Exemplo n.º 1
0
int main(int argc, char **argv) {
  VpxVideoWriter *outfile[VPX_TS_MAX_LAYERS] = {NULL};
  vpx_codec_ctx_t codec;
  vpx_codec_enc_cfg_t cfg;
  int frame_cnt = 0;
  vpx_image_t raw;
  vpx_codec_err_t res;
  unsigned int width;
  unsigned int height;
  int speed;
  int frame_avail;
  int got_data;
  int flags = 0;
  unsigned int i;
  int pts = 0;  // PTS starts at 0.
  int frame_duration = 1;  // 1 timebase tick per frame.
  int layering_mode = 0;
  int layer_flags[VPX_TS_MAX_PERIODICITY] = {0};
  int flag_periodicity = 1;
#if VPX_ENCODER_ABI_VERSION > (4 + VPX_CODEC_ABI_VERSION)
  vpx_svc_layer_id_t layer_id = {0, 0};
#else
  vpx_svc_layer_id_t layer_id = {0};
#endif
  const VpxInterface *encoder = NULL;
  FILE *infile = NULL;
  struct RateControlMetrics rc;
  int64_t cx_time = 0;
  const int min_args_base = 11;
#if CONFIG_VP9_HIGHBITDEPTH
  vpx_bit_depth_t bit_depth = VPX_BITS_8;
  int input_bit_depth = 8;
  const int min_args = min_args_base + 1;
#else
  const int min_args = min_args_base;
#endif  // CONFIG_VP9_HIGHBITDEPTH
  double sum_bitrate = 0.0;
  double sum_bitrate2 = 0.0;
  double framerate  = 30.0;

  exec_name = argv[0];
  // Check usage and arguments.
  if (argc < min_args) {
#if CONFIG_VP9_HIGHBITDEPTH
    die("Usage: %s <infile> <outfile> <codec_type(vp8/vp9)> <width> <height> "
        "<rate_num> <rate_den> <speed> <frame_drop_threshold> <mode> "
        "<Rate_0> ... <Rate_nlayers-1> <bit-depth> \n", argv[0]);
#else
    die("Usage: %s <infile> <outfile> <codec_type(vp8/vp9)> <width> <height> "
        "<rate_num> <rate_den> <speed> <frame_drop_threshold> <mode> "
        "<Rate_0> ... <Rate_nlayers-1> \n", argv[0]);
#endif  // CONFIG_VP9_HIGHBITDEPTH
  }

  encoder = get_vpx_encoder_by_name(argv[3]);
  if (!encoder)
    die("Unsupported codec.");

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

  width = strtol(argv[4], NULL, 0);
  height = strtol(argv[5], NULL, 0);
  if (width < 16 || width % 2 || height < 16 || height % 2) {
    die("Invalid resolution: %d x %d", width, height);
  }

  layering_mode = strtol(argv[10], NULL, 0);
  if (layering_mode < 0 || layering_mode > 12) {
    die("Invalid layering mode (0..12) %s", argv[10]);
  }

  if (argc != min_args + mode_to_num_layers[layering_mode]) {
    die("Invalid number of arguments");
  }

#if CONFIG_VP9_HIGHBITDEPTH
  switch (strtol(argv[argc-1], NULL, 0)) {
    case 8:
      bit_depth = VPX_BITS_8;
      input_bit_depth = 8;
      break;
    case 10:
      bit_depth = VPX_BITS_10;
      input_bit_depth = 10;
      break;
    case 12:
      bit_depth = VPX_BITS_12;
      input_bit_depth = 12;
      break;
    default:
      die("Invalid bit depth (8, 10, 12) %s", argv[argc-1]);
  }
  if (!vpx_img_alloc(&raw,
                     bit_depth == VPX_BITS_8 ? VPX_IMG_FMT_I420 :
                                               VPX_IMG_FMT_I42016,
                     width, height, 32)) {
    die("Failed to allocate image", width, height);
  }
#else
  if (!vpx_img_alloc(&raw, VPX_IMG_FMT_I420, width, height, 32)) {
    die("Failed to allocate image", width, height);
  }
#endif  // CONFIG_VP9_HIGHBITDEPTH

