1 files changed, 528 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/m4v_h263/dec/SoftMPEG4.cpp b/media/libstagefright/codecs/m4v_h263/dec/SoftMPEG4.cpp
new file mode 100644
index 0000000..13e1662
--- /dev/null
+++ b/media/libstagefright/codecs/m4v_h263/dec/SoftMPEG4.cpp
@@ -0,0 +1,528 @@
+/*
+ * Copyright (C) 2011 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 "SoftMPEG4"
+#include <utils/Log.h>
+
+#include "SoftMPEG4.h"
+
+#include <media/stagefright/foundation/ADebug.h>
+#include <media/stagefright/MediaDefs.h>
+#include <media/stagefright/MediaErrors.h>
+
+#include "mp4dec_api.h"
+
+namespace android {
+
+template<class T>
+static void InitOMXParams(T *params) {
+    params->nSize = sizeof(T);
+    params->nVersion.s.nVersionMajor = 1;
+    params->nVersion.s.nVersionMinor = 0;
+    params->nVersion.s.nRevision = 0;
+    params->nVersion.s.nStep = 0;
+}
+
+SoftMPEG4::SoftMPEG4(
+        const char *name,
+        const OMX_CALLBACKTYPE *callbacks,
+        OMX_PTR appData,
+        OMX_COMPONENTTYPE **component)
+    : SimpleSoftOMXComponent(name, callbacks, appData, component),
+      mMode(MODE_MPEG4),
+      mHandle(new tagvideoDecControls),
+      mInputBufferCount(0),
+      mWidth(352),
+      mHeight(288),
+      mCropLeft(0),
+      mCropTop(0),
+      mCropRight(mWidth - 1),
+      mCropBottom(mHeight - 1),
+      mSignalledError(false),
+      mInitialized(false),
+      mFramesConfigured(false),
+      mNumSamplesOutput(0),
+      mOutputPortSettingsChange(NONE) {
+    if (!strcmp(name, "OMX.google.h263.decoder")) {
+        mMode = MODE_H263;
+    } else {
+        CHECK(!strcmp(name, "OMX.google.mpeg4.decoder"));
+    }
+
+    initPorts();
+    CHECK_EQ(initDecoder(), (status_t)OK);
+}
+
+SoftMPEG4::~SoftMPEG4() {
+    if (mInitialized) {
+        PVCleanUpVideoDecoder(mHandle);
+    }
+
+    delete mHandle;
+    mHandle = NULL;
+}
+
+void SoftMPEG4::initPorts() {
+    OMX_PARAM_PORTDEFINITIONTYPE def;
+    InitOMXParams(&def);
+
+    def.nPortIndex = 0;
+    def.eDir = OMX_DirInput;
+    def.nBufferCountMin = kNumInputBuffers;
+    def.nBufferCountActual = def.nBufferCountMin;
+    def.nBufferSize = 8192;
+    def.bEnabled = OMX_TRUE;
+    def.bPopulated = OMX_FALSE;
+    def.eDomain = OMX_PortDomainVideo;
+    def.bBuffersContiguous = OMX_FALSE;
+    def.nBufferAlignment = 1;
+
+    def.format.video.cMIMEType =
+        (mMode == MODE_MPEG4)
+            ? const_cast<char *>(MEDIA_MIMETYPE_VIDEO_MPEG4)
+            : const_cast<char *>(MEDIA_MIMETYPE_VIDEO_H263);
+
+    def.format.video.pNativeRender = NULL;
+    def.format.video.nFrameWidth = mWidth;
+    def.format.video.nFrameHeight = mHeight;
+    def.format.video.nStride = def.format.video.nFrameWidth;
+    def.format.video.nSliceHeight = def.format.video.nFrameHeight;
+    def.format.video.nBitrate = 0;
+    def.format.video.xFramerate = 0;
+    def.format.video.bFlagErrorConcealment = OMX_FALSE;
+
+    def.format.video.eCompressionFormat =
+        mMode == MODE_MPEG4 ? OMX_VIDEO_CodingMPEG4 : OMX_VIDEO_CodingH263;
+
+    def.format.video.eColorFormat = OMX_COLOR_FormatUnused;
+    def.format.video.pNativeWindow = NULL;
+
+    addPort(def);
+
+    def.nPortIndex = 1;
