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/************************************************************************** |
/***************************************************************************** |
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* |
* |
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* XVID MPEG-4 VIDEO CODEC - Example for encoding and decoding |
* XVID MPEG-4 VIDEO CODEC |
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* - Console based decoding test application - |
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* |
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* Copyright(C) 2002-2003 Christoph Lampert |
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* 2002-2003 Edouard Gomez <ed.gomez@free.fr> |
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* |
* |
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* This program is free software; you can redistribute it and/or modify |
* This program is free software; you can redistribute it and/or modify |
| 10 |
* it under the terms of the GNU General Public License as published by |
* it under the terms of the GNU General Public License as published by |
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* |
* |
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* You should have received a copy of the GNU General Public License |
* You should have received a copy of the GNU General Public License |
| 20 |
* along with this program; if not, write to the Free Software |
* along with this program; if not, write to the Free Software |
| 21 |
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* |
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* $Id: xvid_decraw.c,v 1.10.2.3 2004-04-15 10:04:55 suxen_drol Exp $ |
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* |
* |
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*************************************************************************/ |
****************************************************************************/ |
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/************************************************************************ |
/***************************************************************************** |
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* |
* |
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* Test routine for XviD decoding |
* Application notes : |
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* (C) Christoph Lampert, 2002/08/17 |
|
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* |
* |
| 31 |
* An MPEG-4 bitstream is read from stdin and decoded, |
* An MPEG-4 bitstream is read from an input file (or stdin) and decoded, |
| 32 |
* the speed for this is measured |
* the speed for this is measured. |
| 33 |
* |
* |
| 34 |
* The program is plain C and needs no libraries except for libxvidcore, |
* The program is plain C and needs no libraries except for libxvidcore, |
| 35 |
* and maths-lib, so with UN*X you simply compile by |
* and maths-lib. |
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* |
|
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* gcc xvid_decraw.c -lxvidcore -lm -o xvid_decraw |
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* |
* |
| 37 |
* You have to specify the image dimensions (until the add the feature |
* Use ./xvid_decraw -help for a list of options |
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* to read this from the bitstream) |
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* |
* |
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* Parameters are: xvid_stat XDIM YDIM |
****************************************************************************/ |
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* |
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* output and indivual m4v-files are saved, if corresponding flags are set |
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* |
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************************************************************************/ |
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#include <stdio.h> |
#include <stdio.h> |
| 42 |
#include <stdlib.h> |
#include <stdlib.h> |
| 43 |
#include <math.h> // needed for log10 |
#include <string.h> |
| 44 |
#include <sys/time.h> // only needed for gettimeofday |
#include <math.h> |
| 45 |
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#ifndef WIN32 |
| 46 |
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#include <sys/time.h> |
| 47 |
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#else |
| 48 |
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#include <time.h> |
| 49 |
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#endif |
| 50 |
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| 51 |
#include "../src/xvid.h" /* comes with XviD */ |
#include "xvid.h" |
| 52 |
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| 53 |
#define ABS_MAXFRAMENR 9999 // max number of frames |
/***************************************************************************** |
| 54 |
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* Global vars in module and constants |
| 55 |
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****************************************************************************/ |
| 56 |
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| 57 |