  // Populate encoder configuration.
  res = vpx_codec_enc_config_default(encoder->codec_interface(), &cfg, 0);
  if (res) {
    printf("Failed to get config: %s\n", vpx_codec_err_to_string(res));
    return EXIT_FAILURE;
  }

  // Update the default configuration with our settings.
  cfg.g_w = width;
  cfg.g_h = height;

#if CONFIG_VP9_HIGHBITDEPTH
  if (bit_depth != VPX_BITS_8) {
    cfg.g_bit_depth = bit_depth;
    cfg.g_input_bit_depth = input_bit_depth;
    cfg.g_profile = 2;
  }
#endif  // CONFIG_VP9_HIGHBITDEPTH

  // Timebase format e.g. 30fps: numerator=1, demoninator = 30.
  cfg.g_timebase.num = strtol(argv[6], NULL, 0);
  cfg.g_timebase.den = strtol(argv[7], NULL, 0);

  speed = strtol(argv[8], NULL, 0);
  if (speed < 0) {
    die("Invalid speed setting: must be positive");
  }

  for (i = min_args_base;
       (int)i < min_args_base + mode_to_num_layers[layering_mode];
       ++i) {
    rc.layer_target_bitrate[i - 11] = strtol(argv[i], NULL, 0);
    if (strncmp(encoder->name, "vp8", 3) == 0)
      cfg.ts_target_bitrate[i - 11] = rc.layer_target_bitrate[i - 11];
    else if (strncmp(encoder->name, "vp9", 3) == 0)
      cfg.layer_target_bitrate[i - 11] = rc.layer_target_bitrate[i - 11];
  }

  // Real time parameters.
  cfg.rc_dropframe_thresh = strtol(argv[9], NULL, 0);
  cfg.rc_end_usage = VPX_CBR;
  cfg.rc_min_quantizer = 2;
  cfg.rc_max_quantizer = 56;
  if (strncmp(encoder->name, "vp9", 3) == 0)
    cfg.rc_max_quantizer = 52;
  cfg.rc_undershoot_pct = 50;
  cfg.rc_overshoot_pct = 50;
  cfg.rc_buf_initial_sz = 500;
  cfg.rc_buf_optimal_sz = 600;
  cfg.rc_buf_sz = 1000;

  // Disable dynamic resizing by default.
  cfg.rc_resize_allowed = 0;

  // Use 1 thread as default.
  cfg.g_threads = 1;

  // Enable error resilient mode.
  cfg.g_error_resilient = 1;
  cfg.g_lag_in_frames   = 0;
  cfg.kf_mode = VPX_KF_AUTO;

  // Disable automatic keyframe placement.
  cfg.kf_min_dist = cfg.kf_max_dist = 3000;

  cfg.temporal_layering_mode = VP9E_TEMPORAL_LAYERING_MODE_BYPASS;

  set_temporal_layer_pattern(layering_mode,
                             &cfg,
                             layer_flags,
                             &flag_periodicity);

  set_rate_control_metrics(&rc, &cfg);

  // Target bandwidth for the whole stream.
  // Set to layer_target_bitrate for highest layer (total bitrate).
  cfg.rc_target_bitrate = rc.layer_target_bitrate[cfg.ts_number_layers - 1];

  // Open input file.
  if (!(infile = fopen(argv[1], "rb"))) {
    die("Failed to open %s for reading", argv[1]);
  }

  framerate = cfg.g_timebase.den / cfg.g_timebase.num;
  // Open an output file for each stream.
  for (i = 0; i < cfg.ts_number_layers; ++i) {
    char file_name[PATH_MAX];
    VpxVideoInfo info;
    info.codec_fourcc = encoder->fourcc;
    info.frame_width = cfg.g_w;
    info.frame_height = cfg.g_h;
    info.time_base.numerator = cfg.g_timebase.num;
    info.time_base.denominator = cfg.g_timebase.den;

    snprintf(file_name, sizeof(file_name), "%s_%d.ivf", argv[2], i);
    outfile[i] = vpx_video_writer_open(file_name, kContainerIVF, &info);
    if (!outfile[i])
      die("Failed to open %s for writing", file_name);

    assert(outfile[i] != NULL);
  }
  // No spatial layers in this encoder.
  cfg.ss_number_layers = 1;

