fixes suggested by Diego

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@17254 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
gpoirier 2005-12-27 13:01:22 +00:00
parent 77294d838e
commit b65d834942
1 changed files with 12 additions and 11 deletions

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@ -1360,15 +1360,15 @@ Do not do this! Always use a file or CD/DVD/etc device as input.
<itemizedlist> <itemizedlist>
<listitem><para> <listitem><para>
<emphasis role="bold">Compression efficiency</emphasis>: <emphasis role="bold">Compression efficiency</emphasis>:
It's quite easy to understand that newer-generation codecs are made It is quite easy to understand that newer-generation codecs are made
to yield better picture quality than previous generations. to yield better picture quality than previous generations.
Therefore, you cannot be wrong Therefore, you cannot go wrong
<footnote id='fn-menc-feat-dvd-mpeg4-codec-cpu'> <footnote id='fn-menc-feat-dvd-mpeg4-codec-cpu'>
<para>Be careful, however: decoding DVD-resolution MPEG-4 AVC videos <para>Be careful, however: Decoding DVD-resolution MPEG-4 AVC videos
requires a fast machine (i.e. a Pentium 4 over 1.5Ghz or a Pentium M requires a fast machine (i.e. a Pentium 4 over 1.5Ghz or a Pentium M
over 1Ghz). over 1Ghz).
</para></footnote> </para></footnote>
by choosing MPEG-4 AVC codecs like when choosing MPEG-4 AVC codecs like
<systemitem class="library">x264</systemitem> instead of MPEG-4 ASP codecs <systemitem class="library">x264</systemitem> instead of MPEG-4 ASP codecs
such as <systemitem class="library">libavcodec</systemitem> MPEG-4 or such as <systemitem class="library">libavcodec</systemitem> MPEG-4 or
<systemitem class="library">XviD</systemitem>. <systemitem class="library">XviD</systemitem>.
@ -1385,8 +1385,8 @@ Do not do this! Always use a file or CD/DVD/etc device as input.
This is simply the tradeoff for using bleeding-edge technology. This is simply the tradeoff for using bleeding-edge technology.
</para> </para>
<para> <para>
What's more, beginning to use a new codec requires that you spend some What is more, beginning to use a new codec requires that you spend some
time becoming familiar with its available options, so that you know what time becoming familiar with its options, so that you know what
to adjust to achieve a desired picture quality. to adjust to achieve a desired picture quality.
</para></listitem> </para></listitem>
@ -1395,9 +1395,9 @@ Do not do this! Always use a file or CD/DVD/etc device as input.
It usually takes a long time for standalone video players to begin to It usually takes a long time for standalone video players to begin to
include support for the latest video codecs. include support for the latest video codecs.
As a result, most only support MPEG-2 and MPEG-4 ASP As a result, most only support MPEG-2 and MPEG-4 ASP
(beware: usually, not all MPEG-4 ASP features are supported). (Beware: Usually, not all MPEG-4 ASP features are supported).
Please refer to the technical specs of your player (if they are available), Please refer to the technical specs of your player (if they are available),
or Google around for more information. or google around for more information.
</para></listitem> </para></listitem>
<listitem><para> <listitem><para>
@ -1406,13 +1406,14 @@ Do not do this! Always use a file or CD/DVD/etc device as input.
<systemitem class="library">libavcodec</systemitem> MPEG-4 and <systemitem class="library">libavcodec</systemitem> MPEG-4 and
<systemitem class="library">XviD</systemitem>) are usually heavily <systemitem class="library">XviD</systemitem>) are usually heavily
optimized with all kinds of smart algorithms and SIMD assembly code. optimized with all kinds of smart algorithms and SIMD assembly code.
That's why they tend to yield the best quality per fps. That is why they tend to yield the best quality quality per
encoding time ratio.
However, they may have some very advanced options that, if enabled, However, they may have some very advanced options that, if enabled,
will make the encode really slow for marginal gains. will make the encode really slow for marginal gains.
</para> </para>
<para> <para>
If you are after blazing speed you should stick around the default If you are after blazing speed you should stick around the default
settings of the video codec (which doesn't mean you should not experiment settings of the video codec (which does not mean you should not experiment
with some of the options which are mentioned in other sections with some of the options which are mentioned in other sections
of this guide). of this guide).
</para> </para>
@ -1439,7 +1440,7 @@ Do not do this! Always use a file or CD/DVD/etc device as input.
<systemitem class="library">x264</systemitem>. <systemitem class="library">x264</systemitem>.
</para> </para>
<para> <para>
Make your own judgment, and don't always listen to what some people will Make your own judgment, and do not always listen to what some people will
tell you to do or think: The best codec is the one you master the best, tell you to do or think: The best codec is the one you master the best,
and the one that looks best to your eyes on your display and the one that looks best to your eyes on your display
<footnote id='fn-menc-feat-dvd-mpeg4-codec-playback'> <footnote id='fn-menc-feat-dvd-mpeg4-codec-playback'>