commit e49253e19ab35b5b76174104251fad4940fe5a5c
author Varun Balaraj <varunb@codeaurora.org> Thu Jul 06 19:48:56 2017 +0530
committer Garmond Leung <garmondl@codeaurora.org> Tue Aug 29 16:26:38 2017 -0700
tree 8f29a0ff32916735887a2cf0ce2fee4e2040519a
parent 45929186ef1da004d21887868c3079786aede562

hal: Adding Pan-Scale, downmix mixer control support.

Add support in HAL to send mix matrix params using downmix,
Pan-Scale mixer controls. Add new interactive usecases and
also add support to open and teardown for interactive streams.
Add support in test app for supporting up to 9 concurrent
streams. Add support for mixer matrix params handling.

Change-Id: I0dc5b908ee779b2b2c526a67609c057f591f26e7

hal/audio_hw.h

diff --git a/hal/audio_hw.h b/hal/audio_hw.h
index 8228f3b..fec2400 100644
--- a/hal/audio_hw.h
+++ b/hal/audio_hw.h
@@ -170,6 +170,15 @@
     USECASE_AUDIO_PLAYBACK_EXT_DISP_SILENCE,
 
     USECASE_AUDIO_TRANSCODE_LOOPBACK,
+
+    USECASE_AUDIO_PLAYBACK_INTERACTIVE_STREAM1,
+    USECASE_AUDIO_PLAYBACK_INTERACTIVE_STREAM2,
+    USECASE_AUDIO_PLAYBACK_INTERACTIVE_STREAM3,
+    USECASE_AUDIO_PLAYBACK_INTERACTIVE_STREAM4,
+    USECASE_AUDIO_PLAYBACK_INTERACTIVE_STREAM5,
+    USECASE_AUDIO_PLAYBACK_INTERACTIVE_STREAM6,
+    USECASE_AUDIO_PLAYBACK_INTERACTIVE_STREAM7,
+    USECASE_AUDIO_PLAYBACK_INTERACTIVE_STREAM8,
     AUDIO_USECASE_MAX
 };
 
@@ -312,6 +321,8 @@
 
     char pm_qos_mixer_path[MAX_MIXER_PATH_LEN];
     int dynamic_pm_qos_enabled;
+    mix_matrix_params_t pan_scale_params;
+    mix_matrix_params_t downmix_params;
 };
 
 struct stream_in {
@@ -484,6 +495,7 @@
     bool vr_audio_mode_enabled;
     bool bt_sco_on;
     struct audio_device_config_param *device_cfg_params;
+    unsigned int interactive_usecase_state;
 };
 
 int select_devices(struct audio_device *adev,
@@ -526,6 +538,8 @@
 void adev_close_output_stream(struct audio_hw_device *dev __unused,
                               struct audio_stream_out *stream);
 
+bool is_interactive_usecase(audio_usecase_t uc_id);
+
 #define LITERAL_TO_STRING(x) #x
 #define CHECK(condition) LOG_ALWAYS_FATAL_IF(!(condition), "%s",\
             __FILE__ ":" LITERAL_TO_STRING(__LINE__)\