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/*
* Pure Data Packet system implementation. : low level format conversion code
* Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
/* this file contains low level conversion code
it is a wrapper around some machine code routines padded
with some extra c code */
/* don't rely too much on the calling conventions here
this is mainly to tuck away "ugly" parts of the code
that come up in several places */
#ifndef PDP_LLCONV_H
#define PDP_LLCONV_H
#include "pdp.h"
/* all symbols are C style */
#ifdef __cplusplus
extern "C"
{
#endif
/* raw image formats (RIF) descriptions used for low level conversion routines
format: RIF_[component names and order]_[data arganization]_[data type]
component names: R(red), G(green), B(blue), Y(chroma), V(chroma red), U(chroma blue)
component type: [S/U][nb bits] ex: S16, U8
data organization: [P/P[samplefrequency]] ex: P(packed) P411(planar, 2nd and 3rd 2x2 subsampled)
*/
enum RIF {
RIF_YVU__P411_U8,
RIF_YUV__P411_U8,
RIF_YVU__P411_S16,
RIF_YVU__P444_S16,
RIF_YUYV_P____U8,
RIF_RGB__P____U8,
RIF_RGBA_P____U8,
RIF_RGB__P444_S16,
RIF_GREY______S16,
RIF_GREY______U8,
RIF_BGR__P____U8
};
/* pdp_llconv is NOT thread safe !*/
/* gain = 1.0 means maximal */
/* low level convert 2 images */
void pdp_llconv(void *src, int stype, void *dest, int dtype, int w, int h);
#ifdef __cplusplus
}
#endif
#endif
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