4 |
* - Console based decoding test application - |
* - Console based decoding test application - |
5 |
* |
* |
6 |
* Copyright(C) 2002-2003 Christoph Lampert |
* Copyright(C) 2002-2003 Christoph Lampert |
7 |
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* 2002-2003 Edouard Gomez <ed.gomez@free.fr> |
8 |
* |
* |
9 |
* 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 |
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. |
36 |
* |
* |
37 |
* gcc xvid_decraw.c -lxvidcore -lm -o xvid_decraw |
* Use ./xvid_decraw -help for a list of options |
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* |
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* You have to specify the image dimensions (until the add the feature |
|
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* to read this from the bitstream) |
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* |
|
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* Usage : xvid_decraw <-w width> <-h height> [OPTIONS] |
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* Options : |
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* -asm : use assembly optimizations (default=disabled) |
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* -w integer : frame width ([1.2048]) |
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* -h integer : frame height ([1.2048]) |
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* -i string : input filename (default=stdin) |
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* -t integer : input data type (raw=0, mp4u=1) |
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* -d boolean : save decoder output (0 False*, !=0 True) |
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* -m boolean : save mpeg4 raw stream to single files (0 False*, !=0 True) |
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* -help : This help message |
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* (* means default) |
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38 |
* |
* |
39 |
****************************************************************************/ |
****************************************************************************/ |
40 |
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|
57 |
/* max number of frames */ |
/* max number of frames */ |
58 |
#define ABS_MAXFRAMENR 9999 |
#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 |
static int XDIM = 0; |
static int XDIM = 0; |
64 |
static int YDIM = 0; |
static int YDIM = 0; |
65 |
static int ARG_SAVEDECOUTPUT = 0; |
static int ARG_SAVEDECOUTPUT = 0; |
66 |
static int ARG_SAVEMPEGSTREAM = 0; |
static int ARG_SAVEMPEGSTREAM = 0; |
67 |
static char *ARG_INPUTFILE = NULL; |
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 |
static char filepath[256] = "./"; |
static char filepath[256] = "./"; |
73 |
static void *dec_handle = NULL; |
static void *dec_handle = NULL; |
74 |
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|
75 |
# define BUFFER_SIZE 10*XDIM*YDIM |
#define BUFFER_SIZE (2*1024*1024) |
76 |
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|
77 |
/***************************************************************************** |
/***************************************************************************** |
78 |
* Local prototypes |
* Local prototypes |
85 |
static int dec_main(unsigned char *istream, |
static int dec_main(unsigned char *istream, |
86 |
unsigned char *ostream, |
unsigned char *ostream, |
87 |
int istream_size, |
int istream_size, |
88 |
int *ostream_size, |
xvid_dec_stats_t *xvid_dec_stats); |
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int *isframe); |
|
89 |
static int dec_stop(); |
static int dec_stop(); |
90 |
static void usage(); |
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 |
/***************************************************************************** |
/***************************************************************************** |
107 |
* Main program |
* Main program |
112 |
unsigned char *mp4_buffer = NULL; |
unsigned char *mp4_buffer = NULL; |
113 |
unsigned char *mp4_ptr = NULL; |
