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| author | Miika Pekkarinen <miipekk@ihme.org> | 2005-06-26 19:41:29 +0000 |
|---|---|---|
| committer | Miika Pekkarinen <miipekk@ihme.org> | 2005-06-26 19:41:29 +0000 |
| commit | d8cb703b1e86c9f910211a976d8bed0c7a99379a (patch) | |
| tree | 6db3b698d83e639974bd6603225ff11891652113 /apps/codecs/wav.c | |
| parent | 316eb6538e2fc88efa93248deb761679071409f1 (diff) | |
| download | rockbox-d8cb703b1e86c9f910211a976d8bed0c7a99379a.zip rockbox-d8cb703b1e86c9f910211a976d8bed0c7a99379a.tar.gz rockbox-d8cb703b1e86c9f910211a976d8bed0c7a99379a.tar.bz2 rockbox-d8cb703b1e86c9f910211a976d8bed0c7a99379a.tar.xz | |
Initial DSP implementation. DSP supports resampling audio stream from
codecs (currently works corrently only with mp3's, somebody should fix
that).
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6877 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/codecs/wav.c')
| -rw-r--r-- | apps/codecs/wav.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/apps/codecs/wav.c b/apps/codecs/wav.c index dfed97d..49bd12d 100644 --- a/apps/codecs/wav.c +++ b/apps/codecs/wav.c @@ -20,6 +20,7 @@ #include "codec.h" #include "playback.h" #include "lib/codeclib.h" +#include "dsp.h" #define BYTESWAP(x) (((x>>8) & 0xff) | ((x<<8) & 0xff00)) @@ -60,12 +61,26 @@ enum codec_status codec_start(struct codec_api* api) ci->configure(CODEC_SET_FILEBUF_WATERMARK, (int *)(1024*512)); ci->configure(CODEC_SET_FILEBUF_CHUNKSIZE, (int *)(1024*256)); + ci->configure(DSP_DITHER, (bool *)false); + ci->configure(DSP_SET_STEREO_MODE, (int *)STEREO_INTERLEAVED); + ci->configure(DSP_SET_SAMPLE_DEPTH, (int *)(16)); + next_track: if (codec_init(api)) { return CODEC_ERROR; } + while (!rb->taginfo_ready) + rb->yield(); + + if (rb->id3->frequency != NATIVE_FREQUENCY) { + rb->configure(DSP_SET_FREQUENCY, (long *)(rb->id3->frequency)); + rb->configure(CODEC_DSP_ENABLE, (bool *)true); + } else { + rb->configure(CODEC_DSP_ENABLE, (bool *)false); + } + /* FIX: Correctly parse WAV header - we assume canonical 44-byte header */ header=ci->request_buffer(&n,44); @@ -116,7 +131,7 @@ enum codec_status codec_start(struct codec_api* api) /* Byte-swap data */ for (i=0;i<n/2;i++) { - wavbuf[i]=BYTESWAP(wavbuf[i]); + wavbuf[i]=SWAB16(wavbuf[i]); } samplesdone+=nsamples; |