cinelerra-5.1/cinelerra/audiodevice.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   5  * Copyright (C) 2003-2016 Cinelerra CV contributors
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  *
  21  */
  22
  23 #include "audiodevice.h"
  24 #ifdef HAVE_FIREWIRE
  25 #include "audio1394.h"
  26 #endif
  27 #include "audioalsa.h"
  28 #include "audiodvb.h"
  29 #include "audioesound.h"
  30 #include "audiooss.h"
  31 #include "audiopulse.h"
  32 #include "audiov4l2mpeg.h"
  33 #include "asset.h"
  34 #include "bctimer.h"
  35 #include "condition.h"
  36 #include "dcoffset.h"
  37 #include "edl.h"
  38 #include "edlsession.h"
  39 #include "mainmenu.h"
  40 #include "mutex.h"
  41 #include "mwindow.h"
  42 #include "mwindowgui.h"
  43 #include "playbackconfig.h"
  44 #include "preferences.h"
  45 #include "recordconfig.h"
  46 #include "recordgui.h"
  47 #include "record.h"
  48 #include "sema.h"
  49
  50
  51 AudioLowLevel::AudioLowLevel(AudioDevice *device)
  52 {
  53         this->device = device;
  54 }
  55
  56 AudioLowLevel::~AudioLowLevel()
  57 {
  58 }
  59
  60
  61 AudioDevice::AudioDevice(MWindow *mwindow)
  62 {
  63         initialize();
  64         this->mwindow = mwindow;
  65         this->out_config = new AudioOutConfig();
  66         this->in_config = new AudioInConfig;
  67         this->vconfig = new VideoInConfig;
  68         device_lock = new Mutex("AudioDevice::device_lock",1);
  69         timer_lock = new Mutex("AudioDevice::timer_lock");
  70         buffer_lock = new Mutex("AudioDevice::buffer_lock");
  71         polling_lock = new Condition(0, "AudioDevice::polling_lock");
  72         playback_timer = new Timer;
  73         record_timer = new Timer;
  74         for(int i = 0; i < TOTAL_AUDIO_BUFFERS; i++) {
  75                 output_buffer_t *obfr = &output[i];
  76                 obfr->play_lock = new Condition(0, "AudioDevice::play_lock");
  77                 obfr->arm_lock = new Condition(1, "AudioDevice::arm_lock");
  78         }
  79         reset_input();
  80         total_samples_read = 0;
  81         total_samples_input = 0;
  82         reset_output();
  83         total_samples_written = 0;
  84         total_samples_output = 0;
  85 }
  86
  87 AudioDevice::~AudioDevice()
  88 {
  89         stop_audio(0);
  90         delete out_config;
  91         delete in_config;
  92         delete vconfig;
  93         delete timer_lock;
  94         for( int i=0; i < TOTAL_AUDIO_BUFFERS; ++i ) {
  95                 output_buffer_t *obfr = &output[i];
  96                 delete obfr->play_lock;
  97                 delete obfr->arm_lock;
  98         }
  99         delete playback_timer;
 100         delete record_timer;
 101         delete buffer_lock;
 102         delete polling_lock;
 103         delete device_lock;
 104 }
 105
 106 int AudioDevice::initialize()
 107 {
 108         for(int i = 0; i < TOTAL_AUDIO_BUFFERS; i++) {
 109                 input[i].buffer = 0;
 110                 output[i].buffer = 0;
 111         }
 112         audio_in = audio_out = 0;
 113         in_bits = out_bits = 0;
 114         in_channels = out_channels = 0;
 115         in_samples = out_samples = 0;
 116         in_samplerate = out_samplerate = 0;
 117         in_realtime = out_realtime = 0;
 118         lowlevel_out = lowlevel_in = 0;
 119         in51_2 = out51_2 = 0;
 120         in_config_updated = 0;
 121         rec_dither = play_dither = 0;
 122         rec_gain = play_gain = 1.;
 123         r = w = 0;
 124         software_position_info = 0;
 125         vdevice = 0;
 126         sharing = 0;
 127         return 0;
 128 }
 129
 130
 131 void AudioThread::initialize()
 132 {
 133         device = 0;
 134         arun = 0;
 135         aend = 0;
 136         startup_lock = 0;
 137         started = 0;
 138 }
 139
 140
 141 AudioThread::
 142 AudioThread(AudioDevice *device,
 143         void (AudioDevice::*arun)(), void (AudioDevice::*aend)())
 144  : Thread(1, 0, 0)
 145 {
 146         initialize();
 147         startup_lock = new Condition(0, "AudioThread::startup_lock");
 148         this->device = device;
 149         this->arun = arun;
 150         this->aend = aend;
 151         Thread::start();
 152 }
 153
 154 AudioThread::~AudioThread()
 155 {
 156         stop(0);
 157         delete startup_lock;
 158 }
 159
 160 void AudioThread::stop(int wait)
 161 {
 162         if( !wait ) (device->*aend)();
 163         startup();
 164         Thread::join();
 165 }
 166
 167 void AudioThread::run()
