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