Rev | Line | |
---|
[0] | 1 | //driver_esd.c: |
---|
| 2 | |
---|
| 3 | #include "roard.h" |
---|
[425] | 4 | #ifdef ROAR_HAVE_LIBAO |
---|
[0] | 5 | |
---|
| 6 | int driver_ao_open(DRIVER_USERDATA_T * inst, char * device, struct roar_audio_info * info) { |
---|
| 7 | ao_device * aodevice; |
---|
| 8 | ao_sample_format format; |
---|
| 9 | int driver; |
---|
| 10 | |
---|
| 11 | ao_initialize(); |
---|
| 12 | |
---|
| 13 | if ( device == NULL ) { |
---|
| 14 | driver = ao_default_driver_id(); |
---|
| 15 | } else { |
---|
| 16 | if ( (driver = ao_driver_id(device)) == -1 ) { |
---|
| 17 | ROAR_ERR("Can not open audio device via libao's driver '%s'", device); |
---|
| 18 | return -1; |
---|
| 19 | } |
---|
| 20 | } |
---|
| 21 | |
---|
| 22 | format.bits = info->bits; |
---|
| 23 | format.channels = info->channels; |
---|
| 24 | format.rate = info->rate; |
---|
| 25 | format.byte_format = AO_FMT_NATIVE; |
---|
| 26 | |
---|
| 27 | aodevice = ao_open_live(driver, &format, NULL /* no options */); |
---|
| 28 | |
---|
| 29 | if ( aodevice == NULL ) { |
---|
| 30 | ROAR_ERR("Can not open audio device via libao."); |
---|
| 31 | return -1; |
---|
| 32 | } |
---|
| 33 | |
---|
| 34 | *((ao_device**)inst) = aodevice; |
---|
| 35 | |
---|
| 36 | return 0; |
---|
| 37 | } |
---|
| 38 | |
---|
| 39 | int driver_ao_close(DRIVER_USERDATA_T inst) { |
---|
| 40 | |
---|
| 41 | ao_close((ao_device*)inst); |
---|
| 42 | |
---|
| 43 | ao_shutdown(); |
---|
| 44 | |
---|
| 45 | return -1; |
---|
| 46 | } |
---|
| 47 | |
---|
| 48 | int driver_ao_pause(DRIVER_USERDATA_T inst, int newstate) { |
---|
| 49 | return -1; |
---|
| 50 | } |
---|
| 51 | |
---|
| 52 | int driver_ao_write(DRIVER_USERDATA_T inst, char * buf, int len) { |
---|
| 53 | return ao_play((ao_device*)inst, buf, len); |
---|
| 54 | } |
---|
| 55 | |
---|
| 56 | int driver_ao_read(DRIVER_USERDATA_T inst, char * buf, int len) { |
---|
| 57 | return -1; |
---|
| 58 | } |
---|
| 59 | |
---|
| 60 | int driver_ao_flush(DRIVER_USERDATA_T inst) { |
---|
| 61 | return 0; |
---|
| 62 | } |
---|
| 63 | |
---|
[425] | 64 | #endif |
---|
[0] | 65 | //ll |
---|
Note: See
TracBrowser
for help on using the repository browser.