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Added pixelflut client code

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This commit is contained in:
jaseg 2016-05-27 20:07:47 +02:00
parent 16f41a5298
commit 4e5d910e5b
2 changed files with 20 additions and 7 deletions
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15
pixelflut.c
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@ -9,6 +9,17 @@
#include <unistd.h>
#include <errno.h>
static uint8_t *images[2048] = { 0 };
static int image_count = 0;
int store_image(const uint8_t *img, int w, int h) {
if (image_count >= sizeof(images)/sizeof(images[0]))
return -1;
images[image_count] = malloc(w*h*4);
memcpy(images[image_count], img, w*h*4);
return image_count++;
}
#define PIXEL_FORMAT "PX %zd %zd %02x%02x%02x\n"
int cct(const char *target, int port) {
printf("Reconnecting %s:%d\n", target, port);
@ -35,7 +46,7 @@ int cct(const char *target, int port) {
return sockfd;
}
int sendframe(int fd, uint8_t *img, int w, int h, int ox, int oy) {
int sendframe(int fd, int idx, int w, int h, int ox, int oy) {
static unsigned long fcnt=0;
printf("frame %lu %dx%d @pos %dx%d\n", fcnt++, w, h, ox, oy);
int fmtlen = snprintf(NULL, 0, PIXEL_FORMAT, (size_t)1000, (size_t)1000, 0xff, 0xff, 0xff);
@ -47,7 +58,7 @@ int sendframe(int fd, uint8_t *img, int w, int h, int ox, int oy) {
char *p = out;
for (size_t x=0; x<w; x++) {
for (size_t y=0; y<h; y++) {
uint8_t *px = img + (y*w + x)*4;
uint8_t *px = images[idx] + (y*w + x)*4;
uint8_t r = px[0], g = px[1], b = px[2], a = px[3];
if (a != 255)
continue;