Modules | |
| External Filter plugin SDK | |
| External I/O plugin SDK | |
Files | |
| file | pcm_extplug.c |
| External Filter Plugin SDK. | |
| file | pcm_ioplug.c |
| I/O Plugin SDK. | |
Defines | |
| #define | SND_PCM_PLUGIN_ENTRY(name) _snd_pcm_##name##_open |
| #define | SND_PCM_PLUGIN_SYMBOL(name) SND_DLSYM_BUILD_VERSION(SND_PCM_PLUGIN_ENTRY(name), SND_PCM_DLSYM_VERSION); |
| #define | SND_PCM_PLUGIN_DEFINE_FUNC(plugin) |
Functions | |
| int | snd_pcm_parse_control_id (snd_config_t *conf, snd_ctl_elem_id_t *ctl_id, int *cardp, int *cchannelsp, int *hwctlp) |
| Parse control element id from the config. | |
| #define SND_PCM_PLUGIN_DEFINE_FUNC | ( | plugin | ) |
Value:
int SND_PCM_PLUGIN_ENTRY(plugin) (snd_pcm_t **pcmp, const char *name,\ snd_config_t *root, snd_config_t *conf, \ snd_pcm_stream_t stream, int mode)
| #define SND_PCM_PLUGIN_ENTRY | ( | name | ) | _snd_pcm_##name##_open |
Define the object entry for external PCM plugins
| #define SND_PCM_PLUGIN_SYMBOL | ( | name | ) | SND_DLSYM_BUILD_VERSION(SND_PCM_PLUGIN_ENTRY(name), SND_PCM_DLSYM_VERSION); |
Define the symbols of the given plugin with versions
| int snd_pcm_parse_control_id | ( | snd_config_t * | conf, | |
| snd_ctl_elem_id_t * | ctl_id, | |||
| int * | cardp, | |||
| int * | cchannelsp, | |||
| int * | hwctlp | |||
| ) |
Parse control element id from the config.
| conf | the config tree to parse | |
| ctl_id | the pointer to store the resultant control element id | |
| cardp | the pointer to store the card index | |
| cchannelsp | the pointer to store the number of channels (optional) | |
| hwctlp | the pointer to store the h/w control flag (optional) |
cchannelsp and hwctlp arguments are optional. Set NULL if not necessary.
1.5.8