57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
///////////////////////////////////////////////////////////////////////////////////
|
|
//-------------------------------------------------------------------------------//
|
|
//-------------------------------------------------------------------------------//
|
|
//-----------H----H--X----X-----CCCCC----22222----0000-----0000------11----------//
|
|
//----------H----H----X-X-----C--------------2---0----0---0----0--1--1-----------//
|
|
//---------HHHHHH-----X------C----------22222---0----0---0----0-----1------------//
|
|
//--------H----H----X--X----C----------2-------0----0---0----0-----1-------------//
|
|
//-------H----H---X-----X---CCCCC-----222222----0000-----0000----1111------------//
|
|
//-------------------------------------------------------------------------------//
|
|
//----------------------------------------------------- http://hxc2001.free.fr --//
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
// File : composite.h
|
|
// Contains: Composite video signal generator
|
|
//
|
|
// This file is part of rf-tools.
|
|
//
|
|
// Written by: Jean-François DEL NERO
|
|
//
|
|
// Copyright (C) 2023 Jean-François DEL NERO
|
|
//
|
|
// You are free to do what you want with this code.
|
|
// A credit is always appreciated if you use it into your product :)
|
|
//
|
|
// Change History (most recent first):
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
typedef struct composite_state_
|
|
{
|
|
double sample_period;
|
|
|
|
int buf_x_res;
|
|
int buf_y_res;
|
|
|
|
uint32_t * video_buffer;
|
|
|
|
int cur_line_index;
|
|
int step_index;
|
|
int repeat_cnt;
|
|
|
|
double cur_state_time;
|
|
|
|
}composite_state;
|
|
|
|
typedef struct pulses_state_
|
|
{
|
|
int repeat;
|
|
double start_val;
|
|
double end_val;
|
|
double first_duration;
|
|
double total_duration;
|
|
int type;
|
|
}pulses_state;
|
|
|
|
|
|
void init_composite(composite_state * state, int sample_rate, int x_res, int y_res, uint32_t * bmp);
|
|
void gen_video_signal(composite_state * state, double * vid_signal, int buf_size);
|