vanhofen
3 years ago
2 changed files with 379 additions and 0 deletions
@ -0,0 +1,11 @@ |
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--- a/configure.ac
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+++ b/configure.ac
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@@ -1,5 +1,6 @@
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-AC_INIT(main.c)
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-AM_INIT_AUTOMAKE(grab,1.0)
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+AC_INIT([grab], [1.0])
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+AC_CONFIG_SRCDIR([main.c])
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+AM_INIT_AUTOMAKE
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AC_PROG_CC |
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AC_OPENMP() |
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@ -0,0 +1,368 @@ |
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--- a/main.c
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+++ b/main.c
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@@ -121,6 +121,36 @@
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return x->tv_sec < y->tv_sec; |
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} |
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#endif |
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+
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+int proc_get(const char *path, char *value, const int len)
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+{
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+ int ret, ret2;
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+ int pfd = open(path, O_RDONLY);
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+ if (pfd < 0)
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+ return pfd;
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+ ret = read(pfd, value, len);
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+ value[len-1] = '\0'; /* make sure string is terminated */
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+ if (ret >= 0)
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+ {
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+ while (ret > 0 && isspace(value[ret-1]))
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+ ret--; /* remove trailing whitespace */
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+ value[ret] = '\0'; /* terminate, even if ret = 0 */
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+ }
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+ ret2 = close(pfd);
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+ if (ret2 < 0)
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+ return ret2;
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+ return ret;
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+}
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+
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+unsigned int proc_get_hex(const char *path)
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+{
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+ unsigned int n, ret = 0;
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+ char buf[16];
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+ n = proc_get(path, buf, 16);
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+ if (n > 0)
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+ sscanf(buf, "%x", &ret);
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+ return ret;
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+}
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#define VIDEO_DEV "/dev/video" |
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@@ -146,11 +176,12 @@
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}; |
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void getvideo(unsigned char *video, int *xres, int *yres); |
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-void getvideo2(unsigned char *video, int *xres, int *yres);
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+void getvideo2(unsigned char *video, int *xres, int *yres, int video_dev);
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void getosd(unsigned char *osd, int *xres, int *yres); |
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void smooth_resize(const unsigned char *source, unsigned char *dest, int xsource, int ysource, int xdest, int ydest, int colors); |
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void fast_resize(const unsigned char *source, unsigned char *dest, int xsource, int ysource, int xdest, int ydest, int colors); |
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void (*resize)(const unsigned char *source, unsigned char *dest, int xsource, int ysource, int xdest, int ydest, int colors); |
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+void combine_video(unsigned char *output, const unsigned char *input, int xres, int yres, int pip);
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void combine(unsigned char *output, const unsigned char *video, const unsigned char *osd, int vleft, int vtop, int vwidth, int vheight, int xres, int yres); |
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#if !defined(__sh__) |
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@@ -171,18 +202,18 @@
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int main(int argc, char **argv) |
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{ |
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int xres_v,yres_v,xres_o,yres_o,xres,yres,aspect; |
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- int c,osd_only,video_only,use_osd_res,width,use_png,use_jpg,jpg_quality,no_aspect,use_letterbox;
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+ int c,osd_only,video_only,use_osd_res,width,use_png,use_jpg,jpg_quality,no_aspect,use_letterbox,pips;
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// we use fast resize as standard now |
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resize = &fast_resize; |
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- osd_only=video_only=use_osd_res=width=use_png=use_jpg=no_aspect=use_letterbox=0;
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+ osd_only=video_only=use_osd_res=width=use_png=use_jpg=no_aspect=use_letterbox=pips=0;
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jpg_quality=50; |
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aspect=1; |
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int dst_left = 0, dst_top = 0, dst_width = 0, dst_height = 0; |
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- unsigned char *video, *osd, *output;
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+ unsigned char *video, *video1, *video2, *video3, *osd, *output;
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int output_bytes=3; |
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const char* filename = "/tmp/screenshot.bmp"; |
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@@ -612,7 +643,7 @@
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} |
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// process command line |
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- while ((c = getopt (argc, argv, "dhj:lbnopqr:svi:")) != -1)
