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</div><div class="twikiRevInfo"><span class="twikiGrayText"><span class="twikiToolbarElem">Cinelerra.Recording</span><span class="twikiToolbarElem">r1.5 - 20 Jun 2004 - 20:25 - <a class="twikiLink" href="../Main/AlexFerrer">AlexFerrer</a></span><span class="twikiToolbarElem"><a href="#TopicEnd">topic&nbsp;end</a></span></span></div></div>
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<h3><a name="Recording"> </a><a name="_Recording_"> </a> <a class="twikiLink" href="Recording">Recording</a>  </h3>
The recorder interface emulates the VCR in several ways.
<p />
It allows you to program timed batch recordings. (screenshot)
<p />
The first step in recording is to configure the input device. In <a class="twikiLink" href="PreferencesRecording">PreferencesRecording</a> there are a number of recording parameters. These parameters apply to recording no matter what the <a class="twikiLink" href="ProjectAttributes">ProjectAttributes</a> are, the recording parameters are usually the maximum capability of the recording hardware.
<p />
Go to <a class="twikiLink" href="FileMenu">FileMenu</a> <strong>-&gt;record</strong> to record a dumb I/O source. This prompts for an output format much like rendering does. Once that's done, the record window and the record monitor pop up.
<p />
<img src="http://www.ftconsult.com/twiki/pub/Cinelerra/Recording/record-dialog.png" /><br>
<p />
The record window has discrete sections. While many parameters change depending on if the file has audio or video, the discrete sections are always the same.
<p />
<ul>
<li> The output format area describes the format of the output file and the current position within it.
</li>
<li> The edit batch area lets you change parameters in the current batch.
</li>
<li> The transport controls start and stop recording different ways.
</li>
<li> The batch list displays all the defined batches.
</li>
<li> The confirmation area lets you determine how the output files are imported into the timeline and quit. 
</li>
</ul>
<p />
<p />
<h3><a name="Recording_window_areas"> </a> Recording window areas </h3>
<p />
Recording in Cinelerra is organized around batches. A batch essentially defines a distinct output file for the recording. For now you can ignore the batch concept entirely and record merely by hitting the record button record.png.
<p />
The record button opens the current output file if it isn't opened and writes captured data to it. Use the stop button to stop the recording. Recording can be resumed with the record button without erasing the file at this point. In the case of a video file, there is a single frame record button singleframe.png which records a single frame.
<p />
When enough media is recorded, choose an insertion method from the <a class="twikiLink" href="InsertionStrategy">InsertionStrategy</a> menu and hit close. 
<p />
<p />
<h3><a name="BATCHES"> </a> BATCHES </h3>
Batches are traditionally used to divide tape into different programs and save the different programs as different files instead of recording straight through an entire tape. Because of the high cost of developing frame-accurate deck control mechanisms, the only use of batches now is recording different programs during different times of day. This is still useful for recording TV shows or time lapse movies.
<p />
The record window supports a list of batches and two recording modes: interactive and batch recording. 
<ul>
<li> Interactive recording happens when the record button is pressed. Interactive recording starts immediately and uses the current batch to determine everything except start time. By default, the current batch is configured to behave like tape.
</li>
</ul>
<p />
<ul>
<li> Batch recording happens when the start button is pressed. In batch recording, the start time is the time the batch starts recording.
</li>
</ul>
<p />
First, you'll want to create some batches. Each batch has certain parameters and methods of adjustment.
<p />
<ul>
<li> On determines whether the batch is included in batch recording operations. Click the list row under On to enable or disable batches.
</li>
<li> Path is the file the batch is going to be recorded to. The filename specified in the record dialog is the name of the first batch, to simplify interactive recording, but the filename may be changed in the record window for any batch in the edit batch area.
</li>
<li> News shows whether the file exists or not. This is a very important attribute since there is no confirmation dialog if the file exists. The first time you hit record, the file is opened. If the file exists at this point it's erased. News says File exists if it exists and OK if it doesn't. Every time you resume recording in the same batch, the news should say Open, indicating the file is already opened and won't be erased in the next record button press.
</li>
</ul>
<p />
If you change out of the current batch after recording, the file is closed. Next time you change into the batch, the file will be erased.
<ul>
<li> Start time is the 24 hour time of day the batch will start recording if in batch mode. The start time may become a time of tape and reel number if deck control is implemented but for now it's a time of day.
</li>
<li> Duration is the length of the batch. It only has meaning if the Mode of the batch is Timed. Once the recording length reaches duration the recording stops, whether in interactive or batch mode.
</li>
<li> Source has meaning only when the capturing hardware has multiple sources. Usually the source is a tuner channel or input. When the current batch finishes and the next batch begins recording, the source is changed to what the next batch is set to. This way multiple TV stations can be recorded at different times.
</li>
</ul>
<p />
The record window has a notion of the current batch. The current batch is not the same as the batch which is highlighted in the batch list. The current batch text is colored red in the batch list. The highlighted batch is merely displayed in the edit batch section for editing.
<p />
By coloring the current batch red, any batch can be edited by highlighting it, without changing the batch to be recorded.
<p />
All recording operations take place in the current batch. If there are multiple batches, highlight the desired batch and hit activate to make it the current batch. If the start button is pressed, the current batch flashes to indicate it's waiting for the start time in batch mode. If the record button is pressed, the current batch is recorded immediately in interactive mode.
<p />
In batch and interactive recording modes, when the current batch finishes recording the next batch is activated and performed. All future recording is done in batch mode. When the first batch finishes, the next batch flashes until its start time is reached.
<p />
Interrupt either the batch or the interactive operation by hitting the stop button.
<p />
Finally there is the rewind.png rewind button. In either interactive or batch recording, the rewind button causes the current batch to close its file. 
<p />
The next recording operation in the current batch deletes the file. 
<p />
<p />
-- <a class="twikiLink" href="../Main/HermanRobak">HermanRobak</a> - 14 Dec 2003
<p />
-- <a class="twikiLink" href="../Main/AlexFerrer">AlexFerrer</a> - 14 Dec
<ul>
<li> The png file was corrupted, so I opened and re-saved with Gimp.. now it works
</li>
</ul>
<p />
-- <a class="twikiLink" href="../Main/AlexFerrer">AlexFerrer</a> - 19 Dec 2003 added text from <a class="twikiLink" href="SecretsOfCinelerra">SecretsOfCinelerra</a>
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