ivfdec.c

   1 /*
   2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
   3  *
   4  *  Use of this source code is governed by a BSD-style license
   5  *  that can be found in the LICENSE file in the root of the source
   6  *  tree. An additional intellectual property rights grant can be found
   7  *  in the file PATENTS.  All contributing project authors may
   8  *  be found in the AUTHORS file in the root of the source tree.
   9  */
  10
  11
  12 /* This is a simple program that reads ivf files and decodes them
  13  * using the new interface. Decoded frames are output as YV12 raw.
  14  */
  15 #include <stdio.h>
  16 #include <stdlib.h>
  17 #include <stdarg.h>
  18 #include <string.h>
  19 #define VPX_CODEC_DISABLE_COMPAT 1
  20 #include "vpx_config.h"
  21 #include "vpx/vpx_decoder.h"
  22 #include "vpx_ports/vpx_timer.h"
  23 #if CONFIG_VP8_DECODER
  24 #include "vpx/vp8dx.h"
  25 #endif
  26 #if CONFIG_MD5
  27 #include "md5_utils.h"
  28 #endif
  29
  30 static const char *exec_name;
  31
  32 static const struct
  33 {
  34     char const *name;
  35     const vpx_codec_iface_t *iface;
  36     unsigned int             fourcc;
  37     unsigned int             fourcc_mask;
  38 } ifaces[] =
  39 {
  40 #if CONFIG_VP8_DECODER
  41     {"vp8",  &vpx_codec_vp8_dx_algo,   0x00385056, 0x00FFFFFF},
  42 #endif
  43 };
  44
  45 #include "args.h"
  46 static const arg_def_t codecarg = ARG_DEF(NULL, "codec", 1,
  47                                   "Codec to use");
  48 static const arg_def_t prefixarg = ARG_DEF("p", "prefix", 1,
  49                                    "Prefix to use when saving frames");
  50 static const arg_def_t use_yv12 = ARG_DEF(NULL, "yv12", 0,
  51                                   "Output file is YV12 ");
  52 static const arg_def_t use_i420 = ARG_DEF(NULL, "i420", 0,
  53                                   "Output file is I420 (default)");
  54 static const arg_def_t flipuvarg = ARG_DEF(NULL, "flipuv", 0,
  55                                    "Synonym for --yv12");
  56 static const arg_def_t noblitarg = ARG_DEF(NULL, "noblit", 0,
  57                                    "Don't process the decoded frames");
  58 static const arg_def_t progressarg = ARG_DEF(NULL, "progress", 0,
  59                                      "Show progress after each frame decodes");
  60 static const arg_def_t limitarg = ARG_DEF(NULL, "limit", 1,
  61                                   "Stop decoding after n frames");
  62 static const arg_def_t postprocarg = ARG_DEF(NULL, "postproc", 0,
  63                                      "Postprocess decoded frames");
  64 static const arg_def_t summaryarg = ARG_DEF(NULL, "summary", 0,
  65                                     "Show timing summary");
  66 static const arg_def_t outputfile = ARG_DEF("o", "output", 1,
  67                                     "Output raw yv12 file instead of images");
  68 static const arg_def_t usey4marg = ARG_DEF("y", "y4m", 0,
  69                                     "Output file is YUV4MPEG2");
  70 static const arg_def_t threadsarg = ARG_DEF("t", "threads", 1,
  71                                     "Max threads to use");
  72 static const arg_def_t quietarg = ARG_DEF("q", "quiet", 0,
  73                                   "Suppress version string");
  74
  75 #if CONFIG_MD5
