mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-02 09:01:46 -05:00
5effc83479
FSF addresses used in PA sources are no longer valid and rpmlint generates numerous warnings during packaging because of this. This patch changes all FSF addresses to FSF web page according to the GPL how-to: https://www.gnu.org/licenses/gpl-howto.en.html Done automatically by sed-ing through sources.
373 lines
11 KiB
C
373 lines
11 KiB
C
/***
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This file is part of PulseAudio.
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Copyright 2008 Lennart Poettering
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Copyright 2011 Colin Guthrie
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2.1 of the License,
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or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
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***/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <pulse/context.h>
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#include <pulse/gccmacro.h>
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#include <pulse/xmalloc.h>
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#include <pulse/fork-detect.h>
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#include <pulse/operation.h>
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#include <pulse/format.h>
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#include <pulsecore/macro.h>
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#include <pulsecore/pstream-util.h>
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#include "internal.h"
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#include "ext-device-restore.h"
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/* Protocol extension commands */
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enum {
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SUBCOMMAND_TEST,
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SUBCOMMAND_SUBSCRIBE,
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SUBCOMMAND_EVENT,
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SUBCOMMAND_READ_FORMATS_ALL,
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SUBCOMMAND_READ_FORMATS,
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SUBCOMMAND_SAVE_FORMATS
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};
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static void ext_device_restore_test_cb(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
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pa_operation *o = userdata;
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uint32_t version = PA_INVALID_INDEX;
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pa_assert(pd);
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pa_assert(o);
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pa_assert(PA_REFCNT_VALUE(o) >= 1);
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if (!o->context)
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goto finish;
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if (command != PA_COMMAND_REPLY) {
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if (pa_context_handle_error(o->context, command, t, false) < 0)
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goto finish;
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} else if (pa_tagstruct_getu32(t, &version) < 0 ||
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!pa_tagstruct_eof(t)) {
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pa_context_fail(o->context, PA_ERR_PROTOCOL);
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goto finish;
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}
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if (o->callback) {
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pa_ext_device_restore_test_cb_t cb = (pa_ext_device_restore_test_cb_t) o->callback;
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cb(o->context, version, o->userdata);
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}
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finish:
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pa_operation_done(o);
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pa_operation_unref(o);
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}
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pa_operation *pa_ext_device_restore_test(
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pa_context *c,
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pa_ext_device_restore_test_cb_t cb,
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void *userdata) {
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uint32_t tag;
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pa_operation *o;
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pa_tagstruct *t;
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pa_assert(c);
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pa_assert(PA_REFCNT_VALUE(c) >= 1);
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PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
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PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
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PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED);
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o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
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t = pa_tagstruct_command(c, PA_COMMAND_EXTENSION, &tag);
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pa_tagstruct_putu32(t, PA_INVALID_INDEX);
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pa_tagstruct_puts(t, "module-device-restore");
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pa_tagstruct_putu32(t, SUBCOMMAND_TEST);
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pa_pstream_send_tagstruct(c->pstream, t);
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pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, ext_device_restore_test_cb, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
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return o;
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}
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pa_operation *pa_ext_device_restore_subscribe(
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pa_context *c,
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int enable,
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pa_context_success_cb_t cb,
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void *userdata) {
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uint32_t tag;
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pa_operation *o;
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pa_tagstruct *t;
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pa_assert(c);
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pa_assert(PA_REFCNT_VALUE(c) >= 1);
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PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
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PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
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PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED);
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o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
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t = pa_tagstruct_command(c, PA_COMMAND_EXTENSION, &tag);
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pa_tagstruct_putu32(t, PA_INVALID_INDEX);
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pa_tagstruct_puts(t, "module-device-restore");
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pa_tagstruct_putu32(t, SUBCOMMAND_SUBSCRIBE);
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pa_tagstruct_put_boolean(t, enable);
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pa_pstream_send_tagstruct(c->pstream, t);
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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);
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return o;
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}
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void pa_ext_device_restore_set_subscribe_cb(
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pa_context *c,
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pa_ext_device_restore_subscribe_cb_t cb,
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void *userdata) {
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pa_assert(c);
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pa_assert(PA_REFCNT_VALUE(c) >= 1);
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if (pa_detect_fork())
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return;
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c->ext_device_restore.callback = cb;
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c->ext_device_restore.userdata = userdata;
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}
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static void ext_device_restore_read_device_formats_cb(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
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pa_operation *o = userdata;
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int eol = 1;
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pa_assert(pd);
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pa_assert(o);
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pa_assert(PA_REFCNT_VALUE(o) >= 1);
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if (!o->context)
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goto finish;
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if (command != PA_COMMAND_REPLY) {
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if (pa_context_handle_error(o->context, command, t, false) < 0)
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goto finish;
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eol = -1;
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} else {
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uint8_t j;
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while (!pa_tagstruct_eof(t)) {
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pa_ext_device_restore_info i;
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pa_zero(i);
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if (pa_tagstruct_getu32(t, &i.type) < 0 ||
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pa_tagstruct_getu32(t, &i.index) < 0 ||
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pa_tagstruct_getu8(t, &i.n_formats) < 0) {
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pa_context_fail(o->context, PA_ERR_PROTOCOL);
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goto finish;
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}
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if (PA_DEVICE_TYPE_SINK != i.type && PA_DEVICE_TYPE_SOURCE != i.type) {
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pa_context_fail(o->context, PA_ERR_PROTOCOL);
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goto finish;
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}
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if (i.index == PA_INVALID_INDEX) {
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pa_context_fail(o->context, PA_ERR_PROTOCOL);
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goto finish;
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}
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if (i.n_formats > 0) {
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i.formats = pa_xnew0(pa_format_info*, i.n_formats);
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for (j = 0; j < i.n_formats; j++) {