+    def.eDir = OMX_DirOutput;
+    def.nBufferCountMin = kNumOutputBuffers;
+    def.nBufferCountActual = def.nBufferCountMin;
+    def.bEnabled = OMX_TRUE;
+    def.bPopulated = OMX_FALSE;
+    def.eDomain = OMX_PortDomainVideo;
+    def.bBuffersContiguous = OMX_FALSE;
+    def.nBufferAlignment = 2;
+
+    def.format.video.cMIMEType = const_cast<char *>(MEDIA_MIMETYPE_VIDEO_RAW);
+    def.format.video.pNativeRender = NULL;
+    def.format.video.nFrameWidth = mWidth;
+    def.format.video.nFrameHeight = mHeight;
+    def.format.video.nStride = def.format.video.nFrameWidth;
+    def.format.video.nSliceHeight = def.format.video.nFrameHeight;
+    def.format.video.nBitrate = 0;
+    def.format.video.xFramerate = 0;
+    def.format.video.bFlagErrorConcealment = OMX_FALSE;
+    def.format.video.eCompressionFormat = OMX_VIDEO_CodingUnused;
+    def.format.video.eColorFormat = OMX_COLOR_FormatYUV420Planar;
+    def.format.video.pNativeWindow = NULL;
+
+    def.nBufferSize =
+        (def.format.video.nFrameWidth * def.format.video.nFrameHeight * 3) / 2;
+
+    addPort(def);
+}
+
+status_t SoftMPEG4::initDecoder() {
+    memset(mHandle, 0, sizeof(tagvideoDecControls));
+    return OK;
+}
+
+OMX_ERRORTYPE SoftMPEG4::internalGetParameter(
+        OMX_INDEXTYPE index, OMX_PTR params) {
+    switch (index) {
+        case OMX_IndexParamVideoPortFormat:
+        {
+            OMX_VIDEO_PARAM_PORTFORMATTYPE *formatParams =
+                (OMX_VIDEO_PARAM_PORTFORMATTYPE *)params;
+
+            if (formatParams->nPortIndex > 1) {
+                return OMX_ErrorUndefined;
+            }
+
+            if (formatParams->nIndex != 0) {
+                return OMX_ErrorNoMore;
+            }
+
+            if (formatParams->nPortIndex == 0) {
+                formatParams->eCompressionFormat =
+                    (mMode == MODE_MPEG4)
+                        ? OMX_VIDEO_CodingMPEG4 : OMX_VIDEO_CodingH263;
+
+                formatParams->eColorFormat = OMX_COLOR_FormatUnused;
+                formatParams->xFramerate = 0;
+            } else {
+                CHECK_EQ(formatParams->nPortIndex, 1u);
+
+                formatParams->eCompressionFormat = OMX_VIDEO_CodingUnused;
+                formatParams->eColorFormat = OMX_COLOR_FormatYUV420Planar;
+                formatParams->xFramerate = 0;
+            }
+
+            return OMX_ErrorNone;
+        }
+
+        default:
+            return SimpleSoftOMXComponent::internalGetParameter(index, params);
+    }
+}
+
+OMX_ERRORTYPE SoftMPEG4::internalSetParameter(
+        OMX_INDEXTYPE index, const OMX_PTR params) {
+    switch (index) {
+        case OMX_IndexParamStandardComponentRole:
+        {
+            const OMX_PARAM_COMPONENTROLETYPE *roleParams =
+                (const OMX_PARAM_COMPONENTROLETYPE *)params;
+
+            if (mMode == MODE_MPEG4) {
+                if (strncmp((const char *)roleParams->cRole,
+                            "video_decoder.mpeg4",
+                            OMX_MAX_STRINGNAME_SIZE - 1)) {
+                    return OMX_ErrorUndefined;
+                }
+            } else {
+                if (strncmp((const char *)roleParams->cRole,
