cinelerra-5.1/cinelerra/audiodevice.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "audiodevice.h"
  23 #ifdef HAVE_FIREWIRE
  24 #include "audio1394.h"
  25 #endif
  26 #include "audioalsa.h"
  27 #include "audiodvb.h"
  28 #include "audioesound.h"
  29 #include "audiooss.h"
  30 #include "audiopulse.h"
  31 #include "audiov4l2mpeg.h"
  32 #include "asset.h"
  33 #include "bctimer.h"
  34 #include "condition.h"
  35 #include "dcoffset.h"
  36 #include "edl.h"
  37 #include "edlsession.h"
  38 #include "mainmenu.h"
  39 #include "mutex.h"
  40 #include "mwindow.h"
  41 #include "mwindowgui.h"
  42 #include "playbackconfig.h"
  43 #include "preferences.h"
  44 #include "recordconfig.h"
  45 #include "recordgui.h"
  46 #include "record.h"
  47 #include "sema.h"
  48
  49
  50 AudioLowLevel::AudioLowLevel(AudioDevice *device)
  51 {
  52         this->device = device;
  53 }
  54
  55 AudioLowLevel::~AudioLowLevel()
  56 {
  57 }
  58
  59
  60 AudioDevice::AudioDevice(MWindow *mwindow)
  61 {
  62         initialize();
  63         this->mwindow = mwindow;
  64         this->out_config = new AudioOutConfig();
  65         this->in_config = new AudioInConfig;
  66         this->vconfig = new VideoInConfig;
  67         device_lock = new Mutex("AudioDevice::device_lock",1);
  68         timer_lock = new Mutex("AudioDevice::timer_lock");
  69         buffer_lock = new Mutex("AudioDevice::buffer_lock");
  70         polling_lock = new Condition(0, "AudioDevice::polling_lock");
  71         playback_timer = new Timer;
  72         record_timer = new Timer;
  73         for(int i = 0; i < TOTAL_AUDIO_BUFFERS; i++) {
  74                 output_buffer_t *obfr = &output[i];
  75                 obfr->play_lock = new Condition(0, "AudioDevice::play_lock");
  76                 obfr->arm_lock = new Condition(1, "AudioDevice::arm_lock");
  77         }
  78         reset_input();
  79         total_samples_read = 0;
  80         total_samples_input = 0;
  81         reset_output();
  82         total_samples_written = 0;
  83         total_samples_output = 0;
  84 }
  85
  86 AudioDevice::~AudioDevice()
  87 {
  88         stop_audio(0);
  89         delete out_config;
  90         delete in_config;
  91         delete vconfig;
  92         delete timer_lock;
  93         for( int i=0; i < TOTAL_AUDIO_BUFFERS; ++i ) {
  94                 output_buffer_t *obfr = &output[i];
  95                 delete obfr->play_lock;
  96                 delete obfr->arm_lock;
  97         }
  98         delete playback_timer;
  99         delete record_timer;
 100         delete buffer_lock;
 101         delete polling_lock;
 102         delete device_lock;
 103 }
 104
 105 int AudioDevice::initialize()
 106 {
 107         for(int i = 0; i < TOTAL_AUDIO_BUFFERS; i++) {
 108                 input[i].buffer = 0;
 109                 output[i].buffer = 0;
 110         }
 111         audio_in = audio_out = 0;
 112         in_bits = out_bits = 0;
 113         in_channels = out_channels = 0;
 114         in_samples = out_samples = 0;
 115         in_samplerate = out_samplerate = 0;
 116         in_realtime = out_realtime = 0;
 117         lowlevel_out = lowlevel_in = 0;
 118         in51_2 = out51_2 = 0;
 119         in_config_updated = 0;
 120         rec_dither = play_dither = 0;
 121         rec_gain = play_gain = 1.;
 122         r = w = 0;
 123         software_position_info = 0;
 124         vdevice = 0;
 125         sharing = 0;
 126         return 0;
 127 }
 128
 129
 130 void AudioThread::initialize()
 131 {
 132         device = 0;
 133         arun = 0;
 134         aend = 0;
 135         startup_lock = 0;
 136         started = 0;
 137 }
 138
 139
 140 AudioThread::
 141 AudioThread(AudioDevice *device,
 142         void (AudioDevice::*arun)(), void (AudioDevice::*aend)())
 143  : Thread(1, 0, 0)
 144 {
 145         initialize();
 146         startup_lock = new Condition(0, "AudioThread::startup_lock");
 147         this->device = device;
 148         this->arun = arun;
 149         this->aend = aend;
 150         Thread::start();
 151 }
 152
 153 AudioThread::~AudioThread()
 154 {
 155         stop(0);
 156         delete startup_lock;
 157 }
 158
 159 void AudioThread::stop(int wait)
 160 {
 161         if( !wait ) (device->*aend)();
 162         startup();
 163         Thread::join();
 164 }
 165
 166 void AudioThread::run()
 167 {
 168         startup_lock->lock();
 169         (device->*arun)();
 170 }
 171
