From a65c2c73369e6b2ce9350dfb542f5d529de38334 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Tue, 20 Jan 2009 03:25:29 +0100 Subject: add client API for querying card information --- src/map-file | 5 + src/pulse/introspect.c | 200 +++++++++++++++++++++++++++++++++++++++- src/pulse/introspect.h | 48 +++++++++- src/pulsecore/native-common.h | 5 + src/pulsecore/protocol-native.c | 43 ++++++++- src/utils/pactl.c | 48 +++++++++- 6 files changed, 344 insertions(+), 5 deletions(-) (limited to 'src') diff --git a/src/map-file b/src/map-file index 9c9e1c7c..042e2adb 100644 --- a/src/map-file +++ b/src/map-file @@ -30,6 +30,9 @@ pa_context_exit_daemon; pa_context_get_autoload_info_by_index; pa_context_get_autoload_info_by_name; pa_context_get_autoload_info_list; +pa_context_get_card_info_by_index; +pa_context_get_card_info_by_name; +pa_context_get_card_info_list; pa_context_get_client_info; pa_context_get_client_info_list; pa_context_get_index; @@ -73,6 +76,8 @@ pa_context_ref; pa_context_remove_autoload_by_index; pa_context_remove_autoload_by_name; pa_context_remove_sample; +pa_context_set_card_profile_by_index; +pa_context_set_card_profile_by_name; pa_context_set_default_sink; pa_context_set_default_source; pa_context_set_name; diff --git a/src/pulse/introspect.c b/src/pulse/introspect.c index a6a228ec..c5c96784 100644 --- a/src/pulse/introspect.c +++ b/src/pulse/introspect.c @@ -28,8 +28,10 @@ #include #include +#include #include +#include #include #include "internal.h" @@ -60,7 +62,8 @@ static void context_stat_callback(pa_pdispatch *pd, uint32_t command, uint32_t t pa_tagstruct_getu32(t, &i.memblock_total_size) < 0 || pa_tagstruct_getu32(t, &i.memblock_allocated) < 0 || pa_tagstruct_getu32(t, &i.memblock_allocated_size) < 0 || - pa_tagstruct_getu32(t, &i.scache_size) < 0) { + pa_tagstruct_getu32(t, &i.scache_size) < 0 || + !pa_tagstruct_eof(t)) { pa_context_fail(o->context, PA_ERR_PROTOCOL); goto finish; } @@ -467,6 +470,201 @@ pa_operation* pa_context_get_client_info_list(pa_context *c, pa_client_info_cb_t return pa_context_send_simple_command(c, PA_COMMAND_GET_CLIENT_INFO_LIST, context_get_client_info_callback, (pa_operation_cb_t) cb, userdata); } +/*** Card info ***/ + +static void context_get_card_info_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { + pa_operation *o = userdata; + int eol = 1; + + pa_assert(pd); + pa_assert(o); + pa_assert(PA_REFCNT_VALUE(o) >= 1); + + if (!o->context) + goto finish; + + if (command != PA_COMMAND_REPLY) { + if (pa_context_handle_error(o->context, command, t, FALSE) < 0) + goto finish; + + eol = -1; + } else { + + while (!pa_tagstruct_eof(t)) { + pa_card_info i; + uint32_t j; + const char*ap; + + memset(&i, 0, sizeof(i)); + + if (pa_tagstruct_getu32(t, &i.index) < 0 || + pa_tagstruct_gets(t, &i.name) < 0 || + pa_tagstruct_getu32(t, &i.owner_module) < 0 || + pa_tagstruct_gets(t, &i.driver) < 0 || + pa_tagstruct_getu32(t, &i.n_profiles) < 0) { + + pa_context_fail(o->context, PA_ERR_PROTOCOL); + goto finish; + } + + if (i.n_profiles > 0) { + i.profiles = pa_xnew(pa_card_profile_info, i.n_profiles+1); + + for (j = 0; j < i.n_profiles; j++) { + + if (pa_tagstruct_gets(t, &i.profiles[j].name) < 0 || + pa_tagstruct_gets(t, &i.profiles[j].description) < 0) { + + pa_context_fail(o->context, PA_ERR_PROTOCOL); + pa_xfree(i.profiles); + goto finish; + } + } + + /* Terminate with an extra NULL entry, just to make sure */ + i.profiles[j].name = NULL; + i.profiles[j].description = NULL; + } + + i.proplist = pa_proplist_new(); + + if (pa_tagstruct_gets(t, &ap) < 0 || + pa_tagstruct_get_proplist(t, i.proplist) < 0) { + + pa_context_fail(o->context, PA_ERR_PROTOCOL); + pa_xfree(i.profiles); + pa_proplist_free(i.proplist); + goto finish; + } + + if (ap) { + for (j = 0; j < i.n_profiles; j++) + if (pa_streq(i.profiles[j].name, ap)) { + i.active_profile = &i.profiles[j]; + break; + } + } + + if (o->callback) { + pa_card_info_cb_t cb = (pa_card_info_cb_t) o->callback; + cb(o->context, &i, 