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63 lines
1.3 KiB
63 lines
1.3 KiB
#include <stdlib.h> |
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#include <string.h> |
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#include "sound.h" |
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extern struct sound_driver sound_oss; |
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extern struct sound_driver sound_alsa; |
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extern struct sound_driver sound_win32; |
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extern struct sound_driver sound_coreaudio; |
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extern struct sound_driver sound_sndio; |
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LIST_HEAD(sound_driver_list); |
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static void register_sound_driver(struct sound_driver *sd) |
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{ |
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list_add_tail(&sd->list, &sound_driver_list); |
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} |
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void init_sound_drivers() |
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{ |
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#ifdef SOUND_SNDIO |
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register_sound_driver(&sound_sndio); |
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#endif |
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#ifdef SOUND_COREAUDIO |
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register_sound_driver(&sound_coreaudio); |
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#endif |
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#ifdef SOUND_WIN32 |
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register_sound_driver(&sound_win32); |
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#endif |
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#ifdef SOUND_OSS |
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register_sound_driver(&sound_oss); |
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#endif |
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#ifdef SOUND_ALSA |
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register_sound_driver(&sound_alsa); |
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#endif |
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} |
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struct sound_driver *select_sound_driver(char *pref, int *rate, int *format) |
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{ |
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struct list_head *head; |
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struct sound_driver *sd; |
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if (pref) { |
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list_for_each(head, &sound_driver_list) { |
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sd = list_entry(head, struct sound_driver, list); |
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if (strcmp(sd->id, pref) == 0) { |
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if (sd->init(rate, format) == 0) { |
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return sd; |
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} |
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} |
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} |
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} else { |
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list_for_each(head, &sound_driver_list) { |
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sd = list_entry(head, struct sound_driver, list); |
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/* Probing */ |
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if (sd->init(rate, format) == 0) { |
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/* found */ |
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return sd; |
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} |
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} |
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} |
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return NULL; |
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}
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