LookingGlass/c-host/capture/interface.h

/*
Looking Glass - KVM FrameRelay (KVMFR) Client
Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
https://looking-glass.hostfission.com

This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*/

#pragma once

#include <stdbool.h>
#include <stdint.h>

typedef enum CaptureResult
{
  CAPTURE_RESULT_OK,
  CAPTURE_RESULT_REINIT,
  CAPTURE_RESULT_TIMEOUT,
  CAPTURE_RESULT_ERROR
}
CaptureResult;

typedef enum CaptureFormat
{
  CAPTURE_FMT_BGRA,
  CAPTURE_FMT_RGBA,
  CAPTURE_FMT_RGBA10,
  CAPTURE_FMT_YUV420,
  CAPTURE_FMT_MAX
}
CaptureFormat;

typedef struct CaptureFrame
{
  unsigned int   width;
  unsigned int   height;
  unsigned int   pitch;
  CaptureFormat  format;
  void         * data;
}
CaptureFrame;

typedef struct CaptureInterface
{
  const char *  (*getName        )();
  bool          (*create         )();
  bool          (*init           )();
  bool          (*deinit         )();
  void          (*free           )();
  unsigned int  (*getMaxFrameSize)();

  CaptureResult (*capture)(
    bool * hasFrameUpdate,
    bool * hasPointerUpdate);

  bool (*getFrame)(CaptureFrame * frame);
}
CaptureInterface;