Add a callback for codec format changed.
Bug: 133526565
Test: Manually
Change-Id: Ie7d17c7d9b49394601b4788aa44a8407ebb6f72e
diff --git a/include/hardware/audio.h b/include/hardware/audio.h
index b047fa0..b87d3bb 100644
--- a/include/hardware/audio.h
+++ b/include/hardware/audio.h
@@ -203,8 +203,15 @@
STREAM_CBK_EVENT_ERROR, /* stream hit some error, let AF take action */
} stream_callback_event_t;
+typedef enum {
+ STREAM_EVENT_CBK_TYPE_CODEC_FORMAT_CHANGED, /* codec format of the stream changed */
+} stream_event_callback_type_t;
+
typedef int (*stream_callback_t)(stream_callback_event_t event, void *param, void *cookie);
+typedef int (*stream_event_callback_t)(stream_event_callback_type_t event,
+ void *param, void *cookie);
+
/* type of drain requested to audio_stream_out->drain(). Mutually exclusive */
typedef enum {
AUDIO_DRAIN_ALL, /* drain() returns when all data has been played */
@@ -422,6 +429,13 @@
*/
void (*update_source_metadata)(struct audio_stream_out *stream,
const struct source_metadata* source_metadata);
+
+ /**
+ * Set the callback function for notifying events for an output stream.
+ */
+ int (*set_event_callback)(struct audio_stream_out *stream,
+ stream_event_callback_t callback,
+ void *cookie);
};
typedef struct audio_stream_out audio_stream_out_t;