20 |
* along with this program; if not, write to the Free Software |
* along with this program; if not, write to the Free Software |
21 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
22 |
* |
* |
23 |
* $Id: xvid_decraw.c,v 1.11 2004-04-10 04:25:31 suxen_drol Exp $ |
* $Id: xvid_decraw.c,v 1.26 2010-01-08 10:03:09 Isibaar Exp $ |
24 |
* |
* |
25 |
****************************************************************************/ |
****************************************************************************/ |
26 |
|
|
54 |
* Global vars in module and constants |
* Global vars in module and constants |
55 |
****************************************************************************/ |
****************************************************************************/ |
56 |
|
|
57 |
/* max number of frames */ |
#define USE_PNM 0 |
58 |
#define ABS_MAXFRAMENR 9999 |
#define USE_TGA 1 |
59 |
|
#define USE_YUV 2 |
60 |
|
|
61 |
static int XDIM = 0; |
static int XDIM = 0; |
62 |
static int YDIM = 0; |
static int YDIM = 0; |
63 |
static int ARG_SAVEDECOUTPUT = 0; |
static int ARG_SAVEDECOUTPUT = 0; |
64 |
static int ARG_SAVEMPEGSTREAM = 0; |
static int ARG_SAVEMPEGSTREAM = 0; |
65 |
static char *ARG_INPUTFILE = NULL; |
static char *ARG_INPUTFILE = NULL; |
66 |
|
static int CSP = XVID_CSP_I420; |
67 |
|
static int BPP = 1; |
68 |
|
static int FORMAT = USE_PNM; |
69 |
|
|
70 |
static char filepath[256] = "./"; |
static char filepath[256] = "./"; |
71 |
static void *dec_handle = NULL; |
static void *dec_handle = NULL; |
72 |
|
|
73 |
#define BUFFER_SIZE (2*1024*1024) |
#define BUFFER_SIZE (2*1024*1024) |
74 |
|
|
75 |
|
static const int display_buffer_bytes = 0; |
76 |
|
|
77 |
|
#define MIN_USEFUL_BYTES 1 |
78 |
|
|
79 |
/***************************************************************************** |
/***************************************************************************** |
80 |
* Local prototypes |
* Local prototypes |
81 |
****************************************************************************/ |
****************************************************************************/ |
82 |
|
|
83 |
static double msecond(); |
static double msecond(); |
|
static int write_pgm(char *filename, |
|
|
unsigned char *image); |
|
84 |
static int dec_init(int use_assembler, int debug_level); |
static int dec_init(int use_assembler, int debug_level); |
85 |
static int dec_main(unsigned char *istream, |
static int dec_main(unsigned char *istream, |
86 |
unsigned char *ostream, |
unsigned char *ostream, |
88 |
xvid_dec_stats_t *xvid_dec_stats); |
xvid_dec_stats_t *xvid_dec_stats); |
89 |
static int dec_stop(); |
static int dec_stop(); |
90 |
static void usage(); |
static void usage(); |
91 |
|
static int write_image(char *prefix, unsigned char *image, int filenr); |
92 |
|
static int write_pnm(char *filename, unsigned char *image); |
93 |
|
static int write_tga(char *filename, unsigned char *image); |
94 |
|
static int write_yuv(char *filename, unsigned char *image); |
95 |
|
|
96 |
const char * type2str(int type) |
const char * type2str(int type) |
