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; |
79 |
****************************************************************************/ |
****************************************************************************/ |
80 |
|
|
81 |
static double msecond(); |
static double msecond(); |
|
static int write_pgm(char *filename, |
|
|
unsigned char *image); |
|
82 |
static int dec_init(int use_assembler, int debug_level); |
static int dec_init(int use_assembler, int debug_level); |
83 |
static int dec_main(unsigned char *istream, |
static int dec_main(unsigned char *istream, |
84 |
unsigned char *ostream, |
unsigned char *ostream, |
86 |
xvid_dec_stats_t *xvid_dec_stats); |
xvid_dec_stats_t *xvid_dec_stats); |
87 |
static int dec_stop(); |
static int dec_stop(); |
88 |
static void usage(); |
static void usage(); |
89 |
|
static int write_image(char *prefix, unsigned char *image); |
90 |
|
static int write_pnm(char *filename, unsigned char *image); |
91 |
|
static int write_tga(char *filename, unsigned char *image); |
92 |
|
|
93 |
const char * type2str(int type) |
const char * type2str(int type) |
94 |
{ |
{ |
130 |
printf("xvid_decraw - raw mpeg4 bitstream decoder "); |
printf("xvid_decraw - raw mpeg4 bitstream decoder "); |
131 |
printf("written by Christoph Lampert 2002-2003\n\n"); |
printf("written by Christoph Lampert 2002-2003\n\n"); |
132 |
|
|
133 |
|
memset(&xvid_dec_stats, 0x00, sizeof(xvid_dec_stats)); |
134 |
|
|
135 |
/***************************************************************************** |
/***************************************************************************** |
136 |
* Command line parsing |
* Command line parsing |
137 |
****************************************************************************/ |
****************************************************************************/ |
152 |
ARG_INPUTFILE = argv[i]; |
ARG_INPUTFILE = argv[i]; |
153 |
} else if (strcmp("-m", argv[i]) == 0) { |
} else if (strcmp("-m", argv[i]) == 0) { |
154 |
ARG_SAVEMPEGSTREAM = 1; |
ARG_SAVEMPEGSTREAM = 1; |
155 |
|
} else if (strcmp("-c", argv[i]) == 0 && i < argc - 1 ) { |
156 |
|
i++; |
157 |
|
if (strcmp(argv[i], "rgb16") == 0) { |
158 |
|
CSP = XVID_CSP_RGB555; |
159 |
|
BPP = 2; |
160 |
|
} else if (strcmp(argv[i], "rgb24") == 0) { |
161 |
|
CSP = XVID_CSP_BGR; |
162 |
|
BPP = 3; |
163 |
|
} else if (strcmp(argv[i], "rgb32") == 0) { |
164 |
|
CSP = XVID_CSP_BGRA; |
165 |
|
BPP = 4; |
166 |
|
} else if (strcmp(argv[i], "yv12") == 0) { |
167 |
|
CSP = XVID_CSP_YV12; |
168 |
|
BPP = 1; |
169 |
|
} else { |
170 |
|
CSP = XVID_CSP_I420; |
171 |
|
BPP = 1; |
172 |
|
} |
173 |
|
} else if (strcmp("-f", argv[i]) == 0 && i < argc -1) { |
174 |
|
i++; |
175 |
|
if (strcmp(argv[i], "tga") == 0) { |
176 |
|
FORMAT = USE_TGA; |
177 |
|
} else { |
178 |
|
FORMAT = USE_PNM; |
179 |
|
} |
180 |
} else if (strcmp("-help", argv[i]) == 0) { |
} else if (strcmp("-help", argv[i]) == 0) { |
181 |
usage(); |
usage(); |
182 |
return(0); |
return(0); |
186 |
} |
} |
187 |
} |
} |
188 |
|
|
189 |
|
#if defined(_MSC_VER) |
190 |
|
if (ARG_INPUTFILE==NULL) { |
191 |
|
fprintf(stderr, "Warning: MSVC build does not read EOF correctly from stdin. Use the -i switch.\n\n"); |
192 |
|
} |
193 |
|
#endif |
194 |
|
|
195 |
/***************************************************************************** |
/***************************************************************************** |
196 |
* Values checking |
* Values checking |
197 |
****************************************************************************/ |
****************************************************************************/ |
208 |
