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 1.10.2.1 2004-04-07 22:02:56 edgomez Exp $ |
* $Id: xvid_decraw.c,v 1.10.2.2 2004-04-10 10:05:47 edgomez Exp $ |
24 |
* |
* |
25 |
****************************************************************************/ |
****************************************************************************/ |
26 |
|
|
57 |
/* max number of frames */ |
/* max number of frames */ |
58 |
#define ABS_MAXFRAMENR 9999 |
#define ABS_MAXFRAMENR 9999 |
59 |
|
|
60 |
|
#define USE_PNM 0 |
61 |
|
#define USE_TGA 1 |
62 |
|
|
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; |
67 |
static char *ARG_INPUTFILE = NULL; |
static char *ARG_INPUTFILE = NULL; |
68 |
static int CSP = XVID_CSP_I420; |
static int CSP = XVID_CSP_I420; |
69 |
static int BPP = 1; |
static int BPP = 1; |
70 |
|
static int FORMAT = USE_PNM; |
71 |
|
|
72 |
static char filepath[256] = "./"; |
static char filepath[256] = "./"; |
73 |
static void *dec_handle = NULL; |
static void *dec_handle = NULL; |
162 |
CSP = XVID_CSP_I420; |
CSP = XVID_CSP_I420; |
163 |
BPP = 1; |
BPP = 1; |
164 |
} |
} |
165 |
|
} else if (strcmp("-f", argv[i]) == 0 && i < argc -1) { |
166 |
|
i++; |
167 |
|
if (strcmp(argv[i], "tga") == 0) { |
168 |
|
FORMAT = USE_TGA; |
169 |
|
} else { |
170 |
|
FORMAT = USE_PNM; |
171 |
|
} |
172 |
} else if (strcmp("-help", argv[i]) == 0) { |
} else if (strcmp("-help", argv[i]) == 0) { |
173 |
usage(); |
usage(); |
174 |
return(0); |
return(0); |
194 |
} |
} |
195 |
} |
} |
196 |
|
|
197 |
|
/* PNM/PGM format can't handle 16/32 bit data */ |
198 |
|
if (BPP != 1 && BPP != 3 && FORMAT == USE_PNM) { |
199 |
|
FORMAT = USE_TGA; |
200 |
|
} |
201 |
|
|
202 |
/***************************************************************************** |
/***************************************************************************** |
203 |
* Memory allocation |
* Memory allocation |
204 |
****************************************************************************/ |
****************************************************************************/ |
334 |
|
|
335 |
/* Save output frame if required */ |
/* Save output frame if required */ |
336 |
if (ARG_SAVEDECOUTPUT) { |
if (ARG_SAVEDECOUTPUT) { |
337 |
sprintf(filename, "%sdec%05d.tga", filepath, filenr); |
sprintf(filename, "%sdec%05d", filepath, filenr); |
338 |
if(write_tga(filename,out_buffer)) { |
if(write_image(filename, out_buffer)) { |
339 |
fprintf(stderr, |
fprintf(stderr, |
340 |
"Error writing decoded PGM frame %s\n", |
"Error writing decoded PGM frame %s\n", |
341 |
filename); |
filename); |
375 |
|
|
376 |
/* Save output frame if required */ |
/* Save output frame if required */ |
377 |
if (ARG_SAVEDECOUTPUT) { |
if (ARG_SAVEDECOUTPUT) { |
378 |
sprintf(filename, "%sdec%05d.tga", filepath, filenr); |
sprintf(filename, "%sdec%05d", filepath, filenr); |
379 |
if(write_tga(filename, out_buffer)) { |
if(write_image(filename, out_buffer)) { |
380 |
fprintf(stderr, |
fprintf(stderr, |
381 |
"Error writing decoded PGM frame %s\n", |
"Error writing decoded PGM frame %s\n", |
382 |
filename); |
filename); |
427 |
fprintf(stderr, " -asm : use assembly optimizations (default=disabled)\n"); |
fprintf(stderr, " -asm : use assembly optimizations (default=disabled)\n"); |
428 |
fprintf(stderr, " -i string : input filename (default=stdin)\n"); |
fprintf(stderr, " -i string : input filename (default=stdin)\n"); |
429 |
fprintf(stderr, " -d : save decoder output\n"); |
fprintf(stderr, " -d : save decoder output\n"); |
430 |
fprintf(stderr, " -c csp : choose colorspace output (csp can be one of rgb16, rgb24, rgb32, yv12, i420)\n"); |
fprintf(stderr, " -c csp : choose colorspace output (rgb16, rgb24, rgb32, yv12, i420)\n"); |
