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1 : | edgomez | 547 | /***************************************************************************** |
2 : | chl | 376 | * |
3 : | edgomez | 547 | * XVID MPEG-4 VIDEO CODEC |
4 : | * - Console based decoding test application - | ||
5 : | chl | 376 | * |
6 : | edgomez | 851 | * Copyright(C) 2002-2003 Christoph Lampert |
7 : | edgomez | 1382 | * 2002-2003 Edouard Gomez <ed.gomez@free.fr> |
8 : | chl | 376 | * |
9 : | edgomez | 547 | * 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 | ||
11 : | * the Free Software Foundation; either version 2 of the License, or | ||
12 : | * (at your option) any later version. | ||
13 : | chl | 376 | * |
14 : | edgomez | 547 | * This program is distributed in the hope that it will be useful, |
15 : | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 : | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
17 : | * GNU General Public License for more details. | ||
18 : | chl | 376 | * |
19 : | edgomez | 547 | * You should have received a copy of the GNU General Public License |
20 : | * along with this program; if not, write to the Free Software | ||
21 : | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
22 : | * | ||
23 : | edgomez | 1414 | * $Id: xvid_decraw.c,v 1.10.2.1 2004-04-07 22:02:56 edgomez Exp $ |
24 : | edgomez | 547 | * |
25 : | ****************************************************************************/ | ||
26 : | chl | 376 | |
27 : | edgomez | 547 | /***************************************************************************** |
28 : | chl | 376 | * |
29 : | edgomez | 547 | * Application notes : |
30 : | chl | 376 | * |
31 : | edgomez | 547 | * An MPEG-4 bitstream is read from an input file (or stdin) and decoded, |
32 : | * the speed for this is measured. | ||
33 : | edgomez | 1382 | * |
34 : | * The program is plain C and needs no libraries except for libxvidcore, | ||
35 : | * and maths-lib. | ||
36 : | chl | 376 | * |
37 : | edgomez | 1382 | * Use ./xvid_decraw -help for a list of options |
38 : | chl | 376 | * |
39 : | edgomez | 547 | ****************************************************************************/ |
40 : | chl | 376 | |
41 : | #include <stdio.h> | ||
42 : | #include <stdlib.h> | ||
43 : | edgomez | 547 | #include <string.h> |
44 : | #include <math.h> | ||
45 : | edgomez | 824 | #ifndef WIN32 |
46 : | edgomez | 547 | #include <sys/time.h> |
47 : | #else | ||
48 : | #include <time.h> | ||
49 : | #endif | ||
50 : | chl | 376 | |
51 : | edgomez | 547 | #include "xvid.h" |
52 : | chl | 376 | |
53 : | edgomez | 547 | /***************************************************************************** |
54 : | * Global vars in module and constants | ||
55 : | ****************************************************************************/ | ||
56 : | chl | 376 | |
57 : | edgomez | 547 | /* max number of frames */ |
58 : | #define ABS_MAXFRAMENR 9999 | ||
59 : | chl | 376 | |
60 : | edgomez | 547 | static int XDIM = 0; |
61 : | static int YDIM = 0; | ||
62 : | static int ARG_SAVEDECOUTPUT = 0; | ||
63 : | static int ARG_SAVEMPEGSTREAM = 0; | ||
64 : | static char *ARG_INPUTFILE = NULL; | ||
65 : | edgomez | 1414 | static int CSP = XVID_CSP_I420; |
66 : | static int BPP = 1; | ||
67 : | chl | 376 | |