} |
} |
209 |
} |
} |
210 |
|
|
211 |
|
/* PNM/PGM format can't handle 16/32 bit data */ |
212 |
|
if (BPP != 1 && BPP != 3 && FORMAT == USE_PNM) { |
213 |
|
FORMAT = USE_TGA; |
214 |
|
} |
215 |
|
|
216 |
/***************************************************************************** |
/***************************************************************************** |
217 |
* Memory allocation |
* Memory allocation |
218 |
****************************************************************************/ |
****************************************************************************/ |
348 |
|
|
349 |
/* Save output frame if required */ |
/* Save output frame if required */ |
350 |
if (ARG_SAVEDECOUTPUT) { |
if (ARG_SAVEDECOUTPUT) { |
351 |
sprintf(filename, "%sdec%05d.pgm", filepath, filenr); |
sprintf(filename, "%sdec%05d", filepath, filenr); |
352 |
if(write_pgm(filename,out_buffer)) { |
if(write_image(filename, out_buffer)) { |
353 |
fprintf(stderr, |
fprintf(stderr, |
354 |
"Error writing decoded PGM frame %s\n", |
"Error writing decoded frame %s\n", |
355 |
filename); |
filename); |
356 |
} |
} |
357 |
} |
} |
389 |
|
|
390 |
/* Save output frame if required */ |
/* Save output frame if required */ |
391 |
if (ARG_SAVEDECOUTPUT) { |
if (ARG_SAVEDECOUTPUT) { |
392 |
sprintf(filename, "%sdec%05d.pgm", filepath, filenr); |
sprintf(filename, "%sdec%05d", filepath, filenr); |
393 |
if(write_pgm(filename, out_buffer)) { |
if(write_image(filename, out_buffer)) { |
394 |
fprintf(stderr, |
fprintf(stderr, |
395 |
"Error writing decoded PGM frame %s\n", |
"Error writing decoded frame %s\n", |
396 |
filename); |
filename); |
397 |
} |
} |
398 |
} |
} |
405 |
* Calculate totals and averages for output, print results |
* Calculate totals and averages for output, print results |
406 |
****************************************************************************/ |
****************************************************************************/ |
407 |
|
|
408 |
|
if (filenr>0) { |
409 |
totalsize /= filenr; |
totalsize /= filenr; |
410 |
totaldectime /= filenr; |
totaldectime /= filenr; |
|
|
|
411 |
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", |
412 |
totaldectime, 1000/totaldectime, (int)totalsize); |
totaldectime, 1000/totaldectime, (int)totalsize); |
413 |
|
}else{ |
414 |
|
printf("Nothing was decoded!\n"); |
415 |
|
} |
416 |
|
|
417 |
/***************************************************************************** |
/***************************************************************************** |
418 |
* XviD PART Stop |
* XviD PART Stop |
445 |
fprintf(stderr, " -debug : debug level (debug=0)\n"); |
fprintf(stderr, " -debug : debug level (debug=0)\n"); |
446 |
fprintf(stderr, " -i string : input filename (default=stdin)\n"); |
fprintf(stderr, " -i string : input filename (default=stdin)\n"); |
447 |
fprintf(stderr, " -d : save decoder output\n"); |
fprintf(stderr, " -d : save decoder output\n"); |
448 |
|
fprintf(stderr, " -c csp : choose colorspace output (rgb16, rgb24, rgb32, yv12, i420)\n"); |
449 |
|
fprintf(stderr, " -f format : choose output file format (tga, pnm, pgm)\n"); |
450 |
fprintf(stderr, " -m : save mpeg4 raw stream to individual files\n"); |
fprintf(stderr, " -m : save mpeg4 raw stream to individual files\n"); |
451 |
fprintf(stderr, " -help : This help message\n"); |
fprintf(stderr, " -help : This help message\n"); |
452 |
fprintf(stderr, " (* means default)\n"); |
fprintf(stderr, " (* means default)\n"); |
476 |
