libeffects: Add multichannel support to Reverb (71e87bfa) · Commits · e / os / android_frameworks_av

media/libeffects/lvm/tests/build_and_run_all_unit_tests_reverb.sh

+43 −25

Original line number	Diff line number	Diff line
		@@ -41,22 +41,30 @@ fs_arr=(
		192000
		)

		flags_arr=(
		"--M --fch 1"
		"--fch 2"
		)

		# run reverb at different configs, saving only the stereo channel
		# pair.
		error_count=0
		testcase_count=0
		for cmd in "${cmds[@]}"
		do
		$cmd
		for flags in "${flags_arr[@]}"
		do
		for preset_val in {0..6}
		do
		for fs in ${fs_arr[*]}
		do
		for chMask in {1..22}
		for chMask in {0..22}
		do
		adb shell LD_LIBRARY_PATH=/system/vendor/lib/soundfx $testdir/reverb_test \
		--input $testdir/sinesweepraw.raw \
		--output $testdir/sinesweep_$((chMask))_$((fs)).raw \
		--chMask $chMask --fs $fs --preset $preset_val
		--chMask $chMask $flags --fs $fs --preset $preset_val

		shell_ret=$?
		if [ $shell_ret -ne 0 ]; then
		@@ -64,24 +72,34 @@ do
		((++error_count))
		fi

		if [[ "$chMask" -gt 0 ]] && [[ $flags != "--fch 2" ]]
		then
		# single channel files should be identical to higher channel
		# computation (first channel).
		adb shell cmp $testdir/sinesweep_0_$((fs)).raw \
		$testdir/sinesweep_$((chMask))_$((fs)).raw
		elif [[ "$chMask" -gt 1 ]]
		then
		# two channel files should be identical to higher channel
		# computation (first 2 channels).
		if [[ "$chMask" -gt 1 ]]
		then
		adb shell cmp $testdir/sinesweep_1_$((fs)).raw \
		$testdir/sinesweep_$((chMask))_$((fs)).raw
		fi

		# cmp returns EXIT_FAILURE on mismatch.
		shell_ret=$?
		if [ $shell_ret -ne 0 ]; then
		echo "error: $shell_ret"
		((++error_count))
		fi
		((++testcase_count))
		done
		done
		done
		done
		done

		adb shell rm -r $testdir
		echo "$testcase_count tests performed"
		echo "$error_count errors"
		exit $error_count

media/libeffects/lvm/tests/reverb_test.cpp

+10 −7

Original line number	Diff line number	Diff line
		@@ -297,6 +297,9 @@ int main(int argc, const char *argv[]) {
		config.inputCfg.samplingRate = config.outputCfg.samplingRate = revConfigParams.sampleRate;
		config.inputCfg.channels = config.outputCfg.channels = revConfigParams.chMask;
		config.inputCfg.format = config.outputCfg.format = AUDIO_FORMAT_PCM_FLOAT;
		if (AUDIO_CHANNEL_OUT_MONO == revConfigParams.chMask) {
		config.outputCfg.channels = AUDIO_CHANNEL_OUT_STEREO;
		}
		if (int status =
		reverbCreateEffect(&effectHandle, &config, sessionId, ioId, revConfigParams.auxiliary);
		status != 0) {
		@@ -332,15 +335,15 @@ int main(int argc, const char *argv[]) {
		* Mono input will be converted to 2 channels internally in the process call
		* by copying the same data into the second channel.
		* Hence when channelCount is 1, output buffer should be allocated for
		* 2 channels. The memAllocChCount takes care of allocation of sufficient
		* 2 channels. The outChannelCount takes care of allocation of sufficient
		* memory for the output buffer.
		*/
		const int memAllocChCount = (channelCount == 1 ? 2 : channelCount);
		const int outChannelCount = (channelCount == 1 ? 2 : channelCount);

		std::vector<short> in(frameLength * maxChannelCount);
		std::vector<short> out(frameLength * maxChannelCount);
		std::vector<float> floatIn(frameLength * channelCount);
		std::vector<float> floatOut(frameLength * memAllocChCount);
		std::vector<float> floatOut(frameLength * outChannelCount);

		int frameCounter = 0;

