[Mplayer-cvslog] CVS: main/DOCS codecs.html,1.72,1.73 formats.html,1.35,1.36
Diego Biurrun CVS
diego at mplayerhq.hu
Wed Jul 24 03:56:11 CEST 2002
Update of /cvsroot/mplayer/main/DOCS
In directory mail:/var/tmp.root/cvs-serv6885
Modified Files:
codecs.html formats.html
Log Message:
Moved RealPlayer libs installation to codecs.html where all the other
installation instructions are.
Always use <B>Note:</> for consistency, reworded parts all over the place.
Index: codecs.html
===================================================================
RCS file: /cvsroot/mplayer/main/DOCS/codecs.html,v
retrieving revision 1.72
retrieving revision 1.73
diff -u -r1.72 -r1.73
--- codecs.html 29 Jun 2002 05:32:35 -0000 1.72
+++ codecs.html 24 Jul 2002 01:56:08 -0000 1.73
@@ -60,7 +60,7 @@
<P>Unpack it, and run <CODE>./install.sh</CODE> as root.</P>
-<P>Note: Do NOT forget adding <CODE>/usr/local/lib</CODE> to your
+<P><B>Note:</B> Do <B>not</B> forget adding <CODE>/usr/local/lib</CODE> to your
<CODE>/etc/ld.so.conf</CODE> and running <CODE>ldconfig</CODE>!</P>
<P><B>MPlayer</B> autodetects DivX4/DivX5 if it is properly installed, just
@@ -85,18 +85,18 @@
method. For RGB modes the speed is the same, differing at best
according to your current color depth.</P>
-<P>NOTE: If your -vo driver supports direct rendering, then <CODE>-vc divx4</CODE> may be
-faster, or even the fastest solution.</P>
+<P><B>Note:</B> If your <CODE>-vo</CODE> driver supports direct rendering, then
+ <CODE>-vc divx4</CODE> may be faster or even the fastest solution.</P>
<P><B><A NAME=2.2.1.2>2.2.1.2. FFmpeg DivX/libavcodec</A></B></P>
<P>Beginning with version 0.4.2,
<A HREF="http://ffmpeg.sourceforge.net">FFmpeg</A> contains an
-<B>open source</B> DivX codec, which is compatible with the traditional DivX.
+<B>open source</B> DivX codec, which is compatible with traditional DivX.
<B>MPlayer</B> supports this codec, making it possible to <B>watch
-DivX/DivX4/DivX5/MP41/MP42 movies on non-x86 platforms</B>. Furthermore it offers higher
-decoding speed than the Win32 codecs or the original
+DivX/DivX4/DivX5/MP41/MP42 movies on non-x86 platforms</B>. Furthermore it
+offers higher decoding speed than the Win32 codecs or the original
DivX4 library!</P>
<P>It also contains a lot of nice codecs, such as RealVideo 1.0, WMV7,
@@ -117,7 +117,7 @@
<LI>Compile. Configure should detect problems before compilation.</LI>
</OL>
-<P><B>NOTE:</B> MPlayer from CVS does contain a libavcodec
+<P><B>Note:</B> MPlayer from CVS does contain a libavcodec
subdirectory, but it does NOT contain the source for libavcodec!
