1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 //#define LOG_NDEBUG 0 18 #define LOG_TAG "SoftRaw" 19 #include <utils/Log.h> 20 21 #include "SoftRaw.h" 22 23 #include <media/stagefright/foundation/ADebug.h> 24 #include <media/stagefright/foundation/hexdump.h> 25 26 namespace android { 27 28 template<class T> 29 static void InitOMXParams(T *params) { 30 params->nSize = sizeof(T); 31 params->nVersion.s.nVersionMajor = 1; 32 params->nVersion.s.nVersionMinor = 0; 33 params->nVersion.s.nRevision = 0; 34 params->nVersion.s.nStep = 0; 35 } 36 37 SoftRaw::SoftRaw( 38 const char *name, 39 const OMX_CALLBACKTYPE *callbacks, 40 OMX_PTR appData, 41 OMX_COMPONENTTYPE **component) 42 : SimpleSoftOMXComponent(name, callbacks, appData, component), 43 mSignalledError(false), 44 mChannelCount(2), 45 mSampleRate(44100) { 46 initPorts(); 47 CHECK_EQ(initDecoder(), (status_t)OK); 48 } 49 50 SoftRaw::~SoftRaw() { 51 } 52 53 void SoftRaw::initPorts() { 54 OMX_PARAM_PORTDEFINITIONTYPE def; 55 InitOMXParams(&def); 56 57 def.nPortIndex = 0; 58 def.eDir = OMX_DirInput; 59 def.nBufferCountMin = kNumBuffers; 60 def.nBufferCountActual = def.nBufferCountMin; 61 def.nBufferSize = 32 * 1024; 62 def.bEnabled = OMX_TRUE; 63 def.bPopulated = OMX_FALSE; 64 def.eDomain = OMX_PortDomainAudio; 65 def.bBuffersContiguous = OMX_FALSE; 66 def.nBufferAlignment = 1; 67 68 def.format.audio.cMIMEType = const_cast<char *>("audio/raw"); 69 def.format.audio.pNativeRender = NULL; 70 def.format.audio.bFlagErrorConcealment = OMX_FALSE; 71 def.format.audio.eEncoding = OMX_AUDIO_CodingPCM; 72 73 addPort(def); 74 75 def.nPortIndex = 1; 76 def.eDir = OMX_DirOutput; 77 def.nBufferCountMin = kNumBuffers; 78 def.nBufferCountActual = def.nBufferCountMin; 79 def.nBufferSize = 32 * 1024; 80 def.bEnabled = OMX_TRUE; 81 def.bPopulated = OMX_FALSE; 82 def.eDomain = OMX_PortDomainAudio; 83 def.bBuffersContiguous = OMX_FALSE; 84 def.nBufferAlignment = 2; 85 86 def.format.audio.cMIMEType = const_cast<char *>("audio/raw"); 87 def.format.audio.pNativeRender = NULL; 88 def.format.audio.bFlagErrorConcealment = OMX_FALSE; 89 def.format.audio.eEncoding = OMX_AUDIO_CodingPCM; 90 91 addPort(def); 92 } 93 94 status_t SoftRaw::initDecoder() { 95 return OK; 96 } 97 98 OMX_ERRORTYPE SoftRaw::internalGetParameter( 99 OMX_INDEXTYPE index, OMX_PTR params) { 100 switch (index) { 101 case OMX_IndexParamAudioPcm: 102 { 103 OMX_AUDIO_PARAM_PCMMODETYPE *pcmParams = 104 (OMX_AUDIO_PARAM_PCMMODETYPE *)params; 105 106 if (pcmParams->nPortIndex != 0 && pcmParams->nPortIndex != 1) { 107 return OMX_ErrorUndefined; 108 } 109 110 pcmParams->eNumData = OMX_NumericalDataSigned; 111 pcmParams->eEndian = OMX_EndianBig; 112 pcmParams->bInterleaved = OMX_TRUE; 113 pcmParams->nBitPerSample = 16; 114 pcmParams->ePCMMode = OMX_AUDIO_PCMModeLinear; 115 pcmParams->eChannelMapping[0] = OMX_AUDIO_ChannelLF; 116 pcmParams->eChannelMapping[1] = OMX_AUDIO_ChannelRF; 117 118 pcmParams->nChannels = mChannelCount; 119 pcmParams->nSamplingRate = mSampleRate; 120 121 return OMX_ErrorNone; 122 } 123 124 default: 125 return SimpleSoftOMXComponent::internalGetParameter(index, params); 126 } 127 } 128 129 OMX_ERRORTYPE SoftRaw::internalSetParameter( 130 OMX_INDEXTYPE index, const OMX_PTR params) { 131 switch (index) { 132 case OMX_IndexParamStandardComponentRole: 133 { 134 const OMX_PARAM_COMPONENTROLETYPE *roleParams = 135 (const OMX_PARAM_COMPONENTROLETYPE *)params; 136 137 if (strncmp((const char *)roleParams->cRole, 138 "audio_decoder.raw", 139 OMX_MAX_STRINGNAME_SIZE - 1)) { 140 return OMX_ErrorUndefined; 141 } 142 143 return OMX_ErrorNone; 144 } 145 146 case OMX_IndexParamAudioPcm: 147 { 148 const OMX_AUDIO_PARAM_PCMMODETYPE *pcmParams = 149 (OMX_AUDIO_PARAM_PCMMODETYPE *)params; 150 151 if (pcmParams->nPortIndex != 0) { 152 return OMX_ErrorUndefined; 153 } 154 155 mChannelCount = pcmParams->nChannels; 156 mSampleRate = pcmParams->nSamplingRate; 157 158 return OMX_ErrorNone; 159 } 160 161 default: 162 return SimpleSoftOMXComponent::internalSetParameter(index, params); 163 } 164 } 165 166 void SoftRaw::onQueueFilled(OMX_U32 portIndex) { 167 if (mSignalledError) { 168 return; 169 } 170 171 List<BufferInfo *> &inQueue = getPortQueue(0); 172 List<BufferInfo *> &outQueue = getPortQueue(1); 173 174 while (!inQueue.empty() && !outQueue.empty()) { 175 BufferInfo *inInfo = *inQueue.begin(); 176 OMX_BUFFERHEADERTYPE *inHeader = inInfo->mHeader; 177 178 BufferInfo *outInfo = *outQueue.begin(); 179 OMX_BUFFERHEADERTYPE *outHeader = outInfo->mHeader; 180 181 CHECK_GE(outHeader->nAllocLen, inHeader->nFilledLen); 182 memcpy(outHeader->pBuffer, 183 inHeader->pBuffer + inHeader->nOffset, 184 inHeader->nFilledLen); 185 186 outHeader->nFlags = inHeader->nFlags; 187 outHeader->nOffset = 0; 188 outHeader->nFilledLen = inHeader->nFilledLen; 189 outHeader->nTimeStamp = inHeader->nTimeStamp; 190 191 bool sawEOS = (inHeader->nFlags & OMX_BUFFERFLAG_EOS) != 0; 192 193 inQueue.erase(inQueue.begin()); 194 inInfo->mOwnedByUs = false; 195 notifyEmptyBufferDone(inHeader); 196 197 outQueue.erase(outQueue.begin()); 198 outInfo->mOwnedByUs = false; 199 notifyFillBufferDone(outHeader); 200 201 if (sawEOS) { 202 break; 203 } 204 } 205 } 206 207 } // namespace android 208 209 android::SoftOMXComponent *createSoftOMXComponent( 210 const char *name, const OMX_CALLBACKTYPE *callbacks, 211 OMX_PTR appData, OMX_COMPONENTTYPE **component) { 212 return new android::SoftRaw(name, callbacks, appData, component); 213 } 214
