bool VideoImpl::loadMovie(const QString& filename) {
// Verify if file exists.
const gchar* filetestpath = (const gchar*) filename.toUtf8().constData();
if (FALSE == g_file_test(filetestpath, G_FILE_TEST_EXISTS))
{
qDebug() << "File " << filename << " does not exist" << endl;
return false;
}
qDebug() << "Opening movie: " << filename << ".";
// Assign URI.
_uri = filename;
// Free previously allocated structures
unloadMovie();
// Prepare handler data.
_videoIsConnected = false;
_audioIsConnected = false;
// Create the empty pipeline.
_pipeline = gst_pipeline_new ( "video-source-pipeline" );
if (!_pipeline)
{
qWarning() << "Pipeline could not be created." << endl;
unloadMovie();
return (-1);
}
// Create and link video components.
if (!createVideoComponents())
{
qWarning() << "Video components could not be initialized." << endl;
unloadMovie();
return (-1);
}
//setVolume(0);
// Listen to the bus.
_bus = gst_element_get_bus (_pipeline);
// Start playing.
return true;
}
DirectShowMovieTexture::~DirectShowMovieTexture()
{
// 1) DEINITIALIZE DIRECT SHOW
unloadMovie();
CoUninitialize();
// 2) DESTROY TEXTURE
Ogre::TextureManager::getSingleton().remove(mTexture->getName());
// 3) DELETE DSDATA
delete dsdata;
}
bool MoviePlayer::loadMovie(const Common::String &filename, uint z) {
if (isMovieLoaded())
unloadMovie();
// Get the file and load it into the decoder
Common::SeekableReadStream *in = Kernel::getInstance()->getPackage()->getStream(filename);
_decoder.loadStream(in);
_decoder.start();
GraphicEngine *pGfx = Kernel::getInstance()->getGfx();
#ifdef THEORA_INDIRECT_RENDERING
_outputBitmap = pGfx->getMainPanel()->addDynamicBitmap(_decoder.getWidth(), _decoder.getHeight());
if (!_outputBitmap.isValid()) {
error("Output bitmap for movie playback could not be created.");
return false;
}
// Compute the scaling of the output bitmap, so that it takes up the most space
float screenToVideoWidth = (float)pGfx->getDisplayWidth() / (float)_outputBitmap->getWidth();
float screenToVideoHeight = (float)pGfx->getDisplayHeight() / (float)_outputBitmap->getHeight();
float scaleFactor = MIN(screenToVideoWidth, screenToVideoHeight);
if (abs((int)(scaleFactor - 1.0f)) < FLT_EPSILON)
scaleFactor = 1.0f;
_outputBitmap->setScaleFactor(scaleFactor);
_outputBitmap->setZ(z);
// Center bitmap on screen
_outputBitmap->setX((pGfx->getDisplayWidth() - _outputBitmap->getWidth()) / 2);
_outputBitmap->setY((pGfx->getDisplayHeight() - _outputBitmap->getHeight()) / 2);
#else
_backSurface = pGfx->getSurface();
_outX = (pGfx->getDisplayWidth() - _decoder.getWidth()) / 2;
_outY = (pGfx->getDisplayHeight() - _decoder.getHeight()) / 2;
if (_outX < 0)
_outX = 0;
if (_outY < 0)
_outY = 0;
#endif
return true;
}
bool MediaImpl::setPlayState(bool play)
{
if (_pipeline == NULL)
return false;
GstStateChangeReturn ret = gst_element_set_state (_pipeline, (play ? GST_STATE_PLAYING : GST_STATE_PAUSED));
if (ret == GST_STATE_CHANGE_FAILURE)
{
qDebug() << "Unable to set the pipeline to the playing state.";
unloadMovie();
return false;
}
else
{
_setReady(play);
return true;
}
}
void MoviePlayer::update() {
if (_decoder.isVideoLoaded()) {
if (_decoder.endOfVideo()) {
// Movie complete, so unload the movie
unloadMovie();
} else if (_decoder.needsUpdate()) {
const Graphics::Surface *s = _decoder.decodeNextFrame();
if (s) {
// Transfer the next frame
assert(s->format.bytesPerPixel == 4);
#ifdef THEORA_INDIRECT_RENDERING
const byte *frameData = (const byte *)s->getPixels();
_outputBitmap->setContent(frameData, s->pitch * s->h, 0, s->pitch);
#else
g_system->copyRectToScreen(s->getPixels(), s->pitch, _outX, _outY, MIN(s->w, _backSurface->w), MIN(s->h, _backSurface->h));
g_system->updateScreen();
#endif
}
}
}
}
void DirectShowMovieTexture::loadMovie(
const Ogre::String& moviePath, bool horizontalMirroring)
{
HRESULT hr;
// log it!
