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pulseaudio/polyp/polyplib-introspect.c
Lennart Poettering 57e473b61c add support for automatic termination of the daemon after the last client quit 
remove all gcc warnings
add boolean types for tagstruct and modargs


git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@178 fefdeb5f-60dc-0310-8127-8f9354f1896f
2004-09-04 00:27:36 +00:00

674 lines
25 KiB
C
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/* $Id$ */
/***
This file is part of polypaudio.
polypaudio is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
polypaudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with polypaudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <assert.h>
#include "polyplib-introspect.h"
#include "polyplib-context.h"
#include "polyplib-internal.h"
#include "pstream-util.h"
/*** Statistics ***/
static void context_stat_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
struct pa_operation *o = userdata;
struct pa_stat_info i, *p = &i;
assert(pd && o && o->context && o->ref >= 1);
if (command != PA_COMMAND_REPLY) {
if (pa_context_handle_error(o->context, command, t) < 0)
goto finish;
p = NULL;
} else if (pa_tagstruct_getu32(t, &i.memblock_total) < 0 ||
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_eof(t)) {
pa_context_fail(o->context, PA_ERROR_PROTOCOL);
goto finish;
}
if (o->callback) {
void (*cb)(struct pa_context *s, const struct pa_stat_info*i, void *userdata) = o->callback;
cb(o->context, p, o->userdata);
}
finish:
pa_operation_done(o);
pa_operation_unref(o);
}
struct pa_operation* pa_context_stat(struct pa_context *c, void (*cb)(struct pa_context *c, const struct pa_stat_info*i, void *userdata), void *userdata) {
return pa_context_send_simple_command(c, PA_COMMAND_STAT, context_stat_callback, cb, userdata);
}
/*** Server Info ***/
static void context_get_server_info_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
struct pa_operation *o = userdata;
struct pa_server_info i, *p = &i;
assert(pd && o && o->context && o->ref >= 1);
if (command != PA_COMMAND_REPLY) {
if (pa_context_handle_error(o->context, command, t) < 0)
goto finish;
p = NULL;
} else if (pa_tagstruct_gets(t, &i.server_name) < 0 ||
pa_tagstruct_gets(t, &i.server_version) < 0 ||
pa_tagstruct_gets(t, &i.user_name) < 0 ||
pa_tagstruct_gets(t, &i.host_name) < 0 ||
pa_tagstruct_get_sample_spec(t, &i.sample_spec) < 0 ||
!pa_tagstruct_eof(t)) {
pa_context_fail(o->context, PA_ERROR_PROTOCOL);
goto finish;
}
if (o->callback) {
void (*cb)(struct pa_context *s, const struct pa_server_info*i, void *userdata) = o->callback;
cb(o->context, p, o->userdata);
}
finish:
pa_operation_done(o);
pa_operation_unref(o);
}
struct pa_operation* pa_context_get_server_info(struct pa_context *c, void (*cb)(struct pa_context *c, const struct pa_server_info*i, void *userdata), void *userdata) {
return pa_context_send_simple_command(c, PA_COMMAND_GET_SERVER_INFO, context_get_server_info_callback, cb, userdata);
}
/*** Sink Info ***/
static void context_get_sink_info_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
struct pa_operation *o = userdata;
int eof = 1;
assert(pd && o && o->context && o->ref >= 1);
if (command != PA_COMMAND_REPLY) {
if (pa_context_handle_error(o->context, command, t) < 0)
goto finish;
eof = -1;
} else {
while (!pa_tagstruct_eof(t)) {
struct pa_sink_info i;
if (pa_tagstruct_getu32(t, &i.index) < 0 ||
pa_tagstruct_gets(t, &i.name) < 0 ||
pa_tagstruct_gets(t, &i.description) < 0 ||
pa_tagstruct_get_sample_spec(t, &i.sample_spec) < 0 ||
pa_tagstruct_getu32(t, &i.owner_module) < 0 ||
pa_tagstruct_getu32(t, &i.volume) < 0 ||
pa_tagstruct_getu32(t, &i.monitor_source) < 0 ||
pa_tagstruct_gets(t, &i.monitor_source_name) < 0 ||
pa_tagstruct_getu32(t, &i.latency) < 0) {
pa_context_fail(o->context, PA_ERROR_PROTOCOL);
goto finish;
}
if (o->callback) {
void (*cb)(struct pa_context *s, const struct pa_sink_info*i, int eof, void *userdata) = o->callback;