 172 void AudioThread::startup()
 173 {
 174         if( !started ) {
 175                 started = 1;
 176                 startup_lock->unlock();
 177         }
 178 }
 179
 180
 181 void AudioDevice::stop_input()
 182 {
 183         device_lock->lock("AudioDevice::stop_input");
 184         if( audio_in ) {
 185                 audio_in->stop(0);
 186                 delete audio_in;
 187                 audio_in = 0;
 188         }
 189         reset_input();
 190         device_lock->unlock();
 191 }
 192
 193 void AudioDevice::stop_output(int wait)
 194 {
 195         if( !wait ) playback_interrupted = 1;
 196         device_lock->lock("AudioDevice::stop_output");
 197         if( audio_out ) {
 198                 if( is_playing_back )
 199                         audio_out->stop(wait);
 200                 delete audio_out;
 201                 audio_out = 0;
 202         }
 203         reset_output();
 204         device_lock->unlock();
 205 }
 206
 207 int AudioDevice::stop_audio(int wait)
 208 {
 209         if( audio_in ) stop_input();
 210         if( audio_out ) stop_output(wait);
 211         return 0;
 212 }
 213
 214
 215 int AudioDevice::create_lowlevel(AudioLowLevel* &lowlevel, int driver,int in)
 216 {
 217         *(in ? &this->idriver : &this->odriver) = driver;
 218
 219         if(!lowlevel) {
 220                 switch(driver) {
 221 #ifdef HAVE_OSS
 222                 case AUDIO_OSS:
 223                 case AUDIO_OSS_ENVY24:
 224                         lowlevel = new AudioOSS(this);
 225                         break;
 226 #endif
 227
 228 #ifdef HAVE_ESOUND
 229                 case AUDIO_ESOUND:
 230                         lowlevel = new AudioESound(this);
 231                         break;
 232 #endif
 233                 case AUDIO_NAS:
 234                         break;
 235
 236 #ifdef HAVE_ALSA
 237                 case AUDIO_ALSA:
 238                         lowlevel = new AudioALSA(this);
 239                         break;
 240 #endif
 241
 242 #ifdef HAVE_FIREWIRE
 243                 case AUDIO_1394:
 244                 case AUDIO_DV1394:
 245                 case AUDIO_IEC61883:
 246                         lowlevel = new Audio1394(this);
 247                         break;
 248 #endif
 249
 250 #ifdef HAVE_DVB
 251                 case AUDIO_DVB:
 252                         lowlevel = new AudioDVB(this);
 253                         break;
 254 #endif
 255
 256 #ifdef HAVE_VIDEO4LINUX2
 257                 case AUDIO_V4L2MPEG:
 258                         lowlevel = new AudioV4L2MPEG(this);
 259                         break;
 260 #endif
 261
 262 #ifdef HAVE_PULSE
 263                 case AUDIO_PULSE:
 264                         lowlevel = new AudioPulse(this);
 265                         break;
 266 #endif
 267                 }
 268         }
 269         return 0;
 270 }
 271
 272 int AudioDevice::open_input(AudioInConfig *config, VideoInConfig *vconfig,
 273         int rate, int samples, int channels, int realtime)
 274 {
 275         device_lock->lock("AudioDevice::open_input");
 276         r = 1;
 277         this->in_config->copy_from(config);
 278         this->vconfig->copy_from(vconfig);
 279         in_samplerate = rate;
 280         in_samples = samples;
 281         in_realtime = realtime;
 282         in51_2 = config->map51_2 && channels == 2;
 283         if( in51_2 ) channels = 6;
 284         in_channels = channels;
 285         rec_gain = config->rec_gain;
 286         create_lowlevel(lowlevel_in, config->driver, 1);
 287         lowlevel_in->open_input();
 288         in_config_updated = 0;
 289         record_timer->update();
 290         device_lock->unlock();
 291         return 0;
 292 }
 293
 294 int AudioDevice::open_output(AudioOutConfig *config,
 295         int rate, int samples, int channels, int realtime)
 296 {
 297         device_lock->lock("AudioDevice::open_output");
 298         w = 1;
 299         *this->out_config = *config;
 300         out_samplerate = rate;
 301         out_samples = samples;
 302         out51_2 = config->map51_2 && channels == 6;
 303         if( out51_2 ) channels = 2;
 304         out_channels = channels;
 305         out_realtime = realtime;
 306         play_gain = config->play_gain;
 307         create_lowlevel(lowlevel_out, config->driver,0);
 308         int result = lowlevel_out ? lowlevel_out->open_output() : 0;
 309         device_lock->unlock();
 310         return result;
