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properly handle potentially non 16 bit planar audio formats

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This commit is contained in:
Nathan Jeffords 2013-02-26 09:36:56 -08:00
parent cd99e9d952
commit 21f502e3dd
1 changed files with 14 additions and 5 deletions
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19
apps/openmw/mwsound/ffmpeg_decoder.cpp
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@ -134,6 +134,18 @@ size_t FFmpeg_Decoder::readAVAudioData(void *data, size_t length)
return dec;
}
static AVSampleFormat ffmpegNonPlanarSampleFormat (AVSampleFormat format)
{
switch (format)
{
case AV_SAMPLE_FMT_U8P: return AV_SAMPLE_FMT_U8;
case AV_SAMPLE_FMT_S16P: return AV_SAMPLE_FMT_S16;
case AV_SAMPLE_FMT_S32P: return AV_SAMPLE_FMT_S32;
case AV_SAMPLE_FMT_FLTP: return AV_SAMPLE_FMT_FLT;
case AV_SAMPLE_FMT_DBLP: return AV_SAMPLE_FMT_DBL;
default:return format;
}
}
void FFmpeg_Decoder::open(const std::string &fname)
{
@ -153,10 +165,6 @@ void FFmpeg_Decoder::open(const std::string &fname)
try
{
for(size_t j = 0;j < mFormatCtx->nb_streams;j++)
if(mFormatCtx->streams[j]->codec->codec_type == AVMEDIA_TYPE_AUDIO)
mFormatCtx->streams[j]->codec->request_sample_fmt = AV_SAMPLE_FMT_S16;
if(avformat_find_stream_info(mFormatCtx, NULL) < 0)
fail("Failed to find stream info in "+fname);
@ -164,7 +172,6 @@ void FFmpeg_Decoder::open(const std::string &fname)
{
if(mFormatCtx->streams[j]->codec->codec_type == AVMEDIA_TYPE_AUDIO)
{
mFormatCtx->streams[j]->codec->request_sample_fmt = AV_SAMPLE_FMT_S16;
mStream = &mFormatCtx->streams[j];
break;
}
@ -172,6 +179,8 @@ void FFmpeg_Decoder::open(const std::string &fname)
if(!mStream)
fail("No audio streams in "+fname);
(*mStream)->codec->request_sample_fmt = ffmpegNonPlanarSampleFormat ((*mStream)->codec->sample_fmt);
AVCodec *codec = avcodec_find_decoder((*mStream)->codec->codec_id);
if(!codec)
{