Qnap mediainfo3/31/2023 ![]() ![]() The multimedia features of the OS from each vendor is discussed in detail in this section. Those will be covered in a later piece in the section dealing with the mobile apps suite from each vendor. In setting the premise for this section, we must make it clear that the aspects related to the transfer of multimedia content to the NAS (such as automatic backup of photographs taken on a smartphone into a NAS folder) are not addressed. Based on the above discussion, it is clear that management of multimedia content is an area for NAS vendors to stand out of the crowd. This could provide DMRs with ready information for the user during playback. Another example would be the indexing and automatic generation of metadata for, say, a music collection. In this scenario, some sort of intelligence on the DMS side to downscale the video resolution and transcode the content from HEVC to H.264 would be nice to have. The DMR can't play back either 4K content or understand the HEVC codec. For example, consider a scenario with a 4K HEVC video stored in the NAS, and a DMR that can only play back 1080p H.264 content. One approach is to treat the DMS as a dumb file server, and leave all the intelligence to the DMR for playback purposes. These folders can be mapped on a PC or client device and the content can be accessed by various playback programs in the DMR. Throughout this section, we will use DMS and DMR to indicate the two endpoints in this usage scenario.Īny NAS unit can be used to store multimedia content in the appropriate shared folders. The consumer / client device which allows the user to experience the media content is termed as the Digital Media Renderer (DMR). The device on which the multimedia content is stored is termed as the Digital Media Server (DMS). ![]() In order to facilitate easier discussion of the latter aspect, it is useful to recognize two widely used terms in this market segment for the server and the client. Graphical user interface, command line interface, or library (.dll/.so/.Consumers using NAS units in a home environment tend to operate them usually as backup destinations and/or multimedia repositories. View information in different formats (text, sheet, tree, HTML.) Subtitles: CEA-608, CEA-708, DTVCC, SCTE-20, SCTE-128, ATSC/53, CDP, DVB Subtitle, Teletext, SRT, SSA, ASS, SAMI. Video: MPEG-1/2 Video, H.263, MPEG-4 Visual (including DivX, XviD), H.264/AVC, H.265/HEVC, FFV1.Īudio: MPEG Audio (including MP3), AC3, DTS, AAC, Dolby E, AES3, FLAC. Tags: Id3v1, Id3v2, Vorbis comments, APE tags. Text: format, codec id, language of subtitle.Ĭhapters: count of chapters, list of chapters.Ĭontainer: MPEG-4, QuickTime, Matroska, AVI, MPEG-PS (including unprotected DVD), MPEG-TS (including unprotected Blu-ray), MXF, GXF, LXF, WMV, FLV, Real. Video: format, codec id, aspect, frame rate, bit rate, color space, chroma subsampling, bit depth, scan type, scan order.Īudio: format, codec id, sample rate, channels, bit depth, language, bit rate. A convenient unified display of the most relevant technical and tag data (shared libs version)ĬLI tool - autmoatically add in $PATH Mediainfo command lineĬontainer: format, profile, commercial name of the format, duration, overall bit rate, writing application and library, title, author, director, album, track number, date, duration. ![]()
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