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driver/audiodec/ffmpegdec.cpp: parse metadata only for AVMEDIA_TYPE_AUDIO streams;

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fix type_info and possible crash (thanks Jacek)
This commit is contained in:
[CST] Focus
2013-12-05 14:17:05 +04:00
parent 73ebc90a1f
commit 66b0dc0306
1 changed files with 17 additions and 7 deletions
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24
src/driver/audiodec/ffmpegdec.cpp
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@@ -111,6 +111,8 @@ bool CFfmpegDec::Init(void *_in, const CFile::FileType ft)
bitrate = 0;
total_time = 0;
av_log_set_level(AV_LOG_DEBUG);
AVIOContext *avioc = NULL;
in = _in;
is_stream = fseek((FILE *)in, 0, SEEK_SET);
@@ -394,11 +396,13 @@ bool CFfmpegDec::SetMetaData(FILE *_in, CFile::FileType ft, CAudioMetaData* m)
mutex.unlock();
if (!is_stream) {
GetMeta(avc->metadata);
for(unsigned int i = 0; i < avc->nb_streams; i++)
GetMeta(avc->streams[i]->metadata);
for(unsigned int i = 0; i < avc->nb_streams; i++) {
if (avc->streams[i]->codec->codec_type == AVMEDIA_TYPE_AUDIO)
GetMeta(avc->streams[i]->metadata);
}
}
// fseek((FILE *) in, 0, SEEK_SET);
//fseek((FILE *) in, 0, SEEK_SET);
av_dump_format(avc, 0, "", 0);
codec = NULL;
@@ -413,11 +417,17 @@ bool CFfmpegDec::SetMetaData(FILE *_in, CFile::FileType ft, CAudioMetaData* m)
codec = avcodec_find_decoder(avc->streams[best_stream]->codec->codec_id);
samplerate = avc->streams[best_stream]->codec->sample_rate;
mChannels = av_get_channel_layout_nb_channels(avc->streams[best_stream]->codec->channel_layout);
std::stringstream ss;
ss.str("unknown");
if (codec)
ss << std::string(codec->long_name) + " / " << mChannels << " channel" << ( mChannels > 1 ? "s" : "");
type_info = ss.str();
if (codec && codec->long_name != NULL)
type_info = codec->long_name;
else if(codec && codec->name != NULL)
type_info = codec->name;
else
type_info = "unknown";
ss << " / " << mChannels << " channel" << ( mChannels > 1 ? "s" : "");
type_info += ss.str();
bitrate = 0;
total_time = 0;