cinelerra-5.0/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 #include "audio1394.h"
  24 #include "audioalsa.h"
  25 #include "audiodvb.h"
  26 #include "audiov4l2mpeg.h"
  27 #include "audioesound.h"
  28 #include "audiooss.h"
  29 #include "asset.h"
  30 #include "bctimer.h"
  31 #include "condition.h"
  32 #include "dcoffset.h"
  33 #include "edl.h"
  34 #include "edlsession.h"
  35 #include "mainmenu.h"
  36 #include "mutex.h"
  37 #include "mwindow.h"
  38 #include "mwindowgui.h"
  39 #include "playbackconfig.h"
  40 #include "preferences.h"
  41 #include "recordconfig.h"
  42 #include "recordgui.h"
  43 #include "record.h"
  44 #include "sema.h"
  45
  46
  47 AudioLowLevel::AudioLowLevel(AudioDevice *device)
  48 {
  49         this->device = device;
  50 }
  51
  52 AudioLowLevel::~AudioLowLevel()
  53 {
  54 }
  55
  56
  57 AudioDevice::AudioDevice(MWindow *mwindow)
  58 {
  59         initialize();
  60         this->mwindow = mwindow;
  61         this->out_config = new AudioOutConfig();
  62         this->in_config = new AudioInConfig;
  63         this->vconfig = new VideoInConfig;
  64         device_lock = new Mutex("AudioDevice::device_lock",1);
  65         timer_lock = new Mutex("AudioDevice::timer_lock");
  66         buffer_lock = new Mutex("AudioDevice::buffer_lock");
  67         polling_lock = new Condition(0, "AudioDevice::polling_lock");
  68         playback_timer = new Timer;
  69         record_timer = new Timer;
  70         for(int i = 0; i < TOTAL_AUDIO_BUFFERS; i++) {
  71                 output_buffer_t *obfr = &output[i];
  72                 obfr->play_lock = new Condition(0, "AudioDevice::play_lock");
  73                 obfr->arm_lock = new Condition(1, "AudioDevice::arm_lock");
  74         }
  75         reset_input();
  76         total_samples_read = 0;
  77         total_samples_input = 0;
  78         reset_output();
  79         total_samples_written = 0;
  80         total_samples_output = 0;
  81 }
  82
  83 AudioDevice::~AudioDevice()
  84 {
  85         stop_audio(0);
  86         delete out_config;
  87         delete in_config;
  88         delete vconfig;
  89         delete timer_lock;
  90         for( int i=0; i < TOTAL_AUDIO_BUFFERS; ++i ) {
  91                 output_buffer_t *obfr = &output[i];
  92                 delete obfr->play_lock;
  93                 delete obfr->arm_lock;
  94         }
  95         delete playback_timer;
  96         delete record_timer;
  97         delete buffer_lock;
  98         delete polling_lock;
  99         delete device_lock;
 100 }
 101
 102 int AudioDevice::initialize()
 103 {
 104         for(int i = 0; i < TOTAL_AUDIO_BUFFERS; i++) {
 105                 input[i].buffer = 0;
 106                 output[i].buffer = 0;
 107         }
 108         audio_in = audio_out = 0;
 109         in_bits = out_bits = 0;
 110         in_channels = out_channels = 0;
 111         in_samples = out_samples = 0;
 112         in_samplerate = out_samplerate = 0;
 113         in_realtime = out_realtime = 0;
 114         lowlevel_out = lowlevel_in = 0;
 115         in51_2 = out51_2 = 0;
 116         in_config_updated = 0;
 117         rec_dither = play_dither = 0;
 118         rec_gain = play_gain = 1.;
 119         r = w = 0;
 120         software_position_info = 0;
 121         vdevice = 0;
 122         sharing = 0;
 123         return 0;
 124 }
 125
 126
 127 void AudioThread::initialize()
 128 {
 129         device = 0;
 130         arun = 0;
 131         aend = 0;
 132         startup_lock = 0;
 133         started = 0;
 134 }
 135
 136
 137 AudioThread::
 138 AudioThread(AudioDevice *device,
 139         void (AudioDevice::*arun)(), void (AudioDevice::*aend)())
 140  : Thread(1, 0, 0)
 141 {
 142         initialize();
 143         startup_lock = new Condition(0, "AudioThread::startup_lock");
 144         this->device = device;
 145         this->arun = arun;
 146         this->aend = aend;
 147         Thread::start();
 148 }
 149
 150 AudioThread::~AudioThread()
 151 {
 152         delete startup_lock;
 153 }
 154
 155 void AudioThread::stop(int wait)
 156 {
 157         if( !wait ) (device->*aend)();
 158         startup();
 159         Thread::join();
 160 }
 161
 162 void AudioThread::run()
 163 {
 164         startup_lock->lock();
 165         (device->*arun)();
 166 }
 167
