hvirtual/mpeg2enc/conform.c

   1 /* conform.c, conformance checks                                            */
   2
   3 /* Copyright (C) 1996, MPEG Software Simulation Group. All Rights Reserved. */
   4
   5 /*
   6  * Disclaimer of Warranty
   7  *
   8  * These software programs are available to the user without any license fee or
   9  * royalty on an "as is" basis.  The MPEG Software Simulation Group disclaims
  10  * any and all warranties, whether express, implied, or statuary, including any
  11  * implied warranties or merchantability or of fitness for a particular
  12  * purpose.  In no event shall the copyright-holder be liable for any
  13  * incidental, punitive, or consequential damages of any kind whatsoever
  14  * arising from the use of these programs.
  15  *
  16  * This disclaimer of warranty extends to the user of these programs and user's
  17  * customers, employees, agents, transferees, successors, and assigns.
  18  *
  19  * The MPEG Software Simulation Group does not represent or warrant that the
  20  * programs furnished hereunder are free of infringement of any third-party
  21  * patents.
  22  *
  23  * Commercial implementations of MPEG-1 and MPEG-2 video, including shareware,
  24  * are subject to royalty fees to patent holders.  Many of these patents are
  25  * general enough such that they are unavoidable regardless of implementation
  26  * design.
  27  *
  28  */
  29
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32
  33 #include "config.h"
  34 #include "global.h"
  35
  36 /* check for (level independent) parameter limits */
  37 void range_checks()
  38 {
  39 }
  40
  41 /* identifies valid profile / level combinations */
  42 static char profile_level_defined[5][4] =
  43 {
  44 /* HL   H-14 ML   LL  */
  45   {1,   1,   1,   0},  /* HP   */
  46   {0,   1,   0,   0},  /* Spat */
  47   {0,   0,   1,   1},  /* SNR  */
  48   {1,   1,   1,   1},  /* MP   */
  49   {0,   0,   1,   0}   /* SP   */
  50 };
  51
  52 static struct level_limits {
  53   int hor_f_code;
  54   int vert_f_code;
  55   int hor_size;
  56   int vert_size;
  57   int sample_rate;
  58   int bit_rate; /* Mbit/s */
  59   int vbv_buffer_size; /* 16384 bit steps */
  60 } maxval_tab[4] =
  61 {
  62   {9, 5, 1920, 1152, 62668800, 80, 597}, /* HL */
  63   {9, 5, 1440, 1152, 47001600, 60, 448}, /* H-14 */
  64   {8, 5,  720,  576, 10368000, 15, 112}, /* ML */
  65   {7, 4,  352,  288,  3041280,  4,  29}  /* LL */
  66 };
  67
  68 #define SP   5
  69 #define MP   4
  70 #define SNR  3
  71 #define SPAT 2
  72 #define HP   1
  73
  74 #define LL  10
  75 #define ML   8
  76 #define H14  6
  77 #define HL   4
  78
  79 void profile_and_level_checks()
  80 {
  81 }