mirror of
https://gitlab.freedesktop.org/pipewire/pipewire
synced 2024-10-14 20:02:38 +00:00
pulse-server: add remap sink and source modules
This commit is contained in:
parent
1e6b7b8a83
commit
ab7bc6ed27
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@ -111,6 +111,8 @@ pipewire_module_protocol_pulse = shared_library('pipewire-module-protocol-pulse'
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'module-protocol-pulse/modules/module-loopback.c',
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'module-protocol-pulse/modules/module-native-protocol-tcp.c',
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'module-protocol-pulse/modules/module-null-sink.c',
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'module-protocol-pulse/modules/module-remap-sink.c',
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'module-protocol-pulse/modules/module-remap-source.c',
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'module-protocol-pulse/modules/module-simple-protocol-tcp.c',
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],
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c_args : pipewire_module_c_args,
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@ -211,6 +211,8 @@ static const struct module_info module_list[] = {
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{ "module-loopback", create_module_loopback, },
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{ "module-null-sink", create_module_null_sink, },
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{ "module-native-protocol-tcp", create_module_native_protocol_tcp, },
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{ "module-remap-sink", create_module_remap_sink, },
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{ "module-remap-source", create_module_remap_source, },
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{ "module-simple-protocol-tcp", create_module_simple_protocol_tcp, },
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{ NULL, }
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};
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261
src/modules/module-protocol-pulse/modules/module-remap-sink.c
Normal file
261
src/modules/module-protocol-pulse/modules/module-remap-sink.c
Normal file
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@ -0,0 +1,261 @@
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/* PipeWire
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*
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* Copyright © 2021 Wim Taymans <wim.taymans@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <spa/param/audio/format-utils.h>
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#include <spa/utils/hook.h>
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#include <spa/utils/json.h>
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#include <pipewire/pipewire.h>
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#include <pipewire/private.h>
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#include "../defs.h"
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#include "../module.h"
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#include "registry.h"
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#define ERROR_RETURN(str) \
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{ \
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pw_log_error(str); \
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res = -EINVAL; \
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goto out; \
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}
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struct module_remap_sink_data {
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struct module *module;
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struct pw_impl_module *mod;
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struct spa_hook mod_listener;
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struct pw_properties *capture_props;
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struct pw_properties *playback_props;
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};
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static void module_destroy(void *data)
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{
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struct module_remap_sink_data *d = data;
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spa_hook_remove(&d->mod_listener);
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d->mod = NULL;
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module_schedule_unload(d->module);
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}
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static const struct pw_impl_module_events module_events = {
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PW_VERSION_IMPL_MODULE_EVENTS,
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.destroy = module_destroy
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};
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static void serialize_dict(FILE *f, const struct spa_dict *dict)
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{
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const struct spa_dict_item *it;
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fprintf(f, "{");
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spa_dict_for_each(it, dict) {
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size_t len = it->value ? strlen(it->value) : 0;
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fprintf(f, " \"%s\" = ", it->key);
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if (it->value == NULL) {
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fprintf(f, "null");
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} else if ( spa_json_is_null(it->value, len) ||
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spa_json_is_float(it->value, len) ||
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spa_json_is_object(it->value, len)) {
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fprintf(f, "%s", it->value);
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} else {
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size_t size = (len+1) * 4;
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char str[size];
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spa_json_encode_string(str, size, it->value);
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fprintf(f, "%s", str);
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}
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}
