media/codec2/sfplugin/C2OMXNode.cpp - third_party/android/platform/frameworks/av - Git at Google

 /*
  * Copyright 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.
  */

 #ifdef __LP64__
 #define OMX_ANDROID_COMPILE_AS_32BIT_ON_64BIT_PLATFORMS
 #endif

 //#define LOG_NDEBUG 0
 #define LOG_TAG "C2OMXNode"
 #include <log/log.h>

 #include <C2AllocatorGralloc.h>
 #include <C2BlockInternal.h>
 #include <C2Component.h>
 #include <C2PlatformSupport.h>

 #include <OMX_Component.h>
 #include <OMX_Index.h>
 #include <OMX_IndexExt.h>

 #include <android/fdsan.h>
 #include <media/stagefright/omx/OMXUtils.h>
 #include <media/stagefright/MediaErrors.h>
 #include <ui/Fence.h>
 #include <ui/GraphicBuffer.h>
 #include <utils/Thread.h>

 #include "C2OMXNode.h"

 namespace android {

 namespace {

 class Buffer2D : public C2Buffer {
 public:
     explicit Buffer2D(C2ConstGraphicBlock block) : C2Buffer({ block }) {}
 };

 }  // namespace

 class C2OMXNode::QueueThread : public Thread {
 public:
     QueueThread() : Thread(false) {}
     ~QueueThread() override = default;
     void queue(
             const std::shared_ptr<Codec2Client::Component> &comp,
             int fenceFd,
             std::unique_ptr<C2Work> &&work,
             android::base::unique_fd &&fd0,
             android::base::unique_fd &&fd1) {
         Mutexed<Jobs>::Locked jobs(mJobs);
         auto it = jobs->queues.try_emplace(comp, comp).first;
         it->second.workList.emplace_back(
                 std::move(work), fenceFd, std::move(fd0), std::move(fd1));
         jobs->cond.broadcast();
     }

 protected:
     bool threadLoop() override {
         constexpr nsecs_t kIntervalNs = nsecs_t(10) * 1000 * 1000;  // 10ms
         constexpr nsecs_t kWaitNs = kIntervalNs * 2;
         for (int i = 0; i < 2; ++i) {
             Mutexed<Jobs>::Locked jobs(mJobs);
             nsecs_t nowNs = systemTime();
             bool queued = false;
             for (auto it = jobs->queues.begin(); it != jobs->queues.end(); ) {
                 Queue &queue = it->second;
                 if (queue.workList.empty()
                         || (queue.lastQueuedTimestampNs != 0 &&
                             nowNs - queue.lastQueuedTimestampNs < kIntervalNs)) {
                     ++it;
                     continue;
                 }
                 std::shared_ptr<Codec2Client::Component> comp = queue.component.lock();
                 if (!comp) {
                     it = jobs->queues.erase(it);
                     continue;
                 }
                 std::list<std::unique_ptr<C2Work>> items;
                 std::vector<int> fenceFds;
                 std::vector<android::base::unique_fd> uniqueFds;
                 while (!queue.workList.empty()) {
                     items.push_back(std::move(queue.workList.front().work));
                     fenceFds.push_back(queue.workList.front().fenceFd);
                     uniqueFds.push_back(std::move(queue.workList.front().fd0));
                     uniqueFds.push_back(std::move(queue.workList.front().fd1));
                     queue.workList.pop_front();
                 }

                 jobs.unlock();
                 for (int fenceFd : fenceFds) {
                     sp<Fence> fence(new Fence(fenceFd));
                     fence->waitForever(LOG_TAG);
                 }
                 queue.lastQueuedTimestampNs = nowNs;
                 comp->queue(&items);
                 for (android::base::unique_fd &ufd : uniqueFds) {
                     (void)ufd.release();
                 }
                 jobs.lock();

                 it = jobs->queues.upper_bound(comp);
                 queued = true;
             }
             if (queued) {
                 return true;
             }
             if (i == 0) {
                 jobs.waitForConditionRelative(jobs->cond, kWaitNs);
             }
         }
         return true;
     }

 private:
     struct WorkFence {
         WorkFence(std::unique_ptr<C2Work> &&w, int fd) : work(std::move(w)), fenceFd(fd) {}