  // Initialize codec.
#if CONFIG_VP9_HIGHBITDEPTH
  if (vpx_codec_enc_init(
          &codec, encoder->codec_interface(), &cfg,
          bit_depth == VPX_BITS_8 ? 0 : VPX_CODEC_USE_HIGHBITDEPTH))
#else
  if (vpx_codec_enc_init(&codec, encoder->codec_interface(), &cfg, 0))
#endif  // CONFIG_VP9_HIGHBITDEPTH
    die_codec(&codec, "Failed to initialize encoder");

  // configuration for vp8/vp9
  if (strncmp(encoder->name, "vp8", 3) == 0) {
    vpx_codec_control(&codec, VP8E_SET_CPUUSED, -speed);
    vpx_codec_control(&codec, VP8E_SET_NOISE_SENSITIVITY, kDenoiserOff);
    vpx_codec_control(&codec, VP8E_SET_STATIC_THRESHOLD, 0);
  } else if (strncmp(encoder->name, "vp9", 3) == 0) {
    vpx_svc_extra_cfg_t svc_params;
    vpx_codec_control(&codec, VP8E_SET_CPUUSED, speed);
    vpx_codec_control(&codec, VP9E_SET_AQ_MODE, 3);
    vpx_codec_control(&codec, VP9E_SET_FRAME_PERIODIC_BOOST, 0);
    vpx_codec_control(&codec, VP9E_SET_NOISE_SENSITIVITY, 0);
    vpx_codec_control(&codec, VP8E_SET_STATIC_THRESHOLD, 0);
    vpx_codec_control(&codec, VP9E_SET_TUNE_CONTENT, 0);
    vpx_codec_control(&codec, VP9E_SET_TILE_COLUMNS, (cfg.g_threads >> 1));
    if (vpx_codec_control(&codec, VP9E_SET_SVC, layering_mode > 0 ? 1: 0))
      die_codec(&codec, "Failed to set SVC");
    for (i = 0; i < cfg.ts_number_layers; ++i) {
      svc_params.max_quantizers[i] = cfg.rc_max_quantizer;
      svc_params.min_quantizers[i] = cfg.rc_min_quantizer;
    }
    svc_params.scaling_factor_num[0] = cfg.g_h;
    svc_params.scaling_factor_den[0] = cfg.g_h;
    vpx_codec_control(&codec, VP9E_SET_SVC_PARAMETERS, &svc_params);
  }
Exemplo n.º 2
0
int main(int argc, char **argv) {
  VpxVideoWriter *outfile[VPX_TS_MAX_LAYERS] = {NULL};
  vpx_codec_ctx_t codec;
  vpx_codec_enc_cfg_t cfg;
  int frame_cnt = 0;
  vpx_image_t raw;
  vpx_codec_err_t res;
  unsigned int width;
  unsigned int height;
  int speed;
  int frame_avail;
  int got_data;
  int flags = 0;
  unsigned int i;
  int pts = 0;  // PTS starts at 0.
  int frame_duration = 1;  // 1 timebase tick per frame.
  int layering_mode = 0;
  int layer_flags[VPX_TS_MAX_PERIODICITY] = {0};
  int flag_periodicity = 1;
  vpx_svc_layer_id_t layer_id = {0, 0};
  const VpxInterface *encoder = NULL;
  FILE *infile = NULL;
  struct RateControlMetrics rc;
  int64_t cx_time = 0;
  const int min_args_base = 11;
#if CONFIG_VP9_HIGHBITDEPTH
  vpx_bit_depth_t bit_depth = VPX_BITS_8;
  int input_bit_depth = 8;
  const int min_args = min_args_base + 1;
#else
  const int min_args = min_args_base;
#endif  // CONFIG_VP9_HIGHBITDEPTH
  double sum_bitrate = 0.0;
  double sum_bitrate2 = 0.0;
  double framerate  = 30.0;

