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move audio-dsp to audio-session

Browse source 
Make a new module audio-session that manages clients and what audio
sessions they use.
Move the audio-dsp to the audio-session
This commit is contained in:
Wim Taymans 2018-05-08 10:45:50 +02:00
parent 7bb0e4da85
commit eb96ed45d7
5 changed files with 840 additions and 224 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/daemon/pipewire.conf.in
View file

@ -6,9 +6,9 @@ load-module libpipewire-module-spa-monitor alsa/libspa-alsa alsa-monitor alsa
load-module libpipewire-module-spa-monitor v4l2/libspa-v4l2 v4l2-monitor v4l2
#load-module libpipewire-module-spa-monitor bluez5/libspa-bluez5 bluez5-monitor bluez5
#load-module libpipewire-module-spa-node videotestsrc/libspa-videotestsrc videotestsrc videotestsrc Spa:POD:Object:Props:patternType=Spa:POD:Object:Props:patternType:snow
load-module libpipewire-module-autolink
#load-module libpipewire-module-autolink
#load-module libpipewire-module-mixer
load-module libpipewire-module-client-node
load-module libpipewire-module-flatpak
load-module libpipewire-module-audio-dsp
load-module libpipewire-module-audio-session
load-module libpipewire-module-link-factory

6
src/modules/meson.build
View file

@ -91,8 +91,10 @@ pipewire_module_protocol_native = shared_library('pipewire-module-protocol-nativ
dependencies : [mathlib, dl_lib, pipewire_dep],
)
pipewire_module_audio_dsp = shared_library('pipewire-module-audio-dsp',
[ 'module-audio-dsp.c', 'spa/spa-node.c' ],
pipewire_module_audio_session = shared_library('pipewire-module-audio-session',
[ 'module-audio-session.c',
'module-audio-session/audio-dsp.c',
'spa/spa-node.c' ],
c_args : pipewire_module_c_args,
include_directories : [configinc, spa_inc],
link_with : spalib,

723
src/modules/module-audio-session.c Normal file
View file

@ -0,0 +1,723 @@
/* 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/lib/pod.h>
#include <spa/lib/debug.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-audio-session/audio-dsp.h"
#define DEFAULT_CHANNELS 2
#define DEFAULT_SAMPLE_RATE 44100
#define DEFAULT_BUFFER_SIZE 64
#define MAX_BUFFER_SIZE 2048
struct type {
struct spa_type_media_type media_type;
struct spa_type_media_subtype media_subtype;
struct spa_type_format_audio format_audio;
struct spa_type_audio_format audio_format;
struct spa_type_media_subtype_audio media_subtype_audio;
};
static inline void init_type(struct type *type, struct spa_type_map *map)
{
spa_type_media_type_map(map, &type->media_type);
spa_type_media_subtype_map(map, &type->media_subtype);
spa_type_format_audio_map(map, &type->format_audio);
spa_type_audio_format_map(map, &type->audio_format);
spa_type_media_subtype_audio_map(map, &type->media_subtype_audio);
}
struct impl {
struct type type;
struct pw_core *core;
struct pw_type *t;
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;
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;
int sample_rate;
int buffer_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 buffer_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;
};
/** \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);
spa_list_for_each_safe(ni, t, &sess->node_list, l)
node_info_free(ni);
pw_node_destroy(sess->dsp);
}
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 (cin->prop_id == cout->prop_id) {
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 (cin->prop_id == cout->prop_id) {
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;
p = pw_node_get_free_port(info->node, pw_direction_reverse(port->direction));
if (p == NULL)
return 0;
return link_ports(info, p, port);
}
static void reconfigure_session(struct session *sess)
{
struct node_info *ni;
uint32_t buffer_size = 1024;
spa_list_for_each(ni, &sess->node_list, l)
