Added debian extra dependency packages.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
author: Michele Calgaro <michele.calgaro@yahoo.it> 2020-09-11 14:38:47 +0900
committer: Michele Calgaro <michele.calgaro@yahoo.it> 2020-09-11 14:38:47 +0900
commit: 884c8093d63402a1ad0b502244b791e3c6782be3 (patch)
tree: a600d4ab0d431a2bdfe4c15b70df43c14fbd8dd0 /debian/transcode/transcode-1.1.7/docs/html/dv.html
parent: 14e1aa2006796f147f3f4811fb908a6b01e79253 (diff)
download: extra-dependencies-884c8093d63402a1ad0b502244b791e3c6782be3.tar.gz
extra-dependencies-884c8093d63402a1ad0b502244b791e3c6782be3.zip
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+<html>
+<head>
+<title> Linux Video Stream Processing Tool - Examples</title>
+<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
+<meta name="keywords" content="DVD, digital video, DV, encoder, divx,
+DivX;-), lame, source, posix, avifile, opendivx, codec, linux, AC3,
+program stream, video, audio, transcode, decoder, stream, YV12">
+</head>
+
+<body bgcolor=#CDB5CD>
+
+
+<a name=top></a>
+<table cellspacing="10" cellpadding="0" border="0" width="100%">
+  <tr>
+    <td align=left valign="top" width=30% bgcolor="#a0a0a0">
+    <table border="0" cellpadding="10" cellspacing="3" font size=+2 bgcolor="#ffffff" width=100%>
+      <td align="left" bgcolor="#e9e9e9"> <FONT
+      FACE="Lucida,Helvetica"> <font>Digital Video</font>
+    </tr>
+    <tr>
+      <td>
+
+	  This chapter gives an introduction to Digital Video
+	  processing with transcode. Here is a list of features:
+
+	  <ul>
+	    <li> AVI-files with Digital Video streams can be
+		 decoded with
+		 <ul>
+		   <li><i>libdv</i> (default)
+		   <li><i>ffmpeg</i> (-x ffmpeg)
+		 </ul>
+
+	  <li> concatenating clips with directory mode and option "-i <i>direname</i>"
+	      before processing.
+	  <li> a couple of fast or high-quality de-interlace
+	      <a href=filter.html#video>filters</a> available to
+	       enhance the quality.
+	  <li> support for encoding to DV with <i>libdv</i> as raw
+	      stream or interleaved AVI-file.
+	  <li> pass-through mode: raw DV -> AVI-file conversion.
+	</ul>
+
+	Unfortunately, while most linux player happily accept the AVI-DV files
+	produced by <i>transcode</i>, the nonlinear DV video
+	editor <a href=http://www.schirmacher.de/arne/kino/><i>kino</i></a>
+	refuses to work with them.
+
+	<ul>
+	  <li> <a href="dv.html#dv"> <FONT FACE="Lucida,Helvetica">
+	  Digital Video DV</font></a>
+	  <ul>
+	     <li><a href="dv.html#dv_avi"> <FONT FACE="Lucida,Helvetica">
+		 AVI files</font></a>
+	     <li><a href="dv.html#dv_dv"> <FONT FACE="Lucida,Helvetica">
+		 DV streams</font></a>
+	   </ul>
+	   <p>
+       <li> <a href="#pass"> <FONT FACE="Lucida,Helvetica">
+	  pass-through mode</font></a> <p>
+       <li> <a href="#interlace"> <FONT FACE="Lucida,Helvetica">
+	   de-interlacing guide</font></a> <p>
+       <li> <a href="#alias"> <FONT FACE="Lucida,Helvetica">
+	   anti-aliasing guide</font></a>
+
+      </td>
+    </tr>
+</table>
+</table>
+
+
+<a name=dv></a>
+<table cellspacing="10" cellpadding="0" border="0" width="100%">
+  <tr>
+    <td align=left valign="top" width=30% bgcolor="#a0a0a0">
+    <table border="0" cellpadding="10" cellspacing="3" font size=+2 bgcolor="#ffffff" width=100%>
+      <td align="left" bgcolor="#e9e9e9">
+
+      <font>Digital Video (DV)
+	  ---> MPEG-4</font>
+    </tr>
+    <tr>
+      <td>
+
+	  Here is a 3 step guide to convert a DV tape to a compressed AVI
+	  MPEG-4 movie clip under linux using <i>transcode</i>. For a
+	   selection of a video codec implementation supported by
+	   transcode consult the <a href=modules.html> modules</a> info-page.
