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/*****************************************************************************
* va.c: hardware acceleration plugins for avcodec
*****************************************************************************
* Copyright (C) 2009 Laurent Aimar
* Copyright (C) 2012-2013 Rémi Denis-Courmont
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <vlc_common.h>
#include <vlc_modules.h>
#include <libavcodec/avcodec.h>
#include "va.h"
static int vlc_va_Start(void *func, va_list ap)
{
vlc_va_t *va = va_arg(ap, vlc_va_t *);
AVCodecContext *ctx = va_arg(ap, AVCodecContext *);
const es_format_t *fmt = va_arg(ap, const es_format_t *);
int (*open)(vlc_va_t *, AVCodecContext *, const es_format_t *) = func;
return open(va, ctx, fmt);
}
static void vlc_va_Stop(void *func, va_list ap)
{
vlc_va_t *va = va_arg(ap, vlc_va_t *);
void (*close)(vlc_va_t *) = func;
close(va);
}
vlc_va_t *vlc_va_New(vlc_object_t *obj, AVCodecContext *avctx,
const es_format_t *fmt)
{
vlc_va_t *va = vlc_object_create(obj, sizeof (*va));
if (unlikely(va == NULL))
return NULL;
va->module = vlc_module_load(va, "hw decoder", "$avcodec-hw", true,
vlc_va_Start, va, avctx, fmt);
if (va->module == NULL)
{
vlc_object_release(va);
va = NULL;
}
return va;
}
void vlc_va_Delete(vlc_va_t *va)
{
vlc_module_unload(va->module, vlc_va_Stop, va);
vlc_object_release(va);
}