diff options
Diffstat (limited to 'gst-libs/ext/libav/libavcodec/vc1dec.c')
| -rw-r--r-- | gst-libs/ext/libav/libavcodec/vc1dec.c | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/gst-libs/ext/libav/libavcodec/vc1dec.c b/gst-libs/ext/libav/libavcodec/vc1dec.c index bafd6a2..6b32116 100644 --- a/gst-libs/ext/libav/libavcodec/vc1dec.c +++ b/gst-libs/ext/libav/libavcodec/vc1dec.c @@ -4742,6 +4742,9 @@ static void vc1_decode_skip_blocks(VC1Context *v) { MpegEncContext *s = &v->s; + if (!v->s.last_picture.f.data[0]) + return; + ff_er_add_slice(s, 0, s->start_mb_y, s->mb_width - 1, s->end_mb_y - 1, ER_MB_END); s->first_slice_line = 1; for (s->mb_y = s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) { @@ -5131,8 +5134,19 @@ av_cold int ff_vc1_decode_init_alloc_tables(VC1Context *v) if (!v->mv_type_mb_plane || !v->direct_mb_plane || !v->acpred_plane || !v->over_flags_plane || !v->block || !v->cbp_base || !v->ttblk_base || !v->is_intra_base || !v->luma_mv_base || - !v->mb_type_base) - return -1; + !v->mb_type_base) { + av_freep(&v->mv_type_mb_plane); + av_freep(&v->direct_mb_plane); + av_freep(&v->acpred_plane); + av_freep(&v->over_flags_plane); + av_freep(&v->block); + av_freep(&v->cbp_base); + av_freep(&v->ttblk_base); + av_freep(&v->is_intra_base); + av_freep(&v->luma_mv_base); + av_freep(&v->mb_type_base); + return AVERROR(ENOMEM); + } return 0; } @@ -5484,8 +5498,12 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data, } if (!s->context_initialized) { - if (ff_msmpeg4_decode_init(avctx) < 0 || ff_vc1_decode_init_alloc_tables(v) < 0) + if (ff_msmpeg4_decode_init(avctx) < 0) goto err; + if (ff_vc1_decode_init_alloc_tables(v) < 0) { + ff_MPV_common_end(s); + goto err; + } s->low_delay = !avctx->has_b_frames || v->res_sprite; @@ -5573,6 +5591,8 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data, if (avctx->hwaccel->end_frame(avctx) < 0) goto err; } else { + int header_ret = 0; + ff_er_frame_start(s); v->bits = buf_size * 8; @@ -5619,18 +5639,20 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data, if (i) { v->pic_header_flag = 0; if (v->field_mode && i == n_slices1 + 2) { - if (ff_vc1_parse_frame_header_adv(v, &s->gb) < 0) { + if ((header_ret = ff_vc1_parse_frame_header_adv(v, &s->gb)) < 0) { av_log(v->s.avctx, AV_LOG_ERROR, "Field header damaged\n"); continue; } } else if (get_bits1(&s->gb)) { v->pic_header_flag = 1; - if (ff_vc1_parse_frame_header_adv(v, &s->gb) < 0) { + if ((header_ret = ff_vc1_parse_frame_header_adv(v, &s->gb)) < 0) { av_log(v->s.avctx, AV_LOG_ERROR, "Slice header damaged\n"); continue; } } } + if (header_ret < 0) + continue; s->start_mb_y = (i == 0) ? 0 : FFMAX(0, slices[i-1].mby_start % mb_height); if (!v->field_mode || v->second_field) s->end_mb_y = (i == n_slices ) ? mb_height : FFMIN(mb_height, slices[i].mby_start % mb_height); |