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/* max number of frames */ |
| 58 |
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#define ABS_MAXFRAMENR 9999 |
| 59 |
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| 60 |
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#define USE_PNM 0 |
| 61 |
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#define USE_TGA 1 |
| 62 |
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|
| 63 |
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static int XDIM = 0; |
| 64 |
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static int YDIM = 0; |
| 65 |
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static int ARG_SAVEDECOUTPUT = 0; |
| 66 |
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static int ARG_SAVEMPEGSTREAM = 0; |
| 67 |
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static char *ARG_INPUTFILE = NULL; |
| 68 |
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static int CSP = XVID_CSP_I420; |
| 69 |
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static int BPP = 1; |
| 70 |
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static int FORMAT = USE_PNM; |
| 71 |
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|
| 72 |
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static char filepath[256] = "./"; |
| 73 |
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static void *dec_handle = NULL; |
| 74 |
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| 75 |
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#define BUFFER_SIZE (2*1024*1024) |
| 76 |
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| 77 |
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/***************************************************************************** |
| 78 |
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* Local prototypes |
| 79 |
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****************************************************************************/ |
| 80 |
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| 81 |
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static double msecond(); |
| 82 |
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static int write_pgm(char *filename, |
| 83 |
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unsigned char *image); |
| 84 |
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static int dec_init(int use_assembler); |
| 85 |
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static int dec_main(unsigned char *istream, |
| 86 |
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unsigned char *ostream, |
| 87 |
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int istream_size, |
| 88 |
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xvid_dec_stats_t *xvid_dec_stats); |
| 89 |
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static int dec_stop(); |
| 90 |
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static void usage(); |
| 91 |
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int write_image(char *prefix, unsigned char *image); |
| 92 |
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int write_pnm(char *filename, unsigned char *image); |
| 93 |
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int write_tga(char *filename, unsigned char *image); |
| 94 |
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| 95 |
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const char * type2str(int type) |
| 96 |
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{ |
| 97 |
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if (type==XVID_TYPE_IVOP) |
| 98 |
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return "I"; |
| 99 |
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if (type==XVID_TYPE_PVOP) |
| 100 |
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return "P"; |
| 101 |
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if (type==XVID_TYPE_BVOP) |
| 102 |
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return "B"; |
| 103 |
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return "S"; |
| 104 |
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} |
| 105 |
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| 106 |
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/***************************************************************************** |
| 107 |
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* Main program |
| 108 |
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****************************************************************************/ |
| 109 |
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|
| 110 |
int XDIM=720; |
int main(int argc, char *argv[]) |
| 111 |
int YDIM=576; |
{ |
| 112 |
int i,filenr = 0; |
unsigned char *mp4_buffer = NULL; |
| 113 |
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unsigned char *mp4_ptr = NULL; |
| 114 |
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unsigned char *out_buffer = NULL; |
| 115 |
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int useful_bytes; |
| 116 |
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xvid_dec_stats_t xvid_dec_stats; |
| 117 |
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| 118 |
int save_dec_flag = 1; // save decompressed bytestream? |
double totaldectime; |
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int save_m4v_flag = 0; // save bytestream itself? |
