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来自「asus U3100 DMBTH 電視棒反釋源碼」· 代码 · 共 851 行 · 第 1/4 页

* Selecting audio tracks

  If the current channel or recording provides different audio tracks (for
  different languages or Dolby Digital), the "Green" key in the "VDR" menu can
  be pressed to bring up the "Audio" menu. Within this menu, the "Up" and "Down"
  keys can be used to switch between the audio tracks. If your remote control has
  a dedicated "Audio" key, the first press of that key brings up the "Audio"
  menu, and every further press switches to the next available audio track.

  The "Left" and "Right" keys can be used to switch between "mono left", "stereo"
  and "mono right" for channels that broadcast different audio tracks in the
  left and right stereo channels.

  The "Ok" key explicitly switches to the selected track (in case the device
  for some reason doesn't play it) and closes the "Audio" menu.

  The "Audio" menu will automatically disappear after 5 seconds of user inactivity,
  or if any key other than the ones described above is pressed.

  Once a Dolby Digital track has been selected on any channel, further channel
  switches will first search for a Dolby Digital track of one of the preferred
  audio languages. If no such track can be found, a normal audio track will
  be selected. Note that this only works if the broadcasters use actual language
  codes in their PID data, not things like "dd" or "2ch".

* Switching through channel groups

  If the 'channels.conf' file contains "group separators" you can switch
  through these groups by pressing the "Left" and "Right" key while no
  menu is being displayed. The channel display will show the name of the
  group, and if you press the "Ok" key while the group name is being
  displayed, you will switch to the first channel of that group.

  Channel groups can be whatever you decide them to be. You can either
  group your channels by "Bouquet", by language, genre or whatever your
  preferences may be.

* Instant Recording

  You can start recording the current channel by pressing the "Red" key
  in the "VDR" menu. This will create a timer event named "@channelname" that
  starts at the current time and by default records for 3 hours.
  If you want to modify the recording time you need to edit the timer.
  Stop instant recording by pressing the "Menu" key and selecting
  "Stop Recording", or by disabling the timer. The default priority, lifetime
  and recording time can be defined in the "Setup/Recording" menu.

* Pausing live video

  If you want to pause the live programme you are just watching, simple press
  "Menu/Yellow" or "Pause" on your remote control. VDR will start an instant
  recording of the current channel (just as if you had pressed "Menu/Red" or
  "Record") and immediately begin replaying that recording. Replay will be
  put into "pause" mode, so you can attend to whatever it was that disturbed
  your live viewing session. Once you're back, simply press the "Up" or "Play"
  key and you'll be watching the current channel in time shift mode, right
  from the point where you left off. The instant recording VDR has started
  will use the parameters for "Pause priority" and "Pause lifetime" as defined
  in the "Setup/Recording" menu. Recording time will be the same as for
  any other instant recording, so by default it will record 3 hours (which
  should be enough for any normal broadcast).

* Replaying a Recording

  All recordings are listed in the "Recordings" menu. Browse through the
  list with the "Up" and "Down" key and press "Ok" (or the "Red" key)
  to start playback. New recordings are marked with an '*'.
  If the Setup parameter RecordingDirs has been set and there are recordings
  from repeating timers organized in a subdirectory structure, only the
  directory is displayed and it can be opened by pressing "Ok" (or the "Red"
  key). A directory entry displays the total number of recordings within
  that directory (and any possible subdirectory thereof) as well as the total
  number of new recordings (as opposed to a recording's entry, which displays
  the date and time of the recording).

  If the setup parameter "Use episode name" was turned on when a recording took place,
  VDR adds the "Episode name" (which is usually the name of the episode in case of
  a series) to the recording's name. The "Recordings" menu then displays all
  recordings of a repeating timer in chronological order, since these are
  usually the individual episodes of a series, which you may want to view in
  the order in which they were broadcast.

  Playback can be stopped via the "VDR" menu by selecting "Stop replaying",
  or by pressing the "Blue" key outside the menu.
  A previously stopped playback session can be resumed by pressing the "Blue"
  key in the "VDR" menu.

* Processing Recordings

  The configuration file 'reccmds.conf' can be used to define system commands
  that can be applied to the recording that is currently highlighted in the
  "Recordings" menu. The "Red" key in the "Recordings" menu opens the "Recording
  commands" menu if there are commands defined in the file 'reccmds.conf'. Pressing
  one of the keys '1'..'9' in the "Recordings" menu executes the corresponding
  command from 'reccmds.conf' (see also "Executing system commands" below).

