diff options
Diffstat (limited to 'indra/media_plugins/quicktime/media_plugin_quicktime.cpp')
| -rwxr-xr-x | indra/media_plugins/quicktime/media_plugin_quicktime.cpp | 1082 |
1 files changed, 1082 insertions, 0 deletions
diff --git a/indra/media_plugins/quicktime/media_plugin_quicktime.cpp b/indra/media_plugins/quicktime/media_plugin_quicktime.cpp new file mode 100755 index 0000000000..ff1ed8bfbc --- /dev/null +++ b/indra/media_plugins/quicktime/media_plugin_quicktime.cpp @@ -0,0 +1,1082 @@ +/** + * @file media_plugin_quicktime.cpp + * @brief QuickTime plugin for LLMedia API plugin system + * + * @cond + * $LicenseInfo:firstyear=2008&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2010, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + * @endcond + */ + +#include "linden_common.h" + +#include "llgl.h" + +#include "llplugininstance.h" +#include "llpluginmessage.h" +#include "llpluginmessageclasses.h" +#include "media_plugin_base.h" + +#if LL_QUICKTIME_ENABLED + +#if defined(LL_DARWIN) +#include <QuickTime/QuickTime.h> +#elif defined(LL_WINDOWS) +#include "llwin32headers.h" +#include "MacTypes.h" +#include "QTML.h" +#include "Movies.h" +#include "QDoffscreen.h" +#include "FixMath.h" +#include "QTLoadLibraryUtils.h" +#endif + + + +// TODO: Make sure that the only symbol exported from this library is LLPluginInitEntryPoint +//////////////////////////////////////////////////////////////////////////////// +// +class MediaPluginQuickTime : public MediaPluginBase +{ +public: + MediaPluginQuickTime(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data); + ~MediaPluginQuickTime(); + + /* virtual */ void receiveMessage(const char *message_string); + +private: + + int mNaturalWidth; + int mNaturalHeight; + Movie mMovieHandle; + GWorldPtr mGWorldHandle; + ComponentInstance mMovieController; + int mCurVolume; + bool mMediaSizeChanging; + bool mIsLooping; + std::string mMovieTitle; + bool mReceivedTitle; + const int mMinWidth; + const int mMaxWidth; + const int mMinHeight; + const int mMaxHeight; + F64 mPlayRate; + std::string mNavigateURL; + + enum ECommand { + COMMAND_NONE, + COMMAND_STOP, + COMMAND_PLAY, + COMMAND_FAST_FORWARD, + COMMAND_FAST_REWIND, + COMMAND_PAUSE, + COMMAND_SEEK, + }; + ECommand mCommand; + + // Override this to add current time and duration to the message + /*virtual*/ void setDirty(int left, int top, int right, int bottom) + { + LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "updated"); + + message.setValueS32("left", left); + message.setValueS32("top", top); + message.setValueS32("right", right); + message.setValueS32("bottom", bottom); + + if(mMovieHandle) + { + message.setValueReal("current_time", getCurrentTime()); + message.setValueReal("duration", getDuration()); + message.setValueReal("current_rate", Fix2X(GetMovieRate(mMovieHandle))); + } + + sendMessage(message); + } + + + static Rect rectFromSize(int width, int height) + { + Rect result; + + + result.left = 0; + result.top = 0; + result.right = width; + result.bottom = height; + + return result; + } + + Fixed getPlayRate(void) + { + Fixed result; + if(mPlayRate == 0.0f) + { + // Default to the movie's preferred rate + result = GetMoviePreferredRate(mMovieHandle); + if(result == 0) + { + // Don't return a 0 play rate, ever. + std::cerr << "Movie's preferred rate is 0, forcing to 1.0." << std::endl; + result = X2Fix(1.0f); + } + } + else + { + result = X2Fix(mPlayRate); + } + + return result; + } + + void load( const std::string url ) + { + + if ( url.empty() ) + return; + + // Stop and