68 : | edgomez | 547 | static char filepath[256] = "./"; |
69 : | static void *dec_handle = NULL; | ||
70 : | chl | 376 | |
71 : | edgomez | 1382 | #define BUFFER_SIZE (2*1024*1024) |
72 : | chl | 376 | |
73 : | edgomez | 547 | /***************************************************************************** |
74 : | * Local prototypes | ||
75 : | ****************************************************************************/ | ||
76 : | chl | 376 | |
77 : | edgomez | 547 | static double msecond(); |
78 : | static int write_pgm(char *filename, | ||
79 : | edgomez | 1382 | unsigned char *image); |
80 : | edgomez | 547 | static int dec_init(int use_assembler); |
81 : | static int dec_main(unsigned char *istream, | ||
82 : | edgomez | 851 | unsigned char *ostream, |
83 : | int istream_size, | ||
84 : | edgomez | 1382 | xvid_dec_stats_t *xvid_dec_stats); |
85 : | edgomez | 547 | static int dec_stop(); |
86 : | static void usage(); | ||
87 : | |||
88 : | edgomez | 1382 | |
89 : | const char * type2str(int type) | ||
90 : | { | ||
91 : | if (type==XVID_TYPE_IVOP) | ||
92 : | return "I"; | ||
93 : | if (type==XVID_TYPE_PVOP) | ||
94 : | return "P"; | ||
95 : | if (type==XVID_TYPE_BVOP) | ||
96 : | return "B"; | ||
97 : | return "S"; | ||
98 : | } | ||
99 : | |||
100 : | edgomez | 547 | /***************************************************************************** |
101 : | * Main program | ||
102 : | ****************************************************************************/ | ||
103 : | |||
104 : | int main(int argc, char *argv[]) | ||
105 : | chl | 376 | { |
106 : | edgomez | 547 | unsigned char *mp4_buffer = NULL; |
107 : | unsigned char *mp4_ptr = NULL; | ||
108 : | unsigned char *out_buffer = NULL; | ||
109 : | edgomez | 1382 | int useful_bytes; |
110 : | xvid_dec_stats_t xvid_dec_stats; | ||
111 : | edgomez | 851 | |
112 : | edgomez | 547 | double totaldectime; |
113 : | |||
114 : | long totalsize; | ||
115 : | int status; | ||
116 : | |||
117 : | int use_assembler = 0; | ||
118 : | |||
119 : | char filename[256]; | ||
120 : | |||
121 : | FILE *in_file; | ||
122 : | int filenr; | ||
123 : | int i; | ||
124 : | |||
125 : | printf("xvid_decraw - raw mpeg4 bitstream decoder "); | ||
126 : | edgomez | 851 | printf("written by Christoph Lampert 2002-2003\n\n"); |
127 : | edgomez | 547 | |
128 : | /***************************************************************************** | ||
129 : | * Command line parsing | ||
130 : | ****************************************************************************/ | ||
131 : | |||
132 : | for (i=1; i< argc; i++) { | ||
133 : | |||
134 : | if (strcmp("-asm", argv[i]) == 0 ) { | ||
135 : | use_assembler = 1; | ||
136 : | edgomez | 1382 | } else if (strcmp("-d", argv[i]) == 0) { |
137 : | ARG_SAVEDECOUTPUT = 1; | ||
138 : | } else if (strcmp("-i", argv[i]) == 0 && i < argc - 1 ) { | ||
139 : | edgomez | 547 | i++; |
140 : | ARG_INPUTFILE = argv[i]; | ||
141 : | edgomez | 1382 | } else if (strcmp("-m", argv[i]) == 0) { |
142 : | ARG_SAVEMPEGSTREAM = 1; | ||
143 : | edgomez | 1414 | } else if (strcmp("-c", argv[i]) == 0 && i < argc - 1 ) { |
144 : | i++; | ||
145 : | if (strcmp(argv[i], "rgb16") == 0) { | ||
146 : | CSP = XVID_CSP_RGB555; | ||
147 : | BPP = 2; | ||
148 : | } else if (strcmp(argv[i], "rgb24") == 0) { | ||
