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media-session: add conf file for v4l2 and bluez as well

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This commit is contained in:
Wim Taymans 2021-01-12 20:38:47 +01:00
parent 4cba8fc7e9
commit fac80e76d2
9 changed files with 292 additions and 116 deletions
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2
src/daemon/media-session.d/alsa-monitor.conf
View file

@ -46,6 +46,7 @@ rules = [
#node.nick = null
#priority.driver = 100
#priority.session = 100
#node.pause-on-idle = true
#resample.quality = 4
#channelmix.normalize = false
#channelmix.mix-lfe = false
@ -56,4 +57,3 @@ rules = [
}
}
]

48
src/daemon/media-session.d/bluez-monitor.conf Normal file
View file

@ -0,0 +1,48 @@
# bluez-monitor config file
properties = {
}
rules = [
# an array of matches/actions to evaluate
{
# rules for matching a device or node. It is an array of
# properties that all need to match the regexp. If any of the
# matches work, the actions are executed for the object.
matches = [
{
# this matches all cards
device.name = ~bluez_card.*
}
]
actions = {
# actions can update properties on the matched object.
update-props = {
#device.nick = "My Device"
}
}
}
{
matches = [
{
# matches all sinks
node.name = ~bluez_input.*
}
{
# matches all sources
node.name = ~bluez_output.*
}
]
actions = {
update-props = {
#node.nick = "My Node"
#node.nick = null
#priority.driver = 100
#priority.session = 100
#node.pause-on-idle = true
#resample.quality = 4
#channelmix.normalize = false
#channelmix.mix-lfe = false
}
}
}
]

45
src/daemon/media-session.d/v4l2-monitor.conf Normal file
View file

@ -0,0 +1,45 @@
# v4l2-monitor config file
properties = {
}
rules = [
# an array of matches/actions to evaluate
{
# rules for matching a device or node. It is an array of
# properties that all need to match the regexp. If any of the
# matches work, the actions are executed for the object.
matches = [
{
# this matches all devices
device.name = ~v4l2_device.*
}
]
actions = {
# actions can update properties on the matched object.
update-props = {
#device.nick = "My Device"
}
}
}
{
matches = [
{
# matches all sinks
node.name = ~api.v4l2.sink.*
}
{
# matches all sources
node.name = ~api.v4l2.source.*
}
]
actions = {
update-props = {
#node.nick = "My Node"
#node.nick = null
#priority.driver = 100
#priority.session = 100
#node.pause-on-idle = true
}
}
}
]