Ogre::LogManager::getSingletonPtr()->logMessage(
Ogre::String("[DSHOW] Loading movie named '")+
moviePath+"'.");
// destroy previous movie objects (if any)
unloadMovie();
// create filter graph and get interfaces
hr=CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
IID_IGraphBuilder, (void**) &dsdata->pGraph);
if (FAILED(hr)) throw("[DSHOW] Error in creating graph");
hr=dsdata->pGraph->QueryInterface(IID_IMediaControl, (void**) & dsdata->pControl);
if (FAILED(hr)) throw("[DSHOW] Error in querying media control");
hr=dsdata->pGraph->QueryInterface(IID_IMediaEvent, (void**) & dsdata->pEvent);
if (FAILED(hr)) throw("[DSHOW] Error in querying media event");
hr=dsdata->pGraph->QueryInterface(IID_IMediaSeeking, (void**) & dsdata->pSeeking);
if (FAILED(hr)) throw("[DSHOW] Error in querying seeking interface");
// create sample grabber
hr=CoCreateInstance(CLSID_SampleGrabber, NULL, CLSCTX_INPROC_SERVER,
IID_IBaseFilter, (void**)&dsdata->pGrabberF);
if (FAILED(hr)) throw("[DSHOW] Error in creating sample grabber");
// add sample grabber to the graph
hr=dsdata->pGraph->AddFilter(dsdata->pGrabberF, L"Sample Grabber");
if (FAILED(hr)) throw("[DSHOW] Error in adding sample grabber to the graph");
// get sample grabber object
dsdata->pGrabberF->QueryInterface(IID_ISampleGrabber,
(void**)&dsdata->pGrabber);
// set sample grabber media type
AM_MEDIA_TYPE mt;
ZeroMemory(&mt, sizeof(AM_MEDIA_TYPE));
mt.majortype = MEDIATYPE_Video;
mt.subtype = MEDIASUBTYPE_RGB24;
mt.formattype = FORMAT_VideoInfo;
hr=dsdata->pGrabber->SetMediaType(&mt);
if (FAILED(hr)) throw("[DSHOW] Error in setting sample grabber media type");
//--------------- Seregvan's modification
IBaseFilter* srcFilter;
WCHAR* filepath = util_convertCStringToWString(moviePath.c_str());
hr = dsdata->pGraph->AddSourceFilter(filepath, L"Source", &srcFilter);
if(FAILED(hr)) throw ("[DSHOW] Unsupported media type!");
// Connect the src and grabber
hr = ConnectFilters(dsdata->pGraph, srcFilter, dsdata->pGrabberF);
if(FAILED(hr)) throw ("[DSHOW] Unsupported media type!");
IBaseFilter * render;
hr = CoCreateInstance(CLSID_NullRenderer, NULL, CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void**)&render);
if(FAILED(hr)) throw ("[DSHOW] Unsupported media type!");
dsdata->pGraph->AddFilter(render, L"Render");
hr = ConnectFilters(dsdata->pGraph, dsdata->pGrabberF, render);
if(FAILED(hr)) throw ("[DSHOW] Can't create render!");
//--------------- End of modification
// open the file!