  exec_name = argv[0];
  // Check usage and arguments.
  if (argc < min_args) {
#if CONFIG_VP9_HIGHBITDEPTH
    die("Usage: %s <infile> <outfile> <codec_type(vp8/vp9)> <width> <height> "
        "<rate_num> <rate_den> <speed> <frame_drop_threshold> <mode> "
        "<Rate_0> ... <Rate_nlayers-1> <bit-depth> \n", argv[0]);
#else
    die("Usage: %s <infile> <outfile> <codec_type(vp8/vp9)> <width> <height> "
        "<rate_num> <rate_den> <speed> <frame_drop_threshold> <mode> "
        "<Rate_0> ... <Rate_nlayers-1> \n", argv[0]);
#endif  // CONFIG_VP9_HIGHBITDEPTH
  }

  encoder = get_vpx_encoder_by_name(argv[3]);
  if (!encoder)
    die("Unsupported codec.");

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

  width = strtol(argv[4], NULL, 0);
  height = strtol(argv[5], NULL, 0);
  if (width < 16 || width % 2 || height < 16 || height % 2) {
    die("Invalid resolution: %d x %d", width, height);
  }

  layering_mode = strtol(argv[10], NULL, 0);
  if (layering_mode < 0 || layering_mode > 12) {
    die("Invalid layering mode (0..12) %s", argv[10]);
  }

  if (argc != min_args + mode_to_num_layers[layering_mode]) {
    die("Invalid number of arguments");
  }

#if CONFIG_VP9_HIGHBITDEPTH
  switch (strtol(argv[argc-1], NULL, 0)) {
    case 8:
      bit_depth = VPX_BITS_8;
      input_bit_depth = 8;
      break;
    case 10:
      bit_depth = VPX_BITS_10;
      input_bit_depth = 10;
      break;
    case 12:
      bit_depth = VPX_BITS_12;
      input_bit_depth = 12;
      break;
    default:
      die("Invalid bit depth (8, 10, 12) %s", argv[argc-1]);
  }
  if (!vpx_img_alloc(&raw,
                     bit_depth == VPX_BITS_8 ? VPX_IMG_FMT_I420 :
                                               VPX_IMG_FMT_I42016,
                     width, height, 32)) {
    die("Failed to allocate image", width, height);
  }
#else
  if (!vpx_img_alloc(&raw, VPX_IMG_FMT_I420, width, height, 32)) {
    die("Failed to allocate image", width, height);
  }
#endif  // CONFIG_VP9_HIGHBITDEPTH

  // Populate encoder configuration.
  res = vpx_codec_enc_config_default(encoder->codec_interface(), &cfg, 0);
  if (res) {
    printf("Failed to get config: %s\n", vpx_codec_err_to_string(res));
    return EXIT_FAILURE;
  }

  // Update the default configuration with our settings.
  cfg.g_w = width;
  cfg.g_h = height;

#if CONFIG_VP9_HIGHBITDEPTH
  if (bit_depth != VPX_BITS_8) {
    cfg.g_bit_depth = bit_depth;
    cfg.g_input_bit_depth = input_bit_depth;
    cfg.g_profile = 2;
  }
#endif  // CONFIG_VP9_HIGHBITDEPTH

  // Timebase format e.g. 30fps: numerator=1, demoninator = 30.
  cfg.g_timebase.num = strtol(argv[6], NULL, 0);
  cfg.g_timebase.den = strtol(argv[7], NULL, 0);

  speed = strtol(argv[8], NULL, 0);
  if (speed < 0) {
    die("Invalid speed setting: must be positive");
  }

  for (i = min_args_base;
       (int)i < min_args_base + mode_to_num_layers[layering_mode];
       ++i) {
    cfg.ts_target_bitrate[i - 11] = strtol(argv[i], NULL, 0);
  }

  // Real time parameters.
  cfg.rc_dropframe_thresh = strtol(argv[9], NULL, 0);
  cfg.rc_end_usage = VPX_CBR;
  cfg.rc_resize_allowed = 0;
  cfg.rc_min_quantizer = 2;
  cfg.rc_max_quantizer = 56;
  cfg.rc_undershoot_pct = 50;
  cfg.rc_overshoot_pct = 50;
  cfg.rc_buf_initial_sz = 500;
  cfg.rc_buf_optimal_sz = 600;
  cfg.rc_buf_sz = 1000;

  // Enable error resilient mode.
  cfg.g_error_resilient = 1;
  cfg.g_lag_in_frames   = 0;
  cfg.kf_mode = VPX_KF_AUTO;