You must follow the steps above to obtain the source for this library.</P>
@@ -207,8 +207,20 @@
<LI>RealVideo 3.0 (fourcc RV30) - decoding supported by <B>RealPlayer libraries</B></LI>
</UL>
-<P>On how to install RealPlayer libraries, see the
- <A HREF="formats.html#2.1.1.7">RealMedia file format</A> section.</P>
+<P>It is recommended to download and install RealPlayer8 or RealONE, because
+ <B>MPlayer</B> can use their libraries to decode files with RealVideo 2.0 or
+ RealVideo 3.0 video. You may also just take the RealPlayer libraries from a
+ full installation and put them in a suitable directory like
+ <CODE>/usr/lib/real</CODE> or <CODE>$LIBDIR/real</CODE>. The <B>MPlayer</B>
+ configure script should detect the RealPlayer libraries there or in the
+ standard locations of a full installation. If it does not, tell configure
+ where to look with the <CODE>--with-reallibdir</CODE> switch.</P>
+
+<P><B>Note:</B> RealPlayer libraries currently <B>only work with Linux, FreeBSD,
+ NetBSD and Cygwin on the x86 platform</B>!</P>
+
+<P><B>Note2:</B> We cannot distribute the RealPlayer libraries, the license does
+ not allow this. You have to get them yourself.</P>
<P><B><A NAME=2.2.1.9>2.2.1.9. XViD</A></B></P>
@@ -253,16 +265,16 @@
<P><B><A NAME=2.2.1.10>2.2.1.10. Sorenson</A></B></P>
<P><B>Sorenson</B> is a video codec developed by Apple. We are currently
- able to decode the first version of it (SVQ1), with a native decoder.</P>
+ able to decode the first version (SVQ1) with a native decoder.</P>
<P><B>Advantages:</B></P>
<UL>
- <LI>old, slow Macintosh machines were able to decode it</LI>
+ <LI>Fast, even old Macintosh machines were able to decode it.</LI>
</UL>
<P><B>Disadvantages:</B></P>
<UL>
- <LI>SVQ3 is still not reverse-engineered</LI>
+ <LI>SVQ3 is still not reverse engineered.</LI>
</UL>
<P><B>Installation:</B> it's compiled and usable per default.</P>
@@ -408,7 +420,7 @@
field. Write down the 16 byte CLSID, this is the GUID we need.
</UL>
-<P>NOTE: If searching fails, try enabling all the checkboxes. You may have
+<P><B>Note:</B> If searching fails, try enabling all the checkboxes. You may have
false hits, but you may get lucky...</P>
<P>Now that you have all the necessary information (fourcc, GUID, codec file,
Index: formats.html
===================================================================
RCS file: /cvsroot/mplayer/main/DOCS/formats.html,v
retrieving revision 1.35
retrieving revision 1.36
diff -u -r1.35 -r1.36
--- formats.html 29 Jun 2002 16:27:48 -0000 1.35
+++ formats.html 24 Jul 2002 01:56:08 -0000 1.36
@@ -42,7 +42,7 @@
MPEG1 video, and MP2 (MPEG-1 layer 2) or rarely MP1 audio.</LI>
<LI>DAT: This is the very same format as MPG with a different extension. It is used
on <B>Video CD</B>s. Due to the way VCDs are created and Linux is designed,
-the DAT files cannot be played nor copied from VCDs as regular files. You have
+DAT files cannot be played nor copied from VCDs as regular files. You have
to use the <CODE>-vcd</CODE> option to play the Video CD.</LI>
<LI>VOB: This is the MPEG file format on <B>DVD</B>s. It is the same as MPG, plus the
capability to contain subtitles or non-MPEG (AC3) audio. It contains encoded MPEG2
@@ -51,8 +51,8 @@
</UL>
<P>Series of frames form independent groups in MPEG files. This means that you
-can cut/join an MPEG file with standard file tools (like dd, cut), and it
-remains completely functional.</P>
+can cut/join an MPEG file with standard file tools (like <CODE>dd</CODE>,
+<CODE>cut</CODE>), and it remains completely functional.</P>
<P>One important feature of MPGs is that they have a field to describe
the aspect ratio of the video stream within. For example SVCDs have
@@ -63,22 +63,22 @@
<P><B><A NAME=2.1.1.2>2.1.1.2. AVI files</A></B></P>
-<P>Designed by Micro$oft, <B>AVI (Audio Video Interleaved)</B> is a
+<P>Designed by Microsoft, <B>AVI (Audio Video Interleaved)</B> is a
widespread multipurpose format currently used mostly for DivX and DivX4
video. It has many known drawbacks and shortcomings (for example in streaming).
