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 1.12 2004-04-12 14:05:08 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; |
150 |
ARG_INPUTFILE = argv[i]; |
ARG_INPUTFILE = argv[i]; |
151 |
} else if (strcmp("-m", argv[i]) == 0) { |
} else if (strcmp("-m", argv[i]) == 0) { |
152 |
ARG_SAVEMPEGSTREAM = 1; |
ARG_SAVEMPEGSTREAM = 1; |
153 |
|
} else if (strcmp("-c", argv[i]) == 0 && i < argc - 1 ) { |
154 |
|
i++; |
155 |
|
if (strcmp(argv[i], "rgb16") == 0) { |
156 |
|
CSP = XVID_CSP_RGB555; |
157 |
|
BPP = 2; |
158 |
|
} else if (strcmp(argv[i], "rgb24") == 0) { |
159 |
|
CSP = XVID_CSP_BGR; |
160 |
|
BPP = 3; |
161 |
|
} else if (strcmp(argv[i], "rgb32") == 0) { |
162 |
|
CSP = XVID_CSP_BGRA; |
163 |
|
BPP = 4; |
164 |
|
} else if (strcmp(argv[i], "yv12") == 0) { |
165 |
|
CSP = XVID_CSP_YV12; |
166 |
|
BPP = 1; |
167 |
|
} else { |
168 |
|
CSP = XVID_CSP_I420; |
169 |
|
BPP = 1; |
170 |
|
} |
171 |
|
} else if (strcmp("-f", argv[i]) == 0 && i < argc -1) { |
172 |
|
i++; |
173 |
|
if (strcmp(argv[i], "tga") == 0) { |
174 |
|
FORMAT = USE_TGA; |
175 |
|
} else { |
176 |
|
FORMAT = USE_PNM; |
177 |
|
} |
178 |
} else if (strcmp("-help", argv[i]) == 0) { |
} else if (strcmp("-help", argv[i]) == 0) { |
179 |
usage(); |
usage(); |
180 |
return(0); |
return(0); |
200 |
} |
} |
201 |
} |
} |
202 |
|
|
203 |
|
/* PNM/PGM format can't handle 16/32 bit data */ |
204 |
|
if (BPP != 1 && BPP != 3 && FORMAT == USE_PNM) { |
205 |
|
FORMAT = USE_TGA; |
206 |
|
} |
207 |
|
|
208 |
/***************************************************************************** |
/***************************************************************************** |
209 |
* Memory allocation |
* Memory allocation |
210 |
****************************************************************************/ |
****************************************************************************/ |
340 |
|
|
341 |
/* Save output frame if required */ |
/* Save output frame if required */ |
342 |
if (ARG_SAVEDECOUTPUT) { |
if (ARG_SAVEDECOUTPUT) { |
343 |
sprintf(filename, "%sdec%05d.pgm", filepath, filenr); |
sprintf(filename, "%sdec%05d", filepath, filenr); |
344 |
if(write_pgm(filename,out_buffer)) { |
if(write_image(filename, out_buffer)) { |
345 |
fprintf(stderr, |
fprintf(stderr, |
346 |
"Error writing decoded PGM frame %s\n", |
"Error writing decoded PGM frame %s\n", |
347 |
filename); |
filename); |
381 |
|
|
382 |
/* Save output frame if required */ |
/* Save output frame if required */ |
383 |
if (ARG_SAVEDECOUTPUT) { |
if (ARG_SAVEDECOUTPUT) { |
384 |
sprintf(filename, "%sdec%05d.pgm", filepath, filenr); |
sprintf(filename, "%sdec%05d", filepath, filenr); |
385 |
if(write_pgm(filename, out_buffer)) { |
if(write_image(filename, out_buffer)) { |
386 |
fprintf(stderr, |
fprintf(stderr, |
387 |
"Error writing decoded PGM frame %s\n", |
"Error writing decoded PGM frame %s\n", |
388 |
filename); |
filename); |
434 |
fprintf(stderr, " -debug : debug level (debug=0)\n"); |
fprintf(stderr, " -debug : debug level (debug=0)\n"); |
435 |
fprintf(stderr, " -i string : input filename (default=stdin)\n"); |
fprintf(stderr, " -i string : input filename (default=stdin)\n"); |
436 |
fprintf(stderr, " -d : save decoder output\n"); |
fprintf(stderr, " -d : save decoder output\n"); |
437 |
|
fprintf(stderr, " -c csp : choose colorspace output (rgb16, rgb24, rgb32, yv12, i420)\n"); |
438 |