149 : | CSP = XVID_CSP_BGR; | ||
150 : | BPP = 3; | ||
151 : | } else if (strcmp(argv[i], "rgb32") == 0) { | ||
152 : | CSP = XVID_CSP_BGRA; | ||
153 : | BPP = 4; | ||
154 : | } else if (strcmp(argv[i], "yv12") == 0) { | ||
155 : | CSP = XVID_CSP_YV12; | ||
156 : | BPP = 1; | ||
157 : | } else { | ||
158 : | CSP = XVID_CSP_I420; | ||
159 : | BPP = 1; | ||
160 : | } | ||
161 : | edgomez | 1382 | } else if (strcmp("-help", argv[i]) == 0) { |
162 : | edgomez | 547 | usage(); |
163 : | return(0); | ||
164 : | edgomez | 1382 | } else { |
165 : | edgomez | 547 | usage(); |
166 : | exit(-1); | ||
167 : | } | ||
168 : | chl | 376 | } |
169 : | edgomez | 547 | |
170 : | /***************************************************************************** | ||
171 : | * Values checking | ||
172 : | ****************************************************************************/ | ||
173 : | |||
174 : | if ( ARG_INPUTFILE == NULL || strcmp(ARG_INPUTFILE, "stdin") == 0) { | ||
175 : | in_file = stdin; | ||
176 : | } | ||
177 : | else { | ||
178 : | |||
179 : | in_file = fopen(ARG_INPUTFILE, "rb"); | ||
180 : | if (in_file == NULL) { | ||
181 : | fprintf(stderr, "Error opening input file %s\n", ARG_INPUTFILE); | ||
182 : | edgomez | 1382 | return(-1); |
183 : | edgomez | 547 | } |
184 : | } | ||
185 : | |||
186 : | /***************************************************************************** | ||
187 : | * Memory allocation | ||
188 : | ****************************************************************************/ | ||
189 : | |||
190 : | /* Memory for encoded mp4 stream */ | ||
191 : | mp4_buffer = (unsigned char *) malloc(BUFFER_SIZE); | ||
192 : | mp4_ptr = mp4_buffer; | ||
193 : | if (!mp4_buffer) | ||
194 : | goto free_all_memory; | ||
195 : | |||
196 : | /***************************************************************************** | ||
197 : | * XviD PART Start | ||
198 : | ****************************************************************************/ | ||
199 : | |||
200 : | status = dec_init(use_assembler); | ||
201 : | if (status) { | ||
202 : | fprintf(stderr, | ||
203 : | edgomez | 1382 | "Decore INIT problem, return value %d\n", status); |
204 : | edgomez | 547 | goto release_all; |
205 : | } | ||
206 : | |||
207 : | |||
208 : | /***************************************************************************** | ||
209 : | * Main loop | ||
210 : | ****************************************************************************/ | ||
211 : | |||
212 : | edgomez | 851 | /* Fill the buffer */ |
213 : | edgomez | 1382 | useful_bytes = fread(mp4_buffer, 1, BUFFER_SIZE, in_file); |
214 : | edgomez | 559 | |
215 : | edgomez | 547 | totaldectime = 0; |
216 : | totalsize = 0; | ||
217 : | filenr = 0; | ||
218 : | mp4_ptr = mp4_buffer; | ||
219 : | |||
220 : | do { | ||
221 : | int used_bytes = 0; | ||
222 : | double dectime; | ||
223 : | |||
224 : | edgomez | 851 | /* |
225 : | * If the buffer is half empty or there are no more bytes in it | ||
226 : | * then fill it. | ||
227 : | */ | ||
228 : | edgomez | 1382 | if (mp4_ptr > mp4_buffer + BUFFER_SIZE/2) { |
229 : | int already_in_buffer = (mp4_buffer + BUFFER_SIZE - mp4_ptr); | ||
230 : | edgomez | 547 | |
231 : | edgomez | 851 | /* Move data if needed */ |