         WorkFence(
                 std::unique_ptr<C2Work> &&w,
                 int fd,
                 android::base::unique_fd &&uniqueFd0,
                 android::base::unique_fd &&uniqueFd1)
             : work(std::move(w)),
               fenceFd(fd),
               fd0(std::move(uniqueFd0)),
               fd1(std::move(uniqueFd1)) {}

         std::unique_ptr<C2Work> work;
         int fenceFd;
         android::base::unique_fd fd0;
         android::base::unique_fd fd1;
     };
     struct Queue {
         Queue(const std::shared_ptr<Codec2Client::Component> &comp)
             : component(comp), lastQueuedTimestampNs(0) {}
         Queue(const Queue &) = delete;
         Queue &operator =(const Queue &) = delete;

         std::weak_ptr<Codec2Client::Component> component;
         std::list<WorkFence> workList;
         nsecs_t lastQueuedTimestampNs;
     };
     struct Jobs {
         std::map<std::weak_ptr<Codec2Client::Component>,
                  Queue,
                  std::owner_less<std::weak_ptr<Codec2Client::Component>>> queues;
         Condition cond;
     };
     Mutexed<Jobs> mJobs;
 };

 C2OMXNode::C2OMXNode(const std::shared_ptr<Codec2Client::Component> &comp)
     : mComp(comp), mFrameIndex(0), mWidth(0), mHeight(0), mUsage(0),
       mAdjustTimestampGapUs(0), mFirstInputFrame(true),
       mQueueThread(new QueueThread) {
     android_fdsan_set_error_level(ANDROID_FDSAN_ERROR_LEVEL_WARN_ALWAYS);
     mQueueThread->run("C2OMXNode", PRIORITY_AUDIO);
 }

 status_t C2OMXNode::freeNode() {
     mComp.reset();
     android_fdsan_set_error_level(ANDROID_FDSAN_ERROR_LEVEL_WARN_ONCE);
     return mQueueThread->requestExitAndWait();
 }

 status_t C2OMXNode::sendCommand(OMX_COMMANDTYPE cmd, OMX_S32 param) {
     if (cmd == OMX_CommandStateSet && param == OMX_StateLoaded) {
         // Reset first input frame so if C2OMXNode is recycled, the timestamp does not become
         // negative. This is a workaround for HW codecs that do not handle timestamp rollover.
         mFirstInputFrame = true;
     }
     return ERROR_UNSUPPORTED;
 }

 status_t C2OMXNode::getParameter(OMX_INDEXTYPE index, void *params, size_t size) {
     status_t err = ERROR_UNSUPPORTED;
     switch ((uint32_t)index) {
         case OMX_IndexParamConsumerUsageBits: {
             OMX_U32 *usage = (OMX_U32 *)params;
             *usage = mUsage;
             err = OK;
             break;
         }
         case OMX_IndexParamPortDefinition: {
             if (size < sizeof(OMX_PARAM_PORTDEFINITIONTYPE)) {
                 return BAD_VALUE;
             }
             OMX_PARAM_PORTDEFINITIONTYPE *pDef = (OMX_PARAM_PORTDEFINITIONTYPE *)params;
             // TODO: read these from intf()
             pDef->nBufferCountActual = 16;
             pDef->eDomain = OMX_PortDomainVideo;
             pDef->format.video.nFrameWidth = mWidth;
             pDef->format.video.nFrameHeight = mHeight;
             err = OK;
             break;
         }
         default:
             break;
     }
     return err;
 }

 status_t C2OMXNode::setParameter(OMX_INDEXTYPE index, const void *params, size_t size) {
     if (params == NULL) {
         return BAD_VALUE;
     }
     switch ((uint32_t)index) {
         case OMX_IndexParamMaxFrameDurationForBitrateControl:
             // handle max/fixed frame duration control
             if (size != sizeof(OMX_PARAM_U32TYPE)) {
                 return BAD_VALUE;
             }
             // The incoming number is an int32_t contained in OMX_U32.
             mAdjustTimestampGapUs = (int32_t)((OMX_PARAM_U32TYPE*)params)->nU32;
             return OK;

         case OMX_IndexParamConsumerUsageBits:
             if (size != sizeof(OMX_U32)) {
                 return BAD_VALUE;
             }
             mUsage = *((OMX_U32 *)params);
             return OK;
     }
     return ERROR_UNSUPPORTED;
 }

 status_t C2OMXNode::getConfig(OMX_INDEXTYPE index, void *config, size_t size) {
     (void)index;
     (void)config;
     (void)size;
     return ERROR_UNSUPPORTED;
 }

