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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 |
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* 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 |
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* along with this program; if not, write to the Free Software |
* along with this program; if not, write to the Free Software |
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* 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 1.15 2004-04-20 19:47:00 edgomez 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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* |
* |
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* An MPEG-4 bitstream is read from stdin and decoded, |
* An MPEG-4 bitstream is read from an input file (or stdin) and decoded, |
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* the speed for this is measured |
* the speed for this is measured. |
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* |
* |
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* The program is plain C and needs no libraries except for libxvidcore, |
* The program is plain C and needs no libraries except for libxvidcore, |
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* 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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* |
* |
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* 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> |
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#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 |
/***************************************************************************** |
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* Global vars in module and constants |
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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 dec_init(int use_assembler, int debug_level); |
83 |
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static int dec_main(unsigned char *istream, |
84 |
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unsigned char *ostream, |
85 |
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int istream_size, |
86 |
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xvid_dec_stats_t *xvid_dec_stats); |
87 |
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static int dec_stop(); |
88 |
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static void usage(); |
89 |
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static int write_image(char *prefix, unsigned char *image); |
90 |
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static int write_pnm(char *filename, unsigned char *image); |
91 |
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static int write_tga(char *filename, unsigned char *image); |
92 |
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93 |
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const char * type2str(int type) |
94 |
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{ |
95 |
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if (type==XVID_TYPE_IVOP) |
96 |
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return "I"; |
97 |
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if (type==XVID_TYPE_PVOP) |
98 |
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return "P"; |
99 |
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if (type==XVID_TYPE_BVOP) |
100 |
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return "B"; |
101 |
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return "S"; |
102 |
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} |
103 |
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104 |
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/***************************************************************************** |
105 |
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* Main program |
106 |
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****************************************************************************/ |
107 |
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108 |
int XDIM=720; |
int main(int argc, char *argv[]) |
109 |
int YDIM=576; |
{ |
110 |
int i,filenr = 0; |
unsigned char *mp4_buffer = NULL; |
111 |
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unsigned char *mp4_ptr = NULL; |
112 |
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unsigned char *out_buffer = NULL; |
113 |
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int useful_bytes; |
114 |
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xvid_dec_stats_t xvid_dec_stats; |
115 |
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116 |
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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117 |
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118 |
char filepath[256] = "./"; // the path where to save output |
long totalsize; |
119 |
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int status; |
120 |
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121 |
void *dec_handle = NULL; // handle for decoding |
int use_assembler = 0; |
122 |
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int debug_level = 0; |
