+++ /dev/null
-
-/*
- * CINELERRA
- * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
- *
- * 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include "audiodevice.h"
-#include "audio1394.h"
-#include "audioalsa.h"
-#include "audiodvb.h"
-#include "audiov4l2mpeg.h"
-#include "audioesound.h"
-#include "audiooss.h"
-#include "asset.h"
-#include "bctimer.h"
-#include "condition.h"
-#include "dcoffset.h"
-#include "edl.h"
-#include "edlsession.h"
-#include "mainmenu.h"
-#include "mutex.h"
-#include "mwindow.h"
-#include "mwindowgui.h"
-#include "playbackconfig.h"
-#include "preferences.h"
-#include "recordconfig.h"
-#include "recordgui.h"
-#include "record.h"
-#include "sema.h"
-
-
-AudioLowLevel::AudioLowLevel(AudioDevice *device)
-{
- this->device = device;
-}
-
-AudioLowLevel::~AudioLowLevel()
-{
-}
-
-
-AudioDevice::AudioDevice(MWindow *mwindow)
-{
- initialize();
- this->mwindow = mwindow;
- this->out_config = new AudioOutConfig();
- this->in_config = new AudioInConfig;
- this->vconfig = new VideoInConfig;
- device_lock = new Mutex("AudioDevice::device_lock",1);
- timer_lock = new Mutex("AudioDevice::timer_lock");
- buffer_lock = new Mutex("AudioDevice::buffer_lock");
- polling_lock = new Condition(0, "AudioDevice::polling_lock");
- playback_timer = new Timer;
- record_timer = new Timer;
- for(int i = 0; i < TOTAL_AUDIO_BUFFERS; i++) {
- output_buffer_t *obfr = &output[i];
- obfr->play_lock = new Condition(0, "AudioDevice::play_lock");
- obfr->arm_lock = new Condition(1, "AudioDevice::arm_lock");
- }
- reset_input();
- total_samples_read = 0;
- total_samples_input = 0;
- reset_output();
- total_samples_written = 0;
- total_samples_output = 0;
-}
-
-AudioDevice::~AudioDevice()
-{
- stop_audio(0);
- delete out_config;
- delete in_config;
- delete vconfig;
- delete timer_lock;
- for( int i=0; i < TOTAL_AUDIO_BUFFERS; ++i ) {
- output_buffer_t *obfr = &output[i];
- delete obfr->play_lock;
- delete obfr->arm_lock;
- }
- delete playback_timer;
- delete record_timer;
- delete buffer_lock;
- delete polling_lock;
- delete device_lock;
-}
-
-int AudioDevice::initialize()
-{
- for(int i = 0; i < TOTAL_AUDIO_BUFFERS; i++) {
- input[i].buffer = 0;
- output[i].buffer = 0;
- }
- audio_in = audio_out = 0;
- in_bits = out_bits = 0;
- in_channels = out_channels = 0;
- in_samples = out_samples = 0;
- in_samplerate = out_samplerate = 0;
- in_realtime = out_realtime = 0;
- lowlevel_out = lowlevel_in = 0;
- in51_2 = out51_2 = 0;
- in_config_updated = 0;
- rec_dither = play_dither = 0;
- rec_gain = play_gain = 1.;
- r = w = 0;
- software_position_info = 0;
- vdevice = 0;
- sharing = 0;
- return 0;
-}
-
-
-void AudioThread::initialize()
-{
- device = 0;
- arun = 0;
- aend = 0;
- startup_lock = 0;
- started = 0;
-}
-
-
-AudioThread::
-AudioThread(AudioDevice *device,
- void (AudioDevice::*arun)(), void (AudioDevice::*aend)())
- : Thread(1, 0, 0)
-{
- initialize();
- startup_lock = new Condition(0, "AudioThread::startup_lock");
- this->device = device;
- this->arun = arun;
- this->aend = aend;
- Thread::start();
-}
-
-AudioThread::~AudioThread()
-{
- delete startup_lock;
-}
-
-void AudioThread::stop(int wait)
-{