filepath=util_convertCStringToWString(moviePath.c_str());
hr=dsdata->pGraph->RenderFile(filepath, NULL);
if (FAILED(hr)) throw("[DSHOW] Error opening video file!");
// disable auto show
// (wouldn't be needed if we used the null renderer)
hr=dsdata->pGraph->QueryInterface(IID_IVideoWindow, (void**) & dsdata->pWindow);
if (FAILED(hr)) throw("[DSHOW] Error getting video window interface");
dsdata->pWindow->put_AutoShow(OAFALSE);
// get video information
AM_MEDIA_TYPE mtt;
hr=dsdata->pGrabber->GetConnectedMediaType(&mtt);
if (FAILED(hr)) throw("[DSHOW] Error getting connected media type info");
VIDEOINFOHEADER *vih = (VIDEOINFOHEADER*) mtt.pbFormat;
dsdata->videoWidth=vih->bmiHeader.biWidth;
dsdata->videoHeight=vih->bmiHeader.biHeight;
// microsoft's help version of free media type
if (mtt.cbFormat != 0)
{
CoTaskMemFree((PVOID)mtt.pbFormat);
mtt.cbFormat = 0;
mtt.pbFormat = NULL;
}
if (mtt.pUnk != NULL)
{
mtt.pUnk->Release();
mtt.pUnk = NULL;
}
// log it
Ogre::LogManager::getSingletonPtr()->logMessage(
Ogre::String("[DSHOW] -> This movie has dimensions: ")+
Ogre::StringConverter::toString(dsdata->videoWidth)+"x"+
Ogre::StringConverter::toString(dsdata->videoHeight)+".");
// set sampling options
dsdata->pGrabber->SetOneShot(FALSE);
dsdata->pGrabber->SetBufferSamples(TRUE);
// set some basic data
mHorizontalMirroring=horizontalMirroring;
// clean the texture, so that it's ready for rendering this video
cleanTextureContents();
}
void DirectShowMovieTexture::loadMovie(
const Ogre::String& moviePath, bool horizontalMirroring)
{
HRESULT hr;
// log it!
Ogre::LogManager::getSingletonPtr()->logMessage(
Ogre::String("[DSHOW] Loading movie named '")+
moviePath+"'.");
// destroy previous movie objects (if any)
unloadMovie();
// create filter graph and get interfaces
hr=CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
IID_IGraphBuilder, (void**) &dsdata->pGraph);
if (FAILED(hr)) throw("[DSHOW] Error in creating graph");
hr=dsdata->pGraph->QueryInterface(IID_IMediaControl, (void**) & dsdata->pControl);
if (FAILED(hr)) throw("[DSHOW] Error in querying media control");
hr=dsdata->pGraph->QueryInterface(IID_IMediaEvent, (void**) & dsdata->pEvent);
if (FAILED(hr)) throw("[DSHOW] Error in querying media event");
hr=dsdata->pGraph->QueryInterface(IID_IMediaSeeking, (void**) & dsdata->pSeeking);
if (FAILED(hr)) throw("[DSHOW] Error in querying seeking interface");
// create sample grabber
hr=CoCreateInstance(CLSID_SampleGrabber, NULL, CLSCTX_INPROC_SERVER,
IID_IBaseFilter, (void**)&dsdata->pGrabberF);
if (FAILED(hr)) throw("[DSHOW] Error in creating sample grabber");
// add sample grabber to the graph
hr=dsdata->pGraph->AddFilter(dsdata->pGrabberF, L"Sample Grabber");
if (FAILED(hr)) throw("[DSHOW] Error in adding sample grabber to the graph");
// get sample grabber object
dsdata->pGrabberF->QueryInterface(IID_ISampleGrabber,
(void**)&dsdata->pGrabber);
// set sample grabber media type
AM_MEDIA_TYPE mt;
ZeroMemory(&mt, sizeof(AM_MEDIA_TYPE));
mt.majortype = MEDIATYPE_Video;
mt.subtype = MEDIASUBTYPE_RGB24;
mt.formattype = FORMAT_VideoInfo;
hr=dsdata->pGrabber->SetMediaType(&mt);
if (FAILED(hr)) throw("[DSHOW] Error in setting sample grabber media type");
// open the file!
