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lavf: force threads to 1 in avformat_find_stream_info()

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Fixes avformat_find_stream_info() on streams with number of frames <
thread count.
This commit is contained in:
Anton Khirnov 2011-12-06 07:51:54 +01:00
parent d49352c7cc
commit 93fc5a9ff6
1 changed files with 5 additions and 0 deletions
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5
libavformat/utils.c
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@ -2291,6 +2291,11 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
assert(!st->codec->codec); assert(!st->codec->codec);
codec = avcodec_find_decoder(st->codec->codec_id); codec = avcodec_find_decoder(st->codec->codec_id);
/* this function doesn't flush the decoders, so force thread count
* to 1 to fix behavior when thread count > number of frames in the file */
if (options)
av_dict_set(&options[i], "threads", "1", 0);
/* Ensure that subtitle_header is properly set. */ /* Ensure that subtitle_header is properly set. */
if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE
&& codec && !st->codec->codec) && codec && !st->codec->codec)