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remove obsolete modules

Browse source 
remove obsolete media-session and suspend-on-idle. This functionality
is to be handled by an external session manager
This commit is contained in:
Wim Taymans 2018-10-02 17:34:31 +02:00
parent 3d36755c4f
commit 8efabe051e
7 changed files with 3 additions and 1093 deletions
Download patch file Download diff file Expand all files Collapse all files

24
src/modules/meson.build
View file

@ -68,8 +68,8 @@ pipewire_module_protocol_native = shared_library('pipewire-module-protocol-nativ
pipewire_module_audio_dsp = shared_library('pipewire-module-audio-dsp',
[ 'module-audio-dsp.c',
'module-media-session/audio-dsp.c',
'module-media-session/floatmix.c',
'module-audio-dsp/audio-dsp.c',
'module-audio-dsp/floatmix.c',
'spa/spa-node.c' ],
c_args : pipewire_module_c_args,
include_directories : [configinc, spa_inc],
@ -77,23 +77,3 @@ pipewire_module_audio_dsp = shared_library('pipewire-module-audio-dsp',
install_dir : modules_install_dir,
dependencies : [mathlib, dl_lib, rt_lib, pipewire_dep],
)
pipewire_module_media_session = shared_library('pipewire-module-media-session',
[ 'module-media-session.c',
'module-media-session/audio-dsp.c',
'module-media-session/floatmix.c',
'spa/spa-node.c' ],
c_args : pipewire_module_c_args,
include_directories : [configinc, spa_inc],
install : true,
install_dir : modules_install_dir,
dependencies : [mathlib, dl_lib, rt_lib, pipewire_dep],
)
pipewire_module_suspend_on_idle = shared_library('pipewire-module-suspend-on-idle', [ 'module-suspend-on-idle.c' ],
c_args : pipewire_module_c_args,
include_directories : [configinc, spa_inc],
install : true,
install_dir : modules_install_dir,
dependencies : [mathlib, dl_lib, pipewire_dep],
)

2
src/modules/module-audio-dsp.c
View file

@ -35,7 +35,7 @@
#include "pipewire/module.h"
#include "pipewire/private.h"
#include "module-media-session/audio-dsp.h"
#include "module-audio-dsp/audio-dsp.h"
static const struct spa_dict_item module_props[] = {
{ PW_MODULE_PROP_AUTHOR, "Wim Taymans <wim.taymans@gmail.com>" },

0
src/modules/module-media-session/audio-dsp.c → src/modules/module-audio-dsp/audio-dsp.c
View file

0
src/modules/module-media-session/audio-dsp.h → src/modules/module-audio-dsp/audio-dsp.h
View file

0
src/modules/module-media-session/floatmix.c → src/modules/module-audio-dsp/floatmix.c
View file

846
src/modules/module-media-session.c
View file

@ -1,846 +0,0 @@
/* PipeWire
* Copyright (C) 2018 Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <math.h>
#include <time.h>
#include "config.h"
#include <spa/node/node.h>
#include <spa/utils/hook.h>
#include <spa/param/audio/format-utils.h>
#include <spa/debug/format.h>
#include <spa/debug/types.h>
#include "pipewire/core.h"
#include "pipewire/control.h"
#include "pipewire/link.h"
#include "pipewire/log.h"
#include "pipewire/module.h"
#include "pipewire/type.h"
#include "pipewire/private.h"
#include "module-media-session/audio-dsp.h"
static const struct spa_dict_item module_props[] = {
{ PW_MODULE_PROP_AUTHOR, "Wim Taymans <wim.taymans@gmail.com>" },
{ PW_MODULE_PROP_DESCRIPTION, "Manage media sessions" },
{ PW_MODULE_PROP_VERSION, PACKAGE_VERSION },
};
#define DEFAULT_CHANNELS 2
#define DEFAULT_SAMPLE_RATE 48000
#define MIN_QUANTUM_SIZE 64
#define MAX_QUANTUM_SIZE 1024
struct impl {
struct timespec now;
struct pw_core *core;
struct pw_module *module;
struct spa_hook core_listener;
struct spa_hook module_listener;
struct pw_properties *properties;
struct spa_list session_list;
};
struct session {
struct spa_list l;
uint32_t id;
struct impl *impl;
enum pw_direction direction;
uint64_t plugged;
