trunk/rdesktop/rdpsnd.h

/*
   rdesktop: A Remote Desktop Protocol client.
   Sound infrastructure
   Copyright (C) Michael Gernoth 2006

   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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

struct audio_packet
{
        struct stream s;
        uint16 tick;
        uint8 index;
};

struct audio_driver
{
        void (*wave_out_write) (STREAM s, uint16 tick, uint8 index);
        BOOL(*wave_out_open) (void);
        void (*wave_out_close) (void);
        BOOL(*wave_out_format_supported) (WAVEFORMATEX * pwfx);
        BOOL(*wave_out_set_format) (WAVEFORMATEX * pwfx);
        void (*wave_out_volume) (uint16 left, uint16 right);
        void (*wave_out_play) (void);
        char *name;
        char *description;
        int need_byteswap_on_be;
        int need_resampling;
        struct audio_driver *next;
};

extern BOOL g_dsp_busy;
extern int g_dsp_fd;

void rdpsnd_queue_write(STREAM s, uint16 tick, uint8 index);
struct audio_packet *rdpsnd_queue_current_packet(void);
BOOL rdpsnd_queue_empty(void);
void rdpsnd_queue_init(void);
void rdpsnd_queue_next(void);
int rdpsnd_queue_next_tick(void);

/* Driver register functions */
struct audio_driver *alsa_register(char *options);
struct audio_driver *libao_register(char *options);
struct audio_driver *oss_register(char *options);
struct audio_driver *sgi_register(char *options);
struct audio_driver *sun_register(char *options);
1	/*
2	rdesktop: A Remote Desktop Protocol client.
3	Sound infrastructure
4	Copyright (C) Michael Gernoth 2006
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., 675 Mass Ave, Cambridge, MA 02139, USA.
19	*/
20
21	struct audio_packet
22	{
23	struct stream s;
24	uint16 tick;
25	uint8 index;
26	};
27
28	struct audio_driver
29	{
30	void (*wave_out_write) (STREAM s, uint16 tick, uint8 index);
31	BOOL(*wave_out_open) (void);
32	void (*wave_out_close) (void);
33	BOOL(wave_out_format_supported) (WAVEFORMATEX pwfx);
34	BOOL(wave_out_set_format) (WAVEFORMATEX pwfx);
35	void (*wave_out_volume) (uint16 left, uint16 right);
36	void (*wave_out_play) (void);
37	char *name;
38	char *description;
39	int need_byteswap_on_be;
40	int need_resampling;
41	struct audio_driver *next;
42	};
43
44	extern BOOL g_dsp_busy;
45	extern int g_dsp_fd;
46
47	void rdpsnd_queue_write(STREAM s, uint16 tick, uint8 index);
48	struct audio_packet *rdpsnd_queue_current_packet(void);
49	BOOL rdpsnd_queue_empty(void);
50	void rdpsnd_queue_init(void);
51	void rdpsnd_queue_next(void);
52	int rdpsnd_queue_next_tick(void);
53
54	/* Driver register functions */
55	struct audio_driver alsa_register(char options);
56	struct audio_driver libao_register(char options);
57	struct audio_driver oss_register(char options);
58	struct audio_driver sgi_register(char options);
59	struct audio_driver sun_register(char options);