WCHAR* filepath=util_convertCStringToWString(moviePath.c_str());
hr=dsdata->pGraph->RenderFile(L"C:\Users\Harry\Desktop\Ogre_Framework\bin\welcome.avi", NULL);
if (FAILED(hr)) throw("[DSHOW] Error opening video file!");
// disable auto show
// (wouldn't be needed if we used the null renderer)
hr=dsdata->pGraph->QueryInterface(IID_IVideoWindow, (void**) & dsdata->pWindow);
if (FAILED(hr)) throw("[DSHOW] Error getting video window interface");
dsdata->pWindow->put_AutoShow(OAFALSE);
// get video information
AM_MEDIA_TYPE mtt;
hr=dsdata->pGrabber->GetConnectedMediaType(&mtt);
if (FAILED(hr)) throw("[DSHOW] Error getting connected media type info");
VIDEOINFOHEADER *vih = (VIDEOINFOHEADER*) mtt.pbFormat;
dsdata->videoWidth=vih->bmiHeader.biWidth;
dsdata->videoHeight=vih->bmiHeader.biHeight;
ResetSize(dsdata->videoWidth,dsdata->videoHeight);
//纹理的创建现在修改到了这里,原来在构造函数中
//放在这里可以根据视频的大小来生成纹理的大小
//这样可以让视频完全平铺到面片上
mTexture=Ogre::TextureManager::getSingleton().createManual(
"DirectShowManualTexture",// name
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
Ogre::TEX_TYPE_2D,// texture type
mTexWidth,
mTexHeight,
0,// number of mipmaps
Ogre::PF_BYTE_BGRA,// pixel format
Ogre::TU_DYNAMIC_WRITE_ONLY_DISCARDABLE// usage
);
// microsoft's help version of free media type
if (mtt.cbFormat != 0)
{
CoTaskMemFree((PVOID)mtt.pbFormat);
mtt.cbFormat = 0;
mtt.pbFormat = NULL;
}
if (mtt.pUnk != NULL)
{
mtt.pUnk->Release();
mtt.pUnk = NULL;
}
// log it
Ogre::LogManager::getSingletonPtr()->logMessage(
Ogre::String("[DSHOW] -> This movie has dimensions: ")+
Ogre::StringConverter::toString(dsdata->videoWidth)+"x"+
Ogre::StringConverter::toString(dsdata->videoHeight)+".");
// set sampling options
dsdata->pGrabber->SetOneShot(FALSE);
dsdata->pGrabber->SetBufferSamples(TRUE);
// set some basic data
mHorizontalMirroring=horizontalMirroring;
// clean the texture, so that it's ready for rendering this video
cleanTextureContents();
}
bool MediaImpl::loadMovie(QString filename)
{
gchar* filetestpath = (gchar*) filename.toUtf8().constData();
if (FALSE == g_file_test(filetestpath, G_FILE_TEST_EXISTS))
{
std::cout << "File " << filetestpath << " does not exist" << std::endl;
return false;
}
_uri = filename;
qDebug() << "Opening movie: " << filename << ".";
// Free previously allocated structures
unloadMovie();
// Initialize GStreamer.
GstElement *capsfilter0 = NULL;
GstElement *videoscale0 = NULL;
// Create the elements.
if (_isSharedMemorySource)
{
_shmsrc0 = gst_element_factory_make ("shmsrc", "shmsrc0");
_gdpdepay0 = gst_element_factory_make ("gdpdepay", "gdpdepay0");
_pollSource = g_timeout_source_new (500);
g_source_set_callback (_pollSource,
gstPollShmsrc,
this,
NULL);
g_source_attach (_pollSource, g_main_context_default());
g_source_unref (_pollSource);
}
else {
_uridecodebin0 = gst_element_factory_make ("uridecodebin", "uridecodebin0");
}
_queue0 = gst_element_factory_make ("queue", "queue0");
_videoconvert0 = gst_element_factory_make ("videoconvert", "videoconvert0");
videoscale0 = gst_element_factory_make ("videoscale", "videoscale0");
capsfilter0 = gst_element_factory_make ("capsfilter", "capsfilter0");
_appsink0 = gst_element_factory_make ("appsink", "appsink0");
// Prepare handler data.
