From 7a46c07230b8d8108c0e8e80df4522d0ac116538 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:28:17 +0200 Subject: Adding upstream version 0.3.65. Signed-off-by: Daniel Baumann --- src/modules/module-loopback.c | 737 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 737 insertions(+) create mode 100644 src/modules/module-loopback.c (limited to 'src/modules/module-loopback.c') diff --git a/src/modules/module-loopback.c b/src/modules/module-loopback.c new file mode 100644 index 0000000..7d66539 --- /dev/null +++ b/src/modules/module-loopback.c @@ -0,0 +1,737 @@ +/* PipeWire + * + * Copyright © 2021 Wim Taymans + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * 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. + */ + +#include +#include +#include +#include +#include +#include +#include + +#include "config.h" + +#include +#include +#include +#include +#include +#include + +#include +#include + +/** \page page_module_loopback PipeWire Module: Loopback + * + * The loopback module passes the output of a capture stream unmodified to a playback stream. + * It can be used to construct a link between a source and sink but also to + * create new virtual sinks or sources or to remap channel between streams. + * + * Because both ends of the loopback are built with streams, the session manager can + * manage the configuration and connection with the sinks and sources. + * + * ## Module Options + * + * - `node.description`: a human readable name for the loopback streams + * - `target.delay.sec`: delay in seconds as float (Since 0.3.60) + * - `capture.props = {}`: properties to be passed to the input stream + * - `playback.props = {}`: properties to be passed to the output stream + * + * ## General options + * + * Options with well-known behavior. Most options can be added to the global + * configuration or the individual streams: + * + * - \ref PW_KEY_REMOTE_NAME + * - \ref PW_KEY_AUDIO_RATE + * - \ref PW_KEY_AUDIO_CHANNELS + * - \ref SPA_KEY_AUDIO_POSITION + * - \ref PW_KEY_MEDIA_NAME + * - \ref PW_KEY_NODE_LATENCY + * - \ref PW_KEY_NODE_DESCRIPTION + * - \ref PW_KEY_NODE_GROUP + * - \ref PW_KEY_NODE_LINK_GROUP + * - \ref PW_KEY_NODE_VIRTUAL + * - \ref PW_KEY_NODE_NAME: See notes below. If not specified, defaults to + * 'loopback--'. + * + * Stream only properties: + * + * - \ref PW_KEY_MEDIA_CLASS + * - \ref PW_KEY_NODE_NAME: if not given per stream, the global node.name will be + * prefixed with 'input.' and 'output.' to generate a capture and playback + * stream node.name respectively. + * + * ## Example configuration of a virtual sink + * + * This Virtual sink routes stereo input to the rear channels of a 7.1 sink. + * + *\code{.unparsed} + * context.modules = [ + * { name = libpipewire-module-loopback + * args = { + * node.description = "CM106 Stereo Pair 2" + * #target.delay.sec = 1.5 + * capture.props = { + * node.name = "CM106_stereo_pair_2" + * media.class = "Audio/Sink" + * audio.position = [ FL FR ] + * } + * playback.props = { + * node.name = "playback.CM106_stereo_pair_2" + * audio.position = [ RL RR ] + * target.object = "alsa_output.usb-0d8c_USB_Sound_Device-00.analog-surround-71" + * node.dont-reconnect = true + * stream.dont-remix = true + * node.passive = true + * } + * } + * } + * ] + *\endcode + * + * ## See also + * + * `pw-loopback` : a tool that loads the loopback module with given parameters. + */ + +#define NAME "loopback" + +PW_LOG_TOPIC_STATIC(mod_topic, "mod." NAME); +#define PW_LOG_TOPIC_DEFAULT mod_topic + +static const