Move Codec2-related code from hardware/google/av
Test: None
Bug: 112362730
Change-Id: Ie2f8ff431d65c40333f267ab9877d47089adeea4
diff --git a/media/codec2/components/g711/C2SoftG711Dec.cpp b/media/codec2/components/g711/C2SoftG711Dec.cpp
new file mode 100644
index 0000000..1c71d45
--- /dev/null
+++ b/media/codec2/components/g711/C2SoftG711Dec.cpp
@@ -0,0 +1,323 @@
+/*
+ * 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 "C2SoftG711Dec"
+#include <log/log.h>
+
+#include <media/stagefright/foundation/MediaDefs.h>
+
+#include <C2PlatformSupport.h>
+#include <SimpleC2Interface.h>
+
+#include "C2SoftG711Dec.h"
+
+namespace android {
+
+#ifdef ALAW
+constexpr char COMPONENT_NAME[] = "c2.android.g711.alaw.decoder";
+#else
+constexpr char COMPONENT_NAME[] = "c2.android.g711.mlaw.decoder";
+#endif
+
+class C2SoftG711Dec::IntfImpl : public C2InterfaceHelper {
+public:
+ explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper> &helper)
+ : C2InterfaceHelper(helper) {
+
+ setDerivedInstance(this);
+
+ addParameter(
+ DefineParam(mInputFormat, C2_NAME_INPUT_STREAM_FORMAT_SETTING)
+ .withConstValue(new C2StreamFormatConfig::input(0u, C2FormatCompressed))
+ .build());
+
+ addParameter(
+ DefineParam(mOutputFormat, C2_NAME_OUTPUT_STREAM_FORMAT_SETTING)
+ .withConstValue(new C2StreamFormatConfig::output(0u, C2FormatAudio))
+ .build());
+
+ addParameter(
+ DefineParam(mInputMediaType, C2_NAME_INPUT_PORT_MIME_SETTING)
+ .withConstValue(AllocSharedString<C2PortMimeConfig::input>(
+#ifdef ALAW
+ MEDIA_MIMETYPE_AUDIO_G711_ALAW
+#else
+ MEDIA_MIMETYPE_AUDIO_G711_MLAW
+#endif
+ )).build());
+
+ addParameter(
+ DefineParam(mOutputMediaType, C2_NAME_OUTPUT_PORT_MIME_SETTING)
+ .withConstValue(AllocSharedString<C2PortMimeConfig::output>(
+ MEDIA_MIMETYPE_AUDIO_RAW))
+ .build());
+
+ addParameter(
+ DefineParam(mSampleRate, C2_NAME_STREAM_SAMPLE_RATE_SETTING)
+ .withDefault(new C2StreamSampleRateInfo::output(0u, 8000))
+ .withFields({C2F(mSampleRate, value).inRange(8000, 48000)})
+ .withSetter((Setter<decltype(*mSampleRate)>::StrictValueWithNoDeps))
+ .build());
+
+ addParameter(
+ DefineParam(mChannelCount, C2_NAME_STREAM_CHANNEL_COUNT_SETTING)
+ .withDefault(new C2StreamChannelCountInfo::output(0u, 1))
+ .withFields({C2F(mChannelCount, value).equalTo(1)})
+ .withSetter(Setter<decltype(*mChannelCount)>::StrictValueWithNoDeps)
+ .build());
+
+ addParameter(
+ DefineParam(mBitrate, C2_NAME_STREAM_BITRATE_SETTING)
+ .withDefault(new C2BitrateTuning::input(0u, 64000))
+ .withFields({C2F(mBitrate, value).equalTo(64000)})
+ .withSetter(Setter<decltype(*mBitrate)>::NonStrictValueWithNoDeps)
+ .build());
+
+ addParameter(
+ DefineParam(mInputMaxBufSize, C2_PARAMKEY_INPUT_MAX_BUFFER_SIZE)
+ .withConstValue(new C2StreamMaxBufferSizeInfo::input(0u, 8192))
+ .build());
+ }
+
+private:
+ std::shared_ptr<C2StreamFormatConfig::input> mInputFormat;
+ std::shared_ptr<C2StreamFormatConfig::output> mOutputFormat;
+ std::shared_ptr<C2PortMimeConfig::input> mInputMediaType;
+ std::shared_ptr<C2PortMimeConfig::output> mOutputMediaType;
+ std::shared_ptr<C2StreamSampleRateInfo::output> mSampleRate;
+ std::shared_ptr<C2StreamChannelCountInfo::output> mChannelCount;
+ std::shared_ptr<C2BitrateTuning::input> mBitrate;
+ std::shared_ptr<C2StreamMaxBufferSizeInfo::input> mInputMaxBufSize;
+};
+
+C2SoftG711Dec::C2SoftG711Dec(
+ 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) {
+}
+
+C2SoftG711Dec::~C2SoftG711Dec() {
+ onRelease();
+}
+
+c2_status_t C2SoftG711Dec::onInit() {
+ mSignalledOutputEos = false;