buffer_size = SPA_MIN(buffer_size, ni->buffer_size);
sess->buffer_size = buffer_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;
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);
return 0;
}
struct find_data {
struct impl *impl;
uint32_t path_id;
const char *media_class;
struct session *sess;
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'", impl, sess->id);
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;
if ((str = pw_properties_get(props, "node.plugged")) != NULL)
plugged = pw_properties_parse_uint64(str);
}
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 void 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, buffer_size;
sample_rate = 44100;
buffer_size = 1024;
if ((media = pw_properties_get(props, PW_NODE_PROP_MEDIA)) == NULL)
media = "Audio";
if (strcmp(media, "Audio"))
return;
if ((category = pw_properties_get(props, PW_NODE_PROP_CATEGORY)) == NULL)
category = "Playback";
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;
pw_log_debug("module %p: '%s' '%s' '%s' %d", impl, media, category, role, exclusive);
if (strcmp(category, "Playback") == 0)
find.media_class = "Audio/Sink";
else if (strcmp(category, "Capture") == 0)
find.media_class = "Audio/Source";
else
return;
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_debug("module %p: try to find and link to node '%d'", impl, find.path_id);
find.impl = impl;
find.sess = NULL;
spa_list_for_each(session, &impl->session_list, l)
find_session(&find, session);
if (find.sess == NULL)
return;
session = find.sess;
if (strcmp(category, "Capture") == 0)
direction = PW_DIRECTION_OUTPUT;
else if (strcmp(category, "Playback") == 0)
direction = PW_DIRECTION_INPUT;
else
return;
if (exclusive) {
if (!spa_list_is_empty(&session->node_list)) {
pw_log_warn("session busy, can't get exclusive access");
return;
}
if (session->link != NULL) {
pw_log_warn("session busy with DSP");
return;
}
peer = session->node;
}
else {
if (session->link == NULL) {
if (link_session_dsp(session) < 0)
return;
}
peer = session->dsp;
sample_rate = session->sample_rate;
buffer_size = session->buffer_size;
}
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->buffer_size = buffer_size;
spa_list_init(&info->links);
spa_list_append(&info->session->node_list, &info->l);
pw_node_add_listener(node, &info->node_listener, &node_info_events, info);
pw_node_for_each_port(peer, direction, on_peer_port, info);
}
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;
};
static int collect_channel(void *data, uint32_t id, uint32_t index, uint32_t next, struct spa_pod *param)
{
struct channel_data *d = data;
struct impl *impl = d->impl;
uint32_t media_type, media_subtype;
struct spa_audio_info_raw info;
spa_pod_object_parse(param,
"I", &media_type,
"I", &media_subtype);
if (media_type != impl->type.media_type.audio ||
media_subtype != impl->type.media_subtype.raw)
return 0;
spa_pod_fixate(param);
spa_debug_pod(param, SPA_DEBUG_FLAG_FORMAT);
if (spa_format_audio_raw_parse(param, &info, &impl->type.format_audio) < 0)
return 0;
if (info.channels > d->channels)
d->channels = info.channels;
return 0;
}
static uint32_t find_port_channels(struct impl *impl, struct pw_port *port)
{
struct pw_type *t = impl->t;
struct channel_data data = { impl, 0, };
pw_port_for_each_param(port,
t->param.idEnumFormat,
0, 0, NULL,
collect_channel, &data);
pw_log_debug("port channels %d", data.channels);
return data.channels;
}
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;
if (pw_global_get_type(global) != impl->t->node)
return 0;
node = pw_global_get_object(global);
id = pw_global_get_id(global);
properties = pw_node_get_properties(node);
str = pw_properties_get(properties, PW_NODE_PROP_AUTOCONNECT);
if (str != NULL && pw_properties_parse_bool(str)) {
