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Diffstat (limited to 'src/inputPlugins/mp3_plugin.c')
-rw-r--r--src/inputPlugins/mp3_plugin.c47
1 files changed, 13 insertions, 34 deletions
diff --git a/src/inputPlugins/mp3_plugin.c b/src/inputPlugins/mp3_plugin.c
index 471a173a1..15e69c385 100644
--- a/src/inputPlugins/mp3_plugin.c
+++ b/src/inputPlugins/mp3_plugin.c
@@ -57,7 +57,8 @@
#define MUTEFRAME_SEEK 2
/* this is stolen from mpg321! */
-struct audio_dither {
+
+/*struct audio_dither {
mad_fixed_t error[3];
mad_fixed_t random;
};
@@ -108,7 +109,7 @@ signed long audio_linear_dither(unsigned int bits, mad_fixed_t sample, struct au
dither->error[0] = sample - output;
return output >> scalebits;
-}
+}*/
/* end of stolen stuff from mpg321 */
/* decoder stuff is based on madlld */
@@ -135,7 +136,7 @@ typedef struct _mp3DecodeData {
int flush;
unsigned long bitRate;
InputStream * inStream;
- struct audio_dither dither;
+ /*struct audio_dither dither;*/
} mp3DecodeData;
void initMp3DecodeData(mp3DecodeData * data, InputStream * inStream) {
@@ -149,7 +150,7 @@ void initMp3DecodeData(mp3DecodeData * data, InputStream * inStream) {
data->currentFrame = 0;
data->flush = 1;
data->inStream = inStream;
- memset(&(data->dither), 0, sizeof(struct audio_dither));
+/* memset(&(data->dither), 0, sizeof(struct audio_dither));*/
mad_stream_init(&data->stream);
data->stream.options |= MAD_OPTION_IGNORECRC;
@@ -566,35 +567,18 @@ int mp3Read(mp3DecodeData * data, OutputBuffer * cb, DecoderControl * dc) {
}
for(i=0;i<(data->synth).pcm.length;i++) {
-#ifdef MPD_FIXED_POINT
- mpd_sint16 * sample;
- sample = (mpd_sint16 *)data->outputPtr;
- *sample = (mpd_sint16) audio_linear_dither(16,
- (data->synth).pcm.samples[0][i],
- &(data->dither));
- data->outputPtr+=2;
-
- if(MAD_NCHANNELS(&(data->frame).header)==2) {
- sample = (mpd_sint16 *)data->outputPtr;
- *sample = (mpd_sint16) audio_linear_dither(16,
- (data->synth).pcm.samples[1][i],
- &(data->dither));
- data->outputPtr+=2;
- }
-#else
- mpd_float32 * sample;
- sample = (mpd_float32 *)data->outputPtr;
- *sample = (mpd_float32) mad_f_todouble(
- (data->synth).pcm.samples[0][i]);
+ mpd_fixed_t * sample;
+ sample = (mpd_fixed_t *)data->outputPtr;
+ *sample = (mpd_fixed_t)
+ ((data->synth).pcm.samples[0][i]);
data->outputPtr+=4;
if(MAD_NCHANNELS(&(data->frame).header)==2) {
- sample = (mpd_sint16 *)data->outputPtr;
- *sample = (mpd_float32) mad_f_todouble(
- (data->synth).pcm.samples[0][i]);
+ sample = (mpd_fixed_t *)data->outputPtr;
+ *sample = (mpd_fixed_t)
+ ((data->synth).pcm.samples[0][i]);
data->outputPtr+=4;
}
-#endif
if(data->outputPtr>=data->outputBufferEnd) {
long ret;
@@ -667,13 +651,8 @@ int mp3Read(mp3DecodeData * data, OutputBuffer * cb, DecoderControl * dc) {
}
void initAudioFormatFromMp3DecodeData(mp3DecodeData * data, AudioFormat * af) {
-#ifdef MPD_FIXED_POINT
- af->bits = 16;
- af->floatSamples = 0;
-#else
af->bits = 32;
- af->floatSamples = 1;
-#endif
+ af->fracBits = MAD_F_FRACBITS;
af->sampleRate = (data->frame).header.samplerate;
af->channels = MAD_NCHANNELS(&(data->frame).header);
}