  76 static const arg_def_t md5arg = ARG_DEF(NULL, "md5", 0,
  77                                         "Compute the MD5 sum of the decoded frame");
  78 #endif
  79 static const arg_def_t *all_args[] =
  80 {
  81     &codecarg, &prefixarg, &use_yv12, &use_i420, &flipuvarg, &noblitarg,
  82     &progressarg, &limitarg, &postprocarg, &summaryarg, &outputfile,
  83     &usey4marg, &threadsarg, &quietarg,
  84 #if CONFIG_MD5
  85     &md5arg,
  86 #endif
  87     NULL
  88 };
  89
  90 #if CONFIG_VP8_DECODER
  91 static const arg_def_t addnoise_level = ARG_DEF(NULL, "noise-level", 1,
  92                                         "Enable VP8 postproc add noise");
  93 static const arg_def_t deblock = ARG_DEF(NULL, "deblock", 0,
  94                                  "Enable VP8 deblocking");
  95 static const arg_def_t demacroblock_level = ARG_DEF(NULL, "demacroblock-level", 1,
  96         "Enable VP8 demacroblocking, w/ level");
  97 static const arg_def_t pp_debug_info = ARG_DEF(NULL, "pp-debug-info", 1,
  98                                        "Enable VP8 visible debug info");
  99
 100
 101 static const arg_def_t *vp8_pp_args[] =
 102 {
 103     &addnoise_level, &deblock, &demacroblock_level, &pp_debug_info,
 104     NULL
 105 };
 106 #endif
 107
 108 static void usage_exit()
 109 {
 110     int i;
 111
 112     fprintf(stderr, "Usage: %s <options> filename\n\n"
 113             "Options:\n", exec_name);
 114     arg_show_usage(stderr, all_args);
 115 #if CONFIG_VP8_DECODER
 116     fprintf(stderr, "\nvp8 Postprocessing Options:\n");
 117     arg_show_usage(stderr, vp8_pp_args);
 118 #endif
 119     fprintf(stderr, "\nIncluded decoders:\n\n");
 120
 121     for (i = 0; i < sizeof(ifaces) / sizeof(ifaces[0]); i++)
 122         fprintf(stderr, "    %-6s - %s\n",
 123                 ifaces[i].name,
 124                 vpx_codec_iface_name(ifaces[i].iface));
 125
 126     exit(EXIT_FAILURE);
 127 }
 128
 129 void die(const char *fmt, ...)
 130 {
 131     va_list ap;
 132     va_start(ap, fmt);
 133     vfprintf(stderr, fmt, ap);
 134     fprintf(stderr, "\n");
 135     usage_exit();
 136 }
 137
 138 static unsigned int mem_get_le16(const void *vmem)
 139 {
 140     unsigned int  val;
 141     const unsigned char *mem = (const unsigned char *)vmem;
 142
 143     val = mem[1] << 8;
 144     val |= mem[0];
 145     return val;
 146 }
 147
 148 static unsigned int mem_get_le32(const void *vmem)
 149 {
 150     unsigned int  val;
 151     const unsigned char *mem = (const unsigned char *)vmem;
 152
 153     val = mem[3] << 24;
 154     val |= mem[2] << 16;
 155     val |= mem[1] << 8;
 156     val |= mem[0];
 157     return val;
 158 }
 159
 160 #define IVF_FRAME_HDR_SZ (sizeof(uint32_t) + sizeof(uint64_t))
 161 #define RAW_FRAME_HDR_SZ (sizeof(uint32_t))
 162 static int read_frame(FILE                  *infile,
 163                       uint8_t               **buf,
 164                       uint32_t              *buf_sz,
 165                       uint32_t              *buf_alloc_sz,
 166                       int                    is_ivf)
 167 {
 168     char     raw_hdr[IVF_FRAME_HDR_SZ];
 169     uint32_t new_buf_sz;
 170
 171     /* For both the raw and ivf formats, the frame size is the first 4 bytes
 172      * of the frame header. We just need to special case on the header
 173      * size.