* output functions |
* output functions |
477 |
****************************************************************************/ |
****************************************************************************/ |
478 |
|
|
479 |
static int |
static int write_image(char *prefix, unsigned char *image) |
|
write_pgm(char *filename, |
|
|
unsigned char *image) |
|
480 |
{ |
{ |
481 |
int loop; |
char filename[1024]; |
482 |
|
char *ext; |
483 |
|
int ret; |
484 |
|
|
485 |
unsigned char *y = image; |
if (FORMAT == USE_PNM && BPP == 1) { |
486 |
unsigned char *u = image + XDIM*YDIM; |
ext = "pgm"; |
487 |
unsigned char *v = image + XDIM*YDIM + XDIM/2*YDIM/2; |
} else if (FORMAT == USE_PNM && BPP == 3) { |
488 |
|
ext = "pnm"; |
489 |
FILE *filehandle; |
} else if (FORMAT == USE_TGA) { |
490 |
filehandle=fopen(filename,"w+b"); |
ext = "tga"; |
491 |
if (filehandle) { |
} else { |
492 |
|
fprintf(stderr, "Bug: should not reach this path code -- please report to xvid-devel@xvid.org with command line options used"); |
493 |
|
exit(-1); |
494 |
|
} |
495 |
|
|
496 |
/* Write header */ |
sprintf(filename, "%s.%s", prefix, ext); |
|
fprintf(filehandle,"P5\n\n%d %d 255\n", XDIM,YDIM*3/2); |
|
497 |
|
|
498 |
/* Write Y data */ |
if (FORMAT == USE_PNM) { |
499 |
fwrite(y, 1, XDIM*YDIM, filehandle); |
ret = write_pnm(filename, image); |
500 |
|
} else { |
501 |
|
ret = write_tga(filename, image); |
502 |
|
} |
503 |
|
|
504 |
|
return(ret); |
505 |
|
} |
506 |
|
|
507 |
for(loop=0; loop<YDIM/2; loop++) |
static int write_tga(char *filename, unsigned char *image) |
508 |
{ |
{ |
509 |
/* Write U scanline */ |
FILE * f; |
510 |
fwrite(u, 1, XDIM/2, filehandle); |
char hdr[18]; |
511 |
|
|
512 |
/* Write V scanline */ |
f = fopen(filename, "wb"); |
513 |
fwrite(v, 1, XDIM/2, filehandle); |
if ( f == NULL) { |
514 |
|
return -1; |
515 |
|
} |
516 |
|
|
517 |
|
hdr[0] = 0; /* ID length */ |
518 |
|
hdr[1] = 0; /* Color map type */ |
519 |
|
hdr[2] = (BPP>1)?2:3; /* Uncompressed true color (2) or greymap (3) */ |
520 |
|
hdr[3] = 0; /* Color map specification (not used) */ |
521 |
|
hdr[4] = 0; /* Color map specification (not used) */ |
522 |
|
hdr[5] = 0; /* Color map specification (not used) */ |
523 |
|
hdr[6] = 0; /* Color map specification (not used) */ |
524 |
|
hdr[7] = 0; /* Color map specification (not used) */ |
525 |
|
hdr[8] = 0; /* LSB X origin */ |
526 |
|
hdr[9] = 0; /* MSB X origin */ |
527 |
|
hdr[10] = 0; /* LSB Y origin */ |
528 |
|
hdr[11] = 0; /* MSB Y origin */ |
529 |
|
hdr[12] = (XDIM>>0)&0xff; /* LSB Width */ |
530 |
|
hdr[13] = (XDIM>>8)&0xff; /* MSB Width */ |
531 |
|
if (BPP > 1) { |
532 |
|
hdr[14] = (YDIM>>0)&0xff; /* LSB Height */ |
533 |
|
hdr[15] = (YDIM>>8)&0xff; /* MSB Height */ |
534 |
|
} else { |
535 |
|
hdr[14] = ((YDIM*3)>>1)&0xff; /* LSB Height */ |
536 |
|
hdr[15] = ((YDIM*3)>>9)&0xff; /* MSB Height */ |
537 |
|
} |
538 |
|
hdr[16] = BPP*8; |
539 |
|
hdr[17] = 0x00 | (1<<5) /* Up to down */ | (0<<4); /* Image descriptor */ |
540 |
|
|
541 |
/* Update pointers */ |
/* Write header */ |
542 |
u += XDIM/2; |
fwrite(hdr, 1, sizeof(hdr), f); |
|
v += XDIM/2; |
|
543 |
|
|
544 |
|
#ifdef ARCH_IS_LITTLE_ENDIAN |
545 |
|
/* write first plane */ |
546 |
|
fwrite(image, 1, XDIM*YDIM*BPP, f); |
547 |
|
#else |
548 |
|
{ |
549 |
|
int i; |
550 |
|
for (i=0; i<width*height*BPP;i+=BPP) { |
551 |
|
if (BPP == 1) { |
552 |
|
fputc(image+i, f); |
553 |
|
} else if (BPP == 2) { |
554 |
|
fputc(image+i+1, f); |
555 |
|
fputc(image+i+0, f); |
556 |
|
} else if (BPP == 3) { |
557 |
|
fputc(image+i+2, f); |
