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FLAC: support different sample formats

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badaix 2016-05-03 08:02:07 +02:00
parent c4fd9aa355
commit 16be4f53b8
2 changed files with 43 additions and 30 deletions
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19
server/encoder/flacEncoder.cpp
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@ -80,10 +80,25 @@ void FlacEncoder::encode(const msg::PcmChunk* chunk)
pcmBuffer_ = (FLAC__int32*)realloc(pcmBuffer_, pcmBufferSize_ * sizeof(FLAC__int32));
}
for(int i=0; i<samples; i++)
if (sampleFormat_.sampleSize == 1)
{
pcmBuffer_[i] = (FLAC__int32)(((FLAC__int16)(FLAC__int8)chunk->payload[2*i+1] << 8) | (FLAC__int16)(0x00ff&chunk->payload[2*i]));
FLAC__int8* buffer = (FLAC__int8*)chunk->payload;
for(int i=0; i<samples; i++)
pcmBuffer_[i] = (FLAC__int32)(buffer[i]);
}
else if (sampleFormat_.sampleSize == 2)
{
FLAC__int16* buffer = (FLAC__int16*)chunk->payload;
for(int i=0; i<samples; i++)
pcmBuffer_[i] = (FLAC__int32)(buffer[i]);
}
else if (sampleFormat_.sampleSize == 4)
{
FLAC__int32* buffer = (FLAC__int32*)chunk->payload;
for(int i=0; i<samples; i++)
pcmBuffer_[i] = (FLAC__int32)(buffer[i]);
}
FLAC__stream_encoder_process_interleaved(encoder_, pcmBuffer_, frames);