anamorphic keep_aspect scale_height audio_codec audio_bitrate audio_rate audio_mix audio_drc autocrop crop_top crop_bottom crop_left crop_right autoscale scale_width scale_height chapter_markers chapters_list container large_mp4 http_optimize_mp4 ipod_file variable_frame_rate decomb deinterlace tweak_deinterlace keep_aspect scale_height title queue_add queue_add_menu preview_button show_preview_menu preview_frame picture_label picture_tab chapters_label chapters_tab title start_chapter end_chapter two_pass turbo variable_frame_rate framerate detelecine video_codec x264_tab x264_tab_label ipod_file vquality_type_bitrate video_bitrate vquality_type_constant video_quality constant_rate_factor two_pass turbo vquality_type_target video_target_size x264_analyse x264_direct x264_bframes x264_weighted_bframes x264_brdo x264_bime x264_bpyramid x264_direct x264_cabac x264_trellis x264_me x264_merange x264_refs x264_mixed_refs x264_subme x264_brdo