// Update the assumed frame width. We might be one frame too late on format changes,
// but it's much better than asking the user to choose manually.
- int width, height, frame_rate_nom, frame_rate_den;
+ unsigned width, height, second_field_start, extra_lines_top, extra_lines_bottom, frame_rate_nom, frame_rate_den;
bool interlaced;
- if (decode_video_format(format, &width, &height, &frame_rate_nom, &frame_rate_den, &interlaced)) {
+ if (decode_video_format(format, &width, &height, &second_field_start, &extra_lines_top, &extra_lines_bottom,
+ &frame_rate_nom, &frame_rate_den, &interlaced)) {
assumed_frame_width = width;
}
}
fprintf(stderr, "Error getting configuration: %s\n", libusb_error_name(rc));
exit(1);
}
+
+#if 0
printf("%d interface\n", config->bNumInterfaces);
for (int interface_number = 0; interface_number < config->bNumInterfaces; ++interface_number) {
printf(" interface %d\n", interface_number);
}
}
}
+#endif
rc = libusb_set_configuration(devh, /*configuration=*/1);
if (rc < 0) {
fprintf(stderr, "Error on control %d: %s\n", ctrls[req].index, libusb_error_name(rc));
exit(1);
}
-
+
+ if (ctrls[req].index == 16 && rc == 4) {
+ printf("Card firmware version: 0x%02x%02x\n", value[2], value[3]);
+ }
+
+#if 0
printf("rc=%d: ep=%d@%d %d -> 0x", rc, ctrls[req].endpoint, ctrls[req].request, ctrls[req].index);
for (int i = 0; i < rc; ++i) {
printf("%02x", value[i]);
}
printf("\n");
+#endif
}
#if 0
void BMUSBCapture::start_bm_capture()
{
- printf("starting capture\n");
int i = 0;
for (libusb_transfer *xfr : iso_xfrs) {
- printf("submitting transfer...\n");
int rc = libusb_submit_transfer(xfr);
++i;
if (rc < 0) {
struct VideoFormatEntry {
uint16_t normalized_video_format;
- int width, height;
- int frame_rate_den, frame_rate_nom;
+ unsigned width, height, second_field_start;
+ unsigned extra_lines_top, extra_lines_bottom;
+ unsigned frame_rate_nom, frame_rate_den;
bool interlaced;
};
-bool decode_video_format(uint16_t video_format, int *width, int *height, int *frame_rate_den, int *frame_rate_nom, bool *interlaced)
+bool decode_video_format(uint16_t video_format, unsigned *width, unsigned *height, unsigned *second_field_start,
+ unsigned *extra_lines_top, unsigned *extra_lines_bottom,
+ unsigned *frame_rate_nom, unsigned *frame_rate_den, bool *interlaced)
{
*interlaced = false;
+ // TODO: Add these for all formats as we find them.
+ *extra_lines_top = *extra_lines_bottom = *second_field_start = 0;
+
if (video_format == 0x0800) {
// No video signal. These green pseudo-frames seem to come at about 30.13 Hz.
// It's a strange thing, but what can you do.
*width = 720;
*height = 525;
+ *extra_lines_top = 0;
+ *extra_lines_bottom = 0;
*frame_rate_nom = 3013;
*frame_rate_den = 100;
return true;
video_format);
*width = 0;
*height = 0;
+ *extra_lines_top = 0;
+ *extra_lines_bottom = 0;
*frame_rate_nom = 60;
*frame_rate_den = 1;
return false;
// NTSC (480i59.94, I suppose). A special case, see below.
if (video_format == 0xe901 || video_format == 0xe9c1 || video_format == 0xe801) {
- *width = 640;
+ *width = 720;
*height = 480;
- *frame_rate_nom = 60000;
+ *extra_lines_top = 17;
+ *extra_lines_bottom = 28;
+ *frame_rate_nom = 30000;
*frame_rate_den = 1001;
+ *second_field_start = 280;
*interlaced = true;
return true;
}
// PAL (576i50, I suppose). A special case, see below.
- if (video_format == 0xe909) {
+ if (video_format == 0xe909 || video_format == 0xe9c9 || video_format == 0xe809 || video_format == 0xebe9) {
*width = 720;
*height = 576;
- *frame_rate_nom = 50;
+ *extra_lines_top = 22;
+ *extra_lines_bottom = 27;
+ *frame_rate_nom = 25;
*frame_rate_den = 1;
+ *second_field_start = 335;
*interlaced = true;
return true;
}
// usually it doesn't mean anything.
uint16_t normalized_video_format = video_format & ~0xe808;
constexpr VideoFormatEntry entries[] = {
- { 0x0143, 1280, 720, 50, 1, false }, // 720p50.
- { 0x0103, 1280, 720, 60, 1, false }, // 720p60.
- { 0x0121, 1280, 720, 60000, 1001, false }, // 720p59.94.
- { 0x01c3, 1920, 1080, 30, 1, false }, // 1080p30.
- { 0x0003, 1920, 1080, 30, 1, true }, // 1080i60.
- { 0x01e1, 1920, 1080, 30000, 1001, false }, // 1080p29.97.
- { 0x0021, 1920, 1080, 30000, 1001, true }, // 1080i59.94.
- { 0x0063, 1920, 1080, 25, 1, false }, // 1080p25.
- { 0x0043, 1920, 1080, 25, 1, true }, // 1080p50.
- { 0x008e, 1920, 1080, 24, 1, false }, // 1080p24.
- { 0x00a1, 1920, 1080, 24000, 1001, false }, // 1080p23.98.
+ { 0x0143, 1280, 720, 0, 25, 5, 50, 1, false }, // 720p50.
+ { 0x0103, 1280, 720, 0, 25, 5, 60, 1, false }, // 720p60.
+ { 0x0121, 1280, 720, 0, 25, 5, 60000, 1001, false }, // 720p59.94.
+ { 0x01c3, 1920, 1080, 0, 0, 0, 30, 1, false }, // 1080p30.
+ { 0x0003, 1920, 1080, 582, 20, 25, 30, 1, true }, // 1080i60.
+ { 0x01e1, 1920, 1080, 0, 0, 0, 30000, 1001, false }, // 1080p29.97.
+ { 0x0021, 1920, 1080, 582, 20, 25, 30000, 1001, true }, // 1080i59.94.
+ { 0x0063, 1920, 1080, 0, 0, 0, 25, 1, false }, // 1080p25.
+ { 0x0043, 1920, 1080, 0, 0, 0, 25, 1, true }, // 1080p50.
+ { 0x008e, 1920, 1080, 0, 0, 0, 24, 1, false }, // 1080p24.
+ { 0x00a1, 1920, 1080, 0, 0, 0, 24000, 1001, false }, // 1080p23.98.
};
for (const VideoFormatEntry &entry : entries) {
if (normalized_video_format == entry.normalized_video_format) {
*width = entry.width;
*height = entry.height;
+ *second_field_start = entry.second_field_start;
+ *extra_lines_top = entry.extra_lines_top;
+ *extra_lines_bottom = entry.extra_lines_bottom;
*frame_rate_nom = entry.frame_rate_nom;
*frame_rate_den = entry.frame_rate_den;
*interlaced = entry.interlaced;
projects / bmusb / blobdiff