Exemplo n.º 1
0
int main(int argc, const char **argv_) {
  unsigned int loops = 1, i;
  char **argv, **argi, **argj;
  struct arg arg;
  int error = 0;

  argv = argv_dup(argc - 1, argv_ + 1);
  for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
    memset(&arg, 0, sizeof(arg));
    arg.argv_step = 1;

    if (arg_match(&arg, &looparg, argi)) {
      loops = arg_parse_uint(&arg);
      break;
    }
  }
  free(argv);
  for (i = 0; !error && i < loops; i++) error = main_loop(argc, argv_);
  return error;
}
Exemplo n.º 2
0
int main_loop(int argc, const char **argv_) {
  vpx_codec_ctx_t       decoder;
  char                  *fn = NULL;
  int                    i;
  uint8_t               *buf = NULL;
  size_t                 bytes_in_buffer = 0, buffer_size = 0;
  FILE                  *infile;
  int                    frame_in = 0, frame_out = 0, flipuv = 0, noblit = 0;
  int                    do_md5 = 0, progress = 0;
  int                    stop_after = 0, postproc = 0, summary = 0, quiet = 1;
  int                    arg_skip = 0;
  int                    ec_enabled = 0;
  const VpxInterface *interface = NULL;
  const VpxInterface *fourcc_interface = NULL;
  uint64_t dx_time = 0;
  struct arg               arg;
  char                   **argv, **argi, **argj;

  int                     single_file;
  int                     use_y4m = 1;
  vpx_codec_dec_cfg_t     cfg = {0};
#if CONFIG_VP8_DECODER
  vp8_postproc_cfg_t      vp8_pp_cfg = {0};
  int                     vp8_dbg_color_ref_frame = 0;
  int                     vp8_dbg_color_mb_modes = 0;
  int                     vp8_dbg_color_b_modes = 0;
  int                     vp8_dbg_display_mv = 0;
#endif
  int                     frames_corrupted = 0;
  int                     dec_flags = 0;
  int                     do_scale = 0;
  vpx_image_t             *scaled_img = NULL;
  int                     frame_avail, got_data;
  int                     num_external_frame_buffers = 0;
  struct ExternalFrameBufferList ext_fb_list = {0};

  const char *outfile_pattern = NULL;
  char outfile_name[PATH_MAX] = {0};
  FILE *outfile = NULL;

  MD5Context md5_ctx;
  unsigned char md5_digest[16];

  struct VpxDecInputContext input = {0};
  struct VpxInputContext vpx_input_ctx = {0};
  struct WebmInputContext webm_ctx = {0};
  input.vpx_input_ctx = &vpx_input_ctx;
  input.webm_ctx = &webm_ctx;

  /* Parse command line */
  exec_name = argv_[0];
  argv = argv_dup(argc - 1, argv_ + 1);

  for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
    memset(&arg, 0, sizeof(arg));
    arg.argv_step = 1;

    if (arg_match(&arg, &codecarg, argi)) {
      interface = get_vpx_decoder_by_name(arg.val);
      if (!interface)
        die("Error: Unrecognized argument (%s) to --codec\n", arg.val);
    } else if (arg_match(&arg, &looparg, argi)) {
      // no-op
    } else if (arg_match(&arg, &outputfile, argi))
      outfile_pattern = arg.val;
    else if (arg_match(&arg, &use_yv12, argi)) {
      use_y4m = 0;
      flipuv = 1;
    } else if (arg_match(&arg, &use_i420, argi)) {
      use_y4m = 0;
      flipuv = 0;
    } else if (arg_match(&arg, &flipuvarg, argi))
      flipuv = 1;
    else if (arg_match(&arg, &noblitarg, argi))
      noblit = 1;
    else if (arg_match(&arg, &progressarg, argi))
      progress = 1;
    else if (arg_match(&arg, &limitarg, argi))
      stop_after = arg_parse_uint(&arg);
    else if (arg_match(&arg, &skiparg, argi))
      arg_skip = arg_parse_uint(&arg);
    else if (arg_match(&arg, &postprocarg, argi))
      postproc = 1;
    else if (arg_match(&arg, &md5arg, argi))
      do_md5 = 1;
    else if (arg_match(&arg, &summaryarg, argi))
      summary = 1;
    else if (arg_match(&arg, &threadsarg, argi))
      cfg.threads = arg_parse_uint(&arg);
    else if (arg_match(&arg, &verbosearg, argi))
      quiet = 0;
    else if (arg_match(&arg, &scalearg, argi))
      do_scale = 1;
    else if (arg_match(&arg, &fb_arg, argi))
      num_external_frame_buffers = arg_parse_uint(&arg);

#if CONFIG_VP8_DECODER
    else if (arg_match(&arg, &addnoise_level, argi)) {
      postproc = 1;
      vp8_pp_cfg.post_proc_flag |= VP8_ADDNOISE;
      vp8_pp_cfg.noise_level = arg_parse_uint(&arg);
    } else if (arg_match(&arg, &demacroblock_level, argi)) {
      postproc = 1;
      vp8_pp_cfg.post_proc_flag |= VP8_DEMACROBLOCK;
      vp8_pp_cfg.deblocking_level = arg_parse_uint(&arg);
    } else if (arg_match(&arg, &deblock, argi)) {
      postproc = 1;
      vp8_pp_cfg.post_proc_flag |= VP8_DEBLOCK;
    } else if (arg_match(&arg, &mfqe, argi)) {
      postproc = 1;
      vp8_pp_cfg.post_proc_flag |= VP8_MFQE;
    } else if (arg_match(&arg, &pp_debug_info, argi)) {
      unsigned int level = arg_parse_uint(&arg);

      postproc = 1;
      vp8_pp_cfg.post_proc_flag &= ~0x7;

      if (level)
        vp8_pp_cfg.post_proc_flag |= level;
    } else if (arg_match(&arg, &pp_disp_ref_frame, argi)) {
      unsigned int flags = arg_parse_int(&arg);
      if (flags) {
        postproc = 1;
        vp8_dbg_color_ref_frame = flags;
      }
    } else if (arg_match(&arg, &pp_disp_mb_modes, argi)) {
      unsigned int flags = arg_parse_int(&arg);
      if (flags) {
        postproc = 1;
        vp8_dbg_color_mb_modes = flags;
      }
    } else if (arg_match(&arg, &pp_disp_b_modes, argi)) {
      unsigned int flags = arg_parse_int(&arg);
      if (flags) {
        postproc = 1;
        vp8_dbg_color_b_modes = flags;
      }
    } else if (arg_match(&arg, &pp_disp_mvs, argi)) {
      unsigned int flags = arg_parse_int(&arg);
      if (flags) {
        postproc = 1;
        vp8_dbg_display_mv = flags;
      }
    } else if (arg_match(&arg, &error_concealment, argi)) {
      ec_enabled = 1;
    }

#endif
    else
      argj++;
  }

  /* Check for unrecognized options */
  for (argi = argv; *argi; argi++)
    if (argi[0][0] == '-' && strlen(argi[0]) > 1)
      die("Error: Unrecognized option %s\n", *argi);

  /* Handle non-option arguments */
  fn = argv[0];

  if (!fn)
    usage_exit();

  /* Open file */
  infile = strcmp(fn, "-") ? fopen(fn, "rb") : set_binary_mode(stdin);

  if (!infile) {
    fprintf(stderr, "Failed to open file '%s'", strcmp(fn, "-") ? fn : "stdin");
    return EXIT_FAILURE;
  }
#if CONFIG_OS_SUPPORT
  /* Make sure we don't dump to the terminal, unless forced to with -o - */
  if (!outfile_pattern && isatty(fileno(stdout)) && !do_md5 && !noblit) {
    fprintf(stderr,
            "Not dumping raw video to your terminal. Use '-o -' to "
            "override.\n");
    return EXIT_FAILURE;
  }
#endif
  input.vpx_input_ctx->file = infile;
  if (file_is_ivf(input.vpx_input_ctx))
    input.vpx_input_ctx->file_type = FILE_TYPE_IVF;
#if CONFIG_WEBM_IO
  else if (file_is_webm(input.webm_ctx, input.vpx_input_ctx))
    input.vpx_input_ctx->file_type = FILE_TYPE_WEBM;
#endif
  else if (file_is_raw(input.vpx_input_ctx))
    input.vpx_input_ctx->file_type = FILE_TYPE_RAW;
  else {
    fprintf(stderr, "Unrecognized input file type.\n");
#if !CONFIG_WEBM_IO
    fprintf(stderr, "vpxdec was built without WebM container support.\n");
#endif
    return EXIT_FAILURE;
  }

  outfile_pattern = outfile_pattern ? outfile_pattern : "-";
  single_file = is_single_file(outfile_pattern);

  if (!noblit && single_file) {
    generate_filename(outfile_pattern, outfile_name, PATH_MAX,
                      vpx_input_ctx.width, vpx_input_ctx.height, 0);
    if (do_md5)
      MD5Init(&md5_ctx);
    else
      outfile = open_outfile(outfile_name);
  }

  if (use_y4m && !noblit) {
    if (!single_file) {
      fprintf(stderr, "YUV4MPEG2 not supported with output patterns,"
              " try --i420 or --yv12.\n");
      return EXIT_FAILURE;
    }

#if CONFIG_WEBM_IO
    if (vpx_input_ctx.file_type == FILE_TYPE_WEBM) {
      if (webm_guess_framerate(input.webm_ctx, input.vpx_input_ctx)) {
        fprintf(stderr, "Failed to guess framerate -- error parsing "
                "webm file?\n");
        return EXIT_FAILURE;
      }
    }
#endif
  }

  fourcc_interface = get_vpx_decoder_by_fourcc(vpx_input_ctx.fourcc);
  if (interface && fourcc_interface && interface != fourcc_interface)
    warn("Header indicates codec: %s\n", fourcc_interface->name);
  else
    interface = fourcc_interface;

  if (!interface)
    interface = get_vpx_decoder_by_index(0);

  dec_flags = (postproc ? VPX_CODEC_USE_POSTPROC : 0) |
              (ec_enabled ? VPX_CODEC_USE_ERROR_CONCEALMENT : 0);
  if (vpx_codec_dec_init(&decoder, interface->interface(), &cfg, dec_flags)) {
    fprintf(stderr, "Failed to initialize decoder: %s\n",
            vpx_codec_error(&decoder));
    return EXIT_FAILURE;
  }

  if (!quiet)
    fprintf(stderr, "%s\n", decoder.name);

