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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "StreamHalLocal"
//#define LOG_NDEBUG 0
#include <audio_utils/Metadata.h>
#include <hardware/audio.h>
#include <media/AudioParameter.h>
#include <utils/Log.h>
#include "DeviceHalLocal.h"
#include "ParameterUtils.h"
#include "StreamHalLocal.h"
namespace android {
namespace CPP_VERSION {
StreamHalLocal::StreamHalLocal(audio_stream_t *stream, sp<DeviceHalLocal> device)
: mDevice(device),
mStream(stream) {
// Instrument audio signal power logging.
// Note: This assumes channel mask, format, and sample rate do not change after creation.
if (mStream != nullptr /* && mStreamPowerLog.isUserDebugOrEngBuild() */) {
mStreamPowerLog.init(mStream->get_sample_rate(mStream),
mStream->get_channels(mStream),
mStream->get_format(mStream));
}
}
StreamHalLocal::~StreamHalLocal() {
mStream = 0;
mDevice.clear();
}
status_t StreamHalLocal::getBufferSize(size_t *size) {
*size = mStream->get_buffer_size(mStream);
return OK;
}
status_t StreamHalLocal::getAudioProperties(audio_config_base_t *configBase) {
configBase->sample_rate = mStream->get_sample_rate(mStream);
configBase->channel_mask = mStream->get_channels(mStream);
configBase->format = mStream->get_format(mStream);
return OK;
}
status_t StreamHalLocal::setParameters(const String8& kvPairs) {
return mStream->set_parameters(mStream, kvPairs.string());
}
status_t StreamHalLocal::getParameters(const String8& keys, String8 *values) {
char *halValues = mStream->get_parameters(mStream, keys.string());
if (halValues != NULL) {
values->setTo(halValues);
free(halValues);
} else {
values->clear();
}
return OK;
}
status_t StreamHalLocal::addEffect(sp<EffectHalInterface>) {
LOG_ALWAYS_FATAL("Local streams can not have effects");
return INVALID_OPERATION;
}
status_t StreamHalLocal::removeEffect(sp<EffectHalInterface>) {
LOG_ALWAYS_FATAL("Local streams can not have effects");
return INVALID_OPERATION;
}
status_t StreamHalLocal::standby() {
return mStream->standby(mStream);
}
status_t StreamHalLocal::dump(int fd) {
status_t status = mStream->dump(mStream, fd);
mStreamPowerLog.dump(fd);
return status;
}
status_t StreamHalLocal::setHalThreadPriority(int) {
// Don't need to do anything as local hal is executed by audioflinger directly
// on the same thread.
return OK;
}
StreamOutHalLocal::StreamOutHalLocal(audio_stream_out_t *stream, sp<DeviceHalLocal> device)
: StreamHalLocal(&stream->common, device), mStream(stream) {
}
StreamOutHalLocal::~StreamOutHalLocal() {
mCallback.clear();
mDevice->closeOutputStream(mStream);
mStream = 0;
}
status_t StreamOutHalLocal::getFrameSize(size_t *size) {
*size = audio_stream_out_frame_size(mStream);
return OK;
}
status_t StreamOutHalLocal::getLatency(uint32_t *latency) {
*latency = mStream->get_latency(mStream);
return OK;
}
status_t StreamOutHalLocal::setVolume(float left, float right) {
if (mStream->set_volume == NULL) return INVALID_OPERATION;
return mStream->set_volume(mStream, left, right);
}
status_t StreamOutHalLocal::selectPresentation(int presentationId, int programId) {
AudioParameter param;
param.addInt(String8(AudioParameter::keyPresentationId), presentationId);
param.addInt(String8(AudioParameter::keyProgramId), programId);
return setParameters(param.toString());
}
status_t StreamOutHalLocal::write(const void *buffer, size_t bytes, size_t *written) {
ssize_t writeResult = mStream->write(mStream, buffer, bytes);
if (writeResult > 0) {
*written = writeResult;
mStreamPowerLog.log(buffer, *written);
return OK;
} else {
*written = 0;
return writeResult;
}
}
status_t StreamOutHalLocal::getRenderPosition(uint32_t *dspFrames) {
return mStream->get_render_position(mStream, dspFrames);
}
status_t StreamOutHalLocal::getNextWriteTimestamp(int64_t *timestamp) {
if (mStream->get_next_write_timestamp == NULL) return INVALID_OPERATION;
return mStream->get_next_write_timestamp(mStream, timestamp);
}
status_t StreamOutHalLocal::setCallback(wp<StreamOutHalInterfaceCallback> callback) {
if (mStream->set_callback == NULL) return INVALID_OPERATION;
status_t result = mStream->set_callback(mStream, StreamOutHalLocal::asyncCallback, this);
if (result == OK) {
mCallback = callback;
}
return result;
}
// static
int StreamOutHalLocal::asyncCallback(stream_callback_event_t event, void*, void *cookie) {
// We act as if we gave a wp<StreamOutHalLocal> to HAL. This way we should handle
// correctly the case when the callback is invoked while StreamOutHalLocal's destructor is
// already running, because the destructor is invoked after the refcount has been atomically
// decremented.