handle_autoconnect(impl, node, properties);
return 0;
}
else if ((str = pw_properties_get(properties, "media.class")) == NULL)
return 0;
pw_log_debug("global added %s (%d)", str, id);
if (strcmp(str, "Audio/Sink") == 0)
direction = PW_DIRECTION_OUTPUT;
else if (strcmp(str, "Audio/Source") == 0)
direction = PW_DIRECTION_INPUT;
else
return 0;
if ((node_port = pw_node_get_free_port(node, pw_direction_reverse(direction))) == NULL)
return 0;
channels = find_port_channels(impl, node_port);
if (channels == 0)
return 0;
dsp = pw_audio_dsp_new(impl->core,
properties,
direction,
channels,
MAX_BUFFER_SIZE,
sizeof(struct session));
if (dsp == NULL)
return 0;
if ((dsp_port = pw_node_get_free_port(dsp, direction)) == NULL)
return 0;
sess = pw_audio_dsp_get_user_data(dsp);
sess->impl = impl;
sess->direction = direction;
sess->id = id;
sess->node = node;
sess->node_port = node_port;
sess->dsp = dsp;
sess->dsp_port = dsp_port;
spa_list_init(&sess->node_list);
spa_list_append(&impl->session_list, &sess->l);
pw_node_add_listener(dsp, &sess->dsp_listener, &dsp_events, sess);
pw_node_add_listener(node, &sess->node_listener, &node_events, sess);
pw_node_register(dsp, NULL, pw_module_get_global(impl->module), NULL);
pw_node_set_active(dsp, 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)
{
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->t = pw_core_get_type(core);
impl->module = module;
impl->properties = properties;
init_type(&impl->type, core->type.map);
spa_list_init(&impl->session_list);
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);
return 0;
}
int pipewire__module_init(struct pw_module *module, const char *args)
{
return module_init(module, NULL);
}

287
src/modules/module-audio-dsp.c → src/modules/module-audio-session/audio-dsp.c
View file

@ -44,9 +44,7 @@
#define MAX_PORTS 256
#define MAX_BUFFERS 8
#define DEFAULT_CHANNELS 2
#define DEFAULT_SAMPLE_RATE 44100
#define DEFAULT_BUFFER_SIZE 1024
struct type {
struct spa_type_media_type media_type;
@ -65,21 +63,6 @@ static inline void init_type(struct type *type, struct spa_type_map *map)
spa_type_media_subtype_audio_map(map, &type->media_subtype_audio);
}
struct impl {
struct type type;
struct pw_core *core;
struct pw_type *t;
struct pw_module *module;
struct spa_hook core_listener;
struct spa_hook module_listener;
struct pw_properties *properties;
int node_count;
struct spa_list node_list;
};
struct buffer {
#define BUFFER_FLAG_OUT (1<<0)
uint32_t flags;
@ -117,16 +100,17 @@ typedef void (*conv_func_t)(void *dst, void *src, int index, int n_samples, int
typedef void (*fill_func_t)(void *dst, int index, int n_samples, int stride);
struct node {
struct spa_list link;
struct type type;
struct pw_core *core;
struct pw_type *t;
struct pw_node *node;
struct spa_hook node_listener;
struct impl *impl;
void *user_data;
int channels;
int sample_rate;
int buffer_size;
int max_buffer_size;
conv_func_t conv_func;
fill_func_t fill_func;
@ -374,10 +358,6 @@ static int node_process_mix(struct spa_node *node)
outio->buffer_id = out->buf->id;
outio->status = SPA_STATUS_HAVE_BUFFER;
out->buf->datas[0].chunk->offset = 0;
out->buf->datas[0].chunk->size = n->buffer_size * outp->stride;
out->buf->datas[0].chunk->stride = outp->stride;
pw_log_trace(NAME " %p: output buffer %d %d %d", this,
out->buf->id, out->flags, out->buf->datas[0].chunk->size);
@ -392,7 +372,7 @@ static int node_process_split(struct spa_node *node)
struct spa_io_buffers *inio = inp->io;
struct buffer *in;
int i, res, channels = n->channels;
size_t buffer_size = n->buffer_size;
size_t buffer_size;
if (inio->status != SPA_STATUS_HAVE_BUFFER)
return SPA_STATUS_NEED_BUFFER;
@ -401,6 +381,7 @@ static int node_process_split(struct spa_node *node)
return inio->status = -EINVAL;
in = &inp->buffers[inio->buffer_id];