 status_t C2OMXNode::setConfig(OMX_INDEXTYPE index, const void *config, size_t size) {
     (void)index;
     (void)config;
     (void)size;
     return ERROR_UNSUPPORTED;
 }

 status_t C2OMXNode::setPortMode(OMX_U32 portIndex, IOMX::PortMode mode) {
     (void)portIndex;
     (void)mode;
     return ERROR_UNSUPPORTED;
 }

 status_t C2OMXNode::prepareForAdaptivePlayback(
         OMX_U32 portIndex, OMX_BOOL enable,
         OMX_U32 maxFrameWidth, OMX_U32 maxFrameHeight) {
     (void)portIndex;
     (void)enable;
     (void)maxFrameWidth;
     (void)maxFrameHeight;
     return ERROR_UNSUPPORTED;
 }

 status_t C2OMXNode::configureVideoTunnelMode(
         OMX_U32 portIndex, OMX_BOOL tunneled,
         OMX_U32 audioHwSync, native_handle_t **sidebandHandle) {
     (void)portIndex;
     (void)tunneled;
     (void)audioHwSync;
     *sidebandHandle = nullptr;
     return ERROR_UNSUPPORTED;
 }

 status_t C2OMXNode::getGraphicBufferUsage(OMX_U32 portIndex, OMX_U32* usage) {
     (void)portIndex;
     *usage = 0;
     return ERROR_UNSUPPORTED;
 }

 status_t C2OMXNode::setInputSurface(const sp<IOMXBufferSource> &bufferSource) {
     c2_status_t err = GetCodec2PlatformAllocatorStore()->fetchAllocator(
             C2PlatformAllocatorStore::GRALLOC,
             &mAllocator);
     if (err != OK) {
         return UNKNOWN_ERROR;
     }
     mBufferSource = bufferSource;
     return OK;
 }

 status_t C2OMXNode::allocateSecureBuffer(
         OMX_U32 portIndex, size_t size, buffer_id *buffer,
         void **bufferData, sp<NativeHandle> *nativeHandle) {
     (void)portIndex;
     (void)size;
     (void)nativeHandle;
     *buffer = 0;
     *bufferData = nullptr;
     return ERROR_UNSUPPORTED;
 }

 status_t C2OMXNode::useBuffer(
         OMX_U32 portIndex, const OMXBuffer &omxBuf, buffer_id *buffer) {
     (void)portIndex;
     (void)omxBuf;
     *buffer = 0;
     return ERROR_UNSUPPORTED;
 }

 status_t C2OMXNode::freeBuffer(OMX_U32 portIndex, buffer_id buffer) {
     (void)portIndex;
     (void)buffer;
     return ERROR_UNSUPPORTED;
 }

 status_t C2OMXNode::fillBuffer(
         buffer_id buffer, const OMXBuffer &omxBuf, int fenceFd) {
     (void)buffer;
     (void)omxBuf;
     (void)fenceFd;
     return ERROR_UNSUPPORTED;
 }

 status_t C2OMXNode::emptyBuffer(
         buffer_id buffer, const OMXBuffer &omxBuf,
         OMX_U32 flags, OMX_TICKS timestamp, int fenceFd) {
     std::shared_ptr<Codec2Client::Component> comp = mComp.lock();
     if (!comp) {
         return NO_INIT;
     }

     uint32_t c2Flags = (flags & OMX_BUFFERFLAG_EOS)
             ? C2FrameData::FLAG_END_OF_STREAM : 0;
     std::shared_ptr<C2GraphicBlock> block;

     android::base::unique_fd fd0, fd1;
     C2Handle *handle = nullptr;
     if (omxBuf.mBufferType == OMXBuffer::kBufferTypeANWBuffer
             && omxBuf.mGraphicBuffer != nullptr) {
         std::shared_ptr<C2GraphicAllocation> alloc;
         handle = WrapNativeCodec2GrallocHandle(
                 omxBuf.mGraphicBuffer->handle,
                 omxBuf.mGraphicBuffer->width,
                 omxBuf.mGraphicBuffer->height,
                 omxBuf.mGraphicBuffer->format,
                 omxBuf.mGraphicBuffer->usage,
                 omxBuf.mGraphicBuffer->stride);
         if (handle != nullptr) {
             // unique_fd takes ownership of the fds, we'll get warning if these
             // fds get closed by somebody else. Onwership will be released before
             // we return, so that the fds get closed as usually when this function
             // goes out of scope (when both items and block are gone).
             native_handle_t *nativeHandle = reinterpret_cast<native_handle_t*>(handle);
             fd0.reset(nativeHandle->numFds > 0 ? nativeHandle->data[0] : -1);
             fd1.reset(nativeHandle->numFds > 1 ? nativeHandle->data[1] : -1);
         }
         c2_status_t err = mAllocator->priorGraphicAllocation(handle, &alloc);
         if (err != OK) {
             (void)fd0.release();
             (void)fd1.release();
             return UNKNOWN_ERROR;
         }
         block = _C2BlockFactory::CreateGraphicBlock(alloc);
     } else if (!(flags & OMX_BUFFERFLAG_EOS)) {
         return BAD_VALUE;
     }

