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Code Issues Releases Activity

avformat/utils: avoid using marked decoders for probing

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Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Timo Rothenpieler
2016-09-22 12:10:15 +02:00
parent 30d3e36a46
commit 9777ba33f5
1 changed files with 18 additions and 1 deletions
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19
libavformat/utils.c
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@@ -188,6 +188,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
static const AVCodec *find_probe_decoder(AVFormatContext *s, const AVStream *st, enum AVCodecID codec_id) static const AVCodec *find_probe_decoder(AVFormatContext *s, const AVStream *st, enum AVCodecID codec_id)
{ {
const AVCodec *codec;
#if CONFIG_H264_DECODER #if CONFIG_H264_DECODER
/* Other parts of the code assume this decoder to be used for h264, /* Other parts of the code assume this decoder to be used for h264,
* so force it if possible. */ * so force it if possible. */
@@ -195,7 +197,22 @@ static const AVCodec *find_probe_decoder(AVFormatContext *s, const AVStream *st,
return avcodec_find_decoder_by_name("h264"); return avcodec_find_decoder_by_name("h264");
#endif #endif
return find_decoder(s, st, codec_id); codec = find_decoder(s, st, codec_id);
if (!codec)
return NULL;
if (codec->capabilities & AV_CODEC_CAP_AVOID_PROBING) {
const AVCodec *probe_codec = NULL;
while (probe_codec = av_codec_next(probe_codec)) {
if (probe_codec->id == codec_id &&
av_codec_is_decoder(probe_codec) &&
!(probe_codec->capabilities & (AV_CODEC_CAP_AVOID_PROBING | AV_CODEC_CAP_EXPERIMENTAL))) {
return probe_codec;
}
}
}
return codec;
} }
int av_format_get_probe_score(const AVFormatContext *s) int av_format_get_probe_score(const AVFormatContext *s)