232 : | edgomez | 1382 | if (already_in_buffer > 0) |
233 : | memcpy(mp4_buffer, mp4_ptr, already_in_buffer); | ||
234 : | edgomez | 547 | |
235 : | edgomez | 851 | /* Update mp4_ptr */ |
236 : | mp4_ptr = mp4_buffer; | ||
237 : | edgomez | 547 | |
238 : | edgomez | 851 | /* read new data */ |
239 : | edgomez | 1382 | if(feof(in_file)) |
240 : | edgomez | 547 | break; |
241 : | |||
242 : | edgomez | 1382 | useful_bytes += fread(mp4_buffer + already_in_buffer, |
243 : | 1, BUFFER_SIZE - already_in_buffer, | ||
244 : | in_file); | ||
245 : | edgomez | 547 | |
246 : | } | ||
247 : | |||
248 : | |||
249 : | edgomez | 1382 | /* This loop is needed to handle VOL/NVOP reading */ |
250 : | edgomez | 851 | do { |
251 : | edgomez | 547 | |
252 : | edgomez | 851 | /* Decode frame */ |
253 : | dectime = msecond(); | ||
254 : | edgomez | 1382 | used_bytes = dec_main(mp4_ptr, out_buffer, useful_bytes, &xvid_dec_stats); |
255 : | edgomez | 851 | dectime = msecond() - dectime; |
256 : | edgomez | 547 | |
257 : | edgomez | 1382 | /* Resize image buffer if needed */ |
258 : | if(xvid_dec_stats.type == XVID_TYPE_VOL) { | ||
259 : | |||
260 : | /* Check if old buffer is smaller */ | ||
261 : | if(XDIM*YDIM < xvid_dec_stats.data.vol.width*xvid_dec_stats.data.vol.height) { | ||
262 : | |||
263 : | /* Copy new witdh and new height from the vol structure */ | ||
264 : | XDIM = xvid_dec_stats.data.vol.width; | ||
265 : | YDIM = xvid_dec_stats.data.vol.height; | ||
266 : | |||
267 : | /* Free old output buffer*/ | ||
268 : | if(out_buffer) free(out_buffer); | ||
269 : | |||
270 : | /* Allocate the new buffer */ | ||
271 : | out_buffer = (unsigned char*)malloc(XDIM*YDIM*4); | ||
272 : | if(out_buffer == NULL) | ||
273 : | goto free_all_memory; | ||
274 : | |||
275 : | fprintf(stderr, "Resized frame buffer to %dx%d\n", XDIM, YDIM); | ||
276 : | } | ||
277 : | edgomez | 851 | } |
278 : | edgomez | 547 | |
279 : | edgomez | 851 | /* Update buffer pointers */ |
280 : | edgomez | 1382 | if(used_bytes > 0) { |
281 : | mp4_ptr += used_bytes; | ||
282 : | useful_bytes -= used_bytes; | ||
283 : | edgomez | 559 | |
284 : | edgomez | 1382 | /* Total size */ |
285 : | totalsize += used_bytes; | ||
286 : | } | ||
287 : | edgomez | 547 | |
288 : | edgomez | 1382 | }while(xvid_dec_stats.type <= 0 && useful_bytes > 0); |
289 : | edgomez | 547 | |
290 : | edgomez | 1382 | /* Check if there is a negative number of useful bytes left in buffer |
291 : | * This means we went too far */ | ||
292 : | if(useful_bytes < 0) | ||
293 : | break; | ||
294 : | edgomez | 851 | |
295 : | edgomez | 1382 | /* Updated data - Count only usefull decode time */ |
296 : | edgomez | 851 | totaldectime += dectime; |
297 : | edgomez | 547 | |
298 : | edgomez | 851 | |
299 : | edgomez | 1382 | printf("Frame %5d: type = %s, dectime(ms) =%6.1f, length(bytes) =%7d\n", |
300 : | filenr, type2str(xvid_dec_stats.type), dectime, used_bytes); | ||
301 : | |||
302 : | edgomez | 851 | /* Save individual mpeg4 stream if required */ |
303 : | edgomez | 1382 | if(ARG_SAVEMPEGSTREAM) { |
304 : | edgomez | 547 | FILE *filehandle = NULL; |
305 : | |||
306 : | sprintf(filename, "%sframe%05d.m4v", filepath, filenr); | ||
307 : | filehandle = fopen(filename, "wb"); | ||
308 : | if(!filehandle) { | ||
