bool GetValues_mp3infp(FILE_INFO *pFileMP3)
{
// mp3infp.dllを利用して演奏時間などの情報を取得
if (!Load_mp3infp()) {
return false;
}
if(lpmp3infp_Load(NULL,(char*)(const char *)GetFullPath(pFileMP3)) != ERROR_SUCCESS)
{
//printf("ロード失敗\n");
return false;
}
char* buf = NULL;
// 演奏時間
{
lpmp3infp_GetValue("TIME",&buf);
UINT nDummy, nTime = 0;
if (buf[0] != '\0') {
if (strchr(buf, ':') == strrchr(buf, ':')) { /* Hurricane 217 */
sscanf(buf, "%u:%u (%usec)", &nDummy, &nDummy, &nTime);
} else {
sscanf(buf, "%u:%u:%u (%usec)", &nDummy, &nDummy, &nDummy, &nTime); /* Hurricane 217 */
}
SetPlayTime(pFileMP3, nTime);
}
}
// 音声フォーマット
{
lpmp3infp_GetValue("AFMT",&buf);
SetAudioFormat(pFileMP3, buf);
}
return true;
}
bool OmxDecoder::ReadAudio(AudioFrame *aFrame, int64_t aSeekTimeUs)
{
MOZ_ASSERT(aSeekTimeUs >= -1);
status_t err;
if (mAudioMetadataRead && aSeekTimeUs == -1) {
// Use the data read into the buffer during metadata time
err = OK;
}
else {
ReleaseAudioBuffer();
if (aSeekTimeUs != -1) {
ReadOptions options;
options.setSeekTo(aSeekTimeUs);
err = mAudioSource->read(&mAudioBuffer, &options);
} else {
err = mAudioSource->read(&mAudioBuffer);
}
}
mAudioMetadataRead = false;
aSeekTimeUs = -1;
if (err == OK && mAudioBuffer->range_length() != 0) {
int64_t timeUs;
if (!mAudioBuffer->meta_data()->findInt64(kKeyTime, &timeUs)) {
LOG("no frame time");
return false;
}
if (timeUs < 0) {
LOG("frame time %lld must be nonnegative", timeUs);
return false;
}
return ToAudioFrame(aFrame, timeUs,
mAudioBuffer->data(),
mAudioBuffer->range_offset(),
mAudioBuffer->range_length(),
mAudioChannels, mAudioSampleRate);
}
else if (err == INFO_FORMAT_CHANGED) {
// If the format changed, update our cached info.
LOG("mAudioSource INFO_FORMAT_CHANGED");
if (!SetAudioFormat())
return false;
else
return ReadAudio(aFrame, aSeekTimeUs);
}
else if (err == ERROR_END_OF_STREAM) {
LOG("mAudioSource END_OF_STREAM");
}
else if (err != OK) {
LOG("mAudioSource ERROR %#x", err);
}
return err == OK;
}
/// 打开
BOOL CAudioPlayer::Open(void)
{
BOOL bResult = FALSE;
do
{
// 创建GraphBuilder
if(!CreateGraphBuilder())
break;
HRESULT hr = NOERROR;
if(FAILED(m_pGraphBulider->QueryInterface(IID_IBasicAudio, (void **)&m_pBasicAudio)))
break;
// 创建AudioCaptreu
m_pAudioCapture = new CAudioCapture(NULL, &hr);
if(NULL == m_pAudioCapture)
break;
m_pAudioCapture->AddRef();
if (FAILED(m_pGraphBulider->AddFilter(m_pAudioCapture, L"Audio Capture")))
break;
// 设置音频信息
if(!SetAudioFormat(m_enFrequency, m_enChannel, m_enSample))
break;
// 创建AudioReander
hr = CoCreateInstance(CLSID_DSoundRender, NULL, CLSCTX_INPROC_SERVER,
IID_IBaseFilter, (void **)&m_pAudioRender);
if (FAILED(hr))
break;
if (FAILED(m_pGraphBulider->AddFilter(m_pAudioRender, L"Audio Renderer")))
break;
// 连接Filter
IPin* pOutPin = GetOutputPin(m_pAudioCapture, (uint16_t)0);
IPin* pInPin = GetInputPin(m_pAudioRender, (uint16_t)0);
hr = m_pGraphBulider->Connect(pOutPin, pInPin);
SAFE_RELEASE(pOutPin);
SAFE_RELEASE(pInPin);
if(FAILED(hr))
{
WCHAR szError[256] = {0};
AMGetErrorText(hr, szError, 256);
break;
}
bResult = TRUE;
}while(FALSE);
if(!bResult)
Close();
return bResult;
}
/// 打开音频采集设备
BOOL CAudioCapture::Open(ICaptureEvent* pCaptureEvent,
const TCHAR* szDeviceName)