unload any existing movie before starting another one. + unload(); + + setStatus(STATUS_LOADING); + + //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 || noErr != MemError() || NULL == *handle ) + { + setStatus(STATUS_ERROR); + return; + } + + BlockMove( url_string, *handle, ( Size )( url.length() + 1 ) ); + + OSErr err = NewMovieFromDataRef( &mMovieHandle, newMovieActive | newMovieDontInteractWithUser | newMovieAsyncOK | newMovieIdleImportOK, nil, handle, URLDataHandlerSubType ); + DisposeHandle( handle ); + if ( noErr != err ) + { + setStatus(STATUS_ERROR); + return; + }; + + mNavigateURL = url; + LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "navigate_begin"); + message.setValue("uri", mNavigateURL); + sendMessage(message); + + // do pre-roll actions (typically fired for streaming movies but not always) + PrePrerollMovie( mMovieHandle, 0, getPlayRate(), moviePrePrerollCompleteCallback, ( void * )this ); + + Rect movie_rect = rectFromSize(mWidth, mHeight); + + // make a new movie controller + mMovieController = NewMovieController( mMovieHandle, &movie_rect, mcNotVisible | mcTopLeftMovie ); + + // 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 ); + + setStatus(STATUS_LOADED); + + sizeChanged(); + }; + + bool unload() + { + // new movie and have to get title again + mReceivedTitle = false; + + if ( mMovieHandle ) + { + StopMovie( mMovieHandle ); + if ( mMovieController ) + { + MCMovieChanged( mMovieController, mMovieHandle ); + }; + }; + + if ( mMovieController ) + { + MCSetActionFilterWithRefCon( mMovieController, NULL, (long)this ); + DisposeMovieController( mMovieController ); + mMovieController = NULL; + }; + + if ( mMovieHandle ) + { + SetMovieDrawingCompleteProc( mMovieHandle, movieDrawingCallWhenChanged, nil, ( long )this ); + DisposeMovie( mMovieHandle ); + mMovieHandle = NULL; + }; + + mGWorldHandle = NULL; + + setStatus(STATUS_NONE); + + return true; + } + + bool navigateTo( const std::string url ) + { + unload(); + load( url ); + + return true; + }; + + bool sizeChanged() + { + if ( ! mMovieHandle ) + return false; + + // Check to see whether the movie's natural size has updated + { + int width, height; + getMovieNaturalSize(&width, &height); + if((width != 0) && (height != 0) && ((width != mNaturalWidth) || (height != mNaturalHeight))) + { + mNaturalWidth = width; + mNaturalHeight = height; + + LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "size_change_request"); + message.setValue("name", mTextureSegmentName); + message.setValueS32("width", width); + message.setValueS32("height", height); + sendMessage(message); + //std::cerr << "<--- Sending size change request to application with name: " << mTextureSegmentName << " - size is " << width << " x " << height << std::endl; + } + } + + + // sanitize destination size + Rect dest_rect = rectFromSize(mWidth, mHeight); + + // media depth won't change + int depth_bits = mDepth * 8; + long rowbytes = mDepth * mTextureWidth; + + if(mPixels != NULL) + { + // We have pixels. Set up a GWorld pointing at the texture. + OSErr result = QTNewGWorldFromPtr( &mGWorldHandle, depth_bits, &dest_rect, NULL, NULL, 0, (Ptr)mPixels, rowbytes); + if ( noErr != result ) + { + // TODO: unrecoverable?? throw exception? return something? + return false; + } + } + else + { + // We don't have pixels. Create a fake GWorld we can point the movie at when it's not safe to render normally. + Rect tempRect = rectFromSize(1, 1); + OSErr result = QTNewGWorld( &mGWorldHandle, depth_bits, &tempRect, NULL, NULL, 0); + if ( noErr != result ) + { + // TODO: unrecoverable?? throw exception? return something? + return false; + } + } + + SetMovieGWorld( mMovieHandle, mGWorldHandle, NULL ); + + // Set up the movie display matrix + { + // scale movie to fit rect and invert vertically to match opengl image format + MatrixRecord transform; + SetIdentityMatrix( &transform ); // transforms are additive so start from identify matrix + double scaleX = (double) mWidth / mNaturalWidth; + double scaleY = -1.0 * (double) mHeight / mNaturalHeight; + double centerX = mWidth / 2.0; + double centerY = mHeight / 2.0; + ScaleMatrix( &transform, X2Fix( scaleX ), X2Fix( scaleY ), X2Fix( centerX ), X2Fix( centerY ) ); + SetMovieMatrix( mMovieHandle, &transform ); + } + + // update movie controller + if ( mMovieController ) + { + MCSetControllerPort( mMovieController, mGWorldHandle ); + MCPositionController( mMovieController, &dest_rect, &dest_rect, + mcTopLeftMovie | mcPositionDontInvalidate ); + MCMovieChanged( mMovieController, mMovieHandle ); + } + + + // Emit event with size change so the calling app knows about it too + // TODO: + //LLMediaEvent event( this ); + //mEventEmitter.update( &LLMediaObserver::onMediaSizeChange, event ); + + return true; + } + static Boolean mcActionFilterCallBack( MovieController mc, short action, void *params, long ref ) + { + Boolean result = false; + + MediaPluginQuickTime* self = ( MediaPluginQuickTime* )ref; + + switch( action ) + { + // handle window resizing + case mcActionControllerSizeChanged: + // Ensure that the movie draws correctly at the new size + self->sizeChanged(); + break; + + // Block any movie controller actions that open URLs. + case mcActionLinkToURL: + case mcActionGetNextURL: + case mcActionLinkToURLExtended: + // Prevent the movie controller from handling the message + result = true; + break; + + default: + break; + }; + + return result; + }; + + static OSErr movieDrawingCompleteCallback( Movie call_back_movie, long ref ) + { + MediaPluginQuickTime* self = ( MediaPluginQuickTime* )ref; + + // IMPORTANT: typically, a consumer who is observing this event will set a flag + // when this event is fired then render later. Be aware that the media stream + // can change during this period - dimensions, depth, format etc. + //LLMediaEvent event( self ); +// self->updateQuickTime(); + // TODO ^^^ + + + if ( self->mWidth > 0 && self->mHeight > 0 ) + self->setDirty( 0, 0, self->mWidth, self->mHeight ); + + return noErr; + }; + + static void moviePrePrerollCompleteCallback( Movie movie, OSErr preroll_err, void *ref ) + { + MediaPluginQuickTime* self = ( MediaPluginQuickTime* )ref; + + // TODO: + //LLMediaEvent event( self ); + //self->mEventEmitter.update( &LLMediaObserver::onMediaPreroll, event ); + + // Send a "navigate complete" event. + LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "navigate_complete"); + message.setValue("uri", self->mNavigateURL); + message.setValueS32("result_code", 200); + message.setValue("result_string", "OK"); + self->sendMessage(message); + }; + + + void rewind() + { + GoToBeginningOfMovie( mMovieHandle ); + MCMovieChanged( mMovieController, mMovieHandle ); + }; + + bool processState() + { + if ( mCommand == COMMAND_PLAY ) + { + if ( mStatus == STATUS_LOADED || mStatus == STATUS_PAUSED || mStatus == STATUS_PLAYING || mStatus == STATUS_DONE ) + { + long state = GetMovieLoadState( mMovieHandle ); + + if ( state >= kMovieLoadStatePlaythroughOK ) + { + // if the movie is at the end (generally because it reached it naturally) + // and we play is