source: smplayer/trunk/src/inforeader.cpp@ 108

Last change on this file since 108 was 93, checked in by Silvan Scherrer, 15 years ago

smplayer: 0.6.9
File size: 7.6 KB
Line 
1/* smplayer, GUI front-end for mplayer.
2 Copyright (C) 2006-2010 Ricardo Villalba <rvm@escomposlinux.org>
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17*/
18
19#include "inforeader.h"
20#include <QStringList>
21#include <QApplication>
22#include <QRegExp>
23
24#include "colorutils.h"
25#include "global.h"
26#include "preferences.h"
27#include "mplayerversion.h"
28
29#if USE_QPROCESS
30#include <QProcess>
31#else
32#include "myprocess.h"
33#endif
34
35using namespace Global;
36
37#define NOME 0
38#define VO 1
39#define AO 2
40#define DEMUXER 3
41#define VC 4
42#define AC 5
43
44InfoReader * InfoReader::static_obj = 0;
45
46InfoReader * InfoReader::obj() {
47 if (!static_obj) {
48 static_obj = new InfoReader( pref->mplayer_bin );
49 static_obj->getInfo();
50 }
51 return static_obj;
52}
53
54InfoReader::InfoReader( QString mplayer_bin, QObject * parent )
55 : QObject(parent)
56{
57 mplayerbin = mplayer_bin;
58
59#if USE_QPROCESS
60 proc = new QProcess(this);
61 proc->setProcessChannelMode( QProcess::MergedChannels );
62#else
63 proc = new MyProcess(this);
64
65 connect( proc, SIGNAL(lineAvailable(QByteArray)),
66 this, SLOT(readLine(QByteArray)) );
67#endif
68}
69
70InfoReader::~InfoReader() {
71}
72
73void InfoReader::getInfo() {
74 waiting_for_key = TRUE;
75 vo_list.clear();
76 ao_list.clear();
77 demuxer_list.clear();
78 mplayer_svn = -1;
79
80 run("-identify -vo help -ao help -demuxer help -vc help -ac help");
81
82 //list();
83}
84
85void InfoReader::list() {
86 qDebug("InfoReader::list");
87
88 InfoList::iterator it;
89
90 qDebug(" vo_list:");
91 for ( it = vo_list.begin(); it != vo_list.end(); ++it ) {
92 qDebug( "driver: '%s', desc: '%s'", (*it).name().toUtf8().data(), (*it).desc().toUtf8().data());
93 }
94
95 qDebug(" ao_list:");
96 for ( it = ao_list.begin(); it != ao_list.end(); ++it ) {
97 qDebug( "driver: '%s', desc: '%s'", (*it).name().toUtf8().data(), (*it).desc().toUtf8().data());
98 }
99
100 qDebug(" demuxer_list:");
101 for ( it = demuxer_list.begin(); it != demuxer_list.end(); ++it ) {
102 qDebug( "demuxer: '%s', desc: '%s'", (*it).name().toUtf8().data(), (*it).desc().toUtf8().data());
103 }
104
105 qDebug(" vc_list:");
106 for ( it = vc_list.begin(); it != vc_list.end(); ++it ) {
107 qDebug( "codec: '%s', desc: '%s'", (*it).name().toUtf8().data(), (*it).desc().toUtf8().data());
108 }
109
110 qDebug(" ac_list:");
111 for ( it = ac_list.begin(); it != ac_list.end(); ++it ) {
112 qDebug( "codec: '%s', desc: '%s'", (*it).name().toUtf8().data(), (*it).desc().toUtf8().data());
113 }
114
115}
116
117static QRegExp rx_vo_key("^ID_VIDEO_OUTPUTS");
118static QRegExp rx_ao_key("^ID_AUDIO_OUTPUTS");
119static QRegExp rx_demuxer_key("^ID_DEMUXERS");
120static QRegExp rx_ac_key("^ID_AUDIO_CODECS");
121static QRegExp rx_vc_key("^ID_VIDEO_CODECS");
122
123static QRegExp rx_driver("\\t(.*)\\t(.*)");
124static QRegExp rx_demuxer("^\\s+([A-Z,a-z,0-9]+)\\s+(\\d+)\\s+(\\S.*)");
125static QRegExp rx_codec("^([A-Z,a-z,0-9]+)\\s+([A-Z,a-z,0-9]+)\\s+([A-Z,a-z,0-9]+)\\s+(\\S.*)");
126
127void InfoReader::readLine(QByteArray ba) {
128#if COLOR_OUTPUT_SUPPORT
129 QString line = ColorUtils::stripColorsTags(QString::fromLocal8Bit(ba));
130#else
131 QString line = QString::fromLocal8Bit(ba);
132#endif
133
134 qDebug("InfoReader::readLine: line: '%s'", line.toUtf8().data());
135 //qDebug("waiting_for_key: %d", waiting_for_key);
136
137 if (!waiting_for_key) {
138 if ( rx_driver.indexIn(line) > -1 ) {
139 QString name = rx_driver.cap(1);
140 QString desc = rx_driver.cap(2);
141 qDebug("InfoReader::readLine: found driver: '%s' '%s'", name.toUtf8().data(), desc.toUtf8().data());
