コード例 #1
0
ファイル: simple_decoder.c プロジェクト: jfiguinha/Regards
int main(int argc, char **argv) {
  int frame_cnt = 0;
  FILE *outfile = NULL;
  aom_codec_ctx_t codec;
  AvxVideoReader *reader = NULL;
  const AvxInterface *decoder = NULL;
  const AvxVideoInfo *info = NULL;

  exec_name = argv[0];

  if (argc != 3) die("Invalid number of arguments.");

  reader = aom_video_reader_open(argv[1]);
  if (!reader) die("Failed to open %s for reading.", argv[1]);

  if (!(outfile = fopen(argv[2], "wb")))
    die("Failed to open %s for writing.", argv[2]);

  info = aom_video_reader_get_info(reader);

  decoder = get_aom_decoder_by_fourcc(info->codec_fourcc);
  if (!decoder) die("Unknown input codec.");

  printf("Using %s\n", aom_codec_iface_name(decoder->codec_interface()));

  if (aom_codec_dec_init(&codec, decoder->codec_interface(), NULL, 0))
    die_codec(&codec, "Failed to initialize decoder.");

  while (aom_video_reader_read_frame(reader)) {
    aom_codec_iter_t iter = NULL;
    aom_image_t *img = NULL;
    size_t frame_size = 0;
    const unsigned char *frame =
        aom_video_reader_get_frame(reader, &frame_size);
    if (aom_codec_decode(&codec, frame, frame_size, NULL))
      die_codec(&codec, "Failed to decode frame.");

    while ((img = aom_codec_get_frame(&codec, &iter)) != NULL) {
      aom_img_write(img, outfile);
      ++frame_cnt;
    }
  }

  printf("Processed %d frames.\n", frame_cnt);
  if (aom_codec_destroy(&codec)) die_codec(&codec, "Failed to destroy codec");

  printf("Play: ffplay -f rawvideo -pix_fmt yuv420p -s %dx%d %s\n",
         info->frame_width, info->frame_height, argv[2]);

  aom_video_reader_close(reader);

  fclose(outfile);

  return EXIT_SUCCESS;
}
コード例 #2
0
ファイル: analyzer_decoder.c プロジェクト: mbebenita/aom
EMSCRIPTEN_KEEPALIVE
int open_file(char *file) {
  if (file == NULL) {
    file = "/tmp/input.ivf";
  }
  reader = aom_video_reader_open(file);
  if (!reader) die("Failed to open %s for reading.", file);

  info = aom_video_reader_get_info(reader);

  decoder = get_aom_decoder_by_fourcc(info->codec_fourcc);
  if (!decoder) die("Unknown input codec.");
  printf("Using %s\n", aom_codec_iface_name(decoder->codec_interface()));

  if (aom_codec_dec_init(&codec, decoder->codec_interface(), NULL, 0))
    die_codec(&codec, "Failed to initialize decoder.");

  init_analyzer();
  aom_codec_control(&codec, ANALYZER_SET_DATA, &analyzer_data);

  printf("Opened file %s okay.\n", file);
  return EXIT_SUCCESS;
}
コード例 #3
0
ファイル: aomdec.c プロジェクト: brion/aomedia
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;
}
コード例 #4
0
int main(int argc, char **argv) {
  aom_codec_ctx_t codec;
  AvxVideoReader *reader = NULL;
  AvxVideoWriter *writer = NULL;
  const AvxInterface *decoder = NULL;
  const AvxVideoInfo *info = NULL;
  int num_references;
  int i;
  aom_codec_pts_t pts;
  const char *tile_list_file = NULL;

  exec_name = argv[0];
  if (argc != 5) die("Invalid number of arguments.");

  reader = aom_video_reader_open(argv[1]);
  if (!reader) die("Failed to open %s for reading.", argv[1]);

  num_references = (int)strtol(argv[3], NULL, 0);
  info = aom_video_reader_get_info(reader);

  // The writer to write out ivf file in tile list OBU, which can be decoded by
  // AV1 decoder.
  writer = aom_video_writer_open(argv[2], kContainerIVF, info);
  if (!writer) die("Failed to open %s for writing", argv[2]);

  tile_list_file = argv[4];

  decoder = get_aom_decoder_by_fourcc(info->codec_fourcc);
  if (!decoder) die("Unknown input codec.");
  printf("Using %s\n", aom_codec_iface_name(decoder->codec_interface()));

  if (aom_codec_dec_init(&codec, decoder->codec_interface(), NULL, 0))
    die_codec(&codec, "Failed to initialize decoder.");

