mirror of https://github.com/mpv-player/mpv
added more audio plugin documentation
(patch submitted by Johansson <ajh@atri.curtin.edu.au>) git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4509 b3059339-0415-0410-9bf9-f77b7e298cf2
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@ -129,8 +129,11 @@
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<LI><A HREF="sound.html#2.3.2.1">2.3.2.1 Ajánlott beállítások különféle hangkártyákhoz</A></LI>
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<LI><A HREF="sound.html#2.3.2.2">2.3.2.2 Audio pluginek</A></LI>
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<UL>
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<LI><A HREF="sound.html#2.3.2.2">2.3.2.2 Bevezető</A></LI>
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<LI><A HREF="sound.html#2.3.2.2.1">2.3.2.2.1 Up/Downsampling</A></LI>
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<LI><A HREF="sound.html#2.3.2.2.2">2.3.2.2.2 Térhatású hangok dekódolása</A></LI>
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<LI><A HREF="sound.html#2.3.2.2.3">2.3.2.2.3 Sample formátum konvertáló</A></LI>
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<LI><A HREF="sound.html#2.3.2.2.4">2.3.2.2.4 Delay</A></LI>
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</UL>
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</UL>
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</UL>
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@ -130,6 +130,37 @@ is bugzik...</I></TD><TR>
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<P><B><A NAME=2.3.2.2>2.3.2.2. Audio pluginek</A></B></P>
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<P>Az <B>MPlayer</B> tartalmaz néhány audio plugint. Ezek a hang
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tulajdonságainak megváltoztatására használhatóak. A használatuk az
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<CODE>-aop</CODE> opcióval történik, amit a
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<CODE>list=plugin1,plugin2,...</CODE> opció követ. A <CODE>list</CODE>
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kapcsoló elhagyhatatlan, itt adható meg a használandó pluginek listája,
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valamint a sorrendjük. Például a következő parancs:
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</P>
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<P> <CODE>mplayer media.avi -aop list=resample,format</CODE></P>
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<P>először a resample pluginen, aztán a format pluginen keresztül vezeti
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a hangot.
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</P>
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<P>A plugineknek is vannak opcióik, amelyek befolyásolják őket. Ezek
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részletesebben a következő fejezetekben vannak leírva. Ha egy pluginnak
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nem adsz meg beállításokat, az alapértelmezett beállításban fognak futni.
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Íme egy példa hogy hogyan használj több plugint, megadott opciókkal:
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</P>
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<P> <CODE>mplayer media.avi -aop
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list=resample,format:fout=48000:format=0x8</CODE>
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</P>
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<P>Ez 44100Hz-es kimeneti frekvenciára mixel, és a kimeneti formátumot
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átállítja AFMT_U8-ra.
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</P>
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<P>Currently audio plugins can not be used in <B>MEncoder</B>.</P>
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<P><B><A NAME=2.3.2.2.1>2.3.2.2.1. Up/Downsampling</A></B></P>
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<P>Az <B>MPlayer</B> képes az audio stream frekvenciáját növelni illetve
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@ -157,6 +188,24 @@ hangk
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<CODE>mplayer media.avi -aop list=surround</CODE></P>
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<P><B><A NAME=2.3.2.2.3>2.3.2.2.3. Sample formátum konvertáló</A></B></P>
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<P>Ha a hangkártyád nem támogatja a signed 16bit int formátumot, ezzel
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a pluginnel átalakíthatod a kimeneti hangot olyanba amit visz.
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Egy opciója van neki, a <CODE>format</CODE>, ami után megadandó a kívánt
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formátum száma (lásd libao2/afmt.h). Ez a plugin ritkán használandó..