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+ while ((c = getopt (argc, argv, "dhj:lbnopqr:svix:")) != -1)
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{ |
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switch (c) |
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{ |
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@@ -634,6 +665,7 @@
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"-p produce png files instead of bmp\n" |
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"-q Quiet mode, don't output debug messages\n" |
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"-s write to stdout instead of a file\n" |
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+ "-x (count) additional PIP count (count 1-3)\n"
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"-h this help screen\n\n" |
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"If no command is given the complete picture will be grabbed.\n" |
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"If no filename is given /tmp/screenshot.[bmp/jpg/png] will be used.\n"); |
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@@ -689,6 +721,14 @@
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case 'n': |
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no_aspect=1; |
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break; |
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+ case 'x':
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+ pips=atoi(optarg);
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+ if (pips > 3)
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+ {
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+ fprintf(stderr, "Error: -x (additional PIP count) is limited to 3 !\n");
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+ return 1;
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+ }
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+ break;
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} |
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} |
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if (optind < argc) // filename |
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@@ -700,6 +740,12 @@
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mallocsize=720*576; |
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video = (unsigned char *)malloc(mallocsize*3); |
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+ if (pips > 0)
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+ video1 = (unsigned char *)malloc(mallocsize*3);
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+ if (pips > 1)
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+ video2 = (unsigned char *)malloc(mallocsize*3);
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+ if (pips > 2)
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+ video3 = (unsigned char *)malloc(mallocsize*3);
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osd = (unsigned char *)malloc(mallocsize*4); |
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if ((stb_type == VULCAN || stb_type == PALLAS) && width > 720) |
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@@ -718,7 +764,26 @@
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fprintf(stderr, "Grabbing Video ...\n"); |
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if (stb_type == BRCM7366 || stb_type == BRCM7251 || stb_type == BRCM7252 || stb_type == BRCM7252S || stb_type == BRCM7444 || stb_type == BRCM72604VU || stb_type == BRCM7278 || stb_type == HISIL_ARM) |
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{ |
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- getvideo2(video, &xres_v,&yres_v);
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+ getvideo2(video, &xres_v,&yres_v, 0);
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+ if (pips > 0)
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+ {
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+ memset(video, 0, xres_v * yres_v * 3);
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+ getvideo2(video1, &xres_v,&yres_v, 0);
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+ combine_video(video, video1, xres_v, yres_v, 0);
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+ memset(video1, 0, xres_v * yres_v * 3);
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+ getvideo2(video1, &xres_v,&yres_v, 1);
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+ combine_video(video, video1, xres_v, yres_v, 1);
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+ }
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+ if (pips > 1)
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+ {
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+ getvideo2(video2, &xres_v,&yres_v, 2);
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+ combine_video(video, video2, xres_v, yres_v, 2);
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+ }
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+ if (pips > 2)
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+ {
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+ getvideo2(video3, &xres_v,&yres_v, 3);
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+ combine_video(video, video3, xres_v, yres_v, 3);
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+ }
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} |
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else |
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{ |
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@@ -739,41 +804,11 @@
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} |
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else |
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{ |
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- fp = fopen("/proc/stb/vmpeg/0/aspect", "r");
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- if (fp)
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- {
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- while (fgets(buf,sizeof(buf), fp))
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- sscanf(buf,"%x",&aspect);
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- fclose(fp);
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- }
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- fp = fopen("/proc/stb/vmpeg/0/dst_width", "r");
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- if (fp)
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- {
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- while (fgets(buf,sizeof(buf), fp))
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- sscanf(buf,"%x",&dst_width);
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- fclose(fp);
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- }
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- fp = fopen("/proc/stb/vmpeg/0/dst_height", "r");
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- if (fp)
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- {
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- while (fgets(buf,sizeof(buf), fp))
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- sscanf(buf,"%x",&dst_height);
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- fclose(fp);