  // Decode anchor frames.
  aom_codec_control_(&codec, AV1_SET_TILE_MODE, 0);

  printf("Reading %d reference images.\n", num_references);
  for (i = 0; i < num_references; ++i) {
    aom_video_reader_read_frame(reader);

    size_t frame_size = 0;
    const unsigned char *frame =
        aom_video_reader_get_frame(reader, &frame_size);
    pts = (aom_codec_pts_t)aom_video_reader_get_frame_pts(reader);

    // Copy references bitstream directly.
    if (!aom_video_writer_write_frame(writer, frame, frame_size, pts))
      die_codec(&codec, "Failed to copy compressed anchor frame.");

    if (aom_codec_decode(&codec, frame, frame_size, NULL))
      die_codec(&codec, "Failed to decode frame.");
  }

  // Decode camera frames.
  aom_codec_control_(&codec, AV1_SET_TILE_MODE, 1);
  aom_codec_control_(&codec, AV1D_EXT_TILE_DEBUG, 1);

  FILE *infile = aom_video_reader_get_file(reader);
  // Record the offset of the first camera image.
  const FileOffset camera_frame_pos = ftello(infile);

  printf("Loading compressed frames into memory.\n");

  // Count the frames in the lightfield.
  int num_frames = 0;
  while (aom_video_reader_read_frame(reader)) {
    ++num_frames;
  }
  if (num_frames < 1) die("Input light field has no frames.");

  // Read all of the lightfield frames into memory.
  unsigned char **frames =
      (unsigned char **)malloc(num_frames * sizeof(unsigned char *));
  size_t *frame_sizes = (size_t *)malloc(num_frames * sizeof(size_t));
  // Seek to the first camera image.
  fseeko(infile, camera_frame_pos, SEEK_SET);
  for (int f = 0; f < num_frames; ++f) {
    aom_video_reader_read_frame(reader);
    size_t frame_size = 0;
    const unsigned char *frame =
        aom_video_reader_get_frame(reader, &frame_size);
    frames[f] = (unsigned char *)malloc(frame_size * sizeof(unsigned char));
    memcpy(frames[f], frame, frame_size);
    frame_sizes[f] = frame_size;
  }
  printf("Read %d frames.\n", num_frames);

  // Copy first camera frame for getting camera frame header. This is done
  // only once.
  {
    size_t frame_size = frame_sizes[0];
    const unsigned char *frame = frames[0];
    pts = num_references;
    aom_tile_data frame_header_info = { 0, NULL, 0 };

    // Need to decode frame header to get camera frame header info. So, here
    // decoding 1 tile is enough.
    aom_codec_control_(&codec, AV1_SET_DECODE_TILE_ROW, 0);
    aom_codec_control_(&codec, AV1_SET_DECODE_TILE_COL, 0);

    aom_codec_err_t aom_status =
        aom_codec_decode(&codec, frame, frame_size, NULL);
    if (aom_status) die_codec(&codec, "Failed to decode tile.");

    aom_codec_control_(&codec, AV1D_GET_FRAME_HEADER_INFO, &frame_header_info);

    size_t obu_size_offset =
        (uint8_t *)frame_header_info.coded_tile_data - frame;
    size_t length_field_size = frame_header_info.coded_tile_data_size;
    // Remove ext-tile tile info.
    uint32_t frame_header_size = (uint32_t)frame_header_info.extra_size - 1;
    size_t bytes_to_copy =
        obu_size_offset + length_field_size + frame_header_size;

    unsigned char *frame_hdr_buf = (unsigned char *)malloc(bytes_to_copy);
    if (frame_hdr_buf == NULL)
      die_codec(&codec, "Failed to allocate frame header buffer.");

    memcpy(frame_hdr_buf, frame, bytes_to_copy);

    // Update frame header OBU size.
    size_t bytes_written = 0;
    if (aom_uleb_encode_fixed_size(
            frame_header_size, length_field_size, length_field_size,
            frame_hdr_buf + obu_size_offset, &bytes_written))
      die_codec(&codec, "Failed to encode the tile list obu size.");