     std::unique_ptr<C2Work> work(new C2Work);
     work->input.flags = (C2FrameData::flags_t)c2Flags;
     work->input.ordinal.timestamp = timestamp;

     // WORKAROUND: adjust timestamp based on gapUs
     {
         work->input.ordinal.customOrdinal = timestamp; // save input timestamp
         if (mFirstInputFrame) {
             // grab timestamps on first frame
             mPrevInputTimestamp = timestamp;
             mPrevCodecTimestamp = timestamp;
             mFirstInputFrame = false;
         } else if (mAdjustTimestampGapUs > 0) {
             work->input.ordinal.timestamp =
                 mPrevCodecTimestamp
                         + c2_min((timestamp - mPrevInputTimestamp).peek(), mAdjustTimestampGapUs);
         } else if (mAdjustTimestampGapUs < 0) {
             work->input.ordinal.timestamp = mPrevCodecTimestamp - mAdjustTimestampGapUs;
         }
         mPrevInputTimestamp = work->input.ordinal.customOrdinal;
         mPrevCodecTimestamp = work->input.ordinal.timestamp;
         ALOGV("adjusting %lld to %lld (gap=%lld)",
               work->input.ordinal.customOrdinal.peekll(),
               work->input.ordinal.timestamp.peekll(),
               (long long)mAdjustTimestampGapUs);
     }

     work->input.ordinal.frameIndex = mFrameIndex++;
     work->input.buffers.clear();
     if (block) {
         std::shared_ptr<C2Buffer> c2Buffer(
                 new Buffer2D(block->share(
                         C2Rect(block->width(), block->height()), ::C2Fence())));
         work->input.buffers.push_back(c2Buffer);
     }
     work->worklets.clear();
     work->worklets.emplace_back(new C2Worklet);
     mBufferIdsInUse.lock()->emplace(work->input.ordinal.frameIndex.peeku(), buffer);
     mQueueThread->queue(comp, fenceFd, std::move(work), std::move(fd0), std::move(fd1));

     return OK;
 }

 status_t C2OMXNode::getExtensionIndex(
         const char *parameterName, OMX_INDEXTYPE *index) {
     (void)parameterName;
     *index = OMX_IndexMax;
     return ERROR_UNSUPPORTED;
 }

 status_t C2OMXNode::dispatchMessage(const omx_message& msg) {
     if (msg.type != omx_message::EVENT) {
         return ERROR_UNSUPPORTED;
     }
     if (msg.u.event_data.event != OMX_EventDataSpaceChanged) {
         return ERROR_UNSUPPORTED;
     }
     android_dataspace dataSpace = (android_dataspace)msg.u.event_data.data1;
     uint32_t pixelFormat = msg.u.event_data.data3;

     // TODO: set dataspace on component to see if it impacts color aspects
     ALOGD("dataspace changed to %#x pixel format: %#x", dataSpace, pixelFormat);
     return OK;
 }

 sp<IOMXBufferSource> C2OMXNode::getSource() {
     return mBufferSource;
 }

 void C2OMXNode::setFrameSize(uint32_t width, uint32_t height) {
     mWidth = width;
     mHeight = height;
 }

 void C2OMXNode::onInputBufferDone(c2_cntr64_t index) {
     if (!mBufferSource) {
         ALOGD("Buffer source not set (index=%llu)", index.peekull());
         return;
     }

     int32_t bufferId = 0;
     {
         decltype(mBufferIdsInUse)::Locked bufferIds(mBufferIdsInUse);
         auto it = bufferIds->find(index.peeku());
         if (it == bufferIds->end()) {
             ALOGV("Untracked input index %llu (maybe already removed)", index.peekull());
             return;
         }
         bufferId = it->second;
         (void)bufferIds->erase(it);
     }
     (void)mBufferSource->onInputBufferEmptied(bufferId, -1);
 }