		@@ -374,11 +377,11 @@ int main(int argc, const char *argv[]) {
		#else
		memcpy(floatOut.data(), floatIn.data(), frameLength * frameSize);
		#endif
		memcpy_to_i16_from_float(out.data(), floatOut.data(), frameLength * channelCount);
		memcpy_to_i16_from_float(out.data(), floatOut.data(), frameLength * outChannelCount);

		if (ioChannelCount != channelCount) {
		adjust_channels(out.data(), channelCount, out.data(), ioChannelCount, sizeof(short),
		frameLength * channelCount * sizeof(short));
		if (ioChannelCount != outChannelCount) {
		adjust_channels(out.data(), outChannelCount, out.data(), ioChannelCount, sizeof(short),
		frameLength * outChannelCount * sizeof(short));
		}
		(void)fwrite(out.data(), ioFrameSize, frameLength, outputFp.get());
		frameCounter += frameLength;

media/libeffects/lvm/wrapper/Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -53,6 +53,7 @@ cc_library_shared {

		cppflags: [
		"-fvisibility=hidden",
		"-DSUPPORT_MC",

		"-Wall",
		"-Werror",

media/libeffects/lvm/wrapper/Reverb/EffectReverb.cpp

+88 −2

Original line number	Diff line number	Diff line
		@@ -259,6 +259,9 @@ extern "C" int EffectCreate(const effect_uuid_t *uuid,

		int channels = audio_channel_count_from_out_mask(pContext->config.inputCfg.channels);

		#ifdef SUPPORT_MC
		channels = (pContext->auxiliary == true)? channels : FCC_2;
		#endif
		// Allocate memory for reverb process (*2 is for STEREO)
		pContext->bufferSizeIn = LVREV_MAX_FRAME_SIZE * sizeof(process_buffer_t) * channels;
		pContext->bufferSizeOut = LVREV_MAX_FRAME_SIZE * sizeof(process_buffer_t) * FCC_2;
		@@ -343,11 +346,18 @@ int process( effect_buffer_t *pIn,
		int channels = audio_channel_count_from_out_mask(pContext->config.inputCfg.channels);
		LVREV_ReturnStatus_en LvmStatus = LVREV_SUCCESS; /* Function call status */

		// Check that the input is either mono or stereo
		// Reverb only effects the stereo channels in multichannel source.
		#ifdef SUPPORT_MC
		if (channels < 1 \|\| channels > LVM_MAX_CHANNELS) {
		ALOGE("\tLVREV_ERROR : process invalid PCM channels %d", channels);
		return -EINVAL;
		}
		#else
		if (!(channels == 1 \|\| channels == FCC_2) ) {
		ALOGE("\tLVREV_ERROR : process invalid PCM format");
		return -EINVAL;
		}
		#endif

		size_t inSize = frameCount * sizeof(process_buffer_t) * channels;
		size_t outSize = frameCount * sizeof(process_buffer_t) * FCC_2;
		@@ -381,11 +391,27 @@ int process( effect_buffer_t *pIn,
		"pIn and InFrames must be same type");
		memcpy(pContext->InFrames, pIn, frameCount * channels * sizeof(*pIn));
		} else {
		// insert reverb input is always stereo
		// mono input is duplicated
		#ifdef SUPPORT_MC
		if (channels >= FCC_2) {
		for (int i = 0; i < frameCount; i++) {
		pContext->InFrames[FCC_2 * i] =
		(process_buffer_t)pIn[channels * i] * REVERB_SEND_LEVEL;
		pContext->InFrames[FCC_2 * i + 1] =
		(process_buffer_t)pIn[channels * i + 1] * REVERB_SEND_LEVEL;
		}
		} else {
		for (int i = 0; i < frameCount; i++) {
		pContext->InFrames[FCC_2 * i] = pContext->InFrames[FCC_2 * i + 1] =
		(process_buffer_t)pIn[i] * REVERB_SEND_LEVEL;
		}
		}
		#else
		for (int i = 0; i < frameCount; i++) {
		pContext->InFrames[2 * i] = (process_buffer_t)pIn[2 * i] * REVERB_SEND_LEVEL;
		pContext->InFrames[2 * i + 1] = (process_buffer_t)pIn[2 * i + 1] * REVERB_SEND_LEVEL;
		}
		#endif
		}