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fprintf(f, " }");
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}
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static int module_remap_sink_load(struct client *client, struct module *module)
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{
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struct module_remap_sink_data *data = module->user_data;
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FILE *f;
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char *args;
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size_t size;
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pw_properties_setf(data->capture_props, PW_KEY_NODE_GROUP, "remap-sink-%u", module->idx);
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pw_properties_setf(data->playback_props, PW_KEY_NODE_GROUP, "remap-sink-%u", module->idx);
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f = open_memstream(&args, &size);
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fprintf(f, "{");
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fprintf(f, " capture.props = ");
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serialize_dict(f, &data->capture_props->dict);
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fprintf(f, " playback.props = ");
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serialize_dict(f, &data->playback_props->dict);
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fprintf(f, " }");
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fclose(f);
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data->mod = pw_context_load_module(module->impl->context,
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"libpipewire-module-loopback",
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args, NULL);
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free(args);
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if (data->mod == NULL)
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return -errno;
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pw_impl_module_add_listener(data->mod,
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&data->mod_listener,
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&module_events, data);
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pw_log_info("loaded module %p id:%u name:%s", module, module->idx, module->name);
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module_emit_loaded(module, 0);
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return 0;
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}
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static int module_remap_sink_unload(struct client *client, struct module *module)
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{
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struct module_remap_sink_data *d = module->user_data;
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pw_log_info("unload module %p id:%u name:%s", module, module->idx, module->name);
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if (d->mod) {
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spa_hook_remove(&d->mod_listener);
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pw_impl_module_destroy(d->mod);
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d->mod = NULL;
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}
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return 0;
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}
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static const struct module_methods module_remap_sink_methods = {
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VERSION_MODULE_METHODS,
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.load = module_remap_sink_load,
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.unload = module_remap_sink_unload,
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};
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static const struct spa_dict_item module_remap_sink_info[] = {
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{ PW_KEY_MODULE_AUTHOR, "Wim Taymans <wim.taymans@gmail.com>" },
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{ PW_KEY_MODULE_DESCRIPTION, "Remap sink channels" },
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{ PW_KEY_MODULE_USAGE, "sink_name=<name for the sink> "
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"sink_properties=<properties for the sink> "
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"master=<name of sink to remap> "
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"master_channel_map=<channel map> "
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"format=<sample format> "
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"rate=<sample rate> "
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"channels=<number of channels> "
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"channel_map=<channel map> "
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"resample_method=<resampler> "
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"remix=<remix channels?>" },
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{ PW_KEY_MODULE_VERSION, PACKAGE_VERSION },
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};
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static void position_to_props(struct spa_audio_info_raw *info, struct pw_properties *props)
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{
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char *s, *p;
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uint32_t i;
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pw_properties_setf(props, SPA_KEY_AUDIO_CHANNELS, "%u", info->channels);
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p = s = alloca(info->channels * 6);
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for (i = 0; i < info->channels; i++)
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p += snprintf(p, 6, "%s%s", i == 0 ? "" : ",",
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channel_id2name(info->position[i]));
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pw_properties_set(props, SPA_KEY_AUDIO_POSITION, s);
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}
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struct module *create_module_remap_sink(struct impl *impl, const char *argument)
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{
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struct module *module;
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struct module_remap_sink_data *d;