123 |
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124 |
/*********************************************************************/ |
char filename[256]; |
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/* "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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/*********************************************************************/ |
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125 |
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126 |
double msecond() |
FILE *in_file; |
127 |
/* return the current time in seconds(!) */ |
int filenr; |
128 |
{ |
int i; |
129 |
struct timeval tv; |
|
130 |
gettimeofday(&tv, 0); |
printf("xvid_decraw - raw mpeg4 bitstream decoder "); |
131 |
return tv.tv_sec + tv.tv_usec * 1.0e-6; |
printf("written by Christoph Lampert 2002-2003\n\n"); |
132 |
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133 |
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/***************************************************************************** |
134 |
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* Command line parsing |
135 |
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****************************************************************************/ |
136 |
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137 |
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for (i=1; i< argc; i++) { |
138 |
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139 |
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if (strcmp("-asm", argv[i]) == 0 ) { |
140 |
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use_assembler = 1; |
141 |
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} else if (strcmp("-debug", argv[i]) == 0 && i < argc - 1 ) { |
142 |
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i++; |
143 |
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if (sscanf(argv[i], "0x%x", &debug_level) != 1) { |
144 |
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debug_level = atoi(argv[i]); |
145 |
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} |
146 |
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} else if (strcmp("-d", argv[i]) == 0) { |
147 |
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ARG_SAVEDECOUTPUT = 1; |
148 |
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} else if (strcmp("-i", argv[i]) == 0 && i < argc - 1 ) { |
149 |
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i++; |
150 |
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ARG_INPUTFILE = argv[i]; |
151 |
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} else if (strcmp("-m", argv[i]) == 0) { |
152 |
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ARG_SAVEMPEGSTREAM = 1; |
153 |
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} else if (strcmp("-c", argv[i]) == 0 && i < argc - 1 ) { |
154 |
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i++; |
155 |
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if (strcmp(argv[i], "rgb16") == 0) { |
156 |
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CSP = XVID_CSP_RGB555; |
157 |
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BPP = 2; |
158 |
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} else if (strcmp(argv[i], "rgb24") == 0) { |
159 |
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CSP = XVID_CSP_BGR; |
160 |
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BPP = 3; |
161 |
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} else if (strcmp(argv[i], "rgb32") == 0) { |
162 |
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CSP = XVID_CSP_BGRA; |
163 |
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BPP = 4; |
164 |
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} else if (strcmp(argv[i], "yv12") == 0) { |
165 |
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CSP = XVID_CSP_YV12; |
166 |
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BPP = 1; |
167 |
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} else { |
168 |
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CSP = XVID_CSP_I420; |
169 |
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BPP = 1; |
170 |
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} |
171 |
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} else if (strcmp("-f", argv[i]) == 0 && i < argc -1) { |
172 |
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i++; |
173 |
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if (strcmp(argv[i], "tga") == 0) { |
174 |
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FORMAT = USE_TGA; |
175 |
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} else { |
176 |
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FORMAT = USE_PNM; |
177 |
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} |
178 |
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} else if (strcmp("-help", argv[i]) == 0) { |
179 |
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usage(); |
180 |
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return(0); |
181 |
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} else { |
182 |
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usage(); |
183 |
