forked from tTh/FloatImg
premiere version de l'upscaling qui fonctionne
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@ -1,6 +1,6 @@
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COPT = -Wall -fpic -g -no-pie -DDEBUG_LEVEL=1
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COPT = -Wall -fpic -g -pg -no-pie -DDEBUG_LEVEL=1
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DEPS = ../floatimg.h ../libfloatimg.a Makefile
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all: grabvidseq t
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@ -8,6 +8,8 @@ int init_device(int notused);
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/* --------------------------------------------------------------------- */
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int x_upscaler_0(unsigned char *src, int w, int h, FloatImg *d);
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int x_add_rgb2fimg(unsigned char *src, int w, int h, FloatImg *d);
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int x_rgb2fimg(unsigned char *src, int w, int h, FloatImg *d);
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@ -75,8 +75,9 @@ puts("\t-g\t\tconvert to gray");
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puts("\t-n NNN\t\thow many frames ?");
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puts("\t-O ./\t\tset Output dir");
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puts("\t-o bla\t\tset output filename");
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puts("\t-p NNN\t\tperiod in seconds");
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puts("\t-p NN.N\t\tperiod in seconds");
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puts("\t-s WxH\t\tsize of capture");
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puts("\t-u\t\ttry upscaling...");
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puts("\t-v\t\tincrease verbosity");
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exit(0);
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}
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@ -105,14 +106,15 @@ int width = 640;
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int height = 480;
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double t_final;
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int to_gray = 0;
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int upscaling = 0;
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char *dest_dir = "."; /* no trailing slash */
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char *outfile = "out.pnm";
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#if SAVE_AS_CUMUL
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FloatImg grab, cumul;
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FloatImg cumul;
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#endif
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while ((opt = getopt(argc, argv, "d:ghn:o:O:p:s:v")) != -1) {
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while ((opt = getopt(argc, argv, "d:ghn:o:O:p:s:uv")) != -1) {
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switch(opt) {
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case 'd': dev_name = optarg; break;
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case 'g': to_gray = 1; break;
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@ -121,7 +123,9 @@ while ((opt = getopt(argc, argv, "d:ghn:o:O:p:s:v")) != -1) {
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case 'O': dest_dir = optarg; break;
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case 'o': outfile = optarg; break;
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case 'p': period = 1e6*atof(optarg); break;
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case 's': parse_WxH(optarg, &width, &height); break;
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case 's': parse_WxH(optarg, &width, &height);
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break;
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case 'u': upscaling = 1; break;
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case 'v': verbosity++; break;
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}
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}
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@ -193,12 +197,17 @@ for (i = 0; i < n_buffers; ++i) {
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}
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#if SAVE_AS_CUMUL
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foo = fimg_create(&grab,
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fmt.fmt.pix.width, fmt.fmt.pix.height,
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FIMG_TYPE_RGB);
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foo = fimg_create(&cumul,
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fmt.fmt.pix.width, fmt.fmt.pix.height,
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FIMG_TYPE_RGB);
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if (upscaling) {
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foo = fimg_create(&cumul,
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fmt.fmt.pix.width*2, fmt.fmt.pix.height*2,
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FIMG_TYPE_RGB);
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}
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else {
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foo = fimg_create(&cumul,
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fmt.fmt.pix.width, fmt.fmt.pix.height,
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FIMG_TYPE_RGB);
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}
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fimg_clear(&cumul);
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cumul.fval = 255.0;
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cumul.count = 0;
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@ -256,13 +265,14 @@ for (i = 0; i < nbre_capt; i++) {
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#endif
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#if SAVE_AS_CUMUL
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/** this is the slow version
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x_rgb2fimg(buffers[buf.index].start,
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fmt.fmt.pix.width, fmt.fmt.pix.height, &grab);
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fimg_add(&grab, &cumul, &cumul);
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**/
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x_add_rgb2fimg(buffers[buf.index].start,
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fmt.fmt.pix.width, fmt.fmt.pix.height, &cumul);
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if (upscaling) {
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x_upscaler_0(buffers[buf.index].start,
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fmt.fmt.pix.width, fmt.fmt.pix.height, &cumul);
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}
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else {
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x_add_rgb2fimg(buffers[buf.index].start,
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fmt.fmt.pix.width, fmt.fmt.pix.height, &cumul);
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}
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#endif
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#if SAVE_AS_FIMG
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@ -281,18 +291,19 @@ for (i = 0; i < nbre_capt; i++) {
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}
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t_final = fimg_timer_get(0);
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fprintf(stderr, "pid %d : elapsed time %g s\n", getpid(), t_final);
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fprintf(stderr, "\t%.2f fps\n", (double)nbre_capt / t_final);
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fprintf(stderr, "pid %d : elapsed %g s -> %.2f fps\n", getpid(),
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t_final, (double)nbre_capt / t_final);
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#if SAVE_AS_CUMUL
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if (to_gray) {
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if (verbosity) fputs("converting to gray\n", stderr);
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foo = fimg_to_gray(&cumul);
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}
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// save cumul to file
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foo = fimg_save_as_pnm(&cumul, outfile, 0);
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// free buffers
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fimg_destroy(&grab);
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fimg_destroy(&cumul);
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#endif
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@ -5,15 +5,17 @@
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#include "funcs.h"
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extern int verbosity;
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/*
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* Be careful, these functions are not yet fireproof,
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* and calling conventions are fluctuating.
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*/
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/* --------------------------------------------------------------------- */
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int x_upscaler(unsigned char *src, int w, int h, FloatImg *d)
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int x_upscaler_0(unsigned char *src, int w, int h, FloatImg *d)
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{
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int x, y, xx, yy;
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int x, y, xx, yy, ox, oy;
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// float *rp, *gp, *bp;
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float r, g, b;
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static unsigned short modz;
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@ -26,12 +28,16 @@ if ( d->width != w*2 || d->height != h*2 ) {
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return -2;
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}
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// rp = d->R, gp = d->G, bp = d->B;
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ox = ! (modz & 2);
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oy = ! (modz & 1);
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if (verbosity>2) fprintf(stderr, "%s %5d %d %d\n", __func__,
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modz, ox, oy);
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for (y=0; y<h; y++) {
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yy = (y*2) + ! (modz & 1);
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yy = (y*2) + oy;
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for (x=0; x<w; x++) {
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xx = (x*2) + ! (modz & 2);
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xx = (x*2) + ox;
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r = (float)*src++;
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g = (float)*src++;
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b = (float)*src++;
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