buffer_size = in->buf->datas[0].chunk->size / inp->stride;
res = SPA_STATUS_NEED_BUFFER;
for (i = 0; i < channels; i++) {
@ -447,7 +428,7 @@ static int port_set_io(struct spa_node *node,
uint32_t id, void *data, size_t size)
{
struct node *n = SPA_CONTAINER_OF(node, struct node, node_impl);
struct pw_type *t = n->impl->t;
struct pw_type *t = n->t;
struct port *p = GET_PORT(n, direction, port_id);
if (id == t->io.Buffers)
@ -485,8 +466,8 @@ static int port_enum_formats(struct spa_node *node,
struct spa_pod_builder *builder)
{
struct node *n = SPA_CONTAINER_OF(node, struct node, node_impl);
struct pw_type *type = n->impl->t;
struct type *t = &n->impl->type;
struct pw_type *type = n->t;
struct type *t = &n->type;
if (*index > 0)
return 0;
@ -522,8 +503,7 @@ static int port_enum_formats(struct spa_node *node,
":", t->format_audio.layout, "i", SPA_AUDIO_LAYOUT_INTERLEAVED,
":", t->format_audio.rate, "iru", n->sample_rate,
SPA_POD_PROP_MIN_MAX(1, INT32_MAX),
":", t->format_audio.channels, "iru", n->channels,
SPA_POD_PROP_MIN_MAX(1, MAX_PORTS));
":", t->format_audio.channels, "i", n->channels);
}
return 1;
@ -538,7 +518,7 @@ static int port_enum_params(struct spa_node *node,
{
struct node *n = SPA_CONTAINER_OF(node, struct node, node_impl);
struct port *p = GET_PORT(n, direction, port_id);
struct pw_type *t = n->impl->t;
struct pw_type *t = n->t;
struct spa_pod *param;
struct spa_pod_builder b = { 0 };
uint8_t buffer[1024];
@ -558,11 +538,12 @@ static int port_enum_params(struct spa_node *node,
else if (id == t->param.idBuffers) {
if (*index > 0)
return 0;
if (p->stride == 0)
return -EIO;
param = spa_pod_builder_object(&b,
id, t->param_buffers.Buffers,
":", t->param_buffers.size, "i", n->buffer_size * p->stride,
// SPA_POD_PROP_MIN_MAX(24, 4096),
":", t->param_buffers.size, "i", n->max_buffer_size * p->stride,
":", t->param_buffers.blocks, "i", 1,
":", t->param_buffers.stride, "i", p->stride,
":", t->param_buffers.buffers, "ir", 2,
@ -586,10 +567,11 @@ static int port_set_format(struct spa_node *node, struct port *p,
{
struct spa_audio_info info = { 0 };
struct node *n = SPA_CONTAINER_OF(node, struct node, node_impl);
struct type *t = &n->impl->type;
struct type *t = &n->type;
if (format == NULL) {
clear_buffers(n, p);
p->stride = 0;
return 0;
}
@ -644,7 +626,7 @@ static int port_set_param(struct spa_node *node,
{
struct node *n = SPA_CONTAINER_OF(node, struct node, node_impl);
struct port *p = GET_PORT(n, direction, port_id);
struct pw_type *t = n->impl->t;
struct pw_type *t = n->t;
if (id == t->param.idFormat) {
return port_set_format(node, p, direction, flags, param);
@ -660,7 +642,7 @@ static int port_use_buffers(struct spa_node *node, enum spa_direction direction,
{
struct node *n = SPA_CONTAINER_OF(node, struct node, node_impl);
struct port *p = GET_PORT(n, direction, port_id);
struct pw_type *t = n->impl->t;
struct pw_type *t = n->t;
int i;
pw_log_debug("use_buffers %d", n_buffers);
@ -697,7 +679,7 @@ static int port_alloc_buffers(struct spa_node *node, enum spa_direction directio
#if 0
struct node *n = SPA_CONTAINER_OF(node, struct node, node_impl);
struct port *p = GET_PORT(n, direction, port_id);
struct pw_type *t = n->impl->t;
struct pw_type *t = n->t;
int i;
pw_log_debug("alloc %d", *n_buffers);
@ -765,7 +747,7 @@ static int schedule_mix(struct spa_node *_node)
struct spa_graph_node *node = &port->rt.mix_node;
struct spa_graph_port *gp;
struct spa_io_buffers *io = port->rt.mix_port.io;
size_t buffer_size = n->buffer_size;
size_t buffer_size = 0;
struct buffer *outb;
float *out = NULL;
int layer = 0;
@ -775,60 +757,54 @@ static int schedule_mix(struct spa_node *_node)
spa_list_for_each(gp, &node->ports[SPA_DIRECTION_INPUT], link) {
struct pw_port_mix *mix = SPA_CONTAINER_OF(gp, struct pw_port_mix, port);
