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dpxpeek.cpp
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// dpxpeek by Bob Maple (bobm [at] burner.com)
//
// Licensed under the Creative Commons Attribution-ShareAlike (CC BY-SA)
// https://creativecommons.org/licenses/by-sa/4.0/
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "dpxpeek.h"
#include "endian.h"
#include "helpers.h"
// Global laziness
int dpx_endian;
int main( int argc, char **argv ) {
FILE *inFP;
const unsigned char *ptr;
char magic[4];
GENERICFILEHEADER dpx;
GENERICIMAGEHEADER imghead;
GENERICORIENTATIONHEADER orienthead;
INDUSTRYFILMINFOHEADER filmhead;
INDUSTRYTELEVISIONINFOHEADER tvhead;
// printf( "int is %d\nshort is %d\nlong is %d\n", sizeof( int ), sizeof( short ), sizeof( long ) );
// printf( "float is %d\ndouble is %d\n\n", sizeof( float ), sizeof( double ) );
printf( "dpxpeek 1.0 by Bob Maple (bobm [at] burner.com)\n" );
if( argc < 2 ) {
printf( "Usage: %s [FILE]\n", argv[0] );
return(5);
}
inFP = fopen( argv[1], "r" );
if( !inFP ) {
printf( "Unable to open %s\n", argv[1] );
return(5);
}
// Look to see if this is a DPX file first
if( fread( &magic, sizeof( magic ), 1, inFP ) ) {
if( magic[0] == 'S' && magic[1] == 'D' && magic[2] == 'P' && magic[3] == 'X' ) // Big-endian (Motorola)
dpx_endian = 1;
else if( magic[0] == 'X' && magic[1] == 'P' && magic[2] == 'D' && magic[3] == 'S' ) // Little-endian (Intel)
dpx_endian = 0;
else {
printf( "File is not a DPX file\n" );
fclose( inFP );
return(5);
}
}
else {
printf( "File is not a DPX file\n" );
fclose( inFP );
return(5);
}
// Rewind
fseek( inFP, 0, SEEK_SET );
printf( "\n" );
printf( "Reading DPX header of %lu bytes\n", sizeof( GENERICFILEHEADER ) );
fread( &dpx, sizeof( GENERICFILEHEADER ), 1, inFP );
printf( "Reading Image header of %lu bytes\n", sizeof( GENERICIMAGEHEADER ) );
fread( &imghead, sizeof( GENERICIMAGEHEADER ), 1, inFP );
printf( "Reading Orientation header of %lu bytes\n", sizeof( GENERICORIENTATIONHEADER ) );
fread( &orienthead, sizeof( GENERICORIENTATIONHEADER ), 1, inFP );
printf( "Reading Film header of %lu bytes\n", sizeof( INDUSTRYFILMINFOHEADER ) );
fread( &filmhead, sizeof( INDUSTRYFILMINFOHEADER ), 1, inFP );
printf( "Reading Video header of %lu bytes\n", sizeof( INDUSTRYTELEVISIONINFOHEADER ) );
fread( &tvhead, sizeof( INDUSTRYTELEVISIONINFOHEADER ), 1, inFP );
fclose( inFP );
printf( "\n-- Generic Headers --\n\n" );
EndianSwap32( (unsigned char *)&dpx.UserSize );
ptr = (unsigned char *)&dpx.Magic;
print_prebuf( "Magic Number" );
printf( "%c%c%c%c ", *ptr, *(ptr+1), *(ptr+2), *(ptr+3) );
if( dpx_endian )
printf( "(big endian)\n" );
else
printf( "(little endian)\n" );
print_DPXstring( "Version", dpx.Version );
print_DPXstring( "Filename", dpx.FileName );
print_DPXstring( "Timestamp", dpx.TimeDate );
print_DPXstring( "Creator", dpx.Creator );
print_DPXstring( "Project", dpx.Project );
print_DPXstring( "Copyright", dpx.Copyright );