{
ASSERT(pCaptureEvent);
// 参数检查
if(NULL == pCaptureEvent)
return FALSE;
BOOL bResult = FALSE;
do
{
// 创建GraphBuilder
if(!CreateGraphBuilder())
break;
// 创建CaptureGraphBuilder
HRESULT hr = CoCreateInstance(CLSID_CaptureGraphBuilder2, NULL,
CLSCTX_INPROC_SERVER, IID_ICaptureGraphBuilder2, (void**)&m_pCGBuilder);
if(FAILED(hr))
{
break;
}
hr = m_pCGBuilder->SetFiltergraph(m_pGraphBulider);
if(FAILED(hr))
{
break;
}
// 创建视频采集设备
m_pCaptureFilter = CreateCaptureFiler(szDeviceName);
if(NULL == m_pCaptureFilter)
break;
if (FAILED(m_pGraphBulider->AddFilter(m_pCaptureFilter, L"Audio Capture")))
break;
// 设置视频信息
if(!SetAudioFormat(m_enFrequency, m_enChannel, m_enSample))
break;
// 创建Read Filter
m_pAudioReander = new CAudioRenderer(NULL, &hr);
if(NULL == m_pAudioReander)
break;
m_pAudioReander->AddRef();
m_pAudioReander->SetCaptureEvent(pCaptureEvent);
if (FAILED(m_pGraphBulider->AddFilter(m_pAudioReander, L"Audio Render")))
break;
// 连接Filter
IPin* pOutPin = GetOutputPin(m_pCaptureFilter, (uint16_t)0);
IPin* pInPin = GetInputPin(m_pAudioReander, (uint16_t)0);
hr = m_pGraphBulider->Connect(pOutPin, pInPin);
//AM_MEDIA_TYPE mt;
//pOutPin->ConnectionMediaType(&mt);
//WAVEFORMATEX* pWF = (WAVEFORMATEX *) mt.pbFormat;
SAFE_RELEASE(pOutPin);
SAFE_RELEASE(pInPin);
if(FAILED(hr))
break;
bResult = TRUE;
}while(FALSE);
if(!bResult)
Close();
return bResult;
}
/*
函数: BulidPrivewGraph()
功能: 创建函数
*/
int CCaptureAudio::BulidCaptureGraph()
{
HRESULT hr=NOERROR;
if(m_iDeviceId <0)
{
return -1;
}
// 解决声卡不存在时出现调用程序异常的问题 [10/23/2014-16:28:00 Dingshuai]
if(m_pBaseFilter==NULL)
{
return -1;
}
GUID pCategorySuc = PIN_CATEGORY_PREVIEW;
GUID pCategoryFail = PIN_CATEGORY_CAPTURE;
if(m_nPinType==0)
{
pCategorySuc = PIN_CATEGORY_PREVIEW;
pCategoryFail = PIN_CATEGORY_CAPTURE;
}
else
{
pCategorySuc = PIN_CATEGORY_CAPTURE;
pCategoryFail = PIN_CATEGORY_PREVIEW;
}
hr = SetAudioFormat(m_nChannels,m_nBytesPerSample,m_nSampleRate,m_nAudioBufferType,m_nPinType);
if(FAILED(hr))
{
//ERR_DEBUG("SetAudioFormat Failed");
return -1;
}
hr = CreateCaptureSampleGrabber();
if(FAILED(hr))
{
SAFE_RELEASE(m_pSampleGrabberFilter);
SAFE_RELEASE(m_pSampleGrabber);
//ERR_DEBUG("CreateCaptureSampleGrabber Failed");
return -1;
}
hr = m_pCaptureGraphBulid->RenderStream(&pCategorySuc,&MEDIATYPE_Audio,m_pBaseFilter,NULL,m_pSampleGrabberFilter);
if(FAILED(hr))
{
//ERR_DEBUG("PrivewVideoDev RenderStream Failed ");
return -1;
}
if(m_bThread)//标识是否创建线程
{
m_pSampleGrabber->SetBufferSamples(TRUE);
m_pSampleGrabber->SetOneShot(FALSE);
}
else
{
m_pSampleGrabber->SetBufferSamples(TRUE);
m_pSampleGrabber->SetOneShot(FALSE);
m_cSampleGrabberCB.SetDataInfo(-1, m_nDataType);
int nMode=1;//0--SampleCB,1--BufferCB
m_pSampleGrabber->SetCallback(&m_cSampleGrabberCB, nMode);
}
hr = StartPreview();
if(FAILED(hr))
{
return -1;
}
return 1;
}
bool OmxDecoder::Init()
{
#if defined(MOZ_WIDGET_ANDROID)
// OMXClient::connect() always returns OK and aborts fatally if
// it can't connect. We may need to implement the connect functionality
// ourselves if this proves to be an issue.
if (!sClientInstance.IsValid()) {
LOG("OMXClient failed to connect");
return false;
}
#endif
//register sniffers, if they are not registered in this process.