struct spa_io_buffers *inio;
struct spa_buffer *inb;
pw_log_trace("mix %p: input %d %d/%d", node,
gp->io->status, gp->io->buffer_id, mix->n_buffers);
if (!(gp->io->buffer_id < mix->n_buffers && gp->io->status == SPA_STATUS_HAVE_BUFFER))
if ((inio = gp->io) == NULL ||
inio->buffer_id >= mix->n_buffers ||
inio->status != SPA_STATUS_HAVE_BUFFER)
continue;
pw_log_trace("mix %p: input %d %d/%d", node,
inio->status, inio->buffer_id, mix->n_buffers);
inb = mix->buffers[inio->buffer_id];
buffer_size = inb->datas[0].chunk->size / sizeof(float);
if (layer++ == 0) {
out = mix->buffers[gp->io->buffer_id]->datas[0].data;
out = inb->datas[0].data;
}
else {
add_f32(out, mix->buffers[gp->io->buffer_id]->datas[0].data, buffer_size);
add_f32(out, inb->datas[0].data, buffer_size);
}
pw_log_trace("mix %p: input %p %p->%p %d %d %zd", node,
gp, gp->io, io, gp->io->status, gp->io->buffer_id, buffer_size);
pw_log_trace("mix %p: input %p %p %zd", node, inio, io, buffer_size);
}
outb = peek_buffer(n, outp);
if (outb == NULL)
return -EPIPE;
if (layer > 0)
if (layer > 0) {
n->conv_func(outb->ptr, out, port->port_id, buffer_size, stride);
else
outb->buf->datas[0].chunk->offset = 0;
outb->buf->datas[0].chunk->size = buffer_size * outp->stride;
outb->buf->datas[0].chunk->stride = outp->stride;
}
else {
buffer_size = outb->buf->datas[0].maxsize / outp->stride;
n->fill_func(outb->ptr, port->port_id, buffer_size, stride);
}
pw_log_trace("mix %p: layer %d %zd %d", node, layer, buffer_size, outp->stride);
return SPA_STATUS_HAVE_BUFFER;
}
static int schedule_mix_use_buffers(struct spa_node *_node,
enum spa_direction direction,
uint32_t port_id,
struct spa_buffer **buffers,
uint32_t n_buffers)
{
struct pw_port *port = SPA_CONTAINER_OF(_node, struct pw_port, mix_node);
struct port *p = port->owner_data;
struct node *n = p->node;
pw_log_debug("port %p: %d use buffers %d %p", port, port_id, n_buffers, buffers);
if (n_buffers > 0) {
n->buffer_size = buffers[0]->datas[0].maxsize / p->stride;
}
return 0;
}
static const struct spa_node schedule_mix_node = {
SPA_VERSION_NODE,
NULL,
.port_use_buffers = schedule_mix_use_buffers,
.process = schedule_mix,
};
@ -886,8 +862,12 @@ static struct port *make_port(struct node *n, enum pw_direction direction,
return p;
}
static struct node *make_node(struct impl *impl, const struct pw_properties *props,
enum pw_direction direction)
struct pw_node *pw_audio_dsp_new(struct pw_core *core,
const struct pw_properties *props,
enum pw_direction direction,
uint32_t channels,
uint32_t max_buffer_size,
size_t user_data_size)
{
struct pw_node *node;
struct node *n;
@ -903,7 +883,6 @@ static struct node *make_node(struct impl *impl, const struct pw_properties *pro
if ((alias = pw_properties_get(props, "device.name")) == NULL)
goto error;
snprintf(node_name, sizeof(node_name), "system_%s", alias);
for (i = 0; node_name[i]; i++) {
if (node_name[i] == ':' || node_name[i] == ',')
@ -921,23 +900,30 @@ static struct node *make_node(struct impl *impl, const struct pw_properties *pro
if ((plugged = pw_properties_get(props, "node.plugged")) != NULL)
pw_properties_set(pr, "node.plugged", plugged);
node = pw_node_new(impl->core, node_name, pr, sizeof(struct node));
node = pw_node_new(core, node_name, pr, sizeof(struct node) + user_data_size);
if (node == NULL)
goto error;
n = pw_node_get_user_data(node);
n->core = core;
n->t = pw_core_get_type(core);
init_type(&n->type, n->t->map);
n->node = node;
n->impl = impl;
n->node_impl = node_impl;
if (direction == PW_DIRECTION_OUTPUT)
n->node_impl.process = node_process_mix;
else
n->node_impl.process = node_process_split;
n->channels = DEFAULT_CHANNELS;
n->channels = channels;
n->sample_rate = DEFAULT_SAMPLE_RATE;
n->buffer_size = DEFAULT_BUFFER_SIZE;
n->max_buffer_size = max_buffer_size;
