if (ret < 0)
return ret;
- /* set defaults */
- if (!avctx->has_b_frames)
- h->low_delay = 1;
-
ret = ff_thread_once(&h264_vlc_init, ff_h264_decode_init_vlc);
if (ret != 0) {
av_log(avctx, AV_LOG_ERROR, "pthread_once has failed.");
if (h->ps.sps && h->ps.sps->bitstream_restriction_flag &&
h->avctx->has_b_frames < h->ps.sps->num_reorder_frames) {
h->avctx->has_b_frames = h->ps.sps->num_reorder_frames;
- h->low_delay = 0;
}
avctx->internal->allocate_progress = 1;
h->avctx->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
h->avctx->has_b_frames = FFMAX(h->avctx->has_b_frames, sps->num_reorder_frames);
}
- h->low_delay = !h->avctx->has_b_frames;
pics = 0;
while (h->delayed_pic[pics])
if (invalid + cnt < MAX_DELAYED_PIC_COUNT) {
h->avctx->has_b_frames = FFMAX(h->avctx->has_b_frames, cnt);
}
- h->low_delay = 0;
- } else if (h->low_delay &&
+ } else if (!h->avctx->has_b_frames &&
((h->next_outputed_poc != INT_MIN &&
out->poc > h->next_outputed_poc + 2) ||
cur->f->pict_type == AV_PICTURE_TYPE_B)) {
- h->low_delay = 0;
h->avctx->has_b_frames++;
}
h->first_field = h1->first_field;
h->picture_structure = h1->picture_structure;
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
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;