142 if (reading_type==VO) {
143 vo_list.append( InfoData(name, desc) );
144 }
145 else
146 if (reading_type==AO) {
147 ao_list.append( InfoData(name, desc) );
148 }
149 else
150 qWarning("InfoReader::readLine: Unknown type! Ignoring");
151 }
152 else
153 if ( rx_demuxer.indexIn(line) > -1 ) {
154 QString name = rx_demuxer.cap(1);
155 QString desc = rx_demuxer.cap(3);
156 qDebug("InfoReader::readLine: found demuxer: '%s' '%s'", name.toUtf8().data(), desc.toUtf8().data());
157 demuxer_list.append( InfoData(name, desc) );
158 }
159 else
160 if ( rx_codec.indexIn(line) > -1 ) {
161 QString name = rx_codec.cap(1);
162 QString desc = rx_codec.cap(4);
163 qDebug("InfoReader::readLine: found codec: '%s' '%s'", name.toUtf8().data(), desc.toUtf8().data());
164 if (reading_type==VC) {
165 vc_list.append( InfoData(name, desc) );
166 }
167 else
168 if (reading_type==AC) {
169 ac_list.append( InfoData(name, desc) );
170 }
171 else
172 qWarning("InfoReader::readLine: Unknown type! Ignoring");
173 }
174 }
175
176 if ( rx_vo_key.indexIn(line) > -1 ) {
177 reading_type = VO;
178 waiting_for_key = FALSE;
179 qDebug("InfoReader::readLine: found key: vo");
180 }
181
182 if ( rx_ao_key.indexIn(line) > -1 ) {
183 reading_type = AO;
184 waiting_for_key = FALSE;
185 qDebug("InfoReader::readLine: found key: ao");
186 }
187
188 if ( rx_demuxer_key.indexIn(line) > -1 ) {
189 reading_type = DEMUXER;
190 waiting_for_key = FALSE;
191 qDebug("InfoReader::readLine: found key: demuxer");
192 }
193
194 if ( rx_ac_key.indexIn(line) > -1 ) {
195 reading_type = AC;
196 waiting_for_key = FALSE;
197 qDebug("InfoReader::readLine: found key: ac");
198 }
199
200 if ( rx_vc_key.indexIn(line) > -1 ) {
201 reading_type = VC;
202 waiting_for_key = FALSE;
203 qDebug("InfoReader::readLines: found key: vc");
204 }
205
206 if (line.startsWith("MPlayer ")) {
207 mplayer_svn = MplayerVersion::mplayerVersion(line);
208 }
209}
210
211#if USE_QPROCESS
212bool InfoReader::run(QString options) {
213 qDebug("InfoReader::run: '%s'", options.toUtf8().data());
214 qDebug("InfoReader::run: using QProcess");
215
216 if (proc->state() == QProcess::Running) {
217 qWarning("InfoReader::run: process already running");
218 return false;
219 }
220
221 QStringList args = options.split(" ");
222
223 proc->start(mplayerbin, args);
224 if (!proc->waitForStarted()) {
225 qWarning("InfoReader::run: process can't start!");
226 return false;
227 }
228
229 //Wait until finish
230 if (!proc->waitForFinished()) {
231 qWarning("InfoReader::run: process didn't finish. Killing it...");
232 proc->kill();
233 }
234
235 qDebug("InfoReader::run : terminating");
236
237 QByteArray ba;
238 while (proc->canReadLine()) {
239 ba = proc->readLine();
240 ba.replace("\n", "");
241 ba.replace("\r", "");
242 readLine( ba );
243 }
244
245 return true;
246}
247#else
248bool InfoReader::run(QString options) {
249 qDebug("InfoReader::run: '%s'", options.toUtf8().data());
250 qDebug("InfoReader::run: using myprocess");
251
252 if (proc->isRunning()) {
253 qWarning("InfoReader::run: process already running");
254 return false;
255 }
256
257 proc->clearArguments();
258
259 proc->addArgument(mplayerbin);
260
261 QStringList args = options.split(" ");
262 QStringList::Iterator it = args.begin();
263 while( it != args.end() ) {
264 proc->addArgument( (*it) );
265 ++it;
266 }
267
268 proc->start();
269 if (!proc->waitForStarted()) {
270 qWarning("InfoReader::run: process can't start!");
271 return false;
272 }
273
274 //Wait until finish
275 if (!proc->waitForFinished()) {
276 qWarning("InfoReader::run: process didn't finish. Killing it...");
277 proc->kill();
278 }
279
280 qDebug("InfoReader::run : terminating");
281
282 return true;
283}
284#endif
285
286#include "moc_inforeader.cpp"
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