unsigned char *mp4_ptr = NULL; |
114 |
unsigned char *out_buffer = NULL; |
unsigned char *out_buffer = NULL; |
115 |
int bigendian = 0; |
int useful_bytes; |
116 |
int still_left_in_buffer; |
xvid_dec_stats_t xvid_dec_stats; |
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int delayed_frames; |
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117 |
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118 |
double totaldectime; |
double totaldectime; |
119 |
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139 |
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140 |
if (strcmp("-asm", argv[i]) == 0 ) { |
if (strcmp("-asm", argv[i]) == 0 ) { |
141 |
use_assembler = 1; |
use_assembler = 1; |
142 |
} |
} else if (strcmp("-d", argv[i]) == 0) { |
143 |
else if (strcmp("-w", argv[i]) == 0 && i < argc - 1 ) { |
ARG_SAVEDECOUTPUT = 1; |
144 |
i++; |
} else if (strcmp("-i", argv[i]) == 0 && i < argc - 1 ) { |
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XDIM = atoi(argv[i]); |
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} |
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else if (strcmp("-h", argv[i]) == 0 && i < argc - 1 ) { |
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i++; |
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YDIM = atoi(argv[i]); |
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} |
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else if (strcmp("-d", argv[i]) == 0 && i < argc - 1 ) { |
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i++; |
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ARG_SAVEDECOUTPUT = atoi(argv[i]); |
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} |
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else if (strcmp("-i", argv[i]) == 0 && i < argc - 1 ) { |
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145 |
i++; |
i++; |
146 |
ARG_INPUTFILE = argv[i]; |
ARG_INPUTFILE = argv[i]; |
147 |
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} else if (strcmp("-m", argv[i]) == 0) { |
148 |
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ARG_SAVEMPEGSTREAM = 1; |
149 |
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} else if (strcmp("-c", argv[i]) == 0 && i < argc - 1 ) { |
150 |
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i++; |
151 |
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if (strcmp(argv[i], "rgb16") == 0) { |
152 |
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CSP = XVID_CSP_RGB555; |
153 |
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BPP = 2; |
154 |
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} else if (strcmp(argv[i], "rgb24") == 0) { |
155 |
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CSP = XVID_CSP_BGR; |
156 |
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BPP = 3; |
157 |
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} else if (strcmp(argv[i], "rgb32") == 0) { |
158 |
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CSP = XVID_CSP_BGRA; |
159 |
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BPP = 4; |
160 |
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} else if (strcmp(argv[i], "yv12") == 0) { |
161 |
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CSP = XVID_CSP_YV12; |
162 |
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BPP = 1; |
163 |
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} else { |
164 |
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CSP = XVID_CSP_I420; |
165 |
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BPP = 1; |
166 |
} |
} |
167 |
else if (strcmp("-m", argv[i]) == 0 && i < argc - 1 ) { |
} else if (strcmp("-f", argv[i]) == 0 && i < argc -1) { |
168 |
i++; |
i++; |
169 |
ARG_SAVEMPEGSTREAM = atoi(argv[i]); |
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 |
} |
} |
174 |
else if (strcmp("-help", argv[i])) { |
} else if (strcmp("-help", argv[i]) == 0) { |
175 |
usage(); |
usage(); |
176 |
return(0); |
return(0); |
177 |
} |
} else { |
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else { |
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178 |