 168 void AudioThread::startup()
 169 {
 170         if( !started ) {
 171                 started = 1;
 172                 startup_lock->unlock();
 173         }
 174 }
 175
 176
 177 void AudioDevice::stop_input()
 178 {
 179         device_lock->lock("AudioDevice::stop_input");
 180         if( audio_in ) {
 181                 audio_in->stop(0);
 182                 delete audio_in;
 183                 audio_in = 0;
 184         }
 185         reset_input();
 186         device_lock->unlock();
 187 }
 188
 189 void AudioDevice::stop_output(int wait)
 190 {
 191         if( !wait ) playback_interrupted = 1;
 192         device_lock->lock("AudioDevice::stop_output");
 193         if( audio_out ) {
 194                 if( is_playing_back )
 195                         audio_out->stop(wait);
 196                 delete audio_out;
 197                 audio_out = 0;
 198         }
 199         reset_output();
 200         device_lock->unlock();
 201 }
 202
 203 int AudioDevice::stop_audio(int wait)
 204 {
 205         if( audio_in ) stop_input();
 206         if( audio_out ) stop_output(wait);
 207         return 0;
 208 }
 209
 210
 211 int AudioDevice::create_lowlevel(AudioLowLevel* &lowlevel, int driver,int in)
 212 {
 213         *(in ? &this->idriver : &this->odriver) = driver;
 214
 215         if(!lowlevel) {
 216                 switch(driver) {
 217 #ifdef HAVE_OSS
 218                 case AUDIO_OSS:
 219                 case AUDIO_OSS_ENVY24:
 220                         lowlevel = new AudioOSS(this);
 221                         break;
 222 #endif
 223
 224 #ifdef HAVE_ESOUND
 225                 case AUDIO_ESOUND:
 226                         lowlevel = new AudioESound(this);
 227                         break;
 228 #endif
 229                 case AUDIO_NAS:
 230                         break;
 231
 232 #ifdef HAVE_ALSA
 233                 case AUDIO_ALSA:
 234                         lowlevel = new AudioALSA(this);
 235                         break;
 236 #endif
 237
 238 #ifdef HAVE_FIREWIRE
 239                 case AUDIO_1394:
 240                 case AUDIO_DV1394:
 241                 case AUDIO_IEC61883:
 242                         lowlevel = new Audio1394(this);
 243                         break;
 244 #endif
 245
 246                 case AUDIO_DVB:
 247                         lowlevel = new AudioDVB(this);
 248                         break;
 249
 250                 case AUDIO_V4L2MPEG:
 251                         lowlevel = new AudioV4L2MPEG(this);
 252                         break;
 253                 }
 254         }
 255         return 0;
 256 }
 257
 258 int AudioDevice::open_input(AudioInConfig *config, VideoInConfig *vconfig,
 259         int rate, int samples, int channels, int realtime)
 260 {
 261         device_lock->lock("AudioDevice::open_input");
 262         r = 1;
 263         this->in_config->copy_from(config);
 264         this->vconfig->copy_from(vconfig);
 265         in_samplerate = rate;
 266         in_samples = samples;
 267         in_realtime = realtime;
 268         in51_2 = config->map51_2 && channels == 2;
 269         if( in51_2 ) channels = 6;
 270         in_channels = channels;
 271         rec_gain = config->rec_gain;
 272         create_lowlevel(lowlevel_in, config->driver, 1);
 273         lowlevel_in->open_input();
 274         in_config_updated = 0;
 275         record_timer->update();
 276         device_lock->unlock();
 277         return 0;
 278 }
 279
 280 int AudioDevice::open_output(AudioOutConfig *config,
 281         int rate, int samples, int channels, int realtime)
 282 {
 283         device_lock->lock("AudioDevice::open_output");
 284         w = 1;
 285         *this->out_config = *config;
 286         out_samplerate = rate;
 287         out_samples = samples;
 288         out51_2 = config->map51_2 && channels == 6;
 289         if( out51_2 ) channels = 2;
 290         out_channels = channels;
 291         out_realtime = realtime;
 292         play_gain = config->play_gain;
 293         create_lowlevel(lowlevel_out, config->driver,0);
 294         int result = lowlevel_out ? lowlevel_out->open_output() : 0;
 295         device_lock->unlock();
 296         return result;
 297 }
 298
 299 int AudioDevice::open_monitor(AudioOutConfig *config,int mode)
 300 {
 301         device_lock->lock("AudioDevice::open_output");