print_DPXstring( "User Data Chunk", dpx.UserSize ? (char *)"Yes" : (char *)"No" );
printf( "\n-- Image Headers --\n\n" );
EndianSwap16( (unsigned char *)&imghead.Orientation );
EndianSwap16( (unsigned char *)&imghead.NumberElements );
EndianSwap32( (unsigned char *)&imghead.PixelsPerLine );
EndianSwap32( (unsigned char *)&imghead.LinesPerElement );
print_prebuf( "Orientation" );
switch( imghead.Orientation ) {
case 0: printf( "LtoR, TtoB\n" ); break;
case 1: printf( "RtoL, TtoB\n" ); break;
case 2: printf( "LtoR, BtoT\n" ); break;
case 3: printf( "RtoL, BtoT\n" ); break;
case 4: printf( "TtoB, LtoR\n" ); break;
case 5: printf( "TtoB, RtoL\n" ); break;
case 6: printf( "BtoT, LtoR\n" ); break;
case 7: printf( "BtoT, RtoL\n" ); break;
}
print_DPXint32( "Width", imghead.PixelsPerLine );
print_DPXint32( "Height", imghead.LinesPerElement );
print_DPXint16( "Num Elements", imghead.NumberElements );
for( int i = 0; i < imghead.NumberElements; i++ ) {
printf( "\n [Image Element %u of %u]\n\n", i+1, imghead.NumberElements );
print_DPXstring( "Description", imghead.ImageElement[i].Description );
EndianSwap32( (unsigned char *)&imghead.ImageElement[i].DataSign );
EndianSwap32( (unsigned char *)&imghead.ImageElement[i].LowData );
EndianSwap32( (unsigned char *)&imghead.ImageElement[i].LowQuantity );
EndianSwap32( (unsigned char *)&imghead.ImageElement[i].HighData );
EndianSwap32( (unsigned char *)&imghead.ImageElement[i].HighQuantity );
EndianSwap16( (unsigned char *)&imghead.ImageElement[i].Packing );
EndianSwap16( (unsigned char *)&imghead.ImageElement[i].Encoding );
EndianSwap16( (unsigned char *)&imghead.ImageElement[i].EndOfLinePadding );
EndianSwap16( (unsigned char *)&imghead.ImageElement[i].EndOfImagePadding );
print_DPXstring( "Data Sign", imghead.ImageElement[i].DataSign ? (char *)"Signed" : (char *)"Unsigned" );
print_DPXint32( "Low Data", imghead.ImageElement[i].LowData );
print_DPXfloat( "Low Quantity", imghead.ImageElement[i].LowQuantity );
print_DPXint32( "High Data", imghead.ImageElement[i].HighData );
print_DPXfloat( "High Quantity", imghead.ImageElement[i].HighQuantity );
print_prebuf( "Descriptor" );
switch( imghead.ImageElement[i].Descriptor ) {
case 0: printf( "User-defined\n" ); break;
case 1: printf( "Red\n" ); break;
case 2: printf( "Green\n" ); break;
case 3: printf( "Blue\n" ); break;
case 4: printf( "Alpha\n" ); break;
case 6: printf( "Luma\n" ); break;
case 7: printf( "Chroma\n" ); break;
case 8: printf( "Depth\n" ); break;
case 9: printf( "Composite video\n" ); break;
case 50: printf( "RGB\n" ); break;
case 51: printf( "RGBA\n" ); break;
case 52: printf( "ABGR\n" ); break;
case 100: printf( "CbYCrY\n" ); break;
case 101: printf( "CbYaCrYa\n" ); break;
case 102: printf( "CbYCr\n" ); break;
case 103: printf( "CbYCra\n" ); break;
case 150:
case 151:
case 152:
case 153:
case 154:
case 155:
case 156: printf( "User-defined\n" ); break;
}
print_prebuf( "Transfer" );
if( imghead.ImageElement[i].Transfer >= 13 )
printf( "Invalid (Reserved)\n" );
else {
