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/*
* tcvideo.h - include file for video processing library for transcode
* Written by Andrew Church <achurch@achurch.org>
*
* This file is part of transcode, a video stream processing tool.
* transcode is free software, distributable under the terms of the GNU
* General Public License (version 2 or later). See the file COPYING
* for details.
*/
#ifndef LIBTCVIDEO_TCVIDEO_H
#define LIBTCVIDEO_TCVIDEO_H
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdint.h>
#include "aclib/imgconvert.h"
/*************************************************************************/
/* Handle for calling tcvideo functions, allocated by tcv_init() and passed
* to all other functions to hold internal state information. Opaque to
* the caller. */
typedef struct tcvhandle_ *TCVHandle;
/* Modes for tcv_deinterlace(): */
typedef enum {
TCV_DEINTERLACE_DROP_FIELD_TOP,
TCV_DEINTERLACE_DROP_FIELD_BOTTOM,
TCV_DEINTERLACE_INTERPOLATE,
TCV_DEINTERLACE_LINEAR_BLEND,
} TCVDeinterlaceMode;
/* Filter IDs for tcv_zoom(): */
typedef enum {
TCV_ZOOM_DEFAULT = 0, /* alias for an existing following id */
TCV_ZOOM_HERMITE = 1,
TCV_ZOOM_BOX,
TCV_ZOOM_TRIANGLE,
TCV_ZOOM_BELL,
TCV_ZOOM_B_SPLINE,
TCV_ZOOM_LANCZOS3,
TCV_ZOOM_MITCHELL,
TCV_ZOOM_CUBIC_KEYS4,
TCV_ZOOM_SINC8,
TCV_ZOOM_NULL, /* this one MUST be the last one */
} TCVZoomFilter;
/*************************************************************************/
TCVHandle tcv_init(void);
void tcv_free(TCVHandle handle);
int tcv_clip(TCVHandle handle,
uint8_t *src, uint8_t *dest, int width, int height, int Bpp,
int clip_left, int clip_right, int clip_top, int clip_bottom,
uint8_t black_pixel);
int tcv_deinterlace(TCVHandle handle,
uint8_t *src, uint8_t *dest, int width, int height,
int Bpp, TCVDeinterlaceMode mode);
int tcv_resize(TCVHandle handle,
uint8_t *src, uint8_t *dest, int width, int height, int Bpp,
int resize_w, int resize_h, int scale_w, int scale_h);
int tcv_zoom(TCVHandle handle,
uint8_t *src, uint8_t *dest, int width, int height, int Bpp,
int new_w, int new_h, TCVZoomFilter filter);
int tcv_reduce(TCVHandle handle,
uint8_t *src, uint8_t *dest, int width, int height, int Bpp,
int reduce_w, int reduce_h);
int tcv_flip_v(TCVHandle handle,
uint8_t *src, uint8_t *dest, int width, int height, int Bpp);
int tcv_flip_h(TCVHandle handle,
uint8_t *src, uint8_t *dest, int width, int height, int Bpp);
int tcv_gamma_correct(TCVHandle handle,
uint8_t *src, uint8_t *dest, int width, int height,
int Bpp, double gamma);
int tcv_antialias(TCVHandle handle,
uint8_t *src, uint8_t *dest, int width, int height,
int Bpp, double weight, double bias);
int tcv_convert(TCVHandle handle, uint8_t *src, uint8_t *dest, int width,
int height, ImageFormat srcfmt, ImageFormat destfmt);
const char *tcv_zoom_filter_to_string(TCVZoomFilter filter);
TCVZoomFilter tcv_zoom_filter_from_string(const char *name);
/*************************************************************************/
#endif /* LIBTCVIDEO_TCVIDEO_H */
/*
* Local variables:
* c-file-style: "stroustrup"
* c-file-offsets: ((case-label . *) (statement-case-intro . *))
* indent-tabs-mode: nil
* End:
*
* vim: expandtab shiftwidth=4:
*/
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