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flac

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badaix 2015-01-06 19:56:54 +01:00
parent bc1c572d78
commit 82f7876da2
3 changed files with 41 additions and 44 deletions
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41
server/flacEncoder.cpp
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@ -4,18 +4,34 @@
using namespace std;
FlacEncoder::FlacEncoder(const msg::SampleFormat& format) : Encoder(format), encoder(0)
{
initEncoder();
}
#define READSIZE 16384
static FLAC__int32 pcm[READSIZE/*samples*/ * 2/*channels*/];
size_t encodedSamples = 0;
static msg::PcmChunk* encodedChunk;
static msg::PcmChunk* encodedChunk = NULL;
FlacEncoder::FlacEncoder(const msg::SampleFormat& format) : Encoder(format), encoder(NULL)
{
encodedChunk = new msg::PcmChunk();
headerChunk = new msg::Header("flac");
initEncoder();
}
FlacEncoder::~FlacEncoder()
{
if (encoder != NULL)
{
FLAC__stream_encoder_finish(encoder);
FLAC__metadata_object_delete(metadata[0]);
FLAC__metadata_object_delete(metadata[1]);
FLAC__stream_encoder_delete(encoder);
}
delete encodedChunk;
}
msg::Header* FlacEncoder::getHeaderChunk()
@ -37,7 +53,7 @@ logD << "payload: " << chunk->payloadSize << "\tsamples: " << chunk->payloadSize
double res = encodedSamples / ((double)sampleFormat.rate / 1000.);
if (encodedSamples > 0)
{
logO << "encoded: " << chunk->payloadSize << "\tsamples: " << encodedSamples << "\tres: " << res << "\n";
logD << "encoded: " << chunk->payloadSize << "\tsamples: " << encodedSamples << "\tres: " << res << "\n";
encodedSamples = 0;
chunk->payloadSize = encodedChunk->payloadSize;
chunk->payload = (char*)realloc(chunk->payload, encodedChunk->payloadSize);
@ -57,7 +73,7 @@ FLAC__StreamEncoderWriteStatus write_callback(const FLAC__StreamEncoder *encoder
unsigned current_frame,
void *client_data)
{
logO << "write_callback: " << bytes << ", " << samples << ", " << current_frame << "\n";
logD << "write_callback: " << bytes << ", " << samples << ", " << current_frame << "\n";
FlacEncoder* flacEncoder = (FlacEncoder*)client_data;
if ((current_frame == 0) && (bytes > 0) && (samples == 0))
{
@ -82,11 +98,8 @@ logO << "write_callback: " << bytes << ", " << samples << ", " << current_frame
void FlacEncoder::initEncoder()
{
encodedChunk = new msg::PcmChunk();
headerChunk = new msg::Header("flac");
FLAC__bool ok = true;
FLAC__StreamEncoderInitStatus init_status;
FLAC__StreamMetadata *metadata[2];
FLAC__StreamMetadata_VorbisComment_Entry entry;
// allocate the encoder
@ -96,7 +109,7 @@ void FlacEncoder::initEncoder()
}
ok &= FLAC__stream_encoder_set_verify(encoder, true);
ok &= FLAC__stream_encoder_set_compression_level(encoder, 1);
ok &= FLAC__stream_encoder_set_compression_level(encoder, 5);
ok &= FLAC__stream_encoder_set_channels(encoder, sampleFormat.channels);
ok &= FLAC__stream_encoder_set_bits_per_sample(encoder, sampleFormat.bits);
ok &= FLAC__stream_encoder_set_sample_rate(encoder, sampleFormat.rate);