SurfaceMediaSource.cpp revision 404a123bed7f180724ead17f10e037b3eb347701
13399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi/* 23399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi * Copyright (C) 2011 The Android Open Source Project 33399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi * 43399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi * Licensed under the Apache License, Version 2.0 (the "License"); 53399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi * you may not use this file except in compliance with the License. 63399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi * You may obtain a copy of the License at 73399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi * 83399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi * http://www.apache.org/licenses/LICENSE-2.0 93399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi * 103399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi * Unless required by applicable law or agreed to in writing, software 113399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi * distributed under the License is distributed on an "AS IS" BASIS, 123399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 133399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi * See the License for the specific language governing permissions and 143399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi * limitations under the License. 153399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi */ 167dc9b309f1ce01308bcfde9948ebfece32dc2870Pannag Sanketi//#define LOG_NDEBUG 0 171a2fafbaa36390a06cc9a066fcbe147c8c47ea77Pannag Sanketi#define LOG_TAG "SurfaceMediaSource" 183399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 191a2fafbaa36390a06cc9a066fcbe147c8c47ea77Pannag Sanketi#include <media/stagefright/SurfaceMediaSource.h> 203399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi#include <ui/GraphicBuffer.h> 213399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi#include <media/stagefright/MetaData.h> 223399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi#include <media/stagefright/MediaDefs.h> 233399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi#include <media/stagefright/MediaDebug.h> 243399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi#include <media/stagefright/openmax/OMX_IVCommon.h> 25a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi#include <media/stagefright/MetadataBufferType.h> 263399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 273399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi#include <surfaceflinger/ISurfaceComposer.h> 283399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi#include <surfaceflinger/SurfaceComposerClient.h> 293399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi#include <surfaceflinger/IGraphicBufferAlloc.h> 303399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi#include <OMX_Component.h> 313399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 323399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi#include <utils/Log.h> 333399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi#include <utils/String8.h> 343399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 35404a123bed7f180724ead17f10e037b3eb347701Mathias Agopian#include <private/gui/ComposerService.h> 36404a123bed7f180724ead17f10e037b3eb347701Mathias Agopian 373399b7267185646c69b04352211fca4fad9d7547Pannag Sanketinamespace android { 383399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 391a2fafbaa36390a06cc9a066fcbe147c8c47ea77Pannag SanketiSurfaceMediaSource::SurfaceMediaSource(uint32_t bufW, uint32_t bufH) : 40b33f3407bab0970a7f9241680723a1140b177c50Pannag Sanketi mDefaultWidth(bufW), 41b33f3407bab0970a7f9241680723a1140b177c50Pannag Sanketi mDefaultHeight(bufH), 42b33f3407bab0970a7f9241680723a1140b177c50Pannag Sanketi mPixelFormat(0), 43b33f3407bab0970a7f9241680723a1140b177c50Pannag Sanketi mBufferCount(MIN_ASYNC_BUFFER_SLOTS), 44b33f3407bab0970a7f9241680723a1140b177c50Pannag Sanketi mClientBufferCount(0), 45b33f3407bab0970a7f9241680723a1140b177c50Pannag Sanketi mServerBufferCount(MIN_ASYNC_BUFFER_SLOTS), 46b33f3407bab0970a7f9241680723a1140b177c50Pannag Sanketi mCurrentSlot(INVALID_BUFFER_SLOT), 47b33f3407bab0970a7f9241680723a1140b177c50Pannag Sanketi mCurrentTimestamp(0), 48b33f3407bab0970a7f9241680723a1140b177c50Pannag Sanketi mSynchronousMode(true), 49b33f3407bab0970a7f9241680723a1140b177c50Pannag Sanketi mConnectedApi(NO_CONNECTED_API), 50b33f3407bab0970a7f9241680723a1140b177c50Pannag Sanketi mFrameRate(30), 51df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala mStopped(false), 520c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mNumFramesReceived(0), 530c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mNumFramesEncoded(0), 54df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala mFirstFrameTimestamp(0) { 553856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("SurfaceMediaSource::SurfaceMediaSource"); 563399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi sp<ISurfaceComposer> composer(ComposerService::getComposerService()); 573399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mGraphicBufferAlloc = composer->createGraphicBufferAlloc(); 583399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 593399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 601a2fafbaa36390a06cc9a066fcbe147c8c47ea77Pannag SanketiSurfaceMediaSource::~SurfaceMediaSource() { 613856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("SurfaceMediaSource::~SurfaceMediaSource"); 620c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi if (!mStopped) { 633399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi stop(); 643399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 653399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 663399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 671a2fafbaa36390a06cc9a066fcbe147c8c47ea77Pannag Sanketisize_t SurfaceMediaSource::getQueuedCount() const { 683399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi Mutex::Autolock lock(mMutex); 693399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return mQueue.size(); 703399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 713399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 721a2fafbaa36390a06cc9a066fcbe147c8c47ea77Pannag Sanketistatus_t SurfaceMediaSource::setBufferCountServerLocked(int bufferCount) { 733399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (bufferCount > NUM_BUFFER_SLOTS) 743399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return BAD_VALUE; 753399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 763399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // special-case, nothing to do 773399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (bufferCount == mBufferCount) 783399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return OK; 793399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 803399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (!mClientBufferCount && 813399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi bufferCount >= mBufferCount) { 823399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // easy, we just have more buffers 833399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mBufferCount = bufferCount; 843399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mServerBufferCount = bufferCount; 853399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mDequeueCondition.signal(); 863399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } else { 873399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // we're here because we're either 883399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // - reducing the number of available buffers 893399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // - or there is a client-buffer-count in effect 903399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 913399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // less than 2 buffers is never allowed 923399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (bufferCount < 2) 933399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return BAD_VALUE; 943399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 953399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // when there is non client-buffer-count in effect, the client is not 963399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // allowed to dequeue more than one buffer at a time, 973399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // so the next time they dequeue a buffer, we know that they don't 983399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // own one. the actual resizing will happen during the next 993399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // dequeueBuffer. 