1 files changed, 67 insertions, 0 deletions
diff --git a/src/common.h b/src/common.h
new file mode 100644
index 0000000..b5f316c
--- /dev/null
+++ b/src/common.h
@@ -0,0 +1,67 @@
+#ifndef foocommonh
+#define foocommonh
+
+#include "sydney.h"
+#include "mutex.h"
+
+#define _META_NAMES_MAX 9
+
+typedef struct sa_pcm_attrs {
+    sa_pcm_format_t format;
+    unsigned rate;
+    unsigned nchannels;
+    sa_channel_t *channel_map;
+} pcm_attrs_t;
+
+struct sa_stream {
+    sa_mode_t mode;
+
+    pcm_attrs_t pcm_attrs;
+    size_t pcm_sample_size;
+    size_t pcm_frame_size;
+
+    char *codec;
+
+    size_t read_lower_watermark;
+    size_t read_upper_watermark;
+    size_t write_lower_watermark;
+    size_t write_upper_watermark;
+
+    sa_xrun_mode_t xrun_mode;
+    int ni_enabled;
+    int dynamic_rate_enabled;
+    
+    sa_event_callback_t event_callback;
+
+    char *device;
+    char *driver;
+    
+    int32_t *read_volume;
+    int32_t *write_volume;
+
+    void *user_data;
+
+    sa_state_t state;
+
+    sa_adjust_t adjust_rate;
+    sa_adjust_t adjust_nchannels;
+    sa_adjust_t adjust_pcm_format;
+    sa_adjust_t adjust_watermarks;
+
+    sa_error_t error;
+    sa_notify_t notify;
+    sa_event_t event;
+
+    void *private; /* driver specific data */
+
+    void *meta_data[_META_NAMES_MAX];
+    size_t meta_data_size[_META_NAMES_MAX];
+
+    sa_mutex_t *mutex;
+
+    sa_event_callback_t callback;
+};
+
+size_t sa_get_pcm_sample_size(sa_pcm_format_t f);
+
+#endif