- if( !wait ) (device->*aend)();
- startup();
- Thread::join();
-}
-
-void AudioThread::run()
-{
- startup_lock->lock();
- (device->*arun)();
-}
-
-void AudioThread::startup()
-{
- if( !started ) {
- started = 1;
- startup_lock->unlock();
- }
-}
-
-
-void AudioDevice::stop_input()
-{
- device_lock->lock("AudioDevice::stop_input");
- if( audio_in ) {
- audio_in->stop(0);
- delete audio_in;
- audio_in = 0;
- }
- reset_input();
- device_lock->unlock();
-}
-
-void AudioDevice::stop_output(int wait)
-{
- if( !wait ) playback_interrupted = 1;
- device_lock->lock("AudioDevice::stop_output");
- if( audio_out ) {
- if( is_playing_back )
- audio_out->stop(wait);
- delete audio_out;
- audio_out = 0;
- }
- reset_output();
- device_lock->unlock();
-}
-
-int AudioDevice::stop_audio(int wait)
-{
- if( audio_in ) stop_input();
- if( audio_out ) stop_output(wait);
- return 0;
-}
-
-
-int AudioDevice::create_lowlevel(AudioLowLevel* &lowlevel, int driver,int in)
-{
- *(in ? &this->idriver : &this->odriver) = driver;
-
- if(!lowlevel) {
- switch(driver) {
-#ifdef HAVE_OSS
- case AUDIO_OSS:
- case AUDIO_OSS_ENVY24:
- lowlevel = new AudioOSS(this);
- break;
-#endif
-
-#ifdef HAVE_ESOUND
- case AUDIO_ESOUND:
- lowlevel = new AudioESound(this);
- break;
-#endif
- case AUDIO_NAS:
- break;
-
-#ifdef HAVE_ALSA
- case AUDIO_ALSA:
- lowlevel = new AudioALSA(this);
- break;
-#endif
-
-#ifdef HAVE_FIREWIRE
- case AUDIO_1394:
- case AUDIO_DV1394:
- case AUDIO_IEC61883:
- lowlevel = new Audio1394(this);
- break;
-#endif
-
- case AUDIO_DVB:
- lowlevel = new AudioDVB(this);
- break;
-
- case AUDIO_V4L2MPEG:
- lowlevel = new AudioV4L2MPEG(this);
- break;
- }
- }
- return 0;
-}
-
-int AudioDevice::open_input(AudioInConfig *config, VideoInConfig *vconfig,
- int rate, int samples, int channels, int realtime)
-{
- device_lock->lock("AudioDevice::open_input");
- r = 1;
- this->in_config->copy_from(config);
- this->vconfig->copy_from(vconfig);
- in_samplerate = rate;
- in_samples = samples;
- in_realtime = realtime;
- in51_2 = config->map51_2 && channels == 2;
- if( in51_2 ) channels = 6;
- in_channels = channels;
- rec_gain = config->rec_gain;
- create_lowlevel(lowlevel_in, config->driver, 1);
- lowlevel_in->open_input();
- in_config_updated = 0;
- record_timer->update();
- device_lock->unlock();
- return 0;
-}
-
-int AudioDevice::open_output(AudioOutConfig *config,
- int rate, int samples, int channels, int realtime)
-{
- device_lock->lock("AudioDevice::open_output");
- w = 1;
- *this->out_config = *config;
- out_samplerate = rate;
- out_samples = samples;
- out51_2 = config->map51_2 && channels == 6;
- if( out51_2 ) channels = 2;
- out_channels = channels;
- out_realtime = realtime;
- play_gain = config->play_gain;
- create_lowlevel(lowlevel_out, config->driver,0);
- int result = lowlevel_out ? lowlevel_out->open_output() : 0;
- device_lock->unlock();
- return result;
-}
-
-int AudioDevice::open_monitor(AudioOutConfig *config,int mode)
-{
- device_lock->lock("AudioDevice::open_output");
- w = 1;
- *this->out_config = *config;
- monitoring = mode;
- monitor_open = 0;
- device_lock->unlock();
- return 0;
-}
-
-
-
-int AudioDevice::interrupt_crash()
