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/*****************************************************************************
* picture.c: VDPAU instance management for VLC
*****************************************************************************
* Copyright (C) 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 <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <vlc_common.h>
#include <vlc_picture.h>
#include "vlc_vdpau.h"
#pragma GCC visibility push(default)
static void SurfaceDestroy(void *opaque)
{
vlc_vdp_video_field_t *field = opaque;
vlc_vdp_video_frame_t *frame = field->frame;
VdpStatus err;
/* Destroy field-specific infos */
free(field);
if (atomic_fetch_sub(&frame->refs, 1) != 1)
return;
/* Destroy frame (video surface) */
err = vdp_video_surface_destroy(frame->vdp, frame->surface);
if (err != VDP_STATUS_OK)
fprintf(stderr, "video surface destruction failure: %s\n",
vdp_get_error_string(frame->vdp, err));
vdp_release_x11(frame->vdp);
free(frame);
}
static const VdpProcamp procamp_default =
{
.struct_version = VDP_PROCAMP_VERSION,
.brightness = 0.f,
.contrast = 1.f,
.saturation = 1.f,
.hue = 0.f,
};
VdpStatus vlc_vdp_video_attach(vdp_t *vdp, VdpVideoSurface surface,
picture_t *pic)
{
vlc_vdp_video_field_t *field = malloc(sizeof (*field));
vlc_vdp_video_frame_t *frame = malloc(sizeof (*frame));
if (unlikely(field == NULL || frame == NULL))
{
free(frame);
free(field);
vdp_video_surface_destroy(vdp, surface);
return VDP_STATUS_RESOURCES;
}
assert(pic->context == NULL);
pic->context = field;
field->destroy = SurfaceDestroy;
field->frame = frame;
field->structure = VDP_VIDEO_MIXER_PICTURE_STRUCTURE_FRAME;
field->procamp = procamp_default;
field->sharpen = 0.f;
atomic_init(&frame->refs, 1);
frame->surface = surface;
frame->vdp = vdp_hold_x11(vdp, &frame->device);
return VDP_STATUS_OK;
}
VdpStatus vlc_vdp_video_copy(picture_t *restrict dst, picture_t *restrict src)
{
vlc_vdp_video_field_t *fold = src->context;
vlc_vdp_video_frame_t *frame = fold->frame;
vlc_vdp_video_field_t *fnew = malloc(sizeof (*fnew));
if (unlikely(fnew == NULL))
return VDP_STATUS_RESOURCES;
assert(dst->context == NULL);
dst->context = fnew;
fnew->destroy = SurfaceDestroy;
fnew->frame = frame;
fnew->structure = fold->structure;
fnew->procamp = fold->procamp;
fnew->sharpen = fold->sharpen;
atomic_fetch_add(&frame->refs, 1);
return VDP_STATUS_OK;
}