 174      */
 175     if (fread(raw_hdr, is_ivf ? IVF_FRAME_HDR_SZ : RAW_FRAME_HDR_SZ, 1,
 176               infile) != 1)
 177     {
 178         if (!feof(infile))
 179             fprintf(stderr, "Failed to read frame size\n");
 180
 181         new_buf_sz = 0;
 182     }
 183     else
 184     {
 185         new_buf_sz = mem_get_le32(raw_hdr);
 186
 187         if (new_buf_sz > 256 * 1024 * 1024)
 188         {
 189             fprintf(stderr, "Error: Read invalid frame size (%u)\n",
 190                     new_buf_sz);
 191             new_buf_sz = 0;
 192         }
 193
 194         if (!is_ivf && new_buf_sz > 256 * 1024)
 195             fprintf(stderr, "Warning: Read invalid frame size (%u)"
 196                     " - not a raw file?\n", new_buf_sz);
 197
 198         if (new_buf_sz > *buf_alloc_sz)
 199         {
 200             uint8_t *new_buf = realloc(*buf, 2 * new_buf_sz);
 201
 202             if (new_buf)
 203             {
 204                 *buf = new_buf;
 205                 *buf_alloc_sz = 2 * new_buf_sz;
 206             }
 207             else
 208             {
 209                 fprintf(stderr, "Failed to allocate compressed data buffer\n");
 210                 new_buf_sz = 0;
 211             }
 212         }
 213     }
 214
 215     *buf_sz = new_buf_sz;
 216
 217     if (*buf_sz)
 218     {
 219         if (fread(*buf, 1, *buf_sz, infile) != *buf_sz)
 220         {
 221             fprintf(stderr, "Failed to read full frame\n");
 222             return 1;
 223         }
 224
 225         return 0;
 226     }
 227
 228     return 1;
 229 }
 230
 231 void *out_open(const char *out_fn, int do_md5)
 232 {
 233     void *out = NULL;
 234
 235     if (do_md5)
 236     {
 237 #if CONFIG_MD5
 238         MD5Context *md5_ctx = out = malloc(sizeof(MD5Context));
 239         (void)out_fn;
 240         MD5Init(md5_ctx);
 241 #endif
 242     }
 243     else
 244     {
 245         FILE *outfile = out = strcmp("-", out_fn) ? fopen(out_fn, "wb") : stdout;
 246
 247         if (!outfile)
 248         {
 249             fprintf(stderr, "Failed to output file");
 250             exit(EXIT_FAILURE);
 251         }
 252     }
 253
 254     return out;
 255 }
 256
 257 void out_put(void *out, const uint8_t *buf, unsigned int len, int do_md5)
 258 {
 259     if (do_md5)
 260     {
 261 #if CONFIG_MD5
 262         MD5Update(out, buf, len);
 263 #endif
 264     }
 265     else
 266     {
 267         fwrite(buf, 1, len, out);
 268     }
 269 }
 270
 271 void out_close(void *out, const char *out_fn, int do_md5)
 272 {
 273     if (do_md5)
 274     {
 275 #if CONFIG_MD5
 276         uint8_t md5[16];
 277         int i;
 278
 279         MD5Final(md5, out);
 280         free(out);
 281
 282         for (i = 0; i < 16; i++)
 283             printf("%02x", md5[i]);
 284
 285         printf("  %s\n", out_fn);
 286 #endif
 287     }
 288     else
 289     {
 290         fclose(out);
 291     }
 292 }
 293
 294 unsigned int file_is_ivf(FILE *infile,
 295                          unsigned int *fourcc,
 296                          unsigned int *width,
 297                          unsigned int *height,
 298                          unsigned int *timebase_num,
 299                          unsigned int *timebase_den)
 300 {
 301     char raw_hdr[32];
 302     int is_ivf = 0;
 303
 304     if (fread(raw_hdr, 1, 32, infile) == 32)
 305     {
 306         if (raw_hdr[0] == 'D' && raw_hdr[1] == 'K'
 307             && raw_hdr[2] == 'I' && raw_hdr[3] == 'F')
 308         {
 309             is_ivf = 1;
 310
 311             if (mem_get_le16(raw_hdr + 4) != 0)
 312                 fprintf(stderr, "Error: Unrecognized IVF version! This file may not"
 313                         " decode properly.");
 314
 315             *fourcc = mem_get_le32(raw_hdr + 8);