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struct pw_properties *props = NULL, *playback_props = NULL, *capture_props = NULL;
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const char *str;
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struct spa_audio_info_raw capture_info = { 0 };
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struct spa_audio_info_raw playback_info = { 0 };
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int res;
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props = pw_properties_new_dict(&SPA_DICT_INIT_ARRAY(module_remap_sink_info));
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capture_props = pw_properties_new(NULL, NULL);
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playback_props = pw_properties_new(NULL, NULL);
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if (!props || !capture_props || !playback_props) {
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res = -EINVAL;
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goto out;
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}
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if (argument)
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module_args_add_props(props, argument);
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if ((str = pw_properties_get(props, "sink_name")) != NULL) {
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pw_properties_set(capture_props, PW_KEY_NODE_NAME, str);
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pw_properties_set(props, "sink_name", NULL);
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} else {
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pw_properties_set(props, PW_KEY_NODE_NAME, "null");
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}
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if ((str = pw_properties_get(props, "sink_properties")) != NULL) {
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module_args_add_props(capture_props, str);
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pw_properties_set(props, "sink_properties", NULL);
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}
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pw_properties_set(capture_props, PW_KEY_MEDIA_CLASS, "Audio/Sink");
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if ((str = pw_properties_get(props, "master")) != NULL) {
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pw_properties_set(playback_props, PW_KEY_NODE_TARGET, str);
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pw_properties_set(props, "master", NULL);
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}
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if (module_args_to_audioinfo(impl, props, &capture_info) < 0) {
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res = -EINVAL;
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goto out;
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}
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playback_info = capture_info;
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if ((str = pw_properties_get(props, "master_channel_map")) != NULL) {
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struct channel_map map;
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channel_map_parse(str, &map);
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if (map.channels == 0 || map.channels > SPA_AUDIO_MAX_CHANNELS) {
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pw_log_error("invalid channel_map '%s'", str);
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res = -EINVAL;
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goto out;
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}
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channel_map_to_positions(&map, playback_info.position);
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pw_properties_set(props, "master_channel_map", NULL);
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}
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position_to_props(&capture_info, capture_props);
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position_to_props(&playback_info, playback_props);
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if ((str = pw_properties_get(props, "remix")) != NULL) {
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/* Note that the boolean is inverted */
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pw_properties_set(playback_props, PW_KEY_STREAM_DONT_REMIX,
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pw_properties_parse_bool(str) ? "false" : "true");
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pw_properties_set(props, "remix", NULL);
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}
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module = module_new(impl, &module_remap_sink_methods, sizeof(*d));
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if (module == NULL) {
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res = -errno;
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goto out;
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}
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module->props = props;
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d = module->user_data;
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d->module = module;
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d->capture_props = capture_props;
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d->playback_props = playback_props;
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return module;
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out:
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if (props)
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pw_properties_free(props);
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if (playback_props)
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pw_properties_free(playback_props);
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if (capture_props)
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pw_properties_free(capture_props);
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errno = -res;
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return NULL;
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}
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261
src/modules/module-protocol-pulse/modules/module-remap-source.c
Normal file
261
src/modules/module-protocol-pulse/modules/module-remap-source.c
Normal file
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@ -0,0 +1,261 @@
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/* PipeWire