requested, jump back to the start of the movie. + // note: this is different from having loop flag set. + if ( IsMovieDone( mMovieHandle ) ) + { + Fixed rate = X2Fix( 0.0 ); + MCDoAction( mMovieController, mcActionPlay, (void*)rate ); + rewind(); + }; + + MCDoAction( mMovieController, mcActionPrerollAndPlay, (void*)getPlayRate() ); + MCDoAction( mMovieController, mcActionSetVolume, (void*)mCurVolume ); + setStatus(STATUS_PLAYING); + mCommand = COMMAND_NONE; + }; + }; + } + else + if ( mCommand == COMMAND_STOP ) + { + if ( mStatus == STATUS_PLAYING || mStatus == STATUS_PAUSED || mStatus == STATUS_DONE ) + { + if ( GetMovieLoadState( mMovieHandle ) >= kMovieLoadStatePlaythroughOK ) + { + Fixed rate = X2Fix( 0.0 ); + MCDoAction( mMovieController, mcActionPlay, (void*)rate ); + rewind(); + + setStatus(STATUS_LOADED); + mCommand = COMMAND_NONE; + }; + }; + } + else + if ( mCommand == COMMAND_PAUSE ) + { + if ( mStatus == STATUS_PLAYING ) + { + if ( GetMovieLoadState( mMovieHandle ) >= kMovieLoadStatePlaythroughOK ) + { + Fixed rate = X2Fix( 0.0 ); + MCDoAction( mMovieController, mcActionPlay, (void*)rate ); + setStatus(STATUS_PAUSED); + mCommand = COMMAND_NONE; + }; + }; + }; + + return true; + }; + + void play(F64 rate) + { + mPlayRate = rate; + mCommand = COMMAND_PLAY; + }; + + void stop() + { + mCommand = COMMAND_STOP; + }; + + void pause() + { + mCommand = COMMAND_PAUSE; + }; + + void getMovieNaturalSize(int *movie_width, int *movie_height) + { + Rect rect; + + GetMovieNaturalBoundsRect( mMovieHandle, &rect ); + + int width = ( rect.right - rect.left ); + int height = ( rect.bottom - rect.top ); + + // make sure width and height fall in valid range + if ( width < mMinWidth ) + width = mMinWidth; + + if ( width > mMaxWidth ) + width = mMaxWidth; + + if ( height < mMinHeight ) + height = mMinHeight; + + if ( height > mMaxHeight ) + height = mMaxHeight; + + // return the new rect + *movie_width = width; + *movie_height = height; + } + + void updateQuickTime(int milliseconds) + { + if ( ! mMovieHandle ) + return; + + if ( ! mMovieController ) + return; + + // this wasn't required in 1.xx viewer but we have to manually + // work the Windows message pump now + #if defined( LL_WINDOWS ) + MSG msg; + while ( PeekMessage( &msg, NULL, 0, 0, PM_NOREMOVE ) ) + { + GetMessage( &msg, NULL, 0, 0 ); + TranslateMessage( &msg ); + DispatchMessage( &msg ); + }; + #endif + + MCIdle( mMovieController ); + + if ( ! mGWorldHandle ) + return; + + if ( mMediaSizeChanging ) + return; + + // update state machine + processState(); + + // see if title arrived and if so, update member variable with contents + checkTitle(); + + // QT call to see if we are at the end - can't do with controller + if ( IsMovieDone( mMovieHandle ) ) + { + // special code for looping - need to rewind at the end of the movie + if ( mIsLooping ) + { + // go back to start + rewind(); + + if ( mMovieController ) + { + // kick off new play + MCDoAction( mMovieController, mcActionPrerollAndPlay, (void*)getPlayRate() ); + + // set the volume + MCDoAction( mMovieController, mcActionSetVolume, (void*)mCurVolume ); + }; + } + else + { + if(mStatus == STATUS_PLAYING) + { + setStatus(STATUS_DONE); + } + } + } + + }; + + void seek( F64 time ) + { + if ( mMovieController ) + { + TimeRecord when; + when.scale = GetMovieTimeScale( mMovieHandle ); + when.base = 0; + + // 'time' is in (floating point) seconds. The timebase time will be in 'units', where + // there are 'scale' units per second. + SInt64 raw_time = ( SInt64 )( time * (double)( when.scale ) ); + + when.value.hi = ( SInt32 )( raw_time >> 32 ); + when.value.lo = ( SInt32 )( ( raw_time & 0x00000000FFFFFFFF ) ); + + MCDoAction( mMovieController, mcActionGoToTime, &when ); + }; + }; + + F64 getLoadedDuration() + { + TimeValue duration; + if(GetMaxLoadedTimeInMovie( mMovieHandle, &duration ) != noErr) + { + // If GetMaxLoadedTimeInMovie returns an error, return the full duration of the movie. + duration = GetMovieDuration( mMovieHandle ); + } + TimeValue scale = GetMovieTimeScale( mMovieHandle ); + + return (F64)duration / (F64)scale; + }; + + F64 getDuration() + { + TimeValue duration = GetMovieDuration( mMovieHandle ); + TimeValue scale = GetMovieTimeScale( mMovieHandle ); + + return (F64)duration / (F64)scale; + }; + + F64 getCurrentTime() + { + TimeValue curr_time = GetMovieTime( mMovieHandle, 0 ); + TimeValue scale = GetMovieTimeScale( mMovieHandle ); + + return (F64)curr_time / (F64)scale; + }; + + void setVolume( F64 volume ) + { + mCurVolume = (short)(volume * ( double ) 0x100 ); + + if ( mMovieController ) + { + MCDoAction( mMovieController, mcActionSetVolume, (void*)mCurVolume ); + }; + }; + + //////////////////////////////////////////////////////////////////////////////// + // + void update(int milliseconds = 0) + { + updateQuickTime(milliseconds); + }; + + //////////////////////////////////////////////////////////////////////////////// + // + void mouseDown( int x, int y ) + { + }; + + //////////////////////////////////////////////////////////////////////////////// + // + void mouseUp( int x, int y ) + { + }; + + //////////////////////////////////////////////////////////////////////////////// + // + void mouseMove( int x, int y ) + { + }; + + //////////////////////////////////////////////////////////////////////////////// + // + void keyPress( unsigned char key ) + { + }; + + //////////////////////////////////////////////////////////////////////////////// + // Grab movie title into mMovieTitle - should be called repeatedly + // until it returns true since movie title takes a while to become + // available. + const bool getMovieTitle() + { + // grab meta data from movie + QTMetaDataRef media_data_ref; + OSErr result = QTCopyMovieMetaData( mMovieHandle, &media_data_ref ); + if ( noErr != result ) + return false; + + // look up "Display Name" in meta data + OSType meta_data_key = kQTMetaDataCommonKeyDisplayName; + QTMetaDataItem item = kQTMetaDataItemUninitialized; + result = (OSErr)QTMetaDataGetNextItem( media_data_ref, kQTMetaDataStorageFormatWildcard, + 0, kQTMetaDataKeyFormatCommon, + (const UInt8 *)&meta_data_key, + sizeof( meta_data_key ), &item ); + if ( noErr != result ) + return false; + + // find the size of the title + ByteCount size; + result = (OSErr)QTMetaDataGetItemValue( media_data_ref, item, NULL, 0, &size ); + if ( noErr != result || size <= 0 /*|| size > 1024 FIXME: arbitrary limit */ ) + return false; + + // allocate some space and grab it + UInt8* item_data = new UInt8[ size + 1 ]; + memset( item_data, 0, ( size + 1 ) * sizeof( UInt8 ) ); + result = (OSErr)QTMetaDataGetItemValue( media_data_ref, item, item_data, size, NULL ); + if ( noErr != result ) + { + delete [] item_data; + return false; + }; + + // save it + if ( strlen( (char*)item_data ) ) + mMovieTitle = std::string( (char* )item_data ); + else + mMovieTitle = ""; + + // clean up + delete [] item_data; + + return true; + }; + + // called regularly to see if title changed + void checkTitle() + { + // we did already receive title so keep checking + if ( ! mReceivedTitle ) + { + // grab title from movie meta data + if ( getMovieTitle() ) + { + // pass back to host application + LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "name_text"); + message.setValue("name", mMovieTitle ); + sendMessage( message ); + + // stop looking once we find a title for this movie. + // TODO: this may to be reset if movie title changes + // during playback but this is okay for now + mReceivedTitle = true; + }; + }; + }; +}; + +MediaPluginQuickTime::MediaPluginQuickTime( + LLPluginInstance::sendMessageFunction host_send_func, + void *host_user_data ) : + MediaPluginBase(host_send_func, host_user_data), + mMinWidth( 0 ), + mMaxWidth( 2048 ), + mMinHeight( 0 ), + mMaxHeight( 2048 ) +{ +// std::cerr << "MediaPluginQuickTime constructor" << std::endl; + + mNaturalWidth = -1; + mNaturalHeight = -1; + mMovieHandle = 0; + mGWorldHandle = 0; + mMovieController = 0; + mCurVolume = 0x99; + mMediaSizeChanging = false; + mIsLooping = false; + mMovieTitle = std::string(); + mReceivedTitle = false; + mCommand = COMMAND_NONE; + mPlayRate = 0.0f; + mStatus = STATUS_NONE; +} + +MediaPluginQuickTime::~MediaPluginQuickTime() +{ +// std::cerr << "MediaPluginQuickTime destructor" << std::endl; + + ExitMovies(); + +#ifdef LL_WINDOWS + TerminateQTML(); +// std::cerr << "QuickTime closing down" << std::endl; +#endif +} + + +void MediaPluginQuickTime::receiveMessage(const char *message_string) +{ +// std::cerr << "MediaPluginQuickTime::receiveMessage: received message: \"" << message_string << "\"" << std::endl; + LLPluginMessage message_in; + + if(message_in.parse(message_string) >= 0) + { + std::string message_class = message_in.getClass(); + std::string message_name = message_in.getName(); + if(message_class == LLPLUGIN_MESSAGE_CLASS_BASE) + { + if(message_name == "init") + { + LLPluginMessage message("base", "init_response"); + LLSD versions = LLSD::emptyMap(); + versions[LLPLUGIN_MESSAGE_CLASS_BASE] = LLPLUGIN_MESSAGE_CLASS_BASE_VERSION; + versions[LLPLUGIN_MESSAGE_CLASS_MEDIA] = LLPLUGIN_MESSAGE_CLASS_MEDIA_VERSION; + // Normally a plugin would only specify one of these two subclasses, but this is a demo... + versions[LLPLUGIN_MESSAGE_CLASS_MEDIA_TIME] = LLPLUGIN_MESSAGE_CLASS_MEDIA_TIME_VERSION; + message.setValueLLSD("versions", versions); + + #ifdef LL_WINDOWS + + // QuickTime 7.6.4 has an issue (that was not present in 7.6.2) with initializing QuickTime + // according to this article: http://lists.apple.com/archives/QuickTime-API/2009/Sep/msg00097.html + // The solution presented there appears to work. + QTLoadLibrary("qtcf.dll"); + + // main initialization for QuickTime - only required on Windows + OSErr result = InitializeQTML( 0L ); + if ( result != noErr ) + { + //TODO: If no QT on Windows, this fails - respond accordingly. + } + else + { + //std::cerr << "QuickTime initialized" << std::endl; + }; + #endif + + // required for both Windows and Mac + EnterMovies(); + + std::string plugin_version = "QuickTime media plugin, QuickTime version "; + + long version = 0; + Gestalt( gestaltQuickTimeVersion, &version ); + std::ostringstream codec( "" ); + codec << std::hex << version << std::dec; + plugin_version += codec.str(); + message.setValue("plugin_version", plugin_version); + sendMessage(message); + } + else if(message_name == "idle") + { + // no response is necessary here. + F64 time = message_in.getValueReal("time"); + + // Convert time to milliseconds for update() + update((int)(time * 1000.0f)); + } + else if(message_name == "cleanup") + { + // TODO: clean up here + } + else if(message_name == "shm_added") + { + SharedSegmentInfo info; + info.mAddress = message_in.getValuePointer("address"); + info.mSize = (size_t)message_in.getValueS32("size"); + std::string name = message_in.getValue("name"); +// std::cerr << "MediaPluginQuickTime::receiveMessage: shared memory added, name: " << name +// << ", size: " << info.mSize +// << ", address: " << info.mAddress +// << std::endl; + + mSharedSegments.insert(SharedSegmentMap::value_type(name, info)); + + } + else if(message_name == "shm_remove") + { + std::string name = message_in.getValue("name"); + +// std::cerr << "MediaPluginQuickTime::receiveMessage: shared memory remove, name = " << name << std::endl; + + SharedSegmentMap::iterator iter = mSharedSegments.find(name); + if(iter != mSharedSegments.end()) + { + if(mPixels == iter->second.mAddress) + { + // This is the currently active pixel buffer. Make sure we stop drawing to it. + mPixels = NULL; + mTextureSegmentName.clear(); + + // Make sure the movie GWorld is no longer pointed at the shared segment. + sizeChanged(); + } + mSharedSegments.erase(iter); + } + else + { +// std::cerr << "MediaPluginQuickTime::receiveMessage: unknown shared memory region!" << std::endl; + } + + // Send the response so it can be cleaned up. + LLPluginMessage message("base", "shm_remove_response"); + message.setValue("name", name); + sendMessage(message); + } + else + { +// std::cerr << "MediaPluginQuickTime::receiveMessage: unknown base message: " << message_name << std::endl; + } + } + else if(message_class == LLPLUGIN_MESSAGE_CLASS_MEDIA) + { + if(message_name == "init") + { + // This is the media init message -- all necessary data for initialization should have been received. + + // Plugin gets to decide the texture parameters to use. + LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "texture_params"); + #if defined(LL_WINDOWS) + // Values for Windows + mDepth = 3; + message.setValueU32("format", GL_RGB); + message.setValueU32("type", GL_UNSIGNED_BYTE); + + // We really want to pad the texture width to a multiple of 32 bytes, but since we're using 3-byte pixels, it doesn't come out even. + // Padding to a multiple of 3*32 guarantees it'll divide out properly. + message.setValueU32("padding", 32 * 3); + #else + // Values for Mac + mDepth = 4; + message.setValueU32("format", GL_BGRA_EXT); + #ifdef __BIG_ENDIAN__ + message.setValueU32("type", GL_UNSIGNED_INT_8_8_8_8_REV ); + #else + message.setValueU32("type", GL_UNSIGNED_INT_8_8_8_8); + #endif + + // Pad texture width to a multiple of 32 bytes, to line up with cache lines. + message.setValueU32("padding", 32); + #endif + message.setValueS32("depth", mDepth); + message.setValueU32("internalformat", GL_RGB); + message.setValueBoolean("coords_opengl", true); // true == use OpenGL-style coordinates, false == (0,0) is upper left. + message.setValueBoolean("allow_downsample", true); + sendMessage(message); + } + else if(message_name == "size_change") + { + std::string name = message_in.getValue("name"); + S32 width = message_in.getValueS32("width"); + S32 height = message_in.getValueS32("height"); + S32 texture_width = message_in.getValueS32("texture_width"); + S32 texture_height = message_in.getValueS32("texture_height"); + + //std::cerr << "---->Got size change instruction from application with name: " << name << " - size is " << width << " x " << height << std::endl; + + LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "size_change_response"); + message.setValue("name", name); + message.setValueS32("width", width); + message.setValueS32("height", height); + message.setValueS32("texture_width", texture_width); + message.setValueS32("texture_height", texture_height); + sendMessage(message); + + if(!name.empty()) + { + // Find the shared memory region with this name + SharedSegmentMap::iterator iter = mSharedSegments.find(name); + if(iter != mSharedSegments.end()) + { +// std::cerr << "%%% Got size change, new size is " << width << " by " << height << std::endl; +// std::cerr << "%%%% texture size is " << texture_width << " by " << texture_height << std::endl; + + mPixels = (unsigned char*)iter->second.mAddress; + mTextureSegmentName = name; + mWidth = width; + mHeight = height; + + mTextureWidth = texture_width; + mTextureHeight = texture_height; + + mMediaSizeChanging = false; + + sizeChanged(); + + update(); + }; + }; + } + else if(message_name == "load_uri") + { + std::string uri = message_in.getValue("uri"); + load( uri ); + sendStatus(); + } + else if(message_name == "mouse_event") + { + std::string event = message_in.getValue("event"); + S32 x = message_in.getValueS32("x"); + S32 y = message_in.getValueS32("y"); + + if(event == "down") + { + mouseDown(x, y); + } + else if(event == "up") + { + mouseUp(x, y); + } + else if(event == "move") + { + mouseMove(x, y); + }; + }; + } + else if(message_class == LLPLUGIN_MESSAGE_CLASS_MEDIA_TIME) + { + if(message_name == "stop") + { + stop(); + } + else if(message_name == "start") + { + F64 rate = 0.0; + if(message_in.hasValue("rate")) + { + rate = message_in.getValueReal("rate"); + } + play(rate); + } + else if(message_name == "pause") + { + pause(); + } + else if(message_name == "seek") + { + F64 time = message_in.getValueReal("time"); + seek(time); + } + else if(message_name == "set_loop") + { + bool loop = message_in.getValueBoolean("loop"); + mIsLooping = loop; + } + else if(message_name == "set_volume") + { + F64 volume = message_in.getValueReal("volume"); + setVolume(volume); + } + } + else + { +// std::cerr << "MediaPluginQuickTime::receiveMessage: unknown message class: " << message_class << std::endl; + }; + }; +} + +int init_media_plugin(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data, LLPluginInstance::sendMessageFunction *plugin_send_func, void **plugin_user_data) +{ + MediaPluginQuickTime *self = new MediaPluginQuickTime(host_send_func, host_user_data); + *plugin_send_func = MediaPluginQuickTime::staticReceiveMessage; + *plugin_user_data = (void*)self; + + return 0; +} + +#else // LL_QUICKTIME_ENABLED + +// Stubbed-out class with constructor/destructor (necessary or windows linker +// will just think its dead code and optimize it all out) +class MediaPluginQuickTime : public MediaPluginBase +{ +public: + MediaPluginQuickTime(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data); + ~MediaPluginQuickTime(); + /* virtual */ void receiveMessage(const char *message_string); +}; + +MediaPluginQuickTime::MediaPluginQuickTime( + LLPluginInstance::sendMessageFunction host_send_func, + void *host_user_data ) : + MediaPluginBase(host_send_func, host_user_data) +{ + // no-op +} + +MediaPluginQuickTime::~MediaPluginQuickTime() +{ + // no-op +} + +void MediaPluginQuickTime::receiveMessage(const char *message_string) +{ + // no-op +} + +// We're building without quicktime enabled. Just refuse to initialize. +int init_media_plugin(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data, LLPluginInstance::sendMessageFunction *plugin_send_func, void **plugin_user_data) +{ + return -1; +} + +#endif // LL_QUICKTIME_ENABLED |