#if CONFIG_VP8_DECODER

  if (vp8_pp_cfg.post_proc_flag
      && vpx_codec_control(&decoder, VP8_SET_POSTPROC, &vp8_pp_cfg)) {
    fprintf(stderr, "Failed to configure postproc: %s\n", vpx_codec_error(&decoder));
    return EXIT_FAILURE;
  }

  if (vp8_dbg_color_ref_frame
      && vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_REF_FRAME, vp8_dbg_color_ref_frame)) {
    fprintf(stderr, "Failed to configure reference block visualizer: %s\n", vpx_codec_error(&decoder));
    return EXIT_FAILURE;
  }

  if (vp8_dbg_color_mb_modes
      && vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_MB_MODES, vp8_dbg_color_mb_modes)) {
    fprintf(stderr, "Failed to configure macro block visualizer: %s\n", vpx_codec_error(&decoder));
    return EXIT_FAILURE;
  }

  if (vp8_dbg_color_b_modes
      && vpx_codec_control(&decoder, VP8_SET_DBG_COLOR_B_MODES, vp8_dbg_color_b_modes)) {
    fprintf(stderr, "Failed to configure block visualizer: %s\n", vpx_codec_error(&decoder));
    return EXIT_FAILURE;
  }

  if (vp8_dbg_display_mv
      && vpx_codec_control(&decoder, VP8_SET_DBG_DISPLAY_MV, vp8_dbg_display_mv)) {
    fprintf(stderr, "Failed to configure motion vector visualizer: %s\n", vpx_codec_error(&decoder));
    return EXIT_FAILURE;
  }
#endif


  if (arg_skip)
    fprintf(stderr, "Skipping first %d frames.\n", arg_skip);
  while (arg_skip) {
    if (read_frame(&input, &buf, &bytes_in_buffer, &buffer_size))
      break;
    arg_skip--;
  }

  if (num_external_frame_buffers > 0) {
    ext_fb_list.num_external_frame_buffers = num_external_frame_buffers;
    ext_fb_list.ext_fb = (struct ExternalFrameBuffer *)calloc(
        num_external_frame_buffers, sizeof(*ext_fb_list.ext_fb));
    if (vpx_codec_set_frame_buffer_functions(
            &decoder, get_vp9_frame_buffer, release_vp9_frame_buffer,
            &ext_fb_list)) {
      fprintf(stderr, "Failed to configure external frame buffers: %s\n",
              vpx_codec_error(&decoder));
      return EXIT_FAILURE;
    }
  }

  frame_avail = 1;
  got_data = 0;

  /* Decode file */
  while (frame_avail || got_data) {
    vpx_codec_iter_t  iter = NULL;
    vpx_image_t    *img;
    struct vpx_usec_timer timer;
    int                   corrupted;

    frame_avail = 0;
    if (!stop_after || frame_in < stop_after) {
      if (!read_frame(&input, &buf, &bytes_in_buffer, &buffer_size)) {
        frame_avail = 1;
        frame_in++;

        vpx_usec_timer_start(&timer);

        if (vpx_codec_decode(&decoder, buf, (unsigned int)bytes_in_buffer,
                             NULL, 0)) {
          const char *detail = vpx_codec_error_detail(&decoder);
          warn("Failed to decode frame %d: %s",
               frame_in, vpx_codec_error(&decoder));

          if (detail)
            warn("Additional information: %s", detail);
          goto fail;
        }

        vpx_usec_timer_mark(&timer);
        dx_time += vpx_usec_timer_elapsed(&timer);
      }
    }

    vpx_usec_timer_start(&timer);

    got_data = 0;
    if ((img = vpx_codec_get_frame(&decoder, &iter))) {
      ++frame_out;
      got_data = 1;
    }

    vpx_usec_timer_mark(&timer);
    dx_time += (unsigned int)vpx_usec_timer_elapsed(&timer);

    if (vpx_codec_control(&decoder, VP8D_GET_FRAME_CORRUPTED, &corrupted)) {
      warn("Failed VP8_GET_FRAME_CORRUPTED: %s", vpx_codec_error(&decoder));
      goto fail;
    }
    frames_corrupted += corrupted;

    if (progress)
      show_progress(frame_in, frame_out, dx_time);

    if (!noblit && img) {
      const int PLANES_YUV[] = {VPX_PLANE_Y, VPX_PLANE_U, VPX_PLANE_V};
      const int PLANES_YVU[] = {VPX_PLANE_Y, VPX_PLANE_V, VPX_PLANE_U};
      const int *planes = flipuv ? PLANES_YVU : PLANES_YUV;

      if (do_scale) {
        if (frame_out == 1) {
          // If the output frames are to be scaled to a fixed display size then
          // use the width and height specified in the container. If either of
          // these is set to 0, use the display size set in the first frame
          // header. If that is unavailable, use the raw decoded size of the
          // first decoded frame.
          int display_width = vpx_input_ctx.width;
          int display_height = vpx_input_ctx.height;
          if (!display_width || !display_height) {
            int display_size[2];
            if (vpx_codec_control(&decoder, VP9D_GET_DISPLAY_SIZE,
                                  display_size)) {
              // As last resort use size of first frame as display size.
              display_width = img->d_w;
              display_height = img->d_h;
            } else {
              display_width = display_size[0];
              display_height = display_size[1];
            }
          }
          scaled_img = vpx_img_alloc(NULL, VPX_IMG_FMT_I420, display_width,
                                     display_height, 16);
        }

        if (img->d_w != scaled_img->d_w || img->d_h != scaled_img->d_h) {
          vpx_image_scale(img, scaled_img, kFilterBox);
          img = scaled_img;
        }
      }

      if (single_file) {
        if (use_y4m) {
          char buf[Y4M_BUFFER_SIZE] = {0};
          size_t len = 0;
          if (frame_out == 1) {
            // Y4M file header
            len = y4m_write_file_header(buf, sizeof(buf),
                                        vpx_input_ctx.width,
                                        vpx_input_ctx.height,
                                        &vpx_input_ctx.framerate, img->fmt);
            if (do_md5) {
              MD5Update(&md5_ctx, (md5byte *)buf, (unsigned int)len);
            } else {
              fputs(buf, outfile);
            }
          }

          // Y4M frame header
          len = y4m_write_frame_header(buf, sizeof(buf));
          if (do_md5) {
            MD5Update(&md5_ctx, (md5byte *)buf, (unsigned int)len);
          } else {
            fputs(buf, outfile);
          }
        }

        if (do_md5) {
          update_image_md5(img, planes, &md5_ctx);
        } else {
          write_image_file(img, planes, outfile);
        }
      } else {
        generate_filename(outfile_pattern, outfile_name, PATH_MAX,
                          img->d_w, img->d_h, frame_in);
        if (do_md5) {
          MD5Init(&md5_ctx);
          update_image_md5(img, planes, &md5_ctx);
          MD5Final(md5_digest, &md5_ctx);
          print_md5(md5_digest, outfile_name);
        } else {
          outfile = open_outfile(outfile_name);
          write_image_file(img, planes, outfile);
          fclose(outfile);
        }
      }
    }

    if (stop_after && frame_in >= stop_after)
      break;
  }

  if (summary || progress) {
    show_progress(frame_in, frame_out, dx_time);
    fprintf(stderr, "\n");
  }

  if (frames_corrupted)
    fprintf(stderr, "WARNING: %d frames corrupted.\n", frames_corrupted);

fail:

  if (vpx_codec_destroy(&decoder)) {
    fprintf(stderr, "Failed to destroy decoder: %s\n",
            vpx_codec_error(&decoder));
    return EXIT_FAILURE;
  }

  if (!noblit && single_file) {
    if (do_md5) {
      MD5Final(md5_digest, &md5_ctx);
      print_md5(md5_digest, outfile_name);
    } else {
      fclose(outfile);
    }
  }

#if CONFIG_WEBM_IO
  if (input.vpx_input_ctx->file_type == FILE_TYPE_WEBM)
    webm_free(input.webm_ctx);
#endif

  if (input.vpx_input_ctx->file_type != FILE_TYPE_WEBM)
    free(buf);

  if (scaled_img) vpx_img_free(scaled_img);

  for (i = 0; i < ext_fb_list.num_external_frame_buffers; ++i) {
    free(ext_fb_list.ext_fb[i].data);
  }
  free(ext_fb_list.ext_fb);

  fclose(infile);
  free(argv);

  return frames_corrupted ? EXIT_FAILURE : EXIT_SUCCESS;
}
Exemplo n.º 3
0
static int main_loop(int argc, const char **argv_) {
  aom_codec_ctx_t decoder;
  char *fn = NULL;
  int i;
  int ret = EXIT_FAILURE;
  uint8_t *buf = NULL;
  size_t bytes_in_buffer = 0, buffer_size = 0;
  FILE *infile;
  int frame_in = 0, frame_out = 0, flipuv = 0, noblit = 0;
  int do_md5 = 0, progress = 0, frame_parallel = 0;
  int stop_after = 0, postproc = 0, summary = 0, quiet = 1;
  int arg_skip = 0;
  int ec_enabled = 0;
  int keep_going = 0;
  const AvxInterface *interface = NULL;
  const AvxInterface *fourcc_interface = NULL;
  uint64_t dx_time = 0;
  struct arg arg;
  char **argv, **argi, **argj;

  int single_file;
  int use_y4m = 1;
  int opt_yv12 = 0;
  int opt_i420 = 0;
  aom_codec_dec_cfg_t cfg = { 0, 0, 0 };
#if CONFIG_AOM_HIGHBITDEPTH
  unsigned int output_bit_depth = 0;
#endif
#if CONFIG_EXT_TILE
  int tile_row = -1;
  int tile_col = -1;
#endif  // CONFIG_EXT_TILE
  int frames_corrupted = 0;
  int dec_flags = 0;
  int do_scale = 0;
  aom_image_t *scaled_img = NULL;
#if CONFIG_AOM_HIGHBITDEPTH
  aom_image_t *img_shifted = NULL;
#endif
  int frame_avail, got_data, flush_decoder = 0;
  int num_external_frame_buffers = 0;
  struct ExternalFrameBufferList ext_fb_list = { 0, NULL };

  const char *outfile_pattern = NULL;
  char outfile_name[PATH_MAX] = { 0 };
  FILE *outfile = NULL;

  FILE *framestats_file = NULL;

  MD5Context md5_ctx;
  unsigned char md5_digest[16];

  struct AvxDecInputContext input = { NULL, NULL };
  struct AvxInputContext aom_input_ctx;
#if CONFIG_WEBM_IO
  struct WebmInputContext webm_ctx;
  memset(&(webm_ctx), 0, sizeof(webm_ctx));
  input.webm_ctx = &webm_ctx;
#endif
  input.aom_input_ctx = &aom_input_ctx;

  /* Parse command line */
  exec_name = argv_[0];
  argv = argv_dup(argc - 1, argv_ + 1);

  for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
    memset(&arg, 0, sizeof(arg));
    arg.argv_step = 1;

    if (arg_match(&arg, &codecarg, argi)) {
      interface = get_aom_decoder_by_name(arg.val);
      if (!interface)
        die("Error: Unrecognized argument (%s) to --codec\n", arg.val);
    } else if (arg_match(&arg, &looparg, argi)) {
      // no-op
    } else if (arg_match(&arg, &outputfile, argi)) {
      outfile_pattern = arg.val;
    } else if (arg_match(&arg, &use_yv12, argi)) {
      use_y4m = 0;
      flipuv = 1;
      opt_yv12 = 1;
    } else if (arg_match(&arg, &use_i420, argi)) {
      use_y4m = 0;
      flipuv = 0;
      opt_i420 = 1;
    } else if (arg_match(&arg, &rawvideo, argi)) {
      use_y4m = 0;
    } else if (arg_match(&arg, &flipuvarg, argi)) {
      flipuv = 1;
    } else if (arg_match(&arg, &noblitarg, argi)) {
      noblit = 1;
    } else if (arg_match(&arg, &progressarg, argi)) {
      progress = 1;
    } else if (arg_match(&arg, &limitarg, argi)) {
      stop_after = arg_parse_uint(&arg);
    } else if (arg_match(&arg, &skiparg, argi)) {
      arg_skip = arg_parse_uint(&arg);
    } else if (arg_match(&arg, &postprocarg, argi)) {
      postproc = 1;
    } else if (arg_match(&arg, &md5arg, argi)) {
      do_md5 = 1;
    } else if (arg_match(&arg, &framestatsarg, argi)) {
      framestats_file = fopen(arg.val, "w");
      if (!framestats_file) {
        die("Error: Could not open --framestats file (%s) for writing.\n",
            arg.val);
      }
    } else if (arg_match(&arg, &summaryarg, argi)) {
      summary = 1;
    } else if (arg_match(&arg, &threadsarg, argi)) {
      cfg.threads = arg_parse_uint(&arg);
    }
#if CONFIG_AV1_DECODER
    else if (arg_match(&arg, &frameparallelarg, argi))
      frame_parallel = 1;
#endif
    else if (arg_match(&arg, &verbosearg, argi))
      quiet = 0;
    else if (arg_match(&arg, &scalearg, argi))
      do_scale = 1;
    else if (arg_match(&arg, &fb_arg, argi))
      num_external_frame_buffers = arg_parse_uint(&arg);
    else if (arg_match(&arg, &continuearg, argi))
      keep_going = 1;
#if CONFIG_AOM_HIGHBITDEPTH
    else if (arg_match(&arg, &outbitdeptharg, argi)) {
      output_bit_depth = arg_parse_uint(&arg);
    }
#endif
#if CONFIG_EXT_TILE
    else if (arg_match(&arg, &tiler, argi))
      tile_row = arg_parse_int(&arg);
    else if (arg_match(&arg, &tilec, argi))
      tile_col = arg_parse_int(&arg);
#endif  // CONFIG_EXT_TILE
    else
      argj++;
  }

