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Add some deocration painting,

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add JPEG decode for visible light image - not yet fully working
This commit is contained in:
Nicole Faerber 2021-01-20 00:50:01 +01:00
parent bd4ebe3c59
commit 201a17dc30
6 changed files with 111 additions and 162 deletions
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25
cam-thread.c
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@ -69,6 +69,8 @@ int FFC = 0; // detect FFC
int buf85pointer = 0;
unsigned char buf85[BUF85SIZE];
extern unsigned char *jpeg_buffer;
extern unsigned int jpeg_size;
double
@ -88,6 +90,7 @@ raw2temperature(unsigned short RAW)
void vframe(char ep[],char EP_error[], int r, int actual_length, unsigned char buf[], unsigned char *colormap)
{
static int fcnt=0;
// error handler
time_t now1;
now1 = time(NULL);
@ -262,7 +265,7 @@ void vframe(char ep[],char EP_error[], int r, int actual_length, unsigned char b
fbdata[16*y * 640 + x*16] = color_palette[3 * v + 2]; // B
fbdata[(16*y * 640 + x*16)+1] = color_palette[3 * v + 1]; // G
fbdata[(16*y * 640 + x*16)+2] = color_palette[3 * v]; // R
// fbdata[(16*y * 640 + x*16)+3] = 0x00; // empty
// fbdata[(16*y * 640 + x*16)+3] = 0x7f; // empty
// copy whole 32bit words hor/vert
p1 = (unsigned int *)&fbdata[16*y * 640 + x*16];
@ -308,6 +311,26 @@ void vframe(char ep[],char EP_error[], int r, int actual_length, unsigned char b
// write video to v4l2loopback(s)
// write(fdwr0, fb_proc, framesize0); // gray scale Thermal Image
//write(fdwr1, &buf85[28+ThermalSize], JpgSize); // jpg Visual Image
#if 0
fprintf(stderr, "jpgsize %d\n", JpgSize);
{
char fname[64];
int fdf;
snprintf(fname, 64, "frame-%04d.jpg", fcnt++);
fdf=open(fname, O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR);
write (fdf, &buf85[28+ThermalSize], JpgSize);
close(fdf);
}
#endif
if (jpeg_size == 0 && JpgSize > 0) {
//unsigned char bla[BUF85SIZE];
jpeg_size=JpgSize;
jpeg_buffer=(unsigned char *)malloc(jpeg_size);
// fprintf(stderr, "jpgsize %d %d\n", JpgSize, jpeg_size);
memcpy(jpeg_buffer, &buf85[28+ThermalSize], jpeg_size);
}
if (strncmp ((char *)&buf85[28+ThermalSize+JpgSize+17],"FFC",3)==0) {
FFC=1; // drop all FFC frames