identity sh-f11=cam/sh-f12=proj keyframes, odd jpeg fix, zoom submenu, shudmp

[goodguy/cinelerra.git] / cinelerra-5.1 / cinelerra / shudmp.C

diff --git a/cinelerra-5.1/cinelerra/shudmp.C b/cinelerra-5.1/cinelerra/shudmp.C
new file mode 100644 (file)
index 0000000..fbb85cf
--- /dev/null
+++ b/cinelerra-5.1/cinelerra/shudmp.C
@@ -0,0 +1,77 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <error.h>
+#include <signal.h>
+
+#include <libusb-1.0/libusb.h>
+
+#define SHUTTLE_INTERFACE 0
+
+libusb_device_handle *devsh = 0;
+int claimed = -1;
+
+void usb_done()
+{
+       if( devsh ) {
+               if( claimed > 0 ) {
+                       int sh_iface = SHUTTLE_INTERFACE;
+                       libusb_release_interface(devsh, sh_iface);
+                       libusb_attach_kernel_driver(devsh, sh_iface);
+                       claimed = 0;
+               }
+               libusb_close(devsh);
+               devsh = 0;
+       }
+       if( claimed >= 0 ) {
+               libusb_exit(0);
+               claimed = -1;
+       }
+}
+
+void usb_probe()
+{
+       int ret = libusb_init(0);
+       if( ret < 0 ) return;
+       claimed = 0;
+       devsh = libusb_open_device_with_vid_pid(0, 0x0b33, 0x0030);
+       if( devsh ) {
+               int sh_iface = SHUTTLE_INTERFACE;
+               libusb_detach_kernel_driver(devsh, sh_iface);
+               ret = libusb_claim_interface(devsh, sh_iface);
+               if( ret >= 0 ) claimed = 1;
+       }
+       if( !claimed )
+               usb_done();
+}
+
+int done = 0;
+void sigint(int n) { done = 1; }
+
+int main(int ac, char **av)
+{
+       setbuf(stdout, 0);
+       usb_probe();
+       if( claimed > 0 ) {
+               signal(SIGINT, sigint);
+               while( !done ) {
+                       int len = 0;
+                       static const int IN_ENDPOINT = 0x81;
+                       unsigned char dat[64];
+                       int ret = libusb_interrupt_transfer(devsh,
+                                       IN_ENDPOINT, dat, sizeof(dat), &len, 100);
+                       if( ret != 0 ) {
+                               if( ret == LIBUSB_ERROR_TIMEOUT ) continue;
+                               printf("error: %s\n", libusb_strerror((libusb_error)ret));
+                               sleep(1);  continue;
+                       }
+                       printf("shuttle: ");
+                       for( int i=0; i<len; ++i ) printf(" %02x", dat[i]);
+                       printf("\n");
+               }
+       }
+       usb_done();
+       return 0;
+}
+