X-Git-Url: https://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=parts%2FRendering.tex;h=8438ecd153768f96a4188a958673a33d30071bde;hb=57a10c712aed39a74039379695c7f4f14015827a;hp=af97965049ba418a31f32ba583bb58dc656293d6;hpb=1f187d88f86b75065159560e78ec8d3e474359f5;p=goodguy%2Fcin-manual-latex.git

diff --git a/parts/Rendering.tex b/parts/Rendering.tex
index af97965..8438ecd 100644
--- a/parts/Rendering.tex
+++ b/parts/Rendering.tex
@@ -13,7 +13,8 @@ in/out points are set, the affected region is rendered.  When no
 region is highlighted, everything after the insertion point is
 rendered.  By positioning the insertion point at the beginning of a
 track and unsetting all in/out points, the entire track is rendered.
-But you also have the choice to render \textit{one frame}.
+But you also have the choice to render \textit{one frame}. Reminder,
+\CGG{} does not do remuxing without rendering - see \nameref{sec:transcode}.
 
 \section{Single File Rendering}%
 \label{sec:single_file_rendering}
@@ -683,7 +684,7 @@ Video Preset textbox.
 
 \CGG{} supports image sequences with both decoding and encoding.
 
-\CGG{} by default uses ffmpeg as encoding/decoding engine but we can disable it to have the specific internal engine available. See \nameref{sec:ffmpeg_early_probe_explanation} on how to switch between engines. With the internal engine we can create and load sequences of OpenEXR; PNG; TIFF; TGA; GIF; PPM and JPEG. With ffmpeg we can create and load DPX sequences or create a custom preset for any kind of image. Using these formats results in great timeline efficiency and high video quality at the cost of taking up a lot of space because they are uncompressed (or with lossless compression).
+\CGG{} by default uses ffmpeg as encoding/decoding engine but we can disable it to have the specific internal engine available. See \nameref{sec:ffmpeg_early_probe_explanation} on how to switch between engines. With the internal engine we can create and load sequences of OpenEXR; PNG; TIFF; TGA; GIF; PPM and JPEG. There is also support for DPX sequences, but only in read and without rendering presets. With ffmpeg we can create and load DPX sequences or create a custom preset for any kind of image. Using these formats results in great timeline efficiency and high video quality at the cost of taking up a lot of space because they are uncompressed (or with lossless compression).
 By rendering, you will get as many still images as there are frames in the project, plus a \textit{file-list} (or \textit{TOC}) that indexes the images. A good practice is to create a folder to contain the images (for example \texttt{/tmp/img\_seq/}) and then open the rendering window in \CGG{} and set a serial and increasing number as the name (for example: \texttt{/tmp/img\_seq/image \%05d.png}). \textit{image} is a generic name chosen at will; $\%$ creates a progressive sequence of distinct images; $05d$ indicates how many digits the image number will be, in this case 5 digits to go from $00000$ to $99999$.
 Once we have our folder of images, if we want to import it in a project just load the file-list, which includes the link to all the files of the sequence.
 To learn more about using and creating a preset with ffmpeg of an image sequence, see \nameref{sec:ffmpeg_image2_streams} and/or \nameref{sec:image_sequence_creation}.
@@ -999,7 +1000,9 @@ the \texttt{Preferences} window. It has one interactive function
 sets the point where background rendering starts up to the position
 of the insertion point. If any video exists, a red bar appears in
 the time ruler showing what has been background rendered
-(figure~\ref{fig:back-ren02}).
+(figure~\ref{fig:back-ren02}).  Because this creates a very large number 
+of files, a Shell Command script is available to delete them if in the
+default location.
 
 \begin{figure}[htpb] \centering
   \includegraphics[width=1.0\linewidth]{back-ren02.png}
@@ -1038,7 +1041,10 @@ rates (figure~\ref{fig:back-ren}).
   created, ls commands will not work in the background rendering
   directory. The browse button for this option normally will not work
   either, but the configuration button for this option works. The
-  default value will be /tmp/brender .
+  default value will be /tmp/brender .  Because using background
+  rendering creates a voluminous number of brender numbered files,
+  a Shell Command script is available to delete them if they are
+  in the default /tmp/brender format.
 \item[File format] The file format for background rendering has to
   be a sequence of images. The format of the image sequences
   determines the quality and speed of playback. JPEG generally works