 }  // namespace android
	/*
	* Copyright 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.
	*/

	#ifdef __LP64__
	#define OMX_ANDROID_COMPILE_AS_32BIT_ON_64BIT_PLATFORMS
	#endif

	//#define LOG_NDEBUG 0
	#define LOG_TAG "C2OMXNode"
	#include <log/log.h>

	#include <C2AllocatorGralloc.h>
	#include <C2BlockInternal.h>
	#include <C2Component.h>
	#include <C2PlatformSupport.h>

	#include <OMX_Component.h>
	#include <OMX_Index.h>
	#include <OMX_IndexExt.h>

	#include <android/fdsan.h>
	#include <media/stagefright/omx/OMXUtils.h>
	#include <media/stagefright/MediaErrors.h>
	#include <ui/Fence.h>
	#include <ui/GraphicBuffer.h>
	#include <utils/Thread.h>

	#include "C2OMXNode.h"

	namespace android {

	namespace {

	class Buffer2D : public C2Buffer {
	public:
	explicit Buffer2D(C2ConstGraphicBlock block) : C2Buffer({ block }) {}
	};

	} // namespace

	class C2OMXNode::QueueThread : public Thread {
	public:
	QueueThread() : Thread(false) {}
	~QueueThread() override = default;
	void queue(
	const std::shared_ptr<Codec2Client::Component> &comp,
	int fenceFd,
	std::unique_ptr<C2Work> &&work,
	android::base::unique_fd &&fd0,
	android::base::unique_fd &&fd1) {
	Mutexed<Jobs>::Locked jobs(mJobs);
	auto it = jobs->queues.try_emplace(comp, comp).first;
	it->second.workList.emplace_back(
	std::move(work), fenceFd, std::move(fd0), std::move(fd1));
	jobs->cond.broadcast();
	}

	protected:
	bool threadLoop() override {
	constexpr nsecs_t kIntervalNs = nsecs_t(10) * 1000 * 1000; // 10ms
	constexpr nsecs_t kWaitNs = kIntervalNs * 2;
	for (int i = 0; i < 2; ++i) {
	Mutexed<Jobs>::Locked jobs(mJobs);
	nsecs_t nowNs = systemTime();
	bool queued = false;
	for (auto it = jobs->queues.begin(); it != jobs->queues.end(); ) {
	Queue &queue = it->second;
	if (queue.workList.empty()
	\|\| (queue.lastQueuedTimestampNs != 0 &&
	nowNs - queue.lastQueuedTimestampNs < kIntervalNs)) {
	++it;
	continue;
	}
	std::shared_ptr<Codec2Client::Component> comp = queue.component.lock();
	if (!comp) {
	it = jobs->queues.erase(it);
	continue;
	}
	std::list<std::unique_ptr<C2Work>> items;
	std::vector<int> fenceFds;
	std::vector<android::base::unique_fd> uniqueFds;
	while (!queue.workList.empty()) {
	items.push_back(std::move(queue.workList.front().work));
	fenceFds.push_back(queue.workList.front().fenceFd);
	uniqueFds.push_back(std::move(queue.workList.front().fd0));
	uniqueFds.push_back(std::move(queue.workList.front().fd1));
	queue.workList.pop_front();
	}

	jobs.unlock();
	for (int fenceFd : fenceFds) {
	sp<Fence> fence(new Fence(fenceFd));
	fence->waitForever(LOG_TAG);
	}
	queue.lastQueuedTimestampNs = nowNs;
	comp->queue(&items);
	for (android::base::unique_fd &ufd : uniqueFds) {
	(void)ufd.release();
	}
	jobs.lock();

	it = jobs->queues.upper_bound(comp);
	queued = true;
	}
	if (queued) {
	return true;
	}
	if (i == 0) {
	jobs.waitForConditionRelative(jobs->cond, kWaitNs);
	}
	}
	return true;
	}

	private:
	struct WorkFence {
	WorkFence(std::unique_ptr<C2Work> &&w, int fd) : work(std::move(w)), fenceFd(fd) {}

