Files
x264/filters/video/internal.c

61 lines
2.4 KiB
C

/*****************************************************************************
* internal.c: video filter utilities
*****************************************************************************
* Copyright (C) 2010-2025 x264 project
*
* Authors: Steven Walters <kemuri9@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
*
* This program is also available under a commercial proprietary license.
* For more information, contact us at licensing@x264.com.
*****************************************************************************/
#include "internal.h"
#define FAIL_IF_ERROR( cond, ... ) FAIL_IF_ERR( cond, "x264", __VA_ARGS__ )
void x264_cli_plane_copy( uint8_t *dst, int i_dst, uint8_t *src, int i_src, int w, int h )
{
while( h-- )
{
memcpy( dst, src, w );
dst += i_dst;
src += i_src;
}
}
int x264_cli_pic_copy( cli_pic_t *out, cli_pic_t *in )
{
int csp = in->img.csp & X264_CSP_MASK;
FAIL_IF_ERROR( x264_cli_csp_is_invalid( in->img.csp ), "invalid colorspace arg %d\n", in->img.csp );
FAIL_IF_ERROR( in->img.csp != out->img.csp || in->img.height != out->img.height
|| in->img.width != out->img.width, "incompatible frame properties\n" );
/* copy data */
out->duration = in->duration;
out->pts = in->pts;
out->opaque = in->opaque;
for( int i = 0; i < out->img.planes; i++ )
{
int height = in->img.height * x264_cli_csps[csp].height[i];
int width = in->img.width * x264_cli_csps[csp].width[i];
width *= x264_cli_csp_depth_factor( in->img.csp );
x264_cli_plane_copy( out->img.plane[i], out->img.stride[i], in->img.plane[i],
in->img.stride[i], width, height );
}
return 0;
}