+
+/*
+ * 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