-{
- if( lowlevel_in )
- lowlevel_in->interrupt_crash();
- stop_input();
- return 0;
-}
-
-double AudioDevice::get_itimestamp()
-{
- buffer_lock->lock("AudioDevice::get_itimestamp");
- timer_lock->lock("AudioDevice::get_otimestamp");
- input_buffer_t *ibfr = &input[input_buffer_out];
- int frame = get_ichannels() * get_ibits() / 8;
- int64_t samples = frame ? input_buffer_offset / frame : 0;
- double timestamp = !in_samplerate || ibfr->timestamp < 0. ? -1. :
- ibfr->timestamp + (double) samples / in_samplerate;
- timer_lock->unlock();
- buffer_lock->unlock();
- return timestamp;
-}
-
-double AudioDevice::get_otimestamp()
-{
- buffer_lock->lock("AudioDevice::get_otimestamp");
- timer_lock->lock("AudioDevice::get_otimestamp");
- int64_t unplayed_samples = total_samples_output - current_position();
- double unplayed_time = !out_samplerate || last_buffer_time < 0. ? -1. :
- (double)unplayed_samples / out_samplerate;
- double timestamp = last_buffer_time - unplayed_time;
- timer_lock->unlock();
- buffer_lock->unlock();
- return timestamp;
-}
-
-double AudioDevice::device_timestamp()
-{
- return lowlevel_in ? lowlevel_in->device_timestamp() : -1.;
-}
-
-int AudioDevice::close_all()
-{
- device_lock->lock("AudioDevice::close_all");
- stop_audio(0);
- if( lowlevel_in ) {
- lowlevel_in->close_all();
- delete lowlevel_in;
- lowlevel_in = 0;
- }
- if( lowlevel_out )
- {
- lowlevel_out->close_all();
- delete lowlevel_out;
- lowlevel_out = 0;
- }
- initialize();
- device_lock->unlock();
- return 0;
-}
-
-void AudioDevice::auto_update(int channels, int samplerate, int bits)
-{
- if( !in_config || !in_config->follow_audio ) return;
- in_channels = channels;
- in_samplerate = samplerate;
- in_bits = bits;
- in_config_updated = 1;
- polling_lock->unlock();
-}
-
-int AudioDevice::config_updated()
-{
- if( !in_config || !in_config->follow_audio ) return 0;
- return in_config_updated;
-}
-
-void AudioDevice::config_update()
-{
- in_config_updated = 0;
- AudioInConfig *aconfig_in = mwindow->edl->session->aconfig_in;
- in51_2 = aconfig_in->map51_2 && in_channels == 6 ? 1 : 0;
- int ichannels = in51_2 ? 2 : in_channels;
- AudioOutConfig *aconfig_out = mwindow->edl->session->playback_config->aconfig;
- out51_2 = aconfig_out->map51_2 && ichannels == 6 ? 1 : 0;
- aconfig_in->in_samplerate = in_samplerate;
- aconfig_in->channels = ichannels;
- aconfig_in->oss_in_bits = in_bits;
- aconfig_in->alsa_in_bits = in_bits;
- total_samples_read = 0;
- total_samples_input = 0;
- monitor_open = 0;
-}
-
-int AudioDevice::start_toc(const char *path, const char *toc_path)
-{
- return lowlevel_in ? lowlevel_in->start_toc(path, toc_path) : -1;
-}
-
-int AudioDevice::start_record(int fd, int bsz)
-{
- return lowlevel_in ? lowlevel_in->start_record(fd, bsz) : -1;
-}
-
-int AudioDevice::stop_record()
-{
- return lowlevel_in ? lowlevel_in->stop_record() : -1;
-}
-
-int AudioDevice::total_audio_channels()
-{
- return lowlevel_in ? lowlevel_in->total_audio_channels() : 0;
-}
-
-DeviceMPEGInput *AudioDevice::mpeg_device()
-{
- return lowlevel_in ? lowlevel_in->mpeg_device() : 0;
-}
-
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