97 |
{ |
{ |
114 |
unsigned char *mp4_ptr = NULL; |
unsigned char *mp4_ptr = NULL; |
115 |
unsigned char *out_buffer = NULL; |
unsigned char *out_buffer = NULL; |
116 |
int useful_bytes; |
int useful_bytes; |
117 |
|
int chunk; |
118 |
xvid_dec_stats_t xvid_dec_stats; |
xvid_dec_stats_t xvid_dec_stats; |
119 |
|
|
120 |
double totaldectime; |
double totaldectime; |
154 |
ARG_INPUTFILE = argv[i]; |
ARG_INPUTFILE = argv[i]; |
155 |
} else if (strcmp("-m", argv[i]) == 0) { |
} else if (strcmp("-m", argv[i]) == 0) { |
156 |
ARG_SAVEMPEGSTREAM = 1; |
ARG_SAVEMPEGSTREAM = 1; |
157 |
|
} else if (strcmp("-c", argv[i]) == 0 && i < argc - 1 ) { |
158 |
|
i++; |
159 |
|
if (strcmp(argv[i], "rgb16") == 0) { |
160 |
|
CSP = XVID_CSP_RGB555; |
161 |
|
BPP = 2; |
162 |
|
} else if (strcmp(argv[i], "rgb24") == 0) { |
163 |
|
CSP = XVID_CSP_BGR; |
164 |
|
BPP = 3; |
165 |
|
} else if (strcmp(argv[i], "rgb32") == 0) { |
166 |
|
CSP = XVID_CSP_BGRA; |
167 |
|
BPP = 4; |
168 |
|
} else if (strcmp(argv[i], "yv12") == 0) { |
169 |
|
CSP = XVID_CSP_YV12; |
170 |
|
BPP = 1; |
171 |
|
} else { |
172 |
|
CSP = XVID_CSP_I420; |
173 |
|
BPP = 1; |
174 |
|
} |
175 |
|
} else if (strcmp("-f", argv[i]) == 0 && i < argc -1) { |
176 |
|
i++; |
177 |
|
if (strcmp(argv[i], "tga") == 0) { |
178 |
|
FORMAT = USE_TGA; |
179 |
|
} else if (strcmp(argv[i], "yuv") == 0) { |
180 |
|
FORMAT = USE_YUV; |
181 |
|
} else { |
182 |
|
FORMAT = USE_PNM; |
183 |
|
} |
184 |
} else if (strcmp("-help", argv[i]) == 0) { |
} else if (strcmp("-help", argv[i]) == 0) { |
185 |
usage(); |
usage(); |
186 |
return(0); |
return(0); |
190 |
} |
} |
191 |
} |
} |
192 |
|
|
193 |
|
#if defined(_MSC_VER) |
194 |
|
if (ARG_INPUTFILE==NULL) { |
195 |
|
fprintf(stderr, "Warning: MSVC build does not read EOF correctly from stdin. Use the -i switch.\n\n"); |
196 |
|
} |
197 |
|
#endif |
198 |
|
|
199 |
/***************************************************************************** |
/***************************************************************************** |
200 |
* Values checking |
* Values checking |
201 |
****************************************************************************/ |
****************************************************************************/ |
212 |
} |
} |
213 |
} |
} |
214 |
|
|
215 |
|
/* PNM/PGM format can't handle 16/32 bit data */ |
216 |
|
if (BPP != 1 && BPP != 3 && FORMAT == USE_PNM) { |
217 |
|
FORMAT = USE_TGA; |
218 |
|
} |
219 |
|
if (BPP != 1 && FORMAT == USE_YUV) { |
220 |
|
FORMAT = USE_TGA; |
221 |
|
} |
222 |
|
|
223 |
/***************************************************************************** |
/***************************************************************************** |
224 |
* Memory allocation |
* Memory allocation |
225 |
****************************************************************************/ |
****************************************************************************/ |
253 |
totalsize = 0; |
totalsize = 0; |
254 |
filenr = 0; |
filenr = 0; |
255 |
mp4_ptr = mp4_buffer; |
mp4_ptr = mp4_buffer; |
256 |
|
chunk = 0; |
257 |