 168 {
 169         startup_lock->lock();
 170         (device->*arun)();
 171 }
 172
 173 void AudioThread::startup()
 174 {
 175         if( !started ) {
 176                 started = 1;
 177                 startup_lock->unlock();
 178         }
 179 }
 180
 181
 182 void AudioDevice::stop_input()
 183 {
 184         device_lock->lock("AudioDevice::stop_input");
 185         if( audio_in ) {
 186                 audio_in->stop(0);
 187                 delete audio_in;
 188                 audio_in = 0;
 189         }
 190         reset_input();
 191         device_lock->unlock();
 192 }
 193
 194 void AudioDevice::stop_output(int wait)
 195 {
 196         if( !wait ) playback_interrupted = 1;
 197         device_lock->lock("AudioDevice::stop_output");
 198         if( audio_out ) {
 199                 if( is_playing_back )
 200                         audio_out->stop(wait);
 201                 delete audio_out;
 202                 audio_out = 0;
 203         }
 204         reset_output();
 205         device_lock->unlock();
 206 }
 207
 208 int AudioDevice::stop_audio(int wait)
 209 {
 210         if( audio_in ) stop_input();
 211         if( audio_out ) stop_output(wait);
 212         return 0;
 213 }
 214
 215
 216 int AudioDevice::create_lowlevel(AudioLowLevel* &lowlevel, int driver,int in)
 217 {
 218         *(in ? &this->idriver : &this->odriver) = driver;
 219
 220         if(!lowlevel) {
 221                 switch(driver) {
 222 #ifdef HAVE_OSS
 223                 case AUDIO_OSS:
 224                 case AUDIO_OSS_ENVY24:
 225                         lowlevel = new AudioOSS(this);
 226                         break;
 227 #endif
 228
 229 #ifdef HAVE_ESOUND
 230                 case AUDIO_ESOUND:
 231                         lowlevel = new AudioESound(this);
 232                         break;
 233 #endif
 234                 case AUDIO_NAS:
 235                         break;
 236
 237 #ifdef HAVE_ALSA
 238                 case AUDIO_ALSA:
 239                         lowlevel = new AudioALSA(this);
 240                         break;
 241 #endif
 242
 243 #ifdef HAVE_FIREWIRE
 244                 case AUDIO_1394:
 245                 case AUDIO_DV1394:
 246                 case AUDIO_IEC61883:
 247                         lowlevel = new Audio1394(this);
 248                         break;
 249 #endif
 250
 251 #ifdef HAVE_DVB
 252                 case AUDIO_DVB:
 253                         lowlevel = new AudioDVB(this);
 254                         break;
 255 #endif
 256
 257 #ifdef HAVE_VIDEO4LINUX2
 258                 case AUDIO_V4L2MPEG:
 259                         lowlevel = new AudioV4L2MPEG(this);
 260                         break;
 261 #endif
 262
 263 #ifdef HAVE_PULSE
 264                 case AUDIO_PULSE:
 265                         lowlevel = new AudioPulse(this);
 266                         break;
 267 #endif
 268                 }
 269         }
 270         return 0;
 271 }
 272
 273 int AudioDevice::open_input(AudioInConfig *config, VideoInConfig *vconfig,
 274         int rate, int samples, int channels, int realtime)
 275 {
 276         device_lock->lock("AudioDevice::open_input");
 277         r = 1;
 278         this->in_config->copy_from(config);
 279         this->vconfig->copy_from(vconfig);
 280         in_samplerate = rate;
 281         in_samples = samples;
 282         in_realtime = realtime;
 283         in51_2 = config->map51_2 && channels == 2;
 284         if( in51_2 ) channels = 6;
 285         in_channels = channels;
 286         rec_gain = config->rec_gain;
 287         create_lowlevel(lowlevel_in, config->driver, 1);
 288         lowlevel_in->open_input();
 289         in_config_updated = 0;
 290         record_timer->update();
 291         device_lock->unlock();
 292         return 0;
 293 }
 294
 295 int AudioDevice::open_output(AudioOutConfig *config,
 296         int rate, int samples, int channels, int realtime)
 297 {
 298         device_lock->lock("AudioDevice::open_output");
 299         w = 1;
 300         *this->out_config = *config;
 301         out_samplerate = rate;
 302         out_samples = samples;
 303         out51_2 = config->map51_2 && channels == 6;
 304         if( out51_2 ) channels = 2;
 305         out_channels = channels;
 306         out_realtime = realtime;
 307         play_gain = config->play_gain;
 308         create_lowlevel(lowlevel_out, config->driver,0);
 309         int result = lowlevel_out ? lowlevel_out->open_output() : 0;
