| /* |
| * 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. |
| */ |
| |
| //#define LOG_NDEBUG 0 |
| #define LOG_TAG "C2SoftGsmDec" |
| #include <log/log.h> |
| |
| #include <media/stagefright/foundation/MediaDefs.h> |
| |
| #include <C2PlatformSupport.h> |
| #include <SimpleC2Interface.h> |
| |
| #include "C2SoftGsmDec.h" |
| |
| namespace android { |
| |
| constexpr char COMPONENT_NAME[] = "c2.android.gsm.decoder"; |
| |
| class C2SoftGsmDec::IntfImpl : public C2InterfaceHelper { |
| public: |
| explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper>& helper) |
| : C2InterfaceHelper(helper) { |
| setDerivedInstance(this); |
| |
| addParameter( |
| DefineParam(mInputFormat, C2_PARAMKEY_INPUT_STREAM_BUFFER_TYPE) |
| .withConstValue(new C2StreamBufferTypeSetting::input(0u, C2BufferData::LINEAR)) |
| .build()); |
| |
| addParameter( |
| DefineParam(mOutputFormat, C2_PARAMKEY_OUTPUT_STREAM_BUFFER_TYPE) |
| .withConstValue(new C2StreamBufferTypeSetting::output(0u, C2BufferData::LINEAR)) |
| .build()); |
| |
| addParameter( |
| DefineParam(mInputMediaType, C2_PARAMKEY_INPUT_MEDIA_TYPE) |
| .withConstValue(AllocSharedString<C2PortMediaTypeSetting::input>( |
| MEDIA_MIMETYPE_AUDIO_MSGSM)) |
| .build()); |
| |
| addParameter( |
| DefineParam(mOutputMediaType, C2_PARAMKEY_OUTPUT_MEDIA_TYPE) |
| .withConstValue(AllocSharedString<C2PortMediaTypeSetting::output>( |
| MEDIA_MIMETYPE_AUDIO_RAW)) |
| .build()); |
| |
| addParameter( |
| DefineParam(mSampleRate, C2_PARAMKEY_SAMPLE_RATE) |
| .withDefault(new C2StreamSampleRateInfo::output(0u, 8000)) |
| .withFields({C2F(mSampleRate, value).equalTo(8000)}) |
| .withSetter((Setter<decltype(*mSampleRate)>::StrictValueWithNoDeps)) |
| .build()); |
| |
| addParameter( |
| DefineParam(mChannelCount, C2_PARAMKEY_CHANNEL_COUNT) |
| .withDefault(new C2StreamChannelCountInfo::output(0u, 1)) |
| .withFields({C2F(mChannelCount, value).equalTo(1)}) |
| .withSetter(Setter<decltype(*mChannelCount)>::StrictValueWithNoDeps) |
| .build()); |
| |
| addParameter( |
| DefineParam(mBitrate, C2_PARAMKEY_BITRATE) |
| .withDefault(new C2StreamBitrateInfo::input(0u, 13200)) |
| .withFields({C2F(mBitrate, value).equalTo(13200)}) |
| .withSetter(Setter<decltype(*mBitrate)>::NonStrictValueWithNoDeps) |
| .build()); |
| |
| addParameter( |
| DefineParam(mInputMaxBufSize, C2_PARAMKEY_INPUT_MAX_BUFFER_SIZE) |
| .withConstValue(new C2StreamMaxBufferSizeInfo::input(0u, 1024 / MSGSM_IN_FRM_SZ * MSGSM_IN_FRM_SZ)) |
| .build()); |
| } |
| |
| private: |
| std::shared_ptr<C2StreamBufferTypeSetting::input> mInputFormat; |
| std::shared_ptr<C2StreamBufferTypeSetting::output> mOutputFormat; |
| std::shared_ptr<C2PortMediaTypeSetting::input> mInputMediaType; |
| std::shared_ptr<C2PortMediaTypeSetting::output> mOutputMediaType; |
| std::shared_ptr<C2StreamSampleRateInfo::output> mSampleRate; |
| std::shared_ptr<C2StreamChannelCountInfo::output> mChannelCount; |
| std::shared_ptr<C2StreamBitrateInfo::input> mBitrate; |
| std::shared_ptr<C2StreamMaxBufferSizeInfo::input> mInputMaxBufSize; |
| }; |
| |
| C2SoftGsmDec::C2SoftGsmDec(const char *name, c2_node_id_t id, |
