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Code Issues Releases Activity

avcodec/mpeg_er: Allow to skip setting partitioned_frame, p[pb]_time

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Instead of setting these unconditionally (they are always zero
for H.261, MPEG-1/2, RV30/40, VC-1), add a variant of
ff_mpeg_er_frame_start() that sets them and remove setting them
from ff_mpeg_er_frame_start(). Also pass these values via parameters
instead of reading them from the MPVContext itself.
This will allow to move them from MPVContext.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2025-06-22 13:58:11 +02:00
parent 3c06d87c93
commit 0984724d1e
4 changed files with 12 additions and 5 deletions
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3
libavcodec/h263dec.c
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@ -551,7 +551,8 @@ int ff_h263_decode_frame(AVCodecContext *avctx, AVFrame *pict,
return ret;
}
ff_mpeg_er_frame_start(s);
ff_mpv_er_frame_start_ext(s, s->partitioned_frame,
s->pp_time, s->pb_time);
/* the second part of the wmv2 header contains the MB skip bits which
* are stored in current_picture->mb_type which is not available before

3
libavcodec/mpeg_er.c
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@ -51,10 +51,7 @@ void ff_mpeg_er_frame_start(MpegEncContext *s)
set_erpic(&er->next_pic, s->next_pic.ptr);
set_erpic(&er->last_pic, s->last_pic.ptr);
er->pp_time = s->pp_time;
er->pb_time = s->pb_time;
er->quarter_sample = s->quarter_sample;
er->partitioned_frame = s->partitioned_frame;
ff_er_frame_start(er);
}

9
libavcodec/mpeg_er.h
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@ -24,4 +24,13 @@
int ff_mpeg_er_init(MpegEncContext *s);
void ff_mpeg_er_frame_start(MpegEncContext *s);
static inline void ff_mpv_er_frame_start_ext(MPVContext *const s, int partitioned_frame,
uint16_t pp_time, uint16_t pb_time)
{
s->er.partitioned_frame = partitioned_frame;
s->er.pp_time = pp_time;
s->er.pb_time = pb_time;
ff_mpeg_er_frame_start(s);
}
#endif /* AVCODEC_MPEG_ER_H */

2
libavcodec/rv10.c
View File

@ -451,7 +451,7 @@ static int rv10_decode_packet(AVCodecContext *avctx, const uint8_t *buf,
}
if ((ret = ff_mpv_frame_start(&h->c, avctx)) < 0)
return ret;
ff_mpeg_er_frame_start(&h->c);
ff_mpv_er_frame_start_ext(&h->c, 0, h->c.pp_time, h->c.pb_time);
} else {
if (h->c.cur_pic.ptr->f->pict_type != h->c.pict_type) {
av_log(h->c.avctx, AV_LOG_ERROR, "Slice type mismatch\n");