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exit(-1); |
184 |
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} |
185 |
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} |
186 |
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187 |
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#if defined(_MSC_VER) |
188 |
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if (ARG_INPUTFILE==NULL) { |
189 |
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fprintf(stderr, "Warning: MSVC build does not read EOF correctly from stdin. Use the -i switch.\n\n"); |
190 |
} |
} |
191 |
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#endif |
192 |
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193 |
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/***************************************************************************** |
194 |
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* Values checking |
195 |
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****************************************************************************/ |
196 |
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197 |
/*********************************************************************/ |
if ( ARG_INPUTFILE == NULL || strcmp(ARG_INPUTFILE, "stdin") == 0) { |
198 |
/* input and output functions */ |
in_file = stdin; |
199 |
/* */ |
} |
200 |
/* the are small and simple routines for writing image */ |
else { |
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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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int write_pgm(char *filename, unsigned char *image) |
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{ |
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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,"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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201 |
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202 |
fclose(filehandle); |
in_file = fopen(ARG_INPUTFILE, "rb"); |
203 |
return 0; |
if (in_file == NULL) { |
204 |
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fprintf(stderr, "Error opening input file %s\n", ARG_INPUTFILE); |
205 |
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return(-1); |
206 |
} |
} |
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else |
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return 1; |
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207 |
} |
} |
208 |
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209 |
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/* PNM/PGM format can't handle 16/32 bit data */ |
210 |
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if (BPP != 1 && BPP != 3 && FORMAT == USE_PNM) { |
211 |
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FORMAT = USE_TGA; |
212 |
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} |
213 |
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214 |
int write_ppm(char *filename, unsigned char *image) |
/***************************************************************************** |
215 |
{ |
* Memory allocation |
216 |
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); |
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217 |
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218 |
fclose(filehandle); |
/* Memory for encoded mp4 stream */ |
219 |
return 0; |
mp4_buffer = (unsigned char *) malloc(BUFFER_SIZE); |
220 |
} |
mp4_ptr = mp4_buffer; |
221 |
else |
if (!mp4_buffer) |
222 |
return 1; |
goto free_all_memory; |
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} |
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223 |
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224 |
/*********************************************************************/ |
/***************************************************************************** |
225 |
/* Routines for decoding: init encoder, frame step, release encoder */ |
* XviD PART Start |
226 |
/*********************************************************************/ |
****************************************************************************/ |
227 |
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228 |
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status = dec_init(use_assembler, debug_level); |
229 |
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if (status) { |
230 |
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fprintf(stderr, |
231 |
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"Decore INIT problem, return value %d\n", status); |
232 |
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goto release_all; |
233 |
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} |
234 |
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int dec_init(int use_assembler) /* init decoder before first run */ |
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{ |
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int xerr; |
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235 |
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236 |
XVID_INIT_PARAM xinit; |
/***************************************************************************** |
237 |
XVID_DEC_PARAM xparam; |
* Main loop |
238 |