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| 119 |
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| 120 |
char filepath[256] = "./"; // the path where to save output |
long totalsize; |
| 121 |
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int status; |
| 122 |
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| 123 |
void *dec_handle = NULL; // handle for decoding |
int use_assembler = 0; |
| 124 |
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|
| 125 |
/*********************************************************************/ |
char filename[256]; |
|
/* "statistical" functions */ |
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/* */ |
|
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/* these are not needed for decoding itself, but for measuring */ |
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/* time (and maybe later quality), there in nothing specific to */ |
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/* XviD in these */ |
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/* */ |
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/*********************************************************************/ |
|
| 126 |
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| 127 |
double msecond() |
FILE *in_file; |
| 128 |
/* return the current time in seconds(!) */ |
int filenr; |
| 129 |
{ |
int i; |
| 130 |
struct timeval tv; |
|
| 131 |
gettimeofday(&tv, 0); |
printf("xvid_decraw - raw mpeg4 bitstream decoder "); |
| 132 |
return tv.tv_sec + tv.tv_usec * 1.0e-6; |
printf("written by Christoph Lampert 2002-2003\n\n"); |
| 133 |
|
|
| 134 |
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/***************************************************************************** |
| 135 |
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* Command line parsing |
| 136 |
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****************************************************************************/ |
| 137 |
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|
| 138 |
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for (i=1; i< argc; i++) { |
| 139 |
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|
| 140 |
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if (strcmp("-asm", argv[i]) == 0 ) { |
| 141 |
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use_assembler = 1; |
| 142 |
|
} else if (strcmp("-d", argv[i]) == 0) { |
| 143 |
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ARG_SAVEDECOUTPUT = 1; |
| 144 |
|
} else if (strcmp("-i", argv[i]) == 0 && i < argc - 1 ) { |
| 145 |
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i++; |
| 146 |
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ARG_INPUTFILE = argv[i]; |
| 147 |
|
} else if (strcmp("-m", argv[i]) == 0) { |
| 148 |
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ARG_SAVEMPEGSTREAM = 1; |
| 149 |
|
} else if (strcmp("-c", argv[i]) == 0 && i < argc - 1 ) { |
| 150 |
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i++; |
| 151 |
|
if (strcmp(argv[i], "rgb16") == 0) { |
| 152 |
|
CSP = XVID_CSP_RGB555; |
| 153 |
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BPP = 2; |
| 154 |
|
} else if (strcmp(argv[i], "rgb24") == 0) { |
| 155 |
|
CSP = XVID_CSP_BGR; |
| 156 |
|
BPP = 3; |
| 157 |
|
} else if (strcmp(argv[i], "rgb32") == 0) { |
| 158 |
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CSP = XVID_CSP_BGRA; |
| 159 |
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BPP = 4; |
| 160 |
|
} else if (strcmp(argv[i], "yv12") == 0) { |
| 161 |
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CSP = XVID_CSP_YV12; |
| 162 |
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BPP = 1; |
| 163 |
|
} else { |
| 164 |
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CSP = XVID_CSP_I420; |
| 165 |
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BPP = 1; |
| 166 |
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} |
| 167 |
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} else if (strcmp("-f", argv[i]) == 0 && i < argc -1) { |
| 168 |
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i++; |
| 169 |
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if (strcmp(argv[i], "tga") == 0) { |
| 170 |
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FORMAT = USE_TGA; |
| 171 |
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} else { |
| 172 |
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FORMAT = USE_PNM; |
| 173 |
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} |
| 174 |
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} else if (strcmp("-help", argv[i]) == 0) { |
| 175 |
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usage(); |
| 176 |
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return(0); |
| 177 |
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} else { |
| 178 |
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usage(); |
| 179 |
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exit(-1); |
| 180 |
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} |
| 181 |
} |
} |
| 182 |
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|
| 183 |
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#if defined(_MSC_VER) |
| 184 |
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if (ARG_INPUTFILE==NULL) { |
| 185 |