+
+	  <ul>
+	    <li> You need Arne Schirmacher's nice tool <i>dvgrab</I>
+		to transfer the DV tape to disk. Make sure, you use
+		the "--format dv2" option and maybe "--autosplit" to split
+		the tape into small pieces. Use AVI files, since
+		libdv sound seems to be broken. Optionally, use <br><br>
+		<FONT color=red> tcprobe -i&nbsp; file.avi <br><br>
+		 </i> to find out important parameters: For example:
+
+		 <p><code>
+
+[tcprobe] RIFF data, AVI video
+[avilib] V: 25.000 fps, codec=dvsd, frames=633, width=720, height=576 <br>
+[avilib] A: 48000 Hz, format=0x01, bits=16, channels=2, bitrate=1536
+		 kbps, <br>
+[avilib]    633 chunks, 4861528 bytes <br>
+[tcprobe] summary for test-2002.10.04_14-47-25.avi, (*) = not default, 0 = not detected<br>
+import frame size: -g 720x576 [720x576] <br>
+       frame rate: -f 25.000 [25.000] frc=3 <br>
+      audio track: -a 0 [0] -e 48000,16,2 [48000,16,2] -n 0x1 [0x2000] (*)
+                   bitrate=1536 kbps <br>
+           length: 633 frames, frame_time=40 msec <br>
+</code><p>
+
+		 Fortunately, the auto-probing feature
+		of <i>transcode</i> takes care of these details.
+		 <br><br>
+
+	     <li> To encode the clips, we have a number of options:
+
+		 <ul>
+		   <li> writing a shell script, that feeds transcode with each
+		   file,
+		   <li> using <i>avimerge</i> to create a single
+		       input file,
+
+		   <li> using the directory mode with option "-i". This
+		       works only in connection with the import module <i>import_dv.so</i>.
+		 </ul>
+
+		 <a name=dv_avi><h3>AVI-file</h3></a>
+
+		 Here,
+		 we use a single AVI-file <i>file.avi</i> with "dvsd" codec
+		 as an example: <p>
+
+
+		 <table>
+		   <tr>
+		     <td align=left valign="top" bgcolor="#ccffcc">
+		     transcode</td>
+
+		     <td align=left valign="top" bgcolor="#ccffcc">
+		     -i file.avi -x dv,avi</td>
+		   </tr>
+
+		   <tr><td></td>
+		       <td align=left valign="top" bgcolor="#ccffcc">
+		       -I 1 -C 1 -z -k  </td>
+		  </tr>
+
+	     <td></td><td align=left valign="top" bgcolor="#ccffcc">
+		 -o file-divxmp3.avi -y divx4</td></tr>
+
+	   </table>
+
+	   <br>
+
+	   We use <i>import_avi.so</i> to extract the audio,
+	   which works flawless. Note that the audio is found in two
+	   places in the AVI-file. Firstly, interleaved in the DV video
+	   frame and secondly, the PCM audio track itself.
+	   This makes it possible to use the import module "dv" for audio
+	   extraction as long <i>libdv</i> is broken.<br>
+	   Note: some non-dvgrab produced AVI-files may have the audio
+	   ripped from the DV frames. In this case, you must use "-x
+	   dv,avi" or "-x dv,X", were X is one of (raw,mp3,ac3).
+<br>
+
+	   You can also reduce
+	   the picture to a quarter size "-r 2" to get rid of
+	   the interlace artifacts and don't need the de-interlace
+	   option "-I 1". This option is the fastes de-interlacing
+	   available, but is a simple interpolation.
+	   You might also want to try
+	   out the anti-aliasing feature with "-C 1" to process the
+	   whole frame but this is slow.
+	   The option "-z -k" flips the frame and make the
+	   necessary color space changes for the encoder.
