Revert "Revert "audio policy for concurrent capture.""
This reverts commit 84332aaa807037baca05340875f2d94fcc519ac4.
Bug:26841909
diff --git a/services/audiopolicy/common/include/policy.h b/services/audiopolicy/common/include/policy.h
index 34984f9..e3ee4e5 100755
--- a/services/audiopolicy/common/include/policy.h
+++ b/services/audiopolicy/common/include/policy.h
@@ -30,9 +30,9 @@
/**
* A device mask for all audio input devices that are considered "virtual" when evaluating
- * active inputs in getActiveInput()
+ * active inputs in getActiveInputs()
*/
-#define APM_AUDIO_IN_DEVICE_VIRTUAL_ALL (AUDIO_DEVICE_IN_REMOTE_SUBMIX|AUDIO_DEVICE_IN_FM_TUNER)
+#define APM_AUDIO_IN_DEVICE_VIRTUAL_ALL (AUDIO_DEVICE_IN_REMOTE_SUBMIX)
/**
@@ -88,3 +88,41 @@
(((device & AUDIO_DEVICE_BIT_IN) == 0) &&
((device & APM_AUDIO_DEVICE_OUT_MATCH_ADDRESS_ALL) != 0));
}
+
+/**
+ * Returns the priority of a given audio source for capture. The priority is used when more than one
+ * capture session is active on a given input stream to determine which session drives routing and
+ * effect configuration.
+ *
+ * @param[in] inputSource to consider. Valid sources are:
+ * - AUDIO_SOURCE_VOICE_COMMUNICATION
+ * - AUDIO_SOURCE_CAMCORDER
+ * - AUDIO_SOURCE_MIC
+ * - AUDIO_SOURCE_FM_TUNER
+ * - AUDIO_SOURCE_VOICE_RECOGNITION
+ * - AUDIO_SOURCE_HOTWORD
+ *
+ * @return the corresponding input source priority or 0 if priority is irrelevant for this source.
+ * This happens when the specified source cannot share a given input stream (e.g remote submix)
+ * The higher the value, the higher the priority.
+ */
+static inline int32_t source_priority(audio_source_t inputSource)
+{
+ switch (inputSource) {
+ case AUDIO_SOURCE_VOICE_COMMUNICATION:
+ return 6;
+ case AUDIO_SOURCE_CAMCORDER:
+ return 5;
+ case AUDIO_SOURCE_MIC:
+ return 4;
+ case AUDIO_SOURCE_FM_TUNER:
+ return 3;
+ case AUDIO_SOURCE_VOICE_RECOGNITION:
+ return 2;
+ case AUDIO_SOURCE_HOTWORD:
+ return 1;
+ default:
+ break;
+ }
+ return 0;
+}