  /* Check for unrecognized options */
  for (argi = argv; *argi; argi++)
    if (argi[0][0] == '-' && strlen(argi[0]) > 1)
      die("Error: Unrecognized option %s\n", *argi);

  /* Handle non-option arguments */
  fn = argv[0];

  if (!fn) {
    free(argv);
    usage_exit();
  }
  /* Open file */
  infile = strcmp(fn, "-") ? fopen(fn, "rb") : set_binary_mode(stdin);

  if (!infile) {
    fatal("Failed to open input file '%s'", strcmp(fn, "-") ? fn : "stdin");
  }
#if CONFIG_OS_SUPPORT
  /* Make sure we don't dump to the terminal, unless forced to with -o - */
  if (!outfile_pattern && isatty(STDOUT_FILENO) && !do_md5 && !noblit) {
    fprintf(stderr,
            "Not dumping raw video to your terminal. Use '-o -' to "
            "override.\n");
    return EXIT_FAILURE;
  }
#endif
  input.aom_input_ctx->file = infile;
  if (file_is_ivf(input.aom_input_ctx))
    input.aom_input_ctx->file_type = FILE_TYPE_IVF;
#if CONFIG_WEBM_IO
  else if (file_is_webm(input.webm_ctx, input.aom_input_ctx))
    input.aom_input_ctx->file_type = FILE_TYPE_WEBM;
#endif
  else if (file_is_raw(input.aom_input_ctx))
    input.aom_input_ctx->file_type = FILE_TYPE_RAW;
  else {
    fprintf(stderr, "Unrecognized input file type.\n");
#if !CONFIG_WEBM_IO
    fprintf(stderr, "aomdec was built without WebM container support.\n");
#endif
    return EXIT_FAILURE;
  }

  outfile_pattern = outfile_pattern ? outfile_pattern : "-";
  single_file = is_single_file(outfile_pattern);

  if (!noblit && single_file) {
    generate_filename(outfile_pattern, outfile_name, PATH_MAX,
                      aom_input_ctx.width, aom_input_ctx.height, 0);
    if (do_md5)
      MD5Init(&md5_ctx);
    else
      outfile = open_outfile(outfile_name);
  }

  if (use_y4m && !noblit) {
    if (!single_file) {
      fprintf(stderr,
              "YUV4MPEG2 not supported with output patterns,"
              " try --i420 or --yv12 or --rawvideo.\n");
      return EXIT_FAILURE;
    }

#if CONFIG_WEBM_IO
    if (aom_input_ctx.file_type == FILE_TYPE_WEBM) {
      if (webm_guess_framerate(input.webm_ctx, input.aom_input_ctx)) {
        fprintf(stderr,
                "Failed to guess framerate -- error parsing "
                "webm file?\n");
        return EXIT_FAILURE;
      }
    }
#endif
  }

  fourcc_interface = get_aom_decoder_by_fourcc(aom_input_ctx.fourcc);
  if (interface && fourcc_interface && interface != fourcc_interface)
    warn("Header indicates codec: %s\n", fourcc_interface->name);
  else
    interface = fourcc_interface;

  if (!interface) interface = get_aom_decoder_by_index(0);

  dec_flags = (postproc ? AOM_CODEC_USE_POSTPROC : 0) |
              (ec_enabled ? AOM_CODEC_USE_ERROR_CONCEALMENT : 0) |
              (frame_parallel ? AOM_CODEC_USE_FRAME_THREADING : 0);
  if (aom_codec_dec_init(&decoder, interface->codec_interface(), &cfg,
                         dec_flags)) {
    fprintf(stderr, "Failed to initialize decoder: %s\n",
            aom_codec_error(&decoder));
    goto fail2;
  }

  if (!quiet) fprintf(stderr, "%s\n", decoder.name);

#if CONFIG_AV1_DECODER && CONFIG_EXT_TILE
  if (aom_codec_control(&decoder, AV1_SET_DECODE_TILE_ROW, tile_row)) {
    fprintf(stderr, "Failed to set decode_tile_row: %s\n",
            aom_codec_error(&decoder));
    goto fail;
  }

  if (aom_codec_control(&decoder, AV1_SET_DECODE_TILE_COL, tile_col)) {
    fprintf(stderr, "Failed to set decode_tile_col: %s\n",
            aom_codec_error(&decoder));
    goto fail;
  }
#endif

  if (arg_skip) fprintf(stderr, "Skipping first %d frames.\n", arg_skip);
  while (arg_skip) {
    if (read_frame(&input, &buf, &bytes_in_buffer, &buffer_size)) break;
    arg_skip--;
  }

  if (num_external_frame_buffers > 0) {
    ext_fb_list.num_external_frame_buffers = num_external_frame_buffers;
    ext_fb_list.ext_fb = (struct ExternalFrameBuffer *)calloc(
        num_external_frame_buffers, sizeof(*ext_fb_list.ext_fb));
    if (aom_codec_set_frame_buffer_functions(&decoder, get_av1_frame_buffer,
                                             release_av1_frame_buffer,
                                             &ext_fb_list)) {
      fprintf(stderr, "Failed to configure external frame buffers: %s\n",
              aom_codec_error(&decoder));
      goto fail;
    }
  }

  frame_avail = 1;
  got_data = 0;

  if (framestats_file) fprintf(framestats_file, "bytes,qp\r\n");

  /* Decode file */
  while (frame_avail || got_data) {
    aom_codec_iter_t iter = NULL;
    aom_image_t *img;
    struct aom_usec_timer timer;
    int corrupted = 0;

    frame_avail = 0;
    if (!stop_after || frame_in < stop_after) {
      if (!read_frame(&input, &buf, &bytes_in_buffer, &buffer_size)) {
        frame_avail = 1;
        frame_in++;

        aom_usec_timer_start(&timer);

        if (aom_codec_decode(&decoder, buf, (unsigned int)bytes_in_buffer, NULL,
                             0)) {
          const char *detail = aom_codec_error_detail(&decoder);
          warn("Failed to decode frame %d: %s", frame_in,
               aom_codec_error(&decoder));

          if (detail) warn("Additional information: %s", detail);
          if (!keep_going) goto fail;
        }

        if (framestats_file) {
          int qp;
          if (aom_codec_control(&decoder, AOMD_GET_LAST_QUANTIZER, &qp)) {
            warn("Failed AOMD_GET_LAST_QUANTIZER: %s",
                 aom_codec_error(&decoder));
            if (!keep_going) goto fail;
          }
          fprintf(framestats_file, "%d,%d\r\n", (int)bytes_in_buffer, qp);
        }

        aom_usec_timer_mark(&timer);
        dx_time += aom_usec_timer_elapsed(&timer);
      } else {
        flush_decoder = 1;
      }
    } else {
      flush_decoder = 1;
    }

    aom_usec_timer_start(&timer);

    if (flush_decoder) {
      // Flush the decoder in frame parallel decode.
      if (aom_codec_decode(&decoder, NULL, 0, NULL, 0)) {
        warn("Failed to flush decoder: %s", aom_codec_error(&decoder));
      }
    }

    got_data = 0;
    if ((img = aom_codec_get_frame(&decoder, &iter))) {
      ++frame_out;
      got_data = 1;
    }

    aom_usec_timer_mark(&timer);
    dx_time += (unsigned int)aom_usec_timer_elapsed(&timer);

    if (!frame_parallel &&
        aom_codec_control(&decoder, AOMD_GET_FRAME_CORRUPTED, &corrupted)) {
      warn("Failed AOM_GET_FRAME_CORRUPTED: %s", aom_codec_error(&decoder));
      if (!keep_going) goto fail;
    }
    frames_corrupted += corrupted;

    if (progress) show_progress(frame_in, frame_out, dx_time);

    if (!noblit && img) {
      const int PLANES_YUV[] = { AOM_PLANE_Y, AOM_PLANE_U, AOM_PLANE_V };
      const int PLANES_YVU[] = { AOM_PLANE_Y, AOM_PLANE_V, AOM_PLANE_U };
      const int *planes = flipuv ? PLANES_YVU : PLANES_YUV;

      if (do_scale) {
        if (frame_out == 1) {
          // If the output frames are to be scaled to a fixed display size then
          // use the width and height specified in the container. If either of
          // these is set to 0, use the display size set in the first frame
          // header. If that is unavailable, use the raw decoded size of the
          // first decoded frame.
          int render_width = aom_input_ctx.width;
          int render_height = aom_input_ctx.height;
          if (!render_width || !render_height) {
            int render_size[2];
            if (aom_codec_control(&decoder, AV1D_GET_DISPLAY_SIZE,
                                  render_size)) {
              // As last resort use size of first frame as display size.
              render_width = img->d_w;
              render_height = img->d_h;
            } else {
              render_width = render_size[0];
              render_height = render_size[1];
            }
          }
          scaled_img =
              aom_img_alloc(NULL, img->fmt, render_width, render_height, 16);
          scaled_img->bit_depth = img->bit_depth;
        }

        if (img->d_w != scaled_img->d_w || img->d_h != scaled_img->d_h) {
#if CONFIG_LIBYUV
          libyuv_scale(img, scaled_img, kFilterBox);
          img = scaled_img;
#else
          fprintf(stderr,
                  "Failed  to scale output frame: %s.\n"
                  "Scaling is disabled in this configuration. "
                  "To enable scaling, configure with --enable-libyuv\n",
                  aom_codec_error(&decoder));
          goto fail;
#endif
        }
      }
#if CONFIG_AOM_HIGHBITDEPTH
      // Default to codec bit depth if output bit depth not set
      if (!output_bit_depth && single_file && !do_md5) {
        output_bit_depth = img->bit_depth;
      }
      // Shift up or down if necessary
      if (output_bit_depth != 0 && output_bit_depth != img->bit_depth) {
        const aom_img_fmt_t shifted_fmt =
            output_bit_depth == 8
                ? img->fmt ^ (img->fmt & AOM_IMG_FMT_HIGHBITDEPTH)
                : img->fmt | AOM_IMG_FMT_HIGHBITDEPTH;
        if (img_shifted &&
            img_shifted_realloc_required(img, img_shifted, shifted_fmt)) {
          aom_img_free(img_shifted);
          img_shifted = NULL;
        }
        if (!img_shifted) {
          img_shifted =
              aom_img_alloc(NULL, shifted_fmt, img->d_w, img->d_h, 16);
          img_shifted->bit_depth = output_bit_depth;
        }
        if (output_bit_depth > img->bit_depth) {
          aom_img_upshift(img_shifted, img, output_bit_depth - img->bit_depth);
        } else {
          aom_img_downshift(img_shifted, img,
                            img->bit_depth - output_bit_depth);
        }
        img = img_shifted;
      }
#endif

