mirror of
https://gitlab.freedesktop.org/pipewire/pipewire
synced 2024-10-14 11:53:16 +00:00
control: add control mixer plugin
Add a mixer plugin for control messages and plug it in ports with control messages.
This commit is contained in:
parent
0978343e44
commit
8899d00bfc
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@ -50,6 +50,10 @@ option('bluez5',
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description: 'Enable bluez5 spa plugin integration',
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type: 'boolean',
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value: true)
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option('control',
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description: 'Enable control spa plugin integration',
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type: 'boolean',
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value: true)
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option('audiotestsrc',
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description: 'Enable audiotestsrc spa plugin integration',
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type: 'boolean',
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@ -38,8 +38,10 @@ extern "C" {
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#define SPA_NAME_SUPPORT_SYSTEM "support.system" /**< A System interface */
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/* audio mixer */
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/* control mixer */
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#define SPA_NAME_CONTROL_MIXER "control.mixer" /**< mixes control streams */
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/* audio mixer */
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#define SPA_NAME_AUDIO_MIXER "audio.mixer" /**< mixes the raw audio on N input
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* ports together on the output
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* port */
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9
spa/plugins/control/meson.build
Normal file
9
spa/plugins/control/meson.build
Normal file
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@ -0,0 +1,9 @@
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control_sources = ['mixer.c',
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'plugin.c']
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controllib = shared_library('spa-control',
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control_sources,
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include_directories : [spa_inc],
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dependencies : [ mathlib ],
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install : true,
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install_dir : '@0@/spa/control/'.format(get_option('libdir')))
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820
spa/plugins/control/mixer.c
Normal file
820
spa/plugins/control/mixer.c
Normal file
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@ -0,0 +1,820 @@
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/* Spa
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*
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* Copyright © 2019 Wim Taymans
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <errno.h>
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#include <string.h>
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#include <stdio.h>
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#include <spa/support/log.h>
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#include <spa/support/cpu.h>
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#include <spa/utils/list.h>
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#include <spa/utils/names.h>
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#include <spa/node/node.h>
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#include <spa/node/utils.h>
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#include <spa/node/io.h>
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#include <spa/param/audio/format-utils.h>
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#include <spa/param/param.h>
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#include <spa/pod/filter.h>
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#define NAME "control-mixer"
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#define MAX_BUFFERS 64
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#define MAX_PORTS 128
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struct buffer {
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uint32_t id;
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#define BUFFER_FLAG_QUEUED (1 << 0)
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uint32_t flags;
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struct spa_list link;
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struct spa_buffer *buffer;
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};
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struct port {
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uint32_t direction;
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uint32_t id;
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struct spa_io_buffers *io;
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uint64_t info_all;
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struct spa_port_info info;