1003399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 1013399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mServerBufferCount = bufferCount; 1023399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 1033399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return OK; 1043399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 1053399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 1063399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi// Called from the consumer side 1071a2fafbaa36390a06cc9a066fcbe147c8c47ea77Pannag Sanketistatus_t SurfaceMediaSource::setBufferCountServer(int bufferCount) { 1083399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi Mutex::Autolock lock(mMutex); 1093399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return setBufferCountServerLocked(bufferCount); 1103399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 1113399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 1121a2fafbaa36390a06cc9a066fcbe147c8c47ea77Pannag Sanketistatus_t SurfaceMediaSource::setBufferCount(int bufferCount) { 1133856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("SurfaceMediaSource::setBufferCount"); 1143399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (bufferCount > NUM_BUFFER_SLOTS) { 1153399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi LOGE("setBufferCount: bufferCount is larger than the number of buffer slots"); 1163399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return BAD_VALUE; 1173399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 1183399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 1193399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi Mutex::Autolock lock(mMutex); 1203399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // Error out if the user has dequeued buffers 1213399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi for (int i = 0 ; i < mBufferCount ; i++) { 1223399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (mSlots[i].mBufferState == BufferSlot::DEQUEUED) { 1233399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi LOGE("setBufferCount: client owns some buffers"); 1243399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return INVALID_OPERATION; 1253399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 1263399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 1273399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 1283399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (bufferCount == 0) { 1293399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi const int minBufferSlots = mSynchronousMode ? 1303399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi MIN_SYNC_BUFFER_SLOTS : MIN_ASYNC_BUFFER_SLOTS; 1313399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mClientBufferCount = 0; 1323399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi bufferCount = (mServerBufferCount >= minBufferSlots) ? 1333399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mServerBufferCount : minBufferSlots; 1343399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return setBufferCountServerLocked(bufferCount); 1353399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 1363399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 1373399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // We don't allow the client to set a buffer-count less than 1383399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // MIN_ASYNC_BUFFER_SLOTS (3), there is no reason for it. 1393399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (bufferCount < MIN_ASYNC_BUFFER_SLOTS) { 1403399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return BAD_VALUE; 1413399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 1423399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 1433399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // here we're guaranteed that the client doesn't have dequeued buffers 1443399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // and will release all of its buffer references. 1453399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mBufferCount = bufferCount; 1463399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mClientBufferCount = bufferCount; 1473399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mCurrentSlot = INVALID_BUFFER_SLOT; 1483399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mQueue.clear(); 1493399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mDequeueCondition.signal(); 1500c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi freeAllBuffersLocked(); 1513399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return OK; 1523399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 1533399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 15429a142c7237821b6dc7bd1e8b56bb1efdc56767bJamie Gennisstatus_t SurfaceMediaSource::requestBuffer(int slot, sp<GraphicBuffer>* buf) { 1553856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("SurfaceMediaSource::requestBuffer"); 1563399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi Mutex::Autolock lock(mMutex); 15729a142c7237821b6dc7bd1e8b56bb1efdc56767bJamie Gennis if (slot < 0 || mBufferCount <= slot) { 1583399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi LOGE("requestBuffer: slot index out of range [0, %d]: %d", 15929a142c7237821b6dc7bd1e8b56bb1efdc56767bJamie Gennis mBufferCount, slot); 16029a142c7237821b6dc7bd1e8b56bb1efdc56767bJamie Gennis return BAD_VALUE; 1613399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 16229a142c7237821b6dc7bd1e8b56bb1efdc56767bJamie Gennis mSlots[slot].mRequestBufferCalled = true; 16329a142c7237821b6dc7bd1e8b56bb1efdc56767bJamie Gennis *buf = mSlots[slot].mGraphicBuffer; 16429a142c7237821b6dc7bd1e8b56bb1efdc56767bJamie Gennis return NO_ERROR; 1653399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 1663399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 1671a2fafbaa36390a06cc9a066fcbe147c8c47ea77Pannag Sanketistatus_t SurfaceMediaSource::dequeueBuffer(int *outBuf, uint32_t w, uint32_t h, 1683399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi uint32_t format, uint32_t usage) { 1693856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("dequeueBuffer"); 1700c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi Mutex::Autolock lock(mMutex); 1713399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 1723399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // Check for the buffer size- the client should just use the 1733399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // default width and height, and not try to set those. 1743399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // This is needed since 1753399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // the getFormat() returns mDefaultWidth/ Height for the OMX. It is 1763399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // queried by OMX in the beginning and not every time a frame comes. 1773399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // Not sure if there is a way to update the 1783399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // frame size while recording. So as of now, the client side 1793399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // sets the default values via the constructor, and the encoder is 1803399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // setup to encode frames of that size 1813399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // The design might need to change in the future. 1823399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // TODO: Currently just uses mDefaultWidth/Height. In the future 1833399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // we might declare mHeight and mWidth and check against those here. 1843399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if ((w != 0) || (h != 0)) { 185f76e1672c674620cb056f338a25ee4826d55dfcbPannag Sanketi if ((w != mDefaultWidth) || (h != mDefaultHeight)) { 186f76e1672c674620cb056f338a25ee4826d55dfcbPannag Sanketi LOGE("dequeuebuffer: invalid buffer size! Req: %dx%d, Found: %dx%d", 187f76e1672c674620cb056f338a25ee4826d55dfcbPannag Sanketi mDefaultWidth, mDefaultHeight, w, h); 188f76e1672c674620cb056f338a25ee4826d55dfcbPannag Sanketi return BAD_VALUE; 189f76e1672c674620cb056f338a25ee4826d55dfcbPannag Sanketi } 1903399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 1913399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 1923399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi status_t returnFlags(OK); 1933399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi int found, foundSync; 1943399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi int dequeuedCount = 0; 1953399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi bool tryAgain = true; 1963399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi while (tryAgain) { 1973399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // We need to wait for the FIFO to drain if the number of buffer 1983399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // needs to change. 1993399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // 2003399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // The condition "number of buffer needs to change" is true if 2013399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // - the client doesn't care about how many buffers there are 2023399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // - AND the actual number of buffer is different from what was 2033399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // set in the last setBufferCountServer() 2043399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // - OR - 2053399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // setBufferCountServer() was set to a value incompatible with 2063399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // the synchronization mode (for instance because the sync mode 2073399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // changed since) 2083399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // 2093399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // As long as this condition is true AND the FIFO is not empty, we 2103399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // wait on mDequeueCondition. 2113399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 2123399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi int minBufferCountNeeded = mSynchronousMode ? 