#if CONFIG_EXT_TILE
      aom_input_ctx.width = img->d_w;
      aom_input_ctx.height = img->d_h;
#endif  // CONFIG_EXT_TILE

      if (single_file) {
        if (use_y4m) {
          char y4m_buf[Y4M_BUFFER_SIZE] = { 0 };
          size_t len = 0;
          if (img->fmt == AOM_IMG_FMT_I440 || img->fmt == AOM_IMG_FMT_I44016) {
            fprintf(stderr, "Cannot produce y4m output for 440 sampling.\n");
            goto fail;
          }
          if (frame_out == 1) {
            // Y4M file header
            len = y4m_write_file_header(
                y4m_buf, sizeof(y4m_buf), aom_input_ctx.width,
                aom_input_ctx.height, &aom_input_ctx.framerate, img->fmt,
                img->bit_depth);
            if (do_md5) {
              MD5Update(&md5_ctx, (md5byte *)y4m_buf, (unsigned int)len);
            } else {
              fputs(y4m_buf, outfile);
            }
          }

          // Y4M frame header
          len = y4m_write_frame_header(y4m_buf, sizeof(y4m_buf));
          if (do_md5) {
            MD5Update(&md5_ctx, (md5byte *)y4m_buf, (unsigned int)len);
          } else {
            fputs(y4m_buf, outfile);
          }
        } else {
          if (frame_out == 1) {
            // Check if --yv12 or --i420 options are consistent with the
            // bit-stream decoded
            if (opt_i420) {
              if (img->fmt != AOM_IMG_FMT_I420 &&
                  img->fmt != AOM_IMG_FMT_I42016) {
                fprintf(stderr, "Cannot produce i420 output for bit-stream.\n");
                goto fail;
              }
            }
            if (opt_yv12) {
              if ((img->fmt != AOM_IMG_FMT_I420 &&
                   img->fmt != AOM_IMG_FMT_YV12) ||
                  img->bit_depth != 8) {
                fprintf(stderr, "Cannot produce yv12 output for bit-stream.\n");
                goto fail;
              }
            }
          }
        }

        if (do_md5) {
          update_image_md5(img, planes, &md5_ctx);
        } else {
          write_image_file(img, planes, outfile);
        }
      } else {
        generate_filename(outfile_pattern, outfile_name, PATH_MAX, img->d_w,
                          img->d_h, frame_in);
        if (do_md5) {
          MD5Init(&md5_ctx);
          update_image_md5(img, planes, &md5_ctx);
          MD5Final(md5_digest, &md5_ctx);
          print_md5(md5_digest, outfile_name);
        } else {
          outfile = open_outfile(outfile_name);
          write_image_file(img, planes, outfile);
          fclose(outfile);
        }
      }
    }
  }

  if (summary || progress) {
    show_progress(frame_in, frame_out, dx_time);
    fprintf(stderr, "\n");
  }

  if (frames_corrupted) {
    fprintf(stderr, "WARNING: %d frames corrupted.\n", frames_corrupted);
  } else {
    ret = EXIT_SUCCESS;
  }

fail:

  if (aom_codec_destroy(&decoder)) {
    fprintf(stderr, "Failed to destroy decoder: %s\n",
            aom_codec_error(&decoder));
  }

fail2:

  if (!noblit && single_file) {
    if (do_md5) {
      MD5Final(md5_digest, &md5_ctx);
      print_md5(md5_digest, outfile_name);
    } else {
      fclose(outfile);
    }
  }

#if CONFIG_WEBM_IO
  if (input.aom_input_ctx->file_type == FILE_TYPE_WEBM)
    webm_free(input.webm_ctx);
#endif

  if (input.aom_input_ctx->file_type != FILE_TYPE_WEBM) free(buf);

  if (scaled_img) aom_img_free(scaled_img);
#if CONFIG_AOM_HIGHBITDEPTH
  if (img_shifted) aom_img_free(img_shifted);
#endif

  for (i = 0; i < ext_fb_list.num_external_frame_buffers; ++i) {
    free(ext_fb_list.ext_fb[i].data);
  }
  free(ext_fb_list.ext_fb);

  fclose(infile);
  if (framestats_file) fclose(framestats_file);

  free(argv);

  return ret;
}
static void parse_command_line(int argc, const char **argv_,
                               AppInput *app_input, SvcContext *svc_ctx,
                               vpx_codec_enc_cfg_t *enc_cfg) {
    struct arg arg;
    char **argv, **argi, **argj;
    vpx_codec_err_t res;

    // initialize SvcContext with parameters that will be passed to vpx_svc_init
    svc_ctx->log_level = SVC_LOG_DEBUG;
    svc_ctx->spatial_layers = default_spatial_layers;
    svc_ctx->encoding_mode = default_encoding_mode;

    // start with default encoder configuration
    res = vpx_codec_enc_config_default(vpx_codec_vp9_cx(), enc_cfg, 0);
    if (res) {
        die("Failed to get config: %s\n", vpx_codec_err_to_string(res));
    }
    // update enc_cfg with app default values
    enc_cfg->g_w = default_width;
    enc_cfg->g_h = default_height;
    enc_cfg->g_timebase.num = default_timebase_num;
    enc_cfg->g_timebase.den = default_timebase_den;
    enc_cfg->rc_target_bitrate = default_bitrate;
    enc_cfg->kf_min_dist = default_kf_dist;
    enc_cfg->kf_max_dist = default_kf_dist;

    // initialize AppInput with default values
    app_input->frames_to_code = default_frames_to_code;
    app_input->frames_to_skip = default_frames_to_skip;

    // process command line options
    argv = argv_dup(argc - 1, argv_ + 1);
    for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
        arg.argv_step = 1;

        if (arg_match(&arg, &encoding_mode_arg, argi)) {
            svc_ctx->encoding_mode = arg_parse_enum_or_int(&arg);
        } else if (arg_match(&arg, &frames_arg, argi)) {
            app_input->frames_to_code = arg_parse_uint(&arg);
        } else if (arg_match(&arg, &width_arg, argi)) {
            enc_cfg->g_w = arg_parse_uint(&arg);
        } else if (arg_match(&arg, &height_arg, argi)) {
            enc_cfg->g_h = arg_parse_uint(&arg);
        } else if (arg_match(&arg, &timebase_arg, argi)) {
            enc_cfg->g_timebase = arg_parse_rational(&arg);
        } else if (arg_match(&arg, &bitrate_arg, argi)) {
            enc_cfg->rc_target_bitrate = arg_parse_uint(&arg);
        } else if (arg_match(&arg, &skip_frames_arg, argi)) {
            app_input->frames_to_skip = arg_parse_uint(&arg);
        } else if (arg_match(&arg, &layers_arg, argi)) {
            svc_ctx->spatial_layers = arg_parse_uint(&arg);
        } else if (arg_match(&arg, &kf_dist_arg, argi)) {
            enc_cfg->kf_min_dist = arg_parse_uint(&arg);
            enc_cfg->kf_max_dist = enc_cfg->kf_min_dist;
        } else if (arg_match(&arg, &scale_factors_arg, argi)) {
            vpx_svc_set_scale_factors(svc_ctx, arg.val);
        } else if (arg_match(&arg, &quantizers_arg, argi)) {
            vpx_svc_set_quantizers(svc_ctx, arg.val);
        } else {
            ++argj;
        }
    }

    // Check for unrecognized options
    for (argi = argv; *argi; ++argi)
        if (argi[0][0] == '-' && strlen(argi[0]) > 1)
            die("Error: Unrecognized option %s\n", *argi);

    if (argv[0] == NULL || argv[1] == 0) {
        usage_exit();
    }
    app_input->input_ctx.filename = argv[0];
    app_input->output_filename = argv[1];
    free(argv);

    if (enc_cfg->g_w < 16 || enc_cfg->g_w % 2 || enc_cfg->g_h < 16 ||
            enc_cfg->g_h % 2)
        die("Invalid resolution: %d x %d\n", enc_cfg->g_w, enc_cfg->g_h);

    printf(
        "Codec %s\nframes: %d, skip: %d\n"
        "mode: %d, layers: %d\n"
        "width %d, height: %d,\n"
        "num: %d, den: %d, bitrate: %d,\n"
        "gop size: %d\n",
        vpx_codec_iface_name(vpx_codec_vp9_cx()), app_input->frames_to_code,
        app_input->frames_to_skip, svc_ctx->encoding_mode,
        svc_ctx->spatial_layers, enc_cfg->g_w, enc_cfg->g_h,
        enc_cfg->g_timebase.num, enc_cfg->g_timebase.den,
        enc_cfg->rc_target_bitrate, enc_cfg->kf_max_dist);
}
static void parse_command_line(int argc, const char **argv_,
                               AppInput *app_input, SvcContext *svc_ctx,
                               vpx_codec_enc_cfg_t *enc_cfg) {
  struct arg arg = {0};
  char **argv = NULL;
  char **argi = NULL;
  char **argj = NULL;
  vpx_codec_err_t res;
  int passes = 0;
  int pass = 0;
  const char *fpf_file_name = NULL;
  unsigned int min_bitrate = 0;
  unsigned int max_bitrate = 0;

  // initialize SvcContext with parameters that will be passed to vpx_svc_init
  svc_ctx->log_level = SVC_LOG_DEBUG;
  svc_ctx->spatial_layers = default_spatial_layers;
  svc_ctx->temporal_layers = default_temporal_layers;

  // start with default encoder configuration
  res = vpx_codec_enc_config_default(vpx_codec_vp9_cx(), enc_cfg, 0);
  if (res) {
    die("Failed to get config: %s\n", vpx_codec_err_to_string(res));
  }
  // update enc_cfg with app default values
  enc_cfg->g_w = default_width;
  enc_cfg->g_h = default_height;
  enc_cfg->g_timebase.num = default_timebase_num;
  enc_cfg->g_timebase.den = default_timebase_den;
  enc_cfg->rc_target_bitrate = default_bitrate;
  enc_cfg->kf_min_dist = default_kf_dist;
  enc_cfg->kf_max_dist = default_kf_dist;
  enc_cfg->rc_end_usage = VPX_CQ;

  // initialize AppInput with default values
  app_input->frames_to_code = default_frames_to_code;
  app_input->frames_to_skip = default_frames_to_skip;