+                            "video_decoder.h263",
+                            OMX_MAX_STRINGNAME_SIZE - 1)) {
+                    return OMX_ErrorUndefined;
+                }
+            }
+
+            return OMX_ErrorNone;
+        }
+
+        case OMX_IndexParamVideoPortFormat:
+        {
+            OMX_VIDEO_PARAM_PORTFORMATTYPE *formatParams =
+                (OMX_VIDEO_PARAM_PORTFORMATTYPE *)params;
+
+            if (formatParams->nPortIndex > 1) {
+                return OMX_ErrorUndefined;
+            }
+
+            if (formatParams->nIndex != 0) {
+                return OMX_ErrorNoMore;
+            }
+
+            return OMX_ErrorNone;
+        }
+
+        default:
+            return SimpleSoftOMXComponent::internalSetParameter(index, params);
+    }
+}
+
+OMX_ERRORTYPE SoftMPEG4::getConfig(
+        OMX_INDEXTYPE index, OMX_PTR params) {
+    switch (index) {
+        case OMX_IndexConfigCommonOutputCrop:
+        {
+            OMX_CONFIG_RECTTYPE *rectParams = (OMX_CONFIG_RECTTYPE *)params;
+
+            if (rectParams->nPortIndex != 1) {
+                return OMX_ErrorUndefined;
+            }
+
+            rectParams->nLeft = mCropLeft;
+            rectParams->nTop = mCropTop;
+            rectParams->nWidth = mCropRight - mCropLeft + 1;
+            rectParams->nHeight = mCropBottom - mCropTop + 1;
+
+            return OMX_ErrorNone;
+        }
+
+        default:
+            return OMX_ErrorUnsupportedIndex;
+    }
+}
+
+void SoftMPEG4::onQueueFilled(OMX_U32 portIndex) {
+    if (mSignalledError || mOutputPortSettingsChange != NONE) {
+        return;
+    }
+
+    List<BufferInfo *> &inQueue = getPortQueue(0);
+    List<BufferInfo *> &outQueue = getPortQueue(1);
+
+    while (!inQueue.empty() && outQueue.size() == kNumOutputBuffers) {
+        BufferInfo *inInfo = *inQueue.begin();
+        OMX_BUFFERHEADERTYPE *inHeader = inInfo->mHeader;
+
+        PortInfo *port = editPortInfo(1);
+
+        OMX_BUFFERHEADERTYPE *outHeader =
+            port->mBuffers.editItemAt(mNumSamplesOutput & 1).mHeader;
+
+        if (inHeader->nFlags & OMX_BUFFERFLAG_EOS) {
+            inQueue.erase(inQueue.begin());
+            inInfo->mOwnedByUs = false;
+            notifyEmptyBufferDone(inHeader);
+
+            ++mInputBufferCount;
+
+            outHeader->nFilledLen = 0;
+            outHeader->nFlags = OMX_BUFFERFLAG_EOS;
+
+            List<BufferInfo *>::iterator it = outQueue.begin();
+            while ((*it)->mHeader != outHeader) {
+                ++it;
+            }
+
+            BufferInfo *outInfo = *it;
+            outInfo->mOwnedByUs = false;
+            outQueue.erase(it);
+            outInfo = NULL;
+
+            notifyFillBufferDone(outHeader);
+            outHeader = NULL;
+            return;
+        }
+
+        uint8_t *bitstream = inHeader->pBuffer + inHeader->nOffset;
+
+        if (!mInitialized) {
+            uint8_t *vol_data[1];
+            int32_t vol_size = 0;
+
+            vol_data[0] = NULL;
+
+            if (inHeader->nFlags & OMX_BUFFERFLAG_CODECCONFIG) {
+                vol_data[0] = bitstream;
+                vol_size = inHeader->nFilledLen;
+            }
+
+            MP4DecodingMode mode =