 316             *width = mem_get_le16(raw_hdr + 12);
 317             *height = mem_get_le16(raw_hdr + 14);
 318             *timebase_den = mem_get_le32(raw_hdr + 16);
 319             *timebase_num = mem_get_le32(raw_hdr + 20);
 320         }
 321     }
 322
 323     if (!is_ivf)
 324         rewind(infile);
 325
 326     return is_ivf;
 327 }
 328
 329 int main(int argc, const char **argv_)
 330 {
 331     vpx_codec_ctx_t          decoder;
 332     char                  *prefix = NULL, *fn = NULL;
 333     int                    i;
 334     uint8_t               *buf = NULL;
 335     uint32_t               buf_sz = 0, buf_alloc_sz = 0;
 336     FILE                  *infile;
 337     int                    frame_in = 0, frame_out = 0, flipuv = 0, noblit = 0, do_md5 = 0, progress = 0;
 338     int                    stop_after = 0, postproc = 0, summary = 0, quiet = 0;
 339     vpx_codec_iface_t       *iface = NULL;
 340     unsigned int           is_ivf, fourcc;
 341     unsigned long          dx_time = 0;
 342     struct arg               arg;
 343     char                   **argv, **argi, **argj;
 344     const char                   *fn2 = 0;
 345     int                     use_y4m = 0;
 346     unsigned int            width;
 347     unsigned int            height;
 348     unsigned int            timebase_num;
 349     unsigned int            timebase_den;
 350     void                   *out = NULL;
 351     vpx_codec_dec_cfg_t     cfg = {0};
 352 #if CONFIG_VP8_DECODER
 353     vp8_postproc_cfg_t      vp8_pp_cfg = {0};
 354 #endif
 355
 356     /* Parse command line */
 357     exec_name = argv_[0];
 358     argv = argv_dup(argc - 1, argv_ + 1);
 359
 360     for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
 361     {
 362         memset(&arg, 0, sizeof(arg));
 363         arg.argv_step = 1;
 364
 365         if (arg_match(&arg, &codecarg, argi))
 366         {
 367             int j, k = -1;
 368
 369             for (j = 0; j < sizeof(ifaces) / sizeof(ifaces[0]); j++)
 370                 if (!strcmp(ifaces[j].name, arg.val))
 371                     k = j;
 372
 373             if (k >= 0)
 374                 iface = ifaces[k].iface;
 375             else
 376                 die("Error: Unrecognized argument (%s) to --codec\n",
 377                     arg.val);
 378         }
 379         else if (arg_match(&arg, &outputfile, argi))
 380             fn2 = arg.val;
 381         else if (arg_match(&arg, &usey4marg, argi))
 382             use_y4m = 1;
 383         else if (arg_match(&arg, &prefixarg, argi))
 384             prefix = strdup(arg.val);
 385         else if (arg_match(&arg, &use_yv12, argi))
 386             flipuv = 1;
 387         else if (arg_match(&arg, &use_i420, argi))
 388             flipuv = 0;
 389         else if (arg_match(&arg, &flipuvarg, argi))
 390             flipuv = 1;
 391         else if (arg_match(&arg, &noblitarg, argi))
 392             noblit = 1;
 393         else if (arg_match(&arg, &progressarg, argi))
 394             progress = 1;
 395         else if (arg_match(&arg, &limitarg, argi))
 396             stop_after = arg_parse_uint(&arg);
 397         else if (arg_match(&arg, &postprocarg, argi))
 398             postproc = 1;
 399         else if (arg_match(&arg, &md5arg, argi))
 400             do_md5 = 1;
 401         else if (arg_match(&arg, &summaryarg, argi))
 402             summary = 1;
 403         else if (arg_match(&arg, &threadsarg, argi))
 404             cfg.threads = arg_parse_uint(&arg);
 405         else if (arg_match(&arg, &quietarg, argi))
 406             quiet = 1;
 407
 408 #if CONFIG_VP8_DECODER
 409         else if (arg_match(&arg, &addnoise_level, argi))
 410         {
 411             postproc = 1;
 412             vp8_pp_cfg.post_proc_flag |= VP8_ADDNOISE;
 413             vp8_pp_cfg.noise_level = arg_parse_uint(&arg);
