[SCM] libav/experimental: SVQ3: Allow decoding if thread_count is > 1
siretart at users.alioth.debian.org
siretart at users.alioth.debian.org
Sun Jun 30 17:20:25 UTC 2013
The following commit has been merged in the experimental branch:
commit 0f01602362f20bbc819dd07926cd2bb0a89a6c4d
Author: Alexander Strange <astrange at ithinksw.com>
Date: Wed Dec 15 00:22:47 2010 +0000
SVQ3: Allow decoding if thread_count is > 1
svq3 still doesn't support multithreading, but it's simpler for clients if
they can enable threading for all codecs by default.
Originally committed as revision 26015 to svn://svn.ffmpeg.org/ffmpeg/trunk
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 9198d7c..318c1c8 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -979,7 +979,7 @@ int ff_h264_frame_start(H264Context *h){
/* can't be in alloc_tables because linesize isn't known there.
* FIXME: redo bipred weight to not require extra buffer? */
for(i = 0; i < s->avctx->thread_count; i++)
- if(!h->thread_context[i]->s.obmc_scratchpad)
+ if(h->thread_context[i] && !h->thread_context[i]->s.obmc_scratchpad)
h->thread_context[i]->s.obmc_scratchpad = av_malloc(16*2*s->linesize + 8*2*s->uvlinesize);
/* some macroblocks can be accessed before they're available in case of lost slices, mbaff or threading*/
diff --git a/libavcodec/svq3.c b/libavcodec/svq3.c
index df2acd8..4a4a1c5 100644
--- a/libavcodec/svq3.c
+++ b/libavcodec/svq3.c
@@ -796,11 +796,6 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx)
unsigned char *extradata;
unsigned int size;
- if(avctx->thread_count > 1){
- av_log(avctx, AV_LOG_ERROR, "SVQ3 does not support multithreaded decoding, patch welcome! (check latest SVN too)\n");
- return -1;
- }
-
if (ff_h264_decode_init(avctx) < 0)
return -1;
--
Libav/FFmpeg packaging
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