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vc1dec: add hacks to ensure static tables are initialized in open().

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Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
This commit is contained in:
Reimar Döffinger
2012-11-27 21:55:28 +01:00
parent 92947c6d72
commit 16af29a7a6
1 changed files with 9 additions and 0 deletions
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9
libavcodec/vc1dec.c
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@@ -5180,6 +5180,15 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx)
if (ff_vc1_init_common(v) < 0)
return -1;
// ensure static VLC tables are initialized
if (ff_msmpeg4_decode_init(avctx) < 0)
return -1;
if (ff_vc1_decode_init_alloc_tables(v) < 0)
return -1;
// Hack to ensure the above functions will be called
// again once we know all necessary settings.
// That this is necessary might indicate a bug.
ff_vc1_decode_end(avctx);
ff_vc1dsp_init(&v->vc1dsp);
if (avctx->codec_id == AV_CODEC_ID_WMV3 || avctx->codec_id == AV_CODEC_ID_WMV3IMAGE) {