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pa_format_info *f = i.formats[j] = pa_format_info_new();
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if (pa_tagstruct_get_format_info(t, f) < 0) {
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uint8_t k;
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pa_context_fail(o->context, PA_ERR_PROTOCOL);
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for (k = 0; k < j+1; k++)
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pa_format_info_free(i.formats[k]);
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pa_xfree(i.formats);
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goto finish;
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}
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}
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}
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if (o->callback) {
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pa_ext_device_restore_read_device_formats_cb_t cb = (pa_ext_device_restore_read_device_formats_cb_t) o->callback;
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cb(o->context, &i, 0, o->userdata);
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}
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for (j = 0; j < i.n_formats; j++)
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pa_format_info_free(i.formats[j]);
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pa_xfree(i.formats);
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}
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}
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if (o->callback) {
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pa_ext_device_restore_read_device_formats_cb_t cb = (pa_ext_device_restore_read_device_formats_cb_t) o->callback;
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cb(o->context, NULL, eol, o->userdata);
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}
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finish:
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pa_operation_done(o);
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pa_operation_unref(o);
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}
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pa_operation *pa_ext_device_restore_read_formats_all(
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pa_context *c,
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pa_ext_device_restore_read_device_formats_cb_t cb,
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void *userdata) {
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uint32_t tag;
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pa_operation *o;
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pa_tagstruct *t;
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pa_assert(c);
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pa_assert(PA_REFCNT_VALUE(c) >= 1);
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PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
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PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
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PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED);
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o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
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t = pa_tagstruct_command(c, PA_COMMAND_EXTENSION, &tag);
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pa_tagstruct_putu32(t, PA_INVALID_INDEX);
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pa_tagstruct_puts(t, "module-device-restore");
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pa_tagstruct_putu32(t, SUBCOMMAND_READ_FORMATS_ALL);
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pa_pstream_send_tagstruct(c->pstream, t);
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pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, ext_device_restore_read_device_formats_cb, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
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return o;
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}
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pa_operation *pa_ext_device_restore_read_formats(
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pa_context *c,
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pa_device_type_t type,
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uint32_t idx,
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pa_ext_device_restore_read_device_formats_cb_t cb,
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void *userdata) {
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uint32_t tag;
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pa_operation *o;
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pa_tagstruct *t;
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pa_assert(c);
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pa_assert(PA_REFCNT_VALUE(c) >= 1);
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pa_assert(idx != PA_INVALID_INDEX);
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PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
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PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
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PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED);
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o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
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t = pa_tagstruct_command(c, PA_COMMAND_EXTENSION, &tag);
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pa_tagstruct_putu32(t, PA_INVALID_INDEX);
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pa_tagstruct_puts(t, "module-device-restore");
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pa_tagstruct_putu32(t, SUBCOMMAND_READ_FORMATS);
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pa_tagstruct_putu32(t, type);
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pa_tagstruct_putu32(t, idx);
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pa_pstream_send_tagstruct(c->pstream, t);
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pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, ext_device_restore_read_device_formats_cb, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
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return o;
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}
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pa_operation *pa_ext_device_restore_save_formats(
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pa_context *c,
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pa_device_type_t type,
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uint32_t idx,
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uint8_t n_formats,
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pa_format_info **formats,
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pa_context_success_cb_t cb,
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void *userdata) {
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uint32_t tag;
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pa_operation *o;
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pa_tagstruct *t;
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uint8_t j;
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pa_assert(c);
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pa_assert(PA_REFCNT_VALUE(c) >= 1);
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pa_assert(idx != PA_INVALID_INDEX);
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pa_assert(n_formats > 0);
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pa_assert(formats && *formats);
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PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
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PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
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PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED);
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o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
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t = pa_tagstruct_command(c, PA_COMMAND_EXTENSION, &tag);
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pa_tagstruct_putu32(t, PA_INVALID_INDEX);
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pa_tagstruct_puts(t, "module-device-restore");
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pa_tagstruct_putu32(t, SUBCOMMAND_SAVE_FORMATS);
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pa_tagstruct_putu32(t, type);
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pa_tagstruct_putu32(t, idx);
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pa_tagstruct_putu8(t, n_formats);
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for (j = 0; j < n_formats; j++)
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pa_tagstruct_put_format_info(t, formats[j]);
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pa_pstream_send_tagstruct(c->pstream, t);
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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);
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return o;
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}
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/* Command function defined in internal.h */
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void pa_ext_device_restore_command(pa_context *c, uint32_t tag, pa_tagstruct *t) {
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uint32_t subcommand;
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pa_device_type_t type;
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uint32_t idx;
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pa_assert(c);
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pa_assert(PA_REFCNT_VALUE(c) >= 1);
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pa_assert(t);
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if (pa_tagstruct_getu32(t, &subcommand) < 0 ||
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pa_tagstruct_getu32(t, &type) < 0 ||
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pa_tagstruct_getu32(t, &idx) < 0 ||
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!pa_tagstruct_eof(t)) {
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pa_context_fail(c, PA_ERR_PROTOCOL);
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return;
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}
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if (subcommand != SUBCOMMAND_EVENT) {
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pa_context_fail(c, PA_ERR_PROTOCOL);
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return;
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}
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if (PA_DEVICE_TYPE_SINK != type && PA_DEVICE_TYPE_SOURCE != type) {
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pa_context_fail(c, PA_ERR_PROTOCOL);
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return;
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}
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if (idx == PA_INVALID_INDEX) {
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pa_context_fail(c, PA_ERR_PROTOCOL);
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return;
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}
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if (c->ext_device_restore.callback)
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c->ext_device_restore.callback(c, type, idx, c->ext_device_restore.userdata);
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}
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