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https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
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5c2d28f6df
If the given proplist is NULL, the function creates a new (empty) proplist. That caused a compiler warning after the constification, which is why the new proplist is now created using a separate variable.
272 lines
8.7 KiB
C
272 lines
8.7 KiB
C
/***
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This file is part of PulseAudio.
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Copyright 2004-2006 Lennart Poettering
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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 <stdlib.h>
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#include <stdio.h>
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#include <pulse/utf8.h>
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#include <pulse/fork-detect.h>
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#include <pulsecore/pstream-util.h>
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#include <pulsecore/macro.h>
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#include <pulsecore/proplist-util.h>
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#include "internal.h"
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#include "scache.h"
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int pa_stream_connect_upload(pa_stream *s, size_t length) {
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pa_tagstruct *t;
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uint32_t tag;
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const char *name;
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pa_assert(s);
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pa_assert(PA_REFCNT_VALUE(s) >= 1);
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PA_CHECK_VALIDITY(s->context, !pa_detect_fork(), PA_ERR_FORKED);
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PA_CHECK_VALIDITY(s->context, s->state == PA_STREAM_UNCONNECTED, PA_ERR_BADSTATE);
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PA_CHECK_VALIDITY(s->context, length > 0, PA_ERR_INVALID);
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PA_CHECK_VALIDITY(s->context, length == (size_t) (uint32_t) length, PA_ERR_INVALID);
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PA_CHECK_VALIDITY(s->context, s->context->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
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if (!(name = pa_proplist_gets(s->proplist, PA_PROP_EVENT_ID)))
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name = pa_proplist_gets(s->proplist, PA_PROP_MEDIA_NAME);
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PA_CHECK_VALIDITY(s->context, name && *name && pa_utf8_valid(name), PA_ERR_INVALID);
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pa_stream_ref(s);
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s->direction = PA_STREAM_UPLOAD;
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s->flags = 0;
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t = pa_tagstruct_command(s->context, PA_COMMAND_CREATE_UPLOAD_STREAM, &tag);
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pa_tagstruct_puts(t, name);
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pa_tagstruct_put_sample_spec(t, &s->sample_spec);
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pa_tagstruct_put_channel_map(t, &s->channel_map);
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pa_tagstruct_putu32(t, (uint32_t) length);
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if (s->context->version >= 13)
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pa_tagstruct_put_proplist(t, s->proplist);
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pa_pstream_send_tagstruct(s->context->pstream, t);
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pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, pa_create_stream_callback, s, NULL);
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pa_stream_set_state(s, PA_STREAM_CREATING);
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pa_stream_unref(s);
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return 0;
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}
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int pa_stream_finish_upload(pa_stream *s) {
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pa_tagstruct *t;
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uint32_t tag;
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pa_assert(s);
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pa_assert(PA_REFCNT_VALUE(s) >= 1);
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PA_CHECK_VALIDITY(s->context, !pa_detect_fork(), PA_ERR_FORKED);
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PA_CHECK_VALIDITY(s->context, s->channel_valid, PA_ERR_BADSTATE);
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PA_CHECK_VALIDITY(s->context, s->context->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
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pa_stream_ref(s);
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t = pa_tagstruct_command(s->context, PA_COMMAND_FINISH_UPLOAD_STREAM, &tag);
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pa_tagstruct_putu32(t, s->channel);
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pa_pstream_send_tagstruct(s->context->pstream, t);
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pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, pa_stream_disconnect_callback, s, NULL);
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pa_stream_unref(s);
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return 0;
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}
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static void play_sample_ack_callback(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 success = 1;
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uint32_t idx = 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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success = 0;
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} else if ((o->context->version >= 13 && pa_tagstruct_getu32(t, &idx) < 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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} else if (o->context->version >= 13 && idx == PA_INVALID_INDEX)
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success = 0;
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if (o->callback) {
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pa_context_success_cb_t cb = (pa_context_success_cb_t) o->callback;
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cb(o->context, success, 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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static void play_sample_with_proplist_ack_callback(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 idx;
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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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idx = PA_INVALID_INDEX;
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} else if (pa_tagstruct_getu32(t, &idx) < 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_context_play_sample_cb_t cb = (pa_context_play_sample_cb_t) o->callback;
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cb(o->context, idx, 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_context_play_sample(pa_context *c, const char *name, const char *dev, pa_volume_t volume, pa_context_success_cb_t cb, void *userdata) {
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pa_operation *o;
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pa_tagstruct *t;
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uint32_t tag;
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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, name && *name, PA_ERR_INVALID);
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PA_CHECK_VALIDITY_RETURN_NULL(c, !dev || *dev, PA_ERR_INVALID);
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o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
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if (!dev)
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dev = c->conf->default_sink;
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t = pa_tagstruct_command(c, PA_COMMAND_PLAY_SAMPLE, &tag);
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pa_tagstruct_putu32(t, PA_INVALID_INDEX);
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pa_tagstruct_puts(t, dev);
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if (!PA_VOLUME_IS_VALID(volume) && c->version < 15)
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volume = PA_VOLUME_NORM;
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pa_tagstruct_putu32(t, volume);
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pa_tagstruct_puts(t, name);
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if (c->version >= 13) {
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pa_proplist *p = pa_proplist_new();
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pa_tagstruct_put_proplist(t, p);
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pa_proplist_free(p);
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}
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pa_pstream_send_tagstruct(c->pstream, t);
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pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, play_sample_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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pa_operation *pa_context_play_sample_with_proplist(pa_context *c, const char *name, const char *dev, pa_volume_t volume, const pa_proplist *p, pa_context_play_sample_cb_t cb, void *userdata) {
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pa_operation *o;
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pa_tagstruct *t;
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uint32_t tag;
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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, name && *name, PA_ERR_INVALID);
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PA_CHECK_VALIDITY_RETURN_NULL(c, !dev || *dev, PA_ERR_INVALID);
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PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 13, PA_ERR_NOTSUPPORTED);
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o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
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if (!dev)
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dev = c->conf->default_sink;
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t = pa_tagstruct_command(c, PA_COMMAND_PLAY_SAMPLE, &tag);
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pa_tagstruct_putu32(t, PA_INVALID_INDEX);
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pa_tagstruct_puts(t, dev);
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if (!PA_VOLUME_IS_VALID(volume) && c->version < 15)
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volume = PA_VOLUME_NORM;
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pa_tagstruct_putu32(t, volume);
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pa_tagstruct_puts(t, name);
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if (p)
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pa_tagstruct_put_proplist(t, p);
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else {
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pa_proplist *empty_proplist = pa_proplist_new();
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pa_tagstruct_put_proplist(t, empty_proplist);
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pa_proplist_free(empty_proplist);
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}
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pa_pstream_send_tagstruct(c->pstream, t);
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pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, play_sample_with_proplist_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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pa_operation* pa_context_remove_sample(pa_context *c, const char *name, pa_context_success_cb_t cb, void *userdata) {
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pa_operation *o;
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pa_tagstruct *t;
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uint32_t tag;
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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, name && *name, PA_ERR_INVALID);
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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_REMOVE_SAMPLE, &tag);
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pa_tagstruct_puts(t, name);
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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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