pipewire/pinos/client/pinos.c
Wim Taymans 1169c2419b Make buffer data point to memory blocks
Make buffer data point to a registered memory block by its mem_id.
Add some more helpers to allocate memfd backed memory.
Allocate buffers in memfd so that we easily share them between client
and server.
Update pts and seq in v4l2 now that this change will actually be visible
at the client.
2016-08-03 21:33:57 +02:00

118 lines
3.5 KiB
C

/* Pinos
* Copyright (C) 2015 Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <gst/gst.h>
#include "pinos/client/pinos.h"
#include "spa/include/spa/memory.h"
/**
* pinos_init:
* @argc: pointer to argc
* @argv: pointer to argv
*
* initialize the pinos system, parse and modify any parameters given
* by @argc and @argv.
*/
void
pinos_init (int *argc, char **argv[])
{
gst_init (argc, argv);
spa_memory_init ();
}
/**
* pinos_client_name:
*
* Make a new pinos client name that can be used to construct a context.
*/
gchar *
pinos_client_name (void)
{
const char *c;
if ((c = g_get_application_name ()))
return g_strdup (c);
else if ((c = g_get_prgname ()))
return g_strdup (c);
else
return g_strdup_printf ("pinos-pid-%lu", (gulong) getpid ());
}
/**
* pinos_fill_context_properties:
* @properties: a #PinosProperties
*
* Fill @properties with a set of default context properties.
*/
void
pinos_fill_context_properties (PinosProperties *properties)
{
g_return_if_fail (properties != NULL);
if (!pinos_properties_get (properties, "application.name"))
pinos_properties_set (properties, "application.name", g_get_application_name ());
if (!pinos_properties_get (properties, "application.prgname"))
pinos_properties_set (properties, "application.prgname", g_get_prgname ());
if (!pinos_properties_get (properties, "application.language")) {
const gchar *str = g_getenv ("LANG");
if (str)
pinos_properties_set (properties, "application.language", str);
}
if (!pinos_properties_get (properties, "application.process.id")) {
gchar *str = g_strdup_printf ("%lu", (gulong) getpid());
pinos_properties_set (properties, "application.process.id", str);
g_free (str);
}
if (!pinos_properties_get (properties, "application.process.user"))
pinos_properties_set (properties, "application.process.user", g_get_user_name ());
if (!pinos_properties_get (properties, "application.process.host"))
pinos_properties_set (properties, "application.process.host", g_get_host_name ());
if (!pinos_properties_get (properties, "application.process.session_id")) {
const gchar *str = g_getenv ("XDG_SESSION_ID");
if (str)
pinos_properties_set (properties, "application.process.session_id", str);
}
}
/**
* pinos_fill_stream_properties
* @properties: a #PinosProperties
*
* Fill @properties with a set of default stream properties.
*/
void
pinos_fill_stream_properties (PinosProperties *properties)
{
g_return_if_fail (properties != NULL);
}
PinosDirection
pinos_direction_reverse (PinosDirection direction)
{
if (direction == PINOS_DIRECTION_INPUT)
return PINOS_DIRECTION_OUTPUT;
else if (direction == PINOS_DIRECTION_OUTPUT)
return PINOS_DIRECTION_INPUT;
return direction;
}