Move Codec2-related code from hardware/google/av

Test: None
Bug: 112362730
Change-Id: Ie2f8ff431d65c40333f267ab9877d47089adeea4
diff --git a/media/codec2/sfplugin/C2OMXNode.cpp b/media/codec2/sfplugin/C2OMXNode.cpp
new file mode 100644
index 0000000..749fd7a
--- /dev/null
+++ b/media/codec2/sfplugin/C2OMXNode.cpp
@@ -0,0 +1,329 @@
+/*
+ * 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 <media/stagefright/omx/OMXUtils.h>
+#include <media/stagefright/MediaErrors.h>
+#include <ui/Fence.h>
+#include <ui/GraphicBuffer.h>
+
+#include "C2OMXNode.h"
+
+namespace android {
+
+namespace {
+
+class Buffer2D : public C2Buffer {
+public:
+    explicit Buffer2D(C2ConstGraphicBlock block) : C2Buffer({ block }) {}
+};
+
+}  // namespace
+
+C2OMXNode::C2OMXNode(const std::shared_ptr<Codec2Client::Component> &comp)
+    : mComp(comp), mFrameIndex(0), mWidth(0), mHeight(0),
+      mAdjustTimestampGapUs(0), mFirstInputFrame(true) {
+    // TODO: read from intf()
+    if (!strncmp(comp->getName().c_str(), "c2.android.", 11)) {
+        mUsage = GRALLOC_USAGE_SW_READ_OFTEN;
+    } else {
+        mUsage = GRALLOC_USAGE_HW_VIDEO_ENCODER;
+    }
+}
+
+status_t C2OMXNode::freeNode() {
+    mComp.reset();
+    return OK;
+}
+
+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) {
+    // handle max/fixed frame duration control
+    if (index == (OMX_INDEXTYPE)OMX_IndexParamMaxFrameDurationForBitrateControl
+            && params != NULL
+            && size == sizeof(OMX_PARAM_U32TYPE)) {
+        // The incoming number is an int32_t contained in OMX_U32.
+        mAdjustTimestampGapUs = (int32_t)((OMX_PARAM_U32TYPE*)params)->nU32;
+        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) {
+    // TODO: better fence handling
+    if (fenceFd >= 0) {
+        sp<Fence> fence = new Fence(fenceFd);
+        fence->waitForever(LOG_TAG);
+    }
+    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;
+
+    C2Handle *handle = nullptr;
+    if (omxBuf.mBufferType == OMXBuffer::kBufferTypeANWBuffer
+            && omxBuf.mGraphicBuffer != nullptr) {
+        std::shared_ptr<C2GraphicAllocation> alloc;
+        handle = WrapNativeCodec2GrallocHandle(
+                native_handle_clone(omxBuf.mGraphicBuffer->handle),
+                omxBuf.mGraphicBuffer->width,
+                omxBuf.mGraphicBuffer->height,
+                omxBuf.mGraphicBuffer->format,
+                omxBuf.mGraphicBuffer->usage,
+                omxBuf.mGraphicBuffer->stride);
+        c2_status_t err = mAllocator->priorGraphicAllocation(handle, &alloc);
+        if (err != OK) {
+            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(
+                // TODO: fence
+                new Buffer2D(block->share(
+                        C2Rect(block->width(), block->height()), ::C2Fence())),
+                [buffer, source = getSource()](C2Buffer *ptr) {
+                    delete ptr;
+                    // TODO: fence
+                    (void)source->onInputBufferEmptied(buffer, -1);
+                });
+        work->input.buffers.push_back(c2Buffer);
+    }
+    work->worklets.clear();
+    work->worklets.emplace_back(new C2Worklet);
+    std::list<std::unique_ptr<C2Work>> items;
+    items.push_back(std::move(work));
+
+    c2_status_t err = comp->queue(&items);
+    if (err != C2_OK) {
+        return UNKNOWN_ERROR;
+    }
+
+    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;
+}
+
+}  // namespace android