wp<StreamOutHalLocal> weakSelf(static_cast<StreamOutHalLocal*>(cookie));
sp<StreamOutHalLocal> self = weakSelf.promote();
if (self == 0) return 0;
sp<StreamOutHalInterfaceCallback> callback = self->mCallback.promote();
if (callback == 0) return 0;
ALOGV("asyncCallback() event %d", event);
switch (event) {
case STREAM_CBK_EVENT_WRITE_READY:
callback->onWriteReady();
break;
case STREAM_CBK_EVENT_DRAIN_READY:
callback->onDrainReady();
break;
case STREAM_CBK_EVENT_ERROR:
callback->onError();
break;
default:
ALOGW("asyncCallback() unknown event %d", event);
break;
}
return 0;
}
status_t StreamOutHalLocal::supportsPauseAndResume(bool *supportsPause, bool *supportsResume) {
*supportsPause = mStream->pause != NULL;
*supportsResume = mStream->resume != NULL;
return OK;
}
status_t StreamOutHalLocal::pause() {
if (mStream->pause == NULL) return INVALID_OPERATION;
return mStream->pause(mStream);
}
status_t StreamOutHalLocal::resume() {
if (mStream->resume == NULL) return INVALID_OPERATION;
return mStream->resume(mStream);
}
status_t StreamOutHalLocal::supportsDrain(bool *supportsDrain) {
*supportsDrain = mStream->drain != NULL;
return OK;
}
status_t StreamOutHalLocal::drain(bool earlyNotify) {
if (mStream->drain == NULL) return INVALID_OPERATION;
return mStream->drain(mStream, earlyNotify ? AUDIO_DRAIN_EARLY_NOTIFY : AUDIO_DRAIN_ALL);
}
status_t StreamOutHalLocal::flush() {
if (mStream->flush == NULL) return INVALID_OPERATION;
return mStream->flush(mStream);
}
status_t StreamOutHalLocal::getPresentationPosition(uint64_t *frames, struct timespec *timestamp) {
if (mStream->get_presentation_position == NULL) return INVALID_OPERATION;
return mStream->get_presentation_position(mStream, frames, timestamp);
}
void StreamOutHalLocal::doUpdateSourceMetadata(const SourceMetadata& sourceMetadata) {
std::vector<playback_track_metadata> halTracks;
halTracks.reserve(sourceMetadata.tracks.size());
for (auto& metadata : sourceMetadata.tracks) {
playback_track_metadata halTrackMetadata;
playback_track_metadata_from_v7(&halTrackMetadata, &metadata);
halTracks.push_back(halTrackMetadata);
}
const source_metadata_t halMetadata = {
.track_count = halTracks.size(),
.tracks = halTracks.data(),
};
mStream->update_source_metadata(mStream, &halMetadata);
}
#if MAJOR_VERSION >= 7
void StreamOutHalLocal::doUpdateSourceMetadataV7(const SourceMetadata& sourceMetadata) {
const source_metadata_v7_t metadata {
.track_count = sourceMetadata.tracks.size(),
// const cast is fine as it is in a const structure
.tracks = const_cast<playback_track_metadata_v7*>(sourceMetadata.tracks.data()),
};
mStream->update_source_metadata_v7(mStream, &metadata);
}
#endif
status_t StreamOutHalLocal::updateSourceMetadata(const SourceMetadata& sourceMetadata) {
#if MAJOR_VERSION < 7
if (mStream->update_source_metadata == nullptr) {
return INVALID_OPERATION;
}
doUpdateSourceMetadata(sourceMetadata);
#else
if (mDevice->version() < AUDIO_DEVICE_API_VERSION_3_2) {
if (mStream->update_source_metadata == nullptr) {
return INVALID_OPERATION;
}
doUpdateSourceMetadata(sourceMetadata);
} else {
if (mStream->update_source_metadata_v7 == nullptr) {
return INVALID_OPERATION;
}
doUpdateSourceMetadataV7(sourceMetadata);
}
#endif
return OK;
}
status_t StreamOutHalLocal::start() {
if (mStream->start == NULL) return INVALID_OPERATION;
return mStream->start(mStream);
}
status_t StreamOutHalLocal::stop() {
if (mStream->stop == NULL) return INVALID_OPERATION;
return mStream->stop(mStream);
}
status_t StreamOutHalLocal::createMmapBuffer(int32_t minSizeFrames,
struct audio_mmap_buffer_info *info) {
if (mStream->create_mmap_buffer == NULL) return INVALID_OPERATION;
return mStream->create_mmap_buffer(mStream, minSizeFrames, info);
}
status_t StreamOutHalLocal::getMmapPosition(struct audio_mmap_position *position) {
if (mStream->get_mmap_position == NULL) return INVALID_OPERATION;
