Revision 38cc9b60
| b/audio/alsaaudio.c | ||
|---|---|---|
| 843 | 843 |
return 0; |
| 844 | 844 |
} |
| 845 | 845 |
|
| 846 |
static int alsa_voice_ctl (snd_pcm_t *handle, const char *typ, int pause) |
|
| 846 |
#define VOICE_CTL_PAUSE 0 |
|
| 847 |
#define VOICE_CTL_PREPARE 1 |
|
| 848 |
#define VOICE_CTL_START 2 |
|
| 849 |
|
|
| 850 |
static int alsa_voice_ctl (snd_pcm_t *handle, const char *typ, int ctl) |
|
| 847 | 851 |
{
|
| 848 | 852 |
int err; |
| 849 | 853 |
|
| 850 |
if (pause) {
|
|
| 854 |
if (ctl == VOICE_CTL_PAUSE) {
|
|
| 851 | 855 |
err = snd_pcm_drop (handle); |
| 852 | 856 |
if (err < 0) {
|
| 853 | 857 |
alsa_logerr (err, "Could not stop %s\n", typ); |
| ... | ... | |
| 860 | 864 |
alsa_logerr (err, "Could not prepare handle for %s\n", typ); |
| 861 | 865 |
return -1; |
| 862 | 866 |
} |
| 867 |
if (ctl == VOICE_CTL_START) {
|
|
| 868 |
err = snd_pcm_start(handle); |
|
| 869 |
if (err < 0) {
|
|
| 870 |
alsa_logerr (err, "Could not start handle for %s\n", typ); |
|
| 871 |
return -1; |
|
| 872 |
} |
|
| 873 |
} |
|
| 863 | 874 |
} |
| 864 | 875 |
|
| 865 | 876 |
return 0; |
| ... | ... | |
| 884 | 895 |
poll_mode = 0; |
| 885 | 896 |
} |
| 886 | 897 |
hw->poll_mode = poll_mode; |
| 887 |
return alsa_voice_ctl (alsa->handle, "playback", 0);
|
|
| 898 |
return alsa_voice_ctl (alsa->handle, "playback", VOICE_CTL_PREPARE);
|
|
| 888 | 899 |
} |
| 889 | 900 |
|
| 890 | 901 |
case VOICE_DISABLE: |
| ... | ... | |
| 893 | 904 |
hw->poll_mode = 0; |
| 894 | 905 |
alsa_fini_poll (&alsa->pollhlp); |
| 895 | 906 |
} |
| 896 |
return alsa_voice_ctl (alsa->handle, "playback", 1);
|
|
| 907 |
return alsa_voice_ctl (alsa->handle, "playback", VOICE_CTL_PAUSE);
|
|
| 897 | 908 |
} |
| 898 | 909 |
|
| 899 | 910 |
return -1; |
| ... | ... | |
| 1106 | 1117 |
} |
| 1107 | 1118 |
hw->poll_mode = poll_mode; |
| 1108 | 1119 |
|
| 1109 |
return alsa_voice_ctl (alsa->handle, "capture", 0);
|
|
| 1120 |
return alsa_voice_ctl (alsa->handle, "capture", VOICE_CTL_START);
|
|
| 1110 | 1121 |
} |
| 1111 | 1122 |
|
| 1112 | 1123 |
case VOICE_DISABLE: |
| ... | ... | |
| 1115 | 1126 |
hw->poll_mode = 0; |
| 1116 | 1127 |
alsa_fini_poll (&alsa->pollhlp); |
| 1117 | 1128 |
} |
| 1118 |
return alsa_voice_ctl (alsa->handle, "capture", 1);
|
|
| 1129 |
return alsa_voice_ctl (alsa->handle, "capture", VOICE_CTL_PAUSE);
|
|
| 1119 | 1130 |
} |
| 1120 | 1131 |
|
| 1121 | 1132 |
return -1; |
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