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****************************************************************************/ |
239 |
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240 |
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/* Fill the buffer */ |
241 |
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useful_bytes = fread(mp4_buffer, 1, BUFFER_SIZE, in_file); |
242 |
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243 |
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totaldectime = 0; |
244 |
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totalsize = 0; |
245 |
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filenr = 0; |
246 |
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mp4_ptr = mp4_buffer; |
247 |
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248 |
if(use_assembler) |
do { |
249 |
#ifdef ARCH_IA64 |
int used_bytes = 0; |
250 |
xinit.cpu_flags = XVID_CPU_FORCE | XVID_CPU_IA64; |
double dectime; |
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#else |
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xinit.cpu_flags = 0; |
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#endif |
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else |
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xinit.cpu_flags = XVID_CPU_FORCE; |
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251 |
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252 |
xvid_init(NULL, 0, &xinit, NULL); |
/* |
253 |
xparam.width = XDIM; |
* If the buffer is half empty or there are no more bytes in it |
254 |
xparam.height = YDIM; |
* then fill it. |
255 |
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*/ |
256 |
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if (mp4_ptr > mp4_buffer + BUFFER_SIZE/2) { |
257 |
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int already_in_buffer = (mp4_buffer + BUFFER_SIZE - mp4_ptr); |
258 |
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259 |
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/* Move data if needed */ |
260 |
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if (already_in_buffer > 0) |
261 |
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memcpy(mp4_buffer, mp4_ptr, already_in_buffer); |
262 |
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263 |
xerr = xvid_decore(NULL, XVID_DEC_CREATE, &xparam, NULL); |
/* Update mp4_ptr */ |
264 |
dec_handle = xparam.handle; |
mp4_ptr = mp4_buffer; |
265 |
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|
266 |
return xerr; |
/* read new data */ |
267 |
} |
if(feof(in_file)) |
268 |
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break; |
269 |
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|
270 |
int dec_main(unsigned char *m4v_buffer, unsigned char *out_buffer,int *m4v_size) |
useful_bytes += fread(mp4_buffer + already_in_buffer, |
271 |
{ /* decode one frame */ |
1, BUFFER_SIZE - already_in_buffer, |
272 |
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in_file); |
273 |
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274 |
int xerr; |
} |
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XVID_DEC_FRAME xframe; |
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275 |
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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; |
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276 |
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277 |
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/* This loop is needed to handle VOL/NVOP reading */ |
278 |
do { |
do { |
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xerr = xvid_decore(dec_handle, XVID_DEC_DECODE, &xframe, NULL); |
|
279 |
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280 |
*m4v_size = xframe.length; |
/* Decode frame */ |
281 |
xframe.bitstream += *m4v_size; |
dectime = msecond(); |
282 |
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used_bytes = dec_main(mp4_ptr, out_buffer, useful_bytes, &xvid_dec_stats); |
283 |
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dectime = msecond() - dectime; |
284 |
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285 |
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/* Resize image buffer if needed */ |
286 |
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if(xvid_dec_stats.type == XVID_TYPE_VOL) { |
287 |
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288 |
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/* Check if old buffer is smaller */ |
289 |
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if(XDIM*YDIM < xvid_dec_stats.data.vol.width*xvid_dec_stats.data.vol.height) { |
290 |
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291 |
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/* Copy new witdh and new height from the vol structure */ |
292 |
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XDIM = xvid_dec_stats.data.vol.width; |
293 |
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YDIM = xvid_dec_stats.data.vol.height; |
294 |
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295 |
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/* Free old output buffer*/ |
296 |