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- }
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- fp = fopen("/proc/stb/vmpeg/0/dst_top", "r");
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- if (fp)
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- {
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- while (fgets(buf,sizeof(buf), fp))
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- sscanf(buf,"%x",&dst_top);
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- fclose(fp);
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- }
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- fp = fopen("/proc/stb/vmpeg/0/dst_left", "r");
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- if (fp)
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- {
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- while (fgets(buf,sizeof(buf), fp))
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- sscanf(buf,"%x",&dst_left);
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- fclose(fp);
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- }
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+ aspect = proc_get_hex("/proc/stb/vmpeg/0/aspect");
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+ dst_width = proc_get_hex("/proc/stb/vmpeg/0/dst_width");
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+ dst_height = proc_get_hex("/proc/stb/vmpeg/0/dst_height");
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+ dst_top = proc_get_hex("/proc/stb/vmpeg/0/dst_top");
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+ dst_left = proc_get_hex("/proc/stb/vmpeg/0/dst_left");
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if (dst_width == 720) dst_width = 0; |
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if (dst_height == 576) dst_height = 0; |
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} |
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@@ -833,7 +868,7 @@
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resize(osd, output, xres_o, yres_o, xres, yres, 4); |
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memcpy(osd, output, xres * yres * 4); |
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} |
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- if (xres_v != dst_width || yres_v != dst_height)
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+ if ((xres_v != dst_width || yres_v != dst_height) && (pips == 0))
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{ |
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if (!quiet) |
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fprintf(stderr, "Resizing Video to %d x %d ...\n", dst_width, dst_height); |
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@@ -857,7 +892,10 @@
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{ |
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if (!quiet) |
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fprintf(stderr, "Merge Video with Framebuffer ...\n"); |
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- combine(output, video, osd, dst_left, dst_top, dst_width ? dst_width : xres, dst_height ? dst_height : yres, xres, yres);
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+ if (pips == 0)
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+ combine(output, video, osd, dst_left, dst_top, dst_width ? dst_width : xres, dst_height ? dst_height : yres, xres, yres);
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+ else
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+ combine(output, video, osd, 0, 0, xres, yres, xres, yres);
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} |
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// resize to specific width ? |
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@@ -1045,7 +1083,7 @@
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// grabing the video picture |
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-void getvideo2(unsigned char *video, int *xres, int *yres)
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+void getvideo2(unsigned char *video, int *xres, int *yres, int video_dev)
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{ |
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char buf[256]; |
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sprintf(buf, "/dev/dvb/adapter0/video%d", video_dev); |
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@@ -1116,10 +1154,7 @@
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munmap((void*)data, 100); |
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- fp=fopen("/proc/stb/vmpeg/0/yres","r");
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- while (fgets(buf,sizeof(buf),fp))
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- sscanf(buf,"%x",&res);
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- fclose(fp);
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+ res = proc_get_hex("/proc/stb/vmpeg/0/yres");
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if (!adr || !adr2) |
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{ |
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@@ -1514,25 +1549,8 @@
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*xres=0; |
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*yres=0; |
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- fp = fopen("/proc/stb/vmpeg/0/xres","r");
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- if (fp)
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- {
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- while (fgets(buf,sizeof(buf),fp))
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- {
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- sscanf(buf,"%x",&stride);
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- }
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- fclose(fp);
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- }
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-
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- fp = fopen("/proc/stb/vmpeg/0/yres","r");
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- if (fp)
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- {
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- while (fgets(buf,sizeof(buf),fp))
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- {
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- sscanf(buf,"%x",&res);
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- }
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- fclose(fp);
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- }
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+ stride = proc_get_hex("/proc/stb/vmpeg/0/xres");
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+ res = proc_get_hex("/proc/stb/vmpeg/0/yres");
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if((stride == 0) || (res == 0)) return; |
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@@ -1685,24 +1703,8 @@
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*xres=0; |
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*yres=0; |
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- fp = fopen("/proc/stb/vmpeg/0/xres","r");
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- if (fp)
