Android硬解码 media_jni.so 源码

/* * 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. */ #include "VideoEditorVideoDecoder.h" #include "VideoEditor3gpReader.h" #include <utils/Log.h> #include "VideoBrowserInternal.h" #include "LVOSA_FileReader_optim.h" //#define M4OSA_TRACE_LEVEL 1 #if (M4OSA_TRACE_LEVEL >= 1) #undef M4OSA_TRACE1_0 #undef M4OSA_TRACE1_1 #undef M4OSA_TRACE1_2 #undef M4OSA_TRACE1_3 #define M4OSA_TRACE1_0(a) __android_log_print(ANDROID_LOG_INFO, "Thumbnail", a); #define M4OSA_TRACE1_1(a,b) __android_log_print(ANDROID_LOG_INFO, "Thumbnail", a,b); #define M4OSA_TRACE1_2(a,b,c) __android_log_print(ANDROID_LOG_INFO, "Thumbnail", a,b,c); #define M4OSA_TRACE1_3(a,b,c,d) __android_log_print(ANDROID_LOG_INFO, "Thumbnail", a,b,c,d); #endif /****************************************************************************** * M4OSA_ERR videoBrowserSetWindow( * M4OSA_Context pContext, M4OSA_UInt32 x, * M4OSA_UInt32 y, M4OSA_UInt32 dx, M4OSA_UInt32 dy); * @brief This function sets the size and the position of the display. * @param pContext (IN) : Video Browser context * @param pPixelArray (IN) : Array to hold the video frame. * @param x (IN) : Horizontal position of the top left * corner * @param y (IN) : Vertical position of the top left corner * @param dx (IN) : Width of the display window * @param dy (IN) : Height of the video window * @return M4NO_ERROR / M4ERR_PARAMETER / M4ERR_STATE / M4ERR_ALLOC ******************************************************************************/ M4OSA_ERR videoBrowserSetWindow( M4OSA_Context pContext, M4OSA_Int32 *pPixelArray, M4OSA_UInt32 x, M4OSA_UInt32 y, M4OSA_UInt32 dx, M4OSA_UInt32 dy) { VideoBrowserContext* pC = (VideoBrowserContext*)pContext; M4OSA_ERR err = M4NO_ERROR; M4OSA_TRACE2_5("videoBrowserSetWindow: entering with 0x%x %d %d %d %d ", pContext, x, y, dx, dy); /*--- Sanity checks ---*/ CHECK_PTR(videoBrowserSetWindow, pContext, err, M4ERR_PARAMETER); CHECK_PTR(videoBrowserSetWindow, pPixelArray, err, M4ERR_PARAMETER); CHECK_STATE(videoBrowserSetWindow, VideoBrowser_kVBOpened, pC); pC->m_outputPlane[0].u_topleft = 0; pC->m_outputPlane[0].u_height = dy; pC->m_outputPlane[0].u_width = dx; pC->m_x = x; pC->m_y = y; if (pC->m_frameColorType == VideoBrowser_kGB565) { pC->m_outputPlane[0].u_stride = pC->m_outputPlane[0].u_width << 1; pC->m_outputPlane[0].pac_data = (M4OSA_UInt8*)M4OSA_32bitAlignedMalloc( pC->m_outputPlane[0].u_stride * pC->m_outputPlane[0].u_height, VIDEOBROWSER, (M4OSA_Char *)"output plane"); CHECK_PTR(videoBrowserSetWindow, pC->m_outputPlane[0].pac_data, err, M4ERR_ALLOC); } else if (pC->m_frameColorType == VideoBrowser_kYUV420) { pC->m_outputPlane[0].u_stride = pC->m_outputPlane[0].u_width; pC->m_outputPlane[1].u_height = pC->m_outputPlane[0].u_height >> 1; pC->m_outputPlane[1].u_width = pC->m_outputPlane[0].u_width >> 1; pC->m_outputPlane[1].u_topleft = 0; pC->m_outputPlane[1].u_stride = pC->m_outputPlane[1].u_width; pC->m_outputPlane[2].u_height = pC->m_outputPlane[0].u_height >> 1; pC->m_outputPlane[2].u_width = pC->m_outputPlane[0].u_width >> 1; pC->m_outputPlane[2].u_topleft = 0; pC->m_outputPlane[2].u_stride = pC->m_outputPlane[2].u_width; pC->m_outputPlane[0].pac_data = (M4OSA_UInt8*)pPixelArray; CHECK_PTR(videoBrowserSetWindow, pC->m_outputPlane[0].pac_data, err, M4ERR_ALLOC); pC->m_outputPlane[1].pac_data = pC->m_outputPlane[0].pac_data + (pC->m_outputPlane[0].u_stride * pC->m_outputPlane[0].u_height); pC->m_outputPlane[2].pac_data = pC->m_outputPlane[1].pac_data + (pC->m_outputPlane[1].u_stride * pC->m_outputPlane[1].u_height); } M4OSA_TRACE2_0("videoBrowserSetWindow returned NO ERROR"); return M4NO_ERROR; videoBrowserSetWindow_cleanUp: M4OSA_TRACE2_1("videoBrowserSetWindow returned 0x%x", err); return err; } /****************************************************************************** * @brief This function allocates the resources needed for browsing a video file * @param ppContext (OUT): Pointer on a context filled by this function. * @param pURL (IN) : Path of File to browse * @param DrawMode (IN) : Indicate which method is used to draw (Direct draw etc...) * @param pfCallback (IN) : Callback function to be called when a frame must be displayed * @param pCallbackData (IN) : User defined data that will be passed as parameter of the callback * @param clrType (IN) : Required color type. * @return M4NO_ERROR / M4ERR_PARAMETER / M4ERR_STATE / M4ERR_ALLOC ******************************************************************************/ M4OSA_ERR videoBrowserCreate( M4OSA_Context* ppContext, M4OSA_Char* pURL, M4OSA_UInt32 DrawMode, M4OSA_FileReadPointer* ptrF, videoBrowser_Callback pfCallback, M4OSA_Void* pCallbackData, VideoBrowser_VideoColorType clrType) { VideoBrowserContext* pContext = M4OSA_NULL; M4READER_MediaFamily mediaFamily = M4READER_kMediaFamilyUnknown; M4_StreamHandler* pStreamHandler = M4OSA_NULL; M4_VideoStreamHandler* pVideoStreamHandler = M4OSA_NULL; M4DECODER_VideoType decoderType; M4DECODER_OutputFilter FilterOption; M4OSA_Bool deb = M4OSA_TRUE; M4OSA_ERR err = M4NO_ERROR; M4OSA_TRACE1_2( "videoBrowserCreate: entering with 0x%x 0x%x", ppContext, pURL); /*--- Sanity checks ---*/ CHECK_PTR(videoBrowserCreate, ppContext, err, M4ERR_PARAMETER); *ppContext = M4OSA_NULL ; CHECK_PTR(videoBrowserCreate, pURL, err, M4ERR_PARAMETER); /*--- Create context ---*/ pContext = (VideoBrowserContext*)M4OSA_32bitAlignedMalloc( sizeof(VideoBrowserContext), VIDEOBROWSER, (M4OSA_Char*)"Video browser context"); CHECK_PTR(videoBrowserCreate, pContext,err, M4ERR_ALLOC); memset((void *)pContext, 0,sizeof(VideoBrowserContext)); /*--- Initialize the context parameters ---*/ pContext->m_state = VideoBrowser_kVBCreating ; pContext->m_frameColorType = clrType; /*--- Copy the file reader functions ---*/ memcpy((void *)&pContext->m_fileReadPtr, (void *)ptrF, sizeof(M4OSA_FileReadPointer)) ; /* PR#SP00013 DGR bug 13 : first frame is not visible */ pContext->m_drawmode = DrawMode; /* Retrieve the 3gp reader interface */ VideoEditor3gpReader_getInterface(&pContext->m_mediaType, &pContext->m_3gpReader, &pContext->m_3gpData); CHECK_PTR(videoBrowserCreate, pContext->m_3gpReader, err, M4ERR_ALLOC); CHECK_PTR(videoBrowserCreate, pContext->m_3gpData, err, M4ERR_ALLOC); /*--- Create the file reader ---*/ err = pContext->m_3gpReader->m_pFctCreate(&pContext->m_pReaderCtx); CHECK_ERR(videoBrowserCreate, err); CHECK_PTR(videoBrowserCreate, pContext->m_pReaderCtx, err, M4ERR_ALLOC); pContext->m_3gpData->m_readerContext = pContext->m_pReaderCtx; /*--- Set the OSAL file reader functions ---*/ err = pContext->m_3gpRead