at basic locking/threading support

git-svn-id: file:///home/lennart/svn/public/libsydney/trunk@26 9ba3c220-e4d3-45a2-8aa3-73fcc9aff6ce

1 files changed, 10 insertions, 9 deletions

diff --git a/sydney.h b/sydney.h
index 30afc03..e9ba724 100644
--- a/sydney.h
+++ b/sydney.h
@@ -106,7 +106,8 @@ typedef enum {
     SA_ERROR_NO_INIT = -9,
     SA_ERROR_NO_META = -10,
     SA_ERROR_NO_DATA = -11,
-    _SA_ERROR_MAX = -12
+    SA_ERROR_NO_SPACE = -12,
+    _SA_ERROR_MAX = -13
 } sa_error_t;
 
 /** Possible events for notifications */
@@ -287,7 +288,7 @@ int sa_stream_change_rate(sa_stream_t *s, unsigned rate);
 int sa_stream_change_meta_data(sa_stream_t *s, const char *name, const void *data, size_t size);
 
 /** Associate opaque user data */
-int sa_stream_change_user_data(sa_stream_t *s, void *value);
+int sa_stream_change_user_data(sa_stream_t *s, const void *value);
 
 /* Hardware-related. This is implementation-specific and hardware specific. */
 int sa_stream_set_adjust_rate(sa_stream_t *s, sa_adjust_t direction);
@@ -298,7 +299,7 @@ int sa_stream_set_adjust_watermarks(sa_stream_t *s, sa_adjust_t direction);
 /* Query functions */
 
 int sa_stream_get_mode(sa_stream_t *s, sa_mode_t *access_mode);
-int sa_stream_get_codec(sa_stream_t *s, const char **codec);
+int sa_stream_get_codec(sa_stream_t *s, char *codec, size_t *size);
 int sa_stream_get_pcm_format(sa_stream_t *s, sa_pcm_format_t *format);
 int sa_stream_get_rate(sa_stream_t *s, unsigned *rate);
 int sa_stream_get_nchannels(sa_stream_t *s, int *nchannels);
@@ -307,15 +308,15 @@ int sa_stream_get_write_lower_watermark(sa_stream_t *s, size_t *size);
 int sa_stream_get_read_lower_watermark(sa_stream_t *s, size_t *size);
 int sa_stream_get_write_upper_watermark(sa_stream_t *s, size_t *size);
 int sa_stream_get_read_upper_watermark(sa_stream_t *s, size_t *size);
-int sa_stream_get_channel_map(sa_stream_t *s, const sa_channel_t *map[]);
+int sa_stream_get_channel_map(sa_stream_t *s, sa_channel_t map[], unsigned *n);
 int sa_stream_get_xrun_mode(sa_stream_t *s, sa_xrun_mode_t *mode);
 int sa_stream_get_non_interleaved(sa_stream_t *s, int *enabled);
 int sa_stream_get_dynamic_rate(sa_stream_t *s, int *enabled);
-int sa_stream_get_driver(sa_stream_t *s, const char **driver);
-int sa_stream_get_device(sa_stream_t *s, const char **device_name);
-int sa_stream_get_read_volume(sa_stream_t *s, const int32_t *vol[]);
-int sa_stream_get_write_volume(sa_stream_t *s, const int32_t *vol[]);
-int sa_stream_get_meta_data(sa_stream_t *s, const char *name, const void **data, size_t *size);
+int sa_stream_get_driver(sa_stream_t *s, char *driver_name, size_t *size);
+int sa_stream_get_device(sa_stream_t *s, char *device_name, size_t *size);
+int sa_stream_get_read_volume(sa_stream_t *s, int32_t vol[], unsigned *n);
+int sa_stream_get_write_volume(sa_stream_t *s, int32_t vol[], unsigned *n);
+int sa_stream_get_meta_data(sa_stream_t *s, const char *name, void *data, size_t *size);
 int sa_stream_get_adjust_rate(sa_stream_t *s, sa_adjust_t *direction);
 int sa_stream_get_adjust_nchannels(sa_stream_t *s, sa_adjust_t *direction);
 int sa_stream_get_adjust_pcm_format(sa_stream_t *s, sa_adjust_t *direction);