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*
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* Copyright © 2021 Wim Taymans <wim.taymans@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
|
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* to deal in the Software without restriction, including without limitation
|
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||||
* and/or sell copies of the Software, and to permit persons to whom the
|
||||
* Software is furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice (including the next
|
||||
* paragraph) shall be included in all copies or substantial portions of the
|
||||
* Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||||
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||||
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||
* DEALINGS IN THE SOFTWARE.
|
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*/
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#include <spa/param/audio/format-utils.h>
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#include <spa/utils/hook.h>
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#include <spa/utils/json.h>
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#include <pipewire/pipewire.h>
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#include <pipewire/private.h>
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#include "../defs.h"
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#include "../module.h"
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#include "registry.h"
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#define ERROR_RETURN(str) \
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{ \
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pw_log_error(str); \
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res = -EINVAL; \
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goto out; \
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}
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struct module_remap_source_data {
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struct module *module;
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struct pw_impl_module *mod;
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struct spa_hook mod_listener;
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struct pw_properties *capture_props;
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struct pw_properties *playback_props;
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};
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static void module_destroy(void *data)
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{
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struct module_remap_source_data *d = data;
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spa_hook_remove(&d->mod_listener);
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d->mod = NULL;
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module_schedule_unload(d->module);
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}
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static const struct pw_impl_module_events module_events = {
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PW_VERSION_IMPL_MODULE_EVENTS,
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.destroy = module_destroy
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};
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static void serialize_dict(FILE *f, const struct spa_dict *dict)
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{
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const struct spa_dict_item *it;
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fprintf(f, "{");
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spa_dict_for_each(it, dict) {
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size_t len = it->value ? strlen(it->value) : 0;
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fprintf(f, " \"%s\" = ", it->key);
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if (it->value == NULL) {
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fprintf(f, "null");
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} else if ( spa_json_is_null(it->value, len) ||
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spa_json_is_float(it->value, len) ||
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spa_json_is_object(it->value, len)) {
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fprintf(f, "%s", it->value);
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} else {
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size_t size = (len+1) * 4;
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char str[size];
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spa_json_encode_string(str, size, it->value);
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fprintf(f, "%s", str);
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}
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}
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fprintf(f, " }");
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}
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static int module_remap_source_load(struct client *client, struct module *module)
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{
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struct module_remap_source_data *data = module->user_data;
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FILE *f;
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char *args;
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size_t size;
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pw_properties_setf(data->capture_props, PW_KEY_NODE_GROUP, "remap-source-%u", module->idx);
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pw_properties_setf(data->playback_props, PW_KEY_NODE_GROUP, "remap-source-%u", module->idx);
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f = open_memstream(&args, &size);
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fprintf(f, "{");
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fprintf(f, " capture.props = ");
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serialize_dict(f, &data->capture_props->dict);
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||||
fprintf(f, " playback.props = ");
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serialize_dict(f, &data->playback_props->dict);
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fprintf(f, " }");
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fclose(f);