 311 }
 312
 313 int AudioDevice::open_monitor(AudioOutConfig *config,int mode)
 314 {
 315         device_lock->lock("AudioDevice::open_output");
 316         w = 1;
 317         *this->out_config = *config;
 318         monitoring = mode;
 319         monitor_open = 0;
 320         device_lock->unlock();
 321         return 0;
 322 }
 323
 324
 325
 326 int AudioDevice::interrupt_crash()
 327 {
 328         if( lowlevel_in )
 329                 lowlevel_in->interrupt_crash();
 330         stop_input();
 331         return 0;
 332 }
 333
 334 double AudioDevice::get_itimestamp()
 335 {
 336         buffer_lock->lock("AudioDevice::get_itimestamp");
 337         timer_lock->lock("AudioDevice::get_otimestamp");
 338         input_buffer_t *ibfr = &input[input_buffer_out];
 339         int frame = get_ichannels() * get_ibits() / 8;
 340         int64_t samples = frame ? input_buffer_offset / frame : 0;
 341         double timestamp = !in_samplerate || ibfr->timestamp < 0. ? -1. :
 342                 ibfr->timestamp + (double) samples / in_samplerate;
 343         timer_lock->unlock();
 344         buffer_lock->unlock();
 345         return timestamp;
 346 }
 347
 348 double AudioDevice::get_otimestamp()
 349 {
 350         buffer_lock->lock("AudioDevice::get_otimestamp");
 351         timer_lock->lock("AudioDevice::get_otimestamp");
 352         int64_t unplayed_samples = total_samples_output - current_position();
 353         double unplayed_time = !out_samplerate || last_buffer_time < 0. ? -1. :
 354                 (double)unplayed_samples / out_samplerate;
 355         double timestamp = last_buffer_time - unplayed_time;
 356         timer_lock->unlock();
 357         buffer_lock->unlock();
 358         return timestamp;
 359 }
 360
 361 double AudioDevice::device_timestamp()
 362 {
 363         return lowlevel_in ? lowlevel_in->device_timestamp() : -1.;
 364 }
 365
 366 int AudioDevice::close_all()
 367 {
 368         device_lock->lock("AudioDevice::close_all");
 369         stop_audio(0);
 370         if( lowlevel_in ) {
 371                 lowlevel_in->close_all();
 372                 delete lowlevel_in;
 373                 lowlevel_in = 0;
 374         }
 375         if( lowlevel_out )
 376         {
 377                 lowlevel_out->close_all();
 378                 delete lowlevel_out;
 379                 lowlevel_out = 0;
 380         }
 381         initialize();
 382         device_lock->unlock();
 383         return 0;
 384 }
 385
 386 void AudioDevice::auto_update(int channels, int samplerate, int bits)
 387 {
 388         if( !in_config || !in_config->follow_audio ) return;
 389         in_channels = channels;
 390         in_samplerate = samplerate;
 391         in_bits = bits;
 392         in_config_updated = 1;
 393         polling_lock->unlock();
 394 }
 395
 396 int AudioDevice::config_updated()
 397 {
 398         if( !in_config || !in_config->follow_audio ) return 0;
 399         return in_config_updated;
 400 }
 401
 402 void AudioDevice::config_update()
 403 {
 404         in_config_updated = 0;
 405         AudioInConfig *aconfig_in = mwindow->edl->session->aconfig_in;
 406         in51_2 = aconfig_in->map51_2 && in_channels == 6 ? 1 : 0;
 407         int ichannels = in51_2 ? 2 : in_channels;
 408         AudioOutConfig *aconfig_out = mwindow->edl->session->playback_config->aconfig;
 409         out51_2 = aconfig_out->map51_2 && ichannels == 6 ? 1 : 0;
 410         aconfig_in->in_samplerate = in_samplerate;
 411         aconfig_in->channels = ichannels;
 412         aconfig_in->oss_in_bits = in_bits;
 413         aconfig_in->alsa_in_bits = in_bits;
 414         total_samples_read = 0;
 415         total_samples_input = 0;
 416         monitor_open = 0;
 417 }
 418
 419 int AudioDevice::start_toc(const char *path, const char *toc_path)
 420 {
 421         return lowlevel_in ? lowlevel_in->start_toc(path, toc_path) : -1;
 422 }
 423
 424 int AudioDevice::start_record(int fd, int bsz)
 425 {
 426         return lowlevel_in ? lowlevel_in->start_record(fd, bsz) : -1;
 427 }
 428
 429 int AudioDevice::stop_record()
 430 {
 431         return lowlevel_in ? lowlevel_in->stop_record() : -1;
 432 }
 433
 434 int AudioDevice::total_audio_channels()
 435 {
 436         return lowlevel_in ? lowlevel_in->total_audio_channels() : 0;
 437 }
 438
 439 DeviceMPEGInput *AudioDevice::mpeg_device()
 440 {
 441         return lowlevel_in ? lowlevel_in->mpeg_device() : 0;
 442 }
 443