2133399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi MIN_SYNC_BUFFER_SLOTS : MIN_ASYNC_BUFFER_SLOTS; 2143399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 2153399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (!mClientBufferCount && 2163399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi ((mServerBufferCount != mBufferCount) || 2173399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi (mServerBufferCount < minBufferCountNeeded))) { 2183399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // wait for the FIFO to drain 2193399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi while (!mQueue.isEmpty()) { 2203856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Waiting for the FIFO to drain"); 2213399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mDequeueCondition.wait(mMutex); 2223399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 2230c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi if (mStopped) { 2240c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi return NO_INIT; 2250c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi } 2263399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // need to check again since the mode could have changed 2273399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // while we were waiting 2283399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi minBufferCountNeeded = mSynchronousMode ? 2293399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi MIN_SYNC_BUFFER_SLOTS : MIN_ASYNC_BUFFER_SLOTS; 2303399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 2313399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 2323399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (!mClientBufferCount && 2333399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi ((mServerBufferCount != mBufferCount) || 2343399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi (mServerBufferCount < minBufferCountNeeded))) { 2353399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // here we're guaranteed that mQueue is empty 2360c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi freeAllBuffersLocked(); 2373399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mBufferCount = mServerBufferCount; 2383399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (mBufferCount < minBufferCountNeeded) 2393399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mBufferCount = minBufferCountNeeded; 2403399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mCurrentSlot = INVALID_BUFFER_SLOT; 2413399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi returnFlags |= ISurfaceTexture::RELEASE_ALL_BUFFERS; 2423399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 2433399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 2443399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // look for a free buffer to give to the client 2453399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi found = INVALID_BUFFER_SLOT; 2463399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi foundSync = INVALID_BUFFER_SLOT; 2473399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi dequeuedCount = 0; 2483399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi for (int i = 0; i < mBufferCount; i++) { 2493399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi const int state = mSlots[i].mBufferState; 2503399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (state == BufferSlot::DEQUEUED) { 2513399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi dequeuedCount++; 2523399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi continue; // won't be continuing if could 2533399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // dequeue a non 'FREE' current slot like 2543399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // that in SurfaceTexture 2553399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 2563399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // In case of Encoding, we do not deque the mCurrentSlot buffer 2573399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // since we follow synchronous mode (unlike possibly in 2583399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // SurfaceTexture that could be using the asynch mode 2593399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // or has some mechanism in GL to be able to wait till the 2603399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // currentslot is done using the data) 2613399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // Here, we have to wait for the MPEG4Writer(or equiv) 2623399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // to tell us when it's done using the current buffer 2633399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (state == BufferSlot::FREE) { 2643399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi foundSync = i; 2653399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // Unlike that in SurfaceTexture, 2663399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // We don't need to worry if it is the 2673399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // currentslot or not as it is in state FREE 2683399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi found = i; 2693399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi break; 2703399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 2713399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 2723399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 2733399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // clients are not allowed to dequeue more than one buffer 2743399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // if they didn't set a buffer count. 2753399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (!mClientBufferCount && dequeuedCount) { 2763399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return -EINVAL; 2773399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 2783399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 2793399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // See whether a buffer has been queued since the last setBufferCount so 2803399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // we know whether to perform the MIN_UNDEQUEUED_BUFFERS check below. 2813399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi bool bufferHasBeenQueued = mCurrentSlot != INVALID_BUFFER_SLOT; 2823399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (bufferHasBeenQueued) { 2833399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // make sure the client is not trying to dequeue more buffers 2843399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // than allowed. 2853399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi const int avail = mBufferCount - (dequeuedCount+1); 2863399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (avail < (MIN_UNDEQUEUED_BUFFERS-int(mSynchronousMode))) { 2873399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi LOGE("dequeueBuffer: MIN_UNDEQUEUED_BUFFERS=%d exceeded (dequeued=%d)", 2883399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi MIN_UNDEQUEUED_BUFFERS-int(mSynchronousMode), 2893399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi dequeuedCount); 2903399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return -EBUSY; 2913399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 2923399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 2933399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 2943399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // we're in synchronous mode and didn't find a buffer, we need to wait 2953399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // for for some buffers to be consumed 2963399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi tryAgain = mSynchronousMode && (foundSync == INVALID_BUFFER_SLOT); 2973399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (tryAgain) { 2983856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Waiting..In synchronous mode and no buffer to dequeue"); 2993399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mDequeueCondition.wait(mMutex); 3003399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 3010c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi if (mStopped) { 3020c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi return NO_INIT; 3030c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi } 3043399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 3053399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 3063399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (mSynchronousMode && found == INVALID_BUFFER_SLOT) { 3073399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // foundSync guaranteed to be != INVALID_BUFFER_SLOT 3083399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi found = foundSync; 3093399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 3103399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 3113399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (found == INVALID_BUFFER_SLOT) { 3123399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return -EBUSY; 3133399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 3143399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 3150c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi const int bufIndex = found; 3163399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi *outBuf = found; 3173399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 3183399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi const bool useDefaultSize = !w && !h; 