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| author | Warren Dukes <warren.dukes@gmail.com> | 2005-02-02 04:22:16 +0000 |
|---|---|---|
| committer | Warren Dukes <warren.dukes@gmail.com> | 2005-02-02 04:22:16 +0000 |
| commit | 1e123ad4b737bc93317f8203ed34d3cebe24b2e0 (patch) | |
| tree | 85ee254520ce4a9e793f83fcaca61dccd0c81ced | |
| parent | f134e2686a18eb7c9ef176e2322e7cede9843ea8 (diff) | |
| download | mpd-1e123ad4b737bc93317f8203ed34d3cebe24b2e0.tar.gz mpd-1e123ad4b737bc93317f8203ed34d3cebe24b2e0.tar.xz mpd-1e123ad4b737bc93317f8203ed34d3cebe24b2e0.zip | |
minor optimization to flacWrite()
git-svn-id: https://svn.musicpd.org/mpd/trunk@2927 09075e82-0dd4-0310-85a5-a0d7c8717e4f
Diffstat (limited to '')
| -rw-r--r-- | src/inputPlugins/flac_plugin.c | 35 |
1 files changed, 16 insertions, 19 deletions
diff --git a/src/inputPlugins/flac_plugin.c b/src/inputPlugins/flac_plugin.c index 365bfb78a..e65853f6d 100644 --- a/src/inputPlugins/flac_plugin.c +++ b/src/inputPlugins/flac_plugin.c @@ -397,12 +397,11 @@ FLAC__StreamDecoderWriteStatus flacWrite(const FLAC__SeekableStreamDecoder *dec, { FlacData * data = (FlacData *)vdata; FLAC__uint32 samples = frame->header.blocksize; - FLAC__uint16 u16; - unsigned char * uc; - int c_samp, c_chan, d_samp; - int i; + int c_samp; + int c_chan; float timeChange; FLAC__uint64 newPosition = 0; + int bytesPerSample = data->dc->audioFormat.bits/8; timeChange = ((float)samples)/frame->header.sample_rate; data->time+= timeChange; @@ -414,22 +413,20 @@ FLAC__StreamDecoderWriteStatus flacWrite(const FLAC__SeekableStreamDecoder *dec, } data->position = newPosition; - for(c_samp = d_samp = 0; c_samp < frame->header.blocksize; c_samp++) { - for(c_chan = 0; c_chan < frame->header.channels; - c_chan++, d_samp++) { - u16 = buf[c_chan][c_samp]; - uc = (unsigned char *)&u16; - for(i=0;i<(data->dc->audioFormat.bits/8);i++) { - if(data->chunk_length>=FLAC_CHUNK_SIZE) { - if(flacSendChunk(data)<0) { - return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; - } - data->chunk_length = 0; - if(data->dc->seek) { - return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE; - } + for(c_samp = 0; c_samp < frame->header.blocksize; c_samp++) { + for(c_chan = 0; c_chan < frame->header.channels; c_chan++) { + memcpy(data->chunk+data->chunk_length, + &buf[c_chan][c_samp], bytesPerSample); + data->chunk_length++; + if(FLAC_CHUNK_SIZE-data->chunk_length < bytesPerSample) + { + if(flacSendChunk(data)<0) { + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + data->chunk_length = 0; + if(data->dc->seek) { + return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE; } - data->chunk[data->chunk_length++] = *(uc++); } } } |