-// Intensity Shuttle USB3 capture driver, v0.4
+// Intensity Shuttle USB3 capture driver, v0.5.1
// Can download 8-bit and 10-bit UYVY/v210 frames from HDMI, quite stable
// (can do captures for hours at a time with no drops), except during startup
// 576p60/720p60/1080i60 works, 1080p60 does not work (firmware limitation)
#else // defined(HAS_MULTIVERSIONING)
+__attribute__((target("sse4.1")))
+const uint8_t *add_to_frame_fastpath_core(FrameAllocator::Frame *current_frame, const uint8_t *aligned_start, const uint8_t *limit, const char sync_char);
+
+__attribute__((target("avx2")))
const uint8_t *add_to_frame_fastpath_core(FrameAllocator::Frame *current_frame, const uint8_t *aligned_start, const uint8_t *limit, const char sync_char);
// Does a memcpy and memchr in one to reduce processing time.
printf("couldn't set realtime priority for USB thread: %s\n", strerror(errno));
}
while (!should_quit) {
- int rc = libusb_handle_events(nullptr);
+ timeval sec { 1, 0 };
+ int rc = libusb_handle_events_timeout(nullptr, &sec);
if (rc != LIBUSB_SUCCESS)
break;
}
rc = libusb_set_interface_alt_setting(devh, /*interface=*/0, /*alternate_setting=*/1);
if (rc < 0) {
fprintf(stderr, "Error setting alternate 1: %s\n", libusb_error_name(rc));
+ if (rc == LIBUSB_ERROR_NOT_FOUND) {
+ fprintf(stderr, "This is usually because the card came up in USB2 mode.\n");
+ fprintf(stderr, "In particular, this tends to happen if you boot up with the\n");
+ fprintf(stderr, "card plugged in; just unplug and replug it, and it usually works.\n");
+ }
exit(1);
}
rc = libusb_set_interface_alt_setting(devh, /*interface=*/0, /*alternate_setting=*/2);