3193399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (useDefaultSize) { 3203399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // use the default size 3213399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi w = mDefaultWidth; 3223399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi h = mDefaultHeight; 3233399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 3243399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 3253399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi const bool updateFormat = (format != 0); 3263399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (!updateFormat) { 3273399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // keep the current (or default) format 3283399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi format = mPixelFormat; 3293399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 3303399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 3313399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // buffer is now in DEQUEUED (but can also be current at the same time, 3323399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // if we're in synchronous mode) 3330c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mSlots[bufIndex].mBufferState = BufferSlot::DEQUEUED; 3343399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 3350c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi const sp<GraphicBuffer>& buffer(mSlots[bufIndex].mGraphicBuffer); 3363399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if ((buffer == NULL) || 3373399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi (uint32_t(buffer->width) != w) || 3383399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi (uint32_t(buffer->height) != h) || 3393399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi (uint32_t(buffer->format) != format) || 3403399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi ((uint32_t(buffer->usage) & usage) != usage)) { 3413399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi usage |= GraphicBuffer::USAGE_HW_TEXTURE; 3423399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi status_t error; 3433399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi sp<GraphicBuffer> graphicBuffer( 3443399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mGraphicBufferAlloc->createGraphicBuffer( 3453399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi w, h, format, usage, &error)); 3463399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (graphicBuffer == 0) { 3473399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi LOGE("dequeueBuffer: SurfaceComposer::createGraphicBuffer failed"); 3483399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return error; 3493399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 3503399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (updateFormat) { 3513399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mPixelFormat = format; 3523399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 3530c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mSlots[bufIndex].mGraphicBuffer = graphicBuffer; 3540c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mSlots[bufIndex].mRequestBufferCalled = false; 3553399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi returnFlags |= ISurfaceTexture::BUFFER_NEEDS_REALLOCATION; 3563399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 3573399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return returnFlags; 3583399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 3593399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 3600c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi// TODO: clean this up 3611a2fafbaa36390a06cc9a066fcbe147c8c47ea77Pannag Sanketistatus_t SurfaceMediaSource::setSynchronousMode(bool enabled) { 3623399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi Mutex::Autolock lock(mMutex); 3630c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi if (mStopped) { 3640c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi LOGE("setSynchronousMode: SurfaceMediaSource has been stopped!"); 3650c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi return NO_INIT; 3660c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi } 3673399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 3683399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (!enabled) { 3690c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi // Async mode is not allowed 3700c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi LOGE("SurfaceMediaSource can be used only synchronous mode!"); 3710c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi return INVALID_OPERATION; 3723399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 3733399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 3743399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (mSynchronousMode != enabled) { 3753399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // - if we're going to asynchronous mode, the queue is guaranteed to be 3763399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // empty here 3773399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // - if the client set the number of buffers, we're guaranteed that 3783399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // we have at least 3 (because we don't allow less) 3793399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mSynchronousMode = enabled; 3803399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mDequeueCondition.signal(); 3813399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 3820c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi return OK; 3833399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 3843399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 385820a509687599edb8ff1a7577de8b9295f416263Mathias Agopianstatus_t SurfaceMediaSource::connect(int api, 386820a509687599edb8ff1a7577de8b9295f416263Mathias Agopian uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) { 3873856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("SurfaceMediaSource::connect"); 3883399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi Mutex::Autolock lock(mMutex); 3890c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi 3900c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi if (mStopped) { 3910c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi LOGE("Connect: SurfaceMediaSource has been stopped!"); 3920c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi return NO_INIT; 3930c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi } 3940c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi 395b33f3407bab0970a7f9241680723a1140b177c50Pannag Sanketi status_t err = NO_ERROR; 3963399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi switch (api) { 3973399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi case NATIVE_WINDOW_API_EGL: 3983399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi case NATIVE_WINDOW_API_CPU: 3993399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi case NATIVE_WINDOW_API_MEDIA: 4003399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi case NATIVE_WINDOW_API_CAMERA: 4013399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (mConnectedApi != NO_CONNECTED_API) { 4023399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi err = -EINVAL; 4033399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } else { 4043399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mConnectedApi = api; 405820a509687599edb8ff1a7577de8b9295f416263Mathias Agopian *outWidth = mDefaultWidth; 406820a509687599edb8ff1a7577de8b9295f416263Mathias Agopian *outHeight = mDefaultHeight; 407820a509687599edb8ff1a7577de8b9295f416263Mathias Agopian *outTransform = 0; 4083399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 4093399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi break; 4103399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi default: 4113399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi err = -EINVAL; 4123399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi break; 4133399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 4143399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return err; 4153399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 4163399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 4170c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi// This is called by the client side when it is done 4180c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi// TODO: Currently, this also sets mStopped to true which 4190c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi// is needed for unblocking the encoder which might be 4200c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi// waiting to read more frames. So if on the client side, 4210c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi// the same thread supplies the frames and also calls stop 4220c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi// on the encoder, the client has to call disconnect before 4230c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi// it calls stop. 4240c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi// In the case of the camera, 4250c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi// that need not be required since the thread supplying the 4260c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi// frames is separate than the one calling stop. 4271a2fafbaa36390a06cc9a066fcbe147c8c47ea77Pannag Sanketistatus_t SurfaceMediaSource::disconnect(int api) { 4283856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("SurfaceMediaSource::disconnect"); 