change types of volumes from "int" to "int32_t"

git-svn-id: file:///home/lennart/svn/public/libsydney/trunk@9 9ba3c220-e4d3-45a2-8aa3-73fcc9aff6ce

1 files changed, 3 insertions, 3 deletions

diff --git a/sydney.h b/sydney.h
index 5b3f009..1f53784 100644
--- a/sydney.h
+++ b/sydney.h
@@ -30,7 +30,7 @@ async-signal safe.
 typedef struct sa_stream sa_stream_t;
 
 /** Volume that corresponds to muted in/out */
-#define SA_VOLUME_MUTED 0x80000000
+#define SA_VOLUME_MUTED ((int32_t) (-0x80000000))
 
 /** Ways to express seek offsets for pread/pwrite */
 typedef enum {
@@ -273,10 +273,10 @@ int sa_stream_start_thread(sa_stream_t *s, sa_event_callback_t *callback);
 int sa_stream_change_device(sa_stream_t *s, const char *device_name);
 
 /** volume in hundreths of dB*/
-int sa_stream_change_input_volume(sa_stream_t *s, const int vol[]);
+int sa_stream_change_input_volume(sa_stream_t *s, const int32_t vol[]);
 
 /** volume in hundreths of dB*/
-int sa_stream_change_output_volume(sa_stream_t *s, const int vol[]);
+int sa_stream_change_output_volume(sa_stream_t *s, const int32_t vol[]);
 
 /** Change the sampling rate */
 int sa_stream_change_rate(sa_stream_t *s, unsigned rate);