return mStream->get_mmap_position(mStream, position);
}
status_t StreamOutHalLocal::getDualMonoMode(audio_dual_mono_mode_t* mode) {
if (mStream->get_dual_mono_mode == nullptr) return INVALID_OPERATION;
return mStream->get_dual_mono_mode(mStream, mode);
}
status_t StreamOutHalLocal::setDualMonoMode(audio_dual_mono_mode_t mode) {
if (mStream->set_dual_mono_mode == nullptr) return INVALID_OPERATION;
return mStream->set_dual_mono_mode(mStream, mode);
}
status_t StreamOutHalLocal::getAudioDescriptionMixLevel(float* leveldB) {
if (mStream->get_audio_description_mix_level == nullptr) return INVALID_OPERATION;
return mStream->get_audio_description_mix_level(mStream, leveldB);
}
status_t StreamOutHalLocal::setAudioDescriptionMixLevel(float leveldB) {
if (mStream->set_audio_description_mix_level == nullptr) return INVALID_OPERATION;
return mStream->set_audio_description_mix_level(mStream, leveldB);
}
status_t StreamOutHalLocal::getPlaybackRateParameters(audio_playback_rate_t* playbackRate) {
if (mStream->get_playback_rate_parameters == nullptr) return INVALID_OPERATION;
return mStream->get_playback_rate_parameters(mStream, playbackRate);
}
status_t StreamOutHalLocal::setPlaybackRateParameters(const audio_playback_rate_t& playbackRate) {
if (mStream->set_playback_rate_parameters == nullptr) return INVALID_OPERATION;
return mStream->set_playback_rate_parameters(mStream, &playbackRate);
}
status_t StreamOutHalLocal::setEventCallback(
const sp<StreamOutHalInterfaceEventCallback>& callback) {
if (mStream->set_event_callback == nullptr) {
return INVALID_OPERATION;
}
stream_event_callback_t asyncCallback =
callback == nullptr ? nullptr : StreamOutHalLocal::asyncEventCallback;
status_t result = mStream->set_event_callback(mStream, asyncCallback, this);
if (result == OK) {
mEventCallback = callback;
}
return result;
}
// static
int StreamOutHalLocal::asyncEventCallback(
stream_event_callback_type_t event, void *param, void *cookie) {
// We act as if we gave a wp<StreamOutHalLocal> to HAL. This way we should handle
// correctly the case when the callback is invoked while StreamOutHalLocal's destructor is
// already running, because the destructor is invoked after the refcount has been atomically
// decremented.
wp<StreamOutHalLocal> weakSelf(static_cast<StreamOutHalLocal*>(cookie));
sp<StreamOutHalLocal> self = weakSelf.promote();
if (self == nullptr) return 0;
sp<StreamOutHalInterfaceEventCallback> callback = self->mEventCallback.promote();
if (callback.get() == nullptr) return 0;
switch (event) {
case STREAM_EVENT_CBK_TYPE_CODEC_FORMAT_CHANGED:
// void* param is the byte string buffer from byte_string_from_audio_metadata().
// As the byte string buffer may have embedded zeroes, we cannot use strlen()
callback->onCodecFormatChanged(std::basic_string<uint8_t>(
(const uint8_t*)param,
audio_utils::metadata::dataByteStringLen((const uint8_t*)param)));
break;
default:
ALOGW("%s unknown event %d", __func__, event);
break;
}
return 0;
}
StreamInHalLocal::StreamInHalLocal(audio_stream_in_t *stream, sp<DeviceHalLocal> device)
: StreamHalLocal(&stream->common, device), mStream(stream) {
}
StreamInHalLocal::~StreamInHalLocal() {
mDevice->closeInputStream(mStream);
mStream = 0;
}
status_t StreamInHalLocal::getFrameSize(size_t *size) {
*size = audio_stream_in_frame_size(mStream);
return OK;
}
status_t StreamInHalLocal::setGain(float gain) {
return mStream->set_gain(mStream, gain);
}
status_t StreamInHalLocal::read(void *buffer, size_t bytes, size_t *read) {
ssize_t readResult = mStream->read(mStream, buffer, bytes);
if (readResult > 0) {
*read = readResult;
mStreamPowerLog.log( buffer, *read);
return OK;
} else {
*read = 0;
return readResult;
}
}
status_t StreamInHalLocal::getInputFramesLost(uint32_t *framesLost) {
*framesLost = mStream->get_input_frames_lost(mStream);
return OK;
}
status_t StreamInHalLocal::getCapturePosition(int64_t *frames, int64_t *time) {