4293399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi Mutex::Autolock lock(mMutex); 4300c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi 4310c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi if (mStopped) { 4320c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi LOGE("disconnect: SurfaceMediaSoource is already stopped!"); 4330c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi return NO_INIT; 4340c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi } 4350c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi 436b33f3407bab0970a7f9241680723a1140b177c50Pannag Sanketi status_t err = NO_ERROR; 4373399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi switch (api) { 4383399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi case NATIVE_WINDOW_API_EGL: 4393399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi case NATIVE_WINDOW_API_CPU: 4403399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi case NATIVE_WINDOW_API_MEDIA: 4413399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi case NATIVE_WINDOW_API_CAMERA: 4423399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (mConnectedApi == api) { 4433399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mConnectedApi = NO_CONNECTED_API; 4440c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mStopped = true; 4450c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mDequeueCondition.signal(); 4460c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mFrameAvailableCondition.signal(); 4473399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } else { 4483399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi err = -EINVAL; 4493399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 4503399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi break; 4513399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi default: 4523399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi err = -EINVAL; 4533399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi break; 4543399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 4553399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return err; 4563399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 4573399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 4580c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketistatus_t SurfaceMediaSource::queueBuffer(int bufIndex, int64_t timestamp, 4593399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) { 4603856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("queueBuffer"); 4613399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 4623399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi Mutex::Autolock lock(mMutex); 4637dc9b309f1ce01308bcfde9948ebfece32dc2870Pannag Sanketi *outWidth = mDefaultWidth; 4647dc9b309f1ce01308bcfde9948ebfece32dc2870Pannag Sanketi *outHeight = mDefaultHeight; 4657dc9b309f1ce01308bcfde9948ebfece32dc2870Pannag Sanketi *outTransform = 0; 4667dc9b309f1ce01308bcfde9948ebfece32dc2870Pannag Sanketi 4670c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi if (bufIndex < 0 || bufIndex >= mBufferCount) { 4683399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi LOGE("queueBuffer: slot index out of range [0, %d]: %d", 4690c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mBufferCount, bufIndex); 4703399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return -EINVAL; 4710c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi } else if (mSlots[bufIndex].mBufferState != BufferSlot::DEQUEUED) { 4723399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi LOGE("queueBuffer: slot %d is not owned by the client (state=%d)", 4730c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi bufIndex, mSlots[bufIndex].mBufferState); 4743399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return -EINVAL; 4750c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi } else if (!mSlots[bufIndex].mRequestBufferCalled) { 4763399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi LOGE("queueBuffer: slot %d was enqueued without requesting a " 4770c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi "buffer", bufIndex); 4783399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return -EINVAL; 4793399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 4803399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 481df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala if (mNumFramesReceived == 0) { 482df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala mFirstFrameTimestamp = timestamp; 483df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala // Initial delay 484df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala if (mStartTimeNs > 0) { 485df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala if (timestamp < mStartTimeNs) { 486df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala // This frame predates start of record, discard 487df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala mSlots[bufIndex].mBufferState = BufferSlot::FREE; 488df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala mDequeueCondition.signal(); 489df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala return OK; 490df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala } 491df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala mStartTimeNs = timestamp - mStartTimeNs; 492df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala } 493df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala } 494df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala timestamp = mStartTimeNs + (timestamp - mFirstFrameTimestamp); 495df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala 496df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala mNumFramesReceived++; 4973399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (mSynchronousMode) { 4983399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // in synchronous mode we queue all buffers in a FIFO 4990c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mQueue.push_back(bufIndex); 5003856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Client queued buf# %d @slot: %d, Q size = %d, handle = %p, timestamp = %lld", 5010c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mNumFramesReceived, bufIndex, mQueue.size(), 5020c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mSlots[bufIndex].mGraphicBuffer->handle, timestamp); 5033399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } else { 5043399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // in asynchronous mode we only keep the most recent buffer 5053399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (mQueue.empty()) { 5060c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mQueue.push_back(bufIndex); 5073399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } else { 5083399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi Fifo::iterator front(mQueue.begin()); 5093399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // buffer currently queued is freed 5103399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mSlots[*front].mBufferState = BufferSlot::FREE; 5113399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // and we record the new buffer index in the queued list 5120c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi *front = bufIndex; 5133399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 5143399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 5153399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 5160c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mSlots[bufIndex].mBufferState = BufferSlot::QUEUED; 5170c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mSlots[bufIndex].mTimestamp = timestamp; 5183399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // TODO: (Confirm) Don't want to signal dequeue here. 5193399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // May be just in asynchronous mode? 5203399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // mDequeueCondition.signal(); 5213399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 5223399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // Once the queuing is done, we need to let the listener 5233399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // and signal the buffer consumer (encoder) know that a 5243399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // buffer is available 5253399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi onFrameReceivedLocked(); 5263399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 5273399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 5283399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return OK; 5293399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 5303399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 5313399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 5323399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi// onFrameReceivedLocked informs the buffer consumers (StageFrightRecorder) 5333399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi// or listeners that a frame has been received 5343399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi// It is supposed to be called only from queuebuffer. 