x264_gtk.c.svn-base

一個影像串流的壓縮方式H264加密方式

#endif

      dir = g_build_filename (g_get_home_dir (),
                              ".x264",
                              NULL);
#ifdef _WIN32
      res = mkdir (dir);
#else
      mode =
        S_IRUSR | S_IXUSR | S_IWUSR |
        S_IRGRP | S_IXGRP | S_IWGRP |
        S_IROTH | S_IXOTH | S_IWOTH;
      res = mkdir (dir, mode);
#endif /* _WIN32 */
      if (res != 0 && errno != EEXIST)
        {
          g_free (dir);

          return;
        }
      filename = g_build_filename (g_get_home_dir (),
                                   ".x264",
                                   "x264.cfg",
                                   NULL);
      g_print ("Writing configuration to %s\n", filename);
      file = g_io_channel_new_file (filename,
                                    "w+", NULL);
      if (file)
        {
          _current_get (gconfig, x264_gtk);
          g_io_channel_set_encoding (file, NULL, NULL);
          g_io_channel_write_chars (file, (const gchar *)x264_gtk,
                                    sizeof (X264_Gtk), &length, NULL);
          g_io_channel_unref (file);
        }
      g_free (filename);
      g_free (dir);
    }
}

/* x264 config management */
static void
_default_load (GtkButton *button __UNUSED__, gpointer user_data)
{
  X264_Gui_Config *config;
  x264_param_t     param;
  gchar            buf[64];

  if (!user_data)
    return;

  config = (X264_Gui_Config *)user_data;

  x264_param_default (&param);

  /* bitrate */
  gtk_combo_box_set_active (GTK_COMBO_BOX (config->bitrate.pass), 1);
  g_print ("bitrate %d\n", param.rc.i_bitrate);
  g_snprintf (buf, 64, "%d", param.rc.i_bitrate);
  gtk_entry_set_text (GTK_ENTRY (config->bitrate.w_average_bitrate), buf);
  gtk_entry_set_text (GTK_ENTRY (config->bitrate.w_target_bitrate), buf);
  gtk_range_set_range (GTK_RANGE (config->bitrate.w_quantizer),
                       (gdouble)param.rc.i_qp_min,
                       (gdouble)param.rc.i_qp_max);
  gtk_range_set_value (GTK_RANGE (config->bitrate.w_quantizer),
                       (gdouble)param.rc.i_qp_constant);
  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->bitrate.update_statfile), FALSE);
  gtk_entry_set_text (GTK_ENTRY (config->bitrate.statsfile_name), "x264.stats");
  gtk_widget_set_sensitive (config->bitrate.statsfile_name, FALSE);

  /* rate control */
  g_snprintf (buf, 64, "%d", round((param.rc.f_ip_factor - 1) * 100));
  gtk_entry_set_text (GTK_ENTRY (config->rate_control.bitrate.keyframe_boost), buf);
  g_snprintf (buf, 64, "%d", round((param.rc.f_pb_factor - 1) * 100));
  gtk_entry_set_text (GTK_ENTRY (config->rate_control.bitrate.bframes_reduction), buf);
  g_snprintf (buf, 64, "%d", (gint)(param.rc.f_qcompress * 100));
  gtk_entry_set_text (GTK_ENTRY (config->rate_control.bitrate.bitrate_variability), buf);

  g_snprintf (buf, 64, "%d", param.rc.i_qp_min);
  gtk_entry_set_text (GTK_ENTRY (config->rate_control.quantization_limits.min_qp), buf);
  g_snprintf (buf, 64, "%d", param.rc.i_qp_max);
  gtk_entry_set_text (GTK_ENTRY (config->rate_control.quantization_limits.max_qp), buf);
  g_snprintf (buf, 64, "%d", param.rc.i_qp_step);
  gtk_entry_set_text (GTK_ENTRY (config->rate_control.quantization_limits.max_qp_step), buf);

  g_snprintf (buf, 64, "%d", param.i_scenecut_threshold);
  gtk_entry_set_text (GTK_ENTRY (config->rate_control.scene_cuts.scene_cut_threshold), buf);
  g_snprintf (buf, 64, "%d", param.i_keyint_min);
  gtk_entry_set_text (GTK_ENTRY (config->rate_control.scene_cuts.min_idr_frame_interval), buf);
  g_snprintf (buf, 64, "%d", param.i_keyint_max);
  gtk_entry_set_text (GTK_ENTRY (config->rate_control.scene_cuts.max_idr_frame_interval), buf);

  /* mb */
  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->mb.partitions.transform_8x8), param.analyse.b_transform_8x8);
  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->mb.partitions.pframe_search_8), CHECK_FLAG(param.analyse.inter, X264_ANALYSE_PSUB16x16));
  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->mb.partitions.bframe_search_8), CHECK_FLAG(param.analyse.inter, X264_ANALYSE_BSUB16x16));
  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->mb.partitions.pframe_search_4), CHECK_FLAG(param.analyse.inter, X264_ANALYSE_PSUB8x8));
  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->mb.partitions.inter_search_8), CHECK_FLAG(param.analyse.inter, X264_ANALYSE_I8x8));
  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->mb.partitions.inter_search_4), CHECK_FLAG(param.analyse.inter, X264_ANALYSE_I4x4));

  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->mb.bframes.use_as_reference), param.i_bframe);
  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->mb.bframes.adaptive), param.b_bframe_adaptive);
  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->mb.bframes.weighted_biprediction), param.analyse.b_weighted_bipred);
  g_snprintf (buf, 64, "%d", param.b_bframe_adaptive);
  gtk_entry_set_text (GTK_ENTRY (config->mb.bframes.max_consecutive), buf);
  gtk_range_set_value (GTK_RANGE (config->mb.bframes.bias), (gdouble)param.i_bframe_bias);
  gtk_combo_box_set_active (GTK_COMBO_BOX (config->mb.bframes.direct_mode), param.analyse.i_direct_mv_pred);

  /* more */
  if (param.analyse.b_bframe_rdo)
    gtk_combo_box_set_active (GTK_COMBO_BOX (config->more.motion_estimation.partition_decision), X264_PD_6b);
  else
    gtk_combo_box_set_active (GTK_COMBO_BOX (config->more.motion_estimation.partition_decision), param.analyse.i_subpel_refine - 1);
  gtk_combo_box_set_active (GTK_COMBO_BOX (config->more.motion_estimation.method), param.analyse.i_me_method);
  g_snprintf (buf, 64, "%d", param.analyse.i_me_range);
  gtk_entry_set_text (GTK_ENTRY (config->more.motion_estimation.range), buf);
  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->more.motion_estimation.chroma_me), param.analyse.b_chroma_me);
  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->more.motion_estimation.mixed_refs), param.analyse.b_mixed_references);
  g_snprintf (buf, 64, "%d", param.i_frame_reference);
  gtk_entry_set_text (GTK_ENTRY (config->more.motion_estimation.max_ref_frames), buf);

  g_snprintf (buf, 64, "%d", param.vui.i_sar_width);
  gtk_entry_set_text (GTK_ENTRY (config->more.misc.sample_ar_x), buf);
  g_snprintf (buf, 64, "%d", param.vui.i_sar_height);
  gtk_entry_set_text (GTK_ENTRY (config->more.misc.sample_ar_y), buf);
  g_snprintf (buf, 64, "%d", param.i_threads);
  gtk_entry_set_text (GTK_ENTRY (config->more.misc.threads), buf);
  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->more.misc.cabac), param.b_cabac);
  gtk_combo_box_set_active (GTK_COMBO_BOX (config->more.misc.trellis), param.analyse.i_trellis);
  g_snprintf (buf, 64, "%d", param.analyse.i_noise_reduction);
  gtk_entry_set_text (GTK_ENTRY (config->more.misc.noise_reduction), buf);
  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->more.misc.df.deblocking_filter), param.b_deblocking_filter);
  gtk_range_set_value (GTK_RANGE (config->more.misc.df.strength), (gdouble)param.i_deblocking_filter_alphac0);
  gtk_range_set_value (GTK_RANGE (config->more.misc.df.threshold), (gdouble)param.i_deblocking_filter_beta);

  gtk_combo_box_set_active (GTK_COMBO_BOX (config->more.debug.log_level), 1);
  gtk_entry_set_text (GTK_ENTRY (config->more.debug.fourcc), "H264");
}

static void
_default_set (X264_Gtk *x264_gtk)
{
  x264_param_t param;
  gchar       *text;

  x264_param_default (&param);

  /* bitrate */
  x264_gtk->pass = X264_PASS_SINGLE_QUANTIZER;
  x264_gtk->average_bitrate = param.rc.i_bitrate;
  x264_gtk->target_bitrate = param.rc.i_bitrate;
  x264_gtk->quantizer = param.rc.i_qp_constant;
  x264_gtk->update_statfile = 0;
  text = "x264.stats";
  memcpy (x264_gtk->statsfile_name, text, strlen (text) + 1);

  /* rate control */
  x264_gtk->keyframe_boost = round((param.rc.f_ip_factor - 1) * 100);
  x264_gtk->bframes_reduction = round((param.rc.f_pb_factor - 1) * 100);
  x264_gtk->bitrate_variability = round(param.rc.f_qcompress * 100);

  x264_gtk->min_qp = param.rc.i_qp_min;
  x264_gtk->max_qp = param.rc.i_qp_max;
  x264_gtk->max_qp_step = param.rc.i_qp_step;

  x264_gtk->scene_cut_threshold = param.i_scenecut_threshold;
  x264_gtk->min_idr_frame_interval = param.i_keyint_min;
  x264_gtk->max_idr_frame_interval = param.i_keyint_max;
  x264_gtk->direct_mode = param.analyse.i_direct_mv_pred;

  /* mb */
  x264_gtk->transform_8x8 = param.analyse.b_transform_8x8;
  x264_gtk->max_ref_frames = param.i_frame_reference;
  x264_gtk->mixed_refs = param.analyse.b_mixed_references;

  if (CHECK_FLAG(param.analyse.inter, X264_ANALYSE_PSUB16x16))
    x264_gtk->pframe_search_8 = 1;
  else
    x264_gtk->pframe_search_8 = 0;
  if (CHECK_FLAG(param.analyse.inter, X264_ANALYSE_BSUB16x16))
    x264_gtk->bframe_search_8 = 1;
  else
    x264_gtk->bframe_search_8 = 0;
  if (CHECK_FLAG(param.analyse.inter, X264_ANALYSE_PSUB8x8))
    x264_gtk->pframe_search_4 = 1;
  else
    x264_gtk->pframe_search_4 = 0;
  x264_gtk->inter_search_8 = CHECK_FLAG(param.analyse.inter, X264_ANALYSE_I8x8);
  x264_gtk->inter_search_4 = CHECK_FLAG(param.analyse.inter, X264_ANALYSE_I4x4);

  x264_gtk->use_as_reference = param.i_bframe;
  x264_gtk->adaptive = param.b_bframe_adaptive;
  x264_gtk->weighted_biprediction = param.analyse.b_weighted_bipred;
  x264_gtk->max_consecutive = 0; /* not used */
  x264_gtk->bias = param.i_bframe_bias;

  /* more */
  x264_gtk->bframe_rdo = param.analyse.b_bframe_rdo;
  x264_gtk->partition_decision = param.analyse.i_subpel_refine - 1;
  x264_gtk->me_method = param.analyse.i_me_method;
  x264_gtk->range = param.analyse.i_me_range;
  x264_gtk->chroma_me = param.analyse.b_chroma_me;

  x264_gtk->sample_ar_x = param.vui.i_sar_width;
  x264_gtk->sample_ar_y = param.vui.i_sar_height;
  x264_gtk->threads = param.i_threads;
  x264_gtk->cabac = param.b_cabac;
  x264_gtk->trellis = param.analyse.i_trellis;
  x264_gtk->noise_reduction = param.analyse.i_noise_reduction;
  x264_gtk->deblocking_filter = param.b_deblocking_filter;
  x264_gtk->strength = param.i_deblocking_filter_alphac0;
  x264_gtk->threshold = param.i_deblocking_filter_beta;

  x264_gtk->debug_method = X264_DEBUG_METHOD_ERROR;
  text = "H264";
  memcpy (x264_gtk->fourcc, text, strlen (text) + 1);
}

static void
_current_set (X264_Gui_Config *config, X264_Gtk *x264_gtk)
{
  gchar buf[4096];

  if (!config)
    return;

  /* bitrate */
  gtk_combo_box_set_active (GTK_COMBO_BOX (config->bitrate.pass), x264_gtk->pass);
  g_snprintf (buf, 5, "%d", x264_gtk->average_bitrate);
  gtk_entry_set_text (GTK_ENTRY (config->bitrate.w_average_bitrate), buf);
  gtk_range_set_value (GTK_RANGE (config->bitrate.w_quantizer), x264_gtk->quantizer);
  g_snprintf (buf, 5, "%d", x264_gtk->target_bitrate);
  gtk_entry_set_text (GTK_ENTRY (config->bitrate.w_target_bitrate), buf);
  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->bitrate.update_statfile), x264_gtk->update_statfile);
  gtk_entry_set_text (GTK_ENTRY (config->bitrate.statsfile_name), x264_gtk->statsfile_name);
  if (x264_gtk->update_statfile)
    gtk_widget_set_sensitive (config->bitrate.statsfile_name, TRUE);
  else
    gtk_widget_set_sensitive (config->bitrate.statsfile_name, FALSE);

  /* rate control */
  g_snprintf (buf, 5, "%d", x264_gtk->keyframe_boost);
  gtk_entry_set_text (GTK_ENTRY (config->rate_control.bitrate.keyframe_boost), buf);
  g_snprintf (buf, 5, "%d", x264_gtk->bframes_reduction);
  gtk_entry_set_text (GTK_ENTRY (config->rate_control.bitrate.bframes_reduction), buf);
  g_snprintf (buf, 5, "%d", x264_gtk->bitrate_variability);
  gtk_entry_set_text (GTK_ENTRY (config->rate_control.bitrate.bitrate_variability), buf);

  g_snprintf (buf, 5, "%d", x264_gtk->min_qp);
  gtk_entry_set_text (GTK_ENTRY (config->rate_control.quantization_limits.min_qp), buf);
  g_snprintf (buf, 5, "%d", x264_gtk->max_qp);
  gtk_entry_set_text (GTK_ENTRY (config->rate_control.quantization_limits.max_qp), buf);
  g_snprintf (buf, 5, "%d", x264_gtk->max_qp_step);
  gtk_entry_set_text (GTK_ENTRY (config->rate_control.quantization_limits.max_qp_step), buf);

  g_snprintf (buf, 5, "%d", x264_gtk->scene_cut_threshold);
  gtk_entry_set_text (GTK_ENTRY (config->rate_control.scene_cuts.scene_cut_threshold), buf);
  g_snprintf (buf, 5, "%d", x264_gtk->min_idr_frame_interval);
  gtk_entry_set_text (GTK_ENTRY (config->rate_control.scene_cuts.min_idr_frame_interval), buf);
  g_snprintf (buf, 5, "%d", x264_gtk->max_idr_frame_interval);
  gtk_entry_set_text (GTK_ENTRY (config->rate_control.scene_cuts.max_idr_frame_interval), buf);

  /* mb */
  if (x264_gtk->transform_8x8)
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->mb.partitions.transform_8x8), TRUE);
  else
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->mb.partitions.transform_8x8), FALSE);
  if (x264_gtk->pframe_search_8)
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->mb.partitions.pframe_search_8), TRUE);
  else
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->mb.partitions.pframe_search_8), FALSE);
  if (x264_gtk->bframe_search_8)
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->mb.partitions.bframe_search_8), TRUE);
  else
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->mb.partitions.bframe_search_8), FALSE);
  if (x264_gtk->pframe_search_4)
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->mb.partitions.pframe_search_4), TRUE);
  else
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->mb.partitions.pframe_search_4), FALSE);
  if (x264_gtk->inter_search_8)
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->mb.partitions.inter_search_8), TRUE);
  else
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->mb.partitions.inter_search_8), FALSE);
  if (x264_gtk->inter_search_4)
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->mb.partitions.inter_search_4), TRUE);
  else
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->mb.partitions.inter_search_4), FALSE);

  if (x264_gtk->use_as_reference)
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (config->mb.bframes.use_as_reference), TRUE);