	WorkFence(
	std::unique_ptr<C2Work> &&w,
	int fd,
	android::base::unique_fd &&uniqueFd0,
	android::base::unique_fd &&uniqueFd1)
	: work(std::move(w)),
	fenceFd(fd),
	fd0(std::move(uniqueFd0)),
	fd1(std::move(uniqueFd1)) {}

	std::unique_ptr<C2Work> work;
	int fenceFd;
	android::base::unique_fd fd0;
	android::base::unique_fd fd1;
	};
	struct Queue {
	Queue(const std::shared_ptr<Codec2Client::Component> &comp)
	: component(comp), lastQueuedTimestampNs(0) {}
	Queue(const Queue &) = delete;
	Queue &operator =(const Queue &) = delete;

	std::weak_ptr<Codec2Client::Component> component;
	std::list<WorkFence> workList;
	nsecs_t lastQueuedTimestampNs;
	};
	struct Jobs {
	std::map<std::weak_ptr<Codec2Client::Component>,
	Queue,
	std::owner_less<std::weak_ptr<Codec2Client::Component>>> queues;
	Condition cond;
	};
	Mutexed<Jobs> mJobs;
	};

	C2OMXNode::C2OMXNode(const std::shared_ptr<Codec2Client::Component> &comp)
	: mComp(comp), mFrameIndex(0), mWidth(0), mHeight(0), mUsage(0),
	mAdjustTimestampGapUs(0), mFirstInputFrame(true),
	mQueueThread(new QueueThread) {
	android_fdsan_set_error_level(ANDROID_FDSAN_ERROR_LEVEL_WARN_ALWAYS);
	mQueueThread->run("C2OMXNode", PRIORITY_AUDIO);
	}

	status_t C2OMXNode::freeNode() {
	mComp.reset();
	android_fdsan_set_error_level(ANDROID_FDSAN_ERROR_LEVEL_WARN_ONCE);
	return mQueueThread->requestExitAndWait();
	}

	status_t C2OMXNode::sendCommand(OMX_COMMANDTYPE cmd, OMX_S32 param) {
	if (cmd == OMX_CommandStateSet && param == OMX_StateLoaded) {
	// Reset first input frame so if C2OMXNode is recycled, the timestamp does not become
	// negative. This is a workaround for HW codecs that do not handle timestamp rollover.
	mFirstInputFrame = true;
	}
	return ERROR_UNSUPPORTED;
	}

	status_t C2OMXNode::getParameter(OMX_INDEXTYPE index, void *params, size_t size) {
	status_t err = ERROR_UNSUPPORTED;
	switch ((uint32_t)index) {
	case OMX_IndexParamConsumerUsageBits: {
	OMX_U32 usage = (OMX_U32 )params;
	*usage = mUsage;
	err = OK;
	break;
	}
	case OMX_IndexParamPortDefinition: {
	if (size < sizeof(OMX_PARAM_PORTDEFINITIONTYPE)) {
	return BAD_VALUE;
	}
	OMX_PARAM_PORTDEFINITIONTYPE pDef = (OMX_PARAM_PORTDEFINITIONTYPE )params;
	// TODO: read these from intf()
	pDef->nBufferCountActual = 16;
	pDef->eDomain = OMX_PortDomainVideo;
	pDef->format.video.nFrameWidth = mWidth;
	pDef->format.video.nFrameHeight = mHeight;
	err = OK;
	break;
	}
	default:
	break;
	}
	return err;
	}

	status_t C2OMXNode::setParameter(OMX_INDEXTYPE index, const void *params, size_t size) {
	if (params == NULL) {
	return BAD_VALUE;
	}
	switch ((uint32_t)index) {
	case OMX_IndexParamMaxFrameDurationForBitrateControl:
	// handle max/fixed frame duration control
	if (size != sizeof(OMX_PARAM_U32TYPE)) {
	return BAD_VALUE;
	}
	// The incoming number is an int32_t contained in OMX_U32.
	mAdjustTimestampGapUs = (int32_t)((OMX_PARAM_U32TYPE*)params)->nU32;
	return OK;

	case OMX_IndexParamConsumerUsageBits:
	if (size != sizeof(OMX_U32)) {
	return BAD_VALUE;
	}
	mUsage = ((OMX_U32 )params);
	return OK;
	}
	return ERROR_UNSUPPORTED;
	}

	status_t C2OMXNode::getConfig(OMX_INDEXTYPE index, void *config, size_t size) {
	(void)index;
	(void)config;
	(void)size;
	return ERROR_UNSUPPORTED;
	}

	status_t C2OMXNode::setConfig(OMX_INDEXTYPE index, const void *config, size_t size) {
	(void)index;
	(void)config;
	(void)size;
	return ERROR_UNSUPPORTED;
	}