if (mStream->get_capture_position == NULL) return INVALID_OPERATION;
return mStream->get_capture_position(mStream, frames, time);
}
void StreamInHalLocal::doUpdateSinkMetadata(const SinkMetadata& sinkMetadata) {
std::vector<record_track_metadata> halTracks;
halTracks.reserve(sinkMetadata.tracks.size());
for (auto& metadata : sinkMetadata.tracks) {
record_track_metadata halTrackMetadata;
record_track_metadata_from_v7(&halTrackMetadata, &metadata);
halTracks.push_back(halTrackMetadata);
}
const sink_metadata_t halMetadata = {
.track_count = halTracks.size(),
.tracks = halTracks.data(),
};
mStream->update_sink_metadata(mStream, &halMetadata);
}
#if MAJOR_VERSION >= 7
void StreamInHalLocal::doUpdateSinkMetadataV7(const SinkMetadata& sinkMetadata) {
const sink_metadata_v7_t halMetadata {
.track_count = sinkMetadata.tracks.size(),
// const cast is fine as it is in a const structure
.tracks = const_cast<record_track_metadata_v7*>(sinkMetadata.tracks.data()),
};
mStream->update_sink_metadata_v7(mStream, &halMetadata);
}
#endif
status_t StreamInHalLocal::updateSinkMetadata(const SinkMetadata& sinkMetadata) {
#if MAJOR_VERSION < 7
if (mStream->update_sink_metadata == nullptr) {
return INVALID_OPERATION; // not supported by the HAL
}
doUpdateSinkMetadata(sinkMetadata);
#else
if (mDevice->version() < AUDIO_DEVICE_API_VERSION_3_2) {
if (mStream->update_sink_metadata == nullptr) {
return INVALID_OPERATION; // not supported by the HAL
}
doUpdateSinkMetadata(sinkMetadata);
} else {
if (mStream->update_sink_metadata_v7 == nullptr) {
return INVALID_OPERATION; // not supported by the HAL
}
doUpdateSinkMetadataV7(sinkMetadata);
}
#endif
return OK;
}
status_t StreamInHalLocal::start() {
if (mStream->start == NULL) return INVALID_OPERATION;
return mStream->start(mStream);
}
status_t StreamInHalLocal::stop() {
if (mStream->stop == NULL) return INVALID_OPERATION;
return mStream->stop(mStream);
}
status_t StreamInHalLocal::createMmapBuffer(int32_t minSizeFrames,
struct audio_mmap_buffer_info *info) {
if (mStream->create_mmap_buffer == NULL) return INVALID_OPERATION;
return mStream->create_mmap_buffer(mStream, minSizeFrames, info);
}
status_t StreamInHalLocal::getMmapPosition(struct audio_mmap_position *position) {
if (mStream->get_mmap_position == NULL) return INVALID_OPERATION;
return mStream->get_mmap_position(mStream, position);
}
#if MAJOR_VERSION == 2
status_t StreamInHalLocal::getActiveMicrophones(
std::vector<media::MicrophoneInfo> *microphones __unused) {
return INVALID_OPERATION;
}
#elif MAJOR_VERSION >= 4
status_t StreamInHalLocal::getActiveMicrophones(std::vector<media::MicrophoneInfo> *microphones) {
if (mStream->get_active_microphones == NULL) return INVALID_OPERATION;
size_t actual_mics = AUDIO_MICROPHONE_MAX_COUNT;
audio_microphone_characteristic_t mic_array[AUDIO_MICROPHONE_MAX_COUNT];
status_t status = mStream->get_active_microphones(mStream, &mic_array[0], &actual_mics);
for (size_t i = 0; i < actual_mics; i++) {
media::MicrophoneInfo microphoneInfo = media::MicrophoneInfo(mic_array[i]);
microphones->push_back(microphoneInfo);
}
return status;
}
#endif
#if MAJOR_VERSION < 5
status_t StreamInHalLocal::setPreferredMicrophoneDirection(
audio_microphone_direction_t direction __unused) {
return INVALID_OPERATION;
}
status_t StreamInHalLocal::setPreferredMicrophoneFieldDimension(float zoom __unused) {
return INVALID_OPERATION;
}
#else
status_t StreamInHalLocal::setPreferredMicrophoneDirection(audio_microphone_direction_t direction) {
if (mStream->set_microphone_direction == NULL) return INVALID_OPERATION;
return mStream->set_microphone_direction(mStream, direction);
}
status_t StreamInHalLocal::setPreferredMicrophoneFieldDimension(float zoom) {
if (mStream->set_microphone_field_dimension == NULL) return INVALID_OPERATION;
return mStream->set_microphone_field_dimension(mStream, zoom);
}
#endif
} // namespace CPP_VERSION
} // namespace android