diff options
Diffstat (limited to 'src/pulse/scache.c')
-rw-r--r-- | src/pulse/scache.c | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/src/pulse/scache.c b/src/pulse/scache.c new file mode 100644 index 0000000..d393229 --- /dev/null +++ b/src/pulse/scache.c @@ -0,0 +1,272 @@ +/*** + This file is part of PulseAudio. + + Copyright 2004-2006 Lennart Poettering + + PulseAudio is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published + by the Free Software Foundation; either version 2.1 of the License, + or (at your option) any later version. + + PulseAudio 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 Lesser General Public License + along with PulseAudio; if not, see <http://www.gnu.org/licenses/>. +***/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdlib.h> +#include <stdio.h> + +#include <pulse/utf8.h> +#include <pulse/fork-detect.h> + +#include <pulsecore/pstream-util.h> +#include <pulsecore/macro.h> +#include <pulsecore/proplist-util.h> + +#include "internal.h" +#include "scache.h" + +int pa_stream_connect_upload(pa_stream *s, size_t length) { + pa_tagstruct *t; + uint32_t tag; + const char *name; + + pa_assert(s); + pa_assert(PA_REFCNT_VALUE(s) >= 1); + + PA_CHECK_VALIDITY(s->context, !pa_detect_fork(), PA_ERR_FORKED); + PA_CHECK_VALIDITY(s->context, s->state == PA_STREAM_UNCONNECTED, PA_ERR_BADSTATE); + PA_CHECK_VALIDITY(s->context, length > 0, PA_ERR_INVALID); + PA_CHECK_VALIDITY(s->context, length == (size_t) (uint32_t) length, PA_ERR_INVALID); + PA_CHECK_VALIDITY(s->context, s->context->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); + + if (!(name = pa_proplist_gets(s->proplist, PA_PROP_EVENT_ID))) + name = pa_proplist_gets(s->proplist, PA_PROP_MEDIA_NAME); + + PA_CHECK_VALIDITY(s->context, name && *name && pa_utf8_valid(name), PA_ERR_INVALID); + + pa_stream_ref(s); + + s->direction = PA_STREAM_UPLOAD; + s->flags = 0; + + t = pa_tagstruct_command(s->context, PA_COMMAND_CREATE_UPLOAD_STREAM, &tag); + + pa_tagstruct_puts(t, name); + pa_tagstruct_put_sample_spec(t, &s->sample_spec); + pa_tagstruct_put_channel_map(t, &s->channel_map); + pa_tagstruct_putu32(t, (uint32_t) length); + + if (s->context->version >= 13) + pa_tagstruct_put_proplist(t, s->proplist); + + pa_pstream_send_tagstruct(s->context->pstream, t); + pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, pa_create_stream_callback, s, NULL); + + pa_stream_set_state(s, PA_STREAM_CREATING); + + pa_stream_unref(s); + return 0; +} + +int pa_stream_finish_upload(pa_stream *s) { + pa_tagstruct *t; + uint32_t tag; + + pa_assert(s); + pa_assert(PA_REFCNT_VALUE(s) >= 1); + + PA_CHECK_VALIDITY(s->context, !pa_detect_fork(), PA_ERR_FORKED); + PA_CHECK_VALIDITY(s->context, s->channel_valid, PA_ERR_BADSTATE); + PA_CHECK_VALIDITY(s->context, s->context->state == PA_CONTEXT_READY, PA_ERR_BADSTATE); + + pa_stream_ref(s); + + t = pa_tagstruct_command(s->context, PA_COMMAND_FINISH_UPLOAD_STREAM, &tag); + pa_tagstruct_putu32(t, s->channel); + pa_pstream_send_tagstruct(s->context->pstream, t); + pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, pa_stream_disconnect_callback, s, NULL); + + pa_stream_unref(s); + return 0; +} + +static void play_sample_ack_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { + pa_operation *o = userdata; + int success = 1; + uint32_t idx = PA_INVALID_INDEX; + + 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; + + success = 0; + } else if ((o->context->version >= 13 && pa_tagstruct_getu32(t, &idx) < 0) || + !pa_tagstruct_eof(t)) { + pa_context_fail(o->context, PA_ERR_PROTOCOL); + goto finish; + } else if (o->context->version >= 13 && idx == PA_INVALID_INDEX) + success = 0; + + if (o->callback) { + pa_context_success_cb_t cb = (pa_context_success_cb_t) o->callback; + cb(o->context, success, o->userdata); + } + +finish: + pa_operation_done(o); + pa_operation_unref(o); +} + +static void play_sample_with_proplist_ack_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { + pa_operation *o = userdata; + uint32_t idx; + + 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; + + idx = PA_INVALID_INDEX; + } else if (pa_tagstruct_getu32(t, &idx) < 0 || + !pa_tagstruct_eof(t)) { + pa_context_fail(o->context, PA_ERR_PROTOCOL); + goto finish; + } + + if (o->callback) { + pa_context_play_sample_cb_t cb = (pa_context_play_sample_cb_t) o->callback; + cb(o->context, idx, o->userdata); + } + +finish: + pa_operation_done(o); + pa_operation_unref(o); +} + +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) { + 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, !pa_detect_fork(), PA_ERR_FORKED); + 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, !dev || *dev, PA_ERR_INVALID); + + o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata); + + if (!dev) + dev = c->conf->default_sink; + + t = pa_tagstruct_command(c, PA_COMMAND_PLAY_SAMPLE, &tag); + pa_tagstruct_putu32(t, PA_INVALID_INDEX); + pa_tagstruct_puts(t, dev); + + if (!PA_VOLUME_IS_VALID(volume) && c->version < 15) + volume = PA_VOLUME_NORM; + + pa_tagstruct_putu32(t, volume); + pa_tagstruct_puts(t, name); + + if (c->version >= 13) { + pa_proplist *p = pa_proplist_new(); + pa_tagstruct_put_proplist(t, p); + pa_proplist_free(p); + } + + pa_pstream_send_tagstruct(c->pstream, t); + pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, play_sample_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref); + + return o; +} + +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) { + 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, !pa_detect_fork(), PA_ERR_FORKED); + 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, !dev || *dev, PA_ERR_INVALID); + PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 13, PA_ERR_NOTSUPPORTED); + + o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata); + + if (!dev) + dev = c->conf->default_sink; + + t = pa_tagstruct_command(c, PA_COMMAND_PLAY_SAMPLE, &tag); + pa_tagstruct_putu32(t, PA_INVALID_INDEX); + pa_tagstruct_puts(t, dev); + + if (!PA_VOLUME_IS_VALID(volume) && c->version < 15) + volume = PA_VOLUME_NORM; + + pa_tagstruct_putu32(t, volume); + pa_tagstruct_puts(t, name); + + if (p) + pa_tagstruct_put_proplist(t, p); + else { + pa_proplist *empty_proplist = pa_proplist_new(); + pa_tagstruct_put_proplist(t, empty_proplist); + pa_proplist_free(empty_proplist); + } + + pa_pstream_send_tagstruct(c->pstream, t); + 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); + + return o; +} + +pa_operation* pa_context_remove_sample(pa_context *c, const char *name, 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, !pa_detect_fork(), PA_ERR_FORKED); + 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); + + o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata); + + t = pa_tagstruct_command(c, PA_COMMAND_REMOVE_SAMPLE, &tag); + pa_tagstruct_puts(t, name); + + 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; +} |