struct pw_node *node;
struct spa_hook node_listener;
struct pw_port *node_port;
struct pw_node *dsp;
struct spa_hook dsp_listener;
struct pw_port *dsp_port;
struct pw_link *link;
bool enabled;
bool busy;
bool exclusive;
int sample_rate;
int quantum_size;
struct spa_list node_list;
};
struct node_info {
struct spa_list l;
struct impl *impl;
struct session *session;
struct pw_node *node;
struct spa_hook node_listener;
uint32_t sample_rate;
uint32_t quantum_size;
struct spa_list links;
};
struct link_data {
struct spa_list l;
struct node_info *node_info;
struct pw_link *link;
struct spa_hook link_listener;
};
static int handle_autoconnect(struct impl *impl, struct pw_node *node,
const struct pw_properties *props);
/** \endcond */
static void link_data_remove(struct link_data *data)
{
spa_list_remove(&data->l);
spa_hook_remove(&data->link_listener);
}
static void node_info_free(struct node_info *info)
{
struct link_data *ld, *t;
spa_list_remove(&info->l);
spa_hook_remove(&info->node_listener);
spa_list_for_each_safe(ld, t, &info->links, l)
link_data_remove(ld);
free(info);
}
static void session_destroy(struct session *sess)
{
struct node_info *ni, *t;
spa_list_remove(&sess->l);
spa_hook_remove(&sess->node_listener);
if (sess->dsp) {
spa_hook_remove(&sess->dsp_listener);
pw_node_destroy(sess->dsp);
}
spa_list_for_each_safe(ni, t, &sess->node_list, l) {
pw_node_set_state(ni->node, PW_NODE_STATE_SUSPENDED);
pw_node_set_driver(ni->node, NULL);
handle_autoconnect(ni->impl, ni->node,
pw_node_get_properties(ni->node));
node_info_free(ni);
}
free(sess);
}
static void
link_port_unlinked(void *data, struct pw_port *port)
{
struct link_data *ld = data;
struct node_info *info = ld->node_info;
struct pw_link *link = ld->link;
struct impl *impl = info->impl;
pw_log_debug("module %p: link %p: port %p unlinked", impl, link, port);
}
static void
link_state_changed(void *data, enum pw_link_state old, enum pw_link_state state, const char *error)
{
struct link_data *ld = data;
struct node_info *info = ld->node_info;
struct pw_link *link = ld->link;
struct impl *impl = info->impl;
switch (state) {
case PW_LINK_STATE_ERROR:
{
struct pw_global *global = pw_node_get_global(info->node);
struct pw_client *owner = pw_global_get_owner(global);
pw_log_debug("module %p: link %p: state error: %s", impl, link, error);
if (owner)
pw_resource_error(pw_client_get_core_resource(owner), -ENODEV, error);
break;
}
case PW_LINK_STATE_UNLINKED:
pw_log_debug("module %p: link %p: unlinked", impl, link);
break;
case PW_LINK_STATE_INIT:
case PW_LINK_STATE_NEGOTIATING:
case PW_LINK_STATE_ALLOCATING:
case PW_LINK_STATE_PAUSED:
case PW_LINK_STATE_RUNNING:
break;
}
}
static void try_link_controls(struct impl *impl, struct pw_port *port, struct pw_port *target)
{
struct pw_control *cin, *cout;
int res;
pw_log_debug("module %p: trying controls", impl);
spa_list_for_each(cout, &port->control_list[SPA_DIRECTION_OUTPUT], port_link) {
spa_list_for_each(cin, &target->control_list[SPA_DIRECTION_INPUT], port_link) {
if ((res = pw_control_link(cout, cin)) < 0)
pw_log_error("failed to link controls: %s", spa_strerror(res));
}
}
spa_list_for_each(cin, &port->control_list[SPA_DIRECTION_INPUT], port_link) {
spa_list_for_each(cout, &target->control_list[SPA_DIRECTION_OUTPUT], port_link) {
if ((res = pw_control_link(cout, cin)) < 0)
pw_log_error("failed to link controls: %s", spa_strerror(res));
}
}
}
static void
link_destroy(void *data)
{
struct link_data *ld = data;
pw_log_debug("module %p: link %p destroyed", ld->node_info->impl, ld->link);
link_data_remove(ld);
}
static const struct pw_link_events link_events = {
PW_VERSION_LINK_EVENTS,
.destroy = link_destroy,