* Replay Control

  The following keys have the listed meaning in Replay mode:

  - Up      Resumes normal replay from any "pause", "forward" or "backward"
            mode.
  - Down    Halts playback at the current position. Press again to continue
            playback.
  - Blue    Stops playback and stores the current position, so that
            playback can be resumed later at that point.
  - Left
    Right   Runs playback forward or backward at a higher speed; press
            again to resume normal speed. If in Pause mode, runs forward or
            backward at a slower speed; press again to return to pause mode.
            Pressing and holding down the key performs the function until
            the key is released again.
            If "Multi Speed Mode" has been enabled in the "Setup" menu, the
            function of these keys changes in a way that gives you three
            fast and slow speeds, through which you can switch by pressing
            the respective key several times.
  - Red     Jump to a specific location. Enter the time you want to jump to
            and then press "Left" or "Right" to jump relative to the current
            position, "Up" to jump to an absolute position, and "Down" to
            jump and pause at an absolute position.
  - Green
    Yellow  Skips about 60 seconds back or forward.
            Pressing and holding down the key performs the function until
            the key is released again.
  - Ok      Brings up the replay progress display, which shows the date,
            time and title of the recording, a progress bar and the
            current and total time of the recording.
            Press "Ok" again to turn off the progress display.
  - Back    Stops replaying and brings up the "Recordings" menu. This can be
            used to easily delete a recording after watching it, or to switch
            to a different recording.

* Editing a Recording

  While in Replay mode, the following keys can be used to manipulate editing
  marks:

  - 0       Toggles an editing mark. If the mark indicator shows a red triangle,
            the current mark is deleted. Otherwise a new mark is set at the
            current position.
  - 4, 6    Move an editing mark back and forward. You need to first jump to
            an editing mark for this to work.
  - 7, 9    Jump back and forward between editing marks. Replay goes into still
            mode after jumping to a mark.
  - 8       Positions replay at a point 3 seconds before the current or next
            "start" mark and starts replay.
  - 2       Start the actual cutting process.

  Editing marks are represented by black, vertical lines in the progress display.
  A small black triangle at the top of the mark means that this is a "start"
  mark, and a triangle at the bottom means that this is an "end" mark.
  The cutting process will save all video data between "start" and "end" marks
  into a new file (the original recording remains untouched). The new file will
  have the same name as the original recording, preceded with a '%' character
  (imagine the '%' somehow looking like a pair of scissors ;-). Red bars in the
  progress display indicate which video sequences will be saved by the cutting
  process.

  The video sequences to be saved by the cutting process are determined by an
  "even/odd" algorithm. This means that every odd numbered editing mark (i.e.
  1, 3, 5,...) represents a "start" mark, while every even numbered mark (2, 4,
  6,...) is an "end" mark. Inserting or toggling a mark on or off automatically
  adjusts the sequence to the right side of that mark.

  Use the keys described under "Replay Control" to position to, e.g., the
  beginning and end of commercial breaks and press the '0' key to set the
  necessary editing marks. After that you may want to use the '7' and '9'
  keys to jump to each mark and maybe use the '4' and '6' keys to fine tune
  them. Once all marks are in place, press '2' to start the actual cutting
  process, which will run as a background process. When replaying the edited
  version of the recording you can use the '8' key to jump to a point just
  before the next cut and have a look at the resulting sequence.

  Currently editing marks can only be set at I-frames, which typically is
  every 12th frame. So editing can be done with a resolution of roughly half
  a second. A "start" mark marks the first frame of a resulting video
  sequence, and an "end" mark marks the last frame of that sequence.

  An edited recording (indicated by the '%' character) will never be deleted
  automatically in case the disk runs full (no matter what "lifetime" it has).

* Programming the Timer

  Use the "Timer" menu to maintain your list of timer controlled recordings.
  The parameters in the "Edit timer" menu have the following meanings:

  Active:    Defines whether the timer will be processed (set it to 'no' to
             temporarily disable a timer).
  Channel:   The channel to be recorded (as defined in the "Channels" list).
             Any changes made in the "Channels" list (like renaming or
             reordering channels) will be automatically reflected in the
             timers settings.
  Day:       The day on which this timer shall start. This can be a
             date (like 2005-03-19), which allows programming a "single shot"
             timer that hits once and is deleted after it ends.
             Another option here are "repeating timers" which are defined
             by listing the days of the week on which they shall record.
             For example, a timer that shall record every Monday and Wednesday
             would have a Day setting of "M-W----".
             The '0' key toggles between a single shot and a repeating timer.
             If "Day" indicates a repeating timer, the keys '1'...'7' can be
             used to toggle the individual days ('1' is Monday).
             You can also switch to a set of predefined repeating timer settings
             by pressing the "Left" key when the day is the present day. To return
             to the single shot mode just press "Right" until a date is displayed.
  Start:     The start time of the timer in hh:mm as 24 hour ("military") time.
  Stop:      The stop time of the timer.
  VPS:       Defines whether the timer shall use VPS (if available). If this
             option is set to 'yes', the start time must exactly match the
             programme's VPS time, otherwise nothing will be recorded. If VPS
             is used, the stop time has no real meaning. However, it must be
             different than the start time, and should correspond to the actual