Re: [V4L] mpe1 configuration

Ivan Eyara wrote:
> Is there any way to configure mp1e 1.7.1 in order to make it capture
> video from the Composite1 input?.

  There is a patch allowing mp1e to select its source from a command line
switch.

-- 
  y.

diff -ur mp1e-1.7/global.h mp1e-1.7-fefe/global.h
--- mp1e-1.7/global.h	Fri Jan 21 16:45:19 2000
+++ mp1e-1.7-fefe/global.h	Tue Feb 22 00:41:29 2000
@@ -148,6 +148,8 @@
 extern int		vid_buffers;
 extern int		aud_buffers;
 
+extern int		source;
+
 extern pthread_mutex_t	mux_mutex;
 extern pthread_cond_t	mux_cond;
 
diff -ur mp1e-1.7/io.c mp1e-1.7-fefe/io.c
--- mp1e-1.7/io.c	Sat Feb 19 01:10:40 2000
+++ mp1e-1.7-fefe/io.c	Tue Feb 22 00:41:31 2000
@@ -234,6 +234,13 @@
 
 	printv(2, "Opened %s ('%s')\n", cap_dev, vcap.name);
 
+	if (source != 0) {
+	  chan.channel=source;
+	  ASSERT("query video channel", ioctl(cap_fd, VIDIOCGCHAN, &chan) == 0);
+	  printv(2, "channel %s.\n",chan.name);
+	  ASSERT("set video channel", ioctl(cap_fd, VIDIOCSCHAN, &chan) == 0);
+	}
+
 	ASSERT("query video channel", ioctl(cap_fd, VIDIOCGCHAN, &chan) == 0);
 
 	if (chan.norm==0)/* PAL */
diff -ur mp1e-1.7/main.c mp1e-1.7-fefe/main.c
--- mp1e-1.7/main.c	Fri Jan 21 20:15:04 2000
+++ mp1e-1.7-fefe/main.c	Tue Feb 22 00:42:55 2000
@@ -61,6 +61,8 @@
 int			vid_buffers		= 6;			// Video compression -> Mux
 int			aud_buffers		= 20;			// Audio compression -> Mux
 
+int			source			= 0;			// v4l source
+
 #define 		PACKET_SIZE		2048
 #define 		PACKETS_PER_PACK	16
 
@@ -121,6 +123,7 @@
 		" -r line,vol    Audio record source 1..30%s,\n"
 		"                volume 0..100                               %d,%d\n"
 		" -x name        Audio mixer device (OSS API)                %s\n"
+		" -i channel     source number (my Hauppauge: 2=S-Video)\n"
 		"\n"
 		"The compressed stream will be sent to stdout.\n",
 
@@ -138,7 +141,7 @@
 	int c;
 	char have_audio_bit_rate = 0;
 
-	while ((c = getopt(ac, av, "a:b:c:f:hlm:n:p:r:s:vB:H:x:M:S:V")) != -1) {
+	while ((c = getopt(ac, av, "a:b:c:f:hi:lm:n:p:r:s:vB:H:x:M:S:V")) != -1) {
 		switch (c)
 		{
 			case 'a':
@@ -169,6 +172,12 @@
 					usage();
 				break;
 
+			case 'i':
+				source = strtol(optarg, NULL, 0);
+				if (source < 0)
+					usage();
+				break;
+
 			case 'm':
 				mode = strtol(optarg, NULL, 0);
 				if (mode == 0 || mode > 3)