 310         device_lock->unlock();
 311         return result;
 312 }
 313
 314 int AudioDevice::open_monitor(AudioOutConfig *config,int mode)
 315 {
 316         device_lock->lock("AudioDevice::open_output");
 317         w = 1;
 318         *this->out_config = *config;
 319         monitoring = mode;
 320         monitor_open = 0;
 321         device_lock->unlock();
 322         return 0;
 323 }
 324
 325
 326
 327 int AudioDevice::interrupt_crash()
 328 {
 329         if( lowlevel_in )
 330                 lowlevel_in->interrupt_crash();
 331         stop_input();
 332         return 0;
 333 }
 334
 335 double AudioDevice::get_itimestamp()
 336 {
 337         buffer_lock->lock("AudioDevice::get_itimestamp");
 338         timer_lock->lock("AudioDevice::get_otimestamp");
 339         input_buffer_t *ibfr = &input[input_buffer_out];
 340         int frame = get_ichannels() * get_ibits() / 8;
 341         int64_t samples = frame ? input_buffer_offset / frame : 0;
 342         double timestamp = !in_samplerate || ibfr->timestamp < 0. ? -1. :
 343                 ibfr->timestamp + (double) samples / in_samplerate;
 344         timer_lock->unlock();
 345         buffer_lock->unlock();
 346         return timestamp;
 347 }
 348
 349 double AudioDevice::get_otimestamp()
 350 {
 351         buffer_lock->lock("AudioDevice::get_otimestamp");
 352         timer_lock->lock("AudioDevice::get_otimestamp");
 353         int64_t unplayed_samples = total_samples_output - current_position();
 354         double unplayed_time = !out_samplerate || last_buffer_time < 0. ? -1. :
 355                 (double)unplayed_samples / out_samplerate;
 356         double timestamp = last_buffer_time - unplayed_time;
 357         timer_lock->unlock();
 358         buffer_lock->unlock();
 359         return timestamp;
 360 }
 361
 362 double AudioDevice::device_timestamp()
 363 {
 364         return lowlevel_in ? lowlevel_in->device_timestamp() : -1.;
 365 }
 366
 367 int AudioDevice::close_all()
 368 {
 369         device_lock->lock("AudioDevice::close_all");
 370         stop_audio(0);
 371         if( lowlevel_in ) {
 372                 lowlevel_in->close_all();
 373                 delete lowlevel_in;
 374                 lowlevel_in = 0;
 375         }
 376         if( lowlevel_out )
 377         {
 378                 lowlevel_out->close_all();
 379                 delete lowlevel_out;
 380                 lowlevel_out = 0;
 381         }
 382         initialize();
 383         device_lock->unlock();
 384         return 0;
 385 }
 386
 387 void AudioDevice::auto_update(int channels, int samplerate, int bits)
 388 {
 389         if( !in_config || !in_config->follow_audio ) return;
 390         in_channels = channels;
 391         in_samplerate = samplerate;
 392         in_bits = bits;
 393         in_config_updated = 1;
 394         polling_lock->unlock();
 395 }
 396
 397 int AudioDevice::config_updated()
 398 {
 399         if( !in_config || !in_config->follow_audio ) return 0;
 400         return in_config_updated;
 401 }
 402
 403 void AudioDevice::config_update()
 404 {
 405         in_config_updated = 0;
 406         AudioInConfig *aconfig_in = mwindow->edl->session->aconfig_in;
 407         in51_2 = aconfig_in->map51_2 && in_channels == 6 ? 1 : 0;
 408         int ichannels = in51_2 ? 2 : in_channels;
 409         AudioOutConfig *aconfig_out = mwindow->edl->session->playback_config->aconfig;
 410         out51_2 = aconfig_out->map51_2 && ichannels == 6 ? 1 : 0;
 411         aconfig_in->in_samplerate = in_samplerate;
 412         aconfig_in->channels = ichannels;
 413         aconfig_in->oss_in_bits = in_bits;
 414         aconfig_in->alsa_in_bits = in_bits;
 415         total_samples_read = 0;
 416         total_samples_input = 0;
 417         monitor_open = 0;
 418 }
 419
 420 int AudioDevice::start_toc(const char *path, const char *toc_path)
 421 {
 422         return lowlevel_in ? lowlevel_in->start_toc(path, toc_path) : -1;
 423 }
 424
 425 int AudioDevice::start_record(int fd, int bsz)
 426 {
 427         return lowlevel_in ? lowlevel_in->start_record(fd, bsz) : -1;
 428 }
 429
 430 int AudioDevice::stop_record()
 431 {
 432         return lowlevel_in ? lowlevel_in->stop_record() : -1;
 433 }
 434
 435 int AudioDevice::total_audio_channels()
 436 {
 437         return lowlevel_in ? lowlevel_in->total_audio_channels() : 0;
 438 }
 439
 440 DeviceMPEGInput *AudioDevice::mpeg_device()
 441 {
 442         return lowlevel_in ? lowlevel_in->mpeg_device() : 0;
 443 }
 444