    // Copy camera frame header bitstream.
    if (!aom_video_writer_write_frame(writer, frame_hdr_buf, bytes_to_copy,
                                      pts))
      die_codec(&codec, "Failed to copy compressed camera frame header.");
    free(frame_hdr_buf);
  }

  // Read out the image format.
  aom_img_fmt_t ref_fmt = 0;
  if (aom_codec_control(&codec, AV1D_GET_IMG_FORMAT, &ref_fmt))
    die_codec(&codec, "Failed to get the image format");
  const int bps = get_image_bps(ref_fmt);
  if (!bps) die_codec(&codec, "Invalid image format.");
  // read out the tile size.
  unsigned int tile_size = 0;
  if (aom_codec_control(&codec, AV1D_GET_TILE_SIZE, &tile_size))
    die_codec(&codec, "Failed to get the tile size");
  const unsigned int tile_width = tile_size >> 16;
  const unsigned int tile_height = tile_size & 65535;
  // Allocate a buffer to store tile list bitstream.
  const size_t data_sz = MAX_TILES * ALIGN_POWER_OF_TWO(tile_width, 5) *
                         ALIGN_POWER_OF_TWO(tile_height, 5) * bps / 8;

  unsigned char *tl_buf = (unsigned char *)malloc(data_sz);
  if (tl_buf == NULL) die_codec(&codec, "Failed to allocate tile list buffer.");

  aom_codec_pts_t tl_pts = num_references;
  const uint8_t output_frame_width_in_tiles_minus_1 =
      output_frame_width / tile_width - 1;
  const uint8_t output_frame_height_in_tiles_minus_1 =
      output_frame_height / tile_height - 1;

  printf("Reading tile list from file.\n");
  char line[1024];
  FILE *tile_list_fptr = fopen(tile_list_file, "r");
  if (!tile_list_fptr) die_codec(&codec, "Failed to open tile list file.");
  int num_tiles = 0;
  TILE_LIST_INFO tiles[MAX_TILES];
  while ((fgets(line, 1024, tile_list_fptr)) != NULL) {
    if (line[0] == 'F' || num_tiles >= MAX_TILES) {
      // Flush existing tile list and start another, either because we hit a
      // new render frame or because we've hit our max number of tiles per list.
      if (num_tiles > 0) {
        process_tile_list(tiles, num_tiles, tl_pts, frames, frame_sizes, &codec,
                          tl_buf, writer, output_frame_width_in_tiles_minus_1,
                          output_frame_height_in_tiles_minus_1);
        ++tl_pts;
      }
      num_tiles = 0;
    }
    if (line[0] == 'F') {
      continue;
    }
    if (sscanf(line, "%d %d %d %d", &tiles[num_tiles].image_idx,
               &tiles[num_tiles].reference_idx, &tiles[num_tiles].tile_col,
               &tiles[num_tiles].tile_row) == 4) {
      if (tiles[num_tiles].image_idx >= num_frames) {
        die("Tile list image_idx out of bounds: %d >= %d.",
            tiles[num_tiles].image_idx, num_frames);
      }
      if (tiles[num_tiles].reference_idx >= num_references) {
        die("Tile list reference_idx out of bounds: %d >= %d.",
            tiles[num_tiles].reference_idx, num_references);
      }
      ++num_tiles;
    }
  }
  if (num_tiles > 0) {
    // Flush out the last tile list.
    process_tile_list(tiles, num_tiles, tl_pts, frames, frame_sizes, &codec,
                      tl_buf, writer, output_frame_width_in_tiles_minus_1,
                      output_frame_height_in_tiles_minus_1);
    ++tl_pts;
  }

  const int num_tile_lists = (int)(tl_pts - pts);
  printf("Finished processing tile lists.  Num tile lists: %d.\n",
         num_tile_lists);
  free(tl_buf);
  for (int f = 0; f < num_frames; ++f) {
    free(frames[f]);
  }
  free(frame_sizes);
  free(frames);
  if (aom_codec_destroy(&codec)) die_codec(&codec, "Failed to destroy codec");
  aom_video_writer_close(writer);
  aom_video_reader_close(reader);

  return EXIT_SUCCESS;
}
コード例 #5
0
ファイル: aomdec.c プロジェクト: jfiguinha/Regards
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;
}