558 |
|
fputc(image+i+1, f); |
559 |
|
fputc(image+i+0, f); |
560 |
|
} else if (BPP == 4) { |
561 |
|
fputc(image+i+3, f); |
562 |
|
fputc(image+i+2, f); |
563 |
|
fputc(image+i+1, f); |
564 |
|
fputc(image+i+0, f); |
565 |
|
} |
566 |
} |
} |
567 |
|
} |
568 |
|
#endif |
569 |
|
|
570 |
/* Close file */ |
/* Write Y and V planes for YUV formats */ |
571 |
fclose(filehandle); |
if (BPP == 1) { |
572 |
|
int i; |
573 |
|
|
574 |
|
/* Write the two chrominance planes */ |
575 |
|
for (i=0; i<YDIM/2; i++) { |
576 |
|
fwrite(image+XDIM*YDIM + i*XDIM/2, 1, XDIM/2, f); |
577 |
|
fwrite(image+5*XDIM*YDIM/4 + i*XDIM/2, 1, XDIM/2, f); |
578 |
|
} |
579 |
|
} |
580 |
|
|
581 |
|
|
582 |
|
/* Close the file */ |
583 |
|
fclose(f); |
584 |
|
|
585 |
return(0); |
return(0); |
586 |
} |
} |
587 |
else |
|
588 |
return(1); |
static int write_pnm(char *filename, unsigned char *image) |
589 |
|
{ |
590 |
|
FILE * f; |
591 |
|
|
592 |
|
f = fopen(filename, "wb"); |
593 |
|
if ( f == NULL) { |
594 |
|
return -1; |
595 |
|
} |
596 |
|
|
597 |
|
if (BPP == 1) { |
598 |
|
int i; |
599 |
|
fprintf(f, "P5\n#xvid\n%i %i\n255\n", XDIM, YDIM*3/2); |
600 |
|
|
601 |
|
fwrite(image, 1, XDIM*YDIM, f); |
602 |
|
|
603 |
|
for (i=0; i<YDIM/2;i++) { |
604 |
|
fwrite(image+XDIM*YDIM + i*XDIM/2, 1, XDIM/2, f); |
605 |
|
fwrite(image+5*XDIM*YDIM/4 + i*XDIM/2, 1, XDIM/2, f); |
606 |
|
} |
607 |
|
} else if (BPP == 3) { |
608 |
|
int i; |
609 |
|
fprintf(f, "P6\n#xvid\n%i %i\n255\n", XDIM, YDIM); |
610 |
|
for (i=0; i<XDIM*YDIM*3; i+=3) { |
611 |
|
#ifdef ARCH_IS_LITTLE_ENDIAN |
612 |
|
fputc(image[i+2], f); |
613 |
|
fputc(image[i+1], f); |
614 |
|
fputc(image[i+0], f); |
615 |
|
#else |
616 |
|
fputc(image[i+0], f); |
617 |
|
fputc(image[i+1], f); |
618 |
|
fputc(image[i+2], f); |
619 |
|
#endif |
620 |
|
} |
621 |
|
} |
622 |
|
|
623 |
|
fclose(f); |
624 |
|
|
625 |
|
return 0; |
626 |
} |
} |
627 |
|
|
628 |
/***************************************************************************** |
/***************************************************************************** |
638 |
xvid_gbl_init_t xvid_gbl_init; |
xvid_gbl_init_t xvid_gbl_init; |
639 |
xvid_dec_create_t xvid_dec_create; |
xvid_dec_create_t xvid_dec_create; |
640 |
|
|
641 |
|
/* Reset the structure with zeros */ |
642 |
|
memset(&xvid_gbl_init, 0, sizeof(xvid_gbl_init_t)); |
643 |
|
memset(&xvid_dec_create, 0, sizeof(xvid_dec_create_t)); |
644 |
|
|
645 |
/*------------------------------------------------------------------------ |
/*------------------------------------------------------------------------ |
646 |
* XviD core initialization |
* XviD core initialization |
647 |
*----------------------------------------------------------------------*/ |
*----------------------------------------------------------------------*/ |
695 |
int ret; |
int ret; |
696 |
|
|
697 |
xvid_dec_frame_t xvid_dec_frame; |
xvid_dec_frame_t xvid_dec_frame; |
698 |
|
memset(&xvid_dec_frame,0x00,sizeof(xvid_dec_frame)); |
699 |
|
|
700 |
/* Set version */ |
/* Set version */ |
701 |
xvid_dec_frame.version = XVID_VERSION; |
xvid_dec_frame.version = XVID_VERSION; |
710 |
|
|
711 |
/* Output frame structure */ |
/* Output frame structure */ |
712 |
xvid_dec_frame.output.plane[0] = ostream; |
xvid_dec_frame.output.plane[0] = ostream; |
713 |
xvid_dec_frame.output.stride[0] = XDIM; |
xvid_dec_frame.output.stride[0] = XDIM*BPP; |
714 |
xvid_dec_frame.output.csp = XVID_CSP_I420; |
xvid_dec_frame.output.csp = CSP; |
715 |
|
|
716 |
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); |
717 |
|
|