1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
|
/***************************************************************************
copyright : (C) 2003 by Arnold Krille
email : arnold@arnoldarts.de
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; version 2 of the License. *
* *
***************************************************************************/
#include "krecexport_mp3.h"
#include "krecexport_mp3.moc"
#include "krecglobal.h"
#include <kdebug.h>
#include <tdetempfile.h>
#include <tqfile.h>
#include <tqtimer.h>
#include <kgenericfactory.h>
#include <stdlib.h>
#include <time.h>
#include <tqdatetime.h>
#include <tdemessagebox.h>
#include <tdeconfig.h>
#include <tdemessagebox.h>
// Error code definitions from lame.h
static const char *lame_error[] =
{
I18N_NOOP( "Unknown encoding error." ),
I18N_NOOP( "Buffer was too small." ),
I18N_NOOP( "Memory allocation problem." ),
I18N_NOOP( "Parameter initialisation not performed." ),
I18N_NOOP( "Psycho acoustic problems." ),
I18N_NOOP( "OGG cleanup encoding error." ),
I18N_NOOP( "OGG frame encoding error" )
};
K_EXPORT_COMPONENT_FACTORY( libkrecexport_mp3, KGenericFactory<KRecExport_MP3> )
KRecExport_MP3 krecExportMP3( 0 );
KRecExport_MP3::KRecExport_MP3( TQObject* p, const char* n, const TQStringList& )
: KRecExportItem( p,n )
, _file( 0 )
, error_occurred( false )
, init_done( false )
{
kdDebug( 60005 ) << k_funcinfo << endl;
registerAtGlobal( this );
kdDebug( 60005 ) << "Registered Exports: " << KRecGlobal::the()->exportFormats() << endl;
}
KRecExport_MP3::~KRecExport_MP3() {
kdDebug( 60005 ) << k_funcinfo << endl;
}
KRecExport_MP3* KRecExport_MP3::newItem() {
kdDebug( 60005 ) << k_funcinfo << endl;
return new KRecExport_MP3( 0 );
}
TQStringList KRecExport_MP3::extensions() {
//kdDebug( 60005 ) << k_funcinfo << endl;
TQStringList tmp;
tmp << "*.wav" << "*.WAV";
return tmp;
}
bool KRecExport_MP3::initialize( const TQString &filename ) {
kdDebug( 60005 ) << k_funcinfo << endl;
if ( !_file &&
!( bits()!=16 && channels()!=2 &&
KMessageBox::warningContinueCancel( KRecGlobal::the()->mainWidget(),
i18n( "At this time MP3-Export only supports files in stereo and 16bit." )
) == KMessageBox::Cancel
)
) {
KMessageBox::information( KRecGlobal::the()->mainWidget(),
i18n( "Please note that this plugin takes its qualitysettings from" \
" the corresponding section of the Audio CDs Control Center module" \
" configuration. Make use" \
" of the Control Center to configure these settings." ),
i18n( "Quality Configuration" ), "qualityinfo_mp3" );
_file = new TQFile( filename );
if ( _file->open( IO_Raw|IO_WriteOnly ) ) {
if ( ! init_done ) {
gfp = lame_init();
setLameParameters();
if ( write_id3 ) {
id3tag_init( gfp );
id3tag_v1_only ( gfp );
id3tag_set_album ( gfp, "" );
id3tag_set_artist ( gfp, "" );
id3tag_set_title ( gfp, "" );
id3tag_set_comment( gfp, "krec" );
}
/// Set input parameters right
lame_set_in_samplerate( gfp, this->samplingRate() );
lame_set_num_channels( gfp, this->channels() );
lame_init_params( gfp );
}
if ( _file->size() >= 128 )
_file->at( _file->size() - 128 );
else
_file->at( _file->size() );
} else return false;
return true;
} else return false;
}
bool KRecExport_MP3::process() {
//kdDebug( 60005 ) << k_funcinfo << running << endl;
if ( _file ) {
if ( running() ) {
TQByteArray bytearray( 4096 );
emit getData( bytearray );
int mp3bytes = lame_encode_buffer_interleaved( gfp,
reinterpret_cast<short int *>( bytearray.data() ),
bytearray.size() >> 2, mp3buf, sizeof( mp3buf ) );
if ( mp3bytes > 0 )
_file->writeBlock( reinterpret_cast<char *>( mp3buf ), mp3bytes );
if ( mp3bytes < 0 && ! error_occurred ) {
int code = ( mp3bytes < -6 ) ? 0 : -mp3bytes;
KMessageBox::detailedError( 0, i18n( "MP3 encoding error." ),
i18n( lame_error[ code ] ) );
error_occurred = true;
}
TQTimer::singleShot( 10, this, TQT_SLOT( process() ) );
}
return true;
} else return false;
}
bool KRecExport_MP3::finalize() {
kdDebug( 60005 ) << k_funcinfo << endl;
if ( _file ) {
int mp3bytes = lame_encode_flush( gfp, mp3buf, sizeof( mp3buf ) );
if ( mp3bytes > 0 )
_file->writeBlock( reinterpret_cast<char *>( mp3buf ), mp3bytes );
if ( mp3bytes < 0 && ! error_occurred ) {
int code = ( mp3bytes < -6 ) ? 0 : -mp3bytes;
KMessageBox::detailedError( 0, i18n( "MP3 encoding error." ),
i18n( lame_error[ code ] ) );
error_occurred = true;
}
lame_close( gfp );
_file->close();
delete _file;
_file = 0;
return true;
} else return false;
}
// Derived from tdemultimedia/tdeioslave/audiocd/audiocd.cpp.