usage(); |
usage(); |
179 |
exit(-1); |
exit(-1); |
180 |
} |
} |
181 |
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} |
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 |
} |
} |
187 |
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#endif |
188 |
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189 |
/***************************************************************************** |
/***************************************************************************** |
190 |
* Values checking |
* Values checking |
191 |
****************************************************************************/ |
****************************************************************************/ |
192 |
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if(XDIM <= 0 || XDIM > 2048 || YDIM <= 0 || YDIM > 2048) { |
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usage(); |
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return -1; |
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} |
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193 |
if ( ARG_INPUTFILE == NULL || strcmp(ARG_INPUTFILE, "stdin") == 0) { |
if ( ARG_INPUTFILE == NULL || strcmp(ARG_INPUTFILE, "stdin") == 0) { |
194 |
in_file = stdin; |
in_file = stdin; |
195 |
} |
} |
198 |
in_file = fopen(ARG_INPUTFILE, "rb"); |
in_file = fopen(ARG_INPUTFILE, "rb"); |
199 |
if (in_file == NULL) { |
if (in_file == NULL) { |
200 |
fprintf(stderr, "Error opening input file %s\n", ARG_INPUTFILE); |
fprintf(stderr, "Error opening input file %s\n", ARG_INPUTFILE); |
201 |
return -1; |
return(-1); |
202 |
} |
} |
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 |
/***************************************************************************** |
/***************************************************************************** |
211 |
* Memory allocation |
* Memory allocation |
212 |
****************************************************************************/ |
****************************************************************************/ |
217 |
if (!mp4_buffer) |
if (!mp4_buffer) |
218 |
goto free_all_memory; |
goto free_all_memory; |
219 |
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/* Memory for frame output */ |
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out_buffer = (unsigned char *) malloc(XDIM*YDIM*4); |
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if (!out_buffer) |
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goto free_all_memory; |
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220 |
/***************************************************************************** |
/***************************************************************************** |
221 |
* XviD PART Start |
* XviD PART Start |
222 |
****************************************************************************/ |
****************************************************************************/ |
234 |
****************************************************************************/ |
****************************************************************************/ |
235 |
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|
236 |
/* Fill the buffer */ |
/* Fill the buffer */ |
237 |
still_left_in_buffer = fread(mp4_buffer, 1, BUFFER_SIZE, in_file); |
useful_bytes = fread(mp4_buffer, 1, BUFFER_SIZE, in_file); |
238 |
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239 |
totaldectime = 0; |
totaldectime = 0; |
240 |
totalsize = 0; |
totalsize = 0; |
241 |
filenr = 0; |
filenr = 0; |
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delayed_frames = 0; |
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242 |
mp4_ptr = mp4_buffer; |
mp4_ptr = mp4_buffer; |
243 |
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244 |
do { |
do { |
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int mp4_size = (mp4_buffer + BUFFER_SIZE - mp4_ptr); |
|
245 |
int used_bytes = 0; |
int used_bytes = 0; |
246 |
double dectime; |
double dectime; |
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int notification; |
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247 |