+ return C2_OK;
+}
+
+c2_status_t C2SoftG711Dec::onStop() {
+ mSignalledOutputEos = false;
+ return C2_OK;
+}
+
+void C2SoftG711Dec::onReset() {
+ (void)onStop();
+}
+
+void C2SoftG711Dec::onRelease() {
+}
+
+c2_status_t C2SoftG711Dec::onFlush_sm() {
+ return onStop();
+}
+
+void C2SoftG711Dec::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 (mSignalledOutputEos) {
+ work->result = C2_BAD_VALUE;
+ return;
+ }
+
+ 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 = C2_CORRUPTED;
+ return;
+ }
+ }
+ bool eos = (work->input.flags & C2FrameData::FLAG_END_OF_STREAM) != 0;
+ int outSize = inSize * sizeof(int16_t);
+
+ ALOGV("in buffer attr. size %zu timestamp %d frameindex %d", inSize,
+ (int)work->input.ordinal.timestamp.peeku(), (int)work->input.ordinal.frameIndex.peeku());
+
+ 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) {
+ mSignalledOutputEos = true;
+ ALOGV("signalled EOS");
+ }
+ return;
+ }
+
+ uint8_t *inputptr = const_cast<uint8_t *>(rView.data() + inOffset);
+
+ std::shared_ptr<C2LinearBlock> block;
+ C2MemoryUsage usage = { C2MemoryUsage::CPU_READ, C2MemoryUsage::CPU_WRITE };
+ c2_status_t err = pool->fetchLinearBlock(outSize, 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 = C2_CORRUPTED;
+ return;
+ }
+ int16_t *outputptr = reinterpret_cast<int16_t *>(wView.data());
+
+#ifdef ALAW
+ DecodeALaw(outputptr, inputptr, inSize);
+#else
+ DecodeMLaw(outputptr, inputptr, inSize);
+#endif
+
+ work->worklets.front()->output.flags = work->input.flags;
+ work->worklets.front()->output.buffers.clear();
+ work->worklets.front()->output.buffers.push_back(createLinearBuffer(block));
+ work->worklets.front()->output.ordinal = work->input.ordinal;
+
+ if (eos) {
+ mSignalledOutputEos = true;
+ ALOGV("signalled EOS");
+ }
+}
+
+c2_status_t C2SoftG711Dec::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;
+}
+
+#ifdef ALAW
+void C2SoftG711Dec::DecodeALaw(
+ int16_t *out, const uint8_t *in, size_t inSize) {
+ while (inSize > 0) {
+ inSize--;
+ int32_t x = *in++;
+
+ int32_t ix = x ^ 0x55;
+ ix &= 0x7f;
+
+ int32_t iexp = ix >> 4;
+ int32_t mant = ix & 0x0f;
+
+ if (iexp > 0) {
+ mant += 16;
+ }
+
+ mant = (mant << 4) + 8;
+
+ if (iexp > 1) {
+ mant = mant << (iexp - 1);
+ }
+
+ *out++ = (x > 127) ? mant : -mant;
+ }
+}
+#else
+void C2SoftG711Dec::DecodeMLaw(
+ int16_t *out, const uint8_t *in, size_t inSize) {
+ while (inSize > 0) {
+ inSize--;
+ int32_t x = *in++;
+
+ int32_t mantissa = ~x;
+ int32_t exponent = (mantissa >> 4) & 7;
+ int32_t segment = exponent + 1;
+ mantissa &= 0x0f;
+
+ int32_t step = 4 << segment;
+
+ int32_t abs = (0x80l << exponent) + step * mantissa + step / 2 - 4 * 33;
+
+ *out++ = (x < 0x80) ? -abs : abs;
+ }
+}
+#endif
+
+class C2SoftG711DecFactory : public C2ComponentFactory {
+public:
+ C2SoftG711DecFactory() : 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 C2SoftG711Dec(COMPONENT_NAME, id,
+ std::make_shared<C2SoftG711Dec::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<C2SoftG711Dec::IntfImpl>(
+ COMPONENT_NAME, id, std::make_shared<C2SoftG711Dec::IntfImpl>(mHelper)),
+ deleter);
+ return C2_OK;
+ }
+
+ virtual ~C2SoftG711DecFactory() override = default;
+
+private:
+ std::shared_ptr<C2ReflectorHelper> mHelper;
+};
+
+} // namespace android
+
+extern "C" ::C2ComponentFactory* CreateCodec2Factory() {
+ ALOGV("in %s", __func__);
+ return new ::android::C2SoftG711DecFactory();
+}
+
+extern "C" void DestroyCodec2Factory(::C2ComponentFactory* factory) {
+ ALOGV("in %s", __func__);
+ delete factory;
+}