pipewire/spa/plugins/libva/libva.c
Wim Taymans f92b68c3c3 Use types with known sizes where we can, easier to serialize
Add iterator for POD and use it to implement some demarshalling.
2017-03-07 11:56:43 +01:00

96 lines
2.4 KiB
C

/* Spa V4l2 support
* Copyright (C) 2016 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 <spa/plugin.h>
#include <spa/node.h>
SpaHandle * spa_libva_dec_new (void);
SpaHandle * spa_libva_enc_new (void);
static SpaResult
libva_dec_instantiate (const SpaHandleFactory *factory,
SpaHandle **handle)
{
if (factory == NULL || handle == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
*handle = spa_libva_dec_new ();
return SPA_RESULT_OK;
}
static SpaResult
libva_enc_instantiate (const SpaHandleFactory *factory,
SpaHandle **handle)
{
if (factory == NULL || handle == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
*handle = spa_libva_enc_new ();
return SPA_RESULT_OK;
}
static const SpaInterfaceInfo libva_interfaces[] =
{
{ SPA_INTERFACE_ID_NODE,
SPA_INTERFACE_ID_NODE_NAME,
SPA_INTERFACE_ID_NODE_DESCRIPTION,
},
};
static SpaResult
libva_enum_interface_info (const SpaHandleFactory *factory,
uint32_t index,
const SpaInterfaceInfo **info)
{
if (index >= 1)
return SPA_RESULT_ENUM_END;
*info = &libva_interfaces[index];
return SPA_RESULT_OK;
}
static const SpaHandleFactory factories[] =
{
{ "libva-dec",
NULL,
libva_dec_instantiate,
libva_enum_interface_info,
},
{ "libva-enc",
NULL,
libva_enc_instantiate,
libva_enum_interface_info,
}
};
SpaResult
spa_enum_handle_factory (uint32_t index,
const SpaHandleFactory **factory)
{
if (index >= 2)
return SPA_RESULT_ENUM_END;
*factory = &factories[index];
return SPA_RESULT_OK;
}