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87 lines
2.7 KiB
87 lines
2.7 KiB
/****************************************************************************
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Copyright (c) 2016 Chukong Technologies Inc.
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Copyright (c) 2017-2023 Xiamen Yaji Software Co., Ltd.
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http://www.cocos.com
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "audio/common/decoder/AudioDecoder.h"
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#include <cstdint>
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#include <cstring>
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#include "audio/include/AudioMacros.h"
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#include "platform/FileUtils.h"
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#ifdef LOG_TAG
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#undef LOG_TAG
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#endif
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#define LOG_TAG "AudioDecoder"
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namespace cc {
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AudioDecoder::AudioDecoder()
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: _isOpened(false) {}
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AudioDecoder::~AudioDecoder() = default;
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bool AudioDecoder::isOpened() const {
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return _isOpened;
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}
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uint32_t AudioDecoder::readFixedFrames(uint32_t framesToRead, char *pcmBuf) {
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uint32_t framesRead = 0;
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uint32_t framesReadOnce = 0;
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do {
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framesReadOnce = read(framesToRead - framesRead, pcmBuf + framesRead * _pcmHeader.bytesPerFrame);
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framesRead += framesReadOnce;
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} while (framesReadOnce != 0 && framesRead < framesToRead);
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if (framesRead < framesToRead) {
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memset(pcmBuf + framesRead * _pcmHeader.bytesPerFrame, 0x00, (framesToRead - framesRead) * _pcmHeader.bytesPerFrame);
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}
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return framesRead;
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}
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uint32_t AudioDecoder::getTotalFrames() const {
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return _pcmHeader.totalFrames;
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}
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uint32_t AudioDecoder::getBytesPerFrame() const {
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return _pcmHeader.bytesPerFrame;
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}
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uint32_t AudioDecoder::getSampleRate() const {
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return _pcmHeader.sampleRate;
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}
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uint32_t AudioDecoder::getChannelCount() const {
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return _pcmHeader.channelCount;
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}
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AudioDataFormat AudioDecoder::getDataFormat() const {
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return _pcmHeader.dataFormat;
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}
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PCMHeader AudioDecoder::getPCMHeader() const {
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return _pcmHeader;
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}
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} // namespace cc
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