309 : | fprintf(stderr, | ||
310 : | edgomez | 851 | "Error writing single mpeg4 stream to file %s\n", |
311 : | filename); | ||
312 : | edgomez | 547 | } |
313 : | else { | ||
314 : | edgomez | 1382 | fwrite(mp4_ptr-used_bytes, 1, used_bytes, filehandle); |
315 : | edgomez | 547 | fclose(filehandle); |
316 : | } | ||
317 : | } | ||
318 : | edgomez | 851 | |
319 : | edgomez | 547 | /* Save output frame if required */ |
320 : | if (ARG_SAVEDECOUTPUT) { | ||
321 : | edgomez | 1414 | sprintf(filename, "%sdec%05d.tga", filepath, filenr); |
322 : | if(write_tga(filename,out_buffer)) { | ||
323 : | edgomez | 547 | fprintf(stderr, |
324 : | edgomez | 851 | "Error writing decoded PGM frame %s\n", |
325 : | filename); | ||
326 : | edgomez | 547 | } |
327 : | } | ||
328 : | |||
329 : | filenr++; | ||
330 : | |||
331 : | edgomez | 851 | } while ( (status>=0) && (filenr<ABS_MAXFRAMENR)); |
332 : | edgomez | 547 | |
333 : | /***************************************************************************** | ||
334 : | edgomez | 851 | * Flush decoder buffers |
335 : | ****************************************************************************/ | ||
336 : | |||
337 : | edgomez | 1382 | do { |
338 : | |||
339 : | edgomez | 851 | /* Fake vars */ |
340 : | edgomez | 1382 | int used_bytes; |
341 : | edgomez | 851 | double dectime; |
342 : | |||
343 : | edgomez | 1382 | do { |
344 : | dectime = msecond(); | ||
345 : | used_bytes = dec_main(NULL, out_buffer, -1, &xvid_dec_stats); | ||
346 : | dectime = msecond() - dectime; | ||
347 : | }while(used_bytes>=0 && xvid_dec_stats.type <= 0); | ||
348 : | edgomez | 851 | |
349 : | edgomez | 1382 | if (used_bytes < 0) { /* XVID_ERR_END */ |
350 : | break; | ||
351 : | } | ||
352 : | edgomez | 851 | |
353 : | /* Updated data - Count only usefull decode time */ | ||
354 : | totaldectime += dectime; | ||
355 : | |||
356 : | /* Prints some decoding stats */ | ||
357 : | edgomez | 1382 | printf("Frame %5d: type = %s, dectime(ms) =%6.1f, length(bytes) =%7d\n", |
358 : | filenr, type2str(xvid_dec_stats.type), dectime, used_bytes); | ||
359 : | edgomez | 851 | |
360 : | /* Save output frame if required */ | ||
361 : | if (ARG_SAVEDECOUTPUT) { | ||
362 : | edgomez | 1414 | sprintf(filename, "%sdec%05d.tga", filepath, filenr); |
363 : | if(write_tga(filename, out_buffer)) { | ||
364 : | edgomez | 851 | fprintf(stderr, |
365 : | "Error writing decoded PGM frame %s\n", | ||
366 : | filename); | ||
367 : | } | ||
368 : | } | ||
369 : | |||
370 : | filenr++; | ||
371 : | |||
372 : | edgomez | 1382 | }while(1); |
373 : | edgomez | 851 | |
374 : | /***************************************************************************** | ||
375 : | edgomez | 547 | * Calculate totals and averages for output, print results |
376 : | ****************************************************************************/ | ||
377 : | |||
378 : | totalsize /= filenr; | ||
379 : | totaldectime /= filenr; | ||
380 : | |||
381 : | edgomez | 851 | printf("Avg: dectime(ms) =%7.2f, fps =%7.2f, length(bytes) =%7d\n", |
382 : | edgomez | 1382 | totaldectime, 1000/totaldectime, (int)totalsize); |
383 : | edgomez | 547 | |
384 : | /***************************************************************************** | ||
385 : | * XviD PART Stop | ||
