MpegEncContext.picture_number is write-only for MPEG-1/2 decoding.
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
---
libavcodec/mpeg12dec.c | 7 -------
1 file changed, 7 deletions(-)
diff --git a/libavcodec/mpeg12dec.c b/libavcodec/mpeg12dec.c
index 35dfc74fe7..6ad9fb245c 100644
--- a/libavcodec/mpeg12dec.c
+++ b/libavcodec/mpeg12dec.c
@@ -1066,7 +1066,6 @@ static av_cold int mpeg_decode_init(AVCodecContext *avctx)
s2->chroma_format = 1;
s->mpeg_enc_ctx_allocated = 0;
- s->mpeg_enc_ctx.picture_number = 0;
s->repeat_field = 0;
avctx->color_range = AVCOL_RANGE_MPEG;
return 0;
@@ -1092,9 +1091,6 @@ static int
mpeg_decode_update_thread_context(AVCodecContext *avctx,
if (!ctx->mpeg_enc_ctx_allocated)
memcpy(s + 1, s1 + 1, sizeof(Mpeg1Context) - sizeof(MpegEncContext));
- if (!(s->pict_type == AV_PICTURE_TYPE_B || s->low_delay))
- s->picture_number++;
-
return 0;
}
#endif
@@ -2072,10 +2068,7 @@ static int slice_end(AVCodecContext *avctx, AVFrame
*pict)
ff_print_debug_info(s, s->current_picture_ptr, pict);
ff_mpv_export_qp_table(s, pict, s->current_picture_ptr,
FF_QSCALE_TYPE_MPEG2);
} else {
- if (avctx->active_thread_type & FF_THREAD_FRAME)
- s->picture_number++;
/* latency of 1 frame for I- and P-frames */
- /* XXX: use another variable than picture_number */
if (s->last_picture_ptr) {
int ret = av_frame_ref(pict, s->last_picture_ptr->f);
if (ret < 0)
--
2.32.0
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