  // process command line options
  argv = argv_dup(argc - 1, argv_ + 1);
  for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
    arg.argv_step = 1;

    if (arg_match(&arg, &frames_arg, argi)) {
      app_input->frames_to_code = arg_parse_uint(&arg);
    } else if (arg_match(&arg, &width_arg, argi)) {
      enc_cfg->g_w = arg_parse_uint(&arg);
    } else if (arg_match(&arg, &height_arg, argi)) {
      enc_cfg->g_h = arg_parse_uint(&arg);
    } else if (arg_match(&arg, &timebase_arg, argi)) {
      enc_cfg->g_timebase = arg_parse_rational(&arg);
    } else if (arg_match(&arg, &bitrate_arg, argi)) {
      enc_cfg->rc_target_bitrate = arg_parse_uint(&arg);
    } else if (arg_match(&arg, &skip_frames_arg, argi)) {
      app_input->frames_to_skip = arg_parse_uint(&arg);
    } else if (arg_match(&arg, &spatial_layers_arg, argi)) {
      svc_ctx->spatial_layers = arg_parse_uint(&arg);
    } else if (arg_match(&arg, &temporal_layers_arg, argi)) {
      svc_ctx->temporal_layers = arg_parse_uint(&arg);
    } else if (arg_match(&arg, &kf_dist_arg, argi)) {
      enc_cfg->kf_min_dist = arg_parse_uint(&arg);
      enc_cfg->kf_max_dist = enc_cfg->kf_min_dist;
    } else if (arg_match(&arg, &scale_factors_arg, argi)) {
      vpx_svc_set_scale_factors(svc_ctx, arg.val);
    } else if (arg_match(&arg, &quantizers_arg, argi)) {
      vpx_svc_set_quantizers(svc_ctx, arg.val);
    } else if (arg_match(&arg, &passes_arg, argi)) {
      passes = arg_parse_uint(&arg);
      if (passes < 1 || passes > 2) {
        die("Error: Invalid number of passes (%d)\n", passes);
      }
    } else if (arg_match(&arg, &pass_arg, argi)) {
      pass = arg_parse_uint(&arg);
      if (pass < 1 || pass > 2) {
        die("Error: Invalid pass selected (%d)\n", pass);
      }
    } else if (arg_match(&arg, &fpf_name_arg, argi)) {
      fpf_file_name = arg.val;
    } else if (arg_match(&arg, &min_q_arg, argi)) {
      enc_cfg->rc_min_quantizer = arg_parse_uint(&arg);
    } else if (arg_match(&arg, &max_q_arg, argi)) {
      enc_cfg->rc_max_quantizer = arg_parse_uint(&arg);
    } else if (arg_match(&arg, &min_bitrate_arg, argi)) {
      min_bitrate = arg_parse_uint(&arg);
    } else if (arg_match(&arg, &max_bitrate_arg, argi)) {
      max_bitrate = arg_parse_uint(&arg);
    } else {
      ++argj;
    }
  }

  if (passes == 0 || passes == 1) {
    if (pass) {
      fprintf(stderr, "pass is ignored since there's only one pass\n");
    }
    enc_cfg->g_pass = VPX_RC_ONE_PASS;
  } else {
    if (pass == 0) {
      die("pass must be specified when passes is 2\n");
    }

    if (fpf_file_name == NULL) {
      die("fpf must be specified when passes is 2\n");
    }

    if (pass == 1) {
      enc_cfg->g_pass = VPX_RC_FIRST_PASS;
      if (!stats_open_file(&app_input->rc_stats, fpf_file_name, 0)) {
        fatal("Failed to open statistics store");
      }
    } else {
      enc_cfg->g_pass = VPX_RC_LAST_PASS;
      if (!stats_open_file(&app_input->rc_stats, fpf_file_name, 1)) {
        fatal("Failed to open statistics store");
      }
      enc_cfg->rc_twopass_stats_in = stats_get(&app_input->rc_stats);
    }
    app_input->passes = passes;
    app_input->pass = pass;
  }

  if (enc_cfg->rc_target_bitrate > 0) {
    if (min_bitrate > 0) {
      enc_cfg->rc_2pass_vbr_minsection_pct =
          min_bitrate * 100 / enc_cfg->rc_target_bitrate;
    }
    if (max_bitrate > 0) {
      enc_cfg->rc_2pass_vbr_maxsection_pct =
          max_bitrate * 100 / enc_cfg->rc_target_bitrate;
    }
  }

  // Check for unrecognized options
  for (argi = argv; *argi; ++argi)
    if (argi[0][0] == '-' && strlen(argi[0]) > 1)
      die("Error: Unrecognized option %s\n", *argi);

  if (argv[0] == NULL || argv[1] == 0) {
    usage_exit();
  }
  app_input->input_filename = argv[0];
  app_input->output_filename = argv[1];
  free(argv);

  if (enc_cfg->g_w < 16 || enc_cfg->g_w % 2 || enc_cfg->g_h < 16 ||
      enc_cfg->g_h % 2)
    die("Invalid resolution: %d x %d\n", enc_cfg->g_w, enc_cfg->g_h);

  printf(
      "Codec %s\nframes: %d, skip: %d\n"
      "layers: %d\n"
      "width %d, height: %d,\n"
      "num: %d, den: %d, bitrate: %d,\n"
      "gop size: %d\n",
      vpx_codec_iface_name(vpx_codec_vp9_cx()), app_input->frames_to_code,
      app_input->frames_to_skip,
      svc_ctx->spatial_layers, enc_cfg->g_w, enc_cfg->g_h,
      enc_cfg->g_timebase.num, enc_cfg->g_timebase.den,
      enc_cfg->rc_target_bitrate, enc_cfg->kf_max_dist);
}
Exemplo n.º 6
0
int main(int argc, const char **argv_)
{
    vpx_codec_ctx_t        encoder;
    const char                  *in_fn = NULL, *out_fn = NULL, *stats_fn = NULL;
    int                    i;
    FILE                  *infile, *outfile;
    vpx_codec_enc_cfg_t    cfg;
    vpx_codec_err_t        res;
    int                    pass, one_pass_only = 0;
    stats_io_t             stats;
    vpx_image_t            raw;
    const struct codec_item  *codec = codecs;
    int                    frame_avail, got_data;

    struct arg               arg;
    char                   **argv, **argi, **argj;
    int                      arg_usage = 0, arg_passes = 1, arg_deadline = 0;
    int                      arg_ctrls[ARG_CTRL_CNT_MAX][2], arg_ctrl_cnt = 0;
    int                      arg_limit = 0;
    static const arg_def_t **ctrl_args = no_args;
    static const int        *ctrl_args_map = NULL;
    int                      verbose = 0, show_psnr = 0;
    int                      arg_use_i420 = 1;
    int                      arg_have_timebase = 0;
    unsigned long            cx_time = 0;
    unsigned int             file_type, fourcc;
    y4m_input                y4m;

    exec_name = argv_[0];

    if (argc < 3)
        usage_exit();


    /* First parse the codec and usage values, because we want to apply other
     * parameters on top of the default configuration provided by the codec.
     */
    argv = argv_dup(argc - 1, argv_ + 1);

    for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
    {
        arg.argv_step = 1;

        if (arg_match(&arg, &codecarg, argi))
        {
            int j, k = -1;

            for (j = 0; j < sizeof(codecs) / sizeof(codecs[0]); j++)
                if (!strcmp(codecs[j].name, arg.val))
                    k = j;

            if (k >= 0)
                codec = codecs + k;
            else
                die("Error: Unrecognized argument (%s) to --codec\n",
                    arg.val);

        }
        else if (arg_match(&arg, &passes, argi))
        {
            arg_passes = arg_parse_uint(&arg);

            if (arg_passes < 1 || arg_passes > 2)
                die("Error: Invalid number of passes (%d)\n", arg_passes);
        }
        else if (arg_match(&arg, &pass_arg, argi))
        {
            one_pass_only = arg_parse_uint(&arg);

            if (one_pass_only < 1 || one_pass_only > 2)
                die("Error: Invalid pass selected (%d)\n", one_pass_only);
        }
        else if (arg_match(&arg, &fpf_name, argi))
            stats_fn = arg.val;
        else if (arg_match(&arg, &usage, argi))
            arg_usage = arg_parse_uint(&arg);
        else if (arg_match(&arg, &deadline, argi))
            arg_deadline = arg_parse_uint(&arg);
        else if (arg_match(&arg, &best_dl, argi))
            arg_deadline = VPX_DL_BEST_QUALITY;
        else if (arg_match(&arg, &good_dl, argi))
            arg_deadline = VPX_DL_GOOD_QUALITY;
        else if (arg_match(&arg, &rt_dl, argi))
            arg_deadline = VPX_DL_REALTIME;
        else if (arg_match(&arg, &use_yv12, argi))
        {
            arg_use_i420 = 0;
        }
        else if (arg_match(&arg, &use_i420, argi))
        {
            arg_use_i420 = 1;
        }
        else if (arg_match(&arg, &verbosearg, argi))
            verbose = 1;
        else if (arg_match(&arg, &limit, argi))
            arg_limit = arg_parse_uint(&arg);
        else if (arg_match(&arg, &psnrarg, argi))
            show_psnr = 1;
        else
            argj++;
    }

    /* Ensure that --passes and --pass are consistent. If --pass is set and --passes=2,
     * ensure --fpf was set.
     */
    if (one_pass_only)
    {
        /* DWIM: Assume the user meant passes=2 if pass=2 is specified */
        if (one_pass_only > arg_passes)
        {
            fprintf(stderr, "Warning: Assuming --pass=%d implies --passes=%d\n",
                    one_pass_only, one_pass_only);
            arg_passes = one_pass_only;
        }

        if (arg_passes == 2 && !stats_fn)
            die("Must specify --fpf when --pass=%d and --passes=2\n", one_pass_only);
    }

    /* Populate encoder configuration */
    res = vpx_codec_enc_config_default(codec->iface, &cfg, arg_usage);

    if (res)
    {
        fprintf(stderr, "Failed to get config: %s\n",
                vpx_codec_err_to_string(res));
        return EXIT_FAILURE;
    }

    /* Now parse the remainder of the parameters. */
    for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
    {
        arg.argv_step = 1;

        if (0);
        else if (arg_match(&arg, &threads, argi))
            cfg.g_threads = arg_parse_uint(&arg);
        else if (arg_match(&arg, &profile, argi))
            cfg.g_profile = arg_parse_uint(&arg);
        else if (arg_match(&arg, &width, argi))
            cfg.g_w = arg_parse_uint(&arg);
        else if (arg_match(&arg, &height, argi))
            cfg.g_h = arg_parse_uint(&arg);
        else if (arg_match(&arg, &timebase, argi))
        {
            cfg.g_timebase = arg_parse_rational(&arg);
            arg_have_timebase = 1;
        }
        else if (arg_match(&arg, &error_resilient, argi))
            cfg.g_error_resilient = arg_parse_uint(&arg);
        else if (arg_match(&arg, &lag_in_frames, argi))
            cfg.g_lag_in_frames = arg_parse_uint(&arg);
        else if (arg_match(&arg, &dropframe_thresh, argi))
            cfg.rc_dropframe_thresh = arg_parse_uint(&arg);
        else if (arg_match(&arg, &resize_allowed, argi))
            cfg.rc_resize_allowed = arg_parse_uint(&arg);
        else if (arg_match(&arg, &resize_up_thresh, argi))
            cfg.rc_resize_up_thresh = arg_parse_uint(&arg);
        else if (arg_match(&arg, &resize_down_thresh, argi))
            cfg.rc_resize_down_thresh = arg_parse_uint(&arg);
        else if (arg_match(&arg, &resize_down_thresh, argi))
            cfg.rc_resize_down_thresh = arg_parse_uint(&arg);
        else if (arg_match(&arg, &end_usage, argi))
            cfg.rc_end_usage = arg_parse_uint(&arg);
        else if (arg_match(&arg, &target_bitrate, argi))
            cfg.rc_target_bitrate = arg_parse_uint(&arg);
        else if (arg_match(&arg, &min_quantizer, argi))
            cfg.rc_min_quantizer = arg_parse_uint(&arg);
        else if (arg_match(&arg, &max_quantizer, argi))
            cfg.rc_max_quantizer = arg_parse_uint(&arg);
        else if (arg_match(&arg, &undershoot_pct, argi))
            cfg.rc_undershoot_pct = arg_parse_uint(&arg);
        else if (arg_match(&arg, &overshoot_pct, argi))
            cfg.rc_overshoot_pct = arg_parse_uint(&arg);
        else if (arg_match(&arg, &buf_sz, argi))
            cfg.rc_buf_sz = arg_parse_uint(&arg);
        else if (arg_match(&arg, &buf_initial_sz, argi))
            cfg.rc_buf_initial_sz = arg_parse_uint(&arg);
        else if (arg_match(&arg, &buf_optimal_sz, argi))
            cfg.rc_buf_optimal_sz = arg_parse_uint(&arg);
        else if (arg_match(&arg, &bias_pct, argi))
        {
            cfg.rc_2pass_vbr_bias_pct = arg_parse_uint(&arg);

