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

[goodguy/history.git] / cinelerra-5.1 / cinelerra / audiooss.h

diff --git a/cinelerra-5.1/cinelerra/audiooss.h b/cinelerra-5.1/cinelerra/audiooss.h
new file mode 100644 (file)
index 0000000..50a8bf7
--- /dev/null
+++ b/cinelerra-5.1/cinelerra/audiooss.h
@@ -0,0 +1,93 @@
+
+/*
+ * 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
+ * 
+ */
+
+#ifndef AUDIOOSS_H
+#define AUDIOOSS_H
+
+#include "audiodevice.h"
+#include "condition.inc"
+#include "playbackconfig.inc"
+
+#ifdef HAVE_OSS
+#include <sys/soundcard.h>
+
+class OSSThread : public Thread
+{
+public:
+       OSSThread(AudioOSS *device);
+       ~OSSThread();
+       
+       void run();
+       void write_data(int fd, unsigned char *data, int bytes);
+       void read_data(int fd, unsigned char *data, int bytes);
+// Must synchronize reads and writes
+       void wait_read();
+       void wait_write();
+       int64_t device_position();
+       
+       Condition *input_lock;
+       Condition *output_lock;
+       Condition *read_lock;
+       Condition *write_lock;
+       int rd, wr, fd;
+       unsigned char *data;
+       int bytes;
+       int done;
+       AudioOSS *device;
+
+       int64_t bytes_written;
+       Timer *timer;
+       int delay;
+       Mutex *timer_lock;
+
+};
+
+class AudioOSS : public AudioLowLevel
+{
+public:
+       AudioOSS(AudioDevice *device);
+       ~AudioOSS();
+       
+       int open_input();
+       int open_output();
+       int write_buffer(char *buffer, int bytes);
+       int read_buffer(char *buffer, int bytes);
+       int close_all();
+       int64_t device_position();
+       int flush_device();
+       int interrupt_playback();
+
+private:
+       int get_fmt(int bits);
+       int sizetofrag(int samples, int channels, int bits);
+       int set_cloexec_flag(int desc, int value);
+       int get_output(int number);
+       int get_input(int number);
+       int dsp_in[MAXDEVICES], dsp_out[MAXDEVICES];
+       OSSThread *thread[MAXDEVICES];
+// Temp for each device, Bytes allocated
+       unsigned char *data[MAXDEVICES];
+       int data_allocated[MAXDEVICES];
+};
+
+#endif
+
+#endif