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fprintf(stderr, "Warning: MSVC build does not read EOF correctly from stdin. Use the -i switch.\n\n"); |
| 186 |
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} |
| 187 |
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#endif |
| 188 |
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| 189 |
/*********************************************************************/ |
/***************************************************************************** |
| 190 |
/* input and output functions */ |
* Values checking |
| 191 |
/* */ |
****************************************************************************/ |
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/* the are small and simple routines for writing image */ |
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/* image. It's just for convenience, again nothing specific to XviD */ |
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/* */ |
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/*********************************************************************/ |
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| 192 |
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| 193 |
int write_pgm(char *filename, unsigned char *image) |
if ( ARG_INPUTFILE == NULL || strcmp(ARG_INPUTFILE, "stdin") == 0) { |
| 194 |
{ |
in_file = stdin; |
| 195 |
FILE *filehandle; |
} |
| 196 |
filehandle=fopen(filename,"wb"); |
else { |
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if (filehandle) |
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{ |
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fprintf(filehandle,"P5\n\n"); // |
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fprintf(filehandle,"%d %d 255\n",XDIM,YDIM*3/2); |
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fwrite(image,XDIM,YDIM*3/2,filehandle); |
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| 198 |
fclose(filehandle); |
in_file = fopen(ARG_INPUTFILE, "rb"); |
| 199 |
return 0; |
if (in_file == NULL) { |
| 200 |
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fprintf(stderr, "Error opening input file %s\n", ARG_INPUTFILE); |
| 201 |
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return(-1); |
| 202 |
} |
} |
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else |
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return 1; |
|
| 203 |
} |
} |
| 204 |
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| 205 |
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/* PNM/PGM format can't handle 16/32 bit data */ |
| 206 |
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if (BPP != 1 && BPP != 3 && FORMAT == USE_PNM) { |
| 207 |
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FORMAT = USE_TGA; |
| 208 |
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} |
| 209 |
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| 210 |
int write_ppm(char *filename, unsigned char *image) |
/***************************************************************************** |
| 211 |
{ |
* Memory allocation |
| 212 |
FILE *filehandle; |
****************************************************************************/ |
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filehandle=fopen(filename,"wb"); |
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if (filehandle) |
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{ |
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fprintf(filehandle,"P6\n\n"); // |
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fprintf(filehandle,"%d %d 255\n",XDIM,YDIM); |
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fwrite(image,XDIM,YDIM*3,filehandle); |
|
| 213 |
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| 214 |
fclose(filehandle); |
/* Memory for encoded mp4 stream */ |
| 215 |
return 0; |
mp4_buffer = (unsigned char *) malloc(BUFFER_SIZE); |
| 216 |
} |
mp4_ptr = mp4_buffer; |
| 217 |
else |
if (!mp4_buffer) |
| 218 |
return 1; |
goto free_all_memory; |
|
} |
|
| 219 |
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|
| 220 |
/*********************************************************************/ |
/***************************************************************************** |
| 221 |
/* Routines for decoding: init encoder, frame step, release encoder */ |
* XviD PART Start |
| 222 |
/*********************************************************************/ |
****************************************************************************/ |
| 223 |
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| 224 |
int dec_init(int use_assembler) /* init decoder before first run */ |
status = dec_init(use_assembler); |
| 225 |
{ |
if (status) { |
| 226 |
int xerr; |
fprintf(stderr, |
| 227 |
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"Decore INIT problem, return value %d\n", status); |
| 228 |
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goto release_all; |
| 229 |
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} |
| 230 |
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XVID_INIT_PARAM xinit; |
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XVID_DEC_PARAM xparam; |
|
| 231 |
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| 232 |
if(use_assembler) |
/***************************************************************************** |
| 233 |
#ifdef ARCH_IA64 |
* Main loop |
| 234 |
xinit.cpu_flags = XVID_CPU_FORCE | XVID_CPU_IA64; |