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248 |
/* |
/* |
249 |
* If the buffer is half empty or there are no more bytes in it |
* If the buffer is half empty or there are no more bytes in it |
250 |
* then fill it. |
* then fill it. |
251 |
*/ |
*/ |
252 |
if (mp4_ptr > mp4_buffer + BUFFER_SIZE/2 || |
if (mp4_ptr > mp4_buffer + BUFFER_SIZE/2) { |
253 |
still_left_in_buffer <= 0) { |
int already_in_buffer = (mp4_buffer + BUFFER_SIZE - mp4_ptr); |
|
int rest = (mp4_buffer + BUFFER_SIZE - mp4_ptr); |
|
254 |
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|
255 |
/* Move data if needed */ |
/* Move data if needed */ |
256 |
if (rest) |
if (already_in_buffer > 0) |
257 |
memcpy(mp4_buffer, mp4_ptr, rest); |
memcpy(mp4_buffer, mp4_ptr, already_in_buffer); |
258 |
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|
259 |
/* Update mp4_ptr */ |
/* Update mp4_ptr */ |
260 |
mp4_ptr = mp4_buffer; |
mp4_ptr = mp4_buffer; |
263 |
if(feof(in_file)) |
if(feof(in_file)) |
264 |
break; |
break; |
265 |
|
|
266 |
still_left_in_buffer = fread(mp4_buffer + rest, |
useful_bytes += fread(mp4_buffer + already_in_buffer, |
267 |
1, |
1, BUFFER_SIZE - already_in_buffer, |
|
BUFFER_SIZE - rest, |
|
268 |
in_file); |
in_file); |
269 |
|
|
270 |
} |
} |
271 |
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|
272 |
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|
273 |
/* This loop flushes N_VOPS (with vop_coded bit set to 0) */ |
/* This loop is needed to handle VOL/NVOP reading */ |
274 |
do { |
do { |
275 |
|
|
276 |
/* Decode frame */ |
/* Decode frame */ |
277 |
dectime = msecond(); |
dectime = msecond(); |
278 |
status = dec_main(mp4_ptr, out_buffer, mp4_size, &used_bytes, ¬ification); |
used_bytes = dec_main(mp4_ptr, out_buffer, useful_bytes, &xvid_dec_stats); |
279 |
dectime = msecond() - dectime; |
dectime = msecond() - dectime; |
280 |
|
|
281 |
if (status) { |
/* Resize image buffer if needed */ |
282 |
break; |
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 |
|
fprintf(stderr, "Resized frame buffer to %dx%d\n", XDIM, YDIM); |
300 |
|
} |
301 |
} |
} |
302 |
|
|
303 |
/* Update buffer pointers */ |
/* Update buffer pointers */ |
304 |
|
if(used_bytes > 0) { |
305 |
mp4_ptr += used_bytes; |
mp4_ptr += used_bytes; |
306 |
still_left_in_buffer -= used_bytes; |
useful_bytes -= used_bytes; |
307 |
|
|
308 |
/* Total size */ |
/* Total size */ |
309 |
totalsize += used_bytes; |
totalsize += used_bytes; |
310 |
|
} |
311 |
|
|
312 |
}while(used_bytes <= 7 && still_left_in_buffer > 0); /* <= 7 bytes is a NVOPS */ |
}while(xvid_dec_stats.type <= 0 && useful_bytes > 0); |
|
|
|
|
/* Negative buffer would mean we went too far */ |
|
|
if(still_left_in_buffer < 0) break; |
|
313 |
|
|
314 |
/* Skip when decoder is buffering images or decoding VOL information */ |
/* Check if there is a negative number of useful bytes left in buffer |
315 |
if(notification != XVID_DEC_VOP) { |
* This means we went too far */ |
316 |
/* It's a delay only if it notifies NOTHING */ |
if(useful_bytes < 0) |
317 |
if(notification == XVID_DEC_NOTHING) |
break; |
|
delayed_frames++; |
|
|
continue; |
|
|
} |
|
318 |
|
|
319 |
/* Updated data - Count only usefull decode time */ |
/* Updated data - Count only usefull decode time */ |
320 |
totaldectime += dectime; |
totaldectime += dectime; |
321 |
|
|
322 |
/* Prints some decoding stats */ |
|
323 |
printf("Frame %5d: dectime(ms) =%6.1f, length(bytes) =%7d\n", |
printf("Frame %5d: type = %s, dectime(ms) =%6.1f, length(bytes) =%7d\n", |
324 |
filenr, dectime, used_bytes); |
filenr, type2str(xvid_dec_stats.type), dectime, used_bytes); |
325 |
|
|
326 |
/* Save individual mpeg4 stream if required */ |
/* Save individual mpeg4 stream if required */ |
327 |
if (ARG_SAVEMPEGSTREAM) { |
if (ARG_SAVEMPEGSTREAM) { |
335 |
filename); |
filename); |
336 |
} |
} |
337 |
else { |
else { |
338 |
fwrite(mp4_buffer, 1, used_bytes, filehandle); |
fwrite(mp4_ptr-used_bytes, 1, used_bytes, filehandle); |
339 |
fclose(filehandle); |
fclose(filehandle); |
340 |
} |
} |
341 |
} |
} |
342 |
|
|
343 |
