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/**********************************************************************
** Copyright (C) 2001 Trolltech AS. All rights reserved.
**
** This file is part of 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 LIBMPEG3_PLUGIN_H
#define LIBMPEG3_PLUGIN_H
#include <qstring.h>
#include <qapplication.h>
#include "libmpeg3.h"
#include "mpeg3protos.h"
#include "mediaplayerplugininterface.h"
class LibMpeg3Plugin : public MediaPlayerDecoder {
public:
LibMpeg3Plugin() { file = NULL; }
~LibMpeg3Plugin() { close(); }
const char *pluginName() { return "LibMpeg3Plugin"; }
const char *pluginComment() { return "This is the libmpeg3 library writen by ... which has been modified by trolltech to use fixed point maths"; }
double pluginVersion() { return 1.0; }
bool isFileSupported( const QString& fileName ) { return mpeg3_check_sig( (char *)fileName.latin1() ) == 1; }
bool open( const QString& fileName ) { file = mpeg3_open( (char *)fileName.latin1() ); return file != NULL; }
bool close() { if ( file ) { int r = mpeg3_close( file ); file = NULL; return r == 1; } return FALSE; }
bool isOpen() { return file != NULL; }
const QString &fileInfo() { return strInfo = QString( "" ); }
// If decoder doesn't support audio then return 0 here
int audioStreams() { return file ? mpeg3_total_astreams( file ) : 0; }
int audioChannels( int stream ) { return file ? mpeg3_audio_channels( file, stream ) : 0; }
int audioFrequency( int stream ) { return file ? mpeg3_sample_rate( file, stream ) : 0; }
int audioSamples( int stream ) { return file ? mpeg3_audio_samples( file, stream ) : 0; }
bool audioSetSample( long sample, int stream ) { return file ? mpeg3_set_sample( file, sample, stream) == 1 : FALSE; }
long audioGetSample( int stream ) { return file ? mpeg3_get_sample( file, stream ) : 0; }
// bool audioReadMonoSamples( short *output, long samples, long& samplesRead, int stream );
// bool audioReadStereoSamples( short *output, long samples, long& samplesRead, int stream );
bool audioReadSamples( short *output, int channels, long samples, long& samplesRead, int stream );
// bool audioReadSamples( short *output, int channel, long samples, int stream );
// bool audioReReadSamples( short *output, int channel, long samples, int stream );
// If decoder doesn't support video then return 0 here
int videoStreams() { return file ? mpeg3_total_vstreams( file ) : 0; }
int videoWidth( int stream ) { return file ? mpeg3_video_width( file, stream ) : 0; }
int videoHeight( int stream ) { return file ? mpeg3_video_height( file, stream ) : 0; }
double videoFrameRate( int stream ) { return file ? mpeg3_frame_rate( file, stream ) : 0.0; }
int videoFrames( int stream )
{ return file ? mpeg3_video_frames( file, stream ) : 0; }
/*
{
if ( file ) {
int frames = mpeg3_video_frames( file, stream );
if ( frames == 1 ) {
int res = mpeg3_seek_percentage( file, 0.99 );
printf("res: %i\n", res );
mpeg3video_seek( file->vtrack[stream]->video );
frames = mpeg3_get_frame( file, stream );
mpeg3_seek_percentage( file, 0.0 );
}
return frames;
}
return 0;
}
*/
bool videoSetFrame( long frame, int stream ) { return file ? mpeg3_set_frame( file, frame, stream) == 1 : FALSE; }
long videoGetFrame( int stream ) { return file ? mpeg3_get_frame( file, stream ) : 0; }
bool videoReadFrame( unsigned char **output_rows, int in_x, int in_y, int in_w, int in_h, ColorFormat color_model, int stream );
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 );
bool videoReadYUVFrame( char *y_output, char *u_output, char *v_output, int in_x, int in_y, int in_w, int in_h, int stream );
// Profiling
double getTime() { return file ? mpeg3_get_time( file ) : 0.0; }
// Ignore if these aren't supported
bool setSMP( int cpus ) { return file ? mpeg3_set_cpus( file, cpus ) == 1 : FALSE; }
bool setMMX( bool useMMX ) { return file ? mpeg3_set_mmx( file, useMMX ) == 1 : FALSE; }
// Capabilities
bool supportsAudio() { return TRUE; }
bool supportsVideo() { return TRUE; }
bool supportsYUV() { return TRUE; }
bool supportsMMX() { return TRUE; }
bool supportsSMP() { return TRUE; }
bool supportsStereo() { return TRUE; }
bool supportsScaling() { return TRUE; }
private:
mpeg3_t *file;
QString strInfo;
};
#endif
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