| 1 | /*
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| 2 | rdesktop: A Remote Desktop Protocol client.
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| 3 | Sound infrastructure
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| 4 | Copyright (C) Michael Gernoth 2006-2008
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| 5 |
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| 6 | This program is free software: you can redistribute it and/or modify
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| 7 | it under the terms of the GNU General Public License as published by
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| 8 | the Free Software Foundation, either version 3 of the License, or
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| 9 | (at your option) any later version.
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| 10 |
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| 11 | This program is distributed in the hope that it will be useful,
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | GNU General Public License for more details.
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| 15 |
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| 16 | You should have received a copy of the GNU General Public License
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| 17 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 18 | */
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| 19 |
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| 20 | /*
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| 21 | * Oracle GPL Disclaimer: For the avoidance of doubt, except that if any license choice
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| 22 | * other than GPL or LGPL is available it will apply instead, Oracle elects to use only
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| 23 | * the General Public License version 2 (GPLv2) at this time for any software where
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| 24 | * a choice of GPL license versions is made available with the language indicating
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| 25 | * that GPLv2 or any later version may be used, or where a choice of which version
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| 26 | * of the GPL is applied is otherwise unspecified.
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| 27 | */
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| 28 |
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| 29 | struct audio_packet
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| 30 | {
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| 31 | struct stream s;
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| 32 | uint16 tick;
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| 33 | uint8 index;
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| 34 |
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| 35 | struct timeval arrive_tv;
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| 36 | struct timeval completion_tv;
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| 37 | };
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| 38 |
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| 39 | struct audio_driver
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| 40 | {
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| 41 | void (*add_fds) (int *n, fd_set * rfds, fd_set * wfds, struct timeval * tv);
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| 42 | void (*check_fds) (fd_set * rfds, fd_set * wfds);
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| 43 |
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| 44 | RD_BOOL(*wave_out_open) (void);
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| 45 | void (*wave_out_close) (void);
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| 46 | RD_BOOL(*wave_out_format_supported) (RD_WAVEFORMATEX * pwfx);
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| 47 | RD_BOOL(*wave_out_set_format) (RD_WAVEFORMATEX * pwfx);
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| 48 | void (*wave_out_volume) (uint16 left, uint16 right);
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| 49 |
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| 50 | RD_BOOL(*wave_in_open) (void);
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| 51 | void (*wave_in_close) (void);
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| 52 | RD_BOOL(*wave_in_format_supported) (RD_WAVEFORMATEX * pwfx);
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| 53 | RD_BOOL(*wave_in_set_format) (RD_WAVEFORMATEX * pwfx);
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| 54 | void (*wave_in_volume) (uint16 left, uint16 right);
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| 55 |
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| 56 | char *name;
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| 57 | char *description;
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| 58 | int need_byteswap_on_be;
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| 59 | int need_resampling;
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| 60 | struct audio_driver *next;
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| 61 | };
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| 62 |
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| 63 | /* Driver register functions */
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| 64 | struct audio_driver *alsa_register(char *options);
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| 65 | struct audio_driver *libao_register(char *options);
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| 66 | struct audio_driver *oss_register(char *options);
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| 67 | struct audio_driver *sgi_register(char *options);
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| 68 | struct audio_driver *sun_register(char *options);
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