/* Save output frame if required */ |
/* Save output frame if required */ |
344 |
if (ARG_SAVEDECOUTPUT) { |
if (ARG_SAVEDECOUTPUT) { |
345 |
sprintf(filename, "%sdec%05d.pgm", filepath, filenr); |
sprintf(filename, "%sdec%05d", filepath, filenr); |
346 |
if(write_pgm(filename,out_buffer)) { |
if(write_image(filename, out_buffer)) { |
347 |
fprintf(stderr, |
fprintf(stderr, |
348 |
"Error writing decoded PGM frame %s\n", |
"Error writing decoded PGM frame %s\n", |
349 |
filename); |
filename); |
357 |
/***************************************************************************** |
/***************************************************************************** |
358 |
* Flush decoder buffers |
* Flush decoder buffers |
359 |
****************************************************************************/ |
****************************************************************************/ |
360 |
while(delayed_frames--) { |
|
361 |
|
do { |
362 |
|
|
363 |
/* Fake vars */ |
/* Fake vars */ |
364 |
int used_bytes, isframe; |
int used_bytes; |
365 |
double dectime; |
double dectime; |
366 |
|
|
367 |
/* Decode frame */ |
do { |
368 |
dectime = msecond(); |
dectime = msecond(); |
369 |
status = dec_main(NULL, out_buffer, -1, &used_bytes, &isframe); |
used_bytes = dec_main(NULL, out_buffer, -1, &xvid_dec_stats); |
370 |
dectime = msecond() - dectime; |
dectime = msecond() - dectime; |
371 |
|
}while(used_bytes>=0 && xvid_dec_stats.type <= 0); |
372 |
|
|
373 |
if (status) { |
if (used_bytes < 0) { /* XVID_ERR_END */ |
374 |
break; |
break; |
375 |
} |
} |
376 |
|
|
378 |
totaldectime += dectime; |
totaldectime += dectime; |
379 |
|
|
380 |
/* Prints some decoding stats */ |
/* Prints some decoding stats */ |
381 |
printf("Frame %5d: dectime(ms) =%6.1f, length(bytes) =%7d\n", |
printf("Frame %5d: type = %s, dectime(ms) =%6.1f, length(bytes) =%7d\n", |
382 |
filenr, dectime, used_bytes); |
filenr, type2str(xvid_dec_stats.type), dectime, used_bytes); |
383 |
|
|
384 |
/* Save output frame if required */ |
/* Save output frame if required */ |
385 |
if (ARG_SAVEDECOUTPUT) { |
if (ARG_SAVEDECOUTPUT) { |
386 |
sprintf(filename, "%sdec%05d.pgm", filepath, filenr); |
sprintf(filename, "%sdec%05d", filepath, filenr); |
387 |
if(write_pgm(filename,out_buffer)) { |
if(write_image(filename, out_buffer)) { |
388 |
fprintf(stderr, |
fprintf(stderr, |
389 |
"Error writing decoded PGM frame %s\n", |
"Error writing decoded frame %s\n", |
390 |
filename); |
filename); |
391 |
} |
} |
392 |
} |
} |
393 |
|
|
394 |
filenr++; |
filenr++; |
395 |
|
|
396 |
} |
}while(1); |
397 |
|
|
398 |
/***************************************************************************** |
/***************************************************************************** |
399 |
* Calculate totals and averages for output, print results |
* Calculate totals and averages for output, print results |
400 |
****************************************************************************/ |
****************************************************************************/ |
401 |
|
|
402 |
|
if (filenr>0) { |
403 |
totalsize /= filenr; |
totalsize /= filenr; |
404 |
totaldectime /= filenr; |
totaldectime /= filenr; |
|
|
|
405 |
printf("Avg: dectime(ms) =%7.2f, fps =%7.2f, length(bytes) =%7d\n", |
printf("Avg: dectime(ms) =%7.2f, fps =%7.2f, length(bytes) =%7d\n", |
406 |
totaldectime, 1000/totaldectime, (int)totalsize); |
totaldectime, 1000/totaldectime, (int)totalsize); |
407 |
|
}else{ |
408 |
|
printf("Nothing was decoded!\n"); |
409 |
|
} |
410 |
|
|
411 |
/***************************************************************************** |
/***************************************************************************** |
412 |
* XviD PART Stop |
* XviD PART Stop |
423 |
free(out_buffer); |
free(out_buffer); |
424 |
free(mp4_buffer); |
free(mp4_buffer); |
425 |
|
|
426 |
return 0; |
return(0); |
427 |
} |
} |
428 |
|
|
429 |
/***************************************************************************** |
/***************************************************************************** |
433 |
static void usage() |