// We use the encoding settings from kcmaudiocd.
void KRecExport_MP3::setLameParameters() {
TDEConfig *config;
config = new TDEConfig( "kcmaudiocdrc" );
config->setGroup( "MP3" );
int quality = config->readNumEntry( "quality",2 );
if ( quality < 0 ) quality = 0;
if ( quality > 9 ) quality = 9;
int method = config->readNumEntry( "encmethod",0 );
if ( method == 0 ) {
// Constant Bitrate Encoding
lame_set_VBR( gfp, vbr_off );
lame_set_brate( gfp,config->readNumEntry( "cbrbitrate",160 ) );
lame_set_quality( gfp, quality );
} else {
// Variable Bitrate Encoding
if ( config->readBoolEntry( "set_vbr_avr",true ) ) {
lame_set_VBR( gfp,vbr_abr );
lame_set_VBR_mean_bitrate_kbps( gfp,
config->readNumEntry( "vbr_average_bitrate",0 ) );
} else {
if ( lame_get_VBR( gfp ) == vbr_off ) lame_set_VBR( gfp, vbr_default );
if ( config->readBoolEntry( "set_vbr_min",true ) )
lame_set_VBR_min_bitrate_kbps( gfp,
config->readNumEntry( "vbr_min_bitrate",0 ) );
if ( config->readBoolEntry( "vbr_min_hard",true ) )
lame_set_VBR_hard_min( gfp, 1 );
if ( config->readBoolEntry( "set_vbr_max",true ) )
lame_set_VBR_max_bitrate_kbps( gfp,
config->readNumEntry( "vbr_max_bitrate",0 ) );
lame_set_VBR_q( gfp, quality );
}
if ( config->readBoolEntry( "write_xing_tag",true ) )
lame_set_bWriteVbrTag( gfp, 1 );
}
switch ( config->readNumEntry( "mode",0 ) ) {
case 0: lame_set_mode( gfp, STEREO ); break;
case 1: lame_set_mode( gfp, JOINT_STEREO ); break;
case 2: lame_set_mode( gfp, DUAL_CHANNEL ); break;
case 3: lame_set_mode( gfp, MONO ); break;
default: lame_set_mode( gfp,STEREO ); break;
}
lame_set_copyright( gfp, config->readBoolEntry( "copyright",false ) );
lame_set_original( gfp, config->readBoolEntry( "original",true ) );
lame_set_strict_ISO( gfp, config->readBoolEntry( "iso",false ) );
lame_set_error_protection( gfp, config->readBoolEntry( "crc",false ) );
write_id3 = config->readBoolEntry( "id3",true );
if ( config->readBoolEntry( "enable_lowpassfilter",false ) ) {
lame_set_lowpassfreq( gfp,
config->readNumEntry( "lowpassfilter_freq",0 ) );
if ( config->readBoolEntry( "set_lowpassfilter_width",false ) )
lame_set_lowpasswidth( gfp,
config->readNumEntry( "lowpassfilter_width",0 ) );
}
if ( config->readBoolEntry( "enable_highpassfilter",false ) ) {
lame_set_highpassfreq( gfp,
config->readNumEntry( "highpassfilter_freq",0 ) );
if ( config->readBoolEntry( "set_highpassfilter_width",false ) )
lame_set_highpasswidth( gfp,
config->readNumEntry( "highpassfilter_width",0 ) );
}
delete config;
}
|
