/
/ File: Capture.h
/
/ Description: ATI Radeon Capture Unit interface.
/
/ Copyright 2001, Carlos Hasan
/
*******************************************************************************/
#ifndef __CAPTURE_H__
#define __CAPTURE_H__
#include "Radeon.h"
enum capture_buffer_mode {
C_RADEON_CAPTURE_FIELD_SINGLE = 0,
C_RADEON_CAPTURE_FIELD_DOUBLE = 1,
C_RADEON_CAPTURE_BOB_SINGLE = 2,
C_RADEON_CAPTURE_BOB_DOUBLE = 3,
C_RADEON_CAPTURE_WEAVE_SINGLE = 4,
C_RADEON_CAPTURE_WEAVE_DOUBLE = 5
};
enum capture_stream_format {
C_RADEON_CAPTURE_BROOKTREE = 0,
C_RADEON_CAPTURE_CCIR656 = 1,
C_RADEON_CAPTURE_ZOOMVIDEO = 2,
C_RADEON_CAPTURE_VIP = 3
};
enum capture_interrupt_mask {
C_RADEON_CAPTURE_BUF0_INT = 1 << 0,
C_RADEON_CAPTURE_BUF0_EVEN_INT = 1 << 1,
C_RADEON_CAPTURE_BUF1_INT = 1 << 2,
C_RADEON_CAPTURE_BUF1_EVEN_INT = 1 << 3,
C_RADEON_CAPTURE_VBI0_INT = 1 << 4,
C_RADEON_CAPTURE_VBI1_INT = 1 << 5
};
class CCapture {
public:
CCapture(CRadeon & radeon);
~CCapture();
status_t InitCheck() const;
void SetBuffer(capture_stream_format format, capture_buffer_mode mode,
int offset0, int offset1, int size, int pitch);
void SetClip(int left, int top, int right, int bottom);
void SetVBIBuffer(int offset0, int offset1, int size);
void SetVBIClip(int left, int top, int right, int bottom);
void Start(bool vbi = false);
void Stop();
public:
void SetInterrupts(bool enable);
int WaitInterrupts(int * sequence, bigtime_t * when, bigtime_t timeout);
private:
int Register(radeon_register index, int mask);
void SetRegister(radeon_register index, int value);
void SetRegister(radeon_register index, int mask, int value);
private:
CRadeon & fRadeon;
capture_buffer_mode fMode;
capture_stream_format fFormat;
int fOffset0;
int fOffset1;
int fVBIOffset0;
int fVBIOffset1;
int fSize;
int fVBISize;
int fPitch;
CRadeonRect fClip;
CRadeonRect fVBIClip;
};
#endif
