diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/charmaps.h | 1292 | ||||
| -rw-r--r-- | include/pdp_streaming.h | 34 | ||||
| -rw-r--r-- | include/yuv.h | 31 |
3 files changed, 1357 insertions, 0 deletions
diff --git a/include/charmaps.h b/include/charmaps.h new file mode 100644 index 0000000..9caed3a --- /dev/null +++ b/include/charmaps.h @@ -0,0 +1,1292 @@ +#ifndef __bitmaps_h__ +#define __bitmaps_h__ + +#define CHARWIDTH 5 +#define CHARHEIGHT 8 +#define NBCHARS 128 + +typedef char charmap[CHARWIDTH*CHARHEIGHT]; + +static charmap charmaps[NBCHARS] = { +{ +0,0,0,0,0, +0,0,1,0,0, +0,1,1,1,0, +1,1,1,1,0, +0,1,1,1,0, +0,0,1,0,0, +0,0,0,0,0, +0,0,0,0,0, +}, +{ +0,0,0,0,0, +0,0,1,0,0, +0,0,1,0,0, +1,1,0,1,1, +0,1,0,1,0, +0,0,1,0,0, +0,1,0,1,0, +0,0,1,0,0, +}, +{ +0,0,0,0,0, +0,0,1,0,0, +0,1,0,1,0, +0,1,0,1,0, +0,1,1,1,0, +0,0,0,0,0, +1,0,0,1,0, +1,0,0,1,0, +}, +{ +0,0,0,0,0, +0,0,1,0,0, +1,1,1,1,0, +0,0,0,1,0, +1,1,1,1,0, +0,0,1,0,0, +0,0,0,0,0, +0,0,0,0,0, +}, +{ +0,0,0,0,0, +0,0,1,0,0, +0,1,0,1,0, +0,0,1,0,0, +0,1,0,1,0, +0,0,1,0,0, +0,1,0,1,0, +0,0,1,0,0, +}, +{ +0,1,0,1,0, +0,1,0,1,0, +0,1,1,1,0, +0,1,0,1,0, +0,1,0,1,0, +0,0,1,1,0, +0,0,0,1,0, +0,0,0,1,0, +}, +{ +1,1,1,0,0, +1,0,0,0,0, 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recognize the beginning + * of a packet, then header informations ( width, height, timestamp ) + * and, finally, the bz2 compressed data + */ + +#include <time.h> +#include <sys/time.h> + +#define TAG_LENGTH 8 + +#define PDP_PACKET_START "SPDP" +#define PDP_PACKET_TAG PDP_PACKET_START"PAC" +#define PDP_PACKET_DIFF PDP_PACKET_START"DIF" +#define REGULAR 0 +#define HUFFMAN 1 + +typedef struct _hpacket +{ + char tag[TAG_LENGTH]; + int encoding; + int width; + int height; + struct timeval etime; // valid until 2038 + unsigned int clength; +} t_hpacket; diff --git a/include/yuv.h b/include/yuv.h new file mode 100644 index 0000000..554553d --- /dev/null +++ b/include/yuv.h @@ -0,0 +1,31 @@ +/* + * EffecTV - Realtime Digital Video Effector + * Copyright (C) 2001-2002 FUKUCHI Kentaro + * + * yuv.c: YUV(YCbCr) color system utilities + * + */ + +#include <math.h> + +/* + * conversion from YUV to RGB + * r = 1.164*(y-16) + 1.596*(v-128); + * g = 1.164*(y-16) - 0.813*(v-128) - 0.391*(u-128); + * b = 1.164*(y-16) + 2.018*(u-128); + * conversion from RGB to YUV + * y = 0.257*r + 0.504*g + 0.098*b + 16 + * u = -0.148*r - 0.291*g + 0.439*b + 128 + * v = 0.439*r - 0.368*g - 0.071*b + 128 + */ + +int yuv_init(void); +unsigned char yuv_RGBtoY(int rgb); +unsigned char yuv_RGBtoU(int rgb); +unsigned char yuv_RGBtoV(int rgb); +unsigned char yuv_YUVtoR(unsigned char y, unsigned char u, unsigned char v); +unsigned char yuv_YUVtoG(unsigned char y, unsigned char u, unsigned char v); +unsigned char yuv_YUVtoB(unsigned char y, unsigned char u, unsigned char v); +int yuv_YUVtoRGB(unsigned char y, unsigned char u, unsigned char v); +void yuv_Y122RGB( short int* packet, unsigned int *rgb, int width, int height ); +void yuv_RGB2Y12( unsigned int *rgb, short int* packet, int width, int height ); |