// helper func to compute size of media data
bool LLMediaImplLLMozLib::recomputeSizes()
{
int new_width = mMediaRequestedWidth;
int new_height = mMediaRequestedHeight;
if (new_width < 0)
new_width = 512;
if (new_height < 0)
new_height = 512;
if (mAutoScaled)
{
new_width = LLMediaManager::textureWidthFromMediaWidth( new_width );
new_height = LLMediaManager::textureHeightFromMediaHeight( new_height );
}
bool status = LLMozLib::getInstance()->setSize( mWindowId, new_width, new_height );
if (status)
setMediaSize(new_width, new_height);
return status;
}
///////////////////////////////////////////////////////////////////////////////
// virtual
bool LLMediaImplGStreamer::updateMedia()
{
//LL_DEBUGS("MediaImpl") << "updating media..." << LL_ENDL;
// sanity check
if (mPump == NULL || mPlaybin == NULL)
{
#ifdef LL_GST_REPORT_STATE_CHANGES
LL_DEBUGS("MediaImpl") << "dead media..." << LL_ENDL;
#endif
mState = GST_STATE_NULL;
setStatus(LLMediaBase::STATUS_DEAD);
return false;
}
if (mState == GST_STATE_VOID_PENDING || mState == GST_STATE_NULL)
return false;
// process next outstanding command
switch (nextCommand())
{
case LLMediaBase::COMMAND_START:
LL_DEBUGS("MediaImpl") << "COMMAND_START" << LL_ENDL;
if (getStatus() == LLMediaBase::STATUS_PAUSED ||
getStatus() == LLMediaBase::STATUS_NAVIGATING ||
getStatus() == LLMediaBase::STATUS_STOPPED)
{
play();
setStatus(LLMediaBase::STATUS_STARTED);
clearCommand();
}
break;
case LLMediaBase::COMMAND_STOP:
LL_DEBUGS("MediaImpl") << "COMMAND_STOP" << LL_ENDL;
stop();
setStatus(LLMediaBase::STATUS_STOPPED);
clearCommand();
break;
case LLMediaBase::COMMAND_PAUSE:
LL_DEBUGS("MediaImpl") << "COMMAND_PAUSE" << LL_ENDL;
if (getStatus() == LLMediaBase::STATUS_STARTED)
{
pause();
setStatus(LLMediaBase::STATUS_PAUSED);
clearCommand();
}
break;
default:
LL_INFOS("MediaImpl") << "Unknown command" << LL_ENDL;
clearCommand();
break;
case LLMediaBase::COMMAND_NONE:
break;
}
// deal with results
if (g_main_context_pending(g_main_loop_get_context(mPump)))
{
g_main_context_iteration(g_main_loop_get_context(mPump), FALSE);
}
if (mVideoSink)
{
GST_OBJECT_LOCK(mVideoSink);
if (mVideoSink->retained_frame_ready)
{
#ifdef LL_GST_REPORT_STATE_CHANGES
LL_DEBUGS("MediaImpl") <<"NEW FRAME " << LL_ENDL;
#endif
if (mVideoSink->retained_frame_width != getMediaWidth() ||
mVideoSink->retained_frame_height != getMediaHeight())
// *TODO: also check for change in format
{
// just resize containe
int neww = mVideoSink->retained_frame_width;
int newh = mVideoSink->retained_frame_height;
int newd = SLVPixelFormatBytes[mVideoSink->retained_frame_format];
if (SLV_PF_RGBX == mVideoSink->retained_frame_format)
{
mTextureFormatPrimary = LL_MEDIA_RGBA;
mTextureFormatType = LL_MEDIA_UNSIGNED_INT_8_8_8_8_REV;
}
else
{
mTextureFormatPrimary = LL_MEDIA_BGRA;
mTextureFormatType = LL_MEDIA_UNSIGNED_INT_8_8_8_8_REV;
}
mMediaRowbytes = neww * newd;
LL_DEBUGS("MediaImpl")
<< "video container resized to " <<
neww <<"x"<< newh << LL_ENDL;
delete[] mediaData;
mediaData = new unsigned char[mMediaRowbytes *
newh];
GST_OBJECT_UNLOCK(mVideoSink);
setMediaDepth(newd);
setMediaSize(neww, newh);
return true;
}
// we're gonna totally consume this frame - reset 'ready' flag
mVideoSink->retained_frame_ready = FALSE;
memcpy(mediaData, mVideoSink->retained_frame_data,
mMediaRowbytes * getMediaHeight());
GST_OBJECT_UNLOCK(mVideoSink);
LLMediaEvent event( this );
mEventEmitter.update( &LLMediaObserver::onMediaContentsChange, event );
return true;
}
else
{
// nothing to do yet.