117
src/examples/media-session/alsa-monitor.c
View file

@ -202,118 +202,13 @@ static const struct sm_object_methods node_methods = {
.release = node_release,
};
static bool find_match(struct spa_json *arr, struct pw_properties *props)
{
struct spa_json it[1];
while (spa_json_enter_object(arr, &it[0]) > 0) {
char key[256], val[1024];
const char *str, *value;
int match = 0, fail = 0;
int len;
while (spa_json_get_string(&it[0], key, sizeof(key)-1) > 0) {
bool success = false;
if ((len = spa_json_next(&it[0], &value)) <= 0)
break;
if (key[0] == '#')
continue;
str = pw_properties_get(props, key);
if (spa_json_is_null(value, len)) {
success = str == NULL;
} else {
spa_json_parse_string(value, SPA_MIN(len, 1024), val);
value = val;
len = strlen(val);
}
if (str != NULL) {
if (value[0] == '~') {
regex_t preg;
if (regcomp(&preg, value+1, REG_EXTENDED | REG_NOSUB) == 0) {
if (regexec(&preg, str, 0, NULL, 0) == 0)
success = true;
regfree(&preg);
}
} else if (strncmp(str, value, len) == 0) {
success = true;
}
}
if (success) {
match++;
pw_log_debug("'%s' match '%s' < > '%.*s'", key, str, len, value);
}
else
fail++;
}
if (match > 0 && fail == 0)
return true;
}
return false;
}
static int apply_matches(struct impl *impl, struct pw_properties *props)
{
const char *rules, *val;
struct spa_json it[4], actions;;
if ((rules = pw_properties_get(impl->conf, "rules")) == NULL)
return 0;
spa_json_init(&it[0], rules, strlen(rules));
if (spa_json_enter_array(&it[0], &it[1]) < 0)
return 0;
while (spa_json_enter_object(&it[1], &it[2]) > 0) {
char key[64];
bool have_match = false, have_actions = false;
while (spa_json_get_string(&it[2], key, sizeof(key)-1) > 0) {
if (strcmp(key, "matches") == 0) {
if (spa_json_enter_array(&it[2], &it[3]) < 0)
break;
have_match = find_match(&it[3], props);
}
else if (strcmp(key, "actions") == 0) {
if (spa_json_enter_object(&it[2], &actions) > 0)
have_actions = true;
}
else if (spa_json_next(&it[2], &val) <= 0)
break;
}
if (!have_match || !have_actions)
continue;
while (spa_json_get_string(&actions, key, sizeof(key)-1) > 0) {
int len;
pw_log_debug("action %s", key);
if (strcmp(key, "update-props") == 0) {
if ((len = spa_json_next(&actions, &val)) <= 0)
continue;
if (!spa_json_is_object(val, len))
continue;
len = spa_json_container_len(&actions, val, len);
pw_properties_update_string(props, val, len);
}
else if (spa_json_next(&actions, &val) <= 0)
break;
}
}
return 1;
}
static struct node *alsa_create_node(struct device *device, uint32_t id,
const struct spa_device_object_info *info)
{
struct node *node;
struct impl *impl = device->impl;
int res;
const char *dev, *subdev, *stream, *profile, *profile_desc;
const char *dev, *subdev, *stream, *profile, *profile_desc, *rules;
int i, priority;
pw_log_debug("new node %u", id);
@ -443,7 +338,8 @@ static struct node *alsa_create_node(struct device *device, uint32_t id,
node->device = device;
node->id = id;
apply_matches(impl, node->props);
if ((rules = pw_properties_get(impl->conf, "rules")) != NULL)
sm_media_session_match_rules(rules, strlen(rules), node->props);
node->snode = sm_media_session_create_node(impl->session,
"adapter",
@ -946,7 +842,7 @@ static struct device *alsa_create_device(struct impl *impl, uint32_t id,
{
struct device *device;
int res;
const char *str, *card;
const char *str, *card, *rules;
pw_log_debug("new device %u", id);
@ -971,7 +867,8 @@ static struct device *alsa_create_device(struct impl *impl, uint32_t id,
device->pending_profile = 1;
spa_list_append(&impl->device_list, &device->link);
apply_matches(impl, device->props);
if ((rules = pw_properties_get(impl->conf, "rules")) != NULL)
sm_media_session_match_rules(rules, strlen(rules), device->props);
str = pw_properties_get(device->props, "api.alsa.use-acp");
device->use_acp = str ? pw_properties_parse_bool(str) : true;
@ -1101,7 +998,7 @@ int sm_alsa_monitor_start(struct sm_media_session *session)
impl->conf = pw_properties_new(NULL, NULL);
if (impl->conf == NULL) {
free(impl);
return -ENOMEM;
return -errno;
}
if ((res = sm_media_session_load_conf(impl->session,

