#include <deque>
#include <functional>
#include <mutex>
+#include <string>
#include <thread>
#include <vector>
has_dequeue_callbacks = true;
}
+ // Only valid after configure_card().
+ std::string get_description() const {
+ return description;
+ }
+
void configure_card();
void start_bm_capture();
void stop_dequeue_thread();
static void usb_thread_func();
static void cb_xfr(struct libusb_transfer *xfr);
+ std::string description;
+
FrameAllocator::Frame current_video_frame;
FrameAllocator::Frame current_audio_frame;
int card_index;
std::vector<libusb_transfer *> iso_xfrs;
+ int assumed_frame_width = 1280;
};
// Get details for the given video format; returns false if detection was incomplete.
// Note: Frame rate is _frame_ rate, not field rate. So 1080i60 gets 30/1, _not_ 60/1.
-bool decode_video_format(uint16_t video_format, int *width, int *height, int *frame_rate_nom, int *frame_rate_den, bool *interlaced);
+// "second_field_start" is only valid for interlaced modes; it signifies
+// how many lines from the very top of the frame there are before the second field
+// starts (so it will always be >= height/2 + extra_lines_top).
+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);
#endif