cb(o->context, &i, 0, o->userdata);
}
}
}
if (o->callback) {
void (*cb)(struct pa_context *s, const struct pa_sink_info*i, int eof, void *userdata) = o->callback;
cb(o->context, NULL, eof, o->userdata);
}
finish:
pa_operation_done(o);
pa_operation_unref(o);
}
struct pa_operation* pa_context_get_sink_info_list(struct pa_context *c, void (*cb)(struct pa_context *c, const struct pa_sink_info *i, int is_last, void *userdata), void *userdata) {
return pa_context_send_simple_command(c, PA_COMMAND_GET_SINK_INFO_LIST, context_get_sink_info_callback, cb, userdata);
}
struct pa_operation* 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;
struct pa_operation *o;
uint32_t tag;
assert(c && cb);
o = pa_operation_new(c, NULL);
o->callback = cb;
o->userdata = userdata;
t = pa_tagstruct_new(NULL, 0);
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, o);
return pa_operation_ref(o);
}
/*** Source info ***/
static void context_get_source_info_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
struct pa_operation *o = userdata;
int eof = 1;
assert(pd && o && o->context && o->ref >= 1);
if (command != PA_COMMAND_REPLY) {
if (pa_context_handle_error(o->context, command, t) < 0)
goto finish;
eof = -1;
} else {
while (!pa_tagstruct_eof(t)) {
struct pa_source_info i;
if (pa_tagstruct_getu32(t, &i.index) < 0 ||
pa_tagstruct_gets(t, &i.name) < 0 ||
pa_tagstruct_gets(t, &i.description) < 0 ||
pa_tagstruct_get_sample_spec(t, &i.sample_spec) < 0 ||
pa_tagstruct_getu32(t, &i.owner_module) < 0 ||
pa_tagstruct_getu32(t, &i.monitor_of_sink) < 0 ||
pa_tagstruct_gets(t, &i.monitor_of_sink_name) < 0) {
pa_context_fail(o->context, PA_ERROR_PROTOCOL);
goto finish;
}
if (o->callback) {
void (*cb)(struct pa_context *s, const struct pa_source_info*i, int eof, void *userdata) = o->callback;
cb(o->context, &i, 0, o->userdata);
}
}
}
if (o->callback) {
void (*cb)(struct pa_context *s, const struct pa_source_info*i, int eof, void *userdata) = o->callback;
cb(o->context, NULL, eof, o->userdata);
}
finish:
pa_operation_done(o);
pa_operation_unref(o);
}
struct pa_operation* pa_context_get_source_info_list(struct pa_context *c, void (*cb)(struct pa_context *c, const struct pa_source_info *i, int is_last, void *userdata), void *userdata) {
return pa_context_send_simple_command(c, PA_COMMAND_GET_SOURCE_INFO_LIST, context_get_source_info_callback, cb, userdata);
}
struct pa_operation* 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;
struct pa_operation *o;
uint32_t tag;
assert(c && cb);
o = pa_operation_new(c, NULL);
o->callback = cb;
o->userdata = userdata;
t = pa_tagstruct_new(NULL, 0);
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, o);
return pa_operation_ref(o);
}
/*** Client info ***/
static void context_get_client_info_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
struct pa_operation *o = userdata;
int eof = 1;
assert(pd && o && o->context && o->ref >= 1);
if (command != PA_COMMAND_REPLY) {
if (pa_context_handle_error(o->context, command, t) < 0)
goto finish;
eof = -1;
} else {
while (!pa_tagstruct_eof(t)) {
struct pa_client_info i;
if (pa_tagstruct_getu32(t, &i.index) < 0 ||
pa_tagstruct_gets(t, &i.name) < 0 ||
pa_tagstruct_gets(t, &i.protocol_name) < 0 ||
pa_tagstruct_getu32(t, &i.owner_module) < 0) {
pa_context_fail(o->context, PA_ERROR_PROTOCOL);
goto finish;
}
if (o->callback) {
void (*cb)(struct pa_context *s, const struct pa_client_info*i, int eof, void *userdata) = o->callback;
cb(o->context, &i, 0, o->userdata);
}
}
}
if (o->callback) {
void (*cb)(struct pa_context *s, const struct pa_client_info*i, int eof, void *userdata) = o->callback;
cb(o->context, NULL, eof, o->userdata);
}
finish:
pa_operation_done(o);
pa_operation_unref(o);
}
struct pa_operation* pa_context_get_client_info(struct pa_context *c, uint32_t index, void (*cb)(struct pa_context *c, const struct pa_client_info*i, int is_last, void *userdata), void *userdata) {
struct pa_tagstruct *t;
struct pa_operation *o;