_padHandlerData.videoToConnect = _queue0;
_padHandlerData.videoSink = _appsink0;
_padHandlerData.videoIsConnected = false;
_audioqueue0 = gst_element_factory_make ("queue", "audioqueue0");
_audioconvert0 = gst_element_factory_make ("audioconvert", "audioconvert0");
_audioresample0 = gst_element_factory_make ("audioresample", "audioresample0");
_audiovolume0 = gst_element_factory_make ("volume", "audiovolume0");
_audiosink0 = gst_element_factory_make ("autoaudiosink", "audiosink0");
_padHandlerData.audioToConnect = _audioqueue0;
// Create the empty pipeline.
_pipeline = gst_pipeline_new ( "video-source-pipeline" );
if (!_pipeline ||
!_queue0 || !_videoconvert0 || ! videoscale0 || ! capsfilter0 ||
!_appsink0 || !_audioqueue0 || !_audioconvert0 || !_audioresample0 ||
!_audiovolume0 || !_audiosink0)
{
g_printerr ("Not all elements could be created.\n");
if (! _pipeline) g_printerr("_pipeline");
if (! _queue0) g_printerr("_queue0");
if (! _videoconvert0) g_printerr("_videoconvert0");
if (! videoscale0) g_printerr("videoscale0");
if (! capsfilter0) g_printerr("capsfilter0");
if (! _appsink0) g_printerr("_appsink0");
if (! _audioqueue0) g_printerr("_audioqueue0");
if (! _audioconvert0) g_printerr("_audioconvert0");
if (! _audioresample0) g_printerr("_audioresample0");
if (! _audiovolume0) g_printerr("_audiovolume0");
if (! _audiosink0) g_printerr("_audiosink0");
unloadMovie();
return -1;
}
if (_isSharedMemorySource)
{
if (! _shmsrc0 || ! _gdpdepay0)
{
g_printerr ("Not all elements could be created.\n");
if (! _shmsrc0) g_printerr("_shmsrc0");
if (! _gdpdepay0) g_printerr("_gdpdepay0");
unloadMovie();
return -1;
}
}
else
{
if (! _uridecodebin0)
{
g_printerr ("Not all elements could be created.\n");
if (! _uridecodebin0) g_printerr("_uridecodebin0");
unloadMovie();
return -1;
}
}
// Build the pipeline. Note that we are NOT linking the source at this
// point. We will do it later.
gst_bin_add_many (GST_BIN (_pipeline),
_isSharedMemorySource ? _shmsrc0 : _uridecodebin0, _queue0,
_videoconvert0, videoscale0, capsfilter0, _appsink0,
// _audioqueue0, _audioconvert0, _audioresample0, _audiovolume0, _audiosink0,
NULL);
// special case for shmsrc
if (_isSharedMemorySource)
{
gst_bin_add (GST_BIN(_pipeline), _gdpdepay0);
if (! gst_element_link_many (_shmsrc0, _gdpdepay0, _queue0, NULL))
{
g_printerr ("Could not link shmsrc, deserializer and video queue.\n");
}
}
// link uridecodebin -> queue will be performed by callback
if (! gst_element_link_many (_queue0, _videoconvert0, capsfilter0, videoscale0, _appsink0, NULL))
{
g_printerr ("Could not link video queue, colorspace converter, caps filter, scaler and app sink.\n");
unloadMovie();
return false;
}
// if (! gst_element_link_many (_audioqueue0, _audioconvert0, _audioresample0,
// _audiovolume0, _audiosink0, NULL))
// {
// g_printerr ("Could not link audio queue, converter, resampler and audio sink.\n");
// unloadMovie();
// return false;
// }
// Process URI.
QByteArray ba = filename.toLocal8Bit();
gchar *filename_tmp = g_strdup((gchar*) filename.toUtf8().constData());
gchar* uri = NULL; // (gchar*) filename.toUtf8().constData();
if (! _isSharedMemorySource && ! gst_uri_is_valid(uri))
{
// Try to convert filename to URI.
GError* error = NULL;
qDebug() << "Calling gst_filename_to_uri : " << uri;
uri = gst_filename_to_uri(filename_tmp, &error);
if (error)
{
qDebug() << "Filename to URI error: " << error->message;
g_error_free(error);
gst_object_unref (uri);
freeResources();
return false;
}
}
g_free(filename_tmp);
if (_isSharedMemorySource)
{
uri = (gchar*) ba.data();
}
// Set URI to be played.
qDebug() << "URI for uridecodebin: " << uri;
// FIXME: sometimes it's just the path to the directory that is given, not the file itself.
