ctx) {
- av_log(h->avctx, AV_LOG_ERROR,
- "Deblocking switched inside frame.\n");
- return SLICE_SINGLETHREAD;
- }
+ h->postpone_filter = 1;
}
}
sl->qp_thresh = 15 -
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 (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 = sl->ref2frm[h->slice_table[top_xy] & (MAX_SLICES - 1)][list] + (MB_MBAFF(sl) ? 20 : 2);
+ const int *ref2frm = h->ref2frm[h->slice_table[top_xy] & (MAX_SLICES - 1)][list] + (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[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 = sl->ref2frm[h->slice_table[left_xy[LTOP]] & (MAX_SLICES - 1)][list] + (MB_MBAFF(sl) ? 20 : 2);
+ const int *ref2frm = h->ref2frm[h->slice_table[left_xy[LTOP]] & (MAX_SLICES - 1)][list] + (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 = sl->ref2frm[sl->slice_num & (MAX_SLICES - 1)][list] + (MB_MBAFF(sl) ? 20 : 2);
+ const int *ref2frm = h->ref2frm[sl->slice_num & (MAX_SLICES - 1)][list] + (MB_MBAFF(sl) ? 20 : 2);
uint32_t ref01 = (pack16to32(ref2frm[ref[0]], ref2frm[ref[1]]) & 0x00FF00FF) * 0x0101;
uint32_t ref23 = (pack16to32(ref2frm[ref[2]], ref2frm[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]);
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 =
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];
av_assert0(h->block_offset[15] == (4 * ((scan8[15] - scan8[0]) & 7) << h->pixel_shift) + 4 * sl->linesize * ((scan8[15] - scan8[0]) >> 3));
+ 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));
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 (sl->cabac.bytestream > sl->cabac.bytestream_end + 2 )
av_log(h->avctx, AV_LOG_DEBUG, "bytestream overread %"PTRDIFF_SPECIFIER"\n", sl->cabac.bytestream_end - sl->cabac.bytestream);
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, 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;
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