gst_discoverer_audio_info_get_bitrate
gst_discoverer_audio_info_get_channels
gst_discoverer_audio_info_get_depth
+ gst_discoverer_audio_info_get_language
gst_discoverer_audio_info_get_max_bitrate
gst_discoverer_audio_info_get_sample_rate
gst_discoverer_audio_info_get_type
gst_discoverer_info_get_stream_info
gst_discoverer_info_get_stream_list
gst_discoverer_info_get_streams
+ gst_discoverer_info_get_subtitle_streams
gst_discoverer_info_get_tags
gst_discoverer_info_get_type
gst_discoverer_info_get_uri
gst_discoverer_stream_info_get_tags
gst_discoverer_stream_info_get_type
gst_discoverer_stream_info_list_free
+ gst_discoverer_subtitle_info_get_language
+ gst_discoverer_subtitle_info_get_type
gst_discoverer_video_info_get_bitrate
gst_discoverer_video_info_get_depth
gst_discoverer_video_info_get_framerate_denom