GST_OBJECT_UNLOCK(mVideoSink);
return true;
}
}
return true;
}
////////////////////////////////////////////////////////////////////////////////
// virtual
bool LLMediaImplQuickTime::sizeChanged()
{
if ( ! mMovieHandle )
return false;
// sanitize size of movie
Rect movie_rect;
setMovieBoxEnhanced( &movie_rect );
// we need this later
int width = ( movie_rect.right - movie_rect.left );
int height = ( movie_rect.bottom - movie_rect.top );
std::cout << "LLMEDIA> size changed to " << width << " x " << height << std::endl;
setMediaSize( width, height );
// media depth won't change
int depth_bits = getMediaDepth() * 8;
GWorldPtr old_gworld_handle = mGWorldHandle;
if (old_gworld_handle)
{
GWorldFlags result = UpdateGWorld( &mGWorldHandle, depth_bits, &movie_rect, NULL, NULL, 0 );
if ( gwFlagErr == result )
{
// TODO: unrecoverable?? throw exception? return something?
return false;
}
}
else
{
OSErr result = NewGWorld( &mGWorldHandle, depth_bits, &movie_rect, NULL, NULL, keepLocal | pixelsLocked );
if ( noErr != result )
{
// ATODO: unrecoverable?? throw exception? return something?
return false;
}
// clear memory in GWorld to avoid random screen visual fuzz from uninitialized texture data
if ( mGWorldHandle )
{
PixMapHandle pix_map_handle = GetGWorldPixMap( mGWorldHandle );
unsigned char* ptr = ( unsigned char* )GetPixBaseAddr( pix_map_handle );
memset( ptr, 0x00, height * QTGetPixMapHandleRowBytes( pix_map_handle ) );
}
}
// point movie at GWorld if it's new
if ( mMovieHandle && ! old_gworld_handle )
{
SetMovieGWorld( mMovieHandle, mGWorldHandle, GetGWorldDevice ( mGWorldHandle ) );
}
// update movie controller
if ( mMovieController )
{
MCSetControllerPort( mMovieController, mGWorldHandle );
MCPositionController( mMovieController, &movie_rect, &movie_rect,
mcTopLeftMovie | mcPositionDontInvalidate );
MCMovieChanged( mMovieController, mMovieHandle );
}
// Emit event with size change so the calling app knows about it too
LLMediaEvent event( this );
mEventEmitter.update( &LLMediaObserver::onMediaSizeChange, event );
return true;
}
////////////////////////////////////////////////////////////////////////////////
// private
bool LLMediaImplQuickTime::load( const std::string url )
{
if ( url.empty() )
return false;
//In case std::string::c_str() makes a copy of the url data,
//make sure there is memory to hold it before allocating memory for handle.
//if fails, NewHandleClear(...) should return NULL.
const char* url_string = url.c_str() ;
Handle handle = NewHandleClear( ( Size )( url.length() + 1 ) );
if ( NULL == handle )
return false;
if(noErr != MemError() || NULL == *handle)
{
return false ;
}
BlockMove( url_string, *handle, ( Size )( url.length() + 1 ) );
//std::cout << "LLMediaImplQuickTime::load( " << url << " )" << std::endl;
// TODO: supposed to use NewMovieFromDataParams now
OSErr err = NewMovieFromDataRef( &mMovieHandle, newMovieActive | newMovieDontInteractWithUser | newMovieAsyncOK | newMovieIdleImportOK, nil, handle, URLDataHandlerSubType );
DisposeHandle( handle );
if ( noErr != err )
return false;
// do pre-roll actions (typically fired for streaming movies but not always)
PrePrerollMovie( mMovieHandle, 0, GetMoviePreferredRate( mMovieHandle ), moviePrePrerollCompleteCallback, ( void * )this );
// get movie rect (and check for min/max)
Rect movie_rect;
setMovieBoxEnhanced( &movie_rect );
// make a new movie controller
mMovieController = NewMovieController( mMovieHandle, &movie_rect, mcNotVisible | mcTopLeftMovie );
#if defined(__APPLE__) || defined(MACOSX)
setMediaDepth( 4 );
#else
setMediaDepth( 3 );
#endif
// tell manager about the media size