|
|
258 |
do { |
do { |
259 |
int used_bytes = 0; |
int used_bytes = 0; |
274 |
mp4_ptr = mp4_buffer; |
mp4_ptr = mp4_buffer; |
275 |
|
|
276 |
/* read new data */ |
/* read new data */ |
277 |
if(feof(in_file)) |
if(!feof(in_file)) { |
|
break; |
|
|
|
|
278 |
useful_bytes += fread(mp4_buffer + already_in_buffer, |
useful_bytes += fread(mp4_buffer + already_in_buffer, |
279 |
1, BUFFER_SIZE - already_in_buffer, |
1, BUFFER_SIZE - already_in_buffer, |
280 |
in_file); |
in_file); |
281 |
|
} |
282 |
} |
} |
283 |
|
|
284 |
|
|
310 |
|
|
311 |
fprintf(stderr, "Resized frame buffer to %dx%d\n", XDIM, YDIM); |
fprintf(stderr, "Resized frame buffer to %dx%d\n", XDIM, YDIM); |
312 |
} |
} |
313 |
|
|
314 |
|
/* Save individual mpeg4 stream if required */ |
315 |
|
if(ARG_SAVEMPEGSTREAM) { |
316 |
|
FILE *filehandle = NULL; |
317 |
|
|
318 |
|
sprintf(filename, "%svolhdr.m4v", filepath); |
319 |
|
filehandle = fopen(filename, "wb"); |
320 |
|
if(!filehandle) { |
321 |
|
fprintf(stderr, |
322 |
|
"Error writing vol header mpeg4 stream to file %s\n", |
323 |
|
filename); |
324 |
|
} else { |
325 |
|
fwrite(mp4_ptr, 1, used_bytes, filehandle); |
326 |
|
fclose(filehandle); |
327 |
|
} |
328 |
|
} |
329 |
} |
} |
330 |
|
|
331 |
/* Update buffer pointers */ |
/* Update buffer pointers */ |
337 |
totalsize += used_bytes; |
totalsize += used_bytes; |
338 |
} |
} |
339 |
|
|
340 |
}while(xvid_dec_stats.type <= 0 && useful_bytes > 0); |
if (display_buffer_bytes) { |
341 |
|
printf("Data chunk %d: %d bytes consumed, %d bytes in buffer\n", chunk++, used_bytes, useful_bytes); |
342 |
|
} |
343 |
|
} while (xvid_dec_stats.type <= 0 && useful_bytes > MIN_USEFUL_BYTES); |
344 |
|
|
345 |
/* Check if there is a negative number of useful bytes left in buffer |
/* Check if there is a negative number of useful bytes left in buffer |
346 |
* This means we went too far */ |
* This means we went too far */ |
351 |
totaldectime += dectime; |
totaldectime += dectime; |
352 |
|
|
353 |
|
|
354 |
|
if (!display_buffer_bytes) { |
355 |
printf("Frame %5d: type = %s, dectime(ms) =%6.1f, length(bytes) =%7d\n", |
printf("Frame %5d: type = %s, dectime(ms) =%6.1f, length(bytes) =%7d\n", |
356 |
filenr, type2str(xvid_dec_stats.type), dectime, used_bytes); |
filenr, type2str(xvid_dec_stats.type), dectime, used_bytes); |
357 |
|
} |
358 |
|
|
359 |
/* Save individual mpeg4 stream if required */ |
/* Save individual mpeg4 stream if required */ |
360 |
if(ARG_SAVEMPEGSTREAM) { |
if(ARG_SAVEMPEGSTREAM) { |
375 |
|
|
376 |
/* Save output frame if required */ |
/* Save output frame if required */ |
377 |
if (ARG_SAVEDECOUTPUT) { |
if (ARG_SAVEDECOUTPUT) { |
378 |
sprintf(filename, "%sdec%05d.pgm", filepath, filenr); |
sprintf(filename, "%sdec", filepath); |
379 |
if(write_pgm(filename,out_buffer)) { |
|
380 |
|
if(write_image(filename, out_buffer, filenr)) { |
381 |
fprintf(stderr, |
fprintf(stderr, |
382 |
"Error writing decoded PGM frame %s\n", |
"Error writing decoded frame %s\n", |
383 |
filename); |
filename); |
384 |
} |
} |
385 |
} |
} |
386 |
|
|
387 |
filenr++; |