  // Disable automatic keyframe placement.
  cfg.kf_min_dist = cfg.kf_max_dist = 3000;

  set_temporal_layer_pattern(layering_mode,
                             &cfg,
                             layer_flags,
                             &flag_periodicity);

  set_rate_control_metrics(&rc, &cfg);

  // Target bandwidth for the whole stream.
  // Set to ts_target_bitrate for highest layer (total bitrate).
  cfg.rc_target_bitrate = cfg.ts_target_bitrate[cfg.ts_number_layers - 1];

  // Open input file.
  if (!(infile = fopen(argv[1], "rb"))) {
    die("Failed to open %s for reading", argv[1]);
  }

  framerate = cfg.g_timebase.den / cfg.g_timebase.num;
  // Open an output file for each stream.
  for (i = 0; i < cfg.ts_number_layers; ++i) {
    char file_name[PATH_MAX];
    VpxVideoInfo info;
    info.codec_fourcc = encoder->fourcc;
    info.frame_width = cfg.g_w;
    info.frame_height = cfg.g_h;
    info.time_base.numerator = cfg.g_timebase.num;
    info.time_base.denominator = cfg.g_timebase.den;

    snprintf(file_name, sizeof(file_name), "%s_%d.ivf", argv[2], i);
    outfile[i] = vpx_video_writer_open(file_name, kContainerIVF, &info);
    if (!outfile[i])
      die("Failed to open %s for writing", file_name);

    assert(outfile[i] != NULL);
  }
  // No spatial layers in this encoder.
  cfg.ss_number_layers = 1;

  // Initialize codec.
#if CONFIG_VP9_HIGHBITDEPTH
  if (vpx_codec_enc_init(
          &codec, encoder->codec_interface(), &cfg,
          bit_depth == VPX_BITS_8 ? 0 : VPX_CODEC_USE_HIGHBITDEPTH))
#else
  if (vpx_codec_enc_init(&codec, encoder->codec_interface(), &cfg, 0))
#endif  // CONFIG_VP9_HIGHBITDEPTH
    die_codec(&codec, "Failed to initialize encoder");

  if (strncmp(encoder->name, "vp8", 3) == 0) {
    vpx_codec_control(&codec, VP8E_SET_CPUUSED, -speed);
    vpx_codec_control(&codec, VP8E_SET_NOISE_SENSITIVITY, kDenoiserOnYOnly);
  } else if (strncmp(encoder->name, "vp9", 3) == 0) {
      vpx_codec_control(&codec, VP8E_SET_CPUUSED, speed);
      vpx_codec_control(&codec, VP9E_SET_AQ_MODE, 3);
      vpx_codec_control(&codec, VP9E_SET_FRAME_PERIODIC_BOOST, 0);
      vpx_codec_control(&codec, VP9E_SET_NOISE_SENSITIVITY, 0);
      if (vpx_codec_control(&codec, VP9E_SET_SVC, layering_mode > 0 ? 1: 0)) {
        die_codec(&codec, "Failed to set SVC");
    }
  }
  vpx_codec_control(&codec, VP8E_SET_STATIC_THRESHOLD, 1);
  vpx_codec_control(&codec, VP8E_SET_TOKEN_PARTITIONS, 1);
  // This controls the maximum target size of the key frame.
  // For generating smaller key frames, use a smaller max_intra_size_pct
  // value, like 100 or 200.
  {
    const int max_intra_size_pct = 900;
    vpx_codec_control(&codec, VP8E_SET_MAX_INTRA_BITRATE_PCT,
                      max_intra_size_pct);
  }