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if(out_buffer) free(out_buffer); |
297 |
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298 |
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/* Allocate the new buffer */ |
299 |
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out_buffer = (unsigned char*)malloc(XDIM*YDIM*4); |
300 |
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if(out_buffer == NULL) |
301 |
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goto free_all_memory; |
302 |
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303 |
} while (*m4v_size<7); /* this skips N-VOPs */ |
fprintf(stderr, "Resized frame buffer to %dx%d\n", XDIM, YDIM); |
304 |
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} |
305 |
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} |
306 |
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307 |
return xerr; |
/* Update buffer pointers */ |
308 |
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if(used_bytes > 0) { |
309 |
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mp4_ptr += used_bytes; |
310 |
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useful_bytes -= used_bytes; |
311 |
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312 |
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/* Total size */ |
313 |
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totalsize += used_bytes; |
314 |
} |
} |
315 |
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|
316 |
int dec_stop() /* close decoder to release resources */ |
}while(xvid_dec_stats.type <= 0 && useful_bytes > 0); |
317 |
{ |
|
318 |
int xerr; |
/* Check if there is a negative number of useful bytes left in buffer |
319 |
xerr = xvid_decore(dec_handle, XVID_DEC_DESTROY, NULL, NULL); |
* This means we went too far */ |
320 |
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if(useful_bytes < 0) |
321 |
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break; |
322 |
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323 |
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/* Updated data - Count only usefull decode time */ |
324 |
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totaldectime += dectime; |
325 |
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326 |
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327 |
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printf("Frame %5d: type = %s, dectime(ms) =%6.1f, length(bytes) =%7d\n", |
328 |
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filenr, type2str(xvid_dec_stats.type), dectime, used_bytes); |
329 |
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330 |
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/* Save individual mpeg4 stream if required */ |
331 |
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if(ARG_SAVEMPEGSTREAM) { |
332 |
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FILE *filehandle = NULL; |
333 |
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334 |
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sprintf(filename, "%sframe%05d.m4v", filepath, filenr); |
335 |
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filehandle = fopen(filename, "wb"); |
336 |
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if(!filehandle) { |
337 |
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fprintf(stderr, |
338 |
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"Error writing single mpeg4 stream to file %s\n", |
339 |
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filename); |
340 |
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} |
341 |
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else { |
342 |
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fwrite(mp4_ptr-used_bytes, 1, used_bytes, filehandle); |
343 |
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fclose(filehandle); |
344 |
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} |
345 |
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} |
346 |
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347 |
return xerr; |
/* Save output frame if required */ |
348 |
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if (ARG_SAVEDECOUTPUT) { |
349 |
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sprintf(filename, "%sdec%05d", filepath, filenr); |
350 |
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if(write_image(filename, out_buffer)) { |
351 |
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fprintf(stderr, |
352 |
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"Error writing decoded frame %s\n", |
353 |
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filename); |
354 |
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} |
355 |
} |
} |
356 |
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357 |
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filenr++; |
358 |
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|
359 |
/*********************************************************************/ |
} while ( (status>=0) && (filenr<ABS_MAXFRAMENR)); |
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/* Main program */ |
|
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/*********************************************************************/ |
|
360 |