386 : | edgomez | 559 | ****************************************************************************/ |
387 : | edgomez | 547 | |
388 : | release_all: | ||
389 : | if (dec_handle) { | ||
390 : | status = dec_stop(); | ||
391 : | if (status) | ||
392 : | fprintf(stderr, "decore RELEASE problem return value %d\n", status); | ||
393 : | } | ||
394 : | |||
395 : | free_all_memory: | ||
396 : | free(out_buffer); | ||
397 : | free(mp4_buffer); | ||
398 : | |||
399 : | edgomez | 1382 | return(0); |
400 : | chl | 376 | } |
401 : | |||
402 : | edgomez | 547 | /***************************************************************************** |
403 : | * Usage function | ||
404 : | ****************************************************************************/ | ||
405 : | chl | 376 | |
406 : | edgomez | 547 | static void usage() |
407 : | chl | 376 | { |
408 : | edgomez | 547 | |
409 : | edgomez | 1382 | fprintf(stderr, "Usage : xvid_decraw [OPTIONS]\n"); |
410 : | edgomez | 547 | fprintf(stderr, "Options :\n"); |
411 : | fprintf(stderr, " -asm : use assembly optimizations (default=disabled)\n"); | ||
412 : | fprintf(stderr, " -i string : input filename (default=stdin)\n"); | ||
413 : | edgomez | 1382 | fprintf(stderr, " -d : save decoder output\n"); |
414 : | edgomez | 1414 | fprintf(stderr, " -c csp : choose colorspace output (csp can be one of rgb16, rgb24, rgb32, yv12, i420)\n"); |
415 : | edgomez | 1382 | fprintf(stderr, " -m : save mpeg4 raw stream to individual files\n"); |
416 : | edgomez | 547 | fprintf(stderr, " -help : This help message\n"); |
417 : | fprintf(stderr, " (* means default)\n"); | ||
418 : | |||
419 : | } | ||
420 : | |||
421 : | /***************************************************************************** | ||
422 : | * "helper" functions | ||
423 : | ****************************************************************************/ | ||
424 : | |||
425 : | /* return the current time in milli seconds */ | ||
426 : | static double | ||
427 : | msecond() | ||
428 : | { | ||
429 : | edgomez | 824 | #ifndef WIN32 |
430 : | edgomez | 547 | struct timeval tv; |
431 : | gettimeofday(&tv, 0); | ||
432 : | edgomez | 1382 | return((double)tv.tv_sec*1.0e3 + (double)tv.tv_usec*1.0e-3); |
433 : | edgomez | 547 | #else |
434 : | clock_t clk; | ||
435 : | clk = clock(); | ||
436 : | edgomez | 1382 | return(clk * 1000 / CLOCKS_PER_SEC); |
437 : | edgomez | 547 | #endif |
438 : | } | ||
439 : | |||
440 : | /***************************************************************************** | ||
441 : | * output functions | ||
442 : | ****************************************************************************/ | ||
443 : | |||
444 : | edgomez | 1414 | int write_tga(char *filename, unsigned char *image) |
445 : | edgomez | 547 | { |
446 : | edgomez | 1414 | FILE * f; |
447 : | char hdr[18]; | ||
448 : | edgomez | 547 | |
449 : | edgomez | 1414 | f = fopen(filename, "wb"); |
450 : | if ( f == NULL) { | ||
451 : | return -1; | ||
452 : | } | ||
453 : | edgomez | 547 | |
454 : | edgomez | 1414 | hdr[0] = 0; /* ID length */ |
455 : | hdr[1] = 0; /* Color map type */ | ||
456 : | hdr[2] = (BPP>1)?2:3; /* Uncompressed true color (2) or greymap (3) */ | ||
457 : | hdr[3] = 0; /* Color map specification (not used) */ | ||
458 : | hdr[4] = 0; /* Color map specification (not used) */ | ||