            if (arg_passes < 2)
                fprintf(stderr,
                        "Warning: option %s ignored in one-pass mode.\n",
                        arg.name);
        }
        else if (arg_match(&arg, &minsection_pct, argi))
        {
            cfg.rc_2pass_vbr_minsection_pct = arg_parse_uint(&arg);

            if (arg_passes < 2)
                fprintf(stderr,
                        "Warning: option %s ignored in one-pass mode.\n",
                        arg.name);
        }
        else if (arg_match(&arg, &maxsection_pct, argi))
        {
            cfg.rc_2pass_vbr_maxsection_pct = arg_parse_uint(&arg);

            if (arg_passes < 2)
                fprintf(stderr,
                        "Warning: option %s ignored in one-pass mode.\n",
                        arg.name);
        }
        else if (arg_match(&arg, &kf_min_dist, argi))
            cfg.kf_min_dist = arg_parse_uint(&arg);
        else if (arg_match(&arg, &kf_max_dist, argi))
            cfg.kf_max_dist = arg_parse_uint(&arg);
        else if (arg_match(&arg, &kf_disabled, argi))
            cfg.kf_mode = VPX_KF_DISABLED;
        else
            argj++;
    }

    /* Handle codec specific options */
#if CONFIG_VP8_ENCODER

    if (codec->iface == &vpx_codec_vp8_cx_algo)
    {
        ctrl_args = vp8_args;
        ctrl_args_map = vp8_arg_ctrl_map;
    }

#endif

    for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
    {
        int match = 0;

        arg.argv_step = 1;

        for (i = 0; ctrl_args[i]; i++)
        {
            if (arg_match(&arg, ctrl_args[i], argi))
            {
                match = 1;

                if (arg_ctrl_cnt < ARG_CTRL_CNT_MAX)
                {
                    arg_ctrls[arg_ctrl_cnt][0] = ctrl_args_map[i];
                    arg_ctrls[arg_ctrl_cnt][1] = arg_parse_int(&arg);
                    arg_ctrl_cnt++;
                }
            }
        }

        if (!match)
            argj++;
    }

    /* Check for unrecognized options */
    for (argi = argv; *argi; argi++)
        if (argi[0][0] == '-' && argi[0][1])
            die("Error: Unrecognized option %s\n", *argi);

    /* Handle non-option arguments */
    in_fn = argv[0];
    out_fn = argv[1];

    if (!in_fn || !out_fn)
        usage_exit();

    memset(&stats, 0, sizeof(stats));

    for (pass = one_pass_only ? one_pass_only - 1 : 0; pass < arg_passes; pass++)
    {
        int frames_in = 0, frames_out = 0;
        unsigned long nbytes = 0;
        struct detect_buffer detect;

        /* Parse certain options from the input file, if possible */
        infile = strcmp(in_fn, "-") ? fopen(in_fn, "rb") : stdin;

        if (!infile)
        {
            fprintf(stderr, "Failed to open input file\n");
            return EXIT_FAILURE;
        }

        fread(detect.buf, 1, 4, infile);
        detect.valid = 0;

        if (file_is_y4m(infile, &y4m, detect.buf))
        {
            if (y4m_input_open(&y4m, infile, detect.buf, 4) >= 0)
            {
                file_type = FILE_TYPE_Y4M;
                cfg.g_w = y4m.pic_w;
                cfg.g_h = y4m.pic_h;
                /* Use the frame rate from the file only if none was specified
                 * on the command-line.
                 */
                if (!arg_have_timebase)
                {
                    cfg.g_timebase.num = y4m.fps_d;
                    cfg.g_timebase.den = y4m.fps_n;
                }
                arg_use_i420 = 0;
            }
            else
            {
                fprintf(stderr, "Unsupported Y4M stream.\n");
                return EXIT_FAILURE;
            }
        }
        else if (file_is_ivf(infile, &fourcc, &cfg.g_w, &cfg.g_h, detect.buf))
        {
            file_type = FILE_TYPE_IVF;
            switch (fourcc)
            {
            case 0x32315659:
                arg_use_i420 = 0;
                break;
            case 0x30323449:
                arg_use_i420 = 1;
                break;
            default:
                fprintf(stderr, "Unsupported fourcc (%08x) in IVF\n", fourcc);
                return EXIT_FAILURE;
            }
        }
        else
        {
            file_type = FILE_TYPE_RAW;
            detect.valid = 1;
        }
#define SHOW(field) fprintf(stderr, "    %-28s = %d\n", #field, cfg.field)

        if (verbose && pass == 0)
        {
            fprintf(stderr, "Codec: %s\n", vpx_codec_iface_name(codec->iface));
            fprintf(stderr, "Source file: %s Format: %s\n", in_fn,
                    arg_use_i420 ? "I420" : "YV12");
            fprintf(stderr, "Destination file: %s\n", out_fn);
            fprintf(stderr, "Encoder parameters:\n");

            SHOW(g_usage);
            SHOW(g_threads);
            SHOW(g_profile);
            SHOW(g_w);
            SHOW(g_h);
            SHOW(g_timebase.num);
            SHOW(g_timebase.den);
            SHOW(g_error_resilient);
            SHOW(g_pass);
            SHOW(g_lag_in_frames);
            SHOW(rc_dropframe_thresh);
            SHOW(rc_resize_allowed);
            SHOW(rc_resize_up_thresh);
            SHOW(rc_resize_down_thresh);
            SHOW(rc_end_usage);
            SHOW(rc_target_bitrate);
            SHOW(rc_min_quantizer);
            SHOW(rc_max_quantizer);
            SHOW(rc_undershoot_pct);
            SHOW(rc_overshoot_pct);
            SHOW(rc_buf_sz);
            SHOW(rc_buf_initial_sz);
            SHOW(rc_buf_optimal_sz);
            SHOW(rc_2pass_vbr_bias_pct);
            SHOW(rc_2pass_vbr_minsection_pct);
            SHOW(rc_2pass_vbr_maxsection_pct);
            SHOW(kf_mode);
            SHOW(kf_min_dist);
            SHOW(kf_max_dist);
        }

        if(pass == (one_pass_only ? one_pass_only - 1 : 0)) {
            if (file_type == FILE_TYPE_Y4M)
                /*The Y4M reader does its own allocation.
                  Just initialize this here to avoid problems if we never read any
                   frames.*/
                memset(&raw, 0, sizeof(raw));
            else
                vpx_img_alloc(&raw, arg_use_i420 ? VPX_IMG_FMT_I420 : VPX_IMG_FMT_YV12,
                              cfg.g_w, cfg.g_h, 1);

            // This was added so that ivfenc will create monotically increasing
            // timestamps.  Since we create new timestamps for alt-reference frames
            // we need to make room in the series of timestamps.  Since there can
            // only be 1 alt-ref frame ( current bitstream) multiplying by 2
            // gives us enough room.
            cfg.g_timebase.den *= 2;
        }

        outfile = strcmp(out_fn, "-") ? fopen(out_fn, "wb") : stdout;

        if (!outfile)
        {
            fprintf(stderr, "Failed to open output file\n");
            return EXIT_FAILURE;
        }

        if (stats_fn)
        {
            if (!stats_open_file(&stats, stats_fn, pass))
            {
                fprintf(stderr, "Failed to open statistics store\n");
                return EXIT_FAILURE;
            }
        }
        else
        {
            if (!stats_open_mem(&stats, pass))
            {
                fprintf(stderr, "Failed to open statistics store\n");
                return EXIT_FAILURE;
            }
        }

        cfg.g_pass = arg_passes == 2
                     ? pass ? VPX_RC_LAST_PASS : VPX_RC_FIRST_PASS
                     : VPX_RC_ONE_PASS;
#if VPX_ENCODER_ABI_VERSION > (1 + VPX_CODEC_ABI_VERSION)

        if (pass)
        {
            cfg.rc_twopass_stats_in = stats_get(&stats);
        }

#endif

        write_ivf_file_header(outfile, &cfg, codec->fourcc, 0);


        /* Construct Encoder Context */
        vpx_codec_enc_init(&encoder, codec->iface, &cfg,
                           show_psnr ? VPX_CODEC_USE_PSNR : 0);
        ctx_exit_on_error(&encoder, "Failed to initialize encoder");

        /* Note that we bypass the vpx_codec_control wrapper macro because
         * we're being clever to store the control IDs in an array. Real
         * applications will want to make use of the enumerations directly
         */
        for (i = 0; i < arg_ctrl_cnt; i++)
        {
            if (vpx_codec_control_(&encoder, arg_ctrls[i][0], arg_ctrls[i][1]))
                fprintf(stderr, "Error: Tried to set control %d = %d\n",
                        arg_ctrls[i][0], arg_ctrls[i][1]);

            ctx_exit_on_error(&encoder, "Failed to control codec");
        }

        frame_avail = 1;
        got_data = 0;

        while (frame_avail || got_data)
        {
            vpx_codec_iter_t iter = NULL;
            const vpx_codec_cx_pkt_t *pkt;
            struct vpx_usec_timer timer;

            if (!arg_limit || frames_in < arg_limit)
            {
                frame_avail = read_frame(infile, &raw, file_type, &y4m,
                                         &detect);

                if (frame_avail)
                    frames_in++;

                fprintf(stderr,
                        "\rPass %d/%d frame %4d/%-4d %7ldB \033[K", pass + 1,
                        arg_passes, frames_in, frames_out, nbytes);
            }
            else
                frame_avail = 0;

            vpx_usec_timer_start(&timer);

            // since we halved our timebase we need to double the timestamps
            // and duration we pass in.
            vpx_codec_encode(&encoder, frame_avail ? &raw : NULL, (frames_in - 1) * 2,
                             2, 0, arg_deadline);
            vpx_usec_timer_mark(&timer);
            cx_time += vpx_usec_timer_elapsed(&timer);
            ctx_exit_on_error(&encoder, "Failed to encode frame");
            got_data = 0;

            while ((pkt = vpx_codec_get_cx_data(&encoder, &iter)))
            {
                got_data = 1;

                switch (pkt->kind)
                {
                case VPX_CODEC_CX_FRAME_PKT:
                    frames_out++;
                    fprintf(stderr, " %6luF",
                            (unsigned long)pkt->data.frame.sz);
                    write_ivf_frame_header(outfile, pkt);
                    fwrite(pkt->data.frame.buf, 1, pkt->data.frame.sz, outfile);
                    nbytes += pkt->data.raw.sz;
                    break;
                case VPX_CODEC_STATS_PKT:
                    frames_out++;
                    fprintf(stderr, " %6luS",
                            (unsigned long)pkt->data.twopass_stats.sz);
                    stats_write(&stats,
                                pkt->data.twopass_stats.buf,
                                pkt->data.twopass_stats.sz);
                    nbytes += pkt->data.raw.sz;
                    break;
                case VPX_CODEC_PSNR_PKT:

                    if (show_psnr)
                    {
                        int i;