filenr++; |
388 |
|
|
389 |
} while ( (status>=0) && (filenr<ABS_MAXFRAMENR)); |
} while (useful_bytes>MIN_USEFUL_BYTES || !feof(in_file)); |
390 |
|
|
391 |
|
useful_bytes = 0; /* Empty buffer */ |
392 |
|
|
393 |
/***************************************************************************** |
/***************************************************************************** |
394 |
* Flush decoder buffers |
* Flush decoder buffers |
404 |
dectime = msecond(); |
dectime = msecond(); |
405 |
used_bytes = dec_main(NULL, out_buffer, -1, &xvid_dec_stats); |
used_bytes = dec_main(NULL, out_buffer, -1, &xvid_dec_stats); |
406 |
dectime = msecond() - dectime; |
dectime = msecond() - dectime; |
407 |
|
if (display_buffer_bytes) { |
408 |
|
printf("Data chunk %d: %d bytes consumed, %d bytes in buffer\n", chunk++, used_bytes, useful_bytes); |
409 |
|
} |
410 |
}while(used_bytes>=0 && xvid_dec_stats.type <= 0); |
}while(used_bytes>=0 && xvid_dec_stats.type <= 0); |
411 |
|
|
412 |
if (used_bytes < 0) { /* XVID_ERR_END */ |
if (used_bytes < 0) { /* XVID_ERR_END */ |
417 |
totaldectime += dectime; |
totaldectime += dectime; |
418 |
|
|
419 |
/* Prints some decoding stats */ |
/* Prints some decoding stats */ |
420 |
|
if (!display_buffer_bytes) { |
421 |
printf("Frame %5d: type = %s, dectime(ms) =%6.1f, length(bytes) =%7d\n", |
printf("Frame %5d: type = %s, dectime(ms) =%6.1f, length(bytes) =%7d\n", |
422 |
filenr, type2str(xvid_dec_stats.type), dectime, used_bytes); |
filenr, type2str(xvid_dec_stats.type), dectime, used_bytes); |
423 |
|
} |
424 |
|
|
425 |
/* Save output frame if required */ |
/* Save output frame if required */ |
426 |
if (ARG_SAVEDECOUTPUT) { |
if (ARG_SAVEDECOUTPUT) { |
427 |
sprintf(filename, "%sdec%05d.pgm", filepath, filenr); |
sprintf(filename, "%sdec", filepath); |
428 |
if(write_pgm(filename, out_buffer)) { |
|
429 |
|
if(write_image(filename, out_buffer, filenr)) { |
430 |
fprintf(stderr, |
fprintf(stderr, |
431 |
"Error writing decoded PGM frame %s\n", |
"Error writing decoded frame %s\n", |
432 |
filename); |
filename); |
433 |
} |
} |
434 |
} |
} |
441 |
* Calculate totals and averages for output, print results |
* Calculate totals and averages for output, print results |
442 |
****************************************************************************/ |
****************************************************************************/ |
443 |
|
|
444 |
|
if (filenr>0) { |
445 |
totalsize /= filenr; |
totalsize /= filenr; |
446 |
totaldectime /= filenr; |
totaldectime /= filenr; |
|
|
|
447 |
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", |
448 |
totaldectime, 1000/totaldectime, (int)totalsize); |
totaldectime, 1000/totaldectime, (int)totalsize); |
449 |
|
}else{ |
450 |
|
printf("Nothing was decoded!\n"); |
451 |
|
} |
452 |
|
|
453 |
/***************************************************************************** |
/***************************************************************************** |
454 |
* XviD PART Stop |
* XviD PART Stop |
481 |
fprintf(stderr, " -debug : debug level (debug=0)\n"); |
