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77 lines
2.1 KiB
77 lines
2.1 KiB
4 months ago
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/*
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* Copyright (C) 2018 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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*/
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#ifndef ANDROID_C2_SOFT_MP3_DEC_H_
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#define ANDROID_C2_SOFT_MP3_DEC_H_
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#include <SimpleC2Component.h>
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struct tPVMP3DecoderExternal;
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bool parseMp3Header(uint32_t header, size_t *frame_size,
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uint32_t *out_sampling_rate = nullptr,
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uint32_t *out_channels = nullptr,
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uint32_t *out_bitrate = nullptr,
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uint32_t *out_num_samples = nullptr);
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namespace android {
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struct C2SoftMP3 : public SimpleC2Component {
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class IntfImpl;
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C2SoftMP3(const char *name, c2_node_id_t id,
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const std::shared_ptr<IntfImpl> &intfImpl);
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virtual ~C2SoftMP3();
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// From SimpleC2Component
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c2_status_t onInit() override;
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c2_status_t onStop() override;
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void onReset() override;
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void onRelease() override;
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c2_status_t onFlush_sm() override;
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void process(
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const std::unique_ptr<C2Work> &work,
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const std::shared_ptr<C2BlockPool> &pool) override;
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c2_status_t drain(
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uint32_t drainMode,
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const std::shared_ptr<C2BlockPool> &pool) override;
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private:
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enum {
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kPVMP3DecoderDelay = 529 // samples
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};
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std::shared_ptr<IntfImpl> mIntf;
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tPVMP3DecoderExternal *mConfig;
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void *mDecoderBuf;
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bool mIsFirst;
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bool mSignalledError;
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bool mSignalledOutputEos;
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bool mGaplessBytes;
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int64_t mAnchorTimeStamp;
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uint64_t mProcessedSamples;
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status_t initDecoder();
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C2_DO_NOT_COPY(C2SoftMP3);
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};
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} // namespace android
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#endif // ANDROID_C2_SOFT_MP3_DEC_H_
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