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mpegvideo: unref old current_picture before allocating a new one 

Allows decoding with only three frame buffers with frame reference
counting. Fixes VAAPI based decoding in vlc which uses only three
frame buffers for the mpegvideo-based codecs.
This commit is contained in:
Janne Grunau 2013-05-19 14:49:55 +02:00
parent db347280eb
commit 4b79668154
1 changed files with 2 additions and 1 deletions
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3
libavcodec/mpegvideo.c
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@ -1495,6 +1495,8 @@ int ff_MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
}
}
ff_mpeg_unref_picture(s, &s->current_picture);
if (!s->encoding) {
ff_release_unused_pictures(s, 1);
@ -1542,7 +1544,6 @@ int ff_MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
// s->current_picture_ptr->quality = s->new_picture_ptr->quality;
s->current_picture_ptr->f.key_frame = s->pict_type == AV_PICTURE_TYPE_I;
ff_mpeg_unref_picture(s, &s->current_picture);
if ((ret = ff_mpeg_ref_picture(s, &s->current_picture,
s->current_picture_ptr)) < 0)
return ret;