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struct spa_param_info params[8];
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unsigned int valid:1;
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unsigned int have_format:1;
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struct buffer buffers[MAX_BUFFERS];
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uint32_t n_buffers;
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struct spa_list queue;
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};
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struct impl {
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struct spa_handle handle;
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struct spa_node node;
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struct spa_log *log;
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uint64_t info_all;
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struct spa_node_info info;
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struct spa_param_info params[8];
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struct spa_hook_list hooks;
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uint32_t port_count;
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uint32_t last_port;
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struct port in_ports[MAX_PORTS];
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struct port out_ports[1];
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int n_formats;
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unsigned int have_format:1;
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unsigned int started:1;
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};
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#define CHECK_FREE_IN_PORT(this,d,p) ((d) == SPA_DIRECTION_INPUT && (p) < MAX_PORTS && !this->in_ports[(p)].valid)
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#define CHECK_IN_PORT(this,d,p) ((d) == SPA_DIRECTION_INPUT && (p) < MAX_PORTS && this->in_ports[(p)].valid)
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#define CHECK_OUT_PORT(this,d,p) ((d) == SPA_DIRECTION_OUTPUT && (p) == 0)
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#define CHECK_PORT(this,d,p) (CHECK_OUT_PORT(this,d,p) || CHECK_IN_PORT (this,d,p))
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#define GET_IN_PORT(this,p) (&this->in_ports[p])
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#define GET_OUT_PORT(this,p) (&this->out_ports[p])
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#define GET_PORT(this,d,p) (d == SPA_DIRECTION_INPUT ? GET_IN_PORT(this,p) : GET_OUT_PORT(this,p))
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static int impl_node_enum_params(void *object, int seq,
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uint32_t id, uint32_t start, uint32_t num,
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const struct spa_pod *filter)
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{
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return -ENOTSUP;
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}
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static int impl_node_set_param(void *object, uint32_t id, uint32_t flags,
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const struct spa_pod *param)
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{
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return -ENOTSUP;
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}
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static int impl_node_set_io(void *object, uint32_t id, void *data, size_t size)
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{
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return -ENOTSUP;
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}
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static int impl_node_send_command(void *object, const struct spa_command *command)
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{
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struct impl *this = object;
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spa_return_val_if_fail(this != NULL, -EINVAL);
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spa_return_val_if_fail(command != NULL, -EINVAL);
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switch (SPA_NODE_COMMAND_ID(command)) {
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case SPA_NODE_COMMAND_Start:
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this->started = true;
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break;
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case SPA_NODE_COMMAND_Pause:
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this->started = false;
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break;
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default:
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return -ENOTSUP;
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}
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return 0;
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}
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static void emit_node_info(struct impl *this, bool full)
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{
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if (full)
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this->info.change_mask = this->info_all;
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if (this->info.change_mask) {