+
+
+	   <a name=dv_dv><h3>DV stream</h3></a>
+
+	   Put all AVI-files or raw DV stream into a subdirectory,
+	   e.g., named "tape/". <p>
+
+
+	   <table>
+	     <tr>
+	       <td align=left valign="top" bgcolor="#ccffcc">
+	       transcode</td>
+
+	       <td align=left valign="top" bgcolor="#ccffcc">
+	       -i tape/ </td>
+	     </tr>
+
+	     <tr><td></td>
+		 <td align=left valign="top" bgcolor="#ccffcc">
+		 -I 3 -C 2 -z -k  </td>
+	   </tr>
+
+       <td></td><td align=left valign="top" bgcolor="#ccffcc">
+	   -o tape-divxmp3.avi -y divx4</td></tr>
+
+     </table>
+
+     <br>
+
+     The necessary import module is autodetected. <i>tccat</i> extracts
+     the video stream of all AVI-files and concatenates them together to
+     make the clips appear as a single DV stream for <i>transcode</i>.
+
+     Here, the de-interlace option "-I 3",
+     which drops one half-frame and interpolates by zooming to full
+     frame size and, in principle, removes the interlace artifacts. We also try
+	   the anti-aliasing feature with "-C 2" to process the
+	   full frame afterwards, but this is slow.
+     <p>
+
+ <li> Well, that's it. Use <i>avimerge</i> to glue the
+     matching clips together and burn the resulting file
+     to CD.
+</ul>
+</TV>
+</table>
+</table>
+
+
+<a name=pass></a>
+<table cellspacing="10" cellpadding="0" border="0" width="100%">
+  <tr>
+    <td align=left valign="top" width=30% bgcolor="#a0a0a0">
+    <table border="0" cellpadding="10" cellspacing="3" font size=+2 bgcolor="#ffffff" width=100%>
+      <td align="left" bgcolor="#e9e9e9">
+
+      <font>pass-through mode</font>
+    </tr>
+    <tr>
+      <td>
+	   The pass-through mode is able to wrap raw Digital Video
+	   streams into AVI-files with the following command. Note, that
+	   the interleaved raw audio data can be transcoded to a separate
+	   audio track with the codec of your choice. However, this
+	   does not save space since Digital Video has identical frame
+	   size independent of the presence of audio.
+
+	   <p>
+	   <code>
+	   transcode -i raw.dv -P 1 -o raw.avi -y raw
+	   </code>
+	   <p>
+
+	   The opposite way is achieved by:
+
+	   <p>
+	   <code>
+	   tcextract -i raw.avi -x raw > raw.dv
+	   </code>
+	   <p>
+
+</table>
+</table>
+
+<a name=interlace></a>
+<table cellspacing="10" cellpadding="0" border="0" width="100%">
+  <tr>
+    <td align=left valign="top" width=30% bgcolor="#a0a0a0">
+    <table border="0" cellpadding="10" cellspacing="3" font size=+2 bgcolor="#ffffff" width=100%>
+      <td align="left" bgcolor="#e9e9e9">
+
+      <font>de-interlacing guide</font>
+    </tr>
+    <tr>
+      <td>
+
+	  Underway.
+	  Tilmann Bitterberg did some testing of de-interlace filters available in
+	  transcode. You can view and read the result
+	  <a href=http://tibit.org/video/> here</a>.
+</table>
+</table>
+
+
+<a name=alias></a>
+<table cellspacing="10" cellpadding="0" border="0" width="100%">
+  <tr>
+    <td align=left valign="top" width=30% bgcolor="#a0a0a0">
+    <table border="0" cellpadding="10" cellspacing="3" font size=+2 bgcolor="#ffffff" width=100%>
+      <td align="left" bgcolor="#e9e9e9">
+
+      <font>anti-aliasing guide</font>
+    </tr>
+    <tr>
+      <td>
+
+	  Underway.
+
+</table>
+</table>
+
+
+<!-- hhmts start -->
+Last modified: Fri Dec  6 16:25:56 Europe/Berlin 2002
+<!-- hhmts end -->
+
+</body> </html>
author	Michele Calgaro <michele.calgaro@yahoo.it>	2020-09-11 14:38:47 +0900
committer	Michele Calgaro <michele.calgaro@yahoo.it>	2020-09-11 14:38:47 +0900
commit	884c8093d63402a1ad0b502244b791e3c6782be3 (patch)
tree	a600d4ab0d431a2bdfe4c15b70df43c14fbd8dd0 /debian/transcode/transcode-1.1.7/docs/html/dv.html
parent	14e1aa2006796f147f3f4811fb908a6b01e79253 (diff)
download	extra-dependencies-884c8093d63402a1ad0b502244b791e3c6782be3.tar.gz extra-dependencies-884c8093d63402a1ad0b502244b791e3c6782be3.zip