forked from tTh/FloatImg
minor improvments
This commit is contained in:
tonton Th
parent
312f892576
commit
c48a3e4870
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@ -18,10 +18,10 @@ v4l2_pr_structs.o: v4l2_pr_structs.c v4l2_pr_structs.h Makefile
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gcc ${COPT} -c $<
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grabvidseq: grabvidseq.c ${DEPS} rgb2fimg.o
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gcc ${COPT} $< rgb2fimg.o ../libfloatimg.a -lz -lm -lv4l2 -o $@
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gcc ${COPT} $< rgb2fimg.o ../libfloatimg.a -lpnglite -lz -lm -lv4l2 -o $@
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video-infos: video-infos.c Makefile funcs.o v4l2_pr_structs.o
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gcc -Wall -g $< funcs.o v4l2_pr_structs.o -o $@
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gcc -Wall -g $< funcs.o v4l2_pr_structs.o ../libfloatimg.a -o $@
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# ---------------
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24
v4l2/funcs.c
24
v4l2/funcs.c
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@ -2,18 +2,22 @@
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* V4L2 functions - ugly source code
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <fcntl.h> /* low-level i/o */
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#include <unistd.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <sys/mman.h>
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#include <sys/ioctl.h>
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#include <fcntl.h> /* low-level i/o */
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#include <unistd.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <sys/mman.h>
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#include <sys/ioctl.h>
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#include <linux/videodev2.h>
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#include <linux/videodev2.h>
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#include "../floatimg.h"
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#include "funcs.h"
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/* --------------------------------------------------------------------- */
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@ -215,7 +219,7 @@ fprintf(stderr, ">>> %s ( %d )\n", __func__, notused);
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if (-1 == xioctl(fd, VIDIOC_QUERYCAP, &cap)) {
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if (EINVAL == errno) {
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fprintf(stderr, "%s is no V4L2 device\n", dev_name);
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fprintf(stderr, "%s is not a V4L2 device\n", dev_name);
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exit(EXIT_FAILURE);
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} else {
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errno_exit("VIDIOC_QUERYCAP");
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@ -59,7 +59,7 @@ fputs("\n", FP);
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/* --------------------------------------------------------------------- */
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int pr_v4l2_capability(char *txt, struct v4l2_capability *ptr)
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{
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fprintf(FP, "-- v4l2_capability, %-15s %p\n", txt, ptr);
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fprintf(FP, "## v4l2_capability, %-15s %p\n", txt, ptr);
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fprintf(FP, " driver %s\n", ptr->driver);
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fprintf(FP, " card %s\n", ptr->card);
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@ -115,7 +115,7 @@ return "???";
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/* --------------------------------------------------------------------- */
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int pr_v4l2_fmtdesc(char *txt, struct v4l2_fmtdesc *ptr)
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{
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fprintf(FP, "-- v4l2_fmtdesc, %-15s %p\n", txt, ptr);
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fprintf(FP, "## v4l2_fmtdesc, %-15s %p\n", txt, ptr);
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fprintf(FP, " index %d\n", ptr->index);
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fprintf(FP, " type %d\n", ptr->type); /* enum v4l2_buf_type */
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@ -170,7 +170,7 @@ if (st & V4L2_IN_CAP_NATIVE_SIZE) fputs("nativsz ", FP);
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/* --------------------------------------------------------------------- */
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int pr_v4l2_input(char *txt, struct v4l2_input *ptr)
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{
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fprintf(FP, "-- v4l2_input, %-15s %p\n", txt, ptr);
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fprintf(FP, "## v4l2_input, %-15s %p\n", txt, ptr);
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fprintf(FP, " index %d\n", ptr->index);
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fprintf(FP, " name %s\n", ptr->name);
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@ -218,7 +218,7 @@ return "???";
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/* --------------------------------------------------------------------- */
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int pr_v4l2_format(char *txt, struct v4l2_format *ptr)
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{
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fprintf(FP, "-- v4l2_format, %-15s %p\n", txt, ptr);
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fprintf(FP, "## v4l2_format, %-15s %p\n", txt, ptr);
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fprintf(FP, " type %d %s\n", ptr->type,/* enum v4l2_buf_type */
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fmttype2str(ptr->type));
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@ -250,7 +250,7 @@ return 0;
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/* --------------------------------------------------------------------- */
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int pr_v4l2_requestbuffers(char *txt, struct v4l2_requestbuffers *ptr)
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{
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fprintf(FP, "-- v4l2_requestbuffers, %s %p\n", txt, ptr);
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fprintf(FP, "## v4l2_requestbuffers, %s %p\n", txt, ptr);
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fprintf(FP, " type %d\n", ptr->type); /* enum v4l2_buf_type */
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@ -28,7 +28,7 @@ int enum_image_framesizes(int fd, char *txt, int k)
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int foo, idx;
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struct v4l2_frmsizeenum fmtsz;
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printf("-- image framesizes enumeration (%s)\n", txt);
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printf("## image framesizes enumeration (%s)\n", txt);
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for (idx=0; ; idx++) {
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memset(&fmtsz, 0, sizeof(fmtsz));
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@ -57,7 +57,7 @@ int enum_image_formats(int fd, char *txt, int k)
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int foo, idx;
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struct v4l2_fmtdesc fmtd;
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printf("-- image formats enumeration (%s)\n", txt);
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printf("## image formats enumeration (%s)\n", txt);
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idx = 0;
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for (;;) {
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@ -93,7 +93,7 @@ int index, foo;
