237 lines
9.1 KiB
C++
237 lines
9.1 KiB
C++
/*
|
|
* Copyright (C) 2018 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.
|
|
*/
|
|
|
|
#ifndef ANDROID_HARDWARE_AUDIO_STREAM_H
|
|
#define ANDROID_HARDWARE_AUDIO_STREAM_H
|
|
|
|
// clang-format off
|
|
#include PATH(android/hardware/audio/COMMON_TYPES_FILE_VERSION/IStream.h)
|
|
// clang-format on
|
|
|
|
#include "ParametersUtil.h"
|
|
|
|
#include <vector>
|
|
|
|
#include <hardware/audio.h>
|
|
#include <hidl/Status.h>
|
|
|
|
#include <hidl/MQDescriptor.h>
|
|
|
|
#include <VersionUtils.h>
|
|
|
|
namespace android {
|
|
namespace hardware {
|
|
namespace audio {
|
|
namespace CPP_VERSION {
|
|
namespace implementation {
|
|
|
|
using ::android::sp;
|
|
using ::android::hardware::hidl_string;
|
|
using ::android::hardware::hidl_vec;
|
|
using ::android::hardware::Return;
|
|
using ::android::hardware::Void;
|
|
using ::android::hardware::audio::CORE_TYPES_CPP_VERSION::implementation::ParametersUtil;
|
|
#if MAJOR_VERSION <= 6
|
|
using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::implementation::
|
|
AudioChannelBitfield;
|
|
#endif
|
|
using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
|
|
using namespace ::android::hardware::audio::CORE_TYPES_CPP_VERSION;
|
|
using namespace ::android::hardware::audio::CPP_VERSION;
|
|
|
|
struct Stream : public IStream, public ParametersUtil {
|
|
Stream(bool isInput, audio_stream_t* stream);
|
|
|
|
/** 1GiB is the maximum buffer size the HAL client is allowed to request.
|
|
* This value has been chosen to be under SIZE_MAX and still big enough
|
|
* for all audio use case.
|
|
* Keep private for 2.0, put in .hal in 2.1
|
|
*/
|
|
static constexpr uint32_t MAX_BUFFER_SIZE = 2 << 30 /* == 1GiB */;
|
|
|
|
// Methods from ::android::hardware::audio::CPP_VERSION::IStream follow.
|
|
Return<uint64_t> getFrameSize() override;
|
|
Return<uint64_t> getFrameCount() override;
|
|
Return<uint64_t> getBufferSize() override;
|
|
#if MAJOR_VERSION <= 6
|
|
Return<uint32_t> getSampleRate() override;
|
|
#if MAJOR_VERSION == 2
|
|
Return<void> getSupportedSampleRates(getSupportedSampleRates_cb _hidl_cb) override;
|
|
Return<void> getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) override;
|
|
#endif
|
|
Return<void> getSupportedSampleRates(AudioFormat format, getSupportedSampleRates_cb _hidl_cb);
|
|
Return<void> getSupportedChannelMasks(AudioFormat format, getSupportedChannelMasks_cb _hidl_cb);
|
|
Return<Result> setSampleRate(uint32_t sampleRateHz) override;
|
|
Return<AudioChannelBitfield> getChannelMask() override;
|
|
Return<Result> setChannelMask(AudioChannelBitfield mask) override;
|
|
Return<AudioFormat> getFormat() override;
|
|
Return<void> getSupportedFormats(getSupportedFormats_cb _hidl_cb) override;
|
|
Return<Result> setFormat(AudioFormat format) override;
|
|
#else
|
|
Return<void> getSupportedProfiles(getSupportedProfiles_cb _hidl_cb) override;
|
|
Return<Result> setAudioProperties(const AudioConfigBaseOptional& config) override;
|
|
#endif // MAJOR_VERSION <= 6
|
|
Return<void> getAudioProperties(getAudioProperties_cb _hidl_cb) override;
|
|
Return<Result> addEffect(uint64_t effectId) override;
|
|
Return<Result> removeEffect(uint64_t effectId) override;
|
|
Return<Result> standby() override;
|
|
#if MAJOR_VERSION == 2
|
|
Return<AudioDevice> getDevice() override;
|
|
Return<Result> setDevice(const DeviceAddress& address) override;
|
|
Return<void> getParameters(const hidl_vec<hidl_string>& keys,
|
|
getParameters_cb _hidl_cb) override;
|
|
Return<Result> setParameters(const hidl_vec<ParameterValue>& parameters) override;
|
|
Return<Result> setConnectedState(const DeviceAddress& address, bool connected) override;
|
|
#elif MAJOR_VERSION >= 4
|
|
Return<void> getDevices(getDevices_cb _hidl_cb) override;
|
|
Return<Result> setDevices(const hidl_vec<DeviceAddress>& devices) override;
|
|
Return<void> getParameters(const hidl_vec<ParameterValue>& context,
|
|
const hidl_vec<hidl_string>& keys,
|
|
getParameters_cb _hidl_cb) override;
|
|
Return<Result> setParameters(const hidl_vec<ParameterValue>& context,
|
|
const hidl_vec<ParameterValue>& parameters) override;
|
|
#endif
|
|
Return<Result> setHwAvSync(uint32_t hwAvSync) override;
|
|
Return<Result> start() override;
|
|
Return<Result> stop() override;
|
|
Return<void> createMmapBuffer(int32_t minSizeFrames, createMmapBuffer_cb _hidl_cb) override;
|
|
Return<void> getMmapPosition(getMmapPosition_cb _hidl_cb) override;
|
|
Return<Result> close() override;
|
|
|
|
Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override;
|
|
#if MAJOR_VERSION == 2
|
|
Return<void> debugDump(const hidl_handle& fd) override;
|
|
#endif
|
|
|
|
// Utility methods for extending interfaces.
