+++ /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
- *
- */
-
-#ifdef HAVE_FIREWIRE
-
-
-
-
-
-#include "audio1394.h"
-#include "playbackconfig.h"
-#include "device1394input.h"
-#include "device1394output.h"
-#include "iec61883input.h"
-#include "iec61883output.h"
-#include "preferences.h"
-#include "recordconfig.h"
-#include "videoconfig.h"
-#include "videodevice.h"
-
-#define SAMPLES_PER_FRAME 2048
-
-Audio1394::Audio1394(AudioDevice *device)
- : AudioLowLevel(device)
-{
- initialize();
-}
-
-
-Audio1394::~Audio1394()
-{
- close_all();
-}
-
-int Audio1394::initialize()
-{
- input_thread = 0;
- output_thread = 0;
- input_iec = 0;
- output_iec = 0;
- return 0;
-}
-
-int Audio1394::open_input()
-{
- int result = 0;
- if(!input_thread && !input_iec)
- {
-// Lock the channels for the DV format
- device->in_channels = 2;
- device->in_bits = 16;
- bytes_per_sample = device->in_channels * device->in_bits / 8;
-
-
- if(device->idriver == AUDIO_DV1394 ||
- device->idriver == AUDIO_1394)
- {
- input_thread = new Device1394Input;
- result = input_thread->open(device->in_config->firewire_port,
- device->in_config->firewire_channel,
- 30,
- device->in_channels,
- device->in_samplerate,
- device->in_bits,
- device->vconfig->w,
- device->vconfig->h);
- }
- else
- {
- input_iec = new IEC61883Input;
- result = input_iec->open(device->in_config->firewire_port,
- device->in_config->firewire_channel,
- 30,
- device->in_channels,
- device->in_samplerate,
- device->in_bits,
- device->vconfig->w,
- device->vconfig->h);
- }
-
-
-
-
- if(result)
- {
- delete input_thread;
- input_thread = 0;
- delete input_iec;
- input_iec = 0;
- }
- }
-
- return result;
-}
-
-int Audio1394::open_output()
-{
- if(!output_thread && !output_iec)
- {
-// Lock the channels for the DV format
- device->out_channels = 2;
- device->out_bits = 16;
- bytes_per_sample = device->out_channels * device->out_bits / 8;
-
-
- if(device->odriver == AUDIO_DV1394)
- {
- output_thread = new Device1394Output(device);
- output_thread->open(device->out_config->dv1394_path,
- device->out_config->dv1394_port,
- device->out_config->dv1394_channel,
- 30,
- device->out_channels,
- device->out_bits,
- device->out_samplerate,
- device->out_config->dv1394_syt);
- }
- else
- if(device->odriver == AUDIO_1394)
- {
- output_thread = new Device1394Output(device);
- output_thread->open(device->out_config->firewire_path,
- device->out_config->firewire_port,
- device->out_config->firewire_channel,
- 30,
- device->out_channels,
- device->out_bits,
- device->out_samplerate,
- device->out_config->firewire_syt);
- }
- else
- {
- output_iec = new IEC61883Output(device);
- output_iec->open(device->out_config->firewire_port,
- device->out_config->firewire_channel,
- 30,
- device->out_channels,
- device->out_bits,
- device->out_samplerate,
- device->out_config->firewire_syt);
- }
- }
- return 0;
-}
-
-int Audio1394::close_all()
-{
- if(input_thread)
- {
- delete input_thread;
- }
-
- if(output_thread)
- {
- delete output_thread;
- }
- delete input_iec;
- delete output_iec;
-
- initialize();
- return 0;
-}
-
-
-int Audio1394::read_buffer(char *buffer, int bytes)
-{
- if(input_thread)
- {
- input_thread->read_audio(buffer, bytes / bytes_per_sample);
- }
- else
- if(input_iec)
- {
- input_iec->read_audio(buffer, bytes / bytes_per_sample);
- }
-
- return 0;
-}
-
-int Audio1394::write_buffer(char *buffer, int bytes)
-{
- if(output_thread)
- output_thread->write_samples(buffer, bytes / bytes_per_sample);
- else
- if(output_iec)
- output_iec->write_samples(buffer, bytes / bytes_per_sample);
- return 0;
-}
-
-int64_t Audio1394::device_position()
-{
- if(output_thread)
- return output_thread->get_audio_position();
- else
- if(output_iec)
- return output_iec->get_audio_position();
- else
- return 0;
-}
-
-
-int Audio1394::flush_device()
-{
- if(output_thread)
- output_thread->flush();
- else
- if(output_iec)
- output_iec->flush();
- return 0;
-}
-
-int Audio1394::interrupt_playback()
-{
- if(output_thread)
- output_thread->interrupt();
- else
- if(output_iec)
- output_iec->interrupt();
- return 0;
-}
-
-
-
-#endif