****************************************************************************/ |
| 235 |
#else |
|
| 236 |
xinit.cpu_flags = 0; |
/* Fill the buffer */ |
| 237 |
#endif |
useful_bytes = fread(mp4_buffer, 1, BUFFER_SIZE, in_file); |
| 238 |
else |
|
| 239 |
xinit.cpu_flags = XVID_CPU_FORCE; |
totaldectime = 0; |
| 240 |
|
totalsize = 0; |
| 241 |
|
filenr = 0; |
| 242 |
|
mp4_ptr = mp4_buffer; |
| 243 |
|
|
| 244 |
xvid_init(NULL, 0, &xinit, NULL); |
do { |
| 245 |
xparam.width = XDIM; |
int used_bytes = 0; |
| 246 |
xparam.height = YDIM; |
double dectime; |
| 247 |
|
|
| 248 |
xerr = xvid_decore(NULL, XVID_DEC_CREATE, &xparam, NULL); |
/* |
| 249 |
dec_handle = xparam.handle; |
* If the buffer is half empty or there are no more bytes in it |
| 250 |
|
* then fill it. |
| 251 |
|
*/ |
| 252 |
|
if (mp4_ptr > mp4_buffer + BUFFER_SIZE/2) { |
| 253 |
|
int already_in_buffer = (mp4_buffer + BUFFER_SIZE - mp4_ptr); |
| 254 |
|
|
| 255 |
|
/* Move data if needed */ |
| 256 |
|
if (already_in_buffer > 0) |
| 257 |
|
memcpy(mp4_buffer, mp4_ptr, already_in_buffer); |
| 258 |
|
|
| 259 |
return xerr; |
/* Update mp4_ptr */ |
| 260 |
} |
mp4_ptr = mp4_buffer; |
| 261 |
|
|
| 262 |
int dec_main(unsigned char *m4v_buffer, unsigned char *out_buffer,int *m4v_size) |
/* read new data */ |
| 263 |
{ /* decode one frame */ |
if(feof(in_file)) |
| 264 |
|
break; |
| 265 |
|
|
| 266 |
int xerr; |
useful_bytes += fread(mp4_buffer + already_in_buffer, |
| 267 |
XVID_DEC_FRAME xframe; |
1, BUFFER_SIZE - already_in_buffer, |
| 268 |
|
in_file); |
| 269 |
|
|
| 270 |
|
} |
| 271 |
|
|
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xframe.bitstream = m4v_buffer; |
|
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xframe.length = 9999; |
|
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xframe.image = out_buffer; |
|
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xframe.stride = XDIM; |
|
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xframe.colorspace = XVID_CSP_YV12; |
|
| 272 |
|
|
| 273 |
|
/* This loop is needed to handle VOL/NVOP reading */ |
| 274 |
do { |
do { |
|
xerr = xvid_decore(dec_handle, XVID_DEC_DECODE, &xframe, NULL); |
|
| 275 |
|
|
| 276 |
*m4v_size = xframe.length; |
/* Decode frame */ |
| 277 |
xframe.bitstream += *m4v_size; |
dectime = msecond(); |
| 278 |
|
used_bytes = dec_main(mp4_ptr, out_buffer, useful_bytes, &xvid_dec_stats); |
| 279 |
|
dectime = msecond() - dectime; |
| 280 |
|
|
| 281 |
|
/* Resize image buffer if needed */ |
| 282 |
|
if(xvid_dec_stats.type == XVID_TYPE_VOL) { |
| 283 |
|
|
| 284 |
|
/* Check if old buffer is smaller */ |
| 285 |
|
if(XDIM*YDIM < xvid_dec_stats.data.vol.width*xvid_dec_stats.data.vol.height) { |
| 286 |
|
|
| 287 |
|
/* Copy new witdh and new height from the vol structure */ |
| 288 |
|
XDIM = xvid_dec_stats.data.vol.width; |
| 289 |
|
YDIM = xvid_dec_stats.data.vol.height; |
| 290 |
|
|
| 291 |
|
/* Free old output buffer*/ |
| 292 |
|
if(out_buffer) free(out_buffer); |
| 293 |
|
|
| 294 |
|
/* Allocate the new buffer */ |
| 295 |
|
out_buffer = (unsigned char*)malloc(XDIM*YDIM*4); |
| 296 |
|
if(out_buffer == NULL) |
| 297 |
|
goto free_all_memory; |
| 298 |
|
|
| 299 |
} while (*m4v_size<7); /* this skips N-VOPs */ |
fprintf(stderr, "Resized frame buffer to %dx%d\n", XDIM, YDIM); |
| 300 |
|
} |
| 301 |
|
} |
| 302 |
|
|
| 303 |
return xerr; |
/* Update buffer pointers */ |
| 304 |
|
if(used_bytes > 0) { |
| 305 |
|
mp4_ptr += used_bytes; |
| 306 |
|
useful_bytes -= used_bytes; |
| 307 |
|
|
| 308 |
|
/* Total size */ |
| 309 |
|
totalsize += used_bytes; |
| 310 |
} |
} |
| 311 |
|
|
| 312 |
int dec_stop() /* close decoder to release resources */ |
}while(xvid_dec_stats.type <= 0 && useful_bytes > 0); |
| 313 |
{ |
|
| 314 |
int xerr; |
/* Check if there is a negative number of useful bytes left in buffer |
| 315 |
xerr = xvid_decore(dec_handle, XVID_DEC_DESTROY, NULL, NULL); |
* This means we went too far */ |
| 316 |
|
if(useful_bytes < 0) |
| 317 |
|
break; |
| 318 |
|
|
| 319 |
|
/* Updated data - Count only usefull decode time */ |
| 320 |
|
totaldectime += dectime; |
| 321 |
|
|
| 322 |
|
|
| 323 |
|
printf("Frame %5d: type = %s, dectime(ms) =%6.1f, length(bytes) =%7d\n", |
| 324 |
|
filenr, type2str(xvid_dec_stats.type), dectime, used_bytes); |
| 325 |
|
|
| 326 |
return xerr; |
/* Save individual mpeg4 stream if required */ |
| 327 |
|
if(ARG_SAVEMPEGSTREAM) { |
| 328 |
|
FILE *filehandle = NULL; |
| 329 |
|
|
| 330 |
|
sprintf(filename, "%sframe%05d.m4v", filepath, filenr); |
| 331 |
|
filehandle = fopen(filename, "wb"); |
| 332 |
|
if(!filehandle) { |
| 333 |
|
fprintf(stderr, |
| 334 |
|
"Error writing single mpeg4 stream to file %s\n", |
| 335 |
|
filename); |
| 336 |
|
} |
| 337 |
|
else { |
| 338 |
|
fwrite(mp4_ptr-used_bytes, 1, used_bytes, filehandle); |
| 339 |
|
fclose(filehandle); |
| 340 |
|
} |
| 341 |
} |
} |
| 342 |
|
|
| 343 |
|
/* Save output frame if required */ |
| 344 |
|
if (ARG_SAVEDECOUTPUT) { |
| 345 |
|
sprintf(filename, "%sdec%05d", filepath, filenr); |
| 346 |
|
if(write_image(filename, out_buffer)) { |
| 347 |
|
fprintf(stderr, |
| 348 |
|
"Error writing decoded PGM frame %s\n", |
| 349 |
|
filename); |
| 350 |
|
} |
| 351 |
|
} |
| 352 |
|
|
| 353 |
/*********************************************************************/ |
filenr++; |
|
/* Main program */ |
|
|
