source/input/input.h

   1 /*****************************************************************************
   2  * Copyright (C) 2013 x265 project
   3  *
   4  * Authors: Steve Borho <steve@borho.org>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
  19  *
  20  * This program is also available under a commercial proprietary license.
  21  * For more information, contact us at license @ x265.com.
  22  *****************************************************************************/
  23
  24 #ifndef X265_INPUT_H
  25 #define X265_INPUT_H
  26
  27 #define MIN_FRAME_WIDTH 64
  28 #define MAX_FRAME_WIDTH 8192
  29 #define MIN_FRAME_HEIGHT 64
  30 #define MAX_FRAME_HEIGHT 4320
  31 #define MIN_FRAME_RATE 1
  32 #define MAX_FRAME_RATE 300
  33
  34 #include "x265.h"
  35
  36 namespace x265 {
  37 // private x265 namespace
  38
  39 struct InputFileInfo
  40 {
  41     /* possibly user-supplied, possibly read from file header */
  42     int width;
  43     int height;
  44     int csp;
  45     int depth;
  46     int fpsNum;
  47     int fpsDenom;
  48     int sarWidth;
  49     int sarHeight;
  50     int frameCount;
  51
  52     /* user supplied */
  53     int skipFrames;
  54     const char *filename;
  55 };
  56
  57 class Input
  58 {
  59 protected:
  60
  61     virtual ~Input()  {}
  62
  63 public:
  64
  65     Input()           {}
  66
  67     static Input* open(InputFileInfo& info, bool bForceY4m);
  68
  69     virtual void startReader() = 0;
  70
  71     virtual void release() = 0;
  72
  73     virtual bool readPicture(x265_picture& pic) = 0;
  74
  75     virtual bool isEof() const = 0;
  76
  77     virtual bool isFail() = 0;
  78
  79     virtual const char *getName() const = 0;
  80 };
  81 }
  82
  83 #endif // ifndef X265_INPUT_H