diff options
Diffstat (limited to 'src/pcm_utils.c')
| -rw-r--r-- | src/pcm_utils.c | 37 |
1 files changed, 20 insertions, 17 deletions
diff --git a/src/pcm_utils.c b/src/pcm_utils.c index 8cc19a9d4..bf4b5e4c8 100644 --- a/src/pcm_utils.c +++ b/src/pcm_utils.c @@ -182,10 +182,10 @@ static int pcm_getSampleRateConverter(void) #endif #ifdef HAVE_LIBSAMPLERATE -static int pcm_convertSampleRate(mpd_sint8 channels, mpd_uint32 inSampleRate, - char *inBuffer, size_t inSize, - mpd_uint32 outSampleRate, char *outBuffer, - size_t outSize, ConvState *convState) +static size_t pcm_convertSampleRate(mpd_sint8 channels, mpd_uint32 inSampleRate, + char *inBuffer, size_t inSize, + mpd_uint32 outSampleRate, char *outBuffer, + size_t outSize, ConvState *convState) { static int convalgo = -1; SRC_DATA *data = &convState->data; @@ -254,14 +254,14 @@ static int pcm_convertSampleRate(mpd_sint8 channels, mpd_uint32 inSampleRate, src_float_to_short_array(data->data_out, (short *)outBuffer, data->output_frames_gen * channels); - return 1; + return data->output_frames_gen * 2 * channels; } #else /* !HAVE_LIBSAMPLERATE */ /* resampling code blatantly ripped from ESD */ -static int pcm_convertSampleRate(mpd_sint8 channels, mpd_uint32 inSampleRate, - char *inBuffer, size_t inSize, - mpd_uint32 outSampleRate, char *outBuffer, - size_t outSize, ConvState *convState) +static size_t pcm_convertSampleRate(mpd_sint8 channels, mpd_uint32 inSampleRate, + char *inBuffer, size_t inSize, + mpd_uint32 outSampleRate, char *outBuffer, + size_t outSize, ConvState *convState) { mpd_uint32 rd_dat = 0; mpd_uint32 wr_dat = 0; @@ -294,7 +294,7 @@ static int pcm_convertSampleRate(mpd_sint8 channels, mpd_uint32 inSampleRate, break; } - return 1; + return outSize; } #endif /* !HAVE_LIBSAMPLERATE */ @@ -391,9 +391,9 @@ static char *pcm_convertTo16bit(mpd_sint8 bits, char *inBuffer, size_t inSize, } /* outFormat bits must be 16 and channels must be 1 or 2! */ -void pcm_convertAudioFormat(AudioFormat * inFormat, char *inBuffer, - size_t inSize, AudioFormat * outFormat, - char *outBuffer, ConvState *convState) +size_t pcm_convertAudioFormat(AudioFormat * inFormat, char *inBuffer, + size_t inSize, AudioFormat * outFormat, + char *outBuffer, ConvState *convState) { char *buf; size_t len; @@ -417,12 +417,15 @@ void pcm_convertAudioFormat(AudioFormat * inFormat, char *inBuffer, assert(outSize >= len); memcpy(outBuffer, buf, len); } else { - if (!pcm_convertSampleRate(outFormat->channels, - inFormat->sampleRate, buf, len, - outFormat->sampleRate, outBuffer, - outSize, convState)) + len = pcm_convertSampleRate(outFormat->channels, + inFormat->sampleRate, buf, len, + outFormat->sampleRate, outBuffer, + outSize, convState); + if (len == 0) exit(EXIT_FAILURE); } + + return len; } size_t pcm_sizeOfConvBuffer(AudioFormat * inFormat, size_t inSize, |