-It supports one video stream and 0 to 99 audio streams and can be as big as
-2GB. There exists an extension allowing bigger files called <B>OpenDMS</B>.
-M$ currently strongly discourages its use and encourages ASF/WMV. Not that
+It supports one video stream and 0 to 99 audio streams. File size is limited to
+2GB, but there exists an extension allowing bigger files called <B>OpenDMS</B>.
+Microsoft currently strongly discourages its use and encourages ASF/WMV. Not that
anybody cares.<BR>
<P>There is a hack that allows AVI files to contain an Ogg Vorbis audio
stream, but makes them incompatible with standard AVI. <B>MPlayer</B>
supports playing these files. Seeking is also implemented but severely
hampered by badly encoded files with confusing headers. Unfortunately the
- only encoder currently capable of creating these files, nandub, has this
+ only encoder currently capable of creating these files, NanDub, has this
problem.</P>
-<P><B>NOTE:</B> DV cameras create raw DV streams that DV grabbing utilities
+<P><B>Note:</B> DV cameras create raw DV streams that DV grabbing utilities
convert to two different types of AVI files. The AVI will then contain either
separate audio and video streams that <B>MPlayer</B> can play or the raw DV
stream for which support is under development.</P>
@@ -99,8 +99,8 @@
<UL>
<LI><B>bps-based</B>: It is based on the bitrate/samplerate of the video/audio stream. This
method is used by most players, including <A HREF="http://avifile.sourceforge.net">avifile</A>
- and windows media player.
- Files with broken headers, and files created with VBR audio but not
+ and Windows Media Player.
+ Files with broken headers, and files created with VBR audio but not with a
VBR-compliant encoder will result in A/V desync with this method (mostly at
seeking).</LI>
<LI><B>interleaving-based</B>: It does not use the bitrate value of the header, instead
@@ -111,16 +111,16 @@
<P>Any audio and video codec is allowed, but note that VBR audio is not well
supported by most players. The file format makes it possible to use VBR
audio, but most players expect CBR audio, thus they fail with VBR. VBR is
-uncommon and Microsoft's AVI specs only describe CBR audio. I also noticed that
-most AVI encoders/multiplexers create bad files when using VBR audio. There are only
-two exceptions (known to me): NaNDub and <A HREF="encoding.html">MEncoder</A>.</P>
+uncommon and the Microsoft AVI specs only describe CBR audio. Most AVI
+encoders/multiplexers create bad files when using VBR audio. There are only
+two known exceptions: NanDub and <A HREF="encoding.html">MEncoder</A>.</P>
<P><B><A NAME=2.1.1.3>2.1.1.3. ASF/WMV files</A></B></P>
<P>ASF (active streaming format) comes from Microsoft. They developed two
-variants of ASF, v1.0 and v2.0. v1.0 is used by their media tools (windows
-media player and windows media encoder) and is very secret. v2.0 is published
+variants of ASF, v1.0 and v2.0. v1.0 is used by their media tools (Windows
+Media Player and Windows Media Encoder) and is very secret. v2.0 is published
and patented :). Of course they differ, there is no compatibility at all (it is
just another legal game). <B>MPlayer</B> supports only v1.0, as nobody has ever seen
v2.0 files :). Note that ASF files nowadays come with the extension .WMA or
@@ -129,16 +129,16 @@
<P><B><A NAME=2.1.1.4>2.1.1.4. QuickTime/MOV files</A></B></P>
-<P>These formats were designed by Apple. They usually have a .QT or .MOV extension. Note
-that since the MPEG4 group chose QuickTime as the recommended file format
-for MPEG4, their MOV files come with a .MPG or .MP4 extension (Interestingly
-the video and audio streams in these files are real MPG and AAC files. With the
-<CODE>-dumpvideo</CODE> and <CODE>-dumpaudio</CODE> options you can even extract them!).</P>
-
-<P><B>Codecs</B>: Any codec is allowed, both CBR and VBR. Note: most new QuickTime files use
-<B>Sorenson</B> video and QDesign Music audio. See our
-<A HREF="codecs.html#2.2.1.10">Sorenson</A> codec section. QDesign Music
-audio currently can't be played.</P>
+<P>These formats were designed by Apple and can contain any codec, CBR or VBR.
