X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=bmusb.h;h=9eb3ff4f716a4ede88c997f65131c6fe69232179;hb=89136643760d7da0c94c4d4fb1ec778f9cefb97f;hp=96a2257f8549279dc0000c7b31dfb2df8709e62a;hpb=cd863aa837174f6a3fa5862323d82dab8f0030f8;p=bmusb

diff --git a/bmusb.h b/bmusb.h
index 96a2257..9eb3ff4 100644
--- a/bmusb.h
+++ b/bmusb.h
@@ -25,6 +25,7 @@ class FrameAllocator {
 		uint8_t *data2 = nullptr;  // Only if interleaved == true.
 		size_t len = 0;  // Number of bytes we actually have.
 		size_t size = 0;  // Number of bytes we have room for.
+		size_t overflow = 0;
 		void *userdata = nullptr;
 		FrameAllocator *owner = nullptr;
 
@@ -63,8 +64,8 @@ typedef std::function<void(uint16_t timecode,
 // The actual capturing class, representing capture from a single card.
 class BMUSBCapture {
  public:
-	BMUSBCapture(int vid = 0x1edb, int pid = 0xbd3b)
-		: vid(vid), pid(pid)
+	BMUSBCapture(int card_index)
+		: card_index(card_index)
 	{
 	}
 
@@ -149,8 +150,12 @@ class BMUSBCapture {
 	static constexpr int NUM_BMUSB_REGISTERS = 60;
 	uint8_t register_file[NUM_BMUSB_REGISTERS];
 
-	int vid, pid;
+	int card_index;
 	std::vector<libusb_transfer *> iso_xfrs;
 };
 
+// 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);
+
 #endif