	status_t C2OMXNode::setPortMode(OMX_U32 portIndex, IOMX::PortMode mode) {
	(void)portIndex;
	(void)mode;
	return ERROR_UNSUPPORTED;
	}

	status_t C2OMXNode::prepareForAdaptivePlayback(
	OMX_U32 portIndex, OMX_BOOL enable,
	OMX_U32 maxFrameWidth, OMX_U32 maxFrameHeight) {
	(void)portIndex;
	(void)enable;
	(void)maxFrameWidth;
	(void)maxFrameHeight;
	return ERROR_UNSUPPORTED;
	}

	status_t C2OMXNode::configureVideoTunnelMode(
	OMX_U32 portIndex, OMX_BOOL tunneled,
	OMX_U32 audioHwSync, native_handle_t **sidebandHandle) {
	(void)portIndex;
	(void)tunneled;
	(void)audioHwSync;
	*sidebandHandle = nullptr;
	return ERROR_UNSUPPORTED;
	}

	status_t C2OMXNode::getGraphicBufferUsage(OMX_U32 portIndex, OMX_U32* usage) {
	(void)portIndex;
	*usage = 0;
	return ERROR_UNSUPPORTED;
	}

	status_t C2OMXNode::setInputSurface(const sp<IOMXBufferSource> &bufferSource) {
	c2_status_t err = GetCodec2PlatformAllocatorStore()->fetchAllocator(
	C2PlatformAllocatorStore::GRALLOC,
	&mAllocator);
	if (err != OK) {
	return UNKNOWN_ERROR;
	}
	mBufferSource = bufferSource;
	return OK;
	}

	status_t C2OMXNode::allocateSecureBuffer(
	OMX_U32 portIndex, size_t size, buffer_id *buffer,
	void *bufferData, sp<NativeHandle> nativeHandle) {
	(void)portIndex;
	(void)size;
	(void)nativeHandle;
	*buffer = 0;
	*bufferData = nullptr;
	return ERROR_UNSUPPORTED;
	}

	status_t C2OMXNode::useBuffer(
	OMX_U32 portIndex, const OMXBuffer &omxBuf, buffer_id *buffer) {
	(void)portIndex;
	(void)omxBuf;
	*buffer = 0;
	return ERROR_UNSUPPORTED;
	}

	status_t C2OMXNode::freeBuffer(OMX_U32 portIndex, buffer_id buffer) {
	(void)portIndex;
	(void)buffer;
	return ERROR_UNSUPPORTED;
	}

	status_t C2OMXNode::fillBuffer(
	buffer_id buffer, const OMXBuffer &omxBuf, int fenceFd) {
	(void)buffer;
	(void)omxBuf;
	(void)fenceFd;
	return ERROR_UNSUPPORTED;
	}

	status_t C2OMXNode::emptyBuffer(
	buffer_id buffer, const OMXBuffer &omxBuf,
	OMX_U32 flags, OMX_TICKS timestamp, int fenceFd) {
	std::shared_ptr<Codec2Client::Component> comp = mComp.lock();
	if (!comp) {
	return NO_INIT;
	}

	uint32_t c2Flags = (flags & OMX_BUFFERFLAG_EOS)
	? C2FrameData::FLAG_END_OF_STREAM : 0;
	std::shared_ptr<C2GraphicBlock> block;

	android::base::unique_fd fd0, fd1;
	C2Handle *handle = nullptr;
	if (omxBuf.mBufferType == OMXBuffer::kBufferTypeANWBuffer
	&& omxBuf.mGraphicBuffer != nullptr) {
	std::shared_ptr<C2GraphicAllocation> alloc;
	handle = WrapNativeCodec2GrallocHandle(
	omxBuf.mGraphicBuffer->handle,
	omxBuf.mGraphicBuffer->width,
	omxBuf.mGraphicBuffer->height,
	omxBuf.mGraphicBuffer->format,
	omxBuf.mGraphicBuffer->usage,
	omxBuf.mGraphicBuffer->stride);
	if (handle != nullptr) {
	// unique_fd takes ownership of the fds, we'll get warning if these
	// fds get closed by somebody else. Onwership will be released before
	// we return, so that the fds get closed as usually when this function
	// goes out of scope (when both items and block are gone).
	native_handle_t nativeHandle = reinterpret_cast<native_handle_t>(handle);
	fd0.reset(nativeHandle->numFds > 0 ? nativeHandle->data[0] : -1);
	fd1.reset(nativeHandle->numFds > 1 ? nativeHandle->data[1] : -1);
	}
	c2_status_t err = mAllocator->priorGraphicAllocation(handle, &alloc);
	if (err != OK) {
	(void)fd0.release();
	(void)fd1.release();
	return UNKNOWN_ERROR;
	}
	block = _C2BlockFactory::CreateGraphicBlock(alloc);
	} else if (!(flags & OMX_BUFFERFLAG_EOS)) {
	return BAD_VALUE;
	}