+They usually have a .QT or .MOV extension. Ever since the MPEG4 group chose
+QuickTime as the recommended file format for MPEG4, their MOV files come with a
+.MPG or .MP4 extension (Interestingly the video and audio streams in these
+files are real MPG and AAC files. You can even extract them with the
+<CODE>-dumpvideo</CODE> and <CODE>-dumpaudio</CODE> options.).</P>
+
+<P><B>Note:</B> Most new QuickTime files use <B>Sorenson</B> video and QDesign
+ Music audio. See our <A HREF="codecs.html#2.2.1.10">Sorenson</A> codec
+ section. QDesign Music audio currently cannot be played.</P>
<P><B><A NAME=2.1.1.5>2.1.1.5. VIVO files</A></B></P>
@@ -173,21 +173,6 @@
<A HREF="codecs.html#2.2.1.8">RealVideo</A>
and <A HREF="codecs.html#2.2.2.5">RealAudio</A> codecs.</P>
-<P>It's recommended to download and install RealPlayer8 or RealONE, because
- <B>MPlayer</B> can use their libraries to decode files with RealVideo 2.0 or
- RealVideo 3.0 video!</P>
-
-<P>The <B>MPlayer</B> configure script should detect the RealPlayer libraries
- in all standard locations. If it does not, tell configure where to look with
- the <CODE>--with-reallibdir</CODE> switch.</P>
-
-<P>It is also possible to just take the RealPlayer libraries from somewhere and
- put them in a suitable directory like <CODE>/usr/lib/real</CODE> or
- <CODE>$LIBDIR/real</CODE>.</P>
-
-<P>NOTE: RealPlayer libraries currently <B>only work with Linux, FreeBSD,
- NetBSD and Cygwin on the x86 platform</B>!</P>
-
<P><B><A NAME=2.1.1.8>2.1.1.8. NuppelVideo files</A></B></P>
@@ -195,15 +180,15 @@
is a TV grabber tool (AFAIK:). <B>MPlayer</B> can read its .NUV
files (only NuppelVideo 5.0). Those files can contain uncompressed YV12,
YV12+RTJpeg compressed, YV12 RTJpeg+lzo compressed, and YV12+lzo compressed
-frames. <B>MPlayer</B> decodes (and also <B>encodes</B> them with MEncoder to
-DivX/etc!) them all. Seeking works.</P>
+frames. <B>MPlayer</B> decodes them all (and also <B>encodes</B> them with
+<B>MEncoder</B> to DivX/etc!). Seeking works.</P>
<P><B><A NAME=2.1.1.9>2.1.1.9. yuv4mpeg files</A></B></P>
<P><A HREF="http://mjpeg.sourceforge.net">yuv4mpeg / yuv4mpeg2</A> is
a file format used by the <A HREF="http://mjpeg.sf.net">mjpegtools programs</A>.
-You can grab, produce, filter or encode video in this format using these.
+You can grab, produce, filter or encode video in this format using these tools.
The file format is really a sequence of uncompressed YUV 4:2:0 images.
</P>
@@ -221,8 +206,9 @@
<P><B><A NAME=2.1.1.12>2.1.1.12. OGG files</A></B></P>
-<P>This is a new fileformat from Xiphophorus, developed to contain Vorbis
- audio. You'll need <CODE>libogg</CODE> and <CODE>libvorbis</CODE> installed
+<P>This is a new file format from <A HREF="http://www.xiph.org">Xiphophorus</A>.
+ It can contain any video or audio codec, CBR or VBR. You will need to
+ have <CODE>libogg</CODE> and <CODE>libvorbis</CODE> installed
before compiling <B>MPlayer</B> to be able to play it.</P>
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