                        for (i = 0; i < 4; i++)
                            fprintf(stderr, "%.3lf ", pkt->data.psnr.psnr[i]);
                    }

                    break;
                default:
                    break;
                }
            }

            fflush(stdout);
        }

        /* this bitrate calc is simplified and relies on the fact that this
         * application uses 1/timebase for framerate.
         */
        fprintf(stderr,
                "\rPass %d/%d frame %4d/%-4d %7ldB %7ldb/f %7"PRId64"b/s"
                " %7lu %s (%.2f fps)\033[K", pass + 1,
                arg_passes, frames_in, frames_out, nbytes, nbytes * 8 / frames_in,
                nbytes * 8 *(int64_t)cfg.g_timebase.den/2/ cfg.g_timebase.num / frames_in,
                cx_time > 9999999 ? cx_time / 1000 : cx_time,
                cx_time > 9999999 ? "ms" : "us",
                (float)frames_in * 1000000.0 / (float)cx_time);

        vpx_codec_destroy(&encoder);

        fclose(infile);

        if (!fseek(outfile, 0, SEEK_SET))
            write_ivf_file_header(outfile, &cfg, codec->fourcc, frames_out);

        fclose(outfile);
        stats_close(&stats);
        fprintf(stderr, "\n");

        if (one_pass_only)
            break;
    }

    vpx_img_free(&raw);
    free(argv);
    return EXIT_SUCCESS;
}
Exemplo n.º 7
0
static int main_loop(int argc, const char **argv_) {
  aom_codec_ctx_t decoder;
  char *fn = NULL;
  int i;
  int ret = EXIT_FAILURE;
  uint8_t *buf = NULL;
  size_t bytes_in_buffer = 0, buffer_size = 0;
  FILE *infile;
  int frame_in = 0, frame_out = 0, flipuv = 0, noblit = 0;
  int do_md5 = 0, progress = 0;
  int stop_after = 0, postproc = 0, summary = 0, quiet = 1;
  int arg_skip = 0;
  int keep_going = 0;
  const AvxInterface *interface = NULL;
  const AvxInterface *fourcc_interface = NULL;
  uint64_t dx_time = 0;
  struct arg arg;
  char **argv, **argi, **argj;

  int single_file;
  int use_y4m = 1;
  int opt_yv12 = 0;
  int opt_i420 = 0;
  int opt_raw = 0;
  aom_codec_dec_cfg_t cfg = { 0, 0, 0, CONFIG_LOWBITDEPTH, { 1 } };
  unsigned int fixed_output_bit_depth = 0;
  unsigned int is_annexb = 0;
  int frames_corrupted = 0;
  int dec_flags = 0;
  int do_scale = 0;
  int operating_point = 0;
  int output_all_layers = 0;
  int skip_film_grain = 0;
  aom_image_t *scaled_img = NULL;
  aom_image_t *img_shifted = NULL;
  int frame_avail, got_data, flush_decoder = 0;
  int num_external_frame_buffers = 0;
  struct ExternalFrameBufferList ext_fb_list = { 0, NULL };

  const char *outfile_pattern = NULL;
  char outfile_name[PATH_MAX] = { 0 };
  FILE *outfile = NULL;

  FILE *framestats_file = NULL;

  MD5Context md5_ctx;
  unsigned char md5_digest[16];

  struct AvxDecInputContext input = { NULL, NULL, NULL };
  struct AvxInputContext aom_input_ctx;
  memset(&aom_input_ctx, 0, sizeof(aom_input_ctx));
#if CONFIG_WEBM_IO
  struct WebmInputContext webm_ctx;
  memset(&webm_ctx, 0, sizeof(webm_ctx));
  input.webm_ctx = &webm_ctx;
#endif
  struct ObuDecInputContext obu_ctx = { NULL, NULL, 0, 0, 0 };

  obu_ctx.avx_ctx = &aom_input_ctx;
  input.obu_ctx = &obu_ctx;
  input.aom_input_ctx = &aom_input_ctx;

  /* Parse command line */
  exec_name = argv_[0];
  argv = argv_dup(argc - 1, argv_ + 1);

  for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
    memset(&arg, 0, sizeof(arg));
    arg.argv_step = 1;

    if (arg_match(&arg, &help, argi)) {
      show_help(stdout, 0);
      exit(EXIT_SUCCESS);
    } else if (arg_match(&arg, &codecarg, argi)) {
      interface = get_aom_decoder_by_name(arg.val);
      if (!interface)
        die("Error: Unrecognized argument (%s) to --codec\n", arg.val);
    } else if (arg_match(&arg, &looparg, argi)) {
      // no-op
    } else if (arg_match(&arg, &outputfile, argi)) {
      outfile_pattern = arg.val;
    } else if (arg_match(&arg, &use_yv12, argi)) {
      use_y4m = 0;
      flipuv = 1;
      opt_yv12 = 1;
      opt_i420 = 0;
      opt_raw = 0;
    } else if (arg_match(&arg, &use_i420, argi)) {
      use_y4m = 0;
      flipuv = 0;
      opt_yv12 = 0;
      opt_i420 = 1;
      opt_raw = 0;
    } else if (arg_match(&arg, &rawvideo, argi)) {
      use_y4m = 0;
      opt_yv12 = 0;
      opt_i420 = 0;
      opt_raw = 1;
    } else if (arg_match(&arg, &flipuvarg, argi)) {
      flipuv = 1;
    } else if (arg_match(&arg, &noblitarg, argi)) {
      noblit = 1;
    } else if (arg_match(&arg, &progressarg, argi)) {
      progress = 1;
    } else if (arg_match(&arg, &limitarg, argi)) {
      stop_after = arg_parse_uint(&arg);
    } else if (arg_match(&arg, &skiparg, argi)) {
      arg_skip = arg_parse_uint(&arg);
    } else if (arg_match(&arg, &postprocarg, argi)) {
      postproc = 1;
    } else if (arg_match(&arg, &md5arg, argi)) {
      do_md5 = 1;
    } else if (arg_match(&arg, &framestatsarg, argi)) {
      framestats_file = fopen(arg.val, "w");
      if (!framestats_file) {
        die("Error: Could not open --framestats file (%s) for writing.\n",
            arg.val);
      }
    } else if (arg_match(&arg, &summaryarg, argi)) {
      summary = 1;
    } else if (arg_match(&arg, &threadsarg, argi)) {
      cfg.threads = arg_parse_uint(&arg);
#if !CONFIG_MULTITHREAD
      if (cfg.threads > 1) {
        die("Error: --threads=%d is not supported when CONFIG_MULTITHREAD = "
            "0.\n",
            cfg.threads);
      }
#endif
    } else if (arg_match(&arg, &verbosearg, argi)) {
      quiet = 0;
    } else if (arg_match(&arg, &scalearg, argi)) {
      do_scale = 1;
    } else if (arg_match(&arg, &fb_arg, argi)) {
      num_external_frame_buffers = arg_parse_uint(&arg);
    } else if (arg_match(&arg, &continuearg, argi)) {
      keep_going = 1;
    } else if (arg_match(&arg, &outbitdeptharg, argi)) {
      fixed_output_bit_depth = arg_parse_uint(&arg);
    } else if (arg_match(&arg, &isannexb, argi)) {
      is_annexb = 1;
      input.obu_ctx->is_annexb = 1;
    } else if (arg_match(&arg, &oppointarg, argi)) {
      operating_point = arg_parse_int(&arg);
    } else if (arg_match(&arg, &outallarg, argi)) {
      output_all_layers = 1;
    } else if (arg_match(&arg, &skipfilmgrain, argi)) {
      skip_film_grain = 1;
    } else {
      argj++;
    }
  }

  /* Check for unrecognized options */
  for (argi = argv; *argi; argi++)
    if (argi[0][0] == '-' && strlen(argi[0]) > 1)
      die("Error: Unrecognized option %s\n", *argi);

  /* Handle non-option arguments */
  fn = argv[0];

  if (!fn) {
    free(argv);
    fprintf(stderr, "No input file specified!\n");
    usage_exit();
  }
  /* Open file */
  infile = strcmp(fn, "-") ? fopen(fn, "rb") : set_binary_mode(stdin);

  if (!infile) {
    fatal("Failed to open input file '%s'", strcmp(fn, "-") ? fn : "stdin");
  }
#if CONFIG_OS_SUPPORT
  /* Make sure we don't dump to the terminal, unless forced to with -o - */
  if (!outfile_pattern && isatty(STDOUT_FILENO) && !do_md5 && !noblit) {
    fprintf(stderr,
            "Not dumping raw video to your terminal. Use '-o -' to "
            "override.\n");
    return EXIT_FAILURE;
  }
#endif
  input.aom_input_ctx->filename = fn;
  input.aom_input_ctx->file = infile;
  if (file_is_ivf(input.aom_input_ctx))
    input.aom_input_ctx->file_type = FILE_TYPE_IVF;
#if CONFIG_WEBM_IO
  else if (file_is_webm(input.webm_ctx, input.aom_input_ctx))
    input.aom_input_ctx->file_type = FILE_TYPE_WEBM;
#endif
  else if (file_is_obu(&obu_ctx))
    input.aom_input_ctx->file_type = FILE_TYPE_OBU;
  else if (file_is_raw(input.aom_input_ctx))
    input.aom_input_ctx->file_type = FILE_TYPE_RAW;
  else {
    fprintf(stderr, "Unrecognized input file type.\n");
#if !CONFIG_WEBM_IO
    fprintf(stderr, "aomdec was built without WebM container support.\n");
#endif
    return EXIT_FAILURE;
  }

  outfile_pattern = outfile_pattern ? outfile_pattern : "-";
  single_file = is_single_file(outfile_pattern);

  if (!noblit && single_file) {
    generate_filename(outfile_pattern, outfile_name, PATH_MAX,
                      aom_input_ctx.width, aom_input_ctx.height, 0);
    if (do_md5)
      MD5Init(&md5_ctx);
    else
      outfile = open_outfile(outfile_name);
  }

  if (use_y4m && !noblit) {
    if (!single_file) {
      fprintf(stderr,
              "YUV4MPEG2 not supported with output patterns,"
              " try --i420 or --yv12 or --rawvideo.\n");
      return EXIT_FAILURE;
    }