// Connect to the pad-added signal
if (! _isSharedMemorySource)
{
g_signal_connect (_uridecodebin0, "pad-added", G_CALLBACK (MediaImpl::gstPadAddedCallback), &_padHandlerData);
g_object_set (_uridecodebin0, "uri", uri, NULL);
}
else
{
//qDebug() << "LIVE mode" << uri;
g_object_set (_shmsrc0, "socket-path", uri, NULL);
g_object_set (_shmsrc0, "is-live", TRUE, NULL);
_padHandlerData.videoIsConnected = true;
}
g_free(uri);
// Configure audio appsink.
// TODO: change from mono to stereo
// gchar* audioCapsText = g_strdup_printf ("audio/x-raw-float,channels=1,rate=%d,signed=(boolean)true,width=%d,depth=%d,endianness=BYTE_ORDER",
// Engine::signalInfo().sampleRate(), (int)(sizeof(Signal_T)*8), (int)(sizeof(Signal_T)*8) );
// GstCaps* audioCaps = gst_caps_from_string (audioCapsText);
// g_object_set (_audioSink, "emit-signals", TRUE,
// "caps", audioCaps,
//// "max-buffers", 1, // only one buffer (the last) is maintained in the queue
//// "drop", TRUE, // ... other buffers are dropped
// NULL);
// g_signal_connect (_audioSink, "new-buffer", G_CALLBACK (VideoImpl::gstNewAudioBufferCallback), &_newAudioBufferHandlerData);
// gst_caps_unref (audioCaps);
// g_free (audioCapsText);
// Configure video appsink.
GstCaps *videoCaps = gst_caps_from_string ("video/x-raw,format=RGBA");
g_object_set (capsfilter0, "caps", videoCaps, NULL);
g_object_set (_appsink0, "emit-signals", TRUE,
"max-buffers", 1, // only one buffer (the last) is maintained in the queue
"drop", TRUE, // ... other buffers are dropped
"sync", TRUE,
NULL);
g_signal_connect (_appsink0, "new-sample", G_CALLBACK (MediaImpl::gstNewSampleCallback), this);
gst_caps_unref (videoCaps);
g_object_set (_audiovolume0, "mute", false, NULL);
g_object_set (_audiovolume0, "volume", 0.0, NULL);
// Listen to the bus.
_bus = gst_element_get_bus (_pipeline);
// Start playing.
if (! _isSharedMemorySource && ! setPlayState(true))
{
return false;
}
return true;
}
DShowMoviePlayer::~DShowMoviePlayer (void)
{
unloadMovie ();
}
bool MediaImpl::loadMovie(QString filename)
{
_uri = filename;
qDebug() << "Opening movie: " << filename << ".";
this->_frame = NULL;
// Free previously allocated structures
unloadMovie();
//_firstFrameTime=_formatContext->start_time;
// Initialize GStreamer.
gst_init (NULL, NULL);
GstElement *capsFilter = NULL;
GstElement *videoScale = NULL;
// Create the elements.
_source = gst_element_factory_make ("uridecodebin", "source");
// _audioQueue = gst_element_factory_make ("queue", "aqueue");
// _audioConvert = gst_element_factory_make ("audioconvert", "aconvert");
// _audioResample = gst_element_factory_make ("audioresample", "aresample");
// _audioSink = gst_element_factory_make ("appsink", "asink");
//
_videoQueue = gst_element_factory_make ("queue", "vqueue");
_videoColorSpace = gst_element_factory_make ("videoconvert", "vcolorspace");
videoScale = gst_element_factory_make ("videoscale", "videoscale0");
capsFilter = gst_element_factory_make ("capsfilter", "capsfilter0");
_videoSink = gst_element_factory_make ("appsink", "vsink");
// Prepare handler data.