struct spa_dict_item module_props[] = { + { PW_KEY_MODULE_AUTHOR, "Wim Taymans " }, + { PW_KEY_MODULE_DESCRIPTION, "Create loopback streams" }, + { PW_KEY_MODULE_USAGE, " [ remote.name= ] " + "[ node.latency= ] " + "[ node.description= ] " + "[ audio.rate= ] " + "[ audio.channels= ] " + "[ audio.position= ] " + "[ target.delay.sec= ] " + "[ capture.props= ] " + "[ playback.props= ] " }, + { PW_KEY_MODULE_VERSION, PACKAGE_VERSION }, +}; + +#include +#include +#include +#include +#include + +#include +#include +#include + +#include + +struct impl { + struct pw_context *context; + + struct pw_impl_module *module; + + struct spa_hook module_listener; + + struct pw_core *core; + struct spa_hook core_proxy_listener; + struct spa_hook core_listener; + + struct pw_properties *capture_props; + struct pw_stream *capture; + struct spa_hook capture_listener; + struct spa_audio_info_raw capture_info; + struct spa_latency_info capture_latency; + + struct pw_properties *playback_props; + struct pw_stream *playback; + struct spa_hook playback_listener; + struct spa_audio_info_raw playback_info; + struct spa_latency_info playback_latency; + + unsigned int do_disconnect:1; + unsigned int recalc_delay:1; + + float target_delay; + struct spa_ringbuffer buffer; + uint8_t *buffer_data; + uint32_t buffer_size; +}; + +static void capture_destroy(void *d) +{ + struct impl *impl = d; + spa_hook_remove(&impl->capture_listener); + impl->capture = NULL; +} + +static void recalculate_delay(struct impl *impl) +{ + uint32_t target = impl->capture_info.rate * impl->target_delay, cdelay, pdelay; + uint32_t delay, w; + struct pw_time pwt; + + pw_stream_get_time_n(impl->playback, &pwt, sizeof(pwt)); + pdelay = pwt.delay; + pw_stream_get_time_n(impl->capture, &pwt, sizeof(pwt)); + cdelay = pwt.delay; + + delay = target - SPA_MIN(target, pdelay + cdelay); + delay = SPA_MIN(delay, impl->buffer_size / 4); + + spa_ringbuffer_get_write_index(&impl->buffer, &w); + spa_ringbuffer_read_update(&impl->buffer, w - (delay * 4)); + + pw_log_info("target:%d c:%d + p:%d + delay:%d = (%d)", + target, cdelay, pdelay, delay, + cdelay + pdelay + delay); +} + +static void capture_process(void *d) +{ + struct impl *impl = d; + pw_stream_trigger_process(impl->playback); +} + +static void playback_process(void *d) +{ + struct impl *impl = d; + struct pw_buffer *in, *out; + uint32_t i; + + if (impl->recalc_delay) { + recalculate_delay(impl); + impl->recalc_delay = false; + } + + if ((in = pw_stream_dequeue_buffer(impl->capture)) == NULL) + pw_log_debug("out of capture buffers: %m"); + + if ((out = pw_stream_dequeue_buffer(impl->playback)) == NULL) + pw_log_debug("out of playback buffers: %m"); + + if (in != NULL && out != NULL) { + uint32_t outsize = UINT32_MAX; + int32_t stride = 0; + struct spa_data *d; + const void *src[in->buffer->n_datas]; + uint32_t r, w, buffer_size; + + for (i = 0; i < in->buffer->n_datas; i++) { + uint32_t offs, size; + + d = &in->buffer->datas[i]; + offs = SPA_MIN(d->chunk->offset, d->maxsize); + size = SPA_MIN(d->chunk->size, d->maxsize - offs); + + src[i] = SPA_PTROFF(d->data, offs, void); + outsize = SPA_MIN(outsize, size); + stride = SPA_MAX(stride, d->chunk->stride); + } + if (impl->buffer_size > 0) { + buffer_size = impl->buffer_size; + spa_ringbuffer_get_write_index(&impl->buffer, &w); + for (i = 0; i < in->buffer->n_datas; i++) { + void *buffer_data = &impl->buffer_data[i * buffer_size]; + spa_ringbuffer_write_data(&impl->buffer, + buffer_data, buffer_size, + w % buffer_size, src[i], outsize); + src[i] = buffer_data; + } + w += outsize; + spa_ringbuffer_write_update(&impl->buffer, w); + spa_ringbuffer_get_read_index(&impl->buffer, &r); + } else { + r = 0; + buffer_size = outsize; + } + for (i = 0; i < out->buffer->n_datas; i++) { + d = &out->buffer->datas[i]; + + outsize = SPA_MIN(outsize, d->maxsize); + + if (i < in->buffer->n_datas) + spa_ringbuffer_read_data(&impl->buffer, + src[i], buffer_size, + r % buffer_size, + d->data, outsize); + else + memset(d->data, 0, outsize); + + d->chunk->offset = 0; + d->chunk->size = outsize; + d->chunk->stride = stride; + } + if (impl->buffer_size > 0) { + r += outsize; + spa_ringbuffer_read_update(&impl->buffer, r); + } + } + + if (in != NULL) + pw_stream_queue_buffer(impl->capture, in); + if (out != NULL) + pw_stream_queue_buffer(impl->playback, out); +} + +static void param_latency_changed(struct impl *impl, const struct spa_pod *param, + struct spa_latency_info *info, struct pw_stream *other) +{ + struct spa_latency_info latency; + uint8_t buffer[1024]; + struct spa_pod_builder b; + const struct spa_pod *params[1]; + + if (spa_latency_parse(param, &latency) < 0) + return; + + *info = latency; + + spa_pod_builder_init(&b, buffer, sizeof(buffer)); + params[0] = spa_latency_build(&b, SPA_PARAM_Latency, &latency); + pw_stream_update_params(other, params, 1); + + impl->recalc_delay = true; +} + +static void stream_state_changed(void *data, enum pw_stream_state old, + enum pw_stream_state state, const char *error) +{ + struct impl *impl = data; + switch (state) { + case PW_STREAM_STATE_PAUSED: + pw_stream_flush(impl->playback, false); + pw_stream_flush(impl->capture, false); + impl->recalc_delay = true; + break; + case PW_STREAM_STATE_UNCONNECTED: + pw_log_info("module %p: unconnected", impl); + pw_impl_module_schedule_destroy(impl->module); + break; + case PW_STREAM_STATE_ERROR: + pw_log_info("module %p: error: %s", impl, error); + break; + default: + break; + } +} + +static void recalculate_buffer(struct impl *impl) +{ + if (impl->target_delay > 0.0f) { + uint32_t delay = impl->capture_info.rate * impl->target_delay; + void *data; + + impl->buffer_size = (delay + (1u<<15)) * 4; + data = realloc(impl->buffer_data, impl->buffer_size * impl->capture_info.channels); + if (data == NULL) { + pw_log_warn("can't allocate delay buffer, delay disabled: %m"); + impl->buffer_size = 0; + free(impl->buffer_data); + } + impl->buffer_data = data; + spa_ringbuffer_init(&impl->buffer); + } else { + impl->buffer_size = 0; + free(impl->buffer_data); + impl->buffer_data = NULL; + } + pw_log_info("configured delay:%f buffer:%d", impl->target_delay, impl->buffer_size); + impl->recalc_delay = true; +} + +static void capture_param_changed(void *data, uint32_t id, const struct spa_pod *param) +{ + struct impl *impl = data; + + switch (id) { + case SPA_PARAM_Format: + { + struct spa_audio_info_raw info; + if (param == NULL) + return; + if (spa_format_audio_raw_parse(param, &info) < 0) + return; + if (info.rate == 0 || + info.channels == 0 || + info.channels > SPA_AUDIO_MAX_CHANNELS) + return; + + impl->capture_info = info; + recalculate_buffer(impl); + break; + } + case SPA_PARAM_Latency: + param_latency_changed(impl, param, &impl->capture_latency, impl->playback); + break; + } +} + +static const struct pw_stream_events in_stream_events = { + PW_VERSION_STREAM_EVENTS, + .destroy = capture_destroy, + .process = capture_process, + .state_changed = stream_state_changed, + .param_changed = capture_param_changed, +}; + +static void