  frame_avail = 1;
  while (frame_avail || got_data) {
    struct vpx_usec_timer timer;
    vpx_codec_iter_t iter = NULL;
    const vpx_codec_cx_pkt_t *pkt;
    // Update the temporal layer_id. No spatial layers in this test.
    layer_id.spatial_layer_id = 0;
    layer_id.temporal_layer_id =
        cfg.ts_layer_id[frame_cnt % cfg.ts_periodicity];
    if (strncmp(encoder->name, "vp9", 3) == 0) {
      vpx_codec_control(&codec, VP9E_SET_SVC_LAYER_ID, &layer_id);
    }
    flags = layer_flags[frame_cnt % flag_periodicity];
    frame_avail = vpx_img_read(&raw, infile);
    if (frame_avail)
      ++rc.layer_input_frames[layer_id.temporal_layer_id];
    vpx_usec_timer_start(&timer);
    if (vpx_codec_encode(&codec, frame_avail? &raw : NULL, pts, 1, flags,
        VPX_DL_REALTIME)) {
      die_codec(&codec, "Failed to encode frame");
    }
    vpx_usec_timer_mark(&timer);
    cx_time += vpx_usec_timer_elapsed(&timer);
    // Reset KF flag.
    if (layering_mode != 7) {
      layer_flags[0] &= ~VPX_EFLAG_FORCE_KF;
    }
    got_data = 0;
    while ( (pkt = vpx_codec_get_cx_data(&codec, &iter)) ) {
      got_data = 1;
      switch (pkt->kind) {
        case VPX_CODEC_CX_FRAME_PKT:
          for (i = cfg.ts_layer_id[frame_cnt % cfg.ts_periodicity];
              i < cfg.ts_number_layers; ++i) {
            vpx_video_writer_write_frame(outfile[i], pkt->data.frame.buf,
                                         pkt->data.frame.sz, pts);
            ++rc.layer_tot_enc_frames[i];
            rc.layer_encoding_bitrate[i] += 8.0 * pkt->data.frame.sz;
            // Keep count of rate control stats per layer (for non-key frames).
            if (i == cfg.ts_layer_id[frame_cnt % cfg.ts_periodicity] &&
                !(pkt->data.frame.flags & VPX_FRAME_IS_KEY)) {
              rc.layer_avg_frame_size[i] += 8.0 * pkt->data.frame.sz;
              rc.layer_avg_rate_mismatch[i] +=
                  fabs(8.0 * pkt->data.frame.sz - rc.layer_pfb[i]) /
                  rc.layer_pfb[i];
              ++rc.layer_enc_frames[i];
            }
          }
          // Update for short-time encoding bitrate states, for moving window
          // of size rc->window, shifted by rc->window / 2.
          // Ignore first window segment, due to key frame.
          if (frame_cnt > rc.window_size) {
            sum_bitrate += 0.001 * 8.0 * pkt->data.frame.sz * framerate;
            if (frame_cnt % rc.window_size == 0) {
              rc.window_count += 1;
              rc.avg_st_encoding_bitrate += sum_bitrate / rc.window_size;
              rc.variance_st_encoding_bitrate +=
                  (sum_bitrate / rc.window_size) *
                  (sum_bitrate / rc.window_size);
              sum_bitrate = 0.0;
            }
          }
          // Second shifted window.
          if (frame_cnt > rc.window_size + rc.window_size / 2) {
            sum_bitrate2 += 0.001 * 8.0 * pkt->data.frame.sz * framerate;
            if (frame_cnt > 2 * rc.window_size &&
                frame_cnt % rc.window_size == 0) {
              rc.window_count += 1;
              rc.avg_st_encoding_bitrate += sum_bitrate2 / rc.window_size;
              rc.variance_st_encoding_bitrate +=
                  (sum_bitrate2 / rc.window_size) *
                  (sum_bitrate2 / rc.window_size);
              sum_bitrate2 = 0.0;
            }
          }
          break;
          default:
            break;
      }
    }
    ++frame_cnt;
    pts += frame_duration;
  }
  fclose(infile);
  printout_rate_control_summary(&rc, &cfg, frame_cnt);
  printf("\n");
  printf("Frame cnt and encoding time/FPS stats for encoding: %d %f %f \n",
          frame_cnt,
          1000 * (float)cx_time / (double)(frame_cnt * 1000000),
          1000000 * (double)frame_cnt / (double)cx_time);

  if (vpx_codec_destroy(&codec))
    die_codec(&codec, "Failed to destroy codec");

  // Try to rewrite the output file headers with the actual frame count.
  for (i = 0; i < cfg.ts_number_layers; ++i)
    vpx_video_writer_close(outfile[i]);

  vpx_img_free(&raw);
  return EXIT_SUCCESS;
}