459 : | hdr[5] = 0; /* Color map specification (not used) */ | ||
460 : | hdr[6] = 0; /* Color map specification (not used) */ | ||
461 : | hdr[7] = 0; /* Color map specification (not used) */ | ||
462 : | hdr[8] = 0; /* LSB X origin */ | ||
463 : | hdr[9] = 0; /* MSB X origin */ | ||
464 : | hdr[10] = 0; /* LSB Y origin */ | ||
465 : | hdr[11] = 0; /* MSB Y origin */ | ||
466 : | hdr[12] = (XDIM>>0)&0xff; /* LSB Width */ | ||
467 : | hdr[13] = (XDIM>>8)&0xff; /* MSB Width */ | ||
468 : | if (BPP > 1) { | ||
469 : | hdr[14] = (YDIM>>0)&0xff; /* LSB Height */ | ||
470 : | hdr[15] = (YDIM>>8)&0xff; /* MSB Height */ | ||
471 : | } else { | ||
472 : | hdr[14] = ((YDIM*3)>>1)&0xff; /* LSB Height */ | ||
473 : | hdr[15] = ((YDIM*3)>>9)&0xff; /* MSB Height */ | ||
474 : | } | ||
475 : | hdr[16] = BPP*8; | ||
476 : | hdr[17] = 0x00 | (1<<5) /* Up to down */ | (0<<4); /* Image descriptor */ | ||
477 : | |||
478 : | /* Write header */ | ||
479 : | fwrite(hdr, 1, sizeof(hdr), f); | ||
480 : | chl | 376 | |
481 : | edgomez | 1414 | #ifdef ARCH_IS_LITTLE_ENDIAN |
482 : | /* write first plane */ | ||
483 : | fwrite(image, 1, XDIM*YDIM*BPP, f); | ||
484 : | #else | ||
485 : | { | ||
486 : | int i; | ||
487 : | for (i=0; i<width*height*BPP;i+=BPP) { | ||
488 : | if (BPP == 1) { | ||
489 : | fputc(image+i, f); | ||
490 : | } else if (BPP == 2) { | ||
491 : | fputc(image+i+1, f); | ||
492 : | fputc(image+i+0, f); | ||
493 : | } else if (BPP == 3) { | ||
494 : | fputc(image+i+2, f); | ||
495 : | fputc(image+i+1, f); | ||
496 : | fputc(image+i+0, f); | ||
497 : | } else if (BPP == 4) { | ||
498 : | fputc(image+i+3, f); | ||
499 : | fputc(image+i+2, f); | ||
500 : | fputc(image+i+1, f); | ||
501 : | fputc(image+i+0, f); | ||
502 : | } | ||
503 : | } | ||
504 : | } | ||
505 : | #endif | ||
506 : | edgomez | 547 | |
507 : | edgomez | 1414 | /* Write Y and V planes for YUV formats */ |
508 : | if (BPP == 1) { | ||
509 : | int i; | ||
510 : | edgomez | 547 | |
511 : | edgomez | 1414 | /* Write the two chrominance planes */ |
512 : | for (i=0; i<YDIM/2; i++) { | ||
513 : | fwrite(image+XDIM*YDIM+XDIM/2*i, 1, XDIM/2, f); | ||
514 : | fwrite(image+5*XDIM*YDIM/4 + XDIM/2*i, 1, XDIM/2, f); | ||
515 : | } | ||
516 : | } | ||
517 : | edgomez | 547 | |
518 : | |||
519 : | edgomez | 1414 | /* Close the file */ |
520 : | fclose(f); | ||
521 : | edgomez | 547 | |
522 : | edgomez | 1414 | return(0); |
523 : | chl | 376 | } |
524 : | |||
525 : | edgomez | 547 | /***************************************************************************** |
526 : | * Routines for decoding: init decoder, use, and stop decoder | ||
527 : | ****************************************************************************/ | ||
528 : | chl | 376 | |
529 : | edgomez | 547 | /* init decoder before first run */ |
530 : | static int | ||
531 : | dec_init(int use_assembler) | ||
532 : | chl | 376 | { |
533 : | edgomez | 1382 | int ret; |
534 : | chl | 376 | |
535 : | edgomez | 1382 | xvid_gbl_init_t xvid_gbl_init; |
536 : | xvid_dec_create_t xvid_dec_create; | ||
537 : | chl | 376 | |
538 : | edgomez | 1382 | /*------------------------------------------------------------------------ |
539 : | * XviD core initialization | ||