29
src/examples/media-session/bluez-monitor.c
View file

@ -47,7 +47,8 @@
#include "pipewire/impl.h"
#include "media-session.h"
#define NAME "bluez5-monitor"
#define NAME "bluez5-monitor"
#define SESSION_CONF "bluez-monitor.conf"
struct device;
@ -91,6 +92,8 @@ struct impl {
struct sm_media_session *session;
struct spa_hook session_listener;
struct pw_properties *conf;
struct spa_handle *handle;
struct spa_device *monitor;
@ -127,7 +130,7 @@ static struct node *bluez5_create_node(struct device *device, uint32_t id,
struct pw_context *context = impl->session->context;
struct pw_impl_factory *factory;
int res;
const char *prefix, *str, *profile;
const char *prefix, *str, *profile, *rules;
pw_log_debug("new node %u", id);
@ -164,9 +167,9 @@ static struct node *bluez5_create_node(struct device *device, uint32_t id,
str = pw_properties_get(device->props, SPA_KEY_DEVICE_NAME);
if (strstr(info->factory_name, "sink") != NULL)
prefix = "bluez_sink";
prefix = "bluez_input";
else if (strstr(info->factory_name, "source") != NULL)
prefix = "bluez_source";
prefix = "bluez_output";
else
prefix = info->factory_name;
@ -177,6 +180,9 @@ static struct node *bluez5_create_node(struct device *device, uint32_t id,
node->device = device;
node->id = id;
if ((rules = pw_properties_get(impl->conf, "rules")) != NULL)
sm_media_session_match_rules(rules, strlen(rules), node->props);
factory = pw_context_find_factory(context, "adapter");
if (factory == NULL) {
pw_log_error("no adapter factory found");
@ -370,6 +376,7 @@ static struct device *bluez5_create_device(struct impl *impl, uint32_t id,
struct spa_handle *handle;
int res;
void *iface;
const char *rules;
pw_log_debug("new device %u", id);
@ -412,6 +419,8 @@ static struct device *bluez5_create_device(struct impl *impl, uint32_t id,
spa_list_init(&device->node_list);
if ((rules = pw_properties_get(impl->conf, "rules")) != NULL)
sm_media_session_match_rules(rules, strlen(rules), device->props);
sm_object_add_listener(&device->sdevice->obj,
&device->listener,
@ -482,6 +491,7 @@ static void session_destroy(void *data)
spa_hook_remove(&impl->session_listener);
spa_hook_remove(&impl->listener);
pw_unload_spa_handle(impl->handle);
pw_properties_free(impl->conf);
free(impl);
}
@ -515,12 +525,21 @@ int sm_bluez5_monitor_start(struct sm_media_session *session)
res = -errno;
goto out_unload;
}
impl->conf = pw_properties_new(NULL, NULL);
if (impl->conf == NULL) {
res = -errno;
goto out_free;
}
impl->session = session;
impl->handle = handle;
impl->monitor = iface;
spa_list_init(&impl->device_list);
if ((res = sm_media_session_load_conf(impl->session,
SESSION_CONF, impl->conf)) < 0)
pw_log_info("can't load "SESSION_CONF" config: %s", spa_strerror(res));
spa_device_add_listener(impl->monitor, &impl->listener,
&bluez5_enum_callbacks, impl);
@ -529,6 +548,8 @@ int sm_bluez5_monitor_start(struct sm_media_session *session)
return 0;
out_free:
free(impl);
out_unload:
pw_unload_spa_handle(handle);
out:

139
src/examples/media-session/match-rules.c Normal file
View file

@ -0,0 +1,139 @@
/* PipeWire
*
* Copyright © 2020 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 <string.h>
#include <stdio.h>
#include <errno.h>
#include <math.h>
#include <time.h>
#include <regex.h>
#include "config.h"
#include <spa/utils/json.h>
#include <pipewire/pipewire.h>
#include "media-session.h"
static bool find_match(struct spa_json *arr, struct pw_properties *props)
{
struct spa_json it[1];
while (spa_json_enter_object(arr, &it[0]) > 0) {
char key[256], val[1024];
const char *str, *value;
int match = 0, fail = 0;
int len;
while (spa_json_get_string(&it[0], key, sizeof(key)-1) > 0) {
bool success = false;
if ((len = spa_json_next(&it[0], &value)) <= 0)
break;
if (key[0] == '#')
continue;
str = pw_properties_get(props, key);
if (spa_json_is_null(value, len)) {
success = str == NULL;
} else {
spa_json_parse_string(value, SPA_MIN(len, 1024), val);
value = val;
len = strlen(val);
}
if (str != NULL) {
if (value[0] == '~') {
regex_t preg;
if (regcomp(&preg, value+1, REG_EXTENDED | REG_NOSUB) == 0) {
if (regexec(&preg, str, 0, NULL, 0) == 0)
success = true;
regfree(&preg);
}
} else if (strncmp(str, value, len) == 0) {
success = true;
}
}
if (success) {
match++;
pw_log_debug("'%s' match '%s' < > '%.*s'", key, str, len, value);
}
else
fail++;
}
if (match > 0 && fail == 0)
return true;
}
return false;
}
int sm_media_session_match_rules(const char *rules, size_t size, struct pw_properties *props)
{
const char *val;
struct spa_json it[4], actions;;
spa_json_init(&it[0], rules, size);
if (spa_json_enter_array(&it[0], &it[1]) < 0)
return 0;
while (spa_json_enter_object(&it[1], &it[2]) > 0) {
char key[64];
bool have_match = false, have_actions = false;
while (spa_json_get_string(&it[2], key, sizeof(key)-1) > 0) {
if (strcmp(key, "matches") == 0) {
if (spa_json_enter_array(&it[2], &it[3]) < 0)
break;
have_match = find_match(&it[3], props);
}
else if (strcmp(key, "actions") == 0) {
if (spa_json_enter_object(&it[2], &actions) > 0)
have_actions = true;
}
else if (spa_json_next(&it[2], &val) <= 0)
break;
}
if (!have_match || !have_actions)
continue;
while (spa_json_get_string(&actions, key, sizeof(key)-1) > 0) {
int len;
pw_log_debug("action %s", key);
if (strcmp(key, "update-props") == 0) {
if ((len = spa_json_next(&actions, &val)) <= 0)
continue;
if (!spa_json_is_object(val, len))
continue;
len = spa_json_container_len(&actions, val, len);
pw_properties_update_string(props, val, len);
}
else if (spa_json_next(&actions, &val) <= 0)
break;
}
}
return 1;
}