/*********************************************************************/ |
|
| 354 |
|
|
| 355 |
int main(int argc, char *argv[]) |
} while ( (status>=0) && (filenr<ABS_MAXFRAMENR)); |
|
{ |
|
|
unsigned char *divx_buffer = NULL; |
|
|
unsigned char *divx_ptr = NULL; |
|
|
unsigned char *out_buffer = NULL; |
|
| 356 |
|
|
| 357 |
double dectime; |
/***************************************************************************** |
| 358 |
double totaldectime=0.; |
* Flush decoder buffers |
| 359 |
|
****************************************************************************/ |
| 360 |
|
|
| 361 |
long totalsize=0; |
do { |
|
int status; |
|
| 362 |
|
|
| 363 |
int m4v_size; |
/* Fake vars */ |
| 364 |
int frame_type[ABS_MAXFRAMENR]; |
int used_bytes; |
| 365 |
int use_assembler=1; |
double dectime; |
| 366 |
|
|
| 367 |
char filename[256]; |
do { |
| 368 |
|
dectime = msecond(); |
| 369 |
|
used_bytes = dec_main(NULL, out_buffer, -1, &xvid_dec_stats); |
| 370 |
|
dectime = msecond() - dectime; |
| 371 |
|
}while(used_bytes>=0 && xvid_dec_stats.type <= 0); |
| 372 |
|
|
| 373 |
FILE *filehandle; |
if (used_bytes < 0) { /* XVID_ERR_END */ |
| 374 |
|
break; |
| 375 |
|
} |
| 376 |
|
|
| 377 |
if (argc>=3) |
/* Updated data - Count only usefull decode time */ |
| 378 |
{ XDIM = atoi(argv[1]); |
totaldectime += dectime; |
| 379 |
YDIM = atoi(argv[2]); |
|
| 380 |
if ( (XDIM <= 0) || (XDIM >= 2048) || (YDIM <=0) || (YDIM >= 2048) ) |
/* Prints some decoding stats */ |
| 381 |
{ fprintf(stderr,"Wrong frames size %d %d, trying PGM \n",XDIM, YDIM); |
printf("Frame %5d: type = %s, dectime(ms) =%6.1f, length(bytes) =%7d\n", |
| 382 |
|
filenr, type2str(xvid_dec_stats.type), dectime, used_bytes); |
| 383 |
|
|
| 384 |
|
/* Save output frame if required */ |
| 385 |
|
if (ARG_SAVEDECOUTPUT) { |
| 386 |
|
sprintf(filename, "%sdec%05d", filepath, filenr); |
| 387 |
|
if(write_image(filename, out_buffer)) { |
| 388 |
|
fprintf(stderr, |
| 389 |
|
"Error writing decoded frame %s\n", |
| 390 |
|
filename); |
| 391 |
} |
} |
| 392 |
} |
} |
|
if (argc>=4 && !strcmp(argv[3],"noasm")) |
|
|
use_assembler = 0; |
|
|
|
|
| 393 |
|
|
| 394 |
/* allocate memory */ |
filenr++; |
| 395 |
|
|
| 396 |
divx_buffer = (unsigned char *) malloc(10*XDIM*YDIM); |
}while(1); |
|
// this should really be enough memory! |
|
|
if (!divx_buffer) |
|
|
goto free_all_memory; |
|
|
divx_ptr = divx_buffer+10*XDIM*YDIM; |
|
| 397 |
|
|
| 398 |
out_buffer = (unsigned char *) malloc(4*XDIM*YDIM); /* YUV needs less */ |
/***************************************************************************** |
| 399 |
if (!out_buffer) |
* Calculate totals and averages for output, print results |
| 400 |
goto free_all_memory; |
****************************************************************************/ |
| 401 |
|
|
| 402 |
|
if (filenr>0) { |
| 403 |
|
totalsize /= filenr; |
| 404 |
|
totaldectime /= filenr; |
| 405 |
|
printf("Avg: dectime(ms) =%7.2f, fps =%7.2f, length(bytes) =%7d\n", |
| 406 |
|
totaldectime, 1000/totaldectime, (int)totalsize); |
| 407 |
|
}else{ |
| 408 |
|
printf("Nothing was decoded!\n"); |
| 409 |
|
} |
| 410 |
|
|
| 411 |
/*********************************************************************/ |
/***************************************************************************** |
| 412 |
/* XviD PART Start */ |
* XviD PART Stop |
| 413 |
/*********************************************************************/ |
****************************************************************************/ |
| 414 |
|
|
| 415 |
status = dec_init(use_assembler); |
release_all: |
| 416 |
|
if (dec_handle) { |
| 417 |
|
status = dec_stop(); |
| 418 |
if (status) |
if (status) |
| 419 |
{ |
fprintf(stderr, "decore RELEASE problem return value %d\n", status); |
|
printf("Decore INIT problem, return value %d\n", status); |
|
|
goto release_all; |
|
| 420 |
} |
} |
| 421 |
|
|
| 422 |
|
free_all_memory: |
| 423 |
|
free(out_buffer); |
| 424 |
|
free(mp4_buffer); |
| 425 |
|
|
| 426 |
|
return(0); |
| 427 |
|
} |
| 428 |
|
|
| 429 |
/*********************************************************************/ |
/***************************************************************************** |
| 430 |
/* Main loop */ |
* Usage function |
| 431 |
/*********************************************************************/ |
****************************************************************************/ |
| 432 |
|
|
| 433 |
do |
static void usage() |
| 434 |
{ |
{ |
| 435 |
|
|
| 436 |
if (divx_ptr > divx_buffer+5*XDIM*YDIM) /* buffer more than half empty */ |
fprintf(stderr, "Usage : xvid_decraw [OPTIONS]\n"); |
| 437 |
{ int rest=(divx_buffer+10*XDIM*YDIM-divx_ptr); |
fprintf(stderr, "Options :\n"); |
| 438 |
if (rest) |
fprintf(stderr, " -asm : use assembly optimizations (default=disabled)\n"); |
| 439 |
memcpy(divx_buffer, divx_ptr, rest); |
fprintf(stderr, " -i string : input filename (default=stdin)\n"); |
| 440 |
divx_ptr = divx_buffer; |
fprintf(stderr, " -d : save decoder output\n"); |
| 441 |
fread(divx_buffer+rest, 1, 5*XDIM*YDIM, stdin); /* read new data */ |
fprintf(stderr, " -c csp : choose colorspace output (rgb16, rgb24, rgb32, yv12, i420)\n"); |
| 442 |
|
fprintf(stderr, " -f format : choose output file format (tga, pnm, pgm)\n"); |
| 443 |
|
fprintf(stderr, " -m : save mpeg4 raw stream to individual files\n"); |
| 444 |
|
fprintf(stderr, " -help : This help message\n"); |