uint32_t tag;
assert(c && cb);
o = pa_operation_new(c, NULL);
o->callback = cb;
o->userdata = userdata;
t = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(t, PA_COMMAND_GET_CLIENT_INFO);
pa_tagstruct_putu32(t, tag = c->ctag++);
pa_tagstruct_putu32(t, index);
pa_pstream_send_tagstruct(c->pstream, t);
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, context_get_client_info_callback, o);
return pa_operation_ref(o);
}
struct pa_operation* pa_context_get_client_info_list(struct pa_context *c, void (*cb)(struct pa_context *c, const struct pa_client_info*i, int is_last, void *userdata), void *userdata) {
return pa_context_send_simple_command(c, PA_COMMAND_GET_CLIENT_INFO_LIST, context_get_client_info_callback, cb, userdata);
}
/*** Module info ***/
static void context_get_module_info_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
struct pa_operation *o = userdata;
int eof = 1;
assert(pd && o && o->context && o->ref >= 1);
if (command != PA_COMMAND_REPLY) {
if (pa_context_handle_error(o->context, command, t) < 0)
goto finish;
eof = -1;
} else {
while (!pa_tagstruct_eof(t)) {
struct pa_module_info i;
if (pa_tagstruct_getu32(t, &i.index) < 0 ||
pa_tagstruct_gets(t, &i.name) < 0 ||
pa_tagstruct_gets(t, &i.argument) < 0 ||
pa_tagstruct_getu32(t, &i.n_used) < 0 ||
pa_tagstruct_get_boolean(t, &i.auto_unload) < 0) {
pa_context_fail(o->context, PA_ERROR_PROTOCOL);
goto finish;
}
if (o->callback) {
void (*cb)(struct pa_context *s, const struct pa_module_info*i, int eof, void *userdata) = o->callback;
cb(o->context, &i, 0, o->userdata);
}
}
}
if (o->callback) {
void (*cb)(struct pa_context *s, const struct pa_module_info*i, int eof, void *userdata) = o->callback;
cb(o->context, NULL, eof, o->userdata);
}
finish:
pa_operation_done(o);
pa_operation_unref(o);
}
struct pa_operation* pa_context_get_module_info(struct pa_context *c, uint32_t index, void (*cb)(struct pa_context *c, const struct pa_module_info*i, int is_last, void *userdata), void *userdata) {
struct pa_tagstruct *t;
struct pa_operation *o;
uint32_t tag;
assert(c && cb);
o = pa_operation_new(c, NULL);
o->callback = cb;
o->userdata = userdata;
t = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(t, PA_COMMAND_GET_MODULE_INFO);
pa_tagstruct_putu32(t, tag = c->ctag++);
pa_tagstruct_putu32(t, index);
pa_pstream_send_tagstruct(c->pstream, t);
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, context_get_module_info_callback, o);
return pa_operation_ref(o);
}
struct pa_operation* pa_context_get_module_info_list(struct pa_context *c, void (*cb)(struct pa_context *c, const struct pa_module_info*i, int is_last, void *userdata), void *userdata) {
return pa_context_send_simple_command(c, PA_COMMAND_GET_MODULE_INFO_LIST, context_get_module_info_callback, cb, userdata);
}
/*** Sink input info ***/
static void context_get_sink_input_info_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
struct pa_operation *o = userdata;
int eof = 1;
assert(pd && o && o->context && o->ref >= 1);
if (command != PA_COMMAND_REPLY) {
if (pa_context_handle_error(o->context, command, t) < 0)
goto finish;
eof = -1;
} else {
while (!pa_tagstruct_eof(t)) {
struct pa_sink_input_info 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_getu32(t, &i.client) < 0 ||
pa_tagstruct_getu32(t, &i.sink) < 0 ||
pa_tagstruct_get_sample_spec(t, &i.sample_spec) < 0 ||
pa_tagstruct_getu32(t, &i.volume) < 0 ||
pa_tagstruct_getu32(t, &i.buffer_usec) < 0 ||
pa_tagstruct_getu32(t, &i.sink_usec) < 0) {
pa_context_fail(o->context, PA_ERROR_PROTOCOL);
goto finish;
}
if (o->callback) {
void (*cb)(struct pa_context *s, const struct pa_sink_input_info*i, int eof, void *userdata) = o->callback;
cb(o->context, &i, 0, o->userdata);
}
}
}
if (o->callback) {
void (*cb)(struct pa_context *s, const struct pa_sink_input_info*i, int eof, void *userdata) = o->callback;
cb(o->context, NULL, eof, o->userdata);
}
finish:
pa_operation_done(o);
pa_operation_unref(o);
}