fprintf(stderr, " -debug : debug level (debug=0)\n"); |
482 |
fprintf(stderr, " -i string : input filename (default=stdin)\n"); |
fprintf(stderr, " -i string : input filename (default=stdin)\n"); |
483 |
fprintf(stderr, " -d : save decoder output\n"); |
fprintf(stderr, " -d : save decoder output\n"); |
484 |
|
fprintf(stderr, " -c csp : choose colorspace output (rgb16, rgb24, rgb32, yv12, i420)\n"); |
485 |
|
fprintf(stderr, " -f format : choose output file format (tga, pnm, pgm, yuv)\n"); |
486 |
fprintf(stderr, " -m : save mpeg4 raw stream to individual files\n"); |
fprintf(stderr, " -m : save mpeg4 raw stream to individual files\n"); |
487 |
fprintf(stderr, " -help : This help message\n"); |
fprintf(stderr, " -help : This help message\n"); |
488 |
fprintf(stderr, " (* means default)\n"); |
fprintf(stderr, " (* means default)\n"); |
504 |
#else |
#else |
505 |
clock_t clk; |
clock_t clk; |
506 |
clk = clock(); |
clk = clock(); |
507 |
return(clk * 1000 / CLOCKS_PER_SEC); |
return(clk * 1000.0 / CLOCKS_PER_SEC); |
508 |
#endif |
#endif |
509 |
} |
} |
510 |
|
|
512 |
* output functions |
* output functions |
513 |
****************************************************************************/ |
****************************************************************************/ |
514 |
|
|
515 |
static int |
static int write_image(char *prefix, unsigned char *image, int filenr) |
|
write_pgm(char *filename, |
|
|
unsigned char *image) |
|
516 |
{ |
{ |
517 |
int loop; |
char filename[1024]; |
518 |
|
char *ext; |
519 |
|
int ret; |
520 |
|
|
521 |
unsigned char *y = image; |
if (FORMAT == USE_PNM && BPP == 1) { |
522 |
unsigned char *u = image + XDIM*YDIM; |
ext = "pgm"; |
523 |
unsigned char *v = image + XDIM*YDIM + XDIM/2*YDIM/2; |
} else if (FORMAT == USE_PNM && BPP == 3) { |
524 |
|
ext = "pnm"; |
525 |
FILE *filehandle; |
} else if (FORMAT == USE_YUV) { |
526 |
filehandle=fopen(filename,"w+b"); |
ext = "yuv"; |
527 |
if (filehandle) { |
} else if (FORMAT == USE_TGA) { |
528 |
|
ext = "tga"; |
529 |
|
} else { |
530 |
|
fprintf(stderr, "Bug: should not reach this path code -- please report to xvid-devel@xvid.org with command line options used"); |
531 |
|
exit(-1); |
532 |
|
} |
533 |
|
|
534 |
/* Write header */ |
if (FORMAT == USE_YUV) { |
535 |
fprintf(filehandle,"P5\n\n%d %d 255\n", XDIM,YDIM*3/2); |
sprintf(filename, "%s.%s", prefix, ext); |
536 |
|
|
537 |
/* Write Y data */ |
if (!filenr) { |
538 |
fwrite(y, 1, XDIM*YDIM, filehandle); |
FILE *fp = fopen(filename, "wb"); |
539 |
|
fclose(fp); |
540 |
|
} |
541 |
|
} else |
542 |
|
sprintf(filename, "%s%05d.%s", prefix, filenr, ext); |
543 |
|
|
544 |
|
if (FORMAT == USE_PNM) { |
545 |
|
ret = write_pnm(filename, image); |
546 |
|
} else if (FORMAT == USE_YUV) { |
547 |
|
ret = write_yuv(filename, image); |
548 |
|
} else { |
549 |
|
ret = write_tga(filename, image); |
550 |
|
} |
551 |
|
|
552 |
|
return(ret); |
553 |
|
} |
554 |
|
|
555 |
for(loop=0; loop<YDIM/2; loop++) |
static int write_tga(char *filename, unsigned char *image) |
556 |
{ |
{ |
557 |
/* Write U scanline */ |