+                (mMode == MODE_MPEG4) ? MPEG4_MODE : H263_MODE;
+
+            Bool success = PVInitVideoDecoder(
+                    mHandle, vol_data, &vol_size, 1, mWidth, mHeight, mode);
+
+            if (!success) {
+                LOGW("PVInitVideoDecoder failed. Unsupported content?");
+
+                notify(OMX_EventError, OMX_ErrorUndefined, 0, NULL);
+                mSignalledError = true;
+                return;
+            }
+
+            MP4DecodingMode actualMode = PVGetDecBitstreamMode(mHandle);
+            if (mode != actualMode) {
+                notify(OMX_EventError, OMX_ErrorUndefined, 0, NULL);
+                mSignalledError = true;
+                return;
+            }
+
+            PVSetPostProcType((VideoDecControls *) mHandle, 0);
+
+            if (inHeader->nFlags & OMX_BUFFERFLAG_CODECCONFIG) {
+                inInfo->mOwnedByUs = false;
+                inQueue.erase(inQueue.begin());
+                inInfo = NULL;
+                notifyEmptyBufferDone(inHeader);
+                inHeader = NULL;
+            }
+
+            mInitialized = true;
+
+            if (mode == MPEG4_MODE && portSettingsChanged()) {
+                return;
+            }
+
+            continue;
+        }
+
+        if (!mFramesConfigured) {
+            PortInfo *port = editPortInfo(1);
+            OMX_BUFFERHEADERTYPE *outHeader = port->mBuffers.editItemAt(1).mHeader;
+
+            PVSetReferenceYUV(mHandle, outHeader->pBuffer);
+
+            mFramesConfigured = true;
+        }
+
+        uint32_t timestamp = 0xFFFFFFFF;
+        int32_t bufferSize = inHeader->nFilledLen;
+
+        uint32_t useExtTimestamp = 0;
+        if (PVDecodeVideoFrame(
+                    mHandle, &bitstream, &timestamp, &bufferSize,
+                    &useExtTimestamp,
+                    outHeader->pBuffer) != PV_TRUE) {
+            LOGE("failed to decode video frame.");
+
+            notify(OMX_EventError, OMX_ErrorUndefined, 0, NULL);
+            mSignalledError = true;
+            return;
+        }
+
+        if (portSettingsChanged()) {
+            return;
+        }
+
+        outHeader->nTimeStamp = inHeader->nTimeStamp;
+
+        inInfo->mOwnedByUs = false;
+        inQueue.erase(inQueue.begin());
+        inInfo = NULL;
+        notifyEmptyBufferDone(inHeader);
+        inHeader = NULL;
+
+        ++mInputBufferCount;
+
+        outHeader->nOffset = 0;
+        outHeader->nFilledLen = (mWidth * mHeight * 3) / 2;
+        outHeader->nFlags = 0;
+
+        List<BufferInfo *>::iterator it = outQueue.begin();
+        while ((*it)->mHeader != outHeader) {
+            ++it;
+        }
+
+        BufferInfo *outInfo = *it;
+        outInfo->mOwnedByUs = false;
+        outQueue.erase(it);
+        outInfo = NULL;
+
+        notifyFillBufferDone(outHeader);
+        outHeader = NULL;
+
+        ++mNumSamplesOutput;
+    }
+}
+
+bool SoftMPEG4::portSettingsChanged() {
+    int32_t disp_width, disp_height;
+    PVGetVideoDimensions(mHandle, &disp_width, &disp_height);
+
+    int32_t buf_width, buf_height;
+    PVGetBufferDimensions(mHandle, &buf_width, &buf_height);
+
+    CHECK_LE(disp_width, buf_width);
