ONVIF控制摄像机转动，放大与缩小，C#源代码。

$Id$ This file describes commands available through the requests/ file: Lines starting with < describe what the page sends back Lines starting with > describe what you can send to the page All parameters need to be URL encoded. Examples: # -> %23 % -> %25 + -> %2B space -> + ... Deprecation Notice: --- The entire interface is moving to using <MRL> for input and output parameters and attributes pl_play and in_enqueue previously accepted paths. This is still supported, but from 1.3 <MRL> will be required where path attributes are provided in output, these should be ignored in favour of uri attributes path support is scheduled to be removed entirely from 1.3 --- <root> (/) =========== > Get album art for current input: /art (NB: not /requests/art) > Get album art for any playlist input (available from API version 3): /art?item=123 (NB: not /requests/art) status.xml or status.json =========== < Get VLC status information, current item info and meta. < Get VLC version, and http api version > add <uri> to playlist and start playback: ?command=in_play&input=<uri>&option=<option> the option field is optional, and can have the values: noaudio novideo > add <uri> to playlist: ?command=in_enqueue&input=<uri> > add subtitle to currently playing file ?command=addsubtitle&val=<uri> > play playlist item <id>. If <id> is omitted, play last active item: ?command=pl_play&id=<id> > toggle pause. If current state was 'stop', play item <id>, if no <id> specified, play current item. If no current item, play 1st item in the playlist: ?command=pl_pause&id=<id> > resume playback if paused, else do nothing ?command=pl_forceresume > pause playback, do nothing if already paused ?command=pl_forcepause > stop playback: ?command=pl_stop > jump to next item: ?command=pl_next > jump to previous item: ?command=pl_previous > delete item <id> from playlist: ?command=pl_delete&id=<id> NOTA BENE: pl_delete is completly UNSUPPORTED > empty playlist: ?command=pl_empty > set audio delay ?command=audiodelay&val=<delayinseconds> > set subtitle delay ?command=subdelay&val=<delayinseconds> > set playback rate. must be > 0 ?command=rate&val=<newplaybackrate> > set aspect ratio. Must be one of the following values. Any other value will reset aspect ratio to default ?command=aspectratio&val=<newratio> Valid aspect ratio values: 1:1 , 4:3 , 5:4 , 16:9 , 16:10 , 221:100 , 235:100 , 239:100 > sort playlist using sort mode <val> and order <id>: ?command=pl_sort&id=<id>&val=<val> If id=0 then items will be sorted in normal order, if id=1 they will be sorted in reverse order A non exhaustive list of sort modes: 0 Id 1 Name 3 Author 5 Random 7 Track number > toggle random playback: ?command=pl_random > toggle loop: ?command=pl_loop > toggle repeat: ?command=pl_repeat > toggle enable service discovery module <val>: ?command=pl_sd&val=<val> Typical values are: sap shoutcast podcast hal > toggle fullscreen: ?command=fullscreen > set volume level to <val> (can be absolute integer, percent or +/- relative value): ?command=volume&val=<val> Allowed values are of the form: +<int>, -<int>, <int> or <int>% > seek to <val>: ?command=seek&val=<val> Allowed values are of the form: [+ or -][<int><H or h>:][<int><M or m or '>:][<int><nothing or S or s or ">] or [+ or -]<int>% (value between [ ] are optional, value between < > are mandatory) examples: 1000 -> seek to the 1000th second +1H:2M -> seek 1 hour and 2 minutes forward -10% -> seek 10% back >command=preamp&val=<val in dB> sets the preamp value, must be >=-20 and <=20 >command=equalizer&band=<band>&val=<gain in dB, must be >=-20 and <=20) set the gain for a specific band >command=enableeq&val=<0 or 1> 0 -- disables the equalizer 1 -- enables the equalizer >command=setpreset&val=<presetid> set the equalizer preset as per the id specified <Displays the equalizer band gains. Band 0: 60 Hz, 1: 170 Hz, 2: 310 Hz, 3: 600 Hz, 4: 1 kHz, 5: 3 kHz, 6: 6 kHz, 7: 12 kHz , 8: 14 kHz , 9: 16 kHz <Display the list of presets available for the equalizer --- Commands available from API version 2 --- > select the title ?command=title&val=<val> > select the chapter ?command=title&val=<val> > select the audio track (use the number from the stream) ?command=audio_track&val=<val> > select the video track (use the number from the stream) ?command=video_track&val=<val> > select the sibtitle track (use the number from the stream) ?command=subtitle_track&val=<val> playlist.xml or playlist.json: ============= < get the full playlist tree NB: playlist_jstree.xml is used for the internal web client. It should not be relied upon by external remotes. It may be removed without notice. browse.xml or browse.json: =========== < ?dir=<uri> > get file list from uri. At the moment, only local file uris are supported NB: uri is the preferred parameter. Dir is deprecated and may be removed in a future release. < ?dir=<dir> > get <dir>'s filelist vlm.xml: ======== < get the full list of VLM elements vlm_cmd.xml: ============ < execute VLM command <cmd> ?command=<cmd> > get the error message from <cmd>