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 2004-03-22 22:36:23 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; |
66 |
static int ARG_SAVEMPEGSTREAM = 0; |
static int ARG_SAVEMPEGSTREAM = 0; |
67 |
static char *ARG_INPUTFILE = NULL; |
static char *ARG_INPUTFILE = NULL; |
68 |
|
static int CSP = XVID_CSP_I420; |
69 |
|
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; |
144 |
ARG_INPUTFILE = argv[i]; |
ARG_INPUTFILE = argv[i]; |
145 |
} else if (strcmp("-m", argv[i]) == 0) { |
} else if (strcmp("-m", argv[i]) == 0) { |
146 |
ARG_SAVEMPEGSTREAM = 1; |
ARG_SAVEMPEGSTREAM = 1; |
147 |
|
} else if (strcmp("-c", argv[i]) == 0 && i < argc - 1 ) { |
148 |
|
i++; |
149 |
|
if (strcmp(argv[i], "rgb16") == 0) { |
150 |
|
CSP = XVID_CSP_RGB555; |
151 |
|
BPP = 2; |
152 |
|
} else if (strcmp(argv[i], "rgb24") == 0) { |
153 |
|
CSP = XVID_CSP_BGR; |
154 |
|
BPP = 3; |
155 |
|
} else if (strcmp(argv[i], "rgb32") == 0) { |
156 |
|
CSP = XVID_CSP_BGRA; |
157 |
|
BPP = 4; |
158 |
|
} else if (strcmp(argv[i], "yv12") == 0) { |
159 |
|
CSP = XVID_CSP_YV12; |
160 |
|
BPP = 1; |
161 |
|
} else { |
162 |
|
CSP = XVID_CSP_I420; |
163 |
|
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.pgm", filepath, filenr); |
sprintf(filename, "%sdec%05d", filepath, filenr); |
338 |
if(write_pgm(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.pgm", filepath, filenr); |
sprintf(filename, "%sdec%05d", filepath, filenr); |
379 |
if(write_pgm(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 (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 |
static int |
int write_image(char *prefix, unsigned char *image) |
|
write_pgm(char *filename, |
|
|
unsigned char *image) |
|
462 |
{ |
{ |
463 |
int loop; |
char filename[1024]; |
464 |
|
char *ext; |
465 |
|
int ret; |
466 |
|
|
467 |
unsigned char *y = image; |
if (FORMAT == USE_PNM && BPP == 1) { |
468 |
unsigned char *u = image + XDIM*YDIM; |
ext = "pgm"; |
469 |
unsigned char *v = image + XDIM*YDIM + XDIM/2*YDIM/2; |
} else if (FORMAT == USE_PNM && BPP == 3) { |
470 |
|
ext = "pnm"; |
471 |
FILE *filehandle; |
} else if (FORMAT == USE_TGA) { |
472 |
filehandle=fopen(filename,"w+b"); |
ext = "tga"; |
473 |
if (filehandle) { |
} 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 |
/* Write header */ |
sprintf(filename, "%s.%s", prefix, ext); |
|
fprintf(filehandle,"P5\n\n%d %d 255\n", XDIM,YDIM*3/2); |
|
479 |
|
|
480 |
/* Write Y data */ |
if (FORMAT == USE_PNM) { |
481 |
fwrite(y, 1, XDIM*YDIM, filehandle); |
ret = write_pnm(filename, image); |
482 |
|
} else { |
483 |
|
ret = write_tga(filename, image); |
484 |
|
} |
485 |
|
|
486 |
|
return(ret); |
487 |
|
} |
488 |
|
|
489 |
for(loop=0; loop<YDIM/2; loop++) |
int write_tga(char *filename, unsigned char *image) |
490 |
{ |
{ |
491 |
/* Write U scanline */ |
FILE * f; |
492 |
fwrite(u, 1, XDIM/2, filehandle); |
char hdr[18]; |
493 |
|
|
494 |
/* Write V scanline */ |
f = fopen(filename, "wb"); |
495 |
fwrite(v, 1, XDIM/2, filehandle); |
if ( f == NULL) { |
496 |
|
return -1; |
497 |
|
} |
498 |
|
|
499 |
|
hdr[0] = 0; /* ID length */ |
500 |
|
