Merge "aaudio_loopback: Allow specifying input device id" (4e7c08a1) · Commits · e / os / android_frameworks_av

media/libaaudio/examples/loopback/src/loopback.cpp

+6 −0

Original line number	Diff line number	Diff line
		@@ -295,6 +295,7 @@ static void usage() {
		AAudioArgsParser::usage();
		printf(" -B{frames} input capacity in frames\n");
		printf(" -C{channels} number of input channels\n");
		printf(" -D{deviceId} input device ID\n");
		printf(" -F{0,1,2} input format, 1=I16, 2=FLOAT\n");
		printf(" -g{gain} recirculating loopback gain\n");
		printf(" -h{hangMillis} occasionally hang in the callback\n");
		@@ -393,6 +394,7 @@ int main(int argc, const char **argv)
		AAudioStream *outputStream = nullptr;

		aaudio_result_t result = AAUDIO_OK;
		int32_t requestedInputDeviceId = AAUDIO_UNSPECIFIED;
		aaudio_sharing_mode_t requestedInputSharingMode = AAUDIO_SHARING_MODE_SHARED;
		int requestedInputChannelCount = kNumInputChannels;
		aaudio_format_t requestedInputFormat = AAUDIO_FORMAT_UNSPECIFIED;
		@@ -431,6 +433,9 @@ int main(int argc, const char **argv)
		case 'C':
		requestedInputChannelCount = atoi(&arg[2]);
		break;
		case 'D':
		requestedInputDeviceId = atoi(&arg[2]);
		break;
		case 'F':
		requestedInputFormat = atoi(&arg[2]);
		break;
		@@ -529,6 +534,7 @@ int main(int argc, const char **argv)

		printf("INPUT stream ----------------------------------------\n");
		// Use different parameters for the input.
		argParser.setDeviceId(requestedInputDeviceId);
		argParser.setNumberOfBursts(AAUDIO_UNSPECIFIED);
		argParser.setFormat(requestedInputFormat);
		argParser.setPerformanceMode(inputPerformanceLevel);