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386 lines
13 KiB
386 lines
13 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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//#define LOG_NDEBUG 0
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#define LOG_TAG "C2SoftFlacDec"
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#include <log/log.h>
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#include <media/stagefright/foundation/MediaDefs.h>
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#include <C2PlatformSupport.h>
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#include <SimpleC2Interface.h>
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#include "C2SoftFlacDec.h"
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namespace android {
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namespace {
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constexpr char COMPONENT_NAME[] = "c2.android.flac.decoder";
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} // namespace
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class C2SoftFlacDec::IntfImpl : public SimpleInterface<void>::BaseParams {
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public:
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explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper> &helper)
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: SimpleInterface<void>::BaseParams(
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helper,
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COMPONENT_NAME,
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C2Component::KIND_DECODER,
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C2Component::DOMAIN_AUDIO,
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MEDIA_MIMETYPE_AUDIO_FLAC) {
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noPrivateBuffers();
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noInputReferences();
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noOutputReferences();
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noInputLatency();
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noTimeStretch();
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setDerivedInstance(this);
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addParameter(
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DefineParam(mAttrib, C2_PARAMKEY_COMPONENT_ATTRIBUTES)
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.withConstValue(new C2ComponentAttributesSetting(
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C2Component::ATTRIB_IS_TEMPORAL))
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.build());
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addParameter(
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DefineParam(mSampleRate, C2_PARAMKEY_SAMPLE_RATE)
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.withDefault(new C2StreamSampleRateInfo::output(0u, 44100))
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.withFields({C2F(mSampleRate, value).inRange(1, 655350)})
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.withSetter((Setter<decltype(*mSampleRate)>::StrictValueWithNoDeps))
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.build());
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addParameter(
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DefineParam(mChannelCount, C2_PARAMKEY_CHANNEL_COUNT)
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.withDefault(new C2StreamChannelCountInfo::output(0u, 1))
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.withFields({C2F(mChannelCount, value).inRange(1, 8)})
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.withSetter(Setter<decltype(*mChannelCount)>::StrictValueWithNoDeps)
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.build());
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addParameter(
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DefineParam(mBitrate, C2_PARAMKEY_BITRATE)
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.withDefault(new C2StreamBitrateInfo::input(0u, 768000))
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.withFields({C2F(mBitrate, value).inRange(1, 21000000)})
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.withSetter(Setter<decltype(*mBitrate)>::NonStrictValueWithNoDeps)
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.build());
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addParameter(
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DefineParam(mInputMaxBufSize, C2_PARAMKEY_INPUT_MAX_BUFFER_SIZE)
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.withConstValue(new C2StreamMaxBufferSizeInfo::input(0u, 32768))
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.build());
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addParameter(
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DefineParam(mPcmEncodingInfo, C2_PARAMKEY_PCM_ENCODING)
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.withDefault(new C2StreamPcmEncodingInfo::output(0u, C2Config::PCM_16))
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.withFields({C2F(mPcmEncodingInfo, value).oneOf({
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C2Config::PCM_16,
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// C2Config::PCM_8,
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C2Config::PCM_FLOAT})
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})
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.withSetter((Setter<decltype(*mPcmEncodingInfo)>::StrictValueWithNoDeps))
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.build());
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}
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int32_t getPcmEncodingInfo() const { return mPcmEncodingInfo->value; }
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private:
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std::shared_ptr<C2StreamSampleRateInfo::output> mSampleRate;
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std::shared_ptr<C2StreamChannelCountInfo::output> mChannelCount;
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std::shared_ptr<C2StreamBitrateInfo::input> mBitrate;
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std::shared_ptr<C2StreamMaxBufferSizeInfo::input> mInputMaxBufSize;
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std::shared_ptr<C2StreamPcmEncodingInfo::output> mPcmEncodingInfo;
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};
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C2SoftFlacDec::C2SoftFlacDec(
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const char *name,
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c2_node_id_t id,
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const std::shared_ptr<IntfImpl> &intfImpl)
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: SimpleC2Component(std::make_shared<SimpleInterface<IntfImpl>>(name, id, intfImpl)),
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mIntf(intfImpl),
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mFLACDecoder(nullptr) {
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}
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C2SoftFlacDec::~C2SoftFlacDec() {
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onRelease();
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}
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c2_status_t C2SoftFlacDec::onInit() {
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status_t err = initDecoder();
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return err == OK ? C2_OK : C2_NO_MEMORY;
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}
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c2_status_t C2SoftFlacDec::onStop() {
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if (mFLACDecoder) mFLACDecoder->flush();
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memset(&mStreamInfo, 0, sizeof(mStreamInfo));
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mHasStreamInfo = false;
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mSignalledError = false;
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mSignalledOutputEos = false;
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return C2_OK;
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}
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void C2SoftFlacDec::onReset() {
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mInputBufferCount = 0;
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(void)onStop();
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}
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void C2SoftFlacDec::onRelease() {
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mInputBufferCount = 0;
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if (mFLACDecoder) delete mFLACDecoder;
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mFLACDecoder = nullptr;
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}
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c2_status_t C2SoftFlacDec::onFlush_sm() {
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return onStop();
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}
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status_t C2SoftFlacDec::initDecoder() {
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if (mFLACDecoder) {
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delete mFLACDecoder;
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}
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mFLACDecoder = FLACDecoder::Create();
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if (!mFLACDecoder) {
