54 |
* Global vars in module and constants |
* Global vars in module and constants |
55 |
****************************************************************************/ |
****************************************************************************/ |
56 |
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/* max number of frames */ |
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#define ABS_MAXFRAMENR 9999 |
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57 |
#define USE_PNM 0 |
#define USE_PNM 0 |
58 |
#define USE_TGA 1 |
#define USE_TGA 1 |
59 |
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71 |
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72 |
#define BUFFER_SIZE (2*1024*1024) |
#define BUFFER_SIZE (2*1024*1024) |
73 |
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74 |
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static const int display_buffer_bytes = 0; |
75 |
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76 |
/***************************************************************************** |
/***************************************************************************** |
77 |
* Local prototypes |
* Local prototypes |
78 |
****************************************************************************/ |
****************************************************************************/ |
79 |
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80 |
static double msecond(); |
static double msecond(); |
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static int write_pgm(char *filename, |
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unsigned char *image); |
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81 |
static int dec_init(int use_assembler, int debug_level); |
static int dec_init(int use_assembler, int debug_level); |
82 |
static int dec_main(unsigned char *istream, |
static int dec_main(unsigned char *istream, |
83 |
unsigned char *ostream, |
unsigned char *ostream, |
85 |
xvid_dec_stats_t *xvid_dec_stats); |
xvid_dec_stats_t *xvid_dec_stats); |
86 |
static int dec_stop(); |
static int dec_stop(); |
87 |
static void usage(); |
static void usage(); |
88 |
int write_image(char *prefix, unsigned char *image); |
static int write_image(char *prefix, unsigned char *image); |
89 |
int write_pnm(char *filename, unsigned char *image); |
static int write_pnm(char *filename, unsigned char *image); |
90 |
int write_tga(char *filename, unsigned char *image); |
static int write_tga(char *filename, unsigned char *image); |
91 |
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92 |
const char * type2str(int type) |
const char * type2str(int type) |
93 |
{ |
{ |
110 |
unsigned char *mp4_ptr = NULL; |
unsigned char *mp4_ptr = NULL; |
111 |
unsigned char *out_buffer = NULL; |
unsigned char *out_buffer = NULL; |
112 |
int useful_bytes; |
int useful_bytes; |
113 |
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int chunk; |
114 |
xvid_dec_stats_t xvid_dec_stats; |
xvid_dec_stats_t xvid_dec_stats; |
115 |
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116 |
double totaldectime; |
double totaldectime; |
244 |
totalsize = 0; |
totalsize = 0; |
245 |
filenr = 0; |
filenr = 0; |
246 |
mp4_ptr = mp4_buffer; |
mp4_ptr = mp4_buffer; |
247 |
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chunk = 0; |
248 |
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249 |
do { |
do { |
250 |
int used_bytes = 0; |
int used_bytes = 0; |
303 |
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304 |
fprintf(stderr, "Resized frame buffer to %dx%d\n", XDIM, YDIM); |
fprintf(stderr, "Resized frame buffer to %dx%d\n", XDIM, YDIM); |
305 |
} |
} |
306 |
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307 |
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/* Save individual mpeg4 stream if required */ |
308 |
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if(ARG_SAVEMPEGSTREAM) { |
309 |
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FILE *filehandle = NULL; |
310 |
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311 |
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sprintf(filename, "%svolhdr.m4v", filepath); |
312 |
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filehandle = fopen(filename, "wb"); |
313 |
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if(!filehandle) { |
314 |
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fprintf(stderr, |
315 |
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"Error writing vol header mpeg4 stream to file %s\n", |
316 |
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filename); |
317 |
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} else { |
318 |
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fwrite(mp4_ptr, 1, used_bytes, filehandle); |
319 |
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fclose(filehandle); |
320 |
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} |
321 |
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} |
322 |
} |
} |
323 |
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324 |
/* Update buffer pointers */ |
/* Update buffer pointers */ |
330 |
totalsize += used_bytes; |
totalsize += used_bytes; |
331 |
} |
} |
332 |
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333 |
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if (display_buffer_bytes) { |
334 |
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printf("Data chunk %d: %d bytes consumed, %d bytes in buffer\n", chunk++, used_bytes, useful_bytes); |
335 |
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} |
336 |
}while(xvid_dec_stats.type <= 0 && useful_bytes > 0); |
}while(xvid_dec_stats.type <= 0 && useful_bytes > 0); |
337 |
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338 |
/* 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 |
344 |
totaldectime += dectime; |
totaldectime += dectime; |
345 |
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346 |
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347 |
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if (!display_buffer_bytes) { |
348 |
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", |
349 |
filenr, type2str(xvid_dec_stats.type), dectime, used_bytes); |
filenr, type2str(xvid_dec_stats.type), dectime, used_bytes); |
350 |
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} |
351 |
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352 |
