add new audio sources for audio capture
This commit adds the following audio capture sources:
- AUDIO_SOURCE_VOICE_PERFORMANCE: for real time live performances like Karaoke.
- AUDIO_SOURCE_ECHO_REFERENCE: for capturing the reference signal to suppress by an echo
canceller. Protected by privileged permission CAPTURE_AUDIO_OUTPUT.
Also added device AUDIO_DEVICE_IN_ECHO_REFERENCE selected when the requested
capture source is AUDIO_SOURCE_ECHO_REFERENCE.
Bug: 118203066
Test: CTS tests for audio capture
Change-Id: Ieb159ea82a7b81acf762506a44e24ec80111609f
diff --git a/media/libaaudio/include/aaudio/AAudio.h b/media/libaaudio/include/aaudio/AAudio.h
index 1493b26..8e36c77 100644
--- a/media/libaaudio/include/aaudio/AAudio.h
+++ b/media/libaaudio/include/aaudio/AAudio.h
@@ -373,6 +373,13 @@
* so the recorded volume may be very low.
*/
AAUDIO_INPUT_PRESET_UNPROCESSED = 9,
+
+ /**
+ * Use this preset for capturing audio meant to be processed in real time
+ * and played back for live performance (e.g karaoke).
+ * The capture path will minimize latency and coupling with playback path.
+ */
+ AAUDIO_INPUT_PRESET_VOICE_PERFORMANCE = 10,
};
typedef int32_t aaudio_input_preset_t;
diff --git a/media/libaaudio/src/core/AAudioStreamParameters.cpp b/media/libaaudio/src/core/AAudioStreamParameters.cpp
index bd42697..88da53a 100644
--- a/media/libaaudio/src/core/AAudioStreamParameters.cpp
+++ b/media/libaaudio/src/core/AAudioStreamParameters.cpp
@@ -158,6 +158,7 @@
case AAUDIO_INPUT_PRESET_VOICE_COMMUNICATION:
case AAUDIO_INPUT_PRESET_VOICE_RECOGNITION:
case AAUDIO_INPUT_PRESET_UNPROCESSED:
+ case AAUDIO_INPUT_PRESET_VOICE_PERFORMANCE:
break; // valid
default:
ALOGE("input preset not valid = %d", mInputPreset);
diff --git a/media/libaaudio/src/utility/AAudioUtilities.cpp b/media/libaaudio/src/utility/AAudioUtilities.cpp
index f5b3ad4..723cbf1 100644
--- a/media/libaaudio/src/utility/AAudioUtilities.cpp
+++ b/media/libaaudio/src/utility/AAudioUtilities.cpp
@@ -210,6 +210,7 @@
STATIC_ASSERT(AAUDIO_INPUT_PRESET_VOICE_RECOGNITION == AUDIO_SOURCE_VOICE_RECOGNITION);
STATIC_ASSERT(AAUDIO_INPUT_PRESET_VOICE_COMMUNICATION == AUDIO_SOURCE_VOICE_COMMUNICATION);
STATIC_ASSERT(AAUDIO_INPUT_PRESET_UNPROCESSED == AUDIO_SOURCE_UNPROCESSED);
+ STATIC_ASSERT(AAUDIO_INPUT_PRESET_VOICE_PERFORMANCE == AUDIO_SOURCE_VOICE_PERFORMANCE);
if (preset == AAUDIO_UNSPECIFIED) {
preset = AAUDIO_INPUT_PRESET_VOICE_RECOGNITION;
}
diff --git a/media/libaaudio/tests/test_attributes.cpp b/media/libaaudio/tests/test_attributes.cpp
index b01af25..dbf8712 100644
--- a/media/libaaudio/tests/test_attributes.cpp
+++ b/media/libaaudio/tests/test_attributes.cpp
@@ -130,6 +130,7 @@
AAUDIO_INPUT_PRESET_VOICE_RECOGNITION,
AAUDIO_INPUT_PRESET_VOICE_COMMUNICATION,
AAUDIO_INPUT_PRESET_UNPROCESSED,
+ AAUDIO_INPUT_PRESET_VOICE_PERFORMANCE,
};
static void checkAttributesUsage(aaudio_performance_mode_t perfMode) {