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Working version - converts FLTP to FLT. Does not work when converting to S16.

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This commit is contained in:
cc9cii 2014-08-31 22:01:08 +10:00
parent 16c165185b
commit 8429dab271
1 changed files with 18 additions and 23 deletions
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41
apps/openmw/mwrender/videoplayer.cpp
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@ -513,7 +513,7 @@ public:
mSamplesAllChannels = av_get_bytes_per_sample(mAVStream->codec->sample_fmt) *
mAVStream->codec->channels;
mOutputSampleSize = av_get_bytes_per_sample(mAVStream->codec->sample_fmt); // TODO: not correct for S16
mOutputSampleSize = av_get_bytes_per_sample(AV_SAMPLE_FMT_FLT);
}
/*
@ -547,8 +547,6 @@ public:
int sample_skip = synchronize_audio();
size_t total = 0;
float *outputStream = (float *)&stream[0];
while(total < len)
{
if(mFramePos >= mFrameSize)
@ -575,27 +573,24 @@ public:
if(mSwr)
{
// Convert from AV_SAMPLE_FMT_FLTP to AV_SAMPLE_FMT_FLT
// FIXME: support channel formats other than stereo
// FIXME: support sample formats other than Float32
float* inputChannel0 = (float*)mFrame->extended_data[0];
float* inputChannel1 = (float*)mFrame->extended_data[1];
inputChannel0 += mFramePos/mSamplesAllChannels;
inputChannel1 += mFramePos/mSamplesAllChannels;
// samples per channel = len1 bytes / bytes per sample / number of channels
unsigned int len1Samples = len1 / mSamplesAllChannels;
// stream offset = total bytes / bytes per sample
unsigned int totalOffset = total / mOutputSampleSize;
float sample0 = 0;
float sample1 = 0;
for (unsigned int i = 0 ; i < len1Samples ; ++i)
int convertedSamples = 0;
if(mFramePos > 0 && mFramePos < mFrameSize)
{
sample0 = *inputChannel0++;
sample1 = *inputChannel1++;
outputStream[totalOffset+i*2] = sample0;
outputStream[totalOffset+i*2+1] = sample1;
if(swr_drop_output(mSwr, mFramePos/mSamplesAllChannels) < 0)
break;
convertedSamples = swr_convert(mSwr, (uint8_t**)&stream, len1/mSamplesAllChannels,
(const uint8_t**)mFrame->extended_data, (len1+mFramePos)/mSamplesAllChannels);
}
else
{
convertedSamples = swr_convert(mSwr, (uint8_t**)&stream, len1/mSamplesAllChannels,
(const uint8_t**)mFrame->extended_data, len1/mSamplesAllChannels);
}
if(convertedSamples > 0)
len1 = convertedSamples * mSamplesAllChannels;
else
break;
}
else
{
@ -660,7 +655,7 @@ int VideoState::OgreResource_Read(void *user_data, uint8_t *buf, int buf_size)
return stream->read(buf, buf_size);
}
int VideoState::OgreResource_Write(void *user_data, uint8_t *buf, int buf_size)
int VideoState::OgreResource_Write(void *user_data, uint8_t *buf, int buf_size)
{
Ogre::DataStreamPtr stream = static_cast<VideoState*>(user_data)->stream;
return stream->write(buf, buf_size);