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spa_node_emit_info(&this->hooks, &this->info);
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this->info.change_mask = 0;
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}
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}
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static void emit_port_info(struct impl *this, struct port *port, bool full)
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{
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if (full)
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port->info.change_mask = port->info_all;
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if (port->info.change_mask) {
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spa_node_emit_port_info(&this->hooks,
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port->direction, port->id, &port->info);
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port->info.change_mask = 0;
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}
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}
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static int impl_node_add_listener(void *object,
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struct spa_hook *listener,
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const struct spa_node_events *events,
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void *data)
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{
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struct impl *this = object;
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struct spa_hook_list save;
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uint32_t i;
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spa_return_val_if_fail(this != NULL, -EINVAL);
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spa_hook_list_isolate(&this->hooks, &save, listener, events, data);
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emit_node_info(this, true);
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emit_port_info(this, GET_OUT_PORT(this, 0), true);
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for (i = 0; i < this->last_port; i++) {
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if (this->in_ports[i].valid)
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emit_port_info(this, GET_IN_PORT(this, i), true);
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}
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spa_hook_list_join(&this->hooks, &save);
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return 0;
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}
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static int
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impl_node_set_callbacks(void *object,
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const struct spa_node_callbacks *callbacks,
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void *user_data)
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{
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return 0;
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}
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static int impl_node_add_port(void *object, enum spa_direction direction, uint32_t port_id,
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const struct spa_dict *props)
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{
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struct impl *this = object;
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struct port *port;
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spa_return_val_if_fail(this != NULL, -EINVAL);
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spa_return_val_if_fail(CHECK_FREE_IN_PORT(this, direction, port_id), -EINVAL);
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port = GET_IN_PORT (this, port_id);
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port->direction = direction;
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port->id = port_id;
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spa_list_init(&port->queue);
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port->info_all = SPA_PORT_CHANGE_MASK_FLAGS |
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SPA_PORT_CHANGE_MASK_PARAMS;
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port->info = SPA_PORT_INFO_INIT();
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port->info.flags = SPA_PORT_FLAG_NO_REF |
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SPA_PORT_FLAG_DYNAMIC_DATA |
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SPA_PORT_FLAG_REMOVABLE |
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SPA_PORT_FLAG_OPTIONAL;
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port->params[0] = SPA_PARAM_INFO(SPA_PARAM_EnumFormat, SPA_PARAM_INFO_READ);
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port->params[1] = SPA_PARAM_INFO(SPA_PARAM_Meta, SPA_PARAM_INFO_READ);
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port->params[2] = SPA_PARAM_INFO(SPA_PARAM_IO, SPA_PARAM_INFO_READ);
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port->params[3] = SPA_PARAM_INFO(SPA_PARAM_Format, SPA_PARAM_INFO_WRITE);
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port->params[4] = SPA_PARAM_INFO(SPA_PARAM_Buffers, 0);
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port->info.params = port->params;
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port->info.n_params = 5;
