diff options
Diffstat (limited to 'polyp/polyplib.c')
| -rw-r--r-- | polyp/polyplib.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/polyp/polyplib.c b/polyp/polyplib.c index e14f8cf9..b77d24ea 100644 --- a/polyp/polyplib.c +++ b/polyp/polyplib.c @@ -98,6 +98,10 @@ struct pa_context { void (*get_source_info_callback)(struct pa_context*c, const struct pa_source_info* i, int is_last, void *userdata); void *get_source_info_userdata; + void (*subscribe_callback)(struct pa_context *c, enum pa_subscription_event_type t, uint32_t index, void *userdata); + void *subscribe_userdata; + enum pa_subscription_mask subscribe_mask; + uint8_t auth_cookie[PA_NATIVE_COOKIE_LENGTH]; }; @@ -140,6 +144,7 @@ struct pa_stream { static void command_request(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata); static void command_playback_stream_killed(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata); +static void command_subscribe_event(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata); static const struct pa_pdispatch_command command_table[PA_COMMAND_MAX] = { [PA_COMMAND_ERROR] = { NULL }, @@ -152,6 +157,7 @@ static const struct pa_pdispatch_command command_table[PA_COMMAND_MAX] = { [PA_COMMAND_REQUEST] = { command_request }, [PA_COMMAND_PLAYBACK_STREAM_KILLED] = { command_playback_stream_killed }, [PA_COMMAND_RECORD_STREAM_KILLED] = { command_playback_stream_killed }, + [PA_COMMAND_SUBSCRIBE_EVENT] = { command_subscribe_event }, }; struct pa_context *pa_context_new(struct pa_mainloop_api *mainloop, const char *name) { @@ -200,6 +206,9 @@ struct pa_context *pa_context_new(struct pa_mainloop_api *mainloop, const char * c->get_source_info_callback = NULL; c->get_source_info_userdata = NULL; + c->subscribe_callback = NULL; + c->subscribe_userdata = NULL; + pa_check_for_sigpipe(); return c; } @@ -1301,3 +1310,79 @@ void pa_context_get_source_info_list(struct pa_context *c, void (*cb)(struct pa_ pa_pstream_send_tagstruct(c->pstream, t); pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, context_get_source_info_callback, c); } + +void pa_context_subscribe(struct pa_context *c, enum pa_subscription_mask m, void (*cb)(struct pa_context *c, enum pa_subscription_event_type t, uint32_t index, void *userdata), void *userdata) { + struct pa_tagstruct *t; + assert(c); + + c->subscribe_callback = cb; + c->subscribe_userdata = userdata; + c->subscribe_mask = m; + + t = pa_tagstruct_new(NULL, 0); + assert(t); + pa_tagstruct_putu32(t, PA_COMMAND_SUBSCRIBE); + pa_tagstruct_putu32(t, c->ctag++); + pa_tagstruct_putu32(t, cb ? m : 0); + pa_pstream_send_tagstruct(c->pstream, t); +} + +static void command_subscribe_event(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) { + struct pa_context *c = userdata; + enum pa_subscription_event_type e; + uint32_t index; + assert(pd && command == PA_COMMAND_SUBSCRIBE_EVENT && t && c); + + if (pa_tagstruct_getu32(t, &e) < 0 || + pa_tagstruct_getu32(t, &index) < 0 || + !pa_tagstruct_eof(t)) { + c->error = PA_ERROR_PROTOCOL; + context_dead(c); + return; + } + + if (pa_subscription_match_flags(c->subscribe_mask, e) && c->subscribe_callback) + c->subscribe_callback(c, e, index, c->subscribe_userdata); +} + +void pa_context_get_sink_info_by_index(struct pa_context *c, uint32_t index, void (*cb)(struct pa_context *c, const struct pa_sink_info *i, int is_last, void *userdata), void *userdata) { + struct pa_tagstruct *t; + uint32_t tag; + assert(c); + + c->get_sink_info_callback = cb; + c->get_sink_info_userdata = userdata; + + if (!cb) + return; + + t = pa_tagstruct_new(NULL, 0); + assert(t); + pa_tagstruct_putu32(t, PA_COMMAND_GET_SINK_INFO); + pa_tagstruct_putu32(t, tag = c->ctag++); + pa_tagstruct_putu32(t, index); + pa_tagstruct_puts(t, ""); + pa_pstream_send_tagstruct(c->pstream, t); + pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, context_get_sink_info_callback, c); +} + +void pa_context_get_source_info_by_index(struct pa_context *c, uint32_t index, void (*cb)(struct pa_context *c, const struct pa_source_info *i, int is_last, void *userdata), void *userdata) { + struct pa_tagstruct *t; + uint32_t tag; + assert(c); + + c->get_source_info_callback = cb; + c->get_source_info_userdata = userdata; + + if (!cb) + return; + + t = pa_tagstruct_new(NULL, 0); + assert(t); + pa_tagstruct_putu32(t, PA_COMMAND_GET_SOURCE_INFO); + pa_tagstruct_putu32(t, tag = c->ctag++); + pa_tagstruct_putu32(t, index); + pa_tagstruct_puts(t, ""); + pa_pstream_send_tagstruct(c->pstream, t); + pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, context_get_source_info_callback, c); +} |