Esempio n. 1
0
int main(int argc, char **argv) {
  int frame_cnt = 0;
  FILE *outfile = NULL;
  vpx_codec_ctx_t codec;
  VpxVideoReader *reader = NULL;
  const VpxVideoInfo *info = NULL;
  const VpxInterface *decoder = NULL;

  exec_name = argv[0];

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

  reader = vpx_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 = vpx_video_reader_get_info(reader);

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

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

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

  while (vpx_video_reader_read_frame(reader)) {
    vpx_codec_iter_t iter = NULL;
    vpx_image_t *img = NULL;
    size_t frame_size = 0;
    const unsigned char *frame = vpx_video_reader_get_frame(reader,
                                                            &frame_size);
    if (vpx_codec_decode(&codec, frame, (unsigned int)frame_size, NULL, 0))
      die_codec(&codec, "Failed to decode frame");

    while ((img = vpx_codec_get_frame(&codec, &iter)) != NULL) {
      unsigned char digest[16];

      get_image_md5(img, digest);
      print_md5(outfile, digest);
      fprintf(outfile, "  img-%dx%d-%04d.i420\n",
              img->d_w, img->d_h, ++frame_cnt);
    }
  }

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

  vpx_video_reader_close(reader);

  fclose(outfile);
  return EXIT_SUCCESS;
}
Esempio n. 2
0
int main(int argc, char **argv) {
  int frame_cnt = 0;
  FILE *outfile = NULL;
  vpx_codec_ctx_t codec;
  VpxVideoReader *reader = NULL;
  const VpxInterface *decoder = NULL;
  const VpxVideoInfo *info = NULL;

  exec_name = argv[0];

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

  reader = vpx_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 = vpx_video_reader_get_info(reader);

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

  printf("Using %s\n", vpx_codec_iface_name(decoder->interface()));

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

  while (vpx_video_reader_read_frame(reader)) {
    vpx_codec_iter_t iter = NULL;
    vpx_image_t *img = NULL;
    size_t frame_size = 0;
    const unsigned char *frame = vpx_video_reader_get_frame(reader,
                                                            &frame_size);
    if (vpx_codec_decode(&codec, frame, (unsigned int)frame_size, NULL, 0))
      die_codec(&codec, "Failed to decode frame.");

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

  printf("Processed %d frames.\n", frame_cnt);
  if (vpx_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]);

  vpx_video_reader_close(reader);

  fclose(outfile);

  return EXIT_SUCCESS;
}
int main(int argc, char **argv) {
  int frame_cnt = 0;
  FILE *outfile = NULL;
  vpx_codec_ctx_t codec;
  const VpxInterface *decoder = NULL;
  VpxVideoReader *reader = NULL;
  const VpxVideoInfo *info = NULL;
  int n = 0;
  int m = 0;
  int is_range = 0;
  char *nptr = NULL;

  exec_name = argv[0];

  if (argc != 4)
    die("Invalid number of arguments.");

  reader = vpx_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]);

  n = strtol(argv[3], &nptr, 0);
  m = strtol(nptr + 1, NULL, 0);
  is_range = (*nptr == '-');
  if (!n || !m || (*nptr != '-' && *nptr != '/'))
    die("Couldn't parse pattern %s.\n", argv[3]);

  info = vpx_video_reader_get_info(reader);

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

  printf("Using %s\n", vpx_codec_iface_name(decoder->interface()));

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

  while (vpx_video_reader_read_frame(reader)) {
    vpx_codec_iter_t iter = NULL;
    vpx_image_t *img = NULL;
    size_t frame_size = 0;
    int skip;
    const unsigned char *frame = vpx_video_reader_get_frame(reader,
                                                            &frame_size);
    if (vpx_codec_decode(&codec, frame, (unsigned int)frame_size, NULL, 0))
      die_codec(&codec, "Failed to decode frame.");

    ++frame_cnt;

    skip = (is_range && frame_cnt >= n && frame_cnt <= m) ||
           (!is_range && m - (frame_cnt - 1) % m <= n);

    if (!skip) {
      putc('.', stdout);

      while ((img = vpx_codec_get_frame(&codec, &iter)) != NULL)
        vpx_img_write(img, outfile);
    } else {
      putc('X', stdout);
    }

    fflush(stdout);
  }

  printf("Processed %d frames.\n", frame_cnt);
  if (vpx_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]);

  vpx_video_reader_close(reader);
  fclose(outfile);

  return EXIT_SUCCESS;
}
Esempio n. 4
0
int main(int argc, char **argv) {
  int frame_cnt = 0;
  FILE *outfile = NULL;
  vpx_codec_ctx_t codec;
  vpx_codec_err_t res;
  VpxVideoReader *reader = NULL;
  const VpxInterface *decoder = NULL;
  const VpxVideoInfo *info = NULL;

  exec_name = argv[0];

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

  reader = vpx_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 = vpx_video_reader_get_info(reader);

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

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

  res = vpx_codec_dec_init(&codec, decoder->codec_interface(), NULL,
                           VPX_CODEC_USE_POSTPROC);
  if (res == VPX_CODEC_INCAPABLE)
    die_codec(&codec, "Postproc not supported by this decoder.");

  if (res) die_codec(&codec, "Failed to initialize decoder.");

  while (vpx_video_reader_read_frame(reader)) {
    vpx_codec_iter_t iter = NULL;
    vpx_image_t *img = NULL;
    size_t frame_size = 0;
    const unsigned char *frame =
        vpx_video_reader_get_frame(reader, &frame_size);

    ++frame_cnt;

    if (frame_cnt % 30 == 1) {
      vp8_postproc_cfg_t pp = { 0, 0, 0 };

      if (vpx_codec_control(&codec, VP8_SET_POSTPROC, &pp))
        die_codec(&codec, "Failed to turn off postproc.");
    } else if (frame_cnt % 30 == 16) {
      vp8_postproc_cfg_t pp = { VP8_DEBLOCK | VP8_DEMACROBLOCK | VP8_MFQE, 4,
                                0 };
      if (vpx_codec_control(&codec, VP8_SET_POSTPROC, &pp))
        die_codec(&codec, "Failed to turn on postproc.");
    };

    // Decode the frame with 15ms deadline
    if (vpx_codec_decode(&codec, frame, (unsigned int)frame_size, NULL, 15000))
      die_codec(&codec, "Failed to decode frame");

    while ((img = vpx_codec_get_frame(&codec, &iter)) != NULL) {
      vpx_img_write(img, outfile);
    }
  }

  printf("Processed %d frames.\n", frame_cnt);
  if (vpx_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]);

  vpx_video_reader_close(reader);

  fclose(outfile);
  return EXIT_SUCCESS;
}