 414         }
 415         else if (arg_match(&arg, &demacroblock_level, argi))
 416         {
 417             postproc = 1;
 418             vp8_pp_cfg.post_proc_flag |= VP8_DEMACROBLOCK;
 419             vp8_pp_cfg.deblocking_level = arg_parse_uint(&arg);
 420         }
 421         else if (arg_match(&arg, &deblock, argi))
 422         {
 423             postproc = 1;
 424             vp8_pp_cfg.post_proc_flag |= VP8_DEBLOCK;
 425         }
 426         else if (arg_match(&arg, &pp_debug_info, argi))
 427         {
 428             unsigned int level = arg_parse_uint(&arg);
 429
 430             postproc = 1;
 431             vp8_pp_cfg.post_proc_flag &= ~0x7;
 432
 433             if (level)
 434                 vp8_pp_cfg.post_proc_flag |= 8 << (level - 1);
 435         }
 436
 437 #endif
 438         else
 439             argj++;
 440     }
 441
 442     /* Check for unrecognized options */
 443     for (argi = argv; *argi; argi++)
 444         if (argi[0][0] == '-' && strlen(argi[0]) > 1)
 445             die("Error: Unrecognized option %s\n", *argi);
 446
 447     /* Handle non-option arguments */
 448     fn = argv[0];
 449
 450     if (!fn)
 451         usage_exit();
 452
 453     if (!prefix)
 454         prefix = strdup("img");
 455
 456     /* Open file */
 457     infile = strcmp(fn, "-") ? fopen(fn, "rb") : stdin;
 458
 459     if (!infile)
 460     {
 461         fprintf(stderr, "Failed to open file");
 462         return EXIT_FAILURE;
 463     }
 464
 465     if (fn2)
 466         out = out_open(fn2, do_md5);
 467
 468     is_ivf = file_is_ivf(infile, &fourcc, &width, &height,
 469                          &timebase_num, &timebase_den);
 470
 471     if (is_ivf)
 472     {
 473         if (use_y4m)
 474         {
 475             char buffer[128];
 476             if (!fn2)
 477             {
 478                 fprintf(stderr, "YUV4MPEG2 output only supported with -o.\n");
 479                 return EXIT_FAILURE;
 480             }
 481             /*Correct for the factor of 2 applied to the timebase in the
 482                encoder.*/
 483             if(timebase_den&1)timebase_num<<=1;
 484             else timebase_den>>=1;
 485             /*Note: We can't output an aspect ratio here because IVF doesn't
 486                store one, and neither does VP8.
 487               That will have to wait until these tools support WebM natively.*/
 488             sprintf(buffer, "YUV4MPEG2 C%s W%u H%u F%u:%u I%c\n",
 489                     "420jpeg", width, height, timebase_den, timebase_num, 'p');
 490             out_put(out, (unsigned char *)buffer, strlen(buffer), do_md5);
 491         }
 492
 493         /* Try to determine the codec from the fourcc. */
 494         for (i = 0; i < sizeof(ifaces) / sizeof(ifaces[0]); i++)
 495             if ((fourcc & ifaces[i].fourcc_mask) == ifaces[i].fourcc)
 496             {
 497                 vpx_codec_iface_t  *ivf_iface = ifaces[i].iface;
 498
 499                 if (iface && iface != ivf_iface)
 500                     fprintf(stderr, "Notice -- IVF header indicates codec: %s\n",
 501                             ifaces[i].name);
 502                 else
 503                     iface = ivf_iface;
 504
 505                 break;
 506             }
 507     }
 508     else if(use_y4m)
 509     {
 510         fprintf(stderr, "YUV4MPEG2 output only supported from IVF input.\n");
 511         return EXIT_FAILURE;
 512     }
 513
 514     if (vpx_codec_dec_init(&decoder, iface ? iface :  ifaces[0].iface, &cfg,
 515                            postproc ? VPX_CODEC_USE_POSTPROC : 0))
 516     {
 517         fprintf(stderr, "Failed to initialize decoder: %s\n", vpx_codec_error(&decoder));
 518         return EXIT_FAILURE;
 519     }
 520
 521     if (!quiet)
