66 lines
2.1 KiB
C++
66 lines
2.1 KiB
C++
// Copyright (C) 2021 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "BusOutputStream.h"
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#include <android-base/logging.h>
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#include <system/audio.h>
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namespace audio_proxy::service {
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BusOutputStream::BusOutputStream(const std::string& address,
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const AidlAudioConfig& config, int32_t flags)
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: mAddress(address), mConfig(config), mFlags(flags) {}
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BusOutputStream::~BusOutputStream() = default;
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const std::string& BusOutputStream::getAddress() const { return mAddress; }
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const AidlAudioConfig& BusOutputStream::getConfig() const { return mConfig; }
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int32_t BusOutputStream::getFlags() const { return mFlags; }
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int BusOutputStream::getFrameSize() const {
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audio_format_t format = static_cast<audio_format_t>(mConfig.format);
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if (!audio_has_proportional_frames(format)) {
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return sizeof(int8_t);
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}
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size_t channelSampleSize = audio_bytes_per_sample(format);
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return audio_channel_count_from_out_mask(
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static_cast<audio_channel_mask_t>(mConfig.channelMask)) *
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channelSampleSize;
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}
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bool BusOutputStream::prepareForWriting(uint32_t frameSize,
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uint32_t frameCount) {
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DCHECK_EQ(mWritingFrameSize, 0);
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DCHECK_EQ(mWritingFrameCount, 0);
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if (!prepareForWritingImpl(frameSize, frameCount)) {
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return false;
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}
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mWritingFrameSize = frameSize;
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mWritingFrameCount = frameCount;
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return true;
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}
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uint32_t BusOutputStream::getWritingFrameSize() const {
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return mWritingFrameSize;
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}
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uint32_t BusOutputStream::getWritingFrameCount() const {
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return mWritingFrameCount;
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}
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} // namespace audio_proxy::service
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