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this->port_count++;
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if (this->last_port <= port_id)
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this->last_port = port_id + 1;
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port->valid = true;
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spa_log_debug(this->log, NAME " %p: add port %d %d", this, port_id, this->last_port);
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emit_port_info(this, port, true);
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return 0;
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}
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static int
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impl_node_remove_port(void *object, enum spa_direction direction, uint32_t port_id)
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{
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struct impl *this = object;
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struct port *port;
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spa_return_val_if_fail(this != NULL, -EINVAL);
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spa_return_val_if_fail(CHECK_IN_PORT(this, direction, port_id), -EINVAL);
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port = GET_IN_PORT (this, port_id);
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port->valid = false;
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this->port_count--;
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if (port->have_format && this->have_format) {
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if (--this->n_formats == 0)
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this->have_format = false;
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}
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spa_memzero(port, sizeof(struct port));
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if (port_id == this->last_port - 1) {
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int i;
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for (i = this->last_port - 1; i >= 0; i--)
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if (GET_IN_PORT (this, i)->valid)
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break;
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this->last_port = i + 1;
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}
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spa_log_debug(this->log, NAME " %p: remove port %d %d", this, port_id, this->last_port);
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spa_node_emit_port_info(&this->hooks, direction, port_id, NULL);
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return 0;
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}
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static int port_enum_formats(void *object,
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enum spa_direction direction, uint32_t port_id,
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uint32_t index,
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struct spa_pod **param,
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struct spa_pod_builder *builder)
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{
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switch (index) {
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case 0:
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*param = spa_pod_builder_add_object(builder,
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SPA_TYPE_OBJECT_Format, SPA_PARAM_EnumFormat,
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SPA_FORMAT_mediaType, SPA_POD_Id(SPA_MEDIA_TYPE_application),
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SPA_FORMAT_mediaSubtype, SPA_POD_Id(SPA_MEDIA_SUBTYPE_control));
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break;
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default:
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return 0;
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}
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return 1;
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}
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static int
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impl_node_port_enum_params(void *object, int seq,
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enum spa_direction direction, uint32_t port_id,
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uint32_t id, uint32_t start, uint32_t num,
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const struct spa_pod *filter)
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{
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struct impl *this = object;
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struct port *port;
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struct spa_pod *param;
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struct spa_pod_builder b = { 0 };
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uint8_t buffer[1024];
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struct spa_result_node_params result;
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uint32_t count = 0;
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int res;
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spa_return_val_if_fail(this != NULL, -EINVAL);
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spa_return_val_if_fail(num != 0, -EINVAL);