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|
361 |
int main(int argc, char *argv[]) |
/***************************************************************************** |
362 |
{ |
* Flush decoder buffers |
363 |
unsigned char *divx_buffer = NULL; |
****************************************************************************/ |
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unsigned char *divx_ptr = NULL; |
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unsigned char *out_buffer = NULL; |
|
364 |
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|
365 |
double dectime; |
do { |
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double totaldectime=0.; |
|
366 |
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|
367 |
long totalsize=0; |
/* Fake vars */ |
368 |
int status; |
int used_bytes; |
369 |
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double dectime; |
370 |
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|
371 |
int m4v_size; |
do { |
372 |
int frame_type[ABS_MAXFRAMENR]; |
dectime = msecond(); |
373 |
int use_assembler=1; |
used_bytes = dec_main(NULL, out_buffer, -1, &xvid_dec_stats); |
374 |
|
dectime = msecond() - dectime; |
375 |
|
}while(used_bytes>=0 && xvid_dec_stats.type <= 0); |
376 |
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|
377 |
char filename[256]; |
if (used_bytes < 0) { /* XVID_ERR_END */ |
378 |
|
break; |
379 |
|
} |
380 |
|
|
381 |
FILE *filehandle; |
/* Updated data - Count only usefull decode time */ |
382 |
|
totaldectime += dectime; |
383 |
|
|
384 |
if (argc>=3) |
/* Prints some decoding stats */ |
385 |
{ XDIM = atoi(argv[1]); |
printf("Frame %5d: type = %s, dectime(ms) =%6.1f, length(bytes) =%7d\n", |
386 |
YDIM = atoi(argv[2]); |
filenr, type2str(xvid_dec_stats.type), dectime, used_bytes); |
387 |
if ( (XDIM <= 0) || (XDIM >= 2048) || (YDIM <=0) || (YDIM >= 2048) ) |
|
388 |
{ fprintf(stderr,"Wrong frames size %d %d, trying PGM \n",XDIM, YDIM); |
/* Save output frame if required */ |
389 |
|
if (ARG_SAVEDECOUTPUT) { |
390 |
|
sprintf(filename, "%sdec%05d", filepath, filenr); |
391 |
|
if(write_image(filename, out_buffer)) { |
392 |
|
fprintf(stderr, |
393 |
|
"Error writing decoded frame %s\n", |
394 |
|
filename); |
395 |
} |
} |
396 |
} |
} |
|
if (argc>=4 && !strcmp(argv[3],"noasm")) |
|
|
use_assembler = 0; |
|
|
|
|
397 |
|
|
398 |
/* allocate memory */ |
filenr++; |
399 |
|
|
400 |
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; |
|
401 |
|
|
402 |
out_buffer = (unsigned char *) malloc(4*XDIM*YDIM); /* YUV needs less */ |
/***************************************************************************** |
403 |
if (!out_buffer) |
* Calculate totals and averages for output, print results |
404 |
goto free_all_memory; |
****************************************************************************/ |
405 |
|
|
406 |
|
if (filenr>0) { |
407 |
|
totalsize /= filenr; |
408 |
|
totaldectime /= filenr; |
409 |
|
printf("Avg: dectime(ms) =%7.2f, fps =%7.2f, length(bytes) =%7d\n", |
410 |
|
totaldectime, 1000/totaldectime, (int)totalsize); |
411 |
|
}else{ |
412 |
|
printf("Nothing was decoded!\n"); |
413 |
|
} |
414 |
|
|
415 |
/*********************************************************************/ |
/***************************************************************************** |
416 |
/* XviD PART Start */ |
* XviD PART Stop |
417 |
/*********************************************************************/ |
****************************************************************************/ |
418 |
|
|
419 |
status = dec_init(use_assembler); |
release_all: |
420 |
|
if (dec_handle) { |
421 |
|
status = dec_stop(); |
422 |
if (status) |
if (status) |
423 |
{ |
fprintf(stderr, "decore RELEASE problem return value %d\n", status); |
|
printf("Decore INIT problem, return value %d\n", status); |
|
|
goto release_all; |
|
424 |
} |
} |
425 |
|
|
426 |
|
free_all_memory: |
427 |
|
free(out_buffer); |
428 |
|
free(mp4_buffer); |
429 |
|
|
430 |
/*********************************************************************/ |
return(0); |
431 |
/* Main loop */ |
} |
|
/*********************************************************************/ |
|
432 |
|
|
433 |
do |
/***************************************************************************** |
434 |
|
* Usage function |
435 |
|
****************************************************************************/ |
436 |
|
|
437 |
|
static void usage() |
438 |
{ |
{ |
439 |
|
|
440 |
if (divx_ptr > divx_buffer+5*XDIM*YDIM) /* buffer more than half empty */ |
fprintf(stderr, "Usage : xvid_decraw [OPTIONS]\n"); |
441 |
{ int rest=(divx_buffer+10*XDIM*YDIM-divx_ptr); |
fprintf(stderr, "Options :\n"); |
442 |
if (rest) |
fprintf(stderr, " -asm : use assembly optimizations (default=disabled)\n"); |
443 |
memcpy(divx_buffer, divx_ptr, rest); |
fprintf(stderr, " -debug : debug level (debug=0)\n"); |
444 |
divx_ptr = divx_buffer; |
fprintf(stderr, " -i string : input filename (default=stdin)\n"); |
445 |
fread(divx_buffer+rest, 1, 5*XDIM*YDIM, stdin); /* read new data */ |
fprintf(stderr, " -d : save decoder output\n"); |
446 |
|
fprintf(stderr, " -c csp : choose colorspace output (rgb16, rgb24, rgb32, yv12, i420)\n"); |
447 |
|