// _padHandlerData.audioToConnect = _audioQueue;
_padHandlerData.videoToConnect = _videoQueue;
_padHandlerData.videoSink = _videoSink;
//_padHandlerData.audioIsConnected = false;
_padHandlerData.videoIsConnected = false;
// _newAudioBufferHandlerData.audioSink = _audioSink;
// _newAudioBufferHandlerData.audioBufferAdapter = _audioBufferAdapter;
// Create the empty pipeline.
_pipeline = gst_pipeline_new ( "video-source-pipeline" );
if (!_pipeline || !_source ||
// !_audioQueue || !_audioConvert || !_audioResample || !_audioSink ||
!_videoQueue || !_videoColorSpace || ! videoScale || ! capsFilter || ! _videoSink)
{
g_printerr ("Not all elements could be created.\n");
unloadMovie();
return -1;
}
// Build the pipeline. Note that we are NOT linking the source at this
// point. We will do it later.
gst_bin_add_many (GST_BIN (_pipeline), _source,
// _audioQueue, _audioConvert, _audioResample, _audioSink,
_videoQueue, _videoColorSpace, videoScale, capsFilter, _videoSink, NULL);
// if (!gst_element_link_many(_audioQueue, _audioConvert, _audioResample, _audioSink, NULL)) {
// g_printerr ("Audio elements could not be linked.\n");
// unloadMovie();
// return false;
// }
if (!gst_element_link_many (_videoQueue, _videoColorSpace, capsFilter, videoScale, _videoSink, NULL)) {
g_printerr ("Video elements could not be linked.\n");
unloadMovie();
return false;
}
// Process URI.
gchar* uri = (gchar*) filename.toUtf8().constData();
if (!gst_uri_is_valid(uri))
{
// Try to convert filename to URI.
GError* error = NULL;
uri = gst_filename_to_uri(uri, &error);
if (error) {
qDebug() << "Filename to URI error: " << error->message;
g_error_free(error);
gst_object_unref (uri);
freeResources();
return false;
}
}
// Set URI to be played.
qDebug() << "URI for uridecodebin: " << uri;
// FIXME: sometimes it's just the path to the directory that is given, not the file itself.
g_object_set (_source, "uri", uri, NULL);
// Connect to the pad-added signal
g_signal_connect (_source, "pad-added", G_CALLBACK (MediaImpl::gstPadAddedCallback), &_padHandlerData);
// Configure audio appsink.
// TODO: change from mono to stereo
// gchar* audioCapsText = g_strdup_printf ("audio/x-raw-float,channels=1,rate=%d,signed=(boolean)true,width=%d,depth=%d,endianness=BYTE_ORDER",
// Engine::signalInfo().sampleRate(), (int)(sizeof(Signal_T)*8), (int)(sizeof(Signal_T)*8) );
// GstCaps* audioCaps = gst_caps_from_string (audioCapsText);
// g_object_set (_audioSink, "emit-signals", TRUE,
// "caps", audioCaps,
//// "max-buffers", 1, // only one buffer (the last) is maintained in the queue
//// "drop", TRUE, // ... other buffers are dropped
// NULL);
// g_signal_connect (_audioSink, "new-buffer", G_CALLBACK (VideoImpl::gstNewAudioBufferCallback), &_newAudioBufferHandlerData);
// gst_caps_unref (audioCaps);
// g_free (audioCapsText);
// Configure video appsink.
// GstCaps *videoCaps = gst_caps_from_string ("video/x-raw-rgb");
GstCaps *videoCaps = gst_caps_from_string ("video/x-raw,format=RGBA");
g_object_set (capsFilter, "caps", videoCaps, NULL);
g_object_set (_videoSink, "emit-signals", TRUE,
"max-buffers", 1, // only one buffer (the last) is maintained in the queue
"drop", TRUE, // ... other buffers are dropped
NULL);
g_signal_connect (_videoSink, "new-sample", G_CALLBACK (MediaImpl::gstNewSampleCallback), this);
gst_caps_unref (videoCaps);
// Listen to the bus.
_bus = gst_element_get_bus (_pipeline);
// Start playing.
if (!setPlayState(true))
return false;
qDebug() << "Pipeline started.";
//_movieReady = true;
return true;
}