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spa_return_val_if_fail(CHECK_PORT(this, direction, port_id), -EINVAL);
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port = GET_PORT(this, direction, port_id);
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result.id = id;
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result.next = start;
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next:
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result.index = result.next++;
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spa_pod_builder_init(&b, buffer, sizeof(buffer));
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switch (id) {
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case SPA_PARAM_EnumFormat:
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if ((res = port_enum_formats(this, direction, port_id, result.index, ¶m, &b)) <= 0)
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return res;
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break;
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case SPA_PARAM_Format:
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if (!port->have_format)
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return -EIO;
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if ((res = port_enum_formats(this, direction, port_id, result.index, ¶m, &b)) <= 0)
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return res;
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break;
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case SPA_PARAM_Buffers:
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if (!port->have_format)
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return -EIO;
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if (result.index > 0)
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return 0;
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param = spa_pod_builder_add_object(&b,
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SPA_TYPE_OBJECT_ParamBuffers, id,
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SPA_PARAM_BUFFERS_buffers, SPA_POD_CHOICE_RANGE_Int(1, 1, MAX_BUFFERS),
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SPA_PARAM_BUFFERS_blocks, SPA_POD_Int(1),
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SPA_PARAM_BUFFERS_size, SPA_POD_CHOICE_RANGE_Int(4096, 512, INT32_MAX),
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SPA_PARAM_BUFFERS_stride, SPA_POD_Int(1),
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SPA_PARAM_BUFFERS_align, SPA_POD_Int(16));
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break;
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case SPA_PARAM_IO:
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switch (result.index) {
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case 0:
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param = spa_pod_builder_add_object(&b,
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SPA_TYPE_OBJECT_ParamIO, id,
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SPA_PARAM_IO_id, SPA_POD_Id(SPA_IO_Buffers),
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SPA_PARAM_IO_size, SPA_POD_Int(sizeof(struct spa_io_buffers)));
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break;
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default:
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return 0;
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}
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break;
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default:
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return -ENOENT;
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}
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if (spa_pod_filter(&b, &result.param, param, filter) < 0)
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goto next;
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spa_node_emit_result(&this->hooks, seq, 0, SPA_RESULT_TYPE_NODE_PARAMS, &result);
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if (++count != num)
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goto next;
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return 0;
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}
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static int clear_buffers(struct impl *this, struct port *port)
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{
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if (port->n_buffers > 0) {
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spa_log_debug(this->log, NAME " %p: clear buffers %p", this, port);
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port->n_buffers = 0;
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spa_list_init(&port->queue);
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}
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return 0;
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}
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static int queue_buffer(struct impl *this, struct port *port, struct buffer *b)
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{
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if (SPA_FLAG_IS_SET(b->flags, BUFFER_FLAG_QUEUED))
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return -EINVAL;
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spa_list_append(&port->queue, &b->link);
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SPA_FLAG_SET(b->flags, BUFFER_FLAG_QUEUED);