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</P>
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<P>Használat :<BR>
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<CODE>mplayer media.avi -aop
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list=format:format=<kimeneti formátum></CODE>
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</P>
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<P><B><A NAME=2.3.2.2.4>2.3.2.2.4. Delay</A></B></P>
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<P>Példa plugin, csak developereknek. Lásd angol dox.</P>
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</BODY>
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</HTML>
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@ -129,8 +129,11 @@
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<LI><A HREF="sound.html#2.3.2.1">2.3.2.1 Soundcard experiences, recommendations</A></LI>
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<LI><A HREF="sound.html#2.3.2.2">2.3.2.2 Audio plugins</A></LI>
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<UL>
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<LI><A HREF="sound.html#2.3.2.2">2.3.2.2 Summary</A></LI>
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<LI><A HREF="sound.html#2.3.2.2.1">2.3.2.2.1 Up/Downsampling</A></LI>
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<LI><A HREF="sound.html#2.3.2.2.2">2.3.2.2.2 Surround Sound decoding</A></LI>
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<LI><A HREF="sound.html#2.3.2.2.3">2.3.2.2.3 Sample format converter</A></LI>
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<LI><A HREF="sound.html#2.3.2.2.4">2.3.2.2.4 Delay</A></LI>
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</UL>
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</UL>
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</UL>
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@ -126,13 +126,48 @@ problems (losing sync, disappearing audio, etc).</LI>
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<P><B><A NAME=2.3.2.2>2.3.2.2. Audio plugins</B></P>
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<P><B>MPlayer</B> has support for audio plugins. Audio plugins can be used for
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changing the properties of the audio data before the sound reaches the sound
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card. They are enabled using the <CODE>-aop</CODE> switch followed by the
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<CODE>list=plugin1,plugin2,...</CODE> switch. The <CODE>list</CODE> switch is
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required and determines which plugins that should be used and in which order
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they should be executed, example:
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</P>
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<P> <CODE>mplayer media.avi -aop list=resample,format</CODE></P>
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<P>would run the sound through the resampling plugin followed by the format
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plugin.
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</P>
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<P>The plugins can also have switches that changes their behaviour. These
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switches are explained in detail in the sections below. A plugin will execute
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using default settings if it's switches are omitted. Example of how to use
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plugins in combination with plugin specific switches:
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</P>
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<P> <CODE>mplayer media.avi -aop
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list=resample,format:fout=48000:format=0x8</CODE>
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</P>
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<P>would set the output frequency of the resample plugin to 44100Hz and the
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output format of the format plugin to AFMT_U8.
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</P>
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<P>Currently audio plugins can not be used in <B>MEncoder</B>.</P>
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<P><B><A NAME=2.3.2.2.1>2.3.2.2.1. Up/Downsampling</B></P>
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<P><B>MPlayer</B> fully supports up/downsampling of audio stream.
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It is not autodetected, so you have to specify it explicitly even when
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for example you have a max 44.1Khz capable soundcard, and the audio
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is 48Khz. Also, this functionality is currently unimplemented in
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<B>MEncoder</B>.</P>
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<P><B>MPlayer</B> fully supports up/down sampling of the sound. This plugin can
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for example be used if you have a fixed frequency sound card or if you are
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stuck with an olqd sound card that is only capable of max 44.1kHz.
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Limitations in your hardware are not auto detected, so you have to specify
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the sample frequency explicitly. This plugin has one switch:
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<CODE>fout</CODE> which is used for setting the desired output sample
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frequency, it defaults to 48kHz, and is given in
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<Hz>.
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</P>
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<P>Usage :<BR>
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<CODE>mplayer media.avi -aop list=resample:fout=<required
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@ -152,5 +187,29 @@ sound.</p>
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<P>Usage :<BR>
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<CODE>mplayer media.avi -aop list=surround</CODE></P>
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<P><B><A NAME=2.3.2.2.3>2.3.2.2.3. Sample format converter</A></B></P>
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<P>If your sound card driver doesn't support signed 16bit int, this plugin can
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be used to change the format to one which your sound card can understand. It
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has one switch <CODE>format</CODE> which can be set to one of the numbers
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found in libao2/afmt.h. This plugin is hardly ever needed and is intended for
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advanced users. Observe that this plugin only changes the sample format and
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not the sample frequency or the number of channels.
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</P>
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<P>Usage :<BR>
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<CODE>mplayer media.avi -aop
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list=format:format=<required output format></CODE>
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</P>
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<P><B><A NAME=2.3.2.2.4>2.3.2.2.4. Delay</A></B></P>
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<P>This plugin delays the sound and is intended as an example of how to develop
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new plugins. It can not be used for anything useful from users perspective
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and is mentioned here for the sake of completeness only. Do not use this
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plugin unless you are a developer.</P>
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</BODY>
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</HTML>
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