		if (pContext->preset && pContext->curPreset == REVERB_PRESET_NONE) {
		@@ -412,10 +438,26 @@ int process( effect_buffer_t *pIn,
		if (pContext->auxiliary) {
		// nothing to do here
		} else {
		#ifdef SUPPORT_MC
		if (channels >= FCC_2) {
		for (int i = 0; i < frameCount; i++) {
		// Mix with dry input
		pContext->OutFrames[FCC_2 * i] += pIn[channels * i];
		pContext->OutFrames[FCC_2 * i + 1] += pIn[channels * i + 1];
		}
		} else {
		for (int i = 0; i < frameCount; i++) {
		// Mix with dry input
		pContext->OutFrames[FCC_2 * i] += pIn[i];
		pContext->OutFrames[FCC_2 * i + 1] += pIn[i];
		}
		}
		#else
		for (int i = 0; i < frameCount * FCC_2; i++) { // always stereo here
		// Mix with dry input
		pContext->OutFrames[i] += pIn[i];
		}
		#endif
		// apply volume with ramp if needed
		if ((pContext->leftVolume != pContext->prevLeftVolume \|\|
		pContext->rightVolume != pContext->prevRightVolume) &&
		@@ -450,6 +492,35 @@ int process( effect_buffer_t *pIn,
		}
		}

		#ifdef SUPPORT_MC
		if (channels > 2) {
		//Accumulate if required
		if (pContext->config.outputCfg.accessMode == EFFECT_BUFFER_ACCESS_ACCUMULATE) {
		for (int i = 0; i < frameCount; i++) {
		pOut[channels * i] += pContext->OutFrames[FCC_2 * i];
		pOut[channels * i + 1] += pContext->OutFrames[FCC_2 * i + 1];
		}
		} else {
		for (int i = 0; i < frameCount; i++) {
		pOut[channels * i] = pContext->OutFrames[FCC_2 * i];
		pOut[channels * i + 1] = pContext->OutFrames[FCC_2 * i + 1];
		}
		}
		for (int i = 0; i < frameCount; i++) {
		for (int j = FCC_2; j < channels; j++) {
		pOut[channels * i + j] = pIn[channels * i + j];
		}
		}
		} else {
		if (pContext->config.outputCfg.accessMode == EFFECT_BUFFER_ACCESS_ACCUMULATE) {
		for (int i = 0; i < frameCount * FCC_2; i++) {
		pOut[i] += pContext->OutFrames[i];
		}
		} else {
		memcpy(pOut, pContext->OutFrames, frameCount * sizeof(pOut) FCC_2);
		}
		}
		#else

		// Accumulate if required
		if (pContext->config.outputCfg.accessMode == EFFECT_BUFFER_ACCESS_ACCUMULATE){
		@@ -462,6 +533,7 @@ int process( effect_buffer_t *pIn,
		memcpy(pOut, pContext->OutFrames, frameCount * sizeof(pOut) FCC_2);
		}

		#endif
		return 0;
		} /* end process */

		@@ -525,9 +597,18 @@ int Reverb_setConfig(ReverbContext pContext, effect_config_t pConfig){

		CHECK_ARG(pConfig->inputCfg.samplingRate == pConfig->outputCfg.samplingRate);
		CHECK_ARG(pConfig->inputCfg.format == pConfig->outputCfg.format);
		#ifdef SUPPORT_MC
		int inputChannels = audio_channel_count_from_out_mask(pConfig->inputCfg.channels);
		CHECK_ARG((pContext->auxiliary && pConfig->inputCfg.channels == AUDIO_CHANNEL_OUT_MONO) \|\|
		((!pContext->auxiliary) &&
		(inputChannels <= LVM_MAX_CHANNELS)));
		int outputChannels = audio_channel_count_from_out_mask(pConfig->outputCfg.channels);
		CHECK_ARG(outputChannels >= FCC_2 && outputChannels <= LVM_MAX_CHANNELS);
		#else
		CHECK_ARG((pContext->auxiliary && pConfig->inputCfg.channels == AUDIO_CHANNEL_OUT_MONO) \|\|
		((!pContext->auxiliary) && pConfig->inputCfg.channels == AUDIO_CHANNEL_OUT_STEREO));
		CHECK_ARG(pConfig->outputCfg.channels == AUDIO_CHANNEL_OUT_STEREO);
		#endif
		CHECK_ARG(pConfig->outputCfg.accessMode == EFFECT_BUFFER_ACCESS_WRITE
		\|\| pConfig->outputCfg.accessMode == EFFECT_BUFFER_ACCESS_ACCUMULATE);
		CHECK_ARG(pConfig->inputCfg.format == EFFECT_BUFFER_FORMAT);
		@@ -749,6 +830,11 @@ int Reverb_init(ReverbContext *pContext){
		params.SourceFormat = LVM_STEREO;
		}

		#ifdef SUPPORT_MC
		if ((pContext->auxiliary == false) && (params.SourceFormat == LVM_MONO)) {
		params.SourceFormat = LVM_STEREO;
		}
		#endif
		/* Reverb parameters */
		params.Level = 0;
		params.LPF = 23999;