FILE * f; |
558 |
fwrite(u, 1, XDIM/2, filehandle); |
char hdr[18]; |
559 |
|
|
560 |
|
f = fopen(filename, "wb"); |
561 |
|
if ( f == NULL) { |
562 |
|
return -1; |
563 |
|
} |
564 |
|
|
565 |
|
hdr[0] = 0; /* ID length */ |
566 |
|
hdr[1] = 0; /* Color map type */ |
567 |
|
hdr[2] = (BPP>1)?2:3; /* Uncompressed true color (2) or greymap (3) */ |
568 |
|
hdr[3] = 0; /* Color map specification (not used) */ |
569 |
|
hdr[4] = 0; /* Color map specification (not used) */ |
570 |
|
hdr[5] = 0; /* Color map specification (not used) */ |
571 |
|
hdr[6] = 0; /* Color map specification (not used) */ |
572 |
|
hdr[7] = 0; /* Color map specification (not used) */ |
573 |
|
hdr[8] = 0; /* LSB X origin */ |
574 |
|
hdr[9] = 0; /* MSB X origin */ |
575 |
|
hdr[10] = 0; /* LSB Y origin */ |
576 |
|
hdr[11] = 0; /* MSB Y origin */ |
577 |
|
hdr[12] = (XDIM>>0)&0xff; /* LSB Width */ |
578 |
|
hdr[13] = (XDIM>>8)&0xff; /* MSB Width */ |
579 |
|
if (BPP > 1) { |
580 |
|
hdr[14] = (YDIM>>0)&0xff; /* LSB Height */ |
581 |
|
hdr[15] = (YDIM>>8)&0xff; /* MSB Height */ |
582 |
|
} else { |
583 |
|
hdr[14] = ((YDIM*3)>>1)&0xff; /* LSB Height */ |
584 |
|
hdr[15] = ((YDIM*3)>>9)&0xff; /* MSB Height */ |
585 |
|
} |
586 |
|
hdr[16] = BPP*8; |
587 |
|
hdr[17] = 0x00 | (1<<5) /* Up to down */ | (0<<4); /* Image descriptor */ |
588 |
|
|
589 |
|
/* Write header */ |
590 |
|
fwrite(hdr, 1, sizeof(hdr), f); |
591 |
|
|
592 |
/* Write V scanline */ |
#ifdef ARCH_IS_LITTLE_ENDIAN |
593 |
fwrite(v, 1, XDIM/2, filehandle); |
/* write first plane */ |
594 |
|
fwrite(image, 1, XDIM*YDIM*BPP, f); |
595 |
|
#else |
596 |
|
{ |
597 |
|
int i; |
598 |
|
for (i=0; i<XDIM*YDIM*BPP;i+=BPP) { |
599 |
|
if (BPP == 1) { |
600 |
|
fputc(*(image+i), f); |
601 |
|
} else if (BPP == 2) { |
602 |
|
fputc(*(image+i+1), f); |
603 |
|
fputc(*(image+i+0), f); |
604 |
|
} else if (BPP == 3) { |
605 |
|
fputc(*(image+i+2), f); |
606 |
|
fputc(*(image+i+1), f); |
607 |
|
fputc(*(image+i+0), f); |
608 |
|
} else if (BPP == 4) { |
609 |
|
fputc(*(image+i+3), f); |
610 |
|
fputc(*(image+i+2), f); |
611 |
|
fputc(*(image+i+1), f); |
612 |
|
fputc(*(image+i+0), f); |
613 |
|
} |
614 |
|
} |
615 |
|
} |
616 |
|
#endif |
617 |
|
|
618 |
/* Update pointers */ |
/* Write Y and V planes for YUV formats */ |
619 |
u += XDIM/2; |
if (BPP == 1) { |
620 |
v += XDIM/2; |
int i; |
621 |
|
|
622 |
|
/* Write the two chrominance planes */ |
623 |
|
for (i=0; i<YDIM/2; i++) { |
624 |
|
fwrite(image+XDIM*YDIM + i*XDIM/2, 1, XDIM/2, f); |
625 |
|
fwrite(image+5*XDIM*YDIM/4 + i*XDIM/2, 1, XDIM/2, f); |
626 |
|
} |
627 |
} |
} |
628 |
|
|
629 |
/* Close file */ |
|
630 |
fclose(filehandle); |
/* Close the file */ |
631 |
|
fclose(f); |
632 |
|
|
633 |
return(0); |
return(0); |
634 |
} |
} |
635 |
else |
|
636 |
return(1); |
static int write_pnm(char *filename, unsigned char *image) |
637 |
|
{ |
638 |
|
FILE * f; |
639 |
|
|
640 |
|
f = fopen(filename, "wb"); |
641 |
|
if ( f == NULL) { |
642 |
|
return -1; |
643 |
|
} |
644 |
|
|
645 |
|
if (BPP == 1) { |
646 |
|
int i; |
647 |
|