 522         fprintf(stderr, "%s\n", decoder.name);
 523
 524 #if CONFIG_VP8_DECODER
 525
 526     if (vp8_pp_cfg.post_proc_flag
 527         && vpx_codec_control(&decoder, VP8_SET_POSTPROC, &vp8_pp_cfg))
 528     {
 529         fprintf(stderr, "Failed to configure postproc: %s\n", vpx_codec_error(&decoder));
 530         return EXIT_FAILURE;
 531     }
 532
 533 #endif
 534
 535     /* Decode file */
 536     while (!read_frame(infile, &buf, &buf_sz, &buf_alloc_sz, is_ivf))
 537     {
 538         vpx_codec_iter_t  iter = NULL;
 539         vpx_image_t    *img;
 540         struct vpx_usec_timer timer;
 541
 542         vpx_usec_timer_start(&timer);
 543
 544         if (vpx_codec_decode(&decoder, buf, buf_sz, NULL, 0))
 545         {
 546             const char *detail = vpx_codec_error_detail(&decoder);
 547             fprintf(stderr, "Failed to decode frame: %s\n", vpx_codec_error(&decoder));
 548
 549             if (detail)
 550                 fprintf(stderr, "  Additional information: %s\n", detail);
 551
 552             goto fail;
 553         }
 554
 555         vpx_usec_timer_mark(&timer);
 556         dx_time += vpx_usec_timer_elapsed(&timer);
 557
 558         ++frame_in;
 559
 560         if (progress)
 561             fprintf(stderr, "decoded frame %d.\n", frame_in);
 562
 563         if ((img = vpx_codec_get_frame(&decoder, &iter)))
 564             ++frame_out;
 565
 566         if (!noblit)
 567         {
 568             if (img)
 569             {
 570                 unsigned int y;
 571                 char out_fn[128+24];
 572                 uint8_t *buf;
 573                 const char *sfx = flipuv ? "yv12" : "i420";
 574
 575                 if (!fn2)
 576                 {
 577                     sprintf(out_fn, "%s-%dx%d-%04d.%s",
 578                             prefix, img->d_w, img->d_h, frame_in, sfx);
 579                     out = out_open(out_fn, do_md5);
 580                 }
 581                 else if(use_y4m)
 582                     out_put(out, (unsigned char *)"FRAME\n", 6, do_md5);
 583
 584                 buf = img->planes[VPX_PLANE_Y];
 585
 586                 for (y = 0; y < img->d_h; y++)
 587                 {
 588                     out_put(out, buf, img->d_w, do_md5);
 589                     buf += img->stride[VPX_PLANE_Y];
 590                 }
 591
 592                 buf = img->planes[flipuv?VPX_PLANE_V:VPX_PLANE_U];
 593
 594                 for (y = 0; y < (1 + img->d_h) / 2; y++)
 595                 {
 596                     out_put(out, buf, (1 + img->d_w) / 2, do_md5);
 597                     buf += img->stride[VPX_PLANE_U];
 598                 }
 599
 600                 buf = img->planes[flipuv?VPX_PLANE_U:VPX_PLANE_V];
 601
 602                 for (y = 0; y < (1 + img->d_h) / 2; y++)
 603                 {
 604                     out_put(out, buf, (1 + img->d_w) / 2, do_md5);
 605                     buf += img->stride[VPX_PLANE_V];
 606                 }
 607
 608                 if (!fn2)
 609                     out_close(out, out_fn, do_md5);
 610             }
 611         }
 612
 613         if (stop_after && frame_in >= stop_after)
 614             break;
 615     }
 616
 617     if (summary)
 618     {
 619         fprintf(stderr, "%d decoded frames/%d showed frames in %lu us (%.2f fps)\n",
 620                 frame_in, frame_out, dx_time, (float)frame_out * 1000000.0 / (float)dx_time);
 621     }
 622
 623 fail:
 624
 625     if (vpx_codec_destroy(&decoder))
 626     {
 627         fprintf(stderr, "Failed to destroy decoder: %s\n", vpx_codec_error(&decoder));
 628         return EXIT_FAILURE;
 629     }
 630
 631     if (fn2)
 632         out_close(out, fn2, do_md5);
 633
 634     free(buf);
 635     fclose(infile);
 636     free(prefix);
 637     free(argv);
 638
 639     return EXIT_SUCCESS;
 640 }