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jack1/drivers/oss/oss_driver.h

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  1. /*

  2. 

  3. 	OSS driver for Jack

  4. 	Copyright (C) 2003-2007 Jussi Laako <jussi@sonarnerd.net>

  5. 

  6. 	This program is free software; you can redistribute it and/or modify

  7. 	it under the terms of the GNU General Public License as published by

  8. 	the Free Software Foundation; either version 2 of the License, or

  9. 	(at your option) any later version.

  10. 

  11. 	This program is distributed in the hope that it will be useful,

  12. 	but WITHOUT ANY WARRANTY; without even the implied warranty of

  13. 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  14. 	GNU General Public License for more details.

  15. 

  16. 	You should have received a copy of the GNU General Public License

  17. 	along with this program; if not, write to the Free Software

  18. 	Foundation, Inc., 59 Temple Place, Suite 330, Boston,

  19. 	MA  02111-1307  USA

  20. 

  21. */

  22. 

  23. 

  24. #ifndef __JACK_OSS_DRIVER_H__

  25. #define __JACK_OSS_DRIVER_H__

  26. 

  27. #include <sys/types.h>

  28. #include <pthread.h>

  29. #include <semaphore.h>

  30. 

  31. #include <jack/types.h>

  32. #include <jack/jslist.h>

  33. #include <jack/driver.h>

  34. #include <jack/jack.h>

  35. 

  36. 

  37. #define OSS_DRIVER_DEF_DEV	"/dev/dsp"

  38. #define OSS_DRIVER_DEF_FS	48000

  39. #define OSS_DRIVER_DEF_BLKSIZE	1024

  40. #define OSS_DRIVER_DEF_NPERIODS	2

  41. #define OSS_DRIVER_DEF_BITS	16

  42. #define OSS_DRIVER_DEF_INS	2

  43. #define OSS_DRIVER_DEF_OUTS	2

  44. 

  45. 

  46. typedef jack_default_audio_sample_t jack_sample_t;

  47. 

  48. typedef struct _oss_driver

  49. {

  50. 	JACK_DRIVER_DECL

  51. 

  52. 	jack_nframes_t sample_rate;

  53. 	jack_nframes_t period_size;

  54. 	unsigned int nperiods;

  55. 	int bits;

  56. 	unsigned int capture_channels;

  57. 	unsigned int playback_channels;

  58. 

  59. 	char *indev;

  60. 	char *outdev;

  61. 	int infd;

  62. 	int outfd;

  63. 	int format;

  64. 	int ignorehwbuf;

  65. 	int trigger;

  66. 

  67. 	size_t indevbufsize;

  68. 	size_t outdevbufsize;

  69. 	size_t portbufsize;

  70. 	void *indevbuf;

  71. 	void *outdevbuf;

  72. 

  73. 	float iodelay;

  74. 	jack_time_t last_periodtime;

  75. 	jack_time_t next_periodtime;

  76. 	jack_nframes_t sys_in_latency;

  77. 	jack_nframes_t sys_out_latency;

  78. 

  79. 	JSList *capture_ports;

  80. 	JSList *playback_ports;

  81. 

  82. 	jack_engine_t *engine;

  83. 	jack_client_t *client;

  84. 

  85. 	volatile int run;

  86. 	volatile int threads;

  87. 	pthread_t thread_in;

  88. 	pthread_t thread_out;

  89. 	pthread_mutex_t mutex_in;

  90. 	pthread_mutex_t mutex_out;

  91. #	ifdef USE_BARRIER

  92. 	pthread_barrier_t barrier;

  93. #	endif

  94. 	sem_t sem_start;

  95. } oss_driver_t;

  96. 

  97. 

  98. #endif