2 #define _INPUT_STATE_H 1
5 #include "ref_counted_frame.h"
12 // Encapsulates the state of all inputs at any given instant.
13 // In particular, this is captured by Theme::get_chain(),
14 // so that it can hold on to all the frames it needs for rendering.
16 // For each card, the last five frames (or fields), with 0 being the
17 // most recent one. Note that we only need the actual history if we have
18 // interlaced output (for deinterlacing), so if we detect progressive input,
19 // we immediately clear out all history and all entries will point to the same
21 BufferedFrame buffered_frames[MAX_VIDEO_CARDS][FRAME_HISTORY_LENGTH];
24 #endif // !defined(_INPUT_STATE_H)