playback_destroy(void *d) +{ + struct impl *impl = d; + spa_hook_remove(&impl->playback_listener); + impl->playback = NULL; +} + +static void playback_param_changed(void *data, uint32_t id, const struct spa_pod *param) +{ + struct impl *impl = data; + + switch (id) { + case SPA_PARAM_Latency: + param_latency_changed(impl, param, &impl->playback_latency, impl->capture); + break; + } +} +static const struct pw_stream_events out_stream_events = { + PW_VERSION_STREAM_EVENTS, + .destroy = playback_destroy, + .process = playback_process, + .state_changed = stream_state_changed, + .param_changed = playback_param_changed, +}; + +static int setup_streams(struct impl *impl) +{ + int res; + uint32_t n_params; + const struct spa_pod *params[1]; + uint8_t buffer[1024]; + struct spa_pod_builder b; + + impl->capture = pw_stream_new(impl->core, + "loopback capture", impl->capture_props); + impl->capture_props = NULL; + if (impl->capture == NULL) + return -errno; + + pw_stream_add_listener(impl->capture, + &impl->capture_listener, + &in_stream_events, impl); + + impl->playback = pw_stream_new(impl->core, + "loopback playback", impl->playback_props); + impl->playback_props = NULL; + if (impl->playback == NULL) + return -errno; + + pw_stream_add_listener(impl->playback, + &impl->playback_listener, + &out_stream_events, impl); + + /* connect playback first to activate it before capture triggers it */ + n_params = 0; + spa_pod_builder_init(&b, buffer, sizeof(buffer)); + params[n_params++] = spa_format_audio_raw_build(&b, SPA_PARAM_EnumFormat, + &impl->playback_info); + if ((res = pw_stream_connect(impl->playback, + PW_DIRECTION_OUTPUT, + PW_ID_ANY, + PW_STREAM_FLAG_AUTOCONNECT | + PW_STREAM_FLAG_MAP_BUFFERS | + PW_STREAM_FLAG_RT_PROCESS | + PW_STREAM_FLAG_TRIGGER, + params, n_params)) < 0) + return res; + + n_params = 0; + spa_pod_builder_init(&b, buffer, sizeof(buffer)); + params[n_params++] = spa_format_audio_raw_build(&b, SPA_PARAM_EnumFormat, + &impl->capture_info); + if ((res = pw_stream_connect(impl->capture, + PW_DIRECTION_INPUT, + PW_ID_ANY, + PW_STREAM_FLAG_AUTOCONNECT | + PW_STREAM_FLAG_MAP_BUFFERS | + PW_STREAM_FLAG_RT_PROCESS, + params, n_params)) < 0) + return res; + + return 0; +} + +static void core_error(void *data, uint32_t id, int seq, int res, const char *message) +{ + struct impl *impl = data; + + if (res == -ENOENT) { + pw_log_info("message id:%u seq:%d res:%d (%s): %s", + id, seq, res, spa_strerror(res), message); + } else { + pw_log_warn("error id:%u seq:%d res:%d (%s): %s", + id, seq, res, spa_strerror(res), message); + } + + if (id == PW_ID_CORE && res == -EPIPE) + pw_impl_module_schedule_destroy(impl->module); +} + +static const struct pw_core_events core_events = { + PW_VERSION_CORE_EVENTS, + .error = core_error, +}; + +static void core_destroy(void *d) +{ + struct impl *impl = d; + spa_hook_remove(&impl->core_listener); + impl->core = NULL; + pw_impl_module_schedule_destroy(impl->module); +} + +static const struct pw_proxy_events core_proxy_events = { + .destroy = core_destroy, +}; + +static void impl_destroy(struct impl *impl) +{ + /* deactivate both streams before destroying any of them */ + if (impl->capture) + pw_stream_set_active(impl->capture, false); + if (impl->playback) + pw_stream_set_active(impl->playback, false); + + if (impl->capture) + pw_stream_destroy(impl->capture); + if (impl->playback) + pw_stream_destroy(impl->playback); + + if (impl->core && impl->do_disconnect) + pw_core_disconnect(impl->core); + + pw_properties_free(impl->capture_props); + pw_properties_free(impl->playback_props); + free(impl); +} + +static