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spa_log_trace_fp(this->log, NAME " %p: queue buffer %d", this, b->id);
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return 0;
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}
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static struct buffer *dequeue_buffer(struct impl *this, struct port *port)
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{
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struct buffer *b;
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if (spa_list_is_empty(&port->queue))
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return NULL;
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b = spa_list_first(&port->queue, struct buffer, link);
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spa_list_remove(&b->link);
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SPA_FLAG_CLEAR(b->flags, BUFFER_FLAG_QUEUED);
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spa_log_trace_fp(this->log, NAME " %p: dequeue buffer %d", this, b->id);
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return b;
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}
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static int port_set_format(void *object,
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enum spa_direction direction,
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uint32_t port_id,
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uint32_t flags,
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const struct spa_pod *format)
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{
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struct impl *this = object;
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struct port *port;
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int res;
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port = GET_PORT(this, direction, port_id);
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if (format == NULL) {
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if (port->have_format) {
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port->have_format = false;
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if (--this->n_formats == 0)
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this->have_format = false;
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clear_buffers(this, port);
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}
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} else {
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uint32_t media_type, media_subtype;
|
||||
if ((res = spa_format_parse(format, &media_type, &media_subtype)) < 0)
|
||||
return res;
|
||||
|
||||
if (media_type != SPA_MEDIA_TYPE_application ||
|
||||
media_subtype != SPA_MEDIA_SUBTYPE_control)
|
||||
return -EINVAL;
|
||||
|
||||
this->have_format = true;
|
||||
|
||||
if (!port->have_format) {
|
||||
this->n_formats++;
|
||||
port->have_format = true;
|
||||
spa_log_debug(this->log, NAME " %p: set format on port %d:%d",
|
||||
this, direction, port_id);
|
||||
}
|
||||
}
|
||||
port->info.change_mask |= SPA_PORT_CHANGE_MASK_PARAMS;
|
||||
if (port->have_format) {
|
||||
port->params[3] = SPA_PARAM_INFO(SPA_PARAM_Format, SPA_PARAM_INFO_READWRITE);
|
||||
port->params[4] = SPA_PARAM_INFO(SPA_PARAM_Buffers, SPA_PARAM_INFO_READ);
|
||||
} else {
|
||||
port->params[3] = SPA_PARAM_INFO(SPA_PARAM_Format, SPA_PARAM_INFO_WRITE);
|
||||
port->params[4] = SPA_PARAM_INFO(SPA_PARAM_Buffers, 0);
|
||||
}
|
||||
emit_port_info(this, port, false);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static int
|
||||
impl_node_port_set_param(void *object,
|
||||
enum spa_direction direction, uint32_t port_id,
|
||||
uint32_t id, uint32_t flags,
|
||||
const struct spa_pod *param)
|
||||
{
|
||||
struct impl *this = object;
|
||||
|
||||
spa_return_val_if_fail(this != NULL, -EINVAL);
|
||||
spa_return_val_if_fail(CHECK_PORT(this, direction, port_id), -EINVAL);
|
||||
|
||||
if (id == SPA_PARAM_Format) {
|
||||
return port_set_format(this, direction, port_id, flags, param);
|
||||
}
|
||||
else
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
static int
|
||||
impl_node_port_use_buffers(void *object,
|
||||
enum spa_direction direction,
|
||||
uint32_t port_id,
|
||||
uint32_t flags,
|
||||
struct spa_buffer **buffers,
|
||||
uint32_t n_buffers)
|
||||
{
|
||||
struct impl *this = object;
|
||||
struct port *port;
|
||||
uint32_t i;
|
||||
|
||||
spa_return_val_if_fail(this != NULL, -EINVAL);
|
||||
spa_return_val_if_fail(CHECK_PORT(this, direction, port_id), -EINVAL);
|
||||
|
||||
port = GET_PORT(this, direction, port_id);
|
||||
|
||||
spa_log_debug(this->log, NAME " %p: use buffers %d on port %d:%d",
|
||||
this, n_buffers, direction, port_id);
|
||||
|
||||
spa_return_val_if_fail(port->have_format, -EIO);
|
||||
|
||||
clear_buffers(this, port);
|
||||
|
||||
for (i = 0; i < n_buffers; i++) {
|
||||
struct buffer *b;
|
||||
struct spa_data *d = buffers[i]->datas;
|
||||
|
||||
b = &port->buffers[i];
|
||||
b->buffer = buffers[i];
|
||||
b->flags = 0;
|
||||
b->id = i;
|
||||
|
||||
if (d[0].data == NULL) {
|
||||
spa_log_error(this->log, NAME " %p: invalid memory on buffer %d", this, i);
|
||||
return -EINVAL;
|
||||
}
|
||||
if (direction == SPA_DIRECTION_OUTPUT)
|
||||
queue_buffer(this, port, b);
|
||||
}
|
||||
port->n_buffers = n_buffers;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
impl_node_port_set_io(void *object,
|
||||