3
src/examples/media-session/media-session.h
View file

@ -297,6 +297,9 @@ int sm_media_session_load_state(struct sm_media_session *sess,
int sm_media_session_save_state(struct sm_media_session *sess,
const char *name, const char *prefix, const struct pw_properties *props);
int sm_media_session_match_rules(const char *rules, size_t size,
struct pw_properties *props);
#ifdef __cplusplus
}
#endif

24
src/examples/media-session/v4l2-monitor.c
View file

@ -43,6 +43,8 @@
#include "media-session.h"
#define SESSION_CONF "v4l2-monitor.conf"
struct device;
struct node {
@ -83,6 +85,8 @@ struct impl {
struct sm_media_session *session;
struct spa_hook session_listener;
struct pw_properties *conf;
struct spa_handle *handle;
struct spa_device *monitor;
struct spa_hook listener;
@ -123,7 +127,7 @@ static struct node *v4l2_create_node(struct device *dev, uint32_t id,
struct node *node;
struct impl *impl = dev->impl;
int i, res;
const char *str, *d;
const char *str, *d, *rules;
pw_log_debug("new node %u", id);
@ -168,6 +172,9 @@ static struct node *v4l2_create_node(struct device *dev, uint32_t id,
pw_properties_set(node->props, PW_KEY_FACTORY_NAME, info->factory_name);
if ((rules = pw_properties_get(impl->conf, "rules")) != NULL)
sm_media_session_match_rules(rules, strlen(rules), dev->props);
node->impl = impl;
node->device = dev;
node->id = id;
@ -383,6 +390,7 @@ static struct device *v4l2_create_device(struct impl *impl, uint32_t id,
struct spa_handle *handle;
int res;
void *iface;
const char *rules;
pw_log_debug("new device %u", id);
@ -418,6 +426,9 @@ static struct device *v4l2_create_device(struct impl *impl, uint32_t id,
dev->props = pw_properties_new_dict(info->props);
v4l2_update_device_props(dev);
if ((rules = pw_properties_get(impl->conf, "rules")) != NULL)
sm_media_session_match_rules(rules, strlen(rules), dev->props);
dev->sdevice = sm_media_session_export_device(impl->session,
&dev->props->dict, dev->device);
@ -485,6 +496,7 @@ static void session_destroy(void *data)
spa_hook_remove(&impl->session_listener);
spa_hook_remove(&impl->listener);
pw_unload_spa_handle(impl->handle);
pw_properties_free(impl->conf);
free(impl);
}
@ -504,6 +516,11 @@ int sm_v4l2_monitor_start(struct sm_media_session *sess)
if (impl == NULL)
return -errno;
impl->conf = pw_properties_new(NULL, NULL);
if (impl->conf == NULL) {
res = -errno;
goto out_free;
}
impl->session = sess;
impl->handle = pw_context_load_spa_handle(context, SPA_NAME_API_V4L2_ENUM_UDEV, NULL);
@ -517,9 +534,14 @@ int sm_v4l2_monitor_start(struct sm_media_session *sess)
goto out_unload;
}
impl->monitor = iface;
spa_list_init(&impl->device_list);
if ((res = sm_media_session_load_conf(impl->session,
SESSION_CONF, impl->conf)) < 0)
pw_log_info("can't load "SESSION_CONF" config: %s", spa_strerror(res));
spa_device_add_listener(impl->monitor, &impl->listener,
&v4l2_udev_callbacks, impl);

1
src/examples/meson.build
View file

@ -79,6 +79,7 @@ if alsa_dep.found()
'media-session/default-routes.c',
'media-session/media-session.c',
'media-session/session-manager.c',
'media-session/match-rules.c',
'media-session/metadata.c',
'media-session/stream-endpoint.c',
'media-session/restore-stream.c',