fprintf(stderr, " -f format : choose output file format (tga, pnm, pgm)\n"); |
448 |
|
fprintf(stderr, " -m : save mpeg4 raw stream to individual files\n"); |
449 |
|
fprintf(stderr, " -help : This help message\n"); |
450 |
|
fprintf(stderr, " (* means default)\n"); |
451 |
|
|
452 |
} |
} |
453 |
|
|
454 |
dectime = -msecond(); |
/***************************************************************************** |
455 |
status = dec_main(divx_ptr, out_buffer, &m4v_size); |
* "helper" functions |
456 |
|
****************************************************************************/ |
457 |
|
|
458 |
if (status) |
/* return the current time in milli seconds */ |
459 |
|
static double |
460 |
|
msecond() |
461 |
{ |
{ |
462 |
break; |
#ifndef WIN32 |
463 |
|
struct timeval tv; |
464 |
|
gettimeofday(&tv, 0); |
465 |
|
return((double)tv.tv_sec*1.0e3 + (double)tv.tv_usec*1.0e-3); |
466 |
|
#else |
467 |
|
clock_t clk; |
468 |
|
clk = clock(); |
469 |
|
return(clk * 1000 / CLOCKS_PER_SEC); |
470 |
|
#endif |
471 |
} |
} |
|
dectime += msecond(); |
|
|
divx_ptr += m4v_size; |
|
472 |
|
|
473 |
totalsize += m4v_size; |
/***************************************************************************** |
474 |
|
* output functions |
475 |
|
****************************************************************************/ |
476 |
|
|
477 |
|
static int write_image(char *prefix, unsigned char *image) |
478 |
|
{ |
479 |
|
char filename[1024]; |
480 |
|
char *ext; |
481 |
|
int ret; |
482 |
|
|
483 |
|
if (FORMAT == USE_PNM && BPP == 1) { |
484 |
|
ext = "pgm"; |
485 |
|
} else if (FORMAT == USE_PNM && BPP == 3) { |
486 |
|
ext = "pnm"; |
487 |
|
} else if (FORMAT == USE_TGA) { |
488 |
|
ext = "tga"; |
489 |
|
} else { |
490 |
|
fprintf(stderr, "Bug: should not reach this path code -- please report to xvid-devel@xvid.org with command line options used"); |
491 |
|
exit(-1); |
492 |
|
} |
493 |
|
|
494 |
|
sprintf(filename, "%s.%s", prefix, ext); |
495 |
|
|
496 |
|
if (FORMAT == USE_PNM) { |
497 |
|
ret = write_pnm(filename, image); |
498 |
|
} else { |
499 |
|
ret = write_tga(filename, image); |
500 |
|
} |
501 |
|
|
502 |
|
return(ret); |
503 |
|
} |
504 |
|
|
505 |
|
static int write_tga(char *filename, unsigned char *image) |
506 |
|
{ |
507 |
|
FILE * f; |
508 |
|
char hdr[18]; |
509 |
|
|
510 |
|
f = fopen(filename, "wb"); |
511 |
|
if ( f == NULL) { |
512 |
|
return -1; |
513 |
|
} |
514 |
|
|
515 |
|
hdr[0] = 0; /* ID length */ |
516 |
|
hdr[1] = 0; /* Color map type */ |
517 |
|
hdr[2] = (BPP>1)?2:3; /* Uncompressed true color (2) or greymap (3) */ |
518 |
|
hdr[3] = 0; /* Color map specification (not used) */ |
519 |
|
hdr[4] = 0; /* Color map specification (not used) */ |
520 |
|
hdr[5] = 0; /* Color map specification (not used) */ |
521 |
|
hdr[6] = 0; /* Color map specification (not used) */ |
522 |
|
hdr[7] = 0; /* Color map specification (not used) */ |
523 |
|
hdr[8] = 0; /* LSB X origin */ |
524 |
|
hdr[9] = 0; /* MSB X origin */ |
525 |
|
hdr[10] = 0; /* LSB Y origin */ |
526 |
|
hdr[11] = 0; /* MSB Y origin */ |
527 |
|
hdr[12] = (XDIM>>0)&0xff; /* LSB Width */ |
528 |
|
hdr[13] = (XDIM>>8)&0xff; /* MSB Width */ |
529 |
|
if (BPP > 1) { |
530 |
|
hdr[14] = (YDIM>>0)&0xff; /* LSB Height */ |
531 |
|
hdr[15] = (YDIM>>8)&0xff; /* MSB Height */ |
532 |
|
} else { |
533 |
|
hdr[14] = ((YDIM*3)>>1)&0xff; /* LSB Height */ |
534 |
|
hdr[15] = ((YDIM*3)>>9)&0xff; /* MSB Height */ |
535 |
|
} |
536 |
|
hdr[16] = BPP*8; |
537 |
|
hdr[17] = 0x00 | (1<<5) /* Up to down */ | (0<<4); /* Image descriptor */ |
538 |
|
|
539 |
|
/* Write header */ |
540 |
|
fwrite(hdr, 1, sizeof(hdr), f); |
541 |
|
|
542 |
|
#ifdef ARCH_IS_LITTLE_ENDIAN |
543 |
|
/* write first plane */ |
544 |
|
fwrite(image, 1, XDIM*YDIM*BPP, f); |
545 |
|
#else |
546 |
|
{ |
547 |
|
int i; |
548 |
|
for (i=0; i<width*height*BPP;i+=BPP) { |
549 |
|
if (BPP == 1) { |
550 |
|
fputc(image+i, f); |
551 |
|
} else if (BPP == 2) { |
552 |
|
fputc(image+i+1, f); |
553 |
|
fputc(image+i+0, f); |
554 |
|
} else if (BPP == 3) { |
555 |
|
fputc(image+i+2, f); |
556 |
|
fputc(image+i+1, f); |
557 |
|
fputc(image+i+0, f); |
558 |
|
} else if (BPP == 4) { |
559 |
|
fputc(image+i+3, f); |
560 |
|
fputc(image+i+2, f); |
561 |
|
fputc(image+i+1, f); |
562 |
|
fputc(image+i+0, f); |
563 |
|
} |
564 |
|
} |
565 |
|
} |
566 |
|
#endif |
567 |
|
|
568 |
printf("Frame %5d: dectime =%6.1f ms length=%7d bytes \n", |
/* Write Y and V planes for YUV formats */ |
569 |
filenr, dectime*1000, m4v_size); |
if (BPP == 1) { |
570 |
|
int i; |
571 |
|
|
572 |
if (save_m4v_flag) |
/* Write the two chrominance planes */ |
573 |
{ |
for (i=0; i<YDIM/2; i++) { |
574 |
sprintf(filename, "%sframe%05d.m4v", filepath, filenr); |
fwrite(image+XDIM*YDIM + i*XDIM/2, 1, XDIM/2, f); |
575 |
filehandle = fopen(filename, "wb"); |
fwrite(image+5*XDIM*YDIM/4 + i*XDIM/2, 1, XDIM/2, f); |
576 |
fwrite(divx_buffer, m4v_size, 1, filehandle); |
} |
|
fclose(filehandle); |
|
577 |
} |
} |
|
totaldectime += dectime; |
|
578 |
|
|
579 |
|
|
580 |
/*********************************************************************/ |
/* Close the file */ |
581 |
/* analyse the decoded frame and compare to original */ |
fclose(f); |
582 |
/*********************************************************************/ |