DataSource::RegisterDefaultSniffers();
sp<DataSource> dataSource =
DataSource::CreateFromURI(static_cast<char*>(mDecoder->mResource));
if (!dataSource.get() || dataSource->initCheck()) {
return false;
}
sp<MediaExtractor> extractor = MediaExtractor::Create(dataSource);
if (extractor == nullptr) {
return false;
}
ssize_t audioTrackIndex = -1;
ssize_t videoTrackIndex = -1;
const char *audioMime = nullptr;
const char *videoMime = nullptr;
for (size_t i = 0; i < extractor->countTracks(); ++i) {
sp<MetaData> meta = extractor->getTrackMetaData(i);
const char *mime;
if (!meta->findCString(kKeyMIMEType, &mime)) {
continue;
}
if (videoTrackIndex == -1 && !strncasecmp(mime, "video/", 6)) {
videoTrackIndex = i;
videoMime = mime;
} else if (audioTrackIndex == -1 && !strncasecmp(mime, "audio/", 6)) {
audioTrackIndex = i;
audioMime = mime;
}
}
if (videoTrackIndex == -1 && audioTrackIndex == -1) {
return false;
}
int64_t totalDurationUs = 0;
#ifdef MOZ_WIDGET_GONK
sp<IOMX> omx = GetOMX();
#else
sp<IOMX> omx = sClientInstance.get()->interface();
#endif
sp<MediaSource> videoTrack;
sp<MediaSource> videoSource;
if (videoTrackIndex != -1 && (videoTrack = extractor->getTrack(videoTrackIndex)) != nullptr) {
videoSource = CreateVideoSource(mPluginHost, omx, videoTrack);
if (videoSource == nullptr) {
LOG("OMXCodec failed to initialize video decoder for \"%s\"", videoMime);
return false;
}
status_t status = videoSource->start();
if (status != OK) {
LOG("videoSource->start() failed with status %#x", status);
return false;
}
int64_t durationUs;
if (videoTrack->getFormat()->findInt64(kKeyDuration, &durationUs)) {
if (durationUs < 0)
LOG("video duration %lld should be nonnegative", durationUs);
if (durationUs > totalDurationUs)
totalDurationUs = durationUs;
}
}
sp<MediaSource> audioTrack;
sp<MediaSource> audioSource;
if (audioTrackIndex != -1 && (audioTrack = extractor->getTrack(audioTrackIndex)) != nullptr)
{
if (!strcasecmp(audioMime, "audio/raw")) {
audioSource = audioTrack;
} else {
audioSource = OMXCodec::Create(omx,
audioTrack->getFormat(),
false, // decoder
audioTrack);
}
if (audioSource == nullptr) {
LOG("OMXCodec failed to initialize audio decoder for \"%s\"", audioMime);
return false;
}
status_t status = audioSource->start();
if (status != OK) {
LOG("audioSource->start() failed with status %#x", status);
return false;
}
int64_t durationUs;
if (audioTrack->getFormat()->findInt64(kKeyDuration, &durationUs)) {
if (durationUs < 0)
LOG("audio duration %lld should be nonnegative", durationUs);
if (durationUs > totalDurationUs)
totalDurationUs = durationUs;
}
}
// set decoder state
mVideoTrack = videoTrack;
mVideoSource = videoSource;
mAudioTrack = audioTrack;
mAudioSource = audioSource;
mDurationUs = totalDurationUs;
if (mVideoSource.get() && !SetVideoFormat())
return false;
// To reliably get the channel and sample rate data we need to read from the
// audio source until we get a INFO_FORMAT_CHANGE status
if (mAudioSource.get()) {
if (mAudioSource->read(&mAudioBuffer) != INFO_FORMAT_CHANGED) {
sp<MetaData> meta = mAudioSource->getFormat();
if (!meta->findInt32(kKeyChannelCount, &mAudioChannels) ||
!meta->findInt32(kKeySampleRate, &mAudioSampleRate)) {
return false;
}
mAudioMetadataRead = true;
if (mAudioChannels < 0) {
LOG("audio channel count %d must be nonnegative", mAudioChannels);
return false;
}
if (mAudioSampleRate < 0) {
LOG("audio sample rate %d must be nonnegative", mAudioSampleRate);
return false;
}
}
else if (!SetAudioFormat()) {
return false;
}
}
return true;
}