540 : | *----------------------------------------------------------------------*/ | ||
541 : | |||
542 : | /* Version */ | ||
543 : | xvid_gbl_init.version = XVID_VERSION; | ||
544 : | |||
545 : | /* Assembly setting */ | ||
546 : | if(use_assembler) | ||
547 : | suxen_drol | 860 | #ifdef ARCH_IS_IA64 |
548 : | edgomez | 1382 | xvid_gbl_init.cpu_flags = XVID_CPU_FORCE | XVID_CPU_IA64; |
549 : | chl | 376 | #else |
550 : | edgomez | 1382 | xvid_gbl_init.cpu_flags = 0; |
551 : | chl | 376 | #endif |
552 : | edgomez | 1382 | else |
553 : | xvid_gbl_init.cpu_flags = XVID_CPU_FORCE; | ||
554 : | chl | 376 | |
555 : | edgomez | 1382 | xvid_global(NULL, 0, &xvid_gbl_init, NULL); |
556 : | chl | 376 | |
557 : | edgomez | 1382 | /*------------------------------------------------------------------------ |
558 : | * XviD encoder initialization | ||
559 : | *----------------------------------------------------------------------*/ | ||
560 : | edgomez | 851 | |
561 : | edgomez | 1382 | /* Version */ |
562 : | xvid_dec_create.version = XVID_VERSION; | ||
563 : | chl | 376 | |
564 : | edgomez | 1382 | /* |
565 : | * Image dimensions -- set to 0, xvidcore will resize when ever it is | ||
566 : | * needed | ||
567 : | */ | ||
568 : | xvid_dec_create.width = 0; | ||
569 : | xvid_dec_create.height = 0; | ||
570 : | |||
571 : | ret = xvid_decore(NULL, XVID_DEC_CREATE, &xvid_dec_create, NULL); | ||
572 : | |||
573 : | dec_handle = xvid_dec_create.handle; | ||
574 : | |||
575 : | return(ret); | ||
576 : | chl | 376 | } |
577 : | |||
578 : | edgomez | 547 | /* decode one frame */ |
579 : | static int | ||
580 : | dec_main(unsigned char *istream, | ||
581 : | edgomez | 851 | unsigned char *ostream, |
582 : | int istream_size, | ||
583 : | edgomez | 1382 | xvid_dec_stats_t *xvid_dec_stats) |
584 : | edgomez | 547 | { |
585 : | chl | 376 | |
586 : | edgomez | 1382 | int ret; |
587 : | chl | 376 | |
588 : | edgomez | 1382 | xvid_dec_frame_t xvid_dec_frame; |
589 : | chl | 376 | |
590 : | edgomez | 1382 | /* Set version */ |
591 : | xvid_dec_frame.version = XVID_VERSION; | ||
592 : | xvid_dec_stats->version = XVID_VERSION; | ||
593 : | chl | 376 | |
594 : | edgomez | 1382 | /* No general flags to set */ |
595 : | xvid_dec_frame.general = 0; | ||
596 : | chl | 376 | |
597 : | edgomez | 1382 | /* Input stream */ |
598 : | xvid_dec_frame.bitstream = istream; | ||
599 : | xvid_dec_frame.length = istream_size; | ||
600 : | edgomez | 851 | |
601 : | edgomez | 1382 | /* Output frame structure */ |
602 : | xvid_dec_frame.output.plane[0] = ostream; | ||
603 : | edgomez | 1414 | xvid_dec_frame.output.stride[0] = XDIM*BPP; |
604 : | xvid_dec_frame.output.csp = CSP; | ||
605 : | edgomez | 1382 | |
606 : | ret = xvid_decore(dec_handle, XVID_DEC_DECODE, &xvid_dec_frame, xvid_dec_stats); | ||
607 : | |||
608 : | return(ret); | ||
609 : | chl | 376 | } |
610 : | |||
611 : | edgomez | 547 | /* close decoder to release resources */ |
612 : | static int | ||
613 : | dec_stop() | ||
614 : | chl | 376 | { |
615 : | edgomez | 1382 | int ret; |
616 : | edgomez | 547 | |
617 : | edgomez | 1382 | ret = xvid_decore(dec_handle, XVID_DEC_DESTROY, NULL, NULL); |
618 : | chl | 376 | |
619 : | edgomez | 1382 | return(ret); |
620 : | chl | 376 | } |
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