src/add-ons/media/media-add-ons/radeon/Capture.h

   1 /******************************************************************************
   2 /
   3 /       File:                   Capture.h
   4 /
   5 /       Description:    ATI Radeon Capture Unit interface.
   6 /
   7 /       Copyright 2001, Carlos Hasan
   8 /
   9 *******************************************************************************/
  10
  11 #ifndef __CAPTURE_H__
  12 #define __CAPTURE_H__
  13
  14 #include "Radeon.h"
  15
  16 enum capture_buffer_mode {
  17         C_RADEON_CAPTURE_FIELD_SINGLE   = 0,
  18         C_RADEON_CAPTURE_FIELD_DOUBLE   = 1,
  19         C_RADEON_CAPTURE_BOB_SINGLE             = 2,
  20         C_RADEON_CAPTURE_BOB_DOUBLE             = 3,
  21         C_RADEON_CAPTURE_WEAVE_SINGLE   = 4,
  22         C_RADEON_CAPTURE_WEAVE_DOUBLE   = 5
  23 };
  24
  25 enum capture_stream_format {
  26         C_RADEON_CAPTURE_BROOKTREE              = 0,
  27         C_RADEON_CAPTURE_CCIR656                = 1,
  28         C_RADEON_CAPTURE_ZOOMVIDEO              = 2,
  29         C_RADEON_CAPTURE_VIP                    = 3
  30 };
  31
  32 enum capture_interrupt_mask {
  33         C_RADEON_CAPTURE_BUF0_INT               = 1 << 0,
  34         C_RADEON_CAPTURE_BUF0_EVEN_INT  = 1 << 1,
  35         C_RADEON_CAPTURE_BUF1_INT               = 1 << 2,
  36         C_RADEON_CAPTURE_BUF1_EVEN_INT  = 1 << 3,
  37         C_RADEON_CAPTURE_VBI0_INT               = 1 << 4,
  38         C_RADEON_CAPTURE_VBI1_INT               = 1 << 5
  39 };
  40
  41 class CCapture {
  42 public:
  43         CCapture(CRadeon & radeon);
  44
  45         ~CCapture();
  46
  47         status_t InitCheck() const;
  48
  49         void SetBuffer(capture_stream_format format, capture_buffer_mode mode,
  50                                    int offset0, int offset1, int size, int pitch);
  51
  52         void SetClip(int left, int top, int right, int bottom);
  53
  54         void SetVBIBuffer(int offset0, int offset1, int size);
  55
  56         void SetVBIClip(int left, int top, int right, int bottom);
  57
  58         void Start(bool vbi = false);
  59
  60         void Stop();
  61
  62 public:
  63         void SetInterrupts(bool enable);
  64
  65         int WaitInterrupts(int * sequence, bigtime_t * when, bigtime_t timeout);
  66
  67 private:
  68         int Register(radeon_register index, int mask);
  69
  70         void SetRegister(radeon_register index, int value);
  71
  72         void SetRegister(radeon_register index, int mask, int value);
  73
  74 private:
  75         CRadeon & fRadeon;
  76         capture_buffer_mode fMode;
  77         capture_stream_format fFormat;
  78         int fOffset0;
  79         int fOffset1;
  80         int fVBIOffset0;
  81         int fVBIOffset1;
  82         int fSize;
  83         int fVBISize;
  84         int fPitch;
  85         CRadeonRect fClip;
  86         CRadeonRect fVBIClip;
  87 };
  88
  89 #endif