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ALOGE("initDecoder: failed to create FLACDecoder");
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mSignalledError = true;
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return NO_MEMORY;
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}
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memset(&mStreamInfo, 0, sizeof(mStreamInfo));
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mHasStreamInfo = false;
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mSignalledError = false;
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mSignalledOutputEos = false;
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mInputBufferCount = 0;
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return OK;
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}
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static void fillEmptyWork(const std::unique_ptr<C2Work> &work) {
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work->worklets.front()->output.flags = work->input.flags;
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work->worklets.front()->output.buffers.clear();
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work->worklets.front()->output.ordinal = work->input.ordinal;
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work->workletsProcessed = 1u;
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}
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// (TODO) add multiframe support, in plugin and FLACDecoder.cpp
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void C2SoftFlacDec::process(
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const std::unique_ptr<C2Work> &work,
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const std::shared_ptr<C2BlockPool> &pool) {
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// Initialize output work
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work->result = C2_OK;
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work->workletsProcessed = 1u;
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work->worklets.front()->output.configUpdate.clear();
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work->worklets.front()->output.flags = work->input.flags;
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if (mSignalledError || mSignalledOutputEos) {
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work->result = C2_BAD_VALUE;
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return;
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}
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C2ReadView rView = mDummyReadView;
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size_t inOffset = 0u;
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size_t inSize = 0u;
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if (!work->input.buffers.empty()) {
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rView = work->input.buffers[0]->data().linearBlocks().front().map().get();
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inSize = rView.capacity();
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if (inSize && rView.error()) {
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ALOGE("read view map failed %d", rView.error());
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work->result = C2_CORRUPTED;
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return;
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}
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}
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bool eos = (work->input.flags & C2FrameData::FLAG_END_OF_STREAM) != 0;
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bool codecConfig = (work->input.flags & C2FrameData::FLAG_CODEC_CONFIG) != 0;
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ALOGV("in buffer attr. size %zu timestamp %d frameindex %d", inSize,
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(int)work->input.ordinal.timestamp.peeku(), (int)work->input.ordinal.frameIndex.peeku());
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if (inSize == 0) {
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fillEmptyWork(work);
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if (eos) {
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mSignalledOutputEos = true;
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ALOGV("signalled EOS");
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}
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return;
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}
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if (mInputBufferCount == 0 && !codecConfig) {
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ALOGV("First frame has to include configuration, forcing config");
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codecConfig = true;
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}
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uint8_t *input = const_cast<uint8_t *>(rView.data() + inOffset);
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if (codecConfig) {
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if (mHasStreamInfo) {
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ALOGV("Ignore Codec Config");
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fillEmptyWork(work);
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return;
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}
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status_t decoderErr = mFLACDecoder->parseMetadata(input, inSize);
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if (decoderErr != OK && decoderErr != WOULD_BLOCK) {
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ALOGE("process: FLACDecoder parseMetaData returns error %d", decoderErr);
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mSignalledError = true;
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work->result = C2_CORRUPTED;
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return;
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}
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mInputBufferCount++;
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fillEmptyWork(work);
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if (eos) {
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mSignalledOutputEos = true;
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ALOGV("signalled EOS");
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}
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if (decoderErr == WOULD_BLOCK) {
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ALOGV("process: parseMetadata is Blocking, Continue %d", decoderErr);
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} else {
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mStreamInfo = mFLACDecoder->getStreamInfo();
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if (mStreamInfo.sample_rate && mStreamInfo.max_blocksize &&
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mStreamInfo.channels) {
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mHasStreamInfo = true;
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C2StreamSampleRateInfo::output sampleRateInfo(
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0u, mStreamInfo.sample_rate);
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C2StreamChannelCountInfo::output channelCountInfo(
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0u, mStreamInfo.channels);
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std::vector<std::unique_ptr<C2SettingResult>> failures;
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c2_status_t err =
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mIntf->config({&sampleRateInfo, &channelCountInfo},
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C2_MAY_BLOCK, &failures);
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if (err == OK) {
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work->worklets.front()->output.configUpdate.push_back(
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C2Param::Copy(sampleRateInfo));
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work->worklets.front()->output.configUpdate.push_back(
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C2Param::Copy(channelCountInfo));
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} else {
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ALOGE("Config Update failed");
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mSignalledError = true;
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work->result = C2_CORRUPTED;
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return;
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}
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}
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ALOGD("process: decoder configuration : %d Hz, %d channels, %d samples,"
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" %d block size", mStreamInfo.sample_rate, mStreamInfo.channels,
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(int)mStreamInfo.total_samples, mStreamInfo.max_blocksize);
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}
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return;
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}
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const bool outputFloat = mIntf->getPcmEncodingInfo() == C2Config::PCM_FLOAT;
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const size_t sampleSize = outputFloat ? sizeof(float) : sizeof(short);
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size_t outSize = mHasStreamInfo ?
