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This is the verbatim text of the mediaplayerplugininterface.h include file. It is provided only for illustration; the copyright remains with Trolltech.
/********************************************************************** ** Copyright (C) 2000-2002 Trolltech AS. All rights reserved. ** ** This file is part of the Qtopia Environment. ** ** This file may be distributed and/or modified under the terms of the ** GNU General Public License version 2 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ** See http://www.trolltech.com/gpl/ for GPL licensing information. ** ** Contact info@trolltech.com if any conditions of this licensing are ** not clear to you. ** **********************************************************************/ #ifndef MEDIA_PLAYER_PLUGIN_INTERFACE_H #define MEDIA_PLAYER_PLUGIN_INTERFACE_H #include <qtopia/qcom.h> #include <qstring.h> #include <qurl.h> #ifndef QT_NO_COMPONENT // {c0093632-b44c-4cf7-a279-d82fe8a8890c} # ifndef IID_MediaPlayerPlugin # define IID_MediaPlayerPlugin QUuid( 0xc0093632, 0xb44c, 0x4cf7, 0xa2, 0x79, 0xd8, 0x2f, 0xe8, 0xa8, 0x89, 0x0c ) # endif #endif enum ColorFormat { RGB565, BGR565, RGBA8888, BGRA8888 }; class MediaPlayerDecoder { public: virtual ~MediaPlayerDecoder() { }; // About Plugin virtual const char *pluginName() = 0; virtual const char *pluginComment() = 0; virtual double pluginVersion() = 0; virtual bool isFileSupported( const QString& file ) = 0; virtual bool open( const QString& file ) = 0; virtual bool close() = 0; virtual bool isOpen() = 0; virtual const QString &fileInfo() = 0; // If decoder doesn't support audio then return 0 here virtual int audioStreams() = 0; virtual int audioChannels( int stream ) = 0; virtual int audioFrequency( int stream ) = 0; virtual int audioSamples( int stream ) = 0; virtual bool audioSetSample( long sample, int stream ) = 0; virtual long audioGetSample( int stream ) = 0; virtual bool audioReadSamples( short *samples, int channels, long count, long& samplesRead, int stream ) = 0; // If decoder doesn't support video then return 0 here virtual int videoStreams() = 0; virtual int videoWidth( int stream ) = 0; virtual int videoHeight( int stream ) = 0; virtual double videoFrameRate( int stream ) = 0; // frames per second (this may change to frames/1000secs) virtual int videoFrames( int stream ) = 0; virtual bool videoSetFrame( long sample, int stream ) = 0; virtual long videoGetFrame( int stream ) = 0; virtual bool videoReadFrame( unsigned char **, int, int, int, int, ColorFormat, int ) = 0; virtual bool videoReadScaledFrame( unsigned char **output_rows, int in_x, int in_y, int in_w, int in_h, int out_w, int out_h, ColorFormat color_model, int stream ) = 0; virtual bool videoReadYUVFrame( char *, char *, char *, int, int, int, int, int ) = 0; // Profiling virtual double getTime() = 0; // Ignore if these aren't supported virtual bool setSMP( int cpus ) = 0; virtual bool setMMX( bool useMMX ) = 0; // Capabilities virtual bool supportsAudio() = 0; virtual bool supportsVideo() = 0; virtual bool supportsYUV() = 0; virtual bool supportsMMX() = 0; virtual bool supportsSMP() = 0; virtual bool supportsStereo() = 0; virtual bool supportsScaling() = 0; // File Properies virtual long getPlayTime() { return -1; } }; class MediaPlayerEncoder; #ifndef QT_NO_COMPONENT // {4193445c-ed33-11d6-93da-0050bad6ea87} # ifndef IID_MediaPlayerPlugin_1_6 # define IID_MediaPlayerPlugin_1_6 QUuid( 0x4193445c, 0xed33, 0x11d6, 0x93, 0xda, 0x00, 0x50, 0xba, 0xd6, 0xea, 0x87 ) # endif #endif class MediaPlayerDecoder_1_6 : public MediaPlayerDecoder { public: // Streaming and seeking availability extensions for 1.6 virtual bool supportsStreaming() = 0; // plugin feature virtual bool canStreamURL( const QUrl& url, const QString& mimetype ) = 0; // Test if the URL is supported virtual bool openURL( const QUrl& url, const QString& mimetype ) = 0; // Opens a URL for streaming virtual bool streamed() = 0; // Is the open file a streamed file virtual bool syncAvailable() = 0; virtual bool sync() = 0; // sync up the video to the catch up to the audio virtual bool seekAvailable() = 0; // Availability depends on stream virtual bool seek( long pos ) = 0; // seek to byte offset from beginning virtual bool tellAvailable() = 0; // Hard to imagine why this wouldn't be possible virtual long tell() = 0; // byte offset from beginning virtual bool lengthAvailable() = 0; // Availability depends on stream virtual long length() = 0; // in bytes virtual bool totalTimeAvailable() = 0; // Availability depends on stream virtual long totalTime() = 0; // in milliseconds virtual bool currentTimeAvailable() = 0; // Availability depends on stream virtual long currentTime() = 0; // in milliseconds /* virtual bool supportsQuality() = 0; // plugin feature virtual int quality() = 0; // Value from 0-100 virtual void setQuality(int) = 0; // Hint to decoder to run faster (loose quality) virtual bool playtimeAvailable() = 0; // Availability depends on stream virtual long playtime() = 0; virtual bool timestampsAvailable() = 0; // Availability depends on stream virtual long timestamp() = 0; */ }; class MediaPlayerEncoder_1_6; struct MediaPlayerPluginInterface : public QUnknownInterface { virtual MediaPlayerDecoder *decoder() = 0; virtual MediaPlayerEncoder *encoder() = 0; }; #endif
Copyright © 2001-2002 Trolltech | Trademarks | Qtopia version 1.7.1
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