struct pa_operation* pa_context_get_sink_input_info(struct pa_context *c, uint32_t index, void (*cb)(struct pa_context *c, const struct pa_sink_input_info*i, int is_last, void *userdata), void *userdata) {
struct pa_tagstruct *t;
struct pa_operation *o;
uint32_t tag;
assert(c && cb);
o = pa_operation_new(c, NULL);
o->callback = cb;
o->userdata = userdata;
t = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(t, PA_COMMAND_GET_SINK_INPUT_INFO);
pa_tagstruct_putu32(t, tag = c->ctag++);
pa_tagstruct_putu32(t, index);
pa_pstream_send_tagstruct(c->pstream, t);
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, context_get_sink_input_info_callback, o);
return pa_operation_ref(o);
}
struct pa_operation* pa_context_get_sink_input_info_list(struct pa_context *c, void (*cb)(struct pa_context *c, const struct pa_sink_input_info*i, int is_last, void *userdata), void *userdata) {
return pa_context_send_simple_command(c, PA_COMMAND_GET_SINK_INPUT_INFO_LIST, context_get_sink_input_info_callback, cb, userdata);
}
/*** Source output info ***/
static void context_get_source_output_info_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
struct pa_operation *o = userdata;
int eof = 1;
assert(pd && o && o->context && o->ref >= 1);
if (command != PA_COMMAND_REPLY) {
if (pa_context_handle_error(o->context, command, t) < 0)
goto finish;
eof = -1;
} else {
while (!pa_tagstruct_eof(t)) {
struct pa_source_output_info 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_getu32(t, &i.client) < 0 ||
pa_tagstruct_getu32(t, &i.source) < 0 ||
pa_tagstruct_get_sample_spec(t, &i.sample_spec) < 0) {
pa_context_fail(o->context, PA_ERROR_PROTOCOL);
goto finish;
}
if (o->callback) {
void (*cb)(struct pa_context *s, const struct pa_source_output_info*i, int eof, void *userdata) = o->callback;
cb(o->context, &i, 0, o->userdata);
}
}
}
if (o->callback) {
void (*cb)(struct pa_context *s, const struct pa_source_output_info*i, int eof, void *userdata) = o->callback;
cb(o->context, NULL, eof, o->userdata);
}
finish:
pa_operation_done(o);
pa_operation_unref(o);
}
struct pa_operation* pa_context_get_source_output_info(struct pa_context *c, uint32_t index, void (*cb)(struct pa_context *c, const struct pa_source_output_info*i, int is_last, void *userdata), void *userdata) {
struct pa_tagstruct *t;
struct pa_operation *o;
uint32_t tag;
assert(c && cb);
o = pa_operation_new(c, NULL);
o->callback = cb;
o->userdata = userdata;
t = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(t, PA_COMMAND_GET_SOURCE_OUTPUT_INFO);
pa_tagstruct_putu32(t, tag = c->ctag++);
pa_tagstruct_putu32(t, index);
pa_pstream_send_tagstruct(c->pstream, t);
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, context_get_source_output_info_callback, o);
return pa_operation_ref(o);
}
struct pa_operation* pa_context_get_source_output_info_list(struct pa_context *c, void (*cb)(struct pa_context *c, const struct pa_source_output_info*i, int is_last, void *userdata), void *userdata) {
return pa_context_send_simple_command(c, PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST, context_get_source_output_info_callback, cb, userdata);
}
/*** Volume manipulation ***/
struct pa_operation* pa_context_set_sink_volume_by_index(struct pa_context *c, uint32_t index, pa_volume_t volume, void (*cb)(struct pa_context *c, int success, void *userdata), void *userdata) {
struct pa_operation *o;
struct pa_tagstruct *t;
uint32_t tag;
assert(c && index != PA_INVALID_INDEX);
o = pa_operation_new(c, NULL);
o->callback = cb;
o->userdata = userdata;
t = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(t, PA_COMMAND_SET_SINK_VOLUME);
pa_tagstruct_putu32(t, tag = c->ctag++);
pa_tagstruct_putu32(t, index);
pa_tagstruct_puts(t, "");
pa_tagstruct_putu32(t, volume);
pa_pstream_send_tagstruct(c->pstream, t);
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, o);
return pa_operation_ref(o);
}