|
|
static Result analyzeStatus(const char* funcName, int status);
|
|
static Result analyzeStatus(const char* funcName, int status,
|
|
const std::vector<int>& ignoreErrors);
|
|
|
|
private:
|
|
const bool mIsInput;
|
|
audio_stream_t* mStream;
|
|
|
|
virtual ~Stream();
|
|
|
|
// Methods from ParametersUtil.
|
|
char* halGetParameters(const char* keys) override;
|
|
int halSetParameters(const char* keysAndValues) override;
|
|
};
|
|
|
|
template <typename T>
|
|
struct StreamMmap : public RefBase {
|
|
explicit StreamMmap(T* stream) : mStream(stream) {}
|
|
|
|
Return<Result> start();
|
|
Return<Result> stop();
|
|
Return<void> createMmapBuffer(int32_t minSizeFrames, size_t frameSize,
|
|
IStream::createMmapBuffer_cb _hidl_cb);
|
|
Return<void> getMmapPosition(IStream::getMmapPosition_cb _hidl_cb);
|
|
|
|
private:
|
|
StreamMmap() {}
|
|
|
|
T* mStream;
|
|
};
|
|
|
|
template <typename T>
|
|
Return<Result> StreamMmap<T>::start() {
|
|
if (mStream->start == NULL) return Result::NOT_SUPPORTED;
|
|
int result = mStream->start(mStream);
|
|
return Stream::analyzeStatus("start", result);
|
|
}
|
|
|
|
template <typename T>
|
|
Return<Result> StreamMmap<T>::stop() {
|
|
if (mStream->stop == NULL) return Result::NOT_SUPPORTED;
|
|
int result = mStream->stop(mStream);
|
|
return Stream::analyzeStatus("stop", result);
|
|
}
|
|
|
|
template <typename T>
|
|
Return<void> StreamMmap<T>::createMmapBuffer(int32_t minSizeFrames, size_t frameSize,
|
|
IStream::createMmapBuffer_cb _hidl_cb) {
|
|
Result retval(Result::NOT_SUPPORTED);
|
|
MmapBufferInfo info;
|
|
native_handle_t* hidlHandle = nullptr;
|
|
|
|
if (mStream->create_mmap_buffer != NULL) {
|
|
if (minSizeFrames <= 0) {
|
|
retval = Result::INVALID_ARGUMENTS;
|
|
goto exit;
|
|
}
|
|
struct audio_mmap_buffer_info halInfo;
|
|
retval = Stream::analyzeStatus(
|
|
"create_mmap_buffer", mStream->create_mmap_buffer(mStream, minSizeFrames, &halInfo));
|
|
if (retval == Result::OK) {
|
|
hidlHandle = native_handle_create(1, 0);
|
|
hidlHandle->data[0] = halInfo.shared_memory_fd;
|
|
|
|
// Negative buffer size frame is a legacy hack to indicate that the buffer
|
|
// is shareable to applications before the relevant flag was introduced
|
|
bool applicationShareable =
|
|
halInfo.flags & AUDIO_MMAP_APPLICATION_SHAREABLE || halInfo.buffer_size_frames < 0;
|
|
halInfo.buffer_size_frames = abs(halInfo.buffer_size_frames);
|
|
info.sharedMemory = // hidl_memory size must always be positive
|
|
hidl_memory("audio_buffer", hidlHandle, frameSize * halInfo.buffer_size_frames);
|
|
#if MAJOR_VERSION == 2
|
|
if (applicationShareable) {
|
|
halInfo.buffer_size_frames *= -1;
|
|
}
|
|
#else
|
|
info.flags =
|
|
halInfo.flags | (applicationShareable ? MmapBufferFlag::APPLICATION_SHAREABLE
|
|
: MmapBufferFlag::NONE);
|
|
#endif
|
|
info.bufferSizeFrames = halInfo.buffer_size_frames;
|
|
info.burstSizeFrames = halInfo.burst_size_frames;
|
|
}
|
|
}
|
|
exit:
|
|
_hidl_cb(retval, info);
|
|
if (hidlHandle != nullptr) {
|
|
native_handle_delete(hidlHandle);
|
|
}
|
|
return Void();
|
|
}
|
|
|
|
template <typename T>
|
|
Return<void> StreamMmap<T>::getMmapPosition(IStream::getMmapPosition_cb _hidl_cb) {
|
|
Result retval(Result::NOT_SUPPORTED);
|
|
MmapPosition position;
|
|
|
|
if (mStream->get_mmap_position != NULL) {
|
|
struct audio_mmap_position halPosition;
|
|
retval = Stream::analyzeStatus("get_mmap_position",
|
|
mStream->get_mmap_position(mStream, &halPosition));
|
|
if (retval == Result::OK) {
|
|
position.timeNanoseconds = halPosition.time_nanoseconds;
|
|
position.positionFrames = halPosition.position_frames;
|
|
}
|
|
}
|
|
_hidl_cb(retval, position);
|
|
return Void();
|
|
}
|
|
|
|
} // namespace implementation
|
|
} // namespace CPP_VERSION
|
|
} // namespace audio
|
|
} // namespace hardware
|
|
} // namespace android
|
|
|
|
#endif // ANDROID_HARDWARE_AUDIO_STREAM_H
|