pw_node_set_implementation(node, &n->node_impl);
if (user_data_size > 0)
n->user_data = SPA_MEMBER(n, sizeof(struct node), void);
p = make_port(n, direction, 0, 0, NULL);
if (p == NULL)
goto error_free_node;
@ -967,13 +953,7 @@ static struct node *make_node(struct impl *impl, const struct pw_properties *pro
if (p == NULL)
goto error_free_node;
}
spa_list_append(&impl->node_list, &n->link);
pw_node_register(node, NULL, pw_module_get_global(impl->module), NULL);
pw_node_set_active(node, true);
return n;
return node;
error_free_node:
pw_node_destroy(node);
@ -981,141 +961,8 @@ static struct node *make_node(struct impl *impl, const struct pw_properties *pro
return NULL;
}
static void node_destroy(void *data)
void *pw_audio_dsp_get_user_data(struct pw_node *node)
{
struct node *node = data;
spa_list_remove(&node->link);
pw_node_destroy(node->node);
}
static const struct pw_node_events node_events = {
PW_VERSION_NODE_EVENTS,
.destroy = node_destroy,
};
static int on_global(void *data, struct pw_global *global)
{
struct impl *impl = data;
struct pw_node *n;
struct node *node;
const struct pw_properties *properties;
const char *str;
char *error;
struct pw_port *ip, *op;
struct pw_link *link;
if (pw_global_get_type(global) != impl->t->node)
return 0;
n = pw_global_get_object(global);
properties = pw_node_get_properties(n);
if ((str = pw_properties_get(properties, "media.class")) == NULL)
return 0;
pw_log_debug("global added %s", str);
if (strcmp(str, "Audio/Sink") == 0) {
if ((ip = pw_node_get_free_port(n, PW_DIRECTION_INPUT)) == NULL)
return 0;
if ((node = make_node(impl, properties, PW_DIRECTION_OUTPUT)) == NULL)
return 0;
if ((op = pw_node_get_free_port(node->node, PW_DIRECTION_OUTPUT)) == NULL)
return 0;
}
else if (strcmp(str, "Audio/Source") == 0) {
if ((op = pw_node_get_free_port(n, PW_DIRECTION_OUTPUT)) == NULL)
return 0;
if ((node = make_node(impl, properties, PW_DIRECTION_INPUT)) == NULL)
return 0;
if ((ip = pw_node_get_free_port(node->node, PW_DIRECTION_INPUT)) == NULL)
return 0;
}
else
return 0;
link = pw_link_new(impl->core,
op,
ip,
NULL,
pw_properties_new(PW_LINK_PROP_PASSIVE, "true", NULL),
&error, 0);
if (link == NULL) {
pw_log_error("can't create link: %s", error);
free(error);
return 0;
}
pw_link_register(link, NULL, pw_module_get_global(impl->module), NULL);
pw_node_add_listener(n, &node->node_listener, &node_events, node);
return 0;
}
static void module_destroy(void *data)
{
struct impl *impl = data;
struct node *n, *t;
spa_hook_remove(&impl->module_listener);
spa_hook_remove(&impl->core_listener);
spa_list_for_each_safe(n, t, &impl->node_list, link)
pw_node_destroy(n->node);
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)
{
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->t = pw_core_get_type(core);
impl->module = module;
impl->properties = properties;
init_type(&impl->type, core->type.map);
spa_list_init(&impl->node_list);
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);
return 0;
}
int pipewire__module_init(struct pw_module *module, const char *args)
{
return module_init(module, NULL);
struct node *n = pw_node_get_user_data(node);
return n->user_data;
}

44
src/modules/module-audio-session/audio-dsp.h Normal file
View file

@ -0,0 +1,44 @@
/* 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.
*/
#ifndef __PIPEWIRE_AUDIO_DSP_H__
#define __PIPEWIRE_AUDIO_DSP_H__
#include <pipewire/core.h>
#include <pipewire/node.h>
#ifdef __cplusplus
extern "C" {
#endif
struct pw_node *
pw_audio_dsp_new(struct pw_core *core,
const struct pw_properties *properties,
enum pw_direction direction,
uint32_t channels,
uint32_t max_buffer_size,
size_t user_data_size);
void *pw_audio_dsp_get_user_data(struct pw_node *node);
#ifdef __cplusplus
}
#endif
#endif /* __PIPEWIRE_AUDIO_DSP_H__ */