0, o->userdata); + } + + pa_proplist_free(i.proplist); + pa_xfree(i.profiles); + } + } + + if (o->callback) { + pa_card_info_cb_t cb = (pa_card_info_cb_t) o->callback; + cb(o->context, NULL, eol, o->userdata); + } + +finish: + pa_operation_done(o); + pa_operation_unref(o); +} + +pa_operation* pa_context_get_card_info_by_index(pa_context *c, uint32_t idx, pa_card_info_cb_t cb, void *userdata) { + pa_tagstruct *t; + pa_operation *o; + uint32_t tag; + + pa_assert(c); + pa_assert(PA_REFCNT_VALUE(c) >= 1); + pa_assert(cb); + + PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); + PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID); + PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 15, PA_ERR_NOTSUPPORTED); + + o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata); + + t = pa_tagstruct_command(c, PA_COMMAND_GET_CARD_INFO, &tag); + pa_tagstruct_putu32(t, idx); + pa_tagstruct_puts(t, NULL); + pa_pstream_send_tagstruct(c->pstream, t); + pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, context_get_card_info_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref); + + return o; +} + +pa_operation* pa_context_get_card_info_by_name(pa_context *c, const char*name, pa_card_info_cb_t cb, void *userdata) { + pa_tagstruct *t; + pa_operation *o; + uint32_t tag; + + pa_assert(c); + pa_assert(PA_REFCNT_VALUE(c) >= 1); + pa_assert(cb); + + PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); + PA_CHECK_VALIDITY_RETURN_NULL(c, !name || *name, PA_ERR_INVALID); + PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 15, PA_ERR_NOTSUPPORTED); + + o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata); + + t = pa_tagstruct_command(c, PA_COMMAND_GET_CARD_INFO, &tag); + pa_tagstruct_putu32(t, PA_INVALID_INDEX); + pa_tagstruct_puts(t, name); + pa_pstream_send_tagstruct(c->pstream, t); + pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, context_get_card_info_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref); + + return o; +} + +pa_operation* pa_context_get_card_info_list(pa_context *c, pa_card_info_cb_t cb, void *userdata) { + return pa_context_send_simple_command(c, PA_COMMAND_GET_CARD_INFO_LIST, context_get_card_info_callback, (pa_operation_cb_t) cb, userdata); +} + +pa_operation* pa_context_set_card_profile_by_index(pa_context *c, uint32_t idx, const char*profile, pa_context_success_cb_t cb, void *userdata) { + pa_operation *o; + pa_tagstruct *t; + uint32_t tag; + + pa_assert(c); + pa_assert(PA_REFCNT_VALUE(c) >= 1); + + PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); + PA_CHECK_VALIDITY_RETURN_NULL(c, idx != PA_INVALID_INDEX, PA_ERR_INVALID); + PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 15, PA_ERR_NOTSUPPORTED); + + o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata); + + t = pa_tagstruct_command(c, PA_COMMAND_SET_CARD_PROFILE, &tag); + pa_tagstruct_putu32(t, idx); + pa_tagstruct_puts(t, NULL); + pa_tagstruct_puts(t, profile); + pa_pstream_send_tagstruct(c->pstream, t); + pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref); + + return o; +} + +pa_operation* pa_context_set_card_profile_by_name(pa_context *c, const char *name, const char*profile, pa_context_success_cb_t cb, void *userdata) { + pa_operation *o; + pa_tagstruct *t; + uint32_t tag; + + pa_assert(c); + pa_assert(PA_REFCNT_VALUE(c) >= 1); + + PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); + PA_CHECK_VALIDITY_RETURN_NULL(c, !name || *name, PA_ERR_INVALID); + PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 15, PA_ERR_NOTSUPPORTED); + + o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata); + + t = pa_tagstruct_command(c, PA_COMMAND_SET_CARD_PROFILE, &tag); + pa_tagstruct_putu32(t, PA_INVALID_INDEX); + pa_tagstruct_puts(t, name); + pa_tagstruct_puts(t, profile); + pa_pstream_send_tagstruct(c->pstream, t); + pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref); + + return o; +} + /*** Module info ***/ static void