void module_destroy(void *data) +{ + struct impl *impl = data; + spa_hook_remove(&impl->module_listener); + impl_destroy(impl); +} + +static const struct pw_impl_module_events module_events = { + PW_VERSION_IMPL_MODULE_EVENTS, + .destroy = module_destroy, +}; + +static uint32_t channel_from_name(const char *name) +{ + int i; + for (i = 0; spa_type_audio_channel[i].name; i++) { + if (spa_streq(name, spa_debug_type_short_name(spa_type_audio_channel[i].name))) + return spa_type_audio_channel[i].type; + } + return SPA_AUDIO_CHANNEL_UNKNOWN; +} + +static void parse_position(struct spa_audio_info_raw *info, const char *val, size_t len) +{ + struct spa_json it[2]; + char v[256]; + + spa_json_init(&it[0], val, len); + if (spa_json_enter_array(&it[0], &it[1]) <= 0) + spa_json_init(&it[1], val, len); + + info->channels = 0; + while (spa_json_get_string(&it[1], v, sizeof(v)) > 0 && + info->channels < SPA_AUDIO_MAX_CHANNELS) { + info->position[info->channels++] = channel_from_name(v); + } +} + +static void parse_audio_info(struct pw_properties *props, struct spa_audio_info_raw *info) +{ + const char *str; + + *info = SPA_AUDIO_INFO_RAW_INIT( + .format = SPA_AUDIO_FORMAT_F32P); + info->rate = pw_properties_get_int32(props, PW_KEY_AUDIO_RATE, 0); + info->channels = pw_properties_get_uint32(props, PW_KEY_AUDIO_CHANNELS, 0); + info->channels = SPA_MIN(info->channels, SPA_AUDIO_MAX_CHANNELS); + if ((str = pw_properties_get(props, SPA_KEY_AUDIO_POSITION)) != NULL) + parse_position(info, str, strlen(str)); +} + +static void copy_props(struct impl *impl, struct pw_properties *props, const char *key) +{ + const char *str; + if ((str = pw_properties_get(props, key)) != NULL) { + if (pw_properties_get(impl->capture_props, key) == NULL) + pw_properties_set(impl->capture_props, key, str); + if (pw_properties_get(impl->playback_props, key) == NULL) + pw_properties_set(impl->playback_props, key, str); + } +} + +SPA_EXPORT +int pipewire__module_init(struct pw_impl_module *module, const char *args) +{ + struct pw_context *context = pw_impl_module_get_context(module); + struct pw_properties *props; + struct impl *impl; + uint32_t id = pw_global_get_id(pw_impl_module_get_global(module)); + uint32_t pid = getpid(); + const char *str; + int res; + + PW_LOG_TOPIC_INIT(mod_topic); + + impl = calloc(1, sizeof(struct impl)); + if (impl == NULL) + return -errno; + + pw_log_debug("module %p: new %s", impl, args); + + if (args) + props = pw_properties_new_string(args); + else + props = pw_properties_new(NULL, NULL); + if (props == NULL) { + res = -errno; + pw_log_error( "can't create properties: %m"); + goto error; + } + + impl->capture_props = pw_properties_new(NULL, NULL); + impl->playback_props = pw_properties_new(NULL, NULL); + if (impl->capture_props == NULL || impl->playback_props == NULL) { + res = -errno; + pw_log_error( "can't create properties: %m"); + goto error; + } + + impl->module = module; + impl->context = context; + + if (pw_properties_get(props, PW_KEY_NODE_GROUP) == NULL) + pw_properties_setf(props, PW_KEY_NODE_GROUP, "loopback-%u-%u", pid, id); + if (pw_properties_get(props, PW_KEY_NODE_LINK_GROUP) == NULL) + pw_properties_setf(props, PW_KEY_NODE_LINK_GROUP, "loopback-%u-%u", pid, id); + if (pw_properties_get(props, PW_KEY_NODE_VIRTUAL) == NULL) + pw_properties_set(props, PW_KEY_NODE_VIRTUAL, "true"); + if (pw_properties_get(props, "resample.prefill") == NULL) + pw_properties_set(props, "resample.prefill", "true"); + + if ((str = pw_properties_get(props, "capture.props")) != NULL) + pw_properties_update_string(impl->capture_props, str, strlen(str)); + if ((str = pw_properties_get(props, "playback.props")) != NULL) + pw_properties_update_string(impl->playback_props, str, strlen(str)); + + if ((str = pw_properties_get(props, "target.delay.sec")) != NULL) + spa_atof(str, &impl->target_delay); + if (impl->target_delay > 0.0f && + pw_properties_get(props, PW_KEY_NODE_LATENCY) == NULL) + /* a source and sink (USB) usually have a 1.5 quantum delay, so we use + * a 2 times smaller quantum to compensate */ + pw_properties_setf(props, PW_KEY_NODE_LATENCY, "%u/%u", + (unsigned)(impl->target_delay * 48000 / 3), 48000); + + copy_props(impl, props, PW_KEY_AUDIO_RATE); + copy_props(impl, props, PW_KEY_AUDIO_CHANNELS); + copy_props(impl, props, SPA_KEY_AUDIO_POSITION); + copy_props(impl, props, PW_KEY_NODE_DESCRIPTION); + copy_props(impl, props, PW_KEY_NODE_GROUP); + copy_props(impl, props, PW_KEY_NODE_LINK_GROUP); + copy_props(impl, props, PW_KEY_NODE_LATENCY); + copy_props(impl, props, PW_KEY_NODE_VIRTUAL); + copy_props(impl, props, PW_KEY_MEDIA_NAME); + copy_props(impl, props, "resample.prefill"); + + if ((str = pw_properties_get(props, PW_KEY_NODE_NAME)) == NULL) { + pw_properties_setf(props, PW_KEY_NODE_NAME, + "loopback-%u-%u", pid, id); + str = pw_properties_get(props, PW_KEY_NODE_NAME); + } + if (pw_properties_get(impl->capture_props, PW_KEY_NODE_NAME) == NULL) + pw_properties_setf(impl->capture_props, PW_KEY_NODE_NAME, + "input.%s", str); + if (pw_properties_get(impl->playback_props, PW_KEY_NODE_NAME) == NULL) + pw_properties_setf(impl->playback_props, PW_KEY_NODE_NAME, + "output.%s", str); + if (pw_properties_get(impl->capture_props, PW_KEY_NODE_DESCRIPTION) == NULL) + pw_properties_set(impl->capture_props, PW_KEY_NODE_DESCRIPTION, str); + if (pw_properties_get(impl->playback_props, PW_KEY_NODE_DESCRIPTION) == NULL) + pw_properties_set(impl->playback_props, PW_KEY_NODE_DESCRIPTION, str); + + parse_audio_info(impl->capture_props, &impl->capture_info); + parse_audio_info(impl->playback_props, &impl->playback_info); + + if (pw_properties_get(impl->capture_props, PW_KEY_MEDIA_NAME) == NULL) + pw_properties_setf(impl->capture_props, PW_KEY_MEDIA_NAME, "%s input", + pw_properties_get(impl->capture_props, PW_KEY_NODE_DESCRIPTION)); + if (pw_properties_get(impl->playback_props, PW_KEY_MEDIA_NAME) == NULL) + pw_properties_setf(impl->playback_props, PW_KEY_MEDIA_NAME, "%s output", + pw_properties_get(impl->playback_props, PW_KEY_NODE_DESCRIPTION)); + + impl->core = pw_context_get_object(impl->context, PW_TYPE_INTERFACE_Core); + if (impl->core == NULL) { + str = pw_properties_get(props, PW_KEY_REMOTE_NAME); + impl->core = pw_context_connect(impl->context, + pw_properties_new( + PW_KEY_REMOTE_NAME, str, + NULL), + 0); + impl->do_disconnect = true; + } + if (impl->core == NULL) { + res = -errno; + pw_log_error("can't connect: %m"); + goto error; + } + + pw_properties_free(props); + + pw_proxy_add_listener((struct pw_proxy*)impl->core, + &impl->core_proxy_listener, + &core_proxy_events, impl); + pw_core_add_listener(impl->core, + &impl->core_listener, + &core_events, impl); + + setup_streams(impl); + + pw_impl_module_add_listener(module, &impl->module_listener, &module_events, impl); + + pw_impl_module_update_properties(module, &SPA_DICT_INIT_ARRAY(module_props)); + + return 0; + +error: + pw_properties_free(props); + impl_destroy(impl); + return res; +} -- cgit v1.2.3