+    CHECK_LE(disp_height, buf_height);
+
+    LOGV("disp_width = %d, disp_height = %d, buf_width = %d, buf_height = %d",
+            disp_width, disp_height, buf_width, buf_height);
+
+    if (mCropRight != disp_width - 1
+            || mCropBottom != disp_height - 1) {
+        mCropLeft = 0;
+        mCropTop = 0;
+        mCropRight = disp_width - 1;
+        mCropBottom = disp_height - 1;
+
+        notify(OMX_EventPortSettingsChanged,
+               1,
+               OMX_IndexConfigCommonOutputCrop,
+               NULL);
+    }
+
+    if (buf_width != mWidth || buf_height != mHeight) {
+        mWidth = buf_width;
+        mHeight = buf_height;
+
+        updatePortDefinitions();
+
+        if (mMode == MODE_H263) {
+            PVCleanUpVideoDecoder(mHandle);
+
+            uint8_t *vol_data[1];
+            int32_t vol_size = 0;
+
+            vol_data[0] = NULL;
+            if (!PVInitVideoDecoder(
+                    mHandle, vol_data, &vol_size, 1, mWidth, mHeight,
+                    H263_MODE)) {
+                notify(OMX_EventError, OMX_ErrorUndefined, 0, NULL);
+                mSignalledError = true;
+                return true;
+            }
+        }
+
+        mFramesConfigured = false;
+
+        notify(OMX_EventPortSettingsChanged, 1, 0, NULL);
+        mOutputPortSettingsChange = AWAITING_DISABLED;
+        return true;
+    }
+
+    return false;
+}
+
+void SoftMPEG4::onPortFlushCompleted(OMX_U32 portIndex) {
+    if (portIndex == 0 && mInitialized) {
+        CHECK_EQ((int)PVResetVideoDecoder(mHandle), (int)PV_TRUE);
+    }
+}
+
+void SoftMPEG4::onPortEnableCompleted(OMX_U32 portIndex, bool enabled) {
+    if (portIndex != 1) {
+        return;
+    }
+
+    switch (mOutputPortSettingsChange) {
+        case NONE:
+            break;
+
+        case AWAITING_DISABLED:
+        {
+            CHECK(!enabled);
+            mOutputPortSettingsChange = AWAITING_ENABLED;
+            break;
+        }
+
+        default:
+        {
+            CHECK_EQ((int)mOutputPortSettingsChange, (int)AWAITING_ENABLED);
+            CHECK(enabled);
+            mOutputPortSettingsChange = NONE;
+            break;
+        }
+    }
+}
+
+void SoftMPEG4::updatePortDefinitions() {
+    OMX_PARAM_PORTDEFINITIONTYPE *def = &editPortInfo(0)->mDef;
+    def->format.video.nFrameWidth = mWidth;
+    def->format.video.nFrameHeight = mHeight;
+    def->format.video.nStride = def->format.video.nFrameWidth;
+    def->format.video.nSliceHeight = def->format.video.nFrameHeight;
+
+    def = &editPortInfo(1)->mDef;
+    def->format.video.nFrameWidth = mWidth;
+    def->format.video.nFrameHeight = mHeight;
+    def->format.video.nStride = def->format.video.nFrameWidth;
+    def->format.video.nSliceHeight = def->format.video.nFrameHeight;
+
+    def->nBufferSize =
+        (((def->format.video.nFrameWidth + 15) & -16)
+            * ((def->format.video.nFrameHeight + 15) & -16) * 3) / 2;
+}
+
+}  // namespace android
+
+android::SoftOMXComponent *createSoftOMXComponent(
+        const char *name, const OMX_CALLBACKTYPE *callbacks,
+        OMX_PTR appData, OMX_COMPONENTTYPE **component) {
+    return new android::SoftMPEG4(name, callbacks, appData, component);
+}
+