|
fprintf(stderr, " -f format : choose output file format (tga, pnm, pgm)\n"); |
439 |
fprintf(stderr, " -m : save mpeg4 raw stream to individual files\n"); |
fprintf(stderr, " -m : save mpeg4 raw stream to individual files\n"); |
440 |
fprintf(stderr, " -help : This help message\n"); |
fprintf(stderr, " -help : This help message\n"); |
441 |
fprintf(stderr, " (* means default)\n"); |
fprintf(stderr, " (* means default)\n"); |
465 |
* output functions |
* output functions |
466 |
****************************************************************************/ |
****************************************************************************/ |
467 |
|
|
468 |
static int |
int write_image(char *prefix, unsigned char *image) |
|
write_pgm(char *filename, |
|
|
unsigned char *image) |
|
469 |
{ |
{ |
470 |
int loop; |
char filename[1024]; |
471 |
|
char *ext; |
472 |
|
int ret; |
473 |
|
|
474 |
unsigned char *y = image; |
if (FORMAT == USE_PNM && BPP == 1) { |
475 |
unsigned char *u = image + XDIM*YDIM; |
ext = "pgm"; |
476 |
unsigned char *v = image + XDIM*YDIM + XDIM/2*YDIM/2; |
} else if (FORMAT == USE_PNM && BPP == 3) { |
477 |
|
ext = "pnm"; |
478 |
FILE *filehandle; |
} else if (FORMAT == USE_TGA) { |
479 |
filehandle=fopen(filename,"w+b"); |
ext = "tga"; |
480 |
if (filehandle) { |
} else { |
481 |
|
fprintf(stderr, "Bug: should not reach this path code -- please report to xvid-devel@xvid.org with command line options used"); |
482 |
|
exit(-1); |
483 |
|
} |
484 |
|
|
485 |
/* Write header */ |
sprintf(filename, "%s.%s", prefix, ext); |
|
fprintf(filehandle,"P5\n\n%d %d 255\n", XDIM,YDIM*3/2); |
|
486 |
|
|
487 |
/* Write Y data */ |
if (FORMAT == USE_PNM) { |
488 |
fwrite(y, 1, XDIM*YDIM, filehandle); |
ret = write_pnm(filename, image); |
489 |
|
} else { |
490 |
|
ret = write_tga(filename, image); |
491 |
|
} |
492 |
|
|
493 |
|
return(ret); |
494 |
|
} |
495 |
|
|
496 |
for(loop=0; loop<YDIM/2; loop++) |
int write_tga(char *filename, unsigned char *image) |
497 |
{ |
{ |
498 |
/* Write U scanline */ |
FILE * f; |
499 |
fwrite(u, 1, XDIM/2, filehandle); |
char hdr[18]; |
500 |
|
|
501 |
/* Write V scanline */ |
f = fopen(filename, "wb"); |
502 |
fwrite(v, 1, XDIM/2, filehandle); |
if ( f == NULL) { |
503 |
|
return -1; |
504 |
|
} |
505 |
|
|
506 |
|
hdr[0] = 0; /* ID length */ |
507 |
|
hdr[1] = 0; /* Color map type */ |
508 |
|
hdr[2] = (BPP>1)?2:3; /* Uncompressed true color (2) or greymap (3) */ |
509 |
|
hdr[3] = 0; /* Color map specification (not used) */ |
510 |
|
hdr[4] = 0; /* Color map specification (not used) */ |
511 |
|
hdr[5] = 0; /* Color map specification (not used) */ |
512 |
|
hdr[6] = 0; /* Color map specification (not used) */ |
513 |
|
hdr[7] = 0; /* Color map specification (not used) */ |
514 |
|
hdr[8] = 0; /* LSB X origin */ |
515 |
|
hdr[9] = 0; /* MSB X origin */ |
516 |
|
hdr[10] = 0; /* LSB Y origin */ |
517 |
|
hdr[11] = 0; /* MSB Y origin */ |
518 |
|
hdr[12] = (XDIM>>0)&0xff; /* LSB Width */ |
519 |
|
hdr[13] = (XDIM>>8)&0xff; /* MSB Width */ |
520 |
|
if (BPP > 1) { |
521 |
|
hdr[14] = (YDIM>>0)&0xff; /* LSB Height */ |
522 |
|
hdr[15] = (YDIM>>8)&0xff; /* MSB Height */ |
523 |
|
} else { |
524 |
|
hdr[14] = ((YDIM*3)>>1)&0xff; /* LSB Height */ |
525 |
|
hdr[15] = ((YDIM*3)>>9)&0xff; /* MSB Height */ |
526 |
|
} |
527 |
|
hdr[16] = BPP*8; |
528 |
|
hdr[17] = 0x00 | (1<<5) /* Up to down */ | (0<<4); /* Image descriptor */ |