|
583 |
|
return(0); |
584 |
|
} |
585 |
|
|
586 |
if (save_dec_flag) |
static int write_pnm(char *filename, unsigned char *image) |
587 |
{ |
{ |
588 |
sprintf(filename, "%sdec%05d.pgm", filepath, filenr); |
FILE * f; |
589 |
write_pgm(filename,out_buffer); |
|
590 |
|
f = fopen(filename, "wb"); |
591 |
|
if ( f == NULL) { |
592 |
|
return -1; |
593 |
} |
} |
594 |
|
|
595 |
filenr++; |
if (BPP == 1) { |
596 |
|
int i; |
597 |
|
fprintf(f, "P5\n#xvid\n%i %i\n255\n", XDIM, YDIM*3/2); |
598 |
|
|
599 |
} while ( (status>=0) && (filenr<ABS_MAXFRAMENR) ); |
fwrite(image, 1, XDIM*YDIM, f); |
600 |
|
|
601 |
|
for (i=0; i<YDIM/2;i++) { |
602 |
|
fwrite(image+XDIM*YDIM + i*XDIM/2, 1, XDIM/2, f); |
603 |
|
fwrite(image+5*XDIM*YDIM/4 + i*XDIM/2, 1, XDIM/2, f); |
604 |
|
} |
605 |
|
} else if (BPP == 3) { |
606 |
|
int i; |
607 |
|
fprintf(f, "P6\n#xvid\n%i %i\n255\n", XDIM, YDIM); |
608 |
|
for (i=0; i<XDIM*YDIM*3; i+=3) { |
609 |
|
#ifdef ARCH_IS_LITTLE_ENDIAN |
610 |
|
fputc(image[i+2], f); |
611 |
|
fputc(image[i+1], f); |
612 |
|
fputc(image[i+0], f); |
613 |
|
#else |
614 |
|
fputc(image[i+0], f); |
615 |
|
fputc(image[i+1], f); |
616 |
|
fputc(image[i+2], f); |
617 |
|
#endif |
618 |
|
} |
619 |
|
} |
620 |
|
|
621 |
|
fclose(f); |
622 |
|
|
623 |
/*********************************************************************/ |
return 0; |
624 |
/* calculate totals and averages for output, print results */ |
} |
|
/*********************************************************************/ |
|
625 |
|
|
626 |
totalsize /= filenr; |
/***************************************************************************** |
627 |
totaldectime /= filenr; |
* Routines for decoding: init decoder, use, and stop decoder |
628 |
|
****************************************************************************/ |
629 |
|
|
630 |
fprintf(stderr,"Avg: dectime %5.2f ms, %5.2f fps, filesize =%d\n", |
/* init decoder before first run */ |
631 |
1000*totaldectime, 1./totaldectime, totalsize); |
static int |
632 |
|
dec_init(int use_assembler, int debug_level) |
633 |
|
{ |
634 |
|
int ret; |
635 |
|
|
636 |
/*********************************************************************/ |
xvid_gbl_init_t xvid_gbl_init; |
637 |
/* XviD PART Stop */ |
xvid_dec_create_t xvid_dec_create; |
|
/*********************************************************************/ |
|
638 |
|
|
639 |
release_all: |
/*------------------------------------------------------------------------ |
640 |
|
* XviD core initialization |
641 |
|
*----------------------------------------------------------------------*/ |
642 |
|
|
643 |
|
/* Version */ |
644 |
|
xvid_gbl_init.version = XVID_VERSION; |
645 |
|
|
646 |
|
/* Assembly setting */ |
647 |
|
if(use_assembler) |
648 |
|
#ifdef ARCH_IS_IA64 |
649 |
|
xvid_gbl_init.cpu_flags = XVID_CPU_FORCE | XVID_CPU_IA64; |
650 |
|
#else |
651 |
|
xvid_gbl_init.cpu_flags = 0; |
652 |
|
#endif |
653 |
|
else |
654 |
|
xvid_gbl_init.cpu_flags = XVID_CPU_FORCE; |
655 |
|
|
656 |
|
xvid_gbl_init.debug = debug_level; |
657 |
|
|
658 |
|
xvid_global(NULL, 0, &xvid_gbl_init, NULL); |
659 |
|
|
660 |
|
/*------------------------------------------------------------------------ |
661 |
|
* XviD encoder initialization |
662 |
|
*----------------------------------------------------------------------*/ |
663 |
|
|
664 |
|
/* Version */ |
665 |
|
xvid_dec_create.version = XVID_VERSION; |
666 |
|
|
667 |
if (dec_handle) |
/* |
668 |
|
* Image dimensions -- set to 0, xvidcore will resize when ever it is |
669 |
|
* needed |
670 |
|
*/ |
671 |
|
xvid_dec_create.width = 0; |
672 |
|
xvid_dec_create.height = 0; |
673 |
|
|
674 |
|
ret = xvid_decore(NULL, XVID_DEC_CREATE, &xvid_dec_create, NULL); |
675 |
|
|
676 |
|
dec_handle = xvid_dec_create.handle; |
677 |
|
|
678 |
|
return(ret); |
679 |
|
} |
680 |
|
|
681 |
|
/* decode one frame */ |
682 |
|
static int |
683 |
|
dec_main(unsigned char *istream, |
684 |
|
unsigned char *ostream, |
685 |
|
int istream_size, |
686 |
|
xvid_dec_stats_t *xvid_dec_stats) |
687 |
{ |
{ |
688 |
status = dec_stop(); |
|
689 |
if (status) |
int ret; |
690 |
printf("Decore RELEASE problem return value %d\n", status); |
|
691 |
|
xvid_dec_frame_t xvid_dec_frame; |
692 |
|
|
693 |
|
/* Set version */ |
694 |
|
xvid_dec_frame.version = XVID_VERSION; |
695 |
|
xvid_dec_stats->version = XVID_VERSION; |
696 |
|
|
697 |
|
/* No general flags to set */ |
698 |
|
xvid_dec_frame.general = 0; |
699 |
|
|
700 |
|
/* Input stream */ |
701 |
|
xvid_dec_frame.bitstream = istream; |
702 |
|
xvid_dec_frame.length = istream_size; |
703 |
|
|
704 |
|
/* Output frame structure */ |
705 |
|
xvid_dec_frame.output.plane[0] = ostream; |
706 |
|
xvid_dec_frame.output.stride[0] = XDIM*BPP; |
707 |
|
xvid_dec_frame.output.csp = CSP; |
708 |
|
|
709 |
|
ret = xvid_decore(dec_handle, XVID_DEC_DECODE, &xvid_dec_frame, xvid_dec_stats); |
710 |
|
|
711 |
|
return(ret); |
712 |
} |
} |
713 |
|
|
714 |
free_all_memory: |
/* close decoder to release resources */ |
715 |
free(out_buffer); |
static int |
716 |
free(divx_buffer); |
dec_stop() |
717 |
|
{ |
718 |
|
int ret; |
719 |
|
|
720 |
return 0; |
ret = xvid_decore(dec_handle, XVID_DEC_DESTROY, NULL, NULL); |
721 |
|
|
722 |
|
return(ret); |
723 |
} |
} |