| 445 |
|
fprintf(stderr, " (* means default)\n"); |
| 446 |
|
|
| 447 |
} |
} |
| 448 |
|
|
| 449 |
dectime = -msecond(); |
/***************************************************************************** |
| 450 |
status = dec_main(divx_ptr, out_buffer, &m4v_size); |
* "helper" functions |
| 451 |
|
****************************************************************************/ |
| 452 |
|
|
| 453 |
if (status) |
/* return the current time in milli seconds */ |
| 454 |
|
static double |
| 455 |
|
msecond() |
| 456 |
{ |
{ |
| 457 |
break; |
#ifndef WIN32 |
| 458 |
|
struct timeval tv; |
| 459 |
|
gettimeofday(&tv, 0); |
| 460 |
|
return((double)tv.tv_sec*1.0e3 + (double)tv.tv_usec*1.0e-3); |
| 461 |
|
#else |
| 462 |
|
clock_t clk; |
| 463 |
|
clk = clock(); |
| 464 |
|
return(clk * 1000 / CLOCKS_PER_SEC); |
| 465 |
|
#endif |
| 466 |
} |
} |
|
dectime += msecond(); |
|
|
divx_ptr += m4v_size; |
|
| 467 |
|
|
| 468 |
totalsize += m4v_size; |
/***************************************************************************** |
| 469 |
|
* output functions |
| 470 |
|
****************************************************************************/ |
| 471 |
|
|
| 472 |
|
int write_image(char *prefix, unsigned char *image) |
| 473 |
|
{ |
| 474 |
|
char filename[1024]; |
| 475 |
|
char *ext; |
| 476 |
|
int ret; |
| 477 |
|
|
| 478 |
|
if (FORMAT == USE_PNM && BPP == 1) { |
| 479 |
|
ext = "pgm"; |
| 480 |
|
} else if (FORMAT == USE_PNM && BPP == 3) { |
| 481 |
|
ext = "pnm"; |
| 482 |
|
} else if (FORMAT == USE_TGA) { |
| 483 |
|
ext = "tga"; |
| 484 |
|
} else { |
| 485 |
|
fprintf(stderr, "Bug: should not reach this path code -- please report to xvid-devel@xvid.org with command line options used"); |
| 486 |
|
exit(-1); |
| 487 |
|
} |
| 488 |
|
|
| 489 |
|
sprintf(filename, "%s.%s", prefix, ext); |
| 490 |
|
|
| 491 |
|
if (FORMAT == USE_PNM) { |
| 492 |
|
ret = write_pnm(filename, image); |
| 493 |
|
} else { |
| 494 |
|
ret = write_tga(filename, image); |
| 495 |
|
} |
| 496 |
|
|
| 497 |
|
return(ret); |
| 498 |
|
} |
| 499 |
|
|
| 500 |
|
int write_tga(char *filename, unsigned char *image) |
| 501 |
|
{ |
| 502 |
|
FILE * f; |
| 503 |
|
char hdr[18]; |
| 504 |
|
|
| 505 |
|
f = fopen(filename, "wb"); |
| 506 |
|
if ( f == NULL) { |
| 507 |
|
return -1; |
| 508 |
|
} |
| 509 |
|
|
| 510 |
|
hdr[0] = 0; /* ID length */ |
| 511 |
|
hdr[1] = 0; /* Color map type */ |
| 512 |
|
hdr[2] = (BPP>1)?2:3; /* Uncompressed true color (2) or greymap (3) */ |
| 513 |
|
hdr[3] = 0; /* Color map specification (not used) */ |
| 514 |
|
hdr[4] = 0; /* Color map specification (not used) */ |
| 515 |
|
hdr[5] = 0; /* Color map specification (not used) */ |
| 516 |
|
hdr[6] = 0; /* Color map specification (not used) */ |
| 517 |
|
hdr[7] = 0; /* Color map specification (not used) */ |
| 518 |
|
hdr[8] = 0; /* LSB X origin */ |
| 519 |
|
hdr[9] = 0; /* MSB X origin */ |
| 520 |
|
hdr[10] = 0; /* LSB Y origin */ |
| 521 |
|
hdr[11] = 0; /* MSB Y origin */ |
| 522 |
|
hdr[12] = (XDIM>>0)&0xff; /* LSB Width */ |
| 523 |
|
hdr[13] = (XDIM>>8)&0xff; /* MSB Width */ |
| 524 |
|
if (BPP > 1) { |
| 525 |
|
hdr[14] = (YDIM>>0)&0xff; /* LSB Height */ |
| 526 |
|
hdr[15] = (YDIM>>8)&0xff; /* MSB Height */ |
| 527 |
|
} else { |
| 528 |
|
hdr[14] = ((YDIM*3)>>1)&0xff; /* LSB Height */ |
| 529 |
|
hdr[15] = ((YDIM*3)>>9)&0xff; /* MSB Height */ |
| 530 |
|
} |
| 531 |
|
hdr[16] = BPP*8; |
| 532 |
|
hdr[17] = 0x00 | (1<<5) /* Up to down */ | (0<<4); /* Image descriptor */ |
| 533 |
|
|
| 534 |
|
/* Write header */ |
| 535 |
|
fwrite(hdr, 1, sizeof(hdr), f); |
| 536 |
|
|
| 537 |
|
#ifdef ARCH_IS_LITTLE_ENDIAN |
| 538 |
|
/* write first plane */ |
| 539 |
|
fwrite(image, 1, XDIM*YDIM*BPP, f); |
| 540 |
|
#else |
| 541 |
|
{ |
| 542 |
|
int i; |
| 543 |
|
for (i=0; i<width*height*BPP;i+=BPP) { |
| 544 |
|
if (BPP == 1) { |
| 545 |
|
fputc(image+i, f); |
| 546 |
|
} else if (BPP == 2) { |
| 547 |
|
fputc(image+i+1, f); |
| 548 |
|
fputc(image+i+0, f); |
| 549 |
|
} else if (BPP == 3) { |
| 550 |
|
fputc(image+i+2, f); |
| 551 |
|
fputc(image+i+1, f); |
| 552 |
|
fputc(image+i+0, f); |
| 553 |
|
} else if (BPP == 4) { |
| 554 |
|
fputc(image+i+3, f); |
| 555 |
|
fputc(image+i+2, f); |
| 556 |
|
fputc(image+i+1, f); |
| 557 |
|
fputc(image+i+0, f); |
| 558 |
|
} |
| 559 |
|
} |
| 560 |
|
} |
| 561 |
|
#endif |
| 562 |
|
|
| 563 |
printf("Frame %5d: dectime =%6.1f ms length=%7d bytes \n", |
/* Write Y and V planes for YUV formats */ |
| 564 |
filenr, dectime*1000, m4v_size); |
if (BPP == 1) { |
| 565 |
|
int i; |
| 566 |
|
|
| 567 |
if (save_m4v_flag) |
/* Write the two chrominance planes */ |
| 568 |
{ |
for (i=0; i<YDIM/2; i++) { |
| 569 |
sprintf(filename, "%sframe%05d.m4v", filepath, filenr); |
fwrite(image+XDIM*YDIM + i*XDIM/2, 1, XDIM/2, f); |
| 570 |
filehandle = fopen(filename, "wb"); |
fwrite(image+5*XDIM*YDIM/4 + i*XDIM/2, 1, XDIM/2, f); |
| 571 |
fwrite(divx_buffer, m4v_size, 1, filehandle); |
} |
|
fclose(filehandle); |
|
| 572 |
} |
} |
|
totaldectime += dectime; |
|
| 573 |
|
|
| 574 |
|
|
| 575 |
/*********************************************************************/ |
/* Close the file */ |
| 576 |
/* analyse the decoded frame and compare to original */ |
fclose(f); |
|
/*********************************************************************/ |
|
| 577 |
|
|
| 578 |
if (save_dec_flag) |
return(0); |
| 579 |
|
} |
| 580 |
|
|
| 581 |
|