 302         w = 1;
 303         *this->out_config = *config;
 304         monitoring = mode;
 305         monitor_open = 0;
 306         device_lock->unlock();
 307         return 0;
 308 }
 309
 310
 311
 312 int AudioDevice::interrupt_crash()
 313 {
 314         if( lowlevel_in )
 315                 lowlevel_in->interrupt_crash();
 316         stop_input();
 317         return 0;
 318 }
 319
 320 double AudioDevice::get_itimestamp()
 321 {
 322         buffer_lock->lock("AudioDevice::get_itimestamp");
 323         timer_lock->lock("AudioDevice::get_otimestamp");
 324         input_buffer_t *ibfr = &input[input_buffer_out];
 325         int frame = get_ichannels() * get_ibits() / 8;
 326         int64_t samples = frame ? input_buffer_offset / frame : 0;
 327         double timestamp = !in_samplerate || ibfr->timestamp < 0. ? -1. :
 328                 ibfr->timestamp + (double) samples / in_samplerate;
 329         timer_lock->unlock();
 330         buffer_lock->unlock();
 331         return timestamp;
 332 }
 333
 334 double AudioDevice::get_otimestamp()
 335 {
 336         buffer_lock->lock("AudioDevice::get_otimestamp");
 337         timer_lock->lock("AudioDevice::get_otimestamp");
 338         int64_t unplayed_samples = total_samples_output - current_position();
 339         double unplayed_time = !out_samplerate || last_buffer_time < 0. ? -1. :
 340                 (double)unplayed_samples / out_samplerate;
 341         double timestamp = last_buffer_time - unplayed_time;
 342         timer_lock->unlock();
 343         buffer_lock->unlock();
 344         return timestamp;
 345 }
 346
 347 double AudioDevice::device_timestamp()
 348 {
 349         return lowlevel_in ? lowlevel_in->device_timestamp() : -1.;
 350 }
 351
 352 int AudioDevice::close_all()
 353 {
 354         device_lock->lock("AudioDevice::close_all");
 355         stop_audio(0);
 356         if( lowlevel_in ) {
 357                 lowlevel_in->close_all();
 358                 delete lowlevel_in;
 359                 lowlevel_in = 0;
 360         }
 361         if( lowlevel_out )
 362         {
 363                 lowlevel_out->close_all();
 364                 delete lowlevel_out;
 365                 lowlevel_out = 0;
 366         }
 367         initialize();
 368         device_lock->unlock();
 369         return 0;
 370 }
 371
 372 void AudioDevice::auto_update(int channels, int samplerate, int bits)
 373 {
 374         if( !in_config || !in_config->follow_audio ) return;
 375         in_channels = channels;
 376         in_samplerate = samplerate;
 377         in_bits = bits;
 378         in_config_updated = 1;
 379         polling_lock->unlock();
 380 }
 381
 382 int AudioDevice::config_updated()
 383 {
 384         if( !in_config || !in_config->follow_audio ) return 0;
 385         return in_config_updated;
 386 }
 387
 388 void AudioDevice::config_update()
 389 {
 390         in_config_updated = 0;
 391         AudioInConfig *aconfig_in = mwindow->edl->session->aconfig_in;
 392         in51_2 = aconfig_in->map51_2 && in_channels == 6 ? 1 : 0;
 393         int ichannels = in51_2 ? 2 : in_channels;
 394         AudioOutConfig *aconfig_out = mwindow->edl->session->playback_config->aconfig;
 395         out51_2 = aconfig_out->map51_2 && ichannels == 6 ? 1 : 0;
 396         aconfig_in->in_samplerate = in_samplerate;
 397         aconfig_in->channels = ichannels;
 398         aconfig_in->oss_in_bits = in_bits;
 399         aconfig_in->alsa_in_bits = in_bits;
 400         total_samples_read = 0;
 401         total_samples_input = 0;
 402         monitor_open = 0;
 403 }
 404
 405 int AudioDevice::start_toc(const char *path, const char *toc_path)
 406 {
 407         return lowlevel_in ? lowlevel_in->start_toc(path, toc_path) : -1;
 408 }
 409
 410 int AudioDevice::start_record(int fd, int bsz)
 411 {
 412         return lowlevel_in ? lowlevel_in->start_record(fd, bsz) : -1;
 413 }
 414
 415 int AudioDevice::stop_record()
 416 {
 417         return lowlevel_in ? lowlevel_in->stop_record() : -1;
 418 }
 419
 420 int AudioDevice::total_audio_channels()
 421 {
 422         return lowlevel_in ? lowlevel_in->total_audio_channels() : 0;
 423 }
 424
 425 DeviceMPEGInput *AudioDevice::mpeg_device()
 426 {
 427         return lowlevel_in ? lowlevel_in->mpeg_device() : 0;
 428 }
 429