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99 lines
2.9 KiB
C
99 lines
2.9 KiB
C
#ifndef YUVCONF_H
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#define YUVCONF_H
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/*
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* subsample.h: Routines to do chroma subsampling. ("Work In Progress")
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*
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*
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* Copyright (C) 2001 Matthew J. Marjanovic <maddog@mir.com>
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* 2004 Niels Elburg <nelburg@looze.net>
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#include <libvje/vje.h>
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typedef enum subsample_mode {
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SSM_UNKNOWN = 0,
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SSM_420_JPEG_TR = 1,
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SSM_420_JPEG_BOX = 2,
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SSM_420_MPEG2 = 3,
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SSM_422_444 = 4,
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SSM_420_422 = 5,
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SSM_COUNT = 6,
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} subsample_mode_t;
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extern const char *ssm_id[SSM_COUNT];
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extern const char *ssm_description[SSM_COUNT];
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void *subsample_init(int buf_len);
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void subsample_free(void *sampler);
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void chroma_subsample(subsample_mode_t mode, void *sampler, uint8_t * ycbcr[],
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int width, int height);
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void chroma_supersample(subsample_mode_t mode, void *sampler, uint8_t * ycbcr[],
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int width, int height);
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// yuv 4:2:2 packed to yuv 4:2:0 planar
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void yuy2toyv12( uint8_t *y, uint8_t *u, uint8_t *v, uint8_t *in, int w, int h);
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// yuv 4:2:2 packet to yuv 4:2:2 planar
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void yuy2toyv16( uint8_t *y, uint8_t *u, uint8_t *v, uint8_t *in, int w, int h);
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// yuv 4:2:2 planar to yuv 4:2:2 packed
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void yuv422p_to_yuv422( uint8_t *yuv422[3], uint8_t *dst, int w, int h );
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// yuv 4:2:2 planar to yuv 4:2:0 planar
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void yuv420p_to_yuv422( uint8_t *yuv420[3], uint8_t *dst, int w, int h );
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// yuv 4:2:2 planar to YUYV
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void yuv422_to_yuyv( uint8_t *yuv422[3], uint8_t *dst, int w, int h );
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// scene detection
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int luminance_mean(uint8_t * frame[], int w, int h);
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/* software scaler from ffmpeg project: */
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typedef struct
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{
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float lumaGBlur;
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float chromaGBlur;
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float lumaSarpen;
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float chromaSharpen;
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float chromaHShift;
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float chromaVShift;
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int verbose;
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int flags;
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int use_filter;
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} sws_template;
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void* yuv_init_swscaler(VJFrame *src, VJFrame *dst, sws_template *templ, int cpu_flags);
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void yuv_convert_and_scale( void *sws, VJFrame *src, VJFrame *dst );
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void yuv_convert_and_scale_rgb( void *sws, VJFrame *src, VJFrame *dst );
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int yuv_sws_get_cpu_flags(void);
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void yuv_free_swscaler(void *sws);
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void yuv_crop(VJFrame *src, VJFrame *dst, VJRectangle *rect );
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VJFrame *yuv_allocate_crop_image( VJFrame *src, VJRectangle *rect );
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#endif
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