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- {
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- while (fgets(buf,sizeof(buf),fp))
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- {
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- sscanf(buf,"%x",&stride);
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- }
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- fclose(fp);
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- }
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- fp = fopen("/proc/stb/vmpeg/0/yres","r");
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- if (fp)
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- {
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- while (fgets(buf,sizeof(buf),fp))
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- {
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- sscanf(buf,"%x",&res);
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- }
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- fclose(fp);
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- }
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+ stride = proc_get_hex("/proc/stb/vmpeg/0/xres");
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+ res = proc_get_hex("/proc/stb/vmpeg/0/yres");
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//if stride and res are zero return (please note that stillpictures will not be captured) |
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if((stride == 0)&&(res == 0)) return; |
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@@ -1929,24 +1931,8 @@
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else if (stb_type == XILLEON) |
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{ |
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// grab xilleon pic from decoder memory |
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- fp = fopen("/proc/stb/vmpeg/0/xres","r");
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- if (fp)
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- {
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- while (fgets(buf,sizeof(buf),fp))
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- {
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- sscanf(buf,"%x",&stride);
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- }
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- fclose(fp);
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- }
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- fp = fopen("/proc/stb/vmpeg/0/yres","r");
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- if (fp)
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- {
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- while (fgets(buf,sizeof(buf),fp))
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- {
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- sscanf(buf,"%x",&res);
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- }
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- fclose(fp);
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- }
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+ stride = proc_get_hex("/proc/stb/vmpeg/0/xres");
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+ res = proc_get_hex("/proc/stb/vmpeg/0/yres");
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if(!(memory = (unsigned char*)mmap(0, 1920*1152*6, PROT_READ, MAP_SHARED, mem_fd, 0x6000000))) |
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{ |
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@@ -2459,6 +2445,48 @@
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} |
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} |
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} |
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+// combining 2 videos
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+void combine_video(unsigned char *output, const unsigned char *input, int xres, int yres, int pip)
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+{
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+ printf("combine video %d\n", pip);
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+ int dst_width, dst_height;
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+ int dst_x,dst_y;
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+ char vmpeg[64];
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+ unsigned char *r_input;
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+
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+ sprintf(vmpeg, "/proc/stb/vmpeg/%d/dst_width", pip);
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+ dst_width = proc_get_hex(vmpeg);
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+ dst_width = (int)(dst_width*xres/720);
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+
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+ sprintf(vmpeg, "/proc/stb/vmpeg/%d/dst_height", pip);
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+ dst_height = proc_get_hex(vmpeg);
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+ dst_height = (int)(dst_height*yres/576);
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+
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+ sprintf(vmpeg, "/proc/stb/vmpeg/%d/dst_left", pip);
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+ dst_x = proc_get_hex(vmpeg);
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+ dst_x = (int)(dst_x*xres/720);
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+
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+ sprintf(vmpeg, "/proc/stb/vmpeg/%d/dst_top", pip);
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+ dst_y = proc_get_hex(vmpeg);
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+ dst_y = (int)(dst_y*yres/576);
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+
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+ r_input = (unsigned char *)malloc(dst_width*dst_height*3);
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+ fprintf(stderr, "Resizing Video to %d x %d ...\n", dst_width, dst_height);
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+ resize(input, r_input, xres, yres, dst_width, dst_height, 3);
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+
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+ int ypos,xpos;
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+ for (ypos = dst_y; ypos < dst_y+dst_height; ypos++)
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+ {
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+ int o_pos = ypos * xres * 3;
|
||||
|
+ for (xpos = dst_x; xpos < dst_x+dst_width; xpos++)
|
||||
|
+ {
|
||||
|
+ int pixel = ((ypos - dst_y) * dst_width + (xpos - dst_x)) * 3;
|
||||
|
+ output[dst_x*3+o_pos++] = r_input[pixel];
|
||||
|
+ output[dst_x*3+o_pos++] = r_input[pixel + 1];
|
||||
|
+ output[dst_x*3+o_pos++] = r_input[pixel + 2];
|
||||
|
+ }
|
||||
|
+ }
|
||||
|
+}
|
||||
|
|
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|
// combining pixmaps by using an alphamap |
||||
|
void combine(unsigned char *output, const unsigned char *video, const unsigned char *osd, int vleft, int vtop, int vwidth, int vheight, int xres, int yres) |
||||
Loading…
Reference in new issue