int write_pnm(char *filename, unsigned char *image) |
| 582 |
{ |
{ |
| 583 |
sprintf(filename, "%sdec%05d.pgm", filepath, filenr); |
FILE * f; |
| 584 |
write_pgm(filename,out_buffer); |
|
| 585 |
|
f = fopen(filename, "wb"); |
| 586 |
|
if ( f == NULL) { |
| 587 |
|
return -1; |
| 588 |
} |
} |
| 589 |
|
|
| 590 |
filenr++; |
if (BPP == 1) { |
| 591 |
|
int i; |
| 592 |
|
fprintf(f, "P5\n#xvid\n%i %i\n255\n", XDIM, YDIM*3/2); |
| 593 |
|
|
| 594 |
} while ( (status>=0) && (filenr<ABS_MAXFRAMENR) ); |
fwrite(image, 1, XDIM*YDIM, f); |
| 595 |
|
|
| 596 |
|
for (i=0; i<YDIM/2;i++) { |
| 597 |
|
fwrite(image+XDIM*YDIM + i*XDIM/2, 1, XDIM/2, f); |
| 598 |
|
fwrite(image+5*XDIM*YDIM/4 + i*XDIM/2, 1, XDIM/2, f); |
| 599 |
|
} |
| 600 |
|
} else if (BPP == 3) { |
| 601 |
|
int i; |
| 602 |
|
fprintf(f, "P6\n#xvid\n%i %i\n255\n", XDIM, YDIM); |
| 603 |
|
for (i=0; i<XDIM*YDIM*3; i+=3) { |
| 604 |
|
#ifdef ARCH_IS_LITTLE_ENDIAN |
| 605 |
|
fputc(image[i+2], f); |
| 606 |
|
fputc(image[i+1], f); |
| 607 |
|
fputc(image[i+0], f); |
| 608 |
|
#else |
| 609 |
|
fputc(image[i+0], f); |
| 610 |
|
fputc(image[i+1], f); |
| 611 |
|
fputc(image[i+2], f); |
| 612 |
|
#endif |
| 613 |
|
} |
| 614 |
|
} |
| 615 |
|
|
| 616 |
/*********************************************************************/ |
fclose(f); |
|
/* calculate totals and averages for output, print results */ |
|
|
/*********************************************************************/ |
|
| 617 |
|
|
| 618 |
totalsize /= filenr; |
return 0; |
| 619 |
totaldectime /= filenr; |
} |
| 620 |
|
/***************************************************************************** |
| 621 |
|
* Routines for decoding: init decoder, use, and stop decoder |
| 622 |
|
****************************************************************************/ |
| 623 |
|
|
| 624 |
|
/* init decoder before first run */ |
| 625 |
|
static int |
| 626 |
|
dec_init(int use_assembler) |
| 627 |
|
{ |
| 628 |
|
int ret; |
| 629 |
|
|
| 630 |
fprintf(stderr,"Avg: dectime %5.2f ms, %5.2f fps, filesize =%d\n", |
xvid_gbl_init_t xvid_gbl_init; |
| 631 |
1000*totaldectime, 1./totaldectime, totalsize); |
xvid_dec_create_t xvid_dec_create; |
| 632 |
|
|
| 633 |
/*********************************************************************/ |
/*------------------------------------------------------------------------ |
| 634 |
/* XviD PART Stop */ |
* XviD core initialization |
| 635 |
/*********************************************************************/ |
*----------------------------------------------------------------------*/ |
| 636 |
|
|
| 637 |
release_all: |
/* Version */ |
| 638 |
|
xvid_gbl_init.version = XVID_VERSION; |
| 639 |
|
|
| 640 |
|
/* Assembly setting */ |
| 641 |
|
if(use_assembler) |
| 642 |
|
#ifdef ARCH_IS_IA64 |
| 643 |
|
xvid_gbl_init.cpu_flags = XVID_CPU_FORCE | XVID_CPU_IA64; |
| 644 |
|
#else |
| 645 |
|
xvid_gbl_init.cpu_flags = 0; |
| 646 |
|
#endif |
| 647 |
|
else |
| 648 |
|
xvid_gbl_init.cpu_flags = XVID_CPU_FORCE; |
| 649 |
|
|
| 650 |
|
xvid_global(NULL, 0, &xvid_gbl_init, NULL); |
| 651 |
|
|
| 652 |
|
/*------------------------------------------------------------------------ |
| 653 |
|
* XviD encoder initialization |
| 654 |
|
*----------------------------------------------------------------------*/ |
| 655 |
|
|
| 656 |
|
/* Version */ |
| 657 |
|
xvid_dec_create.version = XVID_VERSION; |
| 658 |
|
|
| 659 |
if (dec_handle) |
/* |
| 660 |
|
* Image dimensions -- set to 0, xvidcore will resize when ever it is |
| 661 |
|
* needed |
| 662 |
|
*/ |
| 663 |
|
xvid_dec_create.width = 0; |
| 664 |
|
xvid_dec_create.height = 0; |
| 665 |
|
|
| 666 |
|
ret = xvid_decore(NULL, XVID_DEC_CREATE, &xvid_dec_create, NULL); |
| 667 |
|
|
| 668 |
|
dec_handle = xvid_dec_create.handle; |
| 669 |
|
|
| 670 |
|
return(ret); |
| 671 |
|
} |
| 672 |
|
|
| 673 |
|
/* decode one frame */ |
| 674 |
|
static int |
| 675 |
|
dec_main(unsigned char *istream, |
| 676 |
|
unsigned char *ostream, |
| 677 |
|
int istream_size, |
| 678 |
|
xvid_dec_stats_t *xvid_dec_stats) |
| 679 |
{ |
{ |
| 680 |
status = dec_stop(); |
|
| 681 |
if (status) |
int ret; |
| 682 |
printf("Decore RELEASE problem return value %d\n", status); |
|
| 683 |
|
xvid_dec_frame_t xvid_dec_frame; |
| 684 |
|
|
| 685 |
|
/* Set version */ |
| 686 |
|
xvid_dec_frame.version = XVID_VERSION; |
| 687 |
|
xvid_dec_stats->version = XVID_VERSION; |
| 688 |
|
|
| 689 |
|
/* No general flags to set */ |
| 690 |
|
xvid_dec_frame.general = 0; |
| 691 |
|
|
| 692 |
|
/* Input stream */ |
| 693 |
|
xvid_dec_frame.bitstream = istream; |
| 694 |
|
xvid_dec_frame.length = istream_size; |
| 695 |
|
|
| 696 |
|
/* Output frame structure */ |
| 697 |
|
xvid_dec_frame.output.plane[0] = ostream; |
| 698 |
|
xvid_dec_frame.output.stride[0] = XDIM*BPP; |
| 699 |
|
xvid_dec_frame.output.csp = CSP; |
| 700 |
|
|
| 701 |
|
ret = xvid_decore(dec_handle, XVID_DEC_DECODE, &xvid_dec_frame, xvid_dec_stats); |
| 702 |
|
|
| 703 |
|
return(ret); |
| 704 |
} |
} |
| 705 |
|
|
| 706 |
free_all_memory: |
/* close decoder to release resources */ |
| 707 |
free(out_buffer); |
static int |
| 708 |
free(divx_buffer); |
dec_stop() |
| 709 |
|
{ |
| 710 |
|
int ret; |
| 711 |
|
|
| 712 |
return 0; |
ret = xvid_decore(dec_handle, XVID_DEC_DESTROY, NULL, NULL); |
| 713 |
|
|
| 714 |
|
return(ret); |
| 715 |
} |
} |
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