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||||
data->mod = pw_context_load_module(module->impl->context,
|
||||
"libpipewire-module-loopback",
|
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args, NULL);
|
||||
free(args);
|
||||
|
||||
if (data->mod == NULL)
|
||||
return -errno;
|
||||
|
||||
pw_impl_module_add_listener(data->mod,
|
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&data->mod_listener,
|
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&module_events, data);
|
||||
|
||||
pw_log_info("loaded module %p id:%u name:%s", module, module->idx, module->name);
|
||||
module_emit_loaded(module, 0);
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||||
|
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return 0;
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||||
}
|
||||
|
||||
static int module_remap_source_unload(struct client *client, struct module *module)
|
||||
{
|
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struct module_remap_source_data *d = module->user_data;
|
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|
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pw_log_info("unload module %p id:%u name:%s", module, module->idx, module->name);
|
||||
|
||||
if (d->mod) {
|
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spa_hook_remove(&d->mod_listener);
|
||||
pw_impl_module_destroy(d->mod);
|
||||
d->mod = NULL;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct module_methods module_remap_source_methods = {
|
||||
VERSION_MODULE_METHODS,
|
||||
.load = module_remap_source_load,
|
||||
.unload = module_remap_source_unload,
|
||||
};
|
||||
|
||||
static const struct spa_dict_item module_remap_source_info[] = {
|
||||
{ PW_KEY_MODULE_AUTHOR, "Wim Taymans <wim.taymans@gmail.com>" },
|
||||
{ PW_KEY_MODULE_DESCRIPTION, "Remap source channels" },
|
||||
{ PW_KEY_MODULE_USAGE, "source_name=<name for the source> "
|
||||
"source_properties=<properties for the source> "
|
||||
"master=<name of source to filter> "
|
||||
"master_channel_map=<channel map> "
|
||||
"format=<sample format> "
|
||||
"rate=<sample rate> "
|
||||
"channels=<number of channels> "
|
||||
"channel_map=<channel map> "
|
||||
"resample_method=<resampler> "
|
||||
"remix=<remix channels?>" },
|
||||
{ PW_KEY_MODULE_VERSION, PACKAGE_VERSION },
|
||||
};
|
||||
|
||||
static void position_to_props(struct spa_audio_info_raw *info, struct pw_properties *props)
|
||||
{
|
||||
char *s, *p;
|
||||
uint32_t i;
|
||||
|
||||
pw_properties_setf(props, SPA_KEY_AUDIO_CHANNELS, "%u", info->channels);
|
||||
p = s = alloca(info->channels * 6);
|
||||
for (i = 0; i < info->channels; i++)
|
||||
p += snprintf(p, 6, "%s%s", i == 0 ? "" : ",",
|
||||
channel_id2name(info->position[i]));
|
||||
pw_properties_set(props, SPA_KEY_AUDIO_POSITION, s);
|
||||
}
|
||||
|
||||
struct module *create_module_remap_source(struct impl *impl, const char *argument)
|
||||
{
|
||||
struct module *module;
|
||||
struct module_remap_source_data *d;
|
||||
struct pw_properties *props = NULL, *playback_props = NULL, *capture_props = NULL;
|
||||
const char *str;
|
||||
struct spa_audio_info_raw capture_info = { 0 };
|
||||
struct spa_audio_info_raw playback_info = { 0 };
|
||||
int res;
|
||||
|
||||
props = pw_properties_new_dict(&SPA_DICT_INIT_ARRAY(module_remap_source_info));
|
||||
capture_props = pw_properties_new(NULL, NULL);
|
||||
playback_props = pw_properties_new(NULL, NULL);
|
||||
if (!props || !capture_props || !playback_props) {
|
||||
res = -EINVAL;
|
||||
goto out;
|
||||
}
|
||||
if (argument)
|
||||
module_args_add_props(props, argument);
|
||||
|
||||
if ((str = pw_properties_get(props, "source_name")) != NULL) {
|
||||
pw_properties_set(playback_props, PW_KEY_NODE_NAME, str);
|
||||
pw_properties_set(props, "source_name", NULL);
|
||||
} else {
|
||||
pw_properties_set(props, PW_KEY_NODE_NAME, "null");
|
||||
}
|
||||
if ((str = pw_properties_get(props, "source_properties")) != NULL) {
|
||||
module_args_add_props(playback_props, str);
|
||||
pw_properties_set(props, "source_properties", NULL);
|
||||
}
|
||||
pw_properties_set(playback_props, PW_KEY_MEDIA_CLASS, "Audio/Source");
|
||||
|
||||
if ((str = pw_properties_get(props, "master")) != NULL) {
|
||||
pw_properties_set(capture_props, PW_KEY_NODE_TARGET, str);
|
||||
pw_properties_set(props, "master", NULL);
|
||||
}
|
||||
|
||||
if (module_args_to_audioinfo(impl, props, &playback_info) < 0) {
|
||||
res = -EINVAL;
|
||||
goto out;
|
||||
}
|
||||
capture_info = playback_info;
|
||||
|
||||
if ((str = pw_properties_get(props, "master_channel_map")) != NULL) {
|
||||
struct channel_map map;
|
||||
|
||||
channel_map_parse(str, &map);
|
||||
if (map.channels == 0 || map.channels > SPA_AUDIO_MAX_CHANNELS) {
|
||||
pw_log_error("invalid channel_map '%s'", str);
|
||||
res = -EINVAL;
|
||||
goto out;
|
||||
}
|
||||
channel_map_to_positions(&map, capture_info.position);
|
||||
pw_properties_set(props, "master_channel_map", NULL);
|
||||
}
|
||||
position_to_props(&playback_info, playback_props);
|
||||
position_to_props(&capture_info, capture_props);
|
||||
|
||||
if ((str = pw_properties_get(props, "remix")) != NULL) {
|
||||
/* Note that the boolean is inverted */
|
||||
pw_properties_set(capture_props, PW_KEY_STREAM_DONT_REMIX,
|
||||
pw_properties_parse_bool(str) ? "false" : "true");
|
||||
pw_properties_set(props, "remix", NULL);
|
||||
}
|
||||
|
||||
module = module_new(impl, &module_remap_source_methods, sizeof(*d));
|
||||
if (module == NULL) {
|
||||
res = -errno;
|
||||
goto out;
|
||||
}
|
||||
|
||||
module->props = props;
|
||||
d = module->user_data;
|
||||
d->module = module;
|
||||
d->capture_props = capture_props;
|
||||
d->playback_props = playback_props;
|
||||
|
||||
return module;
|
||||
out:
|
||||
if (props)
|
||||
pw_properties_free(props);
|
||||
if (playback_props)
|
||||
pw_properties_free(playback_props);
|
||||
if (capture_props)
|
||||
pw_properties_free(capture_props);
|
||||
errno = -res;
|
||||
return NULL;
|
||||
}
|
|
@ -31,6 +31,8 @@
|
|||
struct module *create_module_loopback(struct impl *impl, const char *argument);
|
||||
struct module *create_module_native_protocol_tcp(struct impl *impl, const char *argument);
|
||||
struct module *create_module_null_sink(struct impl *impl, const char *argument);
|
||||
struct module *create_module_remap_sink(struct impl *impl, const char *argument);
|
||||
struct module *create_module_remap_source(struct impl *impl, const char *argument);
|
||||
struct module *create_module_simple_protocol_tcp(struct impl *impl, const char *argument);
|
||||
|
||||
#endif
|
||||
|
|
Loading…
Reference in a new issue