switch( imghead.ImageElement[i].Transfer ) {
case 0: printf( "User-defined\n" ); break;
case 1: printf( "Print density\n" ); break;
case 2: printf( "Linear\n" ); break;
case 3: printf( "Log\n" ); break;
case 4: printf( "Unspecified video\n" ); break;
case 5: printf( "SMPTE 240M\n" ); break;
case 6: printf( "CCIR 709\n" ); break;
case 7: printf( "CCIR 601 B/G\n" ); break;
case 8: printf( "CCIR 601 M\n" ); break;
case 9: printf( "NTSC composite (SMPTE 170M)\n" ); break;
case 10: printf( "PAL composite (CCIR 624-4)\n" ); break;
case 11: printf( "Linear Z-Depth\n" ); break;
default: printf( "Z-Depth User Defined\n" ); break;
}
}
print_prebuf( "Colorimetric" );
if( imghead.ImageElement[i].Colorimetric >= 13 )
printf( "Invalid (Reserved)\n" );
else {
switch( imghead.ImageElement[i].Colorimetric ) {
case 0: printf( "User-defined\n" ); break;
case 1: printf( "Print density\n" ); break;
case 4: printf( "Unspecified video\n" ); break;
case 5: printf( "SMPTE 240M\n" ); break;
case 6: printf( "CCIR 709\n" ); break;
case 7: printf( "CCIR 601 B/G\n" ); break;
case 8: printf( "CCIR 601 M\n" ); break;
case 9: printf( "NTSC composite\n" ); break;
case 10: printf( "PAL composite\n" ); break;
default: printf( "N/A\n" ); break;
}
}
print_DPXint8 ( "Bit Depth", imghead.ImageElement[i].BitSize );
print_DPXstring( "Packing", imghead.ImageElement[i].Packing ? (char *)"Filled 32-bit" : (char *)"Packed 32-bit" );
print_DPXstring( "RLE Encoding",imghead.ImageElement[i].Encoding ? (char *)"Yes" : (char *)"None" );
print_DPXint32 ( "EOL Padding", imghead.ImageElement[i].EndOfLinePadding, true, " bytes" );
print_DPXint32 ( "Img Padding", imghead.ImageElement[i].EndOfImagePadding, true, " bytes" );
}
printf( "\n-- Orientation Headers --\n\n" );
EndianSwap32( (unsigned char *)&orienthead.XOffset );
EndianSwap32( (unsigned char *)&orienthead.YOffset );
EndianSwap32( (unsigned char *)&orienthead.XOriginalSize );
EndianSwap32( (unsigned char *)&orienthead.YOriginalSize );
EndianSwap32( (unsigned char *)&orienthead.AspectRatio[0] );
EndianSwap32( (unsigned char *)&orienthead.AspectRatio[1] );
EndianSwap16( (unsigned char *)&orienthead.Border[0] );
EndianSwap16( (unsigned char *)&orienthead.Border[1] );
EndianSwap16( (unsigned char *)&orienthead.Border[2] );
EndianSwap16( (unsigned char *)&orienthead.Border[3] );
print_DPXint32( "Offset X", orienthead.XOffset );
print_DPXint32( "Offset Y", orienthead.YOffset );
print_DPXint32( "Orig Size X", orienthead.XOriginalSize );
print_DPXint32( "Orig Size Y", orienthead.YOriginalSize );
print_DPXstring( "Source File", orienthead.FileName );
print_DPXstring( "Timestamp", orienthead.TimeDate );
print_DPXstring( "Input Device", orienthead.InputName );
print_DPXstring( "Device Ser#", orienthead.InputSN );
if( orienthead.Border[0] == 0xFFFF )
print_DPXstring( "Border", (char *)UNDEF_STR );
else {
print_DPXint16( "Border X Left", orienthead.Border[0] );
print_DPXint16( "Border X Right", orienthead.Border[1] );