431 |
|
fprintf(stderr, " -f format : choose output file format (tga, pnm, pgm)\n"); |
432 |
fprintf(stderr, " -m : save mpeg4 raw stream to individual files\n"); |
fprintf(stderr, " -m : save mpeg4 raw stream to individual files\n"); |
433 |
fprintf(stderr, " -help : This help message\n"); |
fprintf(stderr, " -help : This help message\n"); |
434 |
fprintf(stderr, " (* means default)\n"); |
fprintf(stderr, " (* means default)\n"); |
458 |
* output functions |
* output functions |
459 |
****************************************************************************/ |
****************************************************************************/ |
460 |
|
|
461 |
|
int write_image(char *prefix, unsigned char *image) |
462 |
|
{ |
463 |
|
char filename[1024]; |
464 |
|
char *ext; |
465 |
|
int ret; |
466 |
|
|
467 |
|
if (FORMAT == USE_PNM && BPP == 1) { |
468 |
|
ext = "pgm"; |
469 |
|
} else if (FORMAT == USE_PNM && BPP == 3) { |
470 |
|
ext = "pnm"; |
471 |
|
} else if (FORMAT == USE_TGA) { |
472 |
|
ext = "tga"; |
473 |
|
} else { |
474 |
|
fprintf(stderr, "Bug: should not reach this path code -- please report to xvid-devel@xvid.org with command line options used"); |
475 |
|
exit(-1); |
476 |
|
} |
477 |
|
|
478 |
|
sprintf(filename, "%s.%s", prefix, ext); |
479 |
|
|
480 |
|
if (FORMAT == USE_PNM) { |
481 |
|
ret = write_pnm(filename, image); |
482 |
|
} else { |
483 |
|
ret = write_tga(filename, image); |
484 |
|
} |
485 |
|
|
486 |
|
return(ret); |
487 |
|
} |
488 |
|
|
489 |
int write_tga(char *filename, unsigned char *image) |
int write_tga(char *filename, unsigned char *image) |
490 |
{ |
{ |
491 |
FILE * f; |
FILE * f; |
555 |
|
|
556 |
/* Write the two chrominance planes */ |
/* Write the two chrominance planes */ |
557 |
for (i=0; i<YDIM/2; i++) { |
for (i=0; i<YDIM/2; i++) { |
558 |
fwrite(image+XDIM*YDIM+XDIM/2*i, 1, XDIM/2, f); |
fwrite(image+XDIM*YDIM + i*XDIM/2, 1, XDIM/2, f); |
559 |
fwrite(image+5*XDIM*YDIM/4 + XDIM/2*i, 1, XDIM/2, f); |
fwrite(image+5*XDIM*YDIM/4 + i*XDIM/2, 1, XDIM/2, f); |
560 |
} |
} |
561 |
} |
} |
562 |
|
|
567 |
return(0); |
return(0); |
568 |
} |
} |
569 |
|
|
570 |
|
int write_pnm(char *filename, unsigned char *image) |
571 |
|
{ |
572 |
|
FILE * f; |
573 |
|
|
574 |
|
f = fopen(filename, "wb"); |
575 |
|
if ( f == NULL) { |
576 |
|
return -1; |
577 |
|
} |
578 |
|
|
579 |
|
if (BPP == 1) { |
580 |
|
int i; |
581 |
|
fprintf(f, "P5\n#xvid\n%i %i\n255\n", XDIM, YDIM*3/2); |
582 |
|
|
583 |
|
fwrite(image, 1, XDIM*YDIM, f); |
584 |
|
|
585 |
|
for (i=0; i<YDIM/2;i++) { |
586 |
|
fwrite(image+XDIM*YDIM + i*XDIM/2, 1, XDIM/2, f); |
587 |
|
fwrite(image+5*XDIM*YDIM/4 + i*XDIM/2, 1, XDIM/2, f); |
588 |
|
} |
589 |
|
} else if (BPP == 3) { |
590 |
|
int i; |
591 |
|
fprintf(f, "P6\n#xvid\n%i %i\n255\n", XDIM, YDIM); |
592 |
|
for (i=0; i<XDIM*YDIM*3; i+=3) { |
593 |
|
#ifdef ARCH_IS_LITTLE_ENDIAN |
594 |
|
fputc(image[i+2], f); |
595 |
|
fputc(image[i+1], f); |
596 |
|
fputc(image[i+0], f); |
597 |
|
#else |
598 |
|
fputc(image[i+0], f); |
599 |
|
fputc(image[i+1], f); |
600 |
|
fputc(image[i+2], f); |
601 |
|
#endif |
602 |
|
} |
603 |
|
} |
604 |
|
|
605 |
|
fclose(f); |
606 |
|
|
607 |
|
return 0; |
608 |
|
} |
609 |
/***************************************************************************** |
/***************************************************************************** |
610 |
* Routines for decoding: init decoder, use, and stop decoder |
* Routines for decoding: init decoder, use, and stop decoder |
611 |
****************************************************************************/ |
****************************************************************************/ |