audio: move struct audio_config definition to audio.h

struct audio_config definition moved from hardware/audio.h to
system/audio.h for use inside the framework and not only at the HAL.

Added frame_count field to struct audio_config.

Bug: 14815883.

Change-Id: Ib0e99a60234b8e5302eb882b89e5a021a94ec2cb

1 files changed, 32 insertions, 0 deletions

diff --git a/include/system/audio.h b/include/system/audio.h
index 5db2127..13c8ae5 100644
--- a/include/system/audio.h
+++ b/include/system/audio.h
@@ -740,6 +740,38 @@ static const audio_offload_info_t AUDIO_INFO_INITIALIZER = {
     is_streaming: false
 };
 
+/* common audio stream configuration parameters
+ * You should memset() the entire structure to zero before use to
+ * ensure forward compatibility
+ */
+struct audio_config {
+    uint32_t sample_rate;
+    audio_channel_mask_t channel_mask;
+    audio_format_t  format;
+    audio_offload_info_t offload_info;
+    size_t frame_count;
+};
+typedef struct audio_config audio_config_t;
+
+static const audio_config_t AUDIO_CONFIG_INITIALIZER = {
+    sample_rate: 0,
+    channel_mask: AUDIO_CHANNEL_NONE,
+    format: AUDIO_FORMAT_DEFAULT,
+    offload_info: {
+        version: AUDIO_OFFLOAD_INFO_VERSION_CURRENT,
+        size: sizeof(audio_offload_info_t),
+        sample_rate: 0,
+        channel_mask: 0,
+        format: AUDIO_FORMAT_DEFAULT,
+        stream_type: AUDIO_STREAM_VOICE_CALL,
+        bit_rate: 0,
+        duration_us: 0,
+        has_video: false,
+        is_streaming: false
+    },
+    frame_count: 0,
+};
+
 
 /* audio hw module handle functions or structures referencing a module */
 typedef int audio_module_handle_t;