529 |
|
|
530 |
/* Update pointers */ |
/* Write header */ |
531 |
u += XDIM/2; |
fwrite(hdr, 1, sizeof(hdr), f); |
|
v += XDIM/2; |
|
532 |
|
|
533 |
|
#ifdef ARCH_IS_LITTLE_ENDIAN |
534 |
|
/* write first plane */ |
535 |
|
fwrite(image, 1, XDIM*YDIM*BPP, f); |
536 |
|
#else |
537 |
|
{ |
538 |
|
int i; |
539 |
|
for (i=0; i<width*height*BPP;i+=BPP) { |
540 |
|
if (BPP == 1) { |
541 |
|
fputc(image+i, f); |
542 |
|
} else if (BPP == 2) { |
543 |
|
fputc(image+i+1, f); |
544 |
|
fputc(image+i+0, f); |
545 |
|
} else if (BPP == 3) { |
546 |
|
fputc(image+i+2, f); |
547 |
|
fputc(image+i+1, f); |
548 |
|
fputc(image+i+0, f); |
549 |
|
} else if (BPP == 4) { |
550 |
|
fputc(image+i+3, f); |
551 |
|
fputc(image+i+2, f); |
552 |
|
fputc(image+i+1, f); |
553 |
|
fputc(image+i+0, f); |
554 |
} |
} |
555 |
|
} |
556 |
|
} |
557 |
|
#endif |
558 |
|
|
559 |
/* Close file */ |
/* Write Y and V planes for YUV formats */ |
560 |
fclose(filehandle); |
if (BPP == 1) { |
561 |
|
int i; |
562 |
|
|
563 |
|
/* Write the two chrominance planes */ |
564 |
|
for (i=0; i<YDIM/2; i++) { |
565 |
|
fwrite(image+XDIM*YDIM + i*XDIM/2, 1, XDIM/2, f); |
566 |
|
fwrite(image+5*XDIM*YDIM/4 + i*XDIM/2, 1, XDIM/2, f); |
567 |
|
} |
568 |
|
} |
569 |
|
|
570 |
|
|
571 |
|
/* Close the file */ |
572 |
|
fclose(f); |
573 |
|
|
574 |
return(0); |
return(0); |
575 |
} |
} |
576 |
else |
|
577 |
return(1); |
int write_pnm(char *filename, unsigned char *image) |
578 |
|
{ |
579 |
|
FILE * f; |
580 |
|
|
581 |
|
f = fopen(filename, "wb"); |
582 |
|
if ( f == NULL) { |
583 |
|
return -1; |
584 |
} |
} |
585 |
|
|
586 |
|
if (BPP == 1) { |
587 |
|
int i; |
588 |
|
fprintf(f, "P5\n#xvid\n%i %i\n255\n", XDIM, YDIM*3/2); |
589 |
|
|
590 |
|
fwrite(image, 1, XDIM*YDIM, f); |
591 |
|
|
592 |
|
for (i=0; i<YDIM/2;i++) { |
593 |
|
fwrite(image+XDIM*YDIM + i*XDIM/2, 1, XDIM/2, f); |
594 |
|
fwrite(image+5*XDIM*YDIM/4 + i*XDIM/2, 1, XDIM/2, f); |
595 |
|
} |
596 |
|
} else if (BPP == 3) { |
597 |
|
int i; |
598 |
|
fprintf(f, "P6\n#xvid\n%i %i\n255\n", XDIM, YDIM); |
599 |
|
for (i=0; i<XDIM*YDIM*3; i+=3) { |
600 |
|
#ifdef ARCH_IS_LITTLE_ENDIAN |
601 |
|
fputc(image[i+2], f); |
602 |
|
fputc(image[i+1], f); |
603 |
|
fputc(image[i+0], f); |
604 |
|
#else |
605 |
|
fputc(image[i+0], f); |
606 |
|
fputc(image[i+1], f); |
607 |
|
fputc(image[i+2], f); |
608 |
|
#endif |
609 |
|
} |
610 |
|
} |
611 |
|
|
612 |
|
fclose(f); |
613 |
|
|
614 |
|
return 0; |
615 |
|
} |
616 |
/***************************************************************************** |
/***************************************************************************** |
617 |
* Routines for decoding: init decoder, use, and stop decoder |
* Routines for decoding: init decoder, use, and stop decoder |
618 |
****************************************************************************/ |
****************************************************************************/ |
693 |
|
|
694 |
/* Output frame structure */ |
/* Output frame structure */ |
695 |
xvid_dec_frame.output.plane[0] = ostream; |
xvid_dec_frame.output.plane[0] = ostream; |
696 |
xvid_dec_frame.output.stride[0] = XDIM; |
xvid_dec_frame.output.stride[0] = XDIM*BPP; |
697 |
xvid_dec_frame.output.csp = XVID_CSP_I420; |
xvid_dec_frame.output.csp = CSP; |
698 |
|
|
699 |
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); |
700 |
|
|