| const std::shared_ptr<IntfImpl>& intfImpl) |
| : SimpleC2Component( |
| std::make_shared<SimpleInterface<IntfImpl>>(name, id, intfImpl)), |
| mIntf(intfImpl), |
| mGsm(nullptr) { |
| } |
| |
| C2SoftGsmDec::~C2SoftGsmDec() { |
| onRelease(); |
| } |
| |
| c2_status_t C2SoftGsmDec::onInit() { |
| if (!mGsm) mGsm = gsm_create(); |
| if (!mGsm) return C2_NO_MEMORY; |
| int msopt = 1; |
| (void)gsm_option(mGsm, GSM_OPT_WAV49, &msopt); |
| mSignalledError = false; |
| mSignalledEos = false; |
| return C2_OK; |
| } |
| |
| c2_status_t C2SoftGsmDec::onStop() { |
| if (mGsm) { |
| gsm_destroy(mGsm); |
| mGsm = nullptr; |
| } |
| if (!mGsm) mGsm = gsm_create(); |
| if (!mGsm) return C2_NO_MEMORY; |
| int msopt = 1; |
| (void)gsm_option(mGsm, GSM_OPT_WAV49, &msopt); |
| mSignalledError = false; |
| mSignalledEos = false; |
| return C2_OK; |
| } |
| |
| void C2SoftGsmDec::onReset() { |
| (void)onStop(); |
| } |
| |
| void C2SoftGsmDec::onRelease() { |
| if (mGsm) { |
| gsm_destroy(mGsm); |
| mGsm = nullptr; |
| } |
| } |
| |
| c2_status_t C2SoftGsmDec::onFlush_sm() { |
| return onStop(); |
| } |
| |
| static size_t decodeGSM(gsm handle, int16_t *out, size_t outCapacity, |
| uint8_t *in, size_t inSize) { |
| size_t outSize = 0; |
| |
| if (inSize % MSGSM_IN_FRM_SZ == 0 |
| && (inSize / MSGSM_IN_FRM_SZ * MSGSM_OUT_FRM_SZ * sizeof(*out) |
| <= outCapacity)) { |
| while (inSize > 0) { |
| gsm_decode(handle, in, out); |
| in += FRGSM_IN_FRM_SZ; |
| inSize -= FRGSM_IN_FRM_SZ; |
| out += FRGSM_OUT_FRM_SZ; |
| outSize += FRGSM_OUT_FRM_SZ; |
| |
| gsm_decode(handle, in, out); |
| in += FRGSM_IN_FRM_SZ_MINUS_1; |
| inSize -= FRGSM_IN_FRM_SZ_MINUS_1; |
| out += FRGSM_OUT_FRM_SZ; |
| outSize += FRGSM_OUT_FRM_SZ; |
| } |
| } |
| |
| return outSize * sizeof(int16_t); |
| } |
| |
| void C2SoftGsmDec::process( |
| const std::unique_ptr<C2Work> &work, |
| const std::shared_ptr<C2BlockPool> &pool) { |
| // Initialize output work |
| work->result = C2_OK; |
| work->workletsProcessed = 1u; |
| work->worklets.front()->output.flags = work->input.flags; |
| |
| if (mSignalledError || mSignalledEos) { |
| work->result = C2_BAD_VALUE; |
| return; |
| } |
| |
| bool eos = ((work->input.flags & C2FrameData::FLAG_END_OF_STREAM) != 0); |
| C2ReadView rView = mDummyReadView; |
| size_t inOffset = 0u; |
| size_t inSize = 0u; |
| if (!work->input.buffers.empty()) { |
| rView = work->input.buffers[0]->data().linearBlocks().front().map().get(); |
| inSize = rView.capacity(); |
| if (inSize && rView.error()) { |
| ALOGE("read view map failed %d", rView.error()); |
| work->result = rView.error(); |
| return; |
| } |
| } |
| |
| if (inSize == 0) { |
| work->worklets.front()->output.flags = work->input.flags; |
| work->worklets.front()->output.buffers.clear(); |
| work->worklets.front()->output.ordinal = work->input.ordinal; |
| if (eos) { |
| mSignalledEos = true; |
| ALOGV("signalled EOS"); |
| } |
| return; |
| } |
| ALOGV("in buffer attr. size %zu timestamp %d frameindex %d", inSize, |
| (int)work->input.ordinal.timestamp.peeku(), (int)work->input.ordinal.frameIndex.peeku()); |
| |
| size_t outCapacity = (inSize / MSGSM_IN_FRM_SZ ) * MSGSM_OUT_FRM_SZ * sizeof(int16_t); |