setMediaSize( movie_rect.right - movie_rect.left, movie_rect.bottom - movie_rect.top);
// movie controller
MCSetActionFilterWithRefCon( mMovieController, mcActionFilterCallBack, ( long )this );
SetMoviePlayHints( mMovieHandle, hintsAllowDynamicResize, hintsAllowDynamicResize );
// function that gets called when a frame is drawn
SetMovieDrawingCompleteProc( mMovieHandle, movieDrawingCallWhenChanged, movieDrawingCompleteCallback, ( long )this );
// emit an event to say that a media source was loaded
LLMediaEvent event( this );
mEventEmitter.update( &LLMediaObserver::onMediaLoaded, event );
// set up inital state
sizeChanged();
return true;
}
void PosterPreview::setMediaSize(int s)
{
setMediaSize(pageSizeToPageName((KPrinter::PageSize)s));
}
///////////////////////////////////////////////////////////////////////////////
// virtual
bool
LLMediaImplGStreamer::
updateMedia ()
{
DEBUGMSG("updating media...");
// sanity check
if (NULL == mPump
#ifdef LL_GST_SOUNDSINK
|| NULL == mAudioSink
#endif
|| NULL == mPlaybin)
{
DEBUGMSG("dead media...");
return false;
}
// process next outstanding command
switch (nextCommand())
{
case LLMediaBase::COMMAND_START:
DEBUGMSG("COMMAND_START");
if (getStatus() == LLMediaBase::STATUS_PAUSED ||
getStatus() == LLMediaBase::STATUS_NAVIGATING ||
getStatus() == LLMediaBase::STATUS_STOPPED)
{
DEBUGMSG("doing COMMAND_START");
play();
setStatus(LLMediaBase::STATUS_STARTED);
clearCommand();
}
break;
case LLMediaBase::COMMAND_STOP:
DEBUGMSG("COMMAND_STOP");
DEBUGMSG("doing COMMAND_STOP");
stop();
setStatus(LLMediaBase::STATUS_STOPPED);
clearCommand();
break;
case LLMediaBase::COMMAND_PAUSE:
DEBUGMSG("COMMAND_PAUSE");
if (getStatus() == LLMediaBase::STATUS_STARTED)
{
DEBUGMSG("doing COMMAND_PAUSE");
pause();
setStatus(LLMediaBase::STATUS_PAUSED);
clearCommand();
}
break;
default:
DEBUGMSG("COMMAND_?");
clearCommand();
break;
case LLMediaBase::COMMAND_NONE:
break;
}
// deal with results
if (g_main_context_pending(g_main_loop_get_context(mPump)))
{
g_main_context_iteration(g_main_loop_get_context(mPump), FALSE);
}
if (mVideoSink)
{
GST_OBJECT_LOCK(mVideoSink);
if (mVideoSink->retained_frame_ready)
{
DEBUGMSG("NEW FRAME ");
if (mVideoSink->retained_frame_width != getMediaWidth() ||
mVideoSink->retained_frame_height != getMediaHeight())
// *TODO: also check for change in format
{
// just resize containe
int neww = mVideoSink->retained_frame_width;
int newh = mVideoSink->retained_frame_height;
int newd = SLVPixelFormatBytes[mVideoSink->retained_frame_format];
if (SLV_PF_RGBX == mVideoSink->retained_frame_format)
{
mTextureFormatPrimary = LL_MEDIA_RGBA;
mTextureFormatType = LL_MEDIA_UNSIGNED_INT_8_8_8_8_REV;
}
else
{
mTextureFormatPrimary = LL_MEDIA_BGRA;
mTextureFormatType = LL_MEDIA_UNSIGNED_INT_8_8_8_8_REV;
}
mMediaRowbytes = neww * newd;
DEBUGMSG("video container resized to %dx%d",
neww, newh);
delete[] mediaData;
mediaData = new unsigned char[mMediaRowbytes *
newh];
GST_OBJECT_UNLOCK(mVideoSink);
setMediaDepth(newd);
setMediaSize(neww, newh);
return true;
}
// we're gonna totally consume this frame - reset 'ready' flag
mVideoSink->retained_frame_ready = FALSE;
memcpy(mediaData, mVideoSink->retained_frame_data,
mMediaRowbytes * getMediaHeight());
GST_OBJECT_UNLOCK(mVideoSink);
LLMediaEvent event( this );
mEventEmitter.update( &LLMediaObserver::onMediaContentsChange, event );
return true;
}
else
{
// nothing to do yet.
GST_OBJECT_UNLOCK(mVideoSink);
return true;
}
}
return true;
}
////////////////////////////////////////////////////////////////////////////////
// virtual
bool LLMediaImplExample1::setRequestedMediaSize( int width, int height )
{
// we accept any size:
return setMediaSize(width, height);
}