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struct v4l2_input input;
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char ligne[50];
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printf("-- inputs enumeration (%s)\n", txt);
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printf("## inputs enumeration (%s)\n", txt);
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index = 0;
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for(;;) {
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@ -130,7 +130,7 @@ struct v4l2_queryctrl qctrl;
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int idx;
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printf("-- controls enumeration '%s'\n", txt);
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printf("## controls enumeration '%s'\n", txt);
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memset (&qctrl, 0, sizeof (qctrl));
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@ -148,7 +148,7 @@ for (idx=V4L2_CID_BASE; idx<V4L2_CID_LASTP1; idx++) {
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continue;
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}
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printf(" %-32s %-10s [%d..%d]\n",
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printf(" %-40s %-10s [%d..%d]\n",
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qctrl.name,
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str_ctrl_type(qctrl.type),
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qctrl.minimum, qctrl.maximum);
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@ -179,7 +179,7 @@ int enum_extended_controls(int fd, char *txt, int k)
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struct v4l2_queryctrl qctrl;
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int idx;
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printf("-- extended controls enumeration '%s'\n", txt);
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printf("##- extended controls enumeration '%s'\n", txt);
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memset(&qctrl, 0, sizeof(qctrl));
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qctrl.id = V4L2_CTRL_FLAG_NEXT_CTRL;
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@ -200,7 +200,7 @@ while (0 == ioctl (fd, VIDIOC_QUERYCTRL, &qctrl)) {
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return -1;
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}
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/* --------------------------------------------------------------------- */
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int show_webcam_infos(char *devname, char *title, int k)
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int show_webcam_infos(char *devname, char *title, int k, int type)
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{
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int vfd, foo;
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char ligne[100];
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@ -213,7 +213,7 @@ struct v4l2_format fmt;
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// struct v4l2_requestbuffers reqbuf;
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#if DEBUG_LEVEL
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fprintf(stderr, ">>> %s ( '%s' %d )\n", __func__, devname, k);
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fprintf(stderr, ">>> %s ( '%s' %d %d)\n", __func__, devname, k, type);
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#endif
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vfd = open_device(devname);
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@ -245,13 +245,17 @@ else {
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pr_v4l2_format("Experimental", &fmt);
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}
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foo = enum_image_formats(vfd, "Experimental", 0);
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if (type) {
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foo = enum_controls(vfd, "is that working ?", 0);
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;
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foo = enum_extended_controls(vfd, "looking for extended", 0);
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enum_image_framesizes(vfd, "code pas fini", 0);
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}
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else {
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foo = enum_image_formats(vfd, "Experimental", 0);
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foo = enum_controls(vfd, "is that working ?", 0);
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foo = enum_extended_controls(vfd, "looking for extended", 0);
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enum_image_framesizes(vfd, "code pas fini", 0);
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}
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close(vfd);
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@ -267,12 +271,15 @@ return -1;
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static void help(int k)
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{
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puts("Options :");
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puts("\t-e N\t\texamine that, please");
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puts("\t-d\t\tselect the video device");
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puts("\t-K\t\tset the K parameter");
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puts("\t-l\t\tlist video devices");
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puts("\t-T bla\t\tadd a title");
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puts("\t-v\t\tincrease verbosity");
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// if (verbosity)
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{ puts(""); fimg_print_version(1); }
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exit(0);
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}
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/* --------------------------------------------------------------------- */
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@ -293,14 +300,15 @@ puts("\n");
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int main(int argc, char *argv[])
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{
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int foo, opt;
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int etype = 0;
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char *device = "/dev/video0";
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char *title = NULL;
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int K = 0;
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while ((opt = getopt(argc, argv, "d:hK:lT:v")) != -1) {
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while ((opt = getopt(argc, argv, "d:e:hK:lT:v")) != -1) {
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switch(opt) {
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case 'd': device = optarg; break;
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case 'e': etype = atol(optarg); break;
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case 'h': help(0); break;
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case 'K': K = atol(optarg); break;
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case 'l': liste_des_devices(0); break;
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@ -313,7 +321,7 @@ if (NULL != title) {
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print_title(title);
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}
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foo = show_webcam_infos(device, "", K);
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foo = show_webcam_infos(device, "", K, etype);
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fprintf(stderr, "\n\tshow_webcam_infos -> %d\n", foo);
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return 0;
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