5353399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi// The buffer is NOT made available for dequeueing immediately. We need to 5363399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi// wait to hear from StageFrightRecorder to set the buffer FREE 5373399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi// Make sure this is called when the mutex is locked 5381a2fafbaa36390a06cc9a066fcbe147c8c47ea77Pannag Sanketistatus_t SurfaceMediaSource::onFrameReceivedLocked() { 5393856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("On Frame Received locked"); 5403399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // Signal the encoder that a new frame has arrived 5413399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mFrameAvailableCondition.signal(); 5423399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 5433399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // call back the listener 5441a2fafbaa36390a06cc9a066fcbe147c8c47ea77Pannag Sanketi // TODO: The listener may not be needed in SurfaceMediaSource at all. 5453399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // This can be made a SurfaceTexture specific thing 5463399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi sp<FrameAvailableListener> listener; 5473399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (mSynchronousMode || mQueue.empty()) { 5483399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi listener = mFrameAvailableListener; 5493399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 5503399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 5513399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (listener != 0) { 5523399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi listener->onFrameAvailable(); 5533399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 5543399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return OK; 5553399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 5563399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 5573399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 5580c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketivoid SurfaceMediaSource::cancelBuffer(int bufIndex) { 5593856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("SurfaceMediaSource::cancelBuffer"); 5603399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi Mutex::Autolock lock(mMutex); 5610c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi if (bufIndex < 0 || bufIndex >= mBufferCount) { 5623399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi LOGE("cancelBuffer: slot index out of range [0, %d]: %d", 5630c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mBufferCount, bufIndex); 5643399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return; 5650c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi } else if (mSlots[bufIndex].mBufferState != BufferSlot::DEQUEUED) { 5663399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi LOGE("cancelBuffer: slot %d is not owned by the client (state=%d)", 5670c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi bufIndex, mSlots[bufIndex].mBufferState); 5683399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return; 5693399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 5700c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mSlots[bufIndex].mBufferState = BufferSlot::FREE; 5713399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mDequeueCondition.signal(); 5723399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 5733399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 5741a2fafbaa36390a06cc9a066fcbe147c8c47ea77Pannag Sanketinsecs_t SurfaceMediaSource::getTimestamp() { 5753856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("SurfaceMediaSource::getTimestamp"); 5763399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi Mutex::Autolock lock(mMutex); 5773399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return mCurrentTimestamp; 5783399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 5793399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 5803399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 5811a2fafbaa36390a06cc9a066fcbe147c8c47ea77Pannag Sanketivoid SurfaceMediaSource::setFrameAvailableListener( 5823399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi const sp<FrameAvailableListener>& listener) { 5833856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("SurfaceMediaSource::setFrameAvailableListener"); 5843399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi Mutex::Autolock lock(mMutex); 5853399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mFrameAvailableListener = listener; 5863399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 5873399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 5880c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketivoid SurfaceMediaSource::freeAllBuffersLocked() { 5893856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("freeAllBuffersLocked"); 5903399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi for (int i = 0; i < NUM_BUFFER_SLOTS; i++) { 5913399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mSlots[i].mGraphicBuffer = 0; 5923399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mSlots[i].mBufferState = BufferSlot::FREE; 5933399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 5943399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 5953399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 5961a2fafbaa36390a06cc9a066fcbe147c8c47ea77Pannag Sanketisp<GraphicBuffer> SurfaceMediaSource::getCurrentBuffer() const { 5973399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi Mutex::Autolock lock(mMutex); 5983399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return mCurrentBuf; 5993399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 6003399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 6011a2fafbaa36390a06cc9a066fcbe147c8c47ea77Pannag Sanketiint SurfaceMediaSource::query(int what, int* outValue) 6023399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi{ 6033856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("query"); 6043399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi Mutex::Autolock lock(mMutex); 6053399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi int value; 6063399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi switch (what) { 6073399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi case NATIVE_WINDOW_WIDTH: 6083399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi value = mDefaultWidth; 6093399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (!mDefaultWidth && !mDefaultHeight && mCurrentBuf != 0) 6103399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi value = mCurrentBuf->width; 6113399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi break; 6123399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi case NATIVE_WINDOW_HEIGHT: 6133399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi value = mDefaultHeight; 6143399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (!mDefaultWidth && !mDefaultHeight && mCurrentBuf != 0) 6153399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi value = mCurrentBuf->height; 6163399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi break; 6173399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi case NATIVE_WINDOW_FORMAT: 6183399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi value = mPixelFormat; 6193399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi break; 6203399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi case NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS: 6213399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi value = mSynchronousMode ? 6223399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi (MIN_UNDEQUEUED_BUFFERS-1) : MIN_UNDEQUEUED_BUFFERS; 6233399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi break; 6243399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi default: 6253399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return BAD_VALUE; 6263399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 6273399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi outValue[0] = value; 6283399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return NO_ERROR; 6293399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 6303399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 6311a2fafbaa36390a06cc9a066fcbe147c8c47ea77Pannag Sanketivoid SurfaceMediaSource::dump(String8& result) const 6323399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi{ 6333399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi char buffer[1024]; 6343399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi dump(result, "", buffer, 1024); 6353399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 6363399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 6371a2fafbaa36390a06cc9a066fcbe147c8c47ea77Pannag Sanketivoid SurfaceMediaSource::dump(String8& result, const char* prefix, 6383399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi char* buffer, size_t SIZE) const 6393399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi{ 6403399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi Mutex::Autolock _l(mMutex); 6413399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi snprintf(buffer, SIZE, 6423399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi "%smBufferCount=%d, mSynchronousMode=%d, default-size=[%dx%d], " 6433399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi "mPixelFormat=%d, \n", 6443399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi prefix, mBufferCount, mSynchronousMode, mDefaultWidth, mDefaultHeight, 6453399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mPixelFormat); 6463399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi result.append(buffer); 6473399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 6483399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi String8 fifo; 6493399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi int fifoSize = 0; 6503399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi Fifo::const_iterator i(mQueue.begin()); 6513399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi while (i != mQueue.end()) { 6523399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi snprintf(buffer, SIZE, "%02d ", *i++); 6533399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi fifoSize++; 6543399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi fifo.append(buffer); 6553399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 6563399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 6573399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi result.append(buffer); 6583399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 6593399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi struct { 6603399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi const char * operator()(int state) const { 6613399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi switch (state) { 6623399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi case BufferSlot::DEQUEUED: return "DEQUEUED"; 6633399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi case BufferSlot::QUEUED: return "QUEUED"; 6643399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi case BufferSlot::FREE: return "FREE"; 6653399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi default: return "Unknown"; 6663399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 6673399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 6683399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } stateName; 6693399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 6703399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi for (int i = 0; i < mBufferCount; i++) { 6713399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi const BufferSlot& slot(mSlots[i]); 6723399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi snprintf(buffer, SIZE, 6733399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi "%s%s[%02d] state=%-8s, " 6743399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi "timestamp=%lld\n", 6753399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi prefix, (i==mCurrentSlot)?">":" ", i, stateName(slot.mBufferState), 6763399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi slot.mTimestamp 6773399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi ); 6783399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi result.append(buffer); 6793399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 6803399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 6813399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 682b33f3407bab0970a7f9241680723a1140b177c50Pannag Sanketistatus_t SurfaceMediaSource::setFrameRate(int32_t fps) 6833399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi{ 6843399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi Mutex::Autolock lock(mMutex); 685b33f3407bab0970a7f9241680723a1140b177c50Pannag Sanketi const int MAX_FRAME_RATE = 60; 686b33f3407bab0970a7f9241680723a1140b177c50Pannag Sanketi if (fps < 0 || fps > MAX_FRAME_RATE) { 687b33f3407bab0970a7f9241680723a1140b177c50Pannag Sanketi return BAD_VALUE; 688b33f3407bab0970a7f9241680723a1140b177c50Pannag Sanketi } 6893399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mFrameRate = fps; 690b33f3407bab0970a7f9241680723a1140b177c50Pannag Sanketi return OK; 6913399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 6923399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 693b33f3407bab0970a7f9241680723a1140b177c50Pannag Sanketibool SurfaceMediaSource::isMetaDataStoredInVideoBuffers() const { 6943856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("isMetaDataStoredInVideoBuffers"); 695b33f3407bab0970a7f9241680723a1140b177c50Pannag Sanketi return true; 696b33f3407bab0970a7f9241680723a1140b177c50Pannag Sanketi} 697b33f3407bab0970a7f9241680723a1140b177c50Pannag Sanketi 698b33f3407bab0970a7f9241680723a1140b177c50Pannag Sanketiint32_t SurfaceMediaSource::getFrameRate( ) const { 6993399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi Mutex::Autolock lock(mMutex); 7003399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return mFrameRate; 7013399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 7023399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 7031a2fafbaa36390a06cc9a066fcbe147c8c47ea77Pannag Sanketistatus_t SurfaceMediaSource::start(MetaData *params) 7043399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi{ 7053856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("started!"); 706df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala 707df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala mStartTimeNs = 0; 708df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala int64_t startTimeUs; 709df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala if (params && params->findInt64(kKeyTime, &startTimeUs)) { 710df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala mStartTimeNs = startTimeUs * 1000; 711df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala } 712df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala 7133399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return OK; 7143399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 7153399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 7163399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 7171a2fafbaa36390a06cc9a066fcbe147c8c47ea77Pannag Sanketistatus_t SurfaceMediaSource::stop() 7183399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi{ 7193856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Stop"); 7203399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 7213399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi Mutex::Autolock lock(mMutex); 7223399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // TODO: Add waiting on mFrameCompletedCondition here? 7230c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mStopped = true; 7243399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mFrameAvailableCondition.signal(); 7250c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mDequeueCondition.signal(); 7260c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mQueue.clear(); 7270c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi freeAllBuffersLocked(); 7283399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 7293399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return OK; 7303399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 7313399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 7321a2fafbaa36390a06cc9a066fcbe147c8c47ea77Pannag Sanketisp<MetaData> SurfaceMediaSource::getFormat() 7333399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi{ 7343856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getFormat"); 7353399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi Mutex::Autolock autoLock(mMutex); 7363399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi sp<MetaData> meta = new MetaData; 737b33f3407bab0970a7f9241680723a1140b177c50Pannag Sanketi 7383399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi meta->setInt32(kKeyWidth, mDefaultWidth); 7393399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi meta->setInt32(kKeyHeight, mDefaultHeight); 7403399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // The encoder format is set as an opaque colorformat 7413399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // The encoder will later find out the actual colorformat 7423399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // from the GL Frames itself. 7433399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi meta->setInt32(kKeyColorFormat, OMX_COLOR_FormatAndroidOpaque); 7443399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi meta->setInt32(kKeyStride, mDefaultWidth); 7453399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi meta->setInt32(kKeySliceHeight, mDefaultHeight); 7463399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi meta->setInt32(kKeyFrameRate, mFrameRate); 7473399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_RAW); 7483399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return meta; 7493399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 7503399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 7511a2fafbaa36390a06cc9a066fcbe147c8c47ea77Pannag Sanketistatus_t SurfaceMediaSource::read( MediaBuffer **buffer, 7520c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi const ReadOptions *options) 7533399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi{ 7540c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi Mutex::Autolock autoLock(mMutex) ; 7550c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi 7563856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Read. Size of queued buffer: %d", mQueue.size()); 7573399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi *buffer = NULL; 7583399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 7593399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // If the recording has started and the queue is empty, then just 7603399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // wait here till the frames come in from the client side 7610c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi while (!mStopped && mQueue.empty()) { 7623856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("NO FRAMES! Recorder waiting for FrameAvailableCondition"); 7633399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mFrameAvailableCondition.wait(mMutex); 7643399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 7653399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 7663399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // If the loop was exited as a result of stopping the recording, 7673399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // it is OK 7680c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi if (mStopped) { 7693856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Read: SurfaceMediaSource is stopped. Returning ERROR_END_OF_STREAM."); 7703e9bf4061475ae0d01c57e32c13e63808aa3e31fPannag Sanketi return ERROR_END_OF_STREAM; 7713399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 7723399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 7733399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // Update the current buffer info 7743399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // TODO: mCurrentSlot can be made a bufferstate since there 7753399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi // can be more than one "current" slots. 