context_get_module_info_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { diff --git a/src/pulse/introspect.h b/src/pulse/introspect.h index 07318c72..972b454c 100644 --- a/src/pulse/introspect.h +++ b/src/pulse/introspect.h @@ -222,7 +222,7 @@ typedef void (*pa_sink_info_cb_t)(pa_context *c, const pa_sink_info *i, int eol, pa_operation* pa_context_get_sink_info_by_name(pa_context *c, const char *name, pa_sink_info_cb_t cb, void *userdata); /** Get information about a sink by its index */ -pa_operation* pa_context_get_sink_info_by_index(pa_context *c, uint32_t id, pa_sink_info_cb_t cb, void *userdata); +pa_operation* pa_context_get_sink_info_by_index(pa_context *c, uint32_t idx, pa_sink_info_cb_t cb, void *userdata); /** Get the complete sink list */ pa_operation* pa_context_get_sink_info_list(pa_context *c, pa_sink_info_cb_t cb, void *userdata); @@ -279,7 +279,7 @@ typedef void (*pa_source_info_cb_t)(pa_context *c, const pa_source_info *i, int pa_operation* pa_context_get_source_info_by_name(pa_context *c, const char *name, pa_source_info_cb_t cb, void *userdata); /** Get information about a source by its index */ -pa_operation* pa_context_get_source_info_by_index(pa_context *c, uint32_t id, pa_source_info_cb_t cb, void *userdata); +pa_operation* pa_context_get_source_info_by_index(pa_context *c, uint32_t idx, pa_source_info_cb_t cb, void *userdata); /** Get the complete source list */ pa_operation* pa_context_get_source_info_list(pa_context *c, pa_source_info_cb_t cb, void *userdata); @@ -385,6 +385,50 @@ pa_operation* pa_context_kill_client(pa_context *c, uint32_t idx, pa_context_suc /** @} */ +/** @{ \name Cards */ + +/** Stores information about a specific profile of a card. Please + * note that this structure can be extended as part of evolutionary + * API updates at any time in any new release. \since 0.9.15 */ +typedef struct pa_card_profile_info { + const char *name; /**< Name of this profile */ + const char *description; /**< Description of this profile */ +} pa_card_profile_info; + +/** Stores information about cards. Please note that this structure + * can be extended as part of evolutionary API updates at any time in + * any new release. \since 0.9.15 */ +typedef struct pa_card_info { + uint32_t index; /**< Index of this card */ + const char *name; /**< Name of this card */ + uint32_t owner_module; /**< Index of the owning module, or PA_INVALID_INDEX */ + const char *driver; /**< Driver name */ + uint32_t n_profiles; /**< Number of entries in profile array */ + pa_card_profile_info* profiles; /**< Array of available profile, or NULL. Array is terminated by an entry with name set to NULL. Number of entries is stored in n_profiles */ + pa_card_profile_info* active_profile; /**< Pointer to active profile in the array, or NULL */ + pa_proplist *proplist; /**< Property list */ +} pa_card_info; + +/** Callback prototype for pa_context_get_card_info() and firends \since 0.9.15 */ +typedef void (*pa_card_info_cb_t) (pa_context *c, const pa_card_info*i, int eol, void *userdata); + +/** Get information about a card by its index \since 0.9.15 */ +pa_operation* pa_context_get_card_info_by_index(pa_context *c, uint32_t idx, pa_card_info_cb_t cb, void *userdata); + +/** Get information about a card by its name \since 0.9.15 */ +pa_operation* pa_context_get_card_info_by_name(pa_context *c, const char *name, pa_card_info_cb_t cb, void *userdata); + +/** Get the complete card list \since 0.9.15 */ +pa_operation* pa_context_get_card_info_list(pa_context *c, pa_card_info_cb_t cb, void *userdata); + +/** Change the profile of a card. \since 0.9.15 */ +pa_operation* pa_context_set_card_profile_by_index(pa_context *c, uint32_t idx, const char*profile, pa_context_success_cb_t cb, void *userdata); + +/** Change the profile of a card. \since 0.9.15 */ +pa_operation* pa_context_set_card_profile_by_name(pa_context *c, const char*name, const char*profile, pa_context_success_cb_t cb, void *userdata); + +/** @} */ + /** @{ \name Sink Inputs */ /** Stores information about sink inputs. Please note that this structure diff --git a/src/pulsecore/native-common.h b/src/pulsecore/native-common.h index 11643a72..b31a5da1 100644 --- a/src/pulsecore/native-common.h +++ b/src/pulsecore/native-common.h @@ -152,6 +152,11 @@ enum { /* Supported since protocol v14 (0.9.12) */ PA_COMMAND_EXTENSION, + /* Supported since protocol v15 (0.9.15*/ + PA_COMMAND_GET_CARD_INFO, + PA_COMMAND_GET_CARD_INFO_LIST, + PA_COMMAND_SET_CARD_PROFILE, + PA_COMMAND_MAX }; diff --git a/src/pulsecore/protocol-native.c b/src/pulsecore/protocol-native.c index f1735a78..87cf5838 100644 --- a/src/pulsecore/protocol-native.c +++ b/src/pulsecore/protocol-native.c @@ -283,6 +283,7 @@ static const pa_pdispatch_cb_t command_table[PA_COMMAND_MAX] = { [PA_COMMAND_GET_SINK_INFO] = command_get_info, [PA_COMMAND_GET_SOURCE_INFO] = command_get_info, [PA_COMMAND_GET_CLIENT_INFO] = command_get_info, + [PA_COMMAND_GET_CARD_INFO] = command_get_info, [PA_COMMAND_GET_MODULE_INFO] = command_get_info, [PA_COMMAND_GET_SINK_INPUT_INFO] = command_get_info, [PA_COMMAND_GET_SOURCE_OUTPUT_INFO] = command_get_info, @@ -291,6 +292,7 @@ static const pa_pdispatch_cb_t command_table[PA_COMMAND_MAX] = { [PA_COMMAND_GET_SOURCE_INFO_LIST] = command_get_info_list, [PA_COMMAND_GET_MODULE_INFO_LIST] = command_get_info_list, [PA_COMMAND_GET_CLIENT_INFO_LIST] = command_get_info_list, + [PA_COMMAND_GET_CARD_INFO_LIST] = command_get_info_list, [PA_COMMAND_GET_SINK_INPUT_INFO_LIST] = command_get_info_list, [PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST] = command_get_info_list, [PA_COMMAND_GET_SAMPLE_INFO_LIST] = command_get_info_list, @@ -2740,6 +2742,31 @@ static void client_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_c pa_tagstruct_put_proplist(t, client->proplist); } +static void card_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_card *card) { + void *state = NULL; + pa_card_profile *p; + + pa_assert(t); + pa_assert(card); + + pa_tagstruct_putu32(t, card->index); + pa_tagstruct_puts(t, card->name); + pa_tagstruct_putu32(t, card->module ? card->module->index : PA_INVALID_INDEX); + pa_tagstruct_puts(t, card->driver); + + pa_tagstruct_putu32(t, card->profiles ? pa_hashmap_size(card->profiles) : 0); + + if (card->profiles) { + while ((p = pa_hashmap_iterate(card->profiles, &state, NULL))) { + pa_tagstruct_puts(t, p->name); + pa_tagstruct_puts(t, p->description); + } + } + + pa_tagstruct_puts(t, card->active_profile ? card->active_profile->name : NULL); + pa_tagstruct_put_proplist(t, card->proplist); +} + static void module_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_module *module) { pa_assert(t); pa_assert(module); @@ -2839,6 +2866,8 @@ static void command_get_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, p pa_sink *sink = NULL; pa_source *source = NULL; pa_client *client = NULL; + pa_card *card = NULL; + pa_core *core = NULL; pa_module *module = NULL; pa_sink_input *si = NULL; pa_source_output *so = NULL; @@ -2851,6 +2880,7 @@ static void command_get_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, p if (pa_tagstruct_getu32(t, &idx) < 0 || (command != PA_COMMAND_GET_CLIENT_INFO && + command != PA_COMMAND_GET_CARD_INFO && command != PA_COMMAND_GET_MODULE_INFO && command != PA_COMMAND_GET_SINK_INPUT_INFO && command != PA_COMMAND_GET_SOURCE_OUTPUT_INFO && @@ -2876,6 +2906,11 @@ static void command_get_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, p source = pa_idxset_get_by_index(c->protocol->core->sources, idx); else source = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SOURCE); + } else if (command == PA_COMMAND_GET_CARD_INFO) { + if (idx != PA_INVALID_INDEX) + card = pa_idxset_get_by_index(c->protocol->core->cards, idx); + else + card = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_CARD); } else if (command == PA_COMMAND_GET_CLIENT_INFO) client = pa_idxset_get_by_index(c->protocol->core->clients, idx); else if (command == PA_COMMAND_GET_MODULE_INFO) @@ -2892,7 +2927,7 @@ static void command_get_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, p sce = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SAMPLE); } - if (!sink && !source && !client && !module && !si && !so && !sce) { + if (!sink && !source && !client && !card && !module && !si && !so && !sce) { pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY); return; } @@ -2904,6 +2939,8 @@ static void command_get_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, p source_fill_tagstruct(c, reply, source); else if (client) client_fill_tagstruct(c, reply, client); + else if (client) + card_fill_tagstruct(c, reply, card); else if (module) module_fill_tagstruct(c, reply, module); else if (si) @@ -2940,6 +2977,8 @@ static void command_get_info_list(pa_pdispatch *pd, uint32_t command, uint32_t t i = c->protocol->core->sources; else if (command == PA_COMMAND_GET_CLIENT_INFO_LIST) i = c->protocol->core->clients; + else if (command == PA_COMMAND_GET_CARD_INFO_LIST) + i = c->protocol->core->cards; else if (command == PA_COMMAND_GET_MODULE_INFO_LIST) i = c->protocol->core->modules; else if (command == PA_COMMAND_GET_SINK_INPUT_INFO_LIST) @@ -2959,6 +2998,8 @@ static void command_get_info_list(pa_pdispatch *pd, uint32_t command, uint32_t t source_fill_tagstruct(c, reply, p); else if (command == PA_COMMAND_GET_CLIENT_INFO_LIST) client_fill_tagstruct(c, reply, p); + else if (command == PA_COMMAND_GET_CARD_INFO_LIST) + card_fill_tagstruct(c, reply, p); else if (command == PA_COMMAND_GET_MODULE_INFO_LIST) module_fill_tagstruct(c, reply, p); else if (command == PA_COMMAND_GET_SINK_INPUT_INFO_LIST) diff --git a/src/utils/pactl.c b/src/utils/pactl.c index dbc9ba71..75b46d2d 100644 --- a/src/utils/pactl.c +++ b/src/utils/pactl.c @@ -384,6 +384,51 @@ static void get_client_info_callback(pa_context *c, const pa_client_info *i, int pa_xfree(pl); } +static void get_card_info_callback(pa_context *c, const pa_card_info *i, int is_last, void *userdata) { + char t[32]; + char *pl; + + if (is_last < 0) { + fprintf(stderr, _("Failed to get card information: %s\n"), pa_strerror(pa_context_errno(c))); + complete_action(); + return; + } + + if (is_last) { + complete_action(); + return; + } + + assert(i); + + if (nl) + printf("\n"); + nl = 1; + + snprintf(t, sizeof(t), "%u", i->owner_module); + + printf(_("Card #%u\n" + "\tName: %s\n" + "\tDriver: %s\n" + "\tOwner Module: %s\n" + "\tProperties:\n\t\t%s\n"), + i->index, + i->name, + pa_strnull(i->driver), + i->owner_module != PA_INVALID_INDEX ? t : _("n/a"), + pl = pa_proplist_to_string_sep(i->proplist, "\n\t\t")); + + if (i->profiles) { + pa_card_profile_info *p; + + printf(_("\tProfiles:\n")); + for (p = i->profiles; p->name; p++) + printf("\t\t%s: %s\n", p->name, p->description); + } + + pa_xfree(pl); +} + static void get_sink_input_info_callback(pa_context *c, const pa_sink_input_info *i, int is_last, void *userdata) { char t[32], k[32], s[PA_SAMPLE_SPEC_SNPRINT_MAX], cv[PA_CVOLUME_SNPRINT_MAX], cvdb[PA_SW_CVOLUME_SNPRINT_DB_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX]; char *pl; @@ -649,7 +694,7 @@ static void context_state_callback(pa_context *c, void *userdata) { break; case LIST: - actions = 7; + actions = 8; pa_operation_unref(pa_context_get_module_info_list(c, get_module_info_callback, NULL)); pa_operation_unref(pa_context_get_sink_info_list(c, get_sink_info_callback, NULL)); pa_operation_unref(pa_context_get_source_info_list(c, get_source_info_callback, NULL)); @@ -657,6 +702,7 @@ static void context_state_callback(pa_context *c, void *userdata) { pa_operation_unref(pa_context_get_source_output_info_list(c, get_source_output_info_callback, NULL)); pa_operation_unref(pa_context_get_client_info_list(c, get_client_info_callback, NULL)); pa_operation_unref(pa_context_get_sample_info_list(c, get_sample_info_callback, NULL)); + pa_operation_unref(pa_context_get_card_info_list(c, get_card_info_callback, NULL)); break; case MOVE_SINK_INPUT: -- cgit