hdr[1] = 0; /* Color map type */ |
501 |
|
hdr[2] = (BPP>1)?2:3; /* Uncompressed true color (2) or greymap (3) */ |
502 |
|
hdr[3] = 0; /* Color map specification (not used) */ |
503 |
|
hdr[4] = 0; /* Color map specification (not used) */ |
504 |
|
hdr[5] = 0; /* Color map specification (not used) */ |
505 |
|
hdr[6] = 0; /* Color map specification (not used) */ |
506 |
|
hdr[7] = 0; /* Color map specification (not used) */ |
507 |
|
hdr[8] = 0; /* LSB X origin */ |
508 |
|
hdr[9] = 0; /* MSB X origin */ |
509 |
|
hdr[10] = 0; /* LSB Y origin */ |
510 |
|
hdr[11] = 0; /* MSB Y origin */ |
511 |
|
hdr[12] = (XDIM>>0)&0xff; /* LSB Width */ |
512 |
|
hdr[13] = (XDIM>>8)&0xff; /* MSB Width */ |
513 |
|
if (BPP > 1) { |
514 |
|
hdr[14] = (YDIM>>0)&0xff; /* LSB Height */ |
515 |
|
hdr[15] = (YDIM>>8)&0xff; /* MSB Height */ |
516 |
|
} else { |
517 |
|
hdr[14] = ((YDIM*3)>>1)&0xff; /* LSB Height */ |
518 |
|
hdr[15] = ((YDIM*3)>>9)&0xff; /* MSB Height */ |
519 |
|
} |
520 |
|
hdr[16] = BPP*8; |
521 |
|
hdr[17] = 0x00 | (1<<5) /* Up to down */ | (0<<4); /* Image descriptor */ |
522 |
|
|
523 |
/* Update pointers */ |
/* Write header */ |
524 |
u += XDIM/2; |
fwrite(hdr, 1, sizeof(hdr), f); |
|
v += XDIM/2; |
|
525 |
|
|
526 |
|
#ifdef ARCH_IS_LITTLE_ENDIAN |
527 |
|
/* write first plane */ |
528 |
|
fwrite(image, 1, XDIM*YDIM*BPP, f); |
529 |
|
#else |
530 |
|
{ |
531 |
|
int i; |
532 |
|
for (i=0; i<width*height*BPP;i+=BPP) { |
533 |
|
if (BPP == 1) { |
534 |
|
fputc(image+i, f); |
535 |
|
} else if (BPP == 2) { |
536 |
|
fputc(image+i+1, f); |
537 |
|
fputc(image+i+0, f); |
538 |
|
} else if (BPP == 3) { |
539 |
|
fputc(image+i+2, f); |
540 |
|
fputc(image+i+1, f); |
541 |
|
fputc(image+i+0, f); |
542 |
|
} else if (BPP == 4) { |
543 |
|
fputc(image+i+3, f); |
544 |
|
fputc(image+i+2, f); |
545 |
|
fputc(image+i+1, f); |
546 |
|
fputc(image+i+0, f); |
547 |
} |
} |
548 |
|
} |
549 |
|
} |
550 |
|
#endif |
551 |
|
|
552 |
/* Close file */ |
/* Write Y and V planes for YUV formats */ |
553 |
fclose(filehandle); |
if (BPP == 1) { |
554 |
|
int i; |
555 |
|
|
556 |
|
/* Write the two chrominance planes */ |
557 |
|
for (i=0; i<YDIM/2; i++) { |
558 |
|
fwrite(image+XDIM*YDIM + i*XDIM/2, 1, XDIM/2, f); |
559 |
|
fwrite(image+5*XDIM*YDIM/4 + i*XDIM/2, 1, XDIM/2, f); |
560 |
|
} |
561 |
|
} |
562 |
|
|
563 |
|
|
564 |
|
/* Close the file */ |
565 |
|
fclose(f); |
566 |
|
|
567 |
return(0); |
return(0); |
568 |
} |
} |
569 |
else |
|
570 |
return(1); |
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 |
****************************************************************************/ |
****************************************************************************/ |
684 |
|
|
685 |
/* Output frame structure */ |
/* Output frame structure */ |
686 |
xvid_dec_frame.output.plane[0] = ostream; |
xvid_dec_frame.output.plane[0] = ostream; |
687 |
xvid_dec_frame.output.stride[0] = XDIM; |
xvid_dec_frame.output.stride[0] = XDIM*BPP; |
688 |
xvid_dec_frame.output.csp = XVID_CSP_I420; |
xvid_dec_frame.output.csp = CSP; |
689 |
|
|
690 |
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); |
691 |
|
|