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h264: handle frame recovery in h264_field_start() 

This is a more appropriate place for this. H264Context.recovery_frame is
shared between frame threads, so modifying it where it is right now is
invalid.
This commit is contained in:
Anton Khirnov 2016-05-20 12:42:23 +02:00
parent e26c64148b
commit 58640fe89e
2 changed files with 18 additions and 18 deletions
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18
libavcodec/h264_slice.c
View File

@ -1335,6 +1335,24 @@ static int h264_field_start(H264Context *h, const H264SliceContext *sl,
h->picture_idr = nal->type == H264_NAL_IDR_SLICE;
if (h->sei.recovery_point.recovery_frame_cnt >= 0 && h->recovery_frame < 0) {
h->recovery_frame = (h->poc.frame_num + h->sei.recovery_point.recovery_frame_cnt) &
((1 << h->ps.sps->log2_max_frame_num) - 1);
}
h->cur_pic_ptr->f->key_frame |= (nal->type == H264_NAL_IDR_SLICE) ||
(h->sei.recovery_point.recovery_frame_cnt >= 0);
if (nal->type == H264_NAL_IDR_SLICE || h->recovery_frame == h->poc.frame_num) {
h->recovery_frame = -1;
h->cur_pic_ptr->recovered = 1;
}
// If we have an IDR, all frames after it in decoded order are
// "recovered".
if (nal->type == H264_NAL_IDR_SLICE)
h->frame_recovered |= FRAME_RECOVERED_IDR;
h->cur_pic_ptr->recovered |= !!(h->frame_recovered & FRAME_RECOVERED_IDR);
/* 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. */

18
libavcodec/h264dec.c
View File

@ -704,24 +704,6 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size)
if (sl->redundant_pic_count > 0)
break;
if (h->sei.recovery_point.recovery_frame_cnt >= 0 && h->recovery_frame < 0) {
h->recovery_frame = (h->poc.frame_num + h->sei.recovery_point.recovery_frame_cnt) &
((1 << h->ps.sps->log2_max_frame_num) - 1);
}
h->cur_pic_ptr->f->key_frame |=
(nal->type == H264_NAL_IDR_SLICE) || (h->sei.recovery_point.recovery_frame_cnt >= 0);
if (nal->type == H264_NAL_IDR_SLICE || h->recovery_frame == h->poc.frame_num) {
h->recovery_frame = -1;
h->cur_pic_ptr->recovered = 1;
}
// If we have an IDR, all frames after it in decoded order are
// "recovered".
if (nal->type == H264_NAL_IDR_SLICE)
h->frame_recovered |= FRAME_RECOVERED_IDR;
h->cur_pic_ptr->recovered |= !!(h->frame_recovered & FRAME_RECOVERED_IDR);
if (h->current_slice == 1) {
if (!(avctx->flags2 & AV_CODEC_FLAG2_CHUNKS))
decode_postinit(h, i >= nals_needed);