struct pa_operation* pa_context_set_sink_volume_by_name(struct pa_context *c, const char *name, pa_volume_t volume, void (*cb)(struct pa_context *c, int success, void *userdata), void *userdata) {
struct pa_operation *o;
struct pa_tagstruct *t;
uint32_t tag;
assert(c && name);
o = pa_operation_new(c, NULL);
o->callback = cb;
o->userdata = userdata;
t = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(t, PA_COMMAND_SET_SINK_VOLUME);
pa_tagstruct_putu32(t, tag = c->ctag++);
pa_tagstruct_putu32(t, PA_INVALID_INDEX);
pa_tagstruct_puts(t, name);
pa_tagstruct_putu32(t, volume);
pa_pstream_send_tagstruct(c->pstream, t);
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, o);
return pa_operation_ref(o);
}
struct pa_operation* pa_context_set_sink_input_volume(struct pa_context *c, uint32_t index, pa_volume_t volume, void (*cb)(struct pa_context *c, int success, void *userdata), void *userdata) {
struct pa_operation *o;
struct pa_tagstruct *t;
uint32_t tag;
assert(c && index != PA_INVALID_INDEX);
o = pa_operation_new(c, NULL);
o->callback = cb;
o->userdata = userdata;
t = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(t, PA_COMMAND_SET_SINK_INPUT_VOLUME);
pa_tagstruct_putu32(t, tag = c->ctag++);
pa_tagstruct_putu32(t, index);
pa_tagstruct_putu32(t, volume);
pa_pstream_send_tagstruct(c->pstream, t);
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, o);
return pa_operation_ref(o);
}
/** Sample Cache **/
static void context_get_sample_info_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
struct pa_operation *o = userdata;
int eof = 1;
assert(pd && o && o->context && o->ref >= 1);
if (command != PA_COMMAND_REPLY) {
if (pa_context_handle_error(o->context, command, t) < 0)
goto finish;
eof = -1;
} else {
while (!pa_tagstruct_eof(t)) {
struct pa_sample_info i;
if (pa_tagstruct_getu32(t, &i.index) < 0 ||
pa_tagstruct_gets(t, &i.name) < 0 ||
pa_tagstruct_getu32(t, &i.volume) < 0 ||
pa_tagstruct_getu32(t, &i.duration) < 0 ||
pa_tagstruct_get_sample_spec(t, &i.sample_spec) < 0 ||
pa_tagstruct_getu32(t, &i.bytes) < 0) {
pa_context_fail(o->context, PA_ERROR_PROTOCOL);
goto finish;
}
if (o->callback) {
void (*cb)(struct pa_context *s, const struct pa_sample_info*i, int eof, void *userdata) = o->callback;
cb(o->context, &i, 0, o->userdata);
}
}
}
if (o->callback) {
void (*cb)(struct pa_context *s, const struct pa_sample_info*i, int eof, void *userdata) = o->callback;
cb(o->context, NULL, eof, o->userdata);
}
finish:
pa_operation_done(o);
pa_operation_unref(o);
}
struct pa_operation* pa_context_get_sample_info_by_name(struct pa_context *c, const char *name, void (*cb)(struct pa_context *c, const struct pa_sample_info *i, int is_last, void *userdata), void *userdata) {
struct pa_tagstruct *t;
struct pa_operation *o;
uint32_t tag;
assert(c && cb && name);
o = pa_operation_new(c, NULL);
o->callback = cb;
o->userdata = userdata;
t = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(t, PA_COMMAND_GET_SAMPLE_INFO);
pa_tagstruct_putu32(t, tag = c->ctag++);
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_sample_info_callback, o);
return pa_operation_ref(o);
}
struct pa_operation* pa_context_get_sample_info_by_index(struct pa_context *c, uint32_t index, void (*cb)(struct pa_context *c, const struct pa_sample_info *i, int is_last, void *userdata), void *userdata) {
struct pa_tagstruct *t;
struct pa_operation *o;
uint32_t tag;
assert(c && cb);
o = pa_operation_new(c, NULL);
o->callback = cb;
o->userdata = userdata;
t = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(t, PA_COMMAND_GET_SAMPLE_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_sample_info_callback, o);
return pa_operation_ref(o);
}
struct pa_operation* pa_context_get_sample_info_list(struct pa_context *c, void (*cb)(struct pa_context *c, const struct pa_sample_info *i, int is_last, void *userdata), void *userdata) {
return pa_context_send_simple_command(c, PA_COMMAND_GET_SAMPLE_INFO_LIST, context_get_sample_info_callback, cb, userdata);
}
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