enum spa_direction direction, uint32_t port_id,
|
||||
uint32_t id, void *data, size_t size)
|
||||
{
|
||||
struct impl *this = object;
|
||||
struct port *port;
|
||||
|
||||
spa_return_val_if_fail(this != NULL, -EINVAL);
|
||||
spa_return_val_if_fail(CHECK_PORT(this, direction, port_id), -EINVAL);
|
||||
|
||||
port = GET_PORT(this, direction, port_id);
|
||||
|
||||
spa_log_debug(this->log, NAME " %p: port %d:%d io %d %p/%zd", this,
|
||||
direction, port_id, id, data, size);
|
||||
|
||||
switch (id) {
|
||||
case SPA_IO_Buffers:
|
||||
port->io = data;
|
||||
break;
|
||||
default:
|
||||
return -ENOENT;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int impl_node_port_reuse_buffer(void *object, uint32_t port_id, uint32_t buffer_id)
|
||||
{
|
||||
struct impl *this = object;
|
||||
struct port *port;
|
||||
|
||||
spa_return_val_if_fail(this != NULL, -EINVAL);
|
||||
spa_return_val_if_fail(CHECK_PORT(this, SPA_DIRECTION_OUTPUT, port_id), -EINVAL);
|
||||
port = GET_OUT_PORT(this, 0);
|
||||
|
||||
if (buffer_id >= port->n_buffers)
|
||||
return -EINVAL;
|
||||
|
||||
return queue_buffer(this, port, &port->buffers[buffer_id]);
|
||||
}
|
||||
|
||||
static int impl_node_process(void *object)
|
||||
{
|
||||
struct impl *this = object;
|
||||
struct port *outport;
|
||||
struct spa_io_buffers *outio;
|
||||
uint32_t n_seq, i;
|
||||
struct spa_pod_sequence **seq;
|
||||
struct spa_pod_control **ctrl;
|
||||
struct spa_pod_builder builder;
|
||||
struct spa_pod_frame f;
|
||||
struct buffer *outb;
|
||||
struct spa_data *d;
|
||||
|
||||
spa_return_val_if_fail(this != NULL, -EINVAL);
|
||||
|
||||
outport = GET_OUT_PORT(this, 0);
|
||||
outio = outport->io;
|
||||
spa_return_val_if_fail(outio != NULL, -EIO);
|
||||
|
||||
spa_log_trace_fp(this->log, NAME " %p: status %p %d %d",
|
||||
this, outio, outio->status, outio->buffer_id);
|
||||
|
||||
if (outio->status == SPA_STATUS_HAVE_DATA)
|
||||
return outio->status;
|
||||
|
||||
/* recycle */
|
||||
if (outio->buffer_id < outport->n_buffers) {
|
||||
queue_buffer(this, outport, &outport->buffers[outio->buffer_id]);
|
||||
outio->buffer_id = SPA_ID_INVALID;
|
||||
}
|
||||
|
||||
/* get output buffer */
|
||||
if ((outb = dequeue_buffer(this, outport)) == NULL) {
|
||||
spa_log_trace(this->log, NAME " %p: out of buffers", this);
|
||||
return -EPIPE;
|
||||
}
|
||||
|
||||
ctrl = alloca(MAX_PORTS * sizeof(struct spa_pod_control *));
|
||||
seq = alloca(MAX_PORTS * sizeof(struct spa_pod_sequence *));
|
||||
n_seq = 0;
|
||||
|
||||
/* collect all sequence pod on input ports */
|
||||
for (i = 0; i < this->last_port; i++) {
|
||||
struct port *inport = GET_IN_PORT(this, i);
|
||||
struct spa_io_buffers *inio = NULL;
|
||||
void *pod;
|
||||
|
||||
if (!inport->valid ||
|
||||
(inio = inport->io) == NULL ||
|
||||
inio->buffer_id >= inport->n_buffers ||
|
||||
inio->status != SPA_STATUS_HAVE_DATA) {
|
||||
spa_log_trace_fp(this->log, NAME " %p: skip input idx:%d valid:%d "
|
||||
"io:%p status:%d buf_id:%d n_buffers:%d", this,
|
||||
i, inport->valid, inio,
|
||||
inio ? inio->status : -1,
|
||||
inio ? inio->buffer_id : SPA_ID_INVALID,
|
||||
inport->n_buffers);
|
||||
continue;
|
||||
}
|
||||
|
||||
spa_log_trace_fp(this->log, NAME " %p: mix input %d %p->%p %d %d", this,
|
||||
i, inio, outio, inio->status, inio->buffer_id);
|
||||
|
||||
d = inport->buffers[inio->buffer_id].buffer->datas;
|
||||
|
||||
if ((pod = spa_pod_from_data(d->data, d->maxsize,
|
||||
d->chunk->offset, d->chunk->size)) == NULL)
|
||||
continue;
|
||||
if (!spa_pod_is_sequence(pod))
|
||||
continue;
|
||||
|
||||
seq[n_seq] = pod;
|
||||
ctrl[n_seq] = spa_pod_control_first(&seq[n_seq]->body);
|
||||
inio->status = SPA_STATUS_NEED_DATA;
|
||||
n_seq++;
|
||||
}
|
||||
|
||||
d = outb->buffer->datas;
|
||||
|
||||
/* prepare to write into output */
|
||||
spa_pod_builder_init(&builder, d->data, d->maxsize);
|
||||
spa_pod_builder_push_sequence(&builder, &f, 0);
|
||||
|
||||
/* merge sort all sequences into output buffer */
|
||||
while (true) {
|
||||
struct spa_pod_control *next = NULL;
|
||||
uint32_t next_index = 0;
|
||||
|
||||
for (i = 0; i < n_seq; i++) {
|
||||
if (!spa_pod_control_is_inside(&seq[i]->body,
|
||||
SPA_POD_BODY_SIZE(seq[i]), ctrl[i]))
|
||||
continue;
|
||||
|
||||
if (next == NULL || ctrl[i]->offset < next->offset) {
|
||||
next = ctrl[i];
|
||||
next_index = i;
|
||||
}
|
||||
}
|
||||
if (next == NULL)
|
||||
break;
|
||||
|
||||
spa_pod_builder_control(&builder, next->offset, next->type);
|
||||
spa_pod_builder_primitive(&builder, &next->value);
|
||||
|
||||
ctrl[next_index] = spa_pod_control_next(ctrl[next_index]);
|
||||
}
|
||||
spa_pod_builder_pop(&builder, &f);
|
||||
|
||||
d->chunk->offset = 0;
|
||||
d->chunk->size = builder.state.offset;
|
||||
d->chunk->stride = 1;
|
||||
d->chunk->flags = 0;
|
||||
|
||||
outio->buffer_id = outb->id;
|
||||
outio->status = SPA_STATUS_HAVE_DATA;
|
||||
|
||||
return SPA_STATUS_HAVE_DATA | SPA_STATUS_NEED_DATA;
|
||||
}
|
||||
|
||||
static const struct spa_node_methods impl_node = {
|
||||
SPA_VERSION_NODE_METHODS,
|
||||
.add_listener = impl_node_add_listener,
|
||||
.set_callbacks = impl_node_set_callbacks,
|
||||
.enum_params = impl_node_enum_params,
|
||||
.set_param = impl_node_set_param,
|
||||
.set_io = impl_node_set_io,
|
||||
.send_command = impl_node_send_command,
|
||||
.add_port = impl_node_add_port,
|
||||
.remove_port = impl_node_remove_port,
|
||||
.port_enum_params = impl_node_port_enum_params,
|
||||