.port_unlinked = link_port_unlinked,
.state_changed = link_state_changed,
};
static int link_ports(struct node_info *info, struct pw_port *port, struct pw_port *target)
{
struct impl *impl = info->impl;
struct pw_link *link;
struct link_data *ld;
char *error = NULL;
if (pw_port_get_direction(port) == PW_DIRECTION_INPUT) {
struct pw_port *tmp = target;
target = port;
port = tmp;
}
link = pw_link_new(impl->core,
port, target,
NULL, NULL,
&error,
sizeof(struct link_data));
if (link == NULL)
return -ENOMEM;
ld = pw_link_get_user_data(link);
ld->link = link;
ld->node_info = info;
pw_link_add_listener(link, &ld->link_listener, &link_events, ld);
spa_list_append(&info->links, &ld->l);
pw_link_register(link, NULL, pw_module_get_global(impl->module), NULL);
try_link_controls(impl, port, target);
return 0;
}
static int on_peer_port(void *data, struct pw_port *port)
{
struct node_info *info = data;
struct pw_port *p;
enum pw_direction direction = pw_direction_reverse(port->direction);
int res;
p = pw_node_find_port(info->node, direction, SPA_ID_INVALID);
if (p == NULL || pw_port_is_linked(p)) {
uint32_t port_id;
port_id = pw_node_get_free_port_id(info->node, direction);
if (port_id == SPA_ID_INVALID)
return 0;
p = pw_port_new(direction, port_id, NULL, 0);
if (p == NULL)
return -ENOMEM;
if ((res = pw_port_add(p, info->node)) < 0) {
pw_log_warn("can't add port: %s", spa_strerror(res));
return res;
}
}
return link_ports(info, p, port);
}
static void reconfigure_session(struct session *sess)
{
struct node_info *ni;
struct impl *impl = sess->impl;
uint32_t quantum_size = MAX_QUANTUM_SIZE;
spa_list_for_each(ni, &sess->node_list, l) {
if (ni->quantum_size > 0)
quantum_size = SPA_MIN(quantum_size, ni->quantum_size);
}
if (spa_list_is_empty(&sess->node_list)) {
sess->exclusive = false;
sess->busy = false;
}
sess->quantum_size = quantum_size;
sess->node->rt.quantum->rate = SPA_FRACTION(1, sess->sample_rate);
sess->node->rt.quantum->size = sess->quantum_size;
pw_log_info("module %p: driver node:%p quantum:%d/%d",
impl, sess->node, sess->sample_rate, quantum_size);
}
static void node_info_destroy(void *data)
{
struct node_info *info = data;
struct session *session = info->session;
node_info_free(info);
reconfigure_session(session);
}
static const struct pw_node_events node_info_events = {
PW_VERSION_NODE_EVENTS,
.destroy = node_info_destroy,
};
static int link_session_dsp(struct session *session)
{
struct impl *impl = session->impl;
struct pw_port *op, *ip;
char *error = NULL;
pw_log_debug("module %p: link session dsp '%d'", impl, session->id);
if (session->direction == PW_DIRECTION_OUTPUT) {
op = session->dsp_port;
ip = session->node_port;
}
else {
op = session->node_port;
ip = session->dsp_port;
}
session->link = pw_link_new(impl->core,
op,
ip,
NULL,
pw_properties_new(PW_LINK_PROP_PASSIVE, "true", NULL),
&error, 0);
if (session->link == NULL) {
pw_log_error("can't create link: %s", error);
free(error);
return -ENOMEM;
}
pw_link_register(session->link, NULL, pw_module_get_global(impl->module), NULL);
reconfigure_session(session);
return 0;
}
struct find_data {
struct impl *impl;
uint32_t path_id;
const char *media_class;
struct session *sess;
bool exclusive;
uint64_t plugged;
};
static int find_session(void *data, struct session *sess)
{
struct find_data *find = data;
struct impl *impl = find->impl;
const struct pw_properties *props;
const char *str;
uint64_t plugged = 0;
pw_log_debug("module %p: looking at session '%d' enabled:%d busy:%d exclusive:%d",
impl, sess->id, sess->enabled, sess->busy, sess->exclusive);
if (!sess->enabled)
return 0;
if (find->path_id != SPA_ID_INVALID && sess->id != find->path_id)
return 0;
if (find->path_id == SPA_ID_INVALID) {
if ((props = pw_node_get_properties(sess->node)) == NULL)
return 0;
if ((str = pw_properties_get(props, "media.class")) == NULL)
return 0;
if (strcmp(str, find->media_class) != 0)
return 0;
plugged = sess->plugged;
}
if ((find->exclusive && sess->busy) || sess->exclusive) {
pw_log_debug("module %p: session in use", impl);
return 0;
}
pw_log_debug("module %p: found session '%d' %" PRIu64, impl,
sess->id, plugged);
if (find->sess == NULL || plugged > find->plugged) {
pw_log_debug("module %p: new best %" PRIu64, impl, plugged);
find->sess = sess;
find->plugged = plugged;
}
return 0;
}
static uint32_t flp2(uint32_t x)
{
x = x | (x >> 1);
x = x | (x >> 2);
x = x | (x >> 4);
x = x | (x >> 8);
x = x | (x >> 16);
return x - (x >> 1);
}
static int handle_autoconnect(struct impl *impl, struct pw_node *node,
const struct pw_properties *props)
{
struct pw_node *peer;
const char *media, *category, *role, *str;
bool exclusive;
struct find_data find;
enum pw_direction direction;
struct session *session;
struct node_info *info;
uint32_t sample_rate, quantum_size;
int res;
str = pw_properties_get(props, PW_NODE_PROP_AUTOCONNECT);
if (str == NULL || !pw_properties_parse_bool(str))
return 0;
if ((media = pw_properties_get(props, PW_NODE_PROP_MEDIA)) == NULL)
media = "Audio";
if ((category = pw_properties_get(props, PW_NODE_PROP_CATEGORY)) == NULL) {
if (node->info.n_input_ports > 0 && node->info.n_output_ports == 0)
category = "Capture";
else if (node->info.n_output_ports > 0 && node->info.n_input_ports == 0)
category = "Playback";
else
return -EINVAL;
}
if ((role = pw_properties_get(props, PW_NODE_PROP_ROLE)) == NULL)
role = "Music";
if ((str = pw_properties_get(props, PW_NODE_PROP_EXCLUSIVE)) != NULL)
exclusive = pw_properties_parse_bool(str);
else
exclusive = false;
if (strcmp(media, "Audio") == 0) {
if (strcmp(category, "Playback") == 0)
find.media_class = "Audio/Sink";
else if (strcmp(category, "Capture") == 0)
find.media_class = "Audio/Source";
else
return -EINVAL;
}
else if (strcmp(media, "Video") == 0) {
if (strcmp(category, "Capture") == 0)
find.media_class = "Video/Source";
else
return -EINVAL;
}
else
return -EINVAL;
str = pw_properties_get(props, PW_NODE_PROP_TARGET_NODE);
if (str != NULL)
find.path_id = atoi(str);
else
find.path_id = SPA_ID_INVALID;
pw_log_info("module %p: '%s' '%s' '%s' exclusive:%d target %d", impl,
media, category, role, exclusive, find.path_id);
find.impl = impl;
find.sess = NULL;
find.plugged = 0;
find.exclusive = exclusive;
spa_list_for_each(session, &impl->session_list, l)
find_session(&find, session);
if (find.sess == NULL)
return -ENOENT;
session = find.sess;
sample_rate = session->sample_rate;
quantum_size = session->quantum_size;
if ((str = pw_properties_get(props, "node.latency")) != NULL) {
uint32_t num, denom;
pw_log_info("module %p: '%s'", impl, str);
if (sscanf(str, "%u/%u", &num, &denom) == 2 && denom != 0) {
quantum_size = flp2((num * sample_rate / denom));
}
}
if (strcmp(category, "Capture") == 0)
direction = PW_DIRECTION_OUTPUT;
else if (strcmp(category, "Playback") == 0)
direction = PW_DIRECTION_INPUT;
else
return -EINVAL;
if (exclusive || session->dsp == NULL) {
if (exclusive && session->busy) {
pw_log_warn("session busy, can't get exclusive access");
return -EBUSY;
}
if (session->link != NULL) {
pw_log_warn("session busy with DSP");
return -EBUSY;
}
peer = session->node;
session->exclusive = exclusive;
}
else {
if (session->link == NULL) {
if ((res = link_session_dsp(session)) < 0)
return res;
}
peer = session->dsp;
}
pw_log_debug("module %p: linking to session '%d'", impl, session->id);
info = calloc(1, sizeof(struct node_info));
info->impl = impl;
info->session = session;
info->node = node;
info->sample_rate = sample_rate;
info->quantum_size = quantum_size;
spa_list_init(&info->links);
spa_list_append(&session->node_list, &info->l);
session->busy = true;
pw_node_add_listener(node, &info->node_listener, &node_info_events, info);
pw_node_for_each_port(peer, direction, on_peer_port, info);
reconfigure_session(session);
return 1;
}
static void node_destroy(void *data)
{
struct session *sess = data;
session_destroy(sess);
}
static const struct pw_node_events node_events = {
PW_VERSION_NODE_EVENTS,
.destroy = node_destroy,
};
static void
dsp_state_changed(void *data, enum pw_node_state old,
enum pw_node_state state, const char *error)
{
struct session *sess = data;
switch(state) {
case PW_NODE_STATE_RUNNING:
if (sess->link == NULL) {
if (link_session_dsp(sess) < 0)
return;
pw_link_activate(sess->link);
}
break;
case PW_NODE_STATE_SUSPENDED:
if (sess->link != NULL) {
pw_link_destroy(sess->link);
sess->link = NULL;
}
break;
default:
break;
}
}
static const struct pw_node_events dsp_events = {
PW_VERSION_NODE_EVENTS,
.state_changed = dsp_state_changed,
};
struct channel_data {
struct impl *impl;
uint32_t channels;
uint64_t channelmask;
uint32_t rate;
};
static int collect_audio_format(void *data, uint32_t id,
uint32_t index, uint32_t next, struct spa_pod *param)
{
struct channel_data *d = data;
uint32_t media_type, media_subtype;
struct spa_audio_info_raw info;
if (spa_format_parse(param, &media_type, &media_subtype) < 0)
return 0;
if (media_type != SPA_MEDIA_TYPE_audio ||
media_subtype != SPA_MEDIA_SUBTYPE_raw)
return 0;
spa_pod_fixate(param);
spa_debug_format(0, NULL, param);
if (spa_format_audio_raw_parse(param, &info) < 0)
return 0;
if (info.channels > d->channels) {
d->channels = info.channels;
d->rate = info.rate;
}
return 0;
}
static int find_port_format(struct impl *impl, struct pw_port *port,
uint32_t *channels, uint64_t *channelmask, uint32_t *rate)
{
struct channel_data data = { impl, 0, 0 };
pw_port_for_each_param(port,
SPA_PARAM_EnumFormat,
0, 0, NULL,
collect_audio_format, &data);
pw_log_debug("port channels %d %"PRIu64" rate %d", data.channels, data.channelmask, data.rate);
*channels = data.channels;
*channelmask = data.channelmask;
*rate = data.rate;
return data.channels > 0 ? 0 : -1;
}
static int on_global(void *data, struct pw_global *global)
{
struct impl *impl = data;
struct pw_node *node, *dsp;
struct session *sess;
const struct pw_properties *properties;
const char *str;
enum pw_direction direction;
struct pw_port *node_port, *dsp_port;
uint32_t id, channels, rate;
uint64_t channelmask;
bool need_dsp;
uint64_t plugged;
if (pw_global_get_type(global) != PW_TYPE_INTERFACE_Node)
return 0;
node = pw_global_get_object(global);
id = pw_global_get_id(global);
pw_log_debug("global added %d", id);
properties = pw_node_get_properties(node);
if ((str = pw_properties_get(properties, "node.plugged")) != NULL)
plugged = pw_properties_parse_uint64(str);
else
plugged = impl->now.tv_sec * SPA_NSEC_PER_SEC + impl->now.tv_nsec;
if (handle_autoconnect(impl, node, properties) == 1) {
return 0;
}
else if ((str = pw_properties_get(properties, "media.class")) == NULL)
return 0;
if (strstr(str, "Audio/") == str) {
need_dsp = true;
str += strlen("Audio/");
}
else if (strstr(str, "Video/") == str) {
need_dsp = false;
str += strlen("Video/");
}
else
return 0;
if (strcmp(str, "Sink") == 0)
direction = PW_DIRECTION_OUTPUT;
else if (strcmp(str, "Source") == 0)
direction = PW_DIRECTION_INPUT;
else
return 0;
if ((node_port = pw_node_find_port(node, pw_direction_reverse(direction), SPA_ID_INVALID)) == NULL)
return 0;
sess = calloc(1, sizeof(struct session));
sess->impl = impl;
sess->direction = direction;
sess->id = id;
sess->node = node;
sess->node_port = node_port;
sess->plugged = plugged;
spa_list_init(&sess->node_list);
spa_list_append(&impl->session_list, &sess->l);
pw_log_debug("new session %p for node %d", sess, id);
pw_node_add_listener(node, &sess->node_listener, &node_events, sess);
if (need_dsp) {
if (find_port_format(impl, node_port, &channels, &channelmask, &rate) < 0)
return 0;
dsp = pw_audio_dsp_new(impl->core,
properties,
direction,
channels,
channelmask,
rate,
MAX_QUANTUM_SIZE * sizeof(float),
0);
if (dsp == NULL)
return 0;
if ((dsp_port = pw_node_find_port(dsp, direction, SPA_ID_INVALID)) == NULL)
return 0;
pw_node_add_listener(dsp, &sess->dsp_listener, &dsp_events, sess);
sess->dsp = dsp;
sess->dsp_port = dsp_port;
sess->sample_rate = rate;
sess->quantum_size = MAX_QUANTUM_SIZE;
sess->enabled = true;
pw_node_register(dsp, NULL, pw_module_get_global(impl->module), NULL);
pw_node_set_active(dsp, true);
}
else {
sess->enabled = true;
}
return 0;
}
static void module_destroy(void *data)
{
struct impl *impl = data;
struct session *s, *t;
spa_hook_remove(&impl->module_listener);
spa_hook_remove(&impl->core_listener);
spa_list_for_each_safe(s, t, &impl->session_list, l)
session_destroy(s);
if (impl->properties)
pw_properties_free(impl->properties);
free(impl);
}
static const struct pw_module_events module_events = {
PW_VERSION_MODULE_EVENTS,
.destroy = module_destroy,
};
static void
core_global_added(void *data, struct pw_global *global)
{
struct impl *impl = data;
clock_gettime(CLOCK_MONOTONIC, &impl->now);
on_global(data, global);
}
static const struct pw_core_events core_events = {
PW_VERSION_CORE_EVENTS,
.global_added = core_global_added,
};
static int module_init(struct pw_module *module, struct pw_properties *properties)
{
struct pw_core *core = pw_module_get_core(module);
struct impl *impl;
impl = calloc(1, sizeof(struct impl));
if (impl == NULL)
return -ENOMEM;
pw_log_debug("module %p: new", impl);
impl->core = core;
impl->module = module;
impl->properties = properties;
spa_list_init(&impl->session_list);
clock_gettime(CLOCK_MONOTONIC, &impl->now);
pw_core_for_each_global(core, on_global, impl);
pw_core_add_listener(core, &impl->core_listener, &core_events, impl);
pw_module_add_listener(module, &impl->module_listener, &module_events, impl);
pw_module_update_properties(module, &SPA_DICT_INIT_ARRAY(module_props));
return 0;
}
int pipewire__module_init(struct pw_module *module, const char *args)
{
return module_init(module, NULL);
}

224
src/modules/module-suspend-on-idle.c
View file

@ -1,224 +0,0 @@
/* PipeWire
* Copyright (C) 2015 Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include "config.h"
#include "pipewire/core.h"
#include "pipewire/log.h"
#include "pipewire/type.h"
#include "pipewire/module.h"
#include "pipewire/private.h"
static const struct spa_dict_item module_props[] = {
{ PW_MODULE_PROP_AUTHOR, "Wim Taymans <wim.taymans@gmail.com>" },
{ PW_MODULE_PROP_DESCRIPTION, "Suspend nodes when not in use" },
{ PW_MODULE_PROP_VERSION, PACKAGE_VERSION },
};
struct impl {
struct pw_core *core;
struct pw_properties *properties;
struct spa_hook module_listener;
struct spa_hook core_listener;
struct spa_list node_list;
};
struct node_info {
struct spa_list link;
struct impl *impl;
struct pw_node *node;
struct spa_hook node_listener;
struct spa_source *idle_timeout;
};
static struct node_info *find_node_info(struct impl *impl, struct pw_node *node)
{
struct node_info *info;
spa_list_for_each(info, &impl->node_list, link) {
if (info->node == node)
return info;
}
return NULL;
}
static void remove_idle_timeout(struct node_info *info)
{
if (info->idle_timeout) {
pw_loop_destroy_source(pw_core_get_main_loop(info->impl->core), info->idle_timeout);
info->idle_timeout = NULL;
}
}
static void node_info_free(struct node_info *info)
{
spa_list_remove(&info->link);
remove_idle_timeout(info);
spa_hook_remove(&info->node_listener);
free(info);
}
static void idle_timeout(void *data, uint64_t expirations)
{
struct node_info *info = data;
pw_log_debug("module %p: node %p idle timeout", info->impl, info->node);
remove_idle_timeout(info);
pw_node_set_state(info->node, PW_NODE_STATE_SUSPENDED);
}
static void
node_state_request(void *data, enum pw_node_state state)
{
struct node_info *info = data;
remove_idle_timeout(info);
}
static void
node_state_changed(void *data, enum pw_node_state old, enum pw_node_state state, const char *error)
{
struct node_info *info = data;
struct impl *impl = info->impl;
if (state != PW_NODE_STATE_IDLE) {
remove_idle_timeout(info);
} else {
struct timespec value;
struct pw_loop *main_loop = pw_core_get_main_loop(impl->core);
pw_log_debug("module %p: node %p became idle", impl, info->node);
info->idle_timeout = pw_loop_add_timer(main_loop, idle_timeout, info);
value.tv_sec = 3;
value.tv_nsec = 0;
pw_loop_update_timer(main_loop, info->idle_timeout, &value, NULL, false);
}
}
static const struct pw_node_events node_events = {
PW_VERSION_NODE_EVENTS,
.state_request = node_state_request,
.state_changed = node_state_changed,
};
static void
core_global_added(void *data, struct pw_global *global)
{
struct impl *impl = data;
if (pw_global_get_type(global) == PW_TYPE_INTERFACE_Node) {
struct pw_node *node = pw_global_get_object(global);
struct node_info *info;
info = calloc(1, sizeof(struct node_info));
info->impl = impl;
info->node = node;
spa_list_append(&impl->node_list, &info->link);
pw_node_add_listener(node, &info->node_listener, &node_events, info);
pw_log_debug("module %p: node %p added", impl, node);
}
}
static void
core_global_removed(void *data, struct pw_global *global)
{
struct impl *impl = data;
if (pw_global_get_type(global) == PW_TYPE_INTERFACE_Node) {
struct pw_node *node = pw_global_get_object(global);
struct node_info *info;
if ((info = find_node_info(impl, node)))
node_info_free(info);
pw_log_debug("module %p: node %p removed", impl, node);
}
}
static void module_destroy(void *data)
{
struct impl *impl = data;
struct node_info *info, *t;
spa_list_for_each_safe(info, t, &impl->node_list, link)
node_info_free(info);
spa_hook_remove(&impl->core_listener);
spa_hook_remove(&impl->module_listener);
if (impl->properties)
pw_properties_free(impl->properties);
free(impl);
}
const struct pw_module_events module_events = {
PW_VERSION_MODULE_EVENTS,
.destroy = module_destroy,
};
const struct pw_core_events core_events = {
PW_VERSION_CORE_EVENTS,
.global_added = core_global_added,
.global_removed = core_global_removed,
};
/**
* module_new:
* @core: #struct pw_core
* @properties: #struct pw_properties
*
* Make a new #struct impl object with given @properties
*
* Returns: a new #struct impl
*/
static int module_init(struct pw_module *module, struct pw_properties *properties)
{
struct impl *impl;
impl = calloc(1, sizeof(struct impl));
if (impl == NULL)
return -ENOMEM;
pw_log_debug("module %p: new", impl);
impl->core = pw_module_get_core(module);
impl->properties = properties;
spa_list_init(&impl->node_list);
pw_module_add_listener(module, &impl->module_listener, &module_events, impl);
pw_core_add_listener(impl->core, &impl->core_listener, &core_events, impl);
pw_module_update_properties(module, &SPA_DICT_INIT_ARRAY(module_props));
return 0;
}
int pipewire__module_init(struct pw_module *module, const char *args)
{
return module_init(module, NULL);
}