static void usage() |
434 |
{ |
{ |
435 |
|
|
436 |
fprintf(stderr, "Usage : xvid_decraw <-w width> <-h height> [OPTIONS]\n"); |
fprintf(stderr, "Usage : xvid_decraw [OPTIONS]\n"); |
437 |
fprintf(stderr, "Options :\n"); |
fprintf(stderr, "Options :\n"); |
438 |
fprintf(stderr, " -asm : use assembly optimizations (default=disabled)\n"); |
fprintf(stderr, " -asm : use assembly optimizations (default=disabled)\n"); |
|
fprintf(stderr, " -w integer : frame width ([1.2048])\n"); |
|
|
fprintf(stderr, " -h integer : frame height ([1.2048])\n"); |
|
439 |
fprintf(stderr, " -i string : input filename (default=stdin)\n"); |
fprintf(stderr, " -i string : input filename (default=stdin)\n"); |
440 |
fprintf(stderr, " -t integer : input data type (raw=0, mp4u=1)\n"); |
fprintf(stderr, " -d : save decoder output\n"); |
441 |
fprintf(stderr, " -d boolean : save decoder output (0 False*, !=0 True)\n"); |
fprintf(stderr, " -c csp : choose colorspace output (rgb16, rgb24, rgb32, yv12, i420)\n"); |
442 |
fprintf(stderr, " -m boolean : save mpeg4 raw stream to individual files (0 False*, !=0 True)\n"); |
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"); |
fprintf(stderr, " -help : This help message\n"); |
445 |
fprintf(stderr, " (* means default)\n"); |
fprintf(stderr, " (* means default)\n"); |
446 |
|
|
457 |
#ifndef WIN32 |
#ifndef WIN32 |
458 |
struct timeval tv; |
struct timeval tv; |
459 |
gettimeofday(&tv, 0); |
gettimeofday(&tv, 0); |
460 |
return (double)tv.tv_sec*1.0e3 + (double)tv.tv_usec*1.0e-3; |
return((double)tv.tv_sec*1.0e3 + (double)tv.tv_usec*1.0e-3); |
461 |
#else |
#else |
462 |
clock_t clk; |
clock_t clk; |
463 |
clk = clock(); |
clk = clock(); |
464 |
return clk * 1000 / CLOCKS_PER_SEC; |
return(clk * 1000 / CLOCKS_PER_SEC); |
465 |
#endif |
#endif |
466 |
} |
} |
467 |
|
|
469 |
* output functions |
* output functions |
470 |
****************************************************************************/ |
****************************************************************************/ |
471 |
|
|
472 |
static int |
int write_image(char *prefix, unsigned char *image) |
|
write_pgm(char *filename, |
|
|
unsigned char *image) |
|
473 |
{ |
{ |
474 |
int loop; |
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 |
unsigned char *y = image; |
sprintf(filename, "%s.%s", prefix, ext); |
|
unsigned char *u = image + XDIM*YDIM; |
|
|
unsigned char *v = image + XDIM*YDIM + XDIM/2*YDIM/2; |
|
|
|
|
|
FILE *filehandle; |
|
|
filehandle=fopen(filename,"w+b"); |
|
|
if (filehandle) { |
|
490 |
|
|
491 |
/* Write header */ |
if (FORMAT == USE_PNM) { |
492 |
fprintf(filehandle,"P5\n\n%d %d 255\n", XDIM,YDIM*3/2); |
ret = write_pnm(filename, image); |
493 |
|
} else { |
494 |
|
ret = write_tga(filename, image); |
495 |
|
} |
496 |
|
|
497 |
/* Write Y data */ |
return(ret); |
498 |
fwrite(y, 1, XDIM*YDIM, filehandle); |
} |
499 |
|
|
500 |
for(loop=0; loop<YDIM/2; loop++) |
int write_tga(char *filename, unsigned char *image) |
501 |
{ |
{ |
502 |
/* Write U scanline */ |
FILE * f; |
503 |
fwrite(u, 1, XDIM/2, filehandle); |
char hdr[18]; |
504 |
|
|
505 |
/* Write V scanline */ |
f = fopen(filename, "wb"); |
506 |
fwrite(v, 1, XDIM/2, filehandle); |
if ( f == NULL) { |
507 |
|
return -1; |
508 |
|
} |
509 |
|
|
510 |
/* Update pointers */ |
hdr[0] = 0; /* ID length */ |
511 |
u += XDIM/2; |
hdr[1] = 0; /* Color map type */ |
512 |
v += XDIM/2; |
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 |
/* Close file */ |
/* Write Y and V planes for YUV formats */ |
564 |
fclose(filehandle); |
if (BPP == 1) { |
565 |
|
int i; |
566 |
|
|
567 |
return 0; |
/* Write the two chrominance planes */ |
568 |
|
for (i=0; i<YDIM/2; i++) { |
569 |
|
fwrite(image+XDIM*YDIM + i*XDIM/2, 1, XDIM/2, f); |
570 |
|
fwrite(image+5*XDIM*YDIM/4 + i*XDIM/2, 1, XDIM/2, f); |
571 |
} |
} |
|
else |
|
|
return 1; |
|
572 |
} |
} |
573 |
|
|
574 |
|
|
575 |
|
/* Close the file */ |
576 |
|
fclose(f); |
577 |
|
|
578 |
|
return(0); |
579 |
|
} |
580 |
|
|
581 |
|
int write_pnm(char *filename, unsigned char *image) |
582 |
|
{ |
583 |
|
FILE * f; |
584 |
|