	std::unique_ptr<C2Work> work(new C2Work);
	work->input.flags = (C2FrameData::flags_t)c2Flags;
	work->input.ordinal.timestamp = timestamp;

	// WORKAROUND: adjust timestamp based on gapUs
	{
	work->input.ordinal.customOrdinal = timestamp; // save input timestamp
	if (mFirstInputFrame) {
	// grab timestamps on first frame
	mPrevInputTimestamp = timestamp;
	mPrevCodecTimestamp = timestamp;
	mFirstInputFrame = false;
	} else if (mAdjustTimestampGapUs > 0) {
	work->input.ordinal.timestamp =
	mPrevCodecTimestamp
	+ c2_min((timestamp - mPrevInputTimestamp).peek(), mAdjustTimestampGapUs);
	} else if (mAdjustTimestampGapUs < 0) {
	work->input.ordinal.timestamp = mPrevCodecTimestamp - mAdjustTimestampGapUs;
	}
	mPrevInputTimestamp = work->input.ordinal.customOrdinal;
	mPrevCodecTimestamp = work->input.ordinal.timestamp;
	ALOGV("adjusting %lld to %lld (gap=%lld)",
	work->input.ordinal.customOrdinal.peekll(),
	work->input.ordinal.timestamp.peekll(),
	(long long)mAdjustTimestampGapUs);
	}

	work->input.ordinal.frameIndex = mFrameIndex++;
	work->input.buffers.clear();
	if (block) {
	std::shared_ptr<C2Buffer> c2Buffer(
	new Buffer2D(block->share(
	C2Rect(block->width(), block->height()), ::C2Fence())));
	work->input.buffers.push_back(c2Buffer);
	}
	work->worklets.clear();
	work->worklets.emplace_back(new C2Worklet);
	mBufferIdsInUse.lock()->emplace(work->input.ordinal.frameIndex.peeku(), buffer);
	mQueueThread->queue(comp, fenceFd, std::move(work), std::move(fd0), std::move(fd1));

	return OK;
	}

	status_t C2OMXNode::getExtensionIndex(
	const char parameterName, OMX_INDEXTYPE index) {
	(void)parameterName;
	*index = OMX_IndexMax;
	return ERROR_UNSUPPORTED;
	}

	status_t C2OMXNode::dispatchMessage(const omx_message& msg) {
	if (msg.type != omx_message::EVENT) {
	return ERROR_UNSUPPORTED;
	}
	if (msg.u.event_data.event != OMX_EventDataSpaceChanged) {
	return ERROR_UNSUPPORTED;
	}
	android_dataspace dataSpace = (android_dataspace)msg.u.event_data.data1;
	uint32_t pixelFormat = msg.u.event_data.data3;

	// TODO: set dataspace on component to see if it impacts color aspects
	ALOGD("dataspace changed to %#x pixel format: %#x", dataSpace, pixelFormat);
	return OK;
	}

	sp<IOMXBufferSource> C2OMXNode::getSource() {
	return mBufferSource;
	}

	void C2OMXNode::setFrameSize(uint32_t width, uint32_t height) {
	mWidth = width;
	mHeight = height;
	}

	void C2OMXNode::onInputBufferDone(c2_cntr64_t index) {
	if (!mBufferSource) {
	ALOGD("Buffer source not set (index=%llu)", index.peekull());
	return;
	}

	int32_t bufferId = 0;
	{
	decltype(mBufferIdsInUse)::Locked bufferIds(mBufferIdsInUse);
	auto it = bufferIds->find(index.peeku());
	if (it == bufferIds->end()) {
	ALOGV("Untracked input index %llu (maybe already removed)", index.peekull());
	return;
	}
	bufferId = it->second;
	(void)bufferIds->erase(it);
	}
	(void)mBufferSource->onInputBufferEmptied(bufferId, -1);
	}

	} // namespace android