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-rw-r--r--src/pcm_utils.c7
-rw-r--r--src/pcm_utils.h7
2 files changed, 8 insertions, 6 deletions
diff --git a/src/pcm_utils.c b/src/pcm_utils.c
index 628c524d2..3cf57def1 100644
--- a/src/pcm_utils.c
+++ b/src/pcm_utils.c
@@ -24,7 +24,7 @@
#include "conf.h"
#include "os_compat.h"
-void pcm_volumeChange(char *buffer, int bufferSize, AudioFormat * format,
+void pcm_volumeChange(char *buffer, int bufferSize, const AudioFormat * format,
int volume)
{
mpd_sint32 temp32;
@@ -389,8 +389,9 @@ static const char *pcm_convertTo16bit(mpd_sint8 bits, const char *inBuffer,
}
/* outFormat bits must be 16 and channels must be 1 or 2! */
-size_t pcm_convertAudioFormat(AudioFormat * inFormat, const char *inBuffer,
- size_t inSize, AudioFormat * outFormat,
+size_t pcm_convertAudioFormat(const AudioFormat * inFormat,
+ const char *inBuffer, size_t inSize,
+ const AudioFormat * outFormat,
char *outBuffer, ConvState *convState)
{
const char *buf;
diff --git a/src/pcm_utils.h b/src/pcm_utils.h
index db7846598..53d268db7 100644
--- a/src/pcm_utils.h
+++ b/src/pcm_utils.h
@@ -42,14 +42,15 @@ typedef struct _ConvState {
int error;
} ConvState;
-void pcm_volumeChange(char *buffer, int bufferSize, AudioFormat * format,
+void pcm_volumeChange(char *buffer, int bufferSize, const AudioFormat * format,
int volume);
void pcm_mix(char *buffer1, const char *buffer2, size_t bufferSize1,
size_t bufferSize2, const AudioFormat * format, float portion1);
-size_t pcm_convertAudioFormat(AudioFormat * inFormat, const char *inBuffer,
- size_t inSize, AudioFormat * outFormat,
+size_t pcm_convertAudioFormat(const AudioFormat * inFormat,
+ const char *inBuffer, size_t inSize,
+ const AudioFormat * outFormat,
char *outBuffer, ConvState *convState);
size_t pcm_sizeOfConvBuffer(const AudioFormat * inFormat, size_t inSize,