fprintf(f, "P5\n%i %i\n255\n", XDIM, YDIM*3/2); |
648 |
|
|
649 |
|
fwrite(image, 1, XDIM*YDIM, f); |
650 |
|
|
651 |
|
for (i=0; i<YDIM/2;i++) { |
652 |
|
fwrite(image+XDIM*YDIM + i*XDIM/2, 1, XDIM/2, f); |
653 |
|
fwrite(image+5*XDIM*YDIM/4 + i*XDIM/2, 1, XDIM/2, f); |
654 |
|
} |
655 |
|
} else if (BPP == 3) { |
656 |
|
int i; |
657 |
|
fprintf(f, "P6\n#xvid\n%i %i\n255\n", XDIM, YDIM); |
658 |
|
for (i=0; i<XDIM*YDIM*3; i+=3) { |
659 |
|
#ifdef ARCH_IS_LITTLE_ENDIAN |
660 |
|
fputc(image[i+2], f); |
661 |
|
fputc(image[i+1], f); |
662 |
|
fputc(image[i+0], f); |
663 |
|
#else |
664 |
|
fputc(image[i+0], f); |
665 |
|
fputc(image[i+1], f); |
666 |
|
fputc(image[i+2], f); |
667 |
|
#endif |
668 |
|
} |
669 |
|
} |
670 |
|
|
671 |
|
fclose(f); |
672 |
|
|
673 |
|
return 0; |
674 |
|
} |
675 |
|
|
676 |
|
static int write_yuv(char *filename, unsigned char *image) |
677 |
|
{ |
678 |
|
FILE * f; |
679 |
|
|
680 |
|
f = fopen(filename, "ab+"); |
681 |
|
if ( f == NULL) { |
682 |
|
return -1; |
683 |
|
} |
684 |
|
|
685 |
|
fwrite(image, 1, 3*XDIM*YDIM/2, f); |
686 |
|
|
687 |
|
fclose(f); |
688 |
|
|
689 |
|
return 0; |
690 |
} |
} |
691 |
|
|
692 |
/***************************************************************************** |
/***************************************************************************** |
702 |
xvid_gbl_init_t xvid_gbl_init; |
xvid_gbl_init_t xvid_gbl_init; |
703 |
xvid_dec_create_t xvid_dec_create; |
xvid_dec_create_t xvid_dec_create; |
704 |
|
|
705 |
|
/* Reset the structure with zeros */ |
706 |
|
memset(&xvid_gbl_init, 0, sizeof(xvid_gbl_init_t)); |
707 |
|
memset(&xvid_dec_create, 0, sizeof(xvid_dec_create_t)); |
708 |
|
|
709 |
/*------------------------------------------------------------------------ |
/*------------------------------------------------------------------------ |
710 |
* XviD core initialization |
* XviD core initialization |
711 |
*----------------------------------------------------------------------*/ |
*----------------------------------------------------------------------*/ |
760 |
|
|
761 |
xvid_dec_frame_t xvid_dec_frame; |
xvid_dec_frame_t xvid_dec_frame; |
762 |
|
|
763 |
|
/* Reset all structures */ |
764 |
|
memset(&xvid_dec_frame, 0, sizeof(xvid_dec_frame_t)); |
765 |
|
memset(xvid_dec_stats, 0, sizeof(xvid_dec_stats_t)); |
766 |
|
|
767 |
/* Set version */ |
/* Set version */ |
768 |
xvid_dec_frame.version = XVID_VERSION; |
xvid_dec_frame.version = XVID_VERSION; |
769 |
xvid_dec_stats->version = XVID_VERSION; |
xvid_dec_stats->version = XVID_VERSION; |
777 |
|
|
778 |
/* Output frame structure */ |
/* Output frame structure */ |
779 |
xvid_dec_frame.output.plane[0] = ostream; |
xvid_dec_frame.output.plane[0] = ostream; |
780 |
xvid_dec_frame.output.stride[0] = XDIM; |
xvid_dec_frame.output.stride[0] = XDIM*BPP; |
781 |
xvid_dec_frame.output.csp = XVID_CSP_I420; |
xvid_dec_frame.output.csp = CSP; |
782 |
|
|
783 |
ret = xvid_decore(dec_handle, XVID_DEC_DECODE, &xvid_dec_frame, xvid_dec_stats); |
ret = xvid_decore(dec_handle, XVID_DEC_DECODE, &xvid_dec_frame, xvid_dec_stats); |
784 |
|
|