#if CONFIG_WEBM_IO
    if (aom_input_ctx.file_type == FILE_TYPE_WEBM) {
      if (webm_guess_framerate(input.webm_ctx, input.aom_input_ctx)) {
        fprintf(stderr,
                "Failed to guess framerate -- error parsing "
                "webm file?\n");
        return EXIT_FAILURE;
      }
    }
#endif
  }

  fourcc_interface = get_aom_decoder_by_fourcc(aom_input_ctx.fourcc);
  if (interface && fourcc_interface && interface != fourcc_interface)
    warn("Header indicates codec: %s\n", fourcc_interface->name);
  else
    interface = fourcc_interface;

  if (!interface) interface = get_aom_decoder_by_index(0);

  dec_flags = (postproc ? AOM_CODEC_USE_POSTPROC : 0);
  if (aom_codec_dec_init(&decoder, interface->codec_interface(), &cfg,
                         dec_flags)) {
    fprintf(stderr, "Failed to initialize decoder: %s\n",
            aom_codec_error(&decoder));
    goto fail2;
  }

  if (!quiet) fprintf(stderr, "%s\n", decoder.name);

  if (aom_codec_control(&decoder, AV1D_SET_IS_ANNEXB, is_annexb)) {
    fprintf(stderr, "Failed to set is_annexb: %s\n", aom_codec_error(&decoder));
    goto fail;
  }

  if (aom_codec_control(&decoder, AV1D_SET_OPERATING_POINT, operating_point)) {
    fprintf(stderr, "Failed to set operating_point: %s\n",
            aom_codec_error(&decoder));
    goto fail;
  }

  if (aom_codec_control(&decoder, AV1D_SET_OUTPUT_ALL_LAYERS,
                        output_all_layers)) {
    fprintf(stderr, "Failed to set output_all_layers: %s\n",
            aom_codec_error(&decoder));
    goto fail;
  }

  if (aom_codec_control(&decoder, AV1D_SET_SKIP_FILM_GRAIN, skip_film_grain)) {
    fprintf(stderr, "Failed to set skip_film_grain: %s\n",
            aom_codec_error(&decoder));
    goto fail;
  }

  if (arg_skip) fprintf(stderr, "Skipping first %d frames.\n", arg_skip);
  while (arg_skip) {
    if (read_frame(&input, &buf, &bytes_in_buffer, &buffer_size)) break;
    arg_skip--;
  }

  if (num_external_frame_buffers > 0) {
    ext_fb_list.num_external_frame_buffers = num_external_frame_buffers;
    ext_fb_list.ext_fb = (struct ExternalFrameBuffer *)calloc(
        num_external_frame_buffers, sizeof(*ext_fb_list.ext_fb));
    if (aom_codec_set_frame_buffer_functions(&decoder, get_av1_frame_buffer,
                                             release_av1_frame_buffer,
                                             &ext_fb_list)) {
      fprintf(stderr, "Failed to configure external frame buffers: %s\n",
              aom_codec_error(&decoder));
      goto fail;
    }
  }

  frame_avail = 1;
  got_data = 0;

  if (framestats_file) fprintf(framestats_file, "bytes,qp\r\n");

  /* Decode file */
  while (frame_avail || got_data) {
    aom_codec_iter_t iter = NULL;
    aom_image_t *img;
    struct aom_usec_timer timer;
    int corrupted = 0;

    frame_avail = 0;
    if (!stop_after || frame_in < stop_after) {
      if (!read_frame(&input, &buf, &bytes_in_buffer, &buffer_size)) {
        frame_avail = 1;
        frame_in++;

        aom_usec_timer_start(&timer);

        if (aom_codec_decode(&decoder, buf, bytes_in_buffer, NULL)) {
          const char *detail = aom_codec_error_detail(&decoder);
          warn("Failed to decode frame %d: %s", frame_in,
               aom_codec_error(&decoder));

          if (detail) warn("Additional information: %s", detail);
          if (!keep_going) goto fail;
        }

        if (framestats_file) {
          int qp;
          if (aom_codec_control(&decoder, AOMD_GET_LAST_QUANTIZER, &qp)) {
            warn("Failed AOMD_GET_LAST_QUANTIZER: %s",
                 aom_codec_error(&decoder));
            if (!keep_going) goto fail;
          }
          fprintf(framestats_file, "%d,%d\r\n", (int)bytes_in_buffer, qp);
        }

        aom_usec_timer_mark(&timer);
        dx_time += aom_usec_timer_elapsed(&timer);
      } else {
        flush_decoder = 1;
      }
    } else {
      flush_decoder = 1;
    }

    aom_usec_timer_start(&timer);

    if (flush_decoder) {
      // Flush the decoder.
      if (aom_codec_decode(&decoder, NULL, 0, NULL)) {
        warn("Failed to flush decoder: %s", aom_codec_error(&decoder));
      }
    }

    aom_usec_timer_mark(&timer);
    dx_time += aom_usec_timer_elapsed(&timer);

    got_data = 0;
    while ((img = aom_codec_get_frame(&decoder, &iter))) {
      ++frame_out;
      got_data = 1;

      if (aom_codec_control(&decoder, AOMD_GET_FRAME_CORRUPTED, &corrupted)) {
        warn("Failed AOM_GET_FRAME_CORRUPTED: %s", aom_codec_error(&decoder));
        if (!keep_going) goto fail;
      }
      frames_corrupted += corrupted;

      if (progress) show_progress(frame_in, frame_out, dx_time);

      if (!noblit) {
        const int PLANES_YUV[] = { AOM_PLANE_Y, AOM_PLANE_U, AOM_PLANE_V };
        const int PLANES_YVU[] = { AOM_PLANE_Y, AOM_PLANE_V, AOM_PLANE_U };
        const int *planes = flipuv ? PLANES_YVU : PLANES_YUV;

        if (do_scale) {
          if (frame_out == 1) {
            // If the output frames are to be scaled to a fixed display size
            // then use the width and height specified in the container. If
            // either of these is set to 0, use the display size set in the
            // first frame header. If that is unavailable, use the raw decoded
            // size of the first decoded frame.
            int render_width = aom_input_ctx.width;
            int render_height = aom_input_ctx.height;
            if (!render_width || !render_height) {
              int render_size[2];
              if (aom_codec_control(&decoder, AV1D_GET_DISPLAY_SIZE,
                                    render_size)) {
                // As last resort use size of first frame as display size.
                render_width = img->d_w;
                render_height = img->d_h;
              } else {
                render_width = render_size[0];
                render_height = render_size[1];
              }
            }
            scaled_img =
                aom_img_alloc(NULL, img->fmt, render_width, render_height, 16);
            scaled_img->bit_depth = img->bit_depth;
            scaled_img->monochrome = img->monochrome;
            scaled_img->csp = img->csp;
          }

          if (img->d_w != scaled_img->d_w || img->d_h != scaled_img->d_h) {
#if CONFIG_LIBYUV
            libyuv_scale(img, scaled_img, kFilterBox);
            img = scaled_img;
#else
            fprintf(
                stderr,
                "Failed to scale output frame: %s.\n"
                "libyuv is required for scaling but is currently disabled.\n"
                "Be sure to specify -DCONFIG_LIBYUV=1 when running cmake.\n",
                aom_codec_error(&decoder));
            goto fail;
#endif
          }
        }
        // Default to codec bit depth if output bit depth not set
        unsigned int output_bit_depth;
        if (!fixed_output_bit_depth && single_file && !do_md5) {
          output_bit_depth = img->bit_depth;
        } else {
          output_bit_depth = fixed_output_bit_depth;
        }
        // Shift up or down if necessary
        if (output_bit_depth != 0)
          aom_shift_img(output_bit_depth, &img, &img_shifted);

        aom_input_ctx.width = img->d_w;
        aom_input_ctx.height = img->d_h;

        int num_planes = (opt_raw && img->monochrome) ? 1 : 3;
        if (single_file) {
          if (use_y4m) {
            char y4m_buf[Y4M_BUFFER_SIZE] = { 0 };
            size_t len = 0;
            if (frame_out == 1) {
              // Y4M file header
              len = y4m_write_file_header(
                  y4m_buf, sizeof(y4m_buf), aom_input_ctx.width,
                  aom_input_ctx.height, &aom_input_ctx.framerate,
                  img->monochrome, img->csp, img->fmt, img->bit_depth);
              if (img->csp == AOM_CSP_COLOCATED) {
                fprintf(stderr,
                        "Warning: Y4M lacks a colorspace for colocated "
                        "chroma. Using a placeholder.\n");
              }
              if (do_md5) {
                MD5Update(&md5_ctx, (md5byte *)y4m_buf, (unsigned int)len);
              } else {
                fputs(y4m_buf, outfile);
              }
            }

            // Y4M frame header
            len = y4m_write_frame_header(y4m_buf, sizeof(y4m_buf));
            if (do_md5) {
              MD5Update(&md5_ctx, (md5byte *)y4m_buf, (unsigned int)len);
              y4m_update_image_md5(img, planes, &md5_ctx);
            } else {
              fputs(y4m_buf, outfile);
              y4m_write_image_file(img, planes, outfile);
            }
          } else {
            if (frame_out == 1) {
              // Check if --yv12 or --i420 options are consistent with the
              // bit-stream decoded
              if (opt_i420) {
                if (img->fmt != AOM_IMG_FMT_I420 &&
                    img->fmt != AOM_IMG_FMT_I42016) {
                  fprintf(stderr,
                          "Cannot produce i420 output for bit-stream.\n");
                  goto fail;
                }
              }
              if (opt_yv12) {
                if ((img->fmt != AOM_IMG_FMT_I420 &&
                     img->fmt != AOM_IMG_FMT_YV12) ||
                    img->bit_depth != 8) {
                  fprintf(stderr,
                          "Cannot produce yv12 output for bit-stream.\n");
                  goto fail;
                }
              }
            }
            if (do_md5) {
              raw_update_image_md5(img, planes, num_planes, &md5_ctx);
            } else {
              raw_write_image_file(img, planes, num_planes, outfile);
            }
          }
        } else {
          generate_filename(outfile_pattern, outfile_name, PATH_MAX, img->d_w,
                            img->d_h, frame_in);
          if (do_md5) {
            MD5Init(&md5_ctx);
            if (use_y4m) {
              y4m_update_image_md5(img, planes, &md5_ctx);
            } else {
              raw_update_image_md5(img, planes, num_planes, &md5_ctx);
            }
            MD5Final(md5_digest, &md5_ctx);
            print_md5(md5_digest, outfile_name);
          } else {
            outfile = open_outfile(outfile_name);
            if (use_y4m) {
              y4m_write_image_file(img, planes, outfile);
            } else {
              raw_write_image_file(img, planes, num_planes, outfile);
            }
            fclose(outfile);
          }
        }
      }
    }
  }

  if (summary || progress) {
    show_progress(frame_in, frame_out, dx_time);
    fprintf(stderr, "\n");
  }

  if (frames_corrupted) {
    fprintf(stderr, "WARNING: %d frames corrupted.\n", frames_corrupted);
  } else {
    ret = EXIT_SUCCESS;
  }

fail:

  if (aom_codec_destroy(&decoder)) {
    fprintf(stderr, "Failed to destroy decoder: %s\n",
            aom_codec_error(&decoder));
  }

fail2:

  if (!noblit && single_file) {
    if (do_md5) {
      MD5Final(md5_digest, &md5_ctx);
      print_md5(md5_digest, outfile_name);
    } else {
      fclose(outfile);
    }
  }

#if CONFIG_WEBM_IO
  if (input.aom_input_ctx->file_type == FILE_TYPE_WEBM)
    webm_free(input.webm_ctx);
#endif
  if (input.aom_input_ctx->file_type == FILE_TYPE_OBU)
    obudec_free(input.obu_ctx);

  if (input.aom_input_ctx->file_type != FILE_TYPE_WEBM) free(buf);

  if (scaled_img) aom_img_free(scaled_img);
  if (img_shifted) aom_img_free(img_shifted);

  for (i = 0; i < ext_fb_list.num_external_frame_buffers; ++i) {
    free(ext_fb_list.ext_fb[i].data);
  }
  free(ext_fb_list.ext_fb);

  fclose(infile);
  if (framestats_file) fclose(framestats_file);

  free(argv);

  return ret;
}