Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible

[goodguy/history.git] / cinelerra-5.1 / cinelerra / audio1394.C

diff --git a/cinelerra-5.1/cinelerra/audio1394.C b/cinelerra-5.1/cinelerra/audio1394.C
new file mode 100644 (file)
index 0000000..50ce255
--- /dev/null
+++ b/cinelerra-5.1/cinelerra/audio1394.C
@@ -0,0 +1,232 @@
+
+/*
+ * 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 "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();
+}
+
+void Audio1394::initialize()
+{
+       input_thread = 0;
+       output_thread = 0;
+       input_iec = 0;
+       output_iec = 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_path,
+                               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;
+}