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mStreamInfo.max_blocksize * mStreamInfo.channels * sampleSize
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: kMaxBlockSize * FLACDecoder::kMaxChannels * sampleSize;
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std::shared_ptr<C2LinearBlock> block;
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C2MemoryUsage usage = { C2MemoryUsage::CPU_READ, C2MemoryUsage::CPU_WRITE };
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c2_status_t err = pool->fetchLinearBlock(outSize, usage, &block);
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if (err != C2_OK) {
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ALOGE("fetchLinearBlock for Output failed with status %d", err);
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work->result = C2_NO_MEMORY;
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return;
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}
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C2WriteView wView = block->map().get();
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if (wView.error()) {
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ALOGE("write view map failed %d", wView.error());
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work->result = C2_CORRUPTED;
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return;
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}
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status_t decoderErr = mFLACDecoder->decodeOneFrame(
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input, inSize, wView.data(), &outSize, outputFloat);
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if (decoderErr != OK) {
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ALOGE("process: FLACDecoder decodeOneFrame returns error %d", decoderErr);
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mSignalledError = true;
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work->result = C2_CORRUPTED;
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return;
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}
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mInputBufferCount++;
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ALOGV("out buffer attr. size %zu", outSize);
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work->worklets.front()->output.flags = work->input.flags;
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work->worklets.front()->output.buffers.clear();
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work->worklets.front()->output.buffers.push_back(createLinearBuffer(block, 0, outSize));
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work->worklets.front()->output.ordinal = work->input.ordinal;
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if (eos) {
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mSignalledOutputEos = true;
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ALOGV("signalled EOS");
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}
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}
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c2_status_t C2SoftFlacDec::drain(
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uint32_t drainMode,
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const std::shared_ptr<C2BlockPool> &pool) {
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(void) pool;
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if (drainMode == NO_DRAIN) {
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ALOGW("drain with NO_DRAIN: no-op");
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return C2_OK;
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}
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if (drainMode == DRAIN_CHAIN) {
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ALOGW("DRAIN_CHAIN not supported");
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return C2_OMITTED;
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}
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if (mFLACDecoder) mFLACDecoder->flush();
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return C2_OK;
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}
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class C2SoftFlacDecFactory : public C2ComponentFactory {
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public:
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C2SoftFlacDecFactory() : mHelper(std::static_pointer_cast<C2ReflectorHelper>(
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GetCodec2PlatformComponentStore()->getParamReflector())) {
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}
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virtual c2_status_t createComponent(
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c2_node_id_t id,
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std::shared_ptr<C2Component>* const component,
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std::function<void(C2Component*)> deleter) override {
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*component = std::shared_ptr<C2Component>(
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new C2SoftFlacDec(COMPONENT_NAME,
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id,
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std::make_shared<C2SoftFlacDec::IntfImpl>(mHelper)),
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deleter);
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return C2_OK;
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}
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virtual c2_status_t createInterface(
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c2_node_id_t id,
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std::shared_ptr<C2ComponentInterface>* const interface,
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std::function<void(C2ComponentInterface*)> deleter) override {
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*interface = std::shared_ptr<C2ComponentInterface>(
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new SimpleInterface<C2SoftFlacDec::IntfImpl>(
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COMPONENT_NAME, id, std::make_shared<C2SoftFlacDec::IntfImpl>(mHelper)),
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deleter);
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return C2_OK;
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}
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virtual ~C2SoftFlacDecFactory() override = default;
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private:
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std::shared_ptr<C2ReflectorHelper> mHelper;
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};
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} // namespace android
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__attribute__((cfi_canonical_jump_table))
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extern "C" ::C2ComponentFactory* CreateCodec2Factory() {
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ALOGV("in %s", __func__);
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return new ::android::C2SoftFlacDecFactory();
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}
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__attribute__((cfi_canonical_jump_table))
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extern "C" void DestroyCodec2Factory(::C2ComponentFactory* factory) {
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ALOGV("in %s", __func__);
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delete factory;
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}
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