.port_set_param = impl_node_port_set_param,
|
||||
.port_use_buffers = impl_node_port_use_buffers,
|
||||
.port_set_io = impl_node_port_set_io,
|
||||
.port_reuse_buffer = impl_node_port_reuse_buffer,
|
||||
.process = impl_node_process,
|
||||
};
|
||||
|
||||
static int impl_get_interface(struct spa_handle *handle, uint32_t type, void **interface)
|
||||
{
|
||||
struct impl *this;
|
||||
|
||||
spa_return_val_if_fail(handle != NULL, -EINVAL);
|
||||
spa_return_val_if_fail(interface != NULL, -EINVAL);
|
||||
|
||||
this = (struct impl *) handle;
|
||||
|
||||
if (type == SPA_TYPE_INTERFACE_Node)
|
||||
*interface = &this->node;
|
||||
else
|
||||
return -ENOENT;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int impl_clear(struct spa_handle *handle)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static size_t
|
||||
impl_get_size(const struct spa_handle_factory *factory,
|
||||
const struct spa_dict *params)
|
||||
{
|
||||
return sizeof(struct impl);
|
||||
}
|
||||
|
||||
static int
|
||||
impl_init(const struct spa_handle_factory *factory,
|
||||
struct spa_handle *handle,
|
||||
const struct spa_dict *info,
|
||||
const struct spa_support *support,
|
||||
uint32_t n_support)
|
||||
{
|
||||
struct impl *this;
|
||||
struct port *port;
|
||||
uint32_t i;
|
||||
|
||||
spa_return_val_if_fail(factory != NULL, -EINVAL);
|
||||
spa_return_val_if_fail(handle != NULL, -EINVAL);
|
||||
|
||||
handle->get_interface = impl_get_interface;
|
||||
handle->clear = impl_clear;
|
||||
|
||||
this = (struct impl *) handle;
|
||||
|
||||
for (i = 0; i < n_support; i++) {
|
||||
switch (support[i].type) {
|
||||
case SPA_TYPE_INTERFACE_Log:
|
||||
this->log = support[i].data;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
spa_hook_list_init(&this->hooks);
|
||||
|
||||
this->node.iface = SPA_INTERFACE_INIT(
|
||||
SPA_TYPE_INTERFACE_Node,
|
||||
SPA_VERSION_NODE,
|
||||
&impl_node, this);
|
||||
this->info = SPA_NODE_INFO_INIT();
|
||||
this->info.max_input_ports = MAX_PORTS;
|
||||
this->info.max_output_ports = 1;
|
||||
this->info.change_mask |= SPA_NODE_CHANGE_MASK_FLAGS;
|
||||
this->info.flags = SPA_NODE_FLAG_RT | SPA_NODE_FLAG_IN_DYNAMIC_PORTS;
|
||||
|
||||
port = GET_OUT_PORT(this, 0);
|
||||
port->valid = true;
|
||||
port->direction = SPA_DIRECTION_OUTPUT;
|
||||
port->id = 0;
|
||||
port->info = SPA_PORT_INFO_INIT();
|
||||
port->info.change_mask |= SPA_PORT_CHANGE_MASK_FLAGS;
|
||||
port->info.flags = SPA_PORT_FLAG_DYNAMIC_DATA;
|
||||
port->info.change_mask |= SPA_PORT_CHANGE_MASK_PARAMS;
|
||||
port->params[0] = SPA_PARAM_INFO(SPA_PARAM_EnumFormat, SPA_PARAM_INFO_READ);
|
||||
port->params[1] = SPA_PARAM_INFO(SPA_PARAM_Meta, SPA_PARAM_INFO_READ);
|
||||
port->params[2] = SPA_PARAM_INFO(SPA_PARAM_IO, SPA_PARAM_INFO_READ);
|
||||
port->params[3] = SPA_PARAM_INFO(SPA_PARAM_Format, SPA_PARAM_INFO_WRITE);
|
||||
port->params[4] = SPA_PARAM_INFO(SPA_PARAM_Buffers, 0);
|
||||
port->info.params = port->params;
|
||||
port->info.n_params = 5;
|
||||
|
||||
spa_list_init(&port->queue);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct spa_interface_info impl_interfaces[] = {
|
||||
{SPA_TYPE_INTERFACE_Node,},
|
||||
};
|
||||
|
||||
static int
|
||||
impl_enum_interface_info(const struct spa_handle_factory *factory,
|
||||
const struct spa_interface_info **info,
|
||||
uint32_t *index)
|
||||
{
|
||||
spa_return_val_if_fail(factory != NULL, -EINVAL);
|
||||
spa_return_val_if_fail(info != NULL, -EINVAL);
|
||||
spa_return_val_if_fail(index != NULL, -EINVAL);
|
||||
|
||||
switch (*index) {
|
||||
case 0:
|
||||
*info = &impl_interfaces[*index];
|
||||
break;
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
(*index)++;
|
||||
return 1;
|
||||
}
|
||||
|
||||
const struct spa_handle_factory spa_control_mixer_factory = {
|
||||
SPA_VERSION_HANDLE_FACTORY,
|
||||
SPA_NAME_CONTROL_MIXER,
|
||||
NULL,
|
||||
impl_get_size,
|
||||
impl_init,
|
||||
impl_enum_interface_info,
|
||||
};
|
46
spa/plugins/control/plugin.c
Normal file
46
spa/plugins/control/plugin.c
Normal file
|
@ -0,0 +1,46 @@
|
|||
/* Spa Control plugin
|
||||
*
|
||||
* Copyright © 2018 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 <errno.h>
|
||||
|
||||
#include <spa/support/plugin.h>
|
||||
|
||||
extern const struct spa_handle_factory spa_control_mixer_factory;
|
||||
|
||||
SPA_EXPORT
|
||||
int spa_handle_factory_enum(const struct spa_handle_factory **factory, uint32_t *index)
|
||||
{
|
||||
spa_return_val_if_fail(factory != NULL, -EINVAL);
|
||||
spa_return_val_if_fail(index != NULL, -EINVAL);
|
||||
|
||||
switch (*index) {
|
||||
case 0:
|
||||
*factory = &spa_control_mixer_factory;
|
||||
break;
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
(*index)++;
|
||||
return 1;
|
||||
}
|
|
@ -7,6 +7,9 @@ endif
|
|||
if get_option('audiomixer')
|
||||
subdir('audiomixer')
|
||||
endif
|
||||
if get_option('control')
|
||||
subdir('control')
|
||||
endif
|
||||
if get_option('audiotestsrc')
|
||||
subdir('audiotestsrc')
|
||||
endif
|
||||
|
|
|
@ -521,6 +521,18 @@ static int setup_mixer(struct pw_port *port, const struct spa_pod *param)
|
|||
return -ENOTSUP;
|
||||
}
|
||||
break;
|
||||
|
||||
case SPA_MEDIA_TYPE_application:
|
||||
switch (media_subtype) {
|
||||
case SPA_MEDIA_SUBTYPE_control:
|
||||
fallback_lib = "control/libspa-control";
|
||||
factory_name = SPA_NAME_CONTROL_MIXER;
|
||||
break;
|
||||
default:
|
||||
return -ENOTSUP;
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
return -ENOTSUP;
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue