Function audio_codec_changed_cb

gtk/src/audiohandler.c:973–1062

}

G_MODULE_EXPORT void
audio_codec_changed_cb (GtkWidget *widget, gpointer data)
{
    static gint prev_acodec = 0;
    gint acodec;
    signal_user_data_t *ud = ghb_ud();

    ghb_widget_to_setting(ud->settings, widget);
    audio_update_setting(ghb_widget_value(widget), "Encoder", ud);

    acodec = ghb_settings_audio_encoder_codec(ud->settings, "AudioEncoder");

    float low, high, gran, defval;
    int dir;
    GhbValue *asettings;
    hb_audio_quality_get_limits(acodec, &low, &high, &gran, &dir);
    defval = hb_audio_quality_get_default(acodec);
    asettings = audio_get_selected_settings(ud, NULL);
    if (asettings != NULL && ghb_audio_quality_enabled(asettings))
    {
        gdouble quality = ghb_dict_get_double(asettings, "Quality");
        if (low <= quality && quality <= high)
        {
            defval = quality;
        }
    }
    GtkScaleButton *sb;
    GtkAdjustment *adj;
    sb = GTK_SCALE_BUTTON(ghb_builder_widget("AudioTrackQualityX"));
    adj = gtk_scale_button_get_adjustment(sb);
    if (dir)
    {
        // Quality values are inverted
        defval = high - defval + low;
    }
    gtk_adjustment_configure(adj, defval, low, high, gran, gran, 0);

    if (block_updates)
    {
        prev_acodec = acodec;
        return;
    }

    if (ghb_audio_is_passthru(prev_acodec) &&
        !ghb_audio_is_passthru(acodec))
    {
        // Transition from passthru to not, put some audio settings back to
        // pref settings
        gint track;
        gint br, sr, mix;
        const char * layout;
        GhbValue * atrack;

        if (asettings != NULL)
        {
            br = ghb_dict_get_int(asettings, "Bitrate");
            sr = ghb_dict_get_int(asettings, "Samplerate");
            mix = ghb_settings_mixdown_mix(asettings, "Mixdown");