/* Save individual mpeg4 stream if required */ |
/* Save individual mpeg4 stream if required */ |
353 |
if(ARG_SAVEMPEGSTREAM) { |
if(ARG_SAVEMPEGSTREAM) { |
371 |
sprintf(filename, "%sdec%05d", filepath, filenr); |
sprintf(filename, "%sdec%05d", filepath, filenr); |
372 |
if(write_image(filename, out_buffer)) { |
if(write_image(filename, out_buffer)) { |
373 |
fprintf(stderr, |
fprintf(stderr, |
374 |
"Error writing decoded PGM frame %s\n", |
"Error writing decoded frame %s\n", |
375 |
filename); |
filename); |
376 |
} |
} |
377 |
} |
} |
378 |
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379 |
filenr++; |
filenr++; |
380 |
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381 |
} while ( (status>=0) && (filenr<ABS_MAXFRAMENR)); |
} while (useful_bytes>0 || !feof(in_file)); |
382 |
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383 |
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useful_bytes = 0; /* Empty buffer */ |
384 |
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385 |
/***************************************************************************** |
/***************************************************************************** |
386 |
* Flush decoder buffers |
* Flush decoder buffers |
396 |
dectime = msecond(); |
dectime = msecond(); |
397 |
used_bytes = dec_main(NULL, out_buffer, -1, &xvid_dec_stats); |
used_bytes = dec_main(NULL, out_buffer, -1, &xvid_dec_stats); |
398 |
dectime = msecond() - dectime; |
dectime = msecond() - dectime; |
399 |
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if (display_buffer_bytes) { |
400 |
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printf("Data chunk %d: %d bytes consumed, %d bytes in buffer\n", chunk++, used_bytes, useful_bytes); |
401 |
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} |
402 |
}while(used_bytes>=0 && xvid_dec_stats.type <= 0); |
}while(used_bytes>=0 && xvid_dec_stats.type <= 0); |
403 |
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404 |
if (used_bytes < 0) { /* XVID_ERR_END */ |
if (used_bytes < 0) { /* XVID_ERR_END */ |
409 |
totaldectime += dectime; |
totaldectime += dectime; |
410 |
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411 |
/* Prints some decoding stats */ |
/* Prints some decoding stats */ |
412 |
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if (!display_buffer_bytes) { |
413 |
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", |
414 |
filenr, type2str(xvid_dec_stats.type), dectime, used_bytes); |
filenr, type2str(xvid_dec_stats.type), dectime, used_bytes); |
415 |
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} |
416 |
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417 |
/* Save output frame if required */ |
/* Save output frame if required */ |
418 |
if (ARG_SAVEDECOUTPUT) { |
if (ARG_SAVEDECOUTPUT) { |
503 |
* output functions |
* output functions |
504 |
****************************************************************************/ |
****************************************************************************/ |
505 |
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506 |
int write_image(char *prefix, unsigned char *image) |
static int write_image(char *prefix, unsigned char *image) |
507 |
{ |
{ |
508 |
char filename[1024]; |
char filename[1024]; |
509 |
char *ext; |
char *ext; |
531 |
return(ret); |
return(ret); |
532 |
} |
} |
533 |
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534 |
int write_tga(char *filename, unsigned char *image) |
static int write_tga(char *filename, unsigned char *image) |
535 |
{ |
{ |
536 |
FILE * f; |
FILE * f; |
537 |
char hdr[18]; |
char hdr[18]; |
612 |
return(0); |
return(0); |
613 |
} |
} |
614 |
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615 |
int write_pnm(char *filename, unsigned char *image) |
static int write_pnm(char *filename, unsigned char *image) |
616 |
{ |
{ |
617 |
FILE * f; |
FILE * f; |
618 |
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651 |
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652 |
return 0; |
return 0; |
653 |
} |
} |
654 |
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655 |
/***************************************************************************** |
/***************************************************************************** |
656 |
* Routines for decoding: init decoder, use, and stop decoder |
* Routines for decoding: init decoder, use, and stop decoder |
657 |
****************************************************************************/ |
****************************************************************************/ |
665 |
xvid_gbl_init_t xvid_gbl_init; |
xvid_gbl_init_t xvid_gbl_init; |
666 |
xvid_dec_create_t xvid_dec_create; |
xvid_dec_create_t xvid_dec_create; |
667 |
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668 |
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/* Reset the structure with zeros */ |
669 |
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memset(&xvid_gbl_init, 0, sizeof(xvid_gbl_init_t)); |
670 |
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memset(&xvid_dec_create, 0, sizeof(xvid_dec_create_t)); |
671 |
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672 |
/*------------------------------------------------------------------------ |
/*------------------------------------------------------------------------ |
673 |
* XviD core initialization |
* XviD core initialization |
674 |
*----------------------------------------------------------------------*/ |
*----------------------------------------------------------------------*/ |
723 |
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724 |
xvid_dec_frame_t xvid_dec_frame; |
xvid_dec_frame_t xvid_dec_frame; |
725 |
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726 |
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/* Reset all structures */ |
727 |
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memset(&xvid_dec_frame, 0, sizeof(xvid_dec_frame_t)); |
728 |
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memset(xvid_dec_stats, 0, sizeof(xvid_dec_stats_t)); |
729 |
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730 |
/* Set version */ |
/* Set version */ |
731 |
xvid_dec_frame.version = XVID_VERSION; |
xvid_dec_frame.version = XVID_VERSION; |
732 |
xvid_dec_stats->version = XVID_VERSION; |
xvid_dec_stats->version = XVID_VERSION; |