|
585 |
|
f = fopen(filename, "wb"); |
586 |
|
if ( f == NULL) { |
587 |
|
return -1; |
588 |
|
} |
589 |
|
|
590 |
|
if (BPP == 1) { |
591 |
|
int i; |
592 |
|
fprintf(f, "P5\n#xvid\n%i %i\n255\n", XDIM, YDIM*3/2); |
593 |
|
|
594 |
|
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); |
617 |
|
|
618 |
|
return 0; |
619 |
|
} |
620 |
/***************************************************************************** |
/***************************************************************************** |
621 |
* Routines for decoding: init decoder, use, and stop decoder |
* Routines for decoding: init decoder, use, and stop decoder |
622 |
****************************************************************************/ |
****************************************************************************/ |
625 |
static int |
static int |
626 |
dec_init(int use_assembler) |
dec_init(int use_assembler) |
627 |
{ |
{ |
628 |
int xerr; |
int ret; |
629 |
|
|
630 |
XVID_INIT_PARAM xinit; |
xvid_gbl_init_t xvid_gbl_init; |
631 |
XVID_DEC_PARAM xparam; |
xvid_dec_create_t xvid_dec_create; |
632 |
|
|
633 |
|
/*------------------------------------------------------------------------ |
634 |
|
* XviD core initialization |
635 |
|
*----------------------------------------------------------------------*/ |
636 |
|
|
637 |
|
/* Version */ |
638 |
|
xvid_gbl_init.version = XVID_VERSION; |
639 |
|
|
640 |
|
/* Assembly setting */ |
641 |
if(use_assembler) |
if(use_assembler) |
642 |
#ifdef ARCH_IA64 |
#ifdef ARCH_IS_IA64 |
643 |
xinit.cpu_flags = XVID_CPU_FORCE | XVID_CPU_IA64; |
xvid_gbl_init.cpu_flags = XVID_CPU_FORCE | XVID_CPU_IA64; |
644 |
#else |
#else |
645 |
xinit.cpu_flags = 0; |
xvid_gbl_init.cpu_flags = 0; |
646 |
#endif |
#endif |
647 |
else |
else |
648 |
xinit.cpu_flags = XVID_CPU_FORCE; |
xvid_gbl_init.cpu_flags = XVID_CPU_FORCE; |
649 |
|
|
650 |
xvid_init(NULL, 0, &xinit, NULL); |
xvid_global(NULL, 0, &xvid_gbl_init, NULL); |
|
xparam.width = XDIM; |
|
|
xparam.height = YDIM; |
|
651 |
|
|
652 |
xerr = xvid_decore(NULL, XVID_DEC_CREATE, &xparam, NULL); |
/*------------------------------------------------------------------------ |
653 |
|
* XviD encoder initialization |
654 |
|
*----------------------------------------------------------------------*/ |
655 |
|
|
656 |
dec_handle = xparam.handle; |
/* Version */ |
657 |
|
xvid_dec_create.version = XVID_VERSION; |
658 |
|
|
659 |
return xerr; |
/* |
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 */ |
/* decode one frame */ |
675 |
dec_main(unsigned char *istream, |
dec_main(unsigned char *istream, |
676 |
unsigned char *ostream, |
unsigned char *ostream, |
677 |
int istream_size, |
int istream_size, |
678 |
int *ostream_size, |
xvid_dec_stats_t *xvid_dec_stats) |
|
int *notification) |
|
679 |
{ |
{ |
680 |
|
|
681 |
int xerr; |
int ret; |
682 |
XVID_DEC_FRAME xframe; |
|
683 |
XVID_DEC_STATS xstats; |
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 |
xframe.general = 0; |
/* No general flags to set */ |
690 |
xframe.bitstream = istream; |
xvid_dec_frame.general = 0; |
|
xframe.length = istream_size; |
|
|
xframe.image = ostream; |
|
|
xframe.stride = XDIM; |
|
|
xframe.colorspace = XVID_CSP_YV12; |
|
691 |
|
|
692 |
xerr = xvid_decore(dec_handle, XVID_DEC_DECODE, &xframe, &xstats); |
/* Input stream */ |
693 |
|
xvid_dec_frame.bitstream = istream; |
694 |
|
xvid_dec_frame.length = istream_size; |
695 |
|
|
696 |
*ostream_size = xframe.length; |
/* 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 |
*notification = xstats.notify; |
ret = xvid_decore(dec_handle, XVID_DEC_DECODE, &xvid_dec_frame, xvid_dec_stats); |
702 |
|
|
703 |
return xerr; |
return(ret); |
704 |
} |
} |
705 |
|
|
706 |
/* close decoder to release resources */ |
/* close decoder to release resources */ |
707 |
static int |
static int |
708 |
dec_stop() |
dec_stop() |
709 |
{ |
{ |
710 |
int xerr; |
int ret; |
711 |
|
|
712 |
xerr = xvid_decore(dec_handle, XVID_DEC_DESTROY, NULL, NULL); |
ret = xvid_decore(dec_handle, XVID_DEC_DESTROY, NULL, NULL); |
713 |
|
|
714 |
return xerr; |
return(ret); |
715 |
} |
} |