7763399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi Fifo::iterator front(mQueue.begin()); 7773399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mCurrentSlot = *front; 7780c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mQueue.erase(front); 7793399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mCurrentBuf = mSlots[mCurrentSlot].mGraphicBuffer; 7800c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi int64_t prevTimeStamp = mCurrentTimestamp; 7813399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mCurrentTimestamp = mSlots[mCurrentSlot].mTimestamp; 782df4a59c61103e7e0e9332e167a0be67da5d82ff3Eino-Ville Talvala 7830c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mNumFramesEncoded++; 784a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi // Pass the data to the MediaBuffer. Pass in only the metadata 785a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi passMetadataBufferLocked(buffer); 786a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi 7873399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi (*buffer)->setObserver(this); 7883399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi (*buffer)->add_ref(); 7890c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi (*buffer)->meta_data()->setInt64(kKeyTime, mCurrentTimestamp / 1000); 7903856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Frames encoded = %d, timestamp = %lld, time diff = %lld", 7910c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mNumFramesEncoded, mCurrentTimestamp / 1000, 7920c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mCurrentTimestamp / 1000 - prevTimeStamp / 1000); 7933399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 7943399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return OK; 7953399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 7963399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 797a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi// Pass the data to the MediaBuffer. Pass in only the metadata 798a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi// The metadata passed consists of two parts: 799a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi// 1. First, there is an integer indicating that it is a GRAlloc 800a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi// source (kMetadataBufferTypeGrallocSource) 801a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi// 2. This is followed by the buffer_handle_t that is a handle to the 802a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi// GRalloc buffer. The encoder needs to interpret this GRalloc handle 803a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi// and encode the frames. 804a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi// -------------------------------------------------------------- 805a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi// | kMetadataBufferTypeGrallocSource | sizeof(buffer_handle_t) | 806a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi// -------------------------------------------------------------- 807a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi// Note: Call only when you have the lock 808a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketivoid SurfaceMediaSource::passMetadataBufferLocked(MediaBuffer **buffer) { 8093856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("passMetadataBuffer"); 810a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi // MediaBuffer allocates and owns this data 811a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi MediaBuffer *tempBuffer = 812a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi new MediaBuffer(4 + sizeof(buffer_handle_t)); 813a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi char *data = (char *)tempBuffer->data(); 814a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi if (data == NULL) { 8150c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi LOGE("Cannot allocate memory for metadata buffer!"); 816a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi return; 817a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi } 818a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi OMX_U32 type = kMetadataBufferTypeGrallocSource; 819a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi memcpy(data, &type, 4); 820a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi memcpy(data + 4, &(mCurrentBuf->handle), sizeof(buffer_handle_t)); 821a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi *buffer = tempBuffer; 822a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi 8233856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("handle = %p, , offset = %d, length = %d", 8240c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mCurrentBuf->handle, (*buffer)->range_length(), (*buffer)->range_offset()); 8250c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi} 826a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi 8271a2fafbaa36390a06cc9a066fcbe147c8c47ea77Pannag Sanketivoid SurfaceMediaSource::signalBufferReturned(MediaBuffer *buffer) { 8283856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("signalBufferReturned"); 8293399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 8303399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi bool foundBuffer = false; 8313399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi Mutex::Autolock autoLock(mMutex); 8323399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 8330c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi if (mStopped) { 8343856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("signalBufferReturned: mStopped = true! Nothing to do!"); 8353399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi return; 8363399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 8373399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 8380c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi for (int id = 0; id < NUM_BUFFER_SLOTS; id++) { 8390c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi if (mSlots[id].mGraphicBuffer == NULL) { 8400c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi continue; 8410c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi } 8420c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi if (checkBufferMatchesSlot(id, buffer)) { 8433856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Slot %d returned, matches handle = %p", id, 8440c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mSlots[id].mGraphicBuffer->handle); 8450c5c7d2b119d2350c186ae9902919bcf28c3e277Pannag Sanketi mSlots[id].mBufferState = BufferSlot::FREE; 8463399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi buffer->setObserver(0); 8473399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi buffer->release(); 8483399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mDequeueCondition.signal(); 8493399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi mFrameCompleteCondition.signal(); 8503399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi foundBuffer = true; 8513399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi break; 8523399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 8533399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 8543399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 8553399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi if (!foundBuffer) { 8563399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi CHECK_EQ(0, "signalBufferReturned: bogus buffer"); 8573399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi } 8583399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} 8593399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 860a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketibool SurfaceMediaSource::checkBufferMatchesSlot(int slot, MediaBuffer *buffer) { 8613856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Check if Buffer matches slot"); 862a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi // need to convert to char* for pointer arithmetic and then 863a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi // copy the byte stream into our handle 864a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi buffer_handle_t bufferHandle ; 865a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi memcpy( &bufferHandle, (char *)(buffer->data()) + 4, sizeof(buffer_handle_t)); 866a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi return mSlots[slot].mGraphicBuffer->handle == bufferHandle; 867a361483bb5dbd3bbf132c5b99b2df7d197c3fc50Pannag Sanketi} 8683399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi 8693399b7267185646c69b04352211fca4fad9d7547Pannag Sanketi} // end of namespace android 870