| std::shared_ptr<C2LinearBlock> block; |
| C2MemoryUsage usage = { C2MemoryUsage::CPU_READ, C2MemoryUsage::CPU_WRITE }; |
| c2_status_t err = pool->fetchLinearBlock(outCapacity, usage, &block); |
| if (err != C2_OK) { |
| ALOGE("fetchLinearBlock for Output failed with status %d", err); |
| work->result = C2_NO_MEMORY; |
| return; |
| } |
| C2WriteView wView = block->map().get(); |
| if (wView.error()) { |
| ALOGE("write view map failed %d", wView.error()); |
| work->result = wView.error(); |
| return; |
| } |
| |
| int16_t *output = reinterpret_cast<int16_t *>(wView.data()); |
| uint8_t *input = const_cast<uint8_t *>(rView.data() + inOffset); |
| size_t outSize = decodeGSM(mGsm, output, outCapacity, input, inSize); |
| if (!outSize) { |
| ALOGE("encountered improper insize or outsize"); |
| mSignalledError = true; |
| work->result = C2_CORRUPTED; |
| return; |
| } |
| ALOGV("out buffer attr. size %zu", outSize); |
| work->worklets.front()->output.flags = work->input.flags; |
| work->worklets.front()->output.buffers.clear(); |
| work->worklets.front()->output.buffers.push_back(createLinearBuffer(block, 0, outSize)); |
| work->worklets.front()->output.ordinal = work->input.ordinal; |
| if (eos) { |
| mSignalledEos = true; |
| ALOGV("signalled EOS"); |
| } |
| } |
| |
| c2_status_t C2SoftGsmDec::drain( |
| uint32_t drainMode, |
| const std::shared_ptr<C2BlockPool> &pool) { |
| (void) pool; |
| if (drainMode == NO_DRAIN) { |
| ALOGW("drain with NO_DRAIN: no-op"); |
| return C2_OK; |
| } |
| if (drainMode == DRAIN_CHAIN) { |
| ALOGW("DRAIN_CHAIN not supported"); |
| return C2_OMITTED; |
| } |
| |
| return C2_OK; |
| } |
| |
| class C2SoftGSMDecFactory : public C2ComponentFactory { |
| public: |
| C2SoftGSMDecFactory() : mHelper(std::static_pointer_cast<C2ReflectorHelper>( |
| GetCodec2PlatformComponentStore()->getParamReflector())) { |
| } |
| |
| virtual c2_status_t createComponent( |
| c2_node_id_t id, |
| std::shared_ptr<C2Component>* const component, |
| std::function<void(C2Component*)> deleter) override { |
| *component = std::shared_ptr<C2Component>( |
| new C2SoftGsmDec(COMPONENT_NAME, |
| id, |
| std::make_shared<C2SoftGsmDec::IntfImpl>(mHelper)), |
| deleter); |
| return C2_OK; |
| } |
| |
| virtual c2_status_t createInterface( |
| c2_node_id_t id, |
| std::shared_ptr<C2ComponentInterface>* const interface, |
| std::function<void(C2ComponentInterface*)> deleter) override { |
| *interface = std::shared_ptr<C2ComponentInterface>( |
| new SimpleInterface<C2SoftGsmDec::IntfImpl>( |
| COMPONENT_NAME, id, std::make_shared<C2SoftGsmDec::IntfImpl>(mHelper)), |
| deleter); |
| return C2_OK; |
| } |
| |
| virtual ~C2SoftGSMDecFactory() override = default; |
| |
| private: |
| std::shared_ptr<C2ReflectorHelper> mHelper; |
| }; |
| |
| } // namespace android |
| |
| extern "C" ::C2ComponentFactory* CreateCodec2Factory() { |
| ALOGV("in %s", __func__); |
| return new ::android::C2SoftGSMDecFactory(); |
| } |
| |
| extern "C" void DestroyCodec2Factory(::C2ComponentFactory* factory) { |
| ALOGV("in %s", __func__); |
| delete factory; |
| } |