print_DPXint16( "Border Y Top", orienthead.Border[2] );
print_DPXint16( "Border Y Bottom", orienthead.Border[3] );
}
if( orienthead.AspectRatio[0] == 0xFFFFFFFF )
print_DPXstring( "Pixel Aspect", (char *)UNDEF_STR );
else {
print_DPXint32( "Pixel Aspect", orienthead.AspectRatio[0], false, ":" );
print_DPXint32( "", orienthead.AspectRatio[1], false, " (" );
print_DPXfloat( "", (orienthead.AspectRatio[0] / orienthead.AspectRatio[1]), true, ")" );
}
printf( "\n-- Film Industry Header --\n\n" );
EndianSwap32( (unsigned char *)&filmhead.FramePosition );
EndianSwap32( (unsigned char *)&filmhead.SequenceLen );
EndianSwap32( (unsigned char *)&filmhead.HeldCount );
print_DPXstring( "Film ID Code", filmhead.FilmMfgId );
print_DPXstring( "Film Type", filmhead.FilmType );
print_DPXstring( "Perf Offset", filmhead.Offset );
print_DPXstring( "Prefix", filmhead.Prefix );
print_DPXstring( "Count", filmhead.Count );
print_DPXstring( "Film Format", filmhead.Format );
print_DPXint32( "Frame Pos", filmhead.FramePosition );
print_DPXint32( "Sequence Len", filmhead.SequenceLen );
print_DPXint32( "Frame Held", filmhead.HeldCount );
// printf( "---- Framerate is %f\n", filmhead.FrameRate );
// ptr = (unsigned char *)&filmhead.FrameRate;
// printf( "\nFilm FPS Hex : %x %x %x %x\n", *ptr, *(ptr+1), *(ptr+2), *(ptr+3) );
// if( filmhead.FrameRate == 0x0000807F )
// printf( "Fuck all, it's infinite\n" );
// printf( " AND NOW WE SWAP!\n" );
EndianSwap32( (unsigned char *)&filmhead.FrameRate );
EndianSwap32( (unsigned char *)&filmhead.ShutterAngle );
// ptr = (unsigned char *)&filmhead.FrameRate;
// printf( "FPS Hex : %x %x %x %x\n", *ptr, *(ptr+1), *(ptr+2), *(ptr+3) );
print_DPXfloat( "FPS", filmhead.FrameRate );
print_DPXfloat( "Shutter Angle", filmhead.ShutterAngle );
print_DPXstring( "Frame ID", filmhead.FrameId );
print_DPXstring( "Slate Info", filmhead.SlateInfo );
printf( "\n-- Television Industry Header\n\n" );
EndianSwap32( (unsigned char *)&tvhead.FrameRate );
EndianSwap32( (unsigned char *)&tvhead.TimeCode );
EndianSwap32( (unsigned char *)&tvhead.Gamma );
EndianSwap32( (unsigned char *)&tvhead.BlackLevel );
EndianSwap32( (unsigned char *)&tvhead.BlackGain );
if( tvhead.TimeCode == 0xFFFFFFFF )
print_DPXstring( "Timecode", (char *)UNDEF_STR );
else {
print_prebuf( "Timecode" );
printf( "%u%u:%u%u:%u%u:%u%u\n", (unsigned int)(tvhead.TimeCode & 0xF0000000) >> 28, (tvhead.TimeCode & 0xF000000) >> 24,
(tvhead.TimeCode & 0xF00000) >> 20, (tvhead.TimeCode & 0xF0000) >> 16,
(tvhead.TimeCode & 0xF000) >> 12, (tvhead.TimeCode & 0xF00) >> 8,
(tvhead.TimeCode & 0xF0) >> 4, (tvhead.TimeCode & 0xF) );
}
// ptr = (unsigned char *)&tvhead.FrameRate;
// printf( "FPS Hex : %x %x %x %x\n", *ptr, *(ptr+1), *(ptr+2), *(ptr+3) );
print_DPXfloat( "FPS", tvhead.FrameRate );
print_DPXint8 ( "Interlace", tvhead.Interlace );
print_DPXfloat( "Gamma", tvhead.Gamma );
print_DPXfloat( "Black Level", tvhead.BlackLevel );
print_DPXfloat( "Black Gain", tvhead.BlackGain );
printf( "\n" );
}