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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@10870 b3059339-0415-0410-9bf9-f77b7e298cf2
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diego
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@ -188,13 +188,14 @@ did not install or configure it correctly.
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</sect3>
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<sect3 id="ffmpeg" xreflabel="FFmpeg DivX/libavcodec">
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<sect3 id="ffmpeg" xreflabel="FFmpeg/libavcodec">
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<title>FFmpeg DivX/libavcodec</title>
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<para>
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<ulink url="http://ffmpeg.sourceforge.net">FFmpeg</ulink> contains an
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<emphasis role="bold">open source</emphasis> codec package, which is capable
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of decoding streams encoded with H263/MJPEG/RV10/DivX3/DivX4/DivX5/MP41/MP42/WMV1/WMV2/HuffYUV/SVQ1/SVQ3
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of decoding streams encoded with H263/MJPEG/LJPEG/RV10/DivX3/DivX4/DivX5/MP41/
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MP42/WMV1/WMV2/HuffYUV/SVQ1/SVQ3/MPEG1/MPEG2/VCR1/VCR2/ASV1/ASV2/CLJR
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video, or WMA (Windows Media Audio) audio codecs. Not only some of them can be
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encoded with, but it also offers higher speed than the Win32 codecs or the
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DivX.com DivX4/5 library!
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@ -109,9 +109,10 @@ mencoder dvd://2 -ovc lavc -lavcopts vcodec=mpeg4:vpass=2 -oac copy -o movie.avi
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<title>Encoding to MPEG format</title>
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<para>
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<application>MEncoder</application> can create MPEG (MPEG-PS) format output
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files. It's probably useful only with libavcodec's <emphasis>mpeg1video</emphasis>
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codec, because players - except <application>MPlayer</application> - expect MPEG1
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video, and MPEG1 layer 2 (MP2) audio streams in MPEG files.
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files. It's probably useful only with <link linkend="ffmpeg">libavcodec</link>'s
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<emphasis>mpeg1video</emphasis> codec, because players - except
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<application>MPlayer</application> - expect MPEG1 video, and MPEG1 layer 2 (MP2)
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audio streams in MPEG files.
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</para>
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<para>
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@ -237,7 +238,7 @@ must not be broken. You may need to fix your input AVI files first, as described
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<para>
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<link linkend="ffmpeg">libavcodec</link> provides simple encoding to a lot
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of interesting video and audio formats (currently its audio codecs are
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unsupported). You can encode to the following codecs:
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unsupported). You can encode to the following codecs (more or less up to date):
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<informaltable frame="all">
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<tgroup cols="2">
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@ -248,6 +249,9 @@ unsupported). You can encode to the following codecs:
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<row><entry>mjpeg</entry><entry>
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Motion JPEG
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</entry></row>
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<row><entry>ljpeg</entry><entry>
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Lossless JPEG
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</entry></row>
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<row><entry>h263</entry><entry>
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H263
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</entry></row>
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@ -263,18 +267,33 @@ unsupported). You can encode to the following codecs:
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<row><entry>msmpeg4v2</entry><entry>
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pre-standard MPEG-4 by MS, v2 (used in old asf files)
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</entry></row>
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<row><entry>wmv1</entry><entry>
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<row><entry>wmv1</entry><entry>
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Windows Media Video, version 1 (aka WMV7)
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</entry></row>
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<row><entry>wmv2</entry><entry>
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Windows Media Video, version 2 (aka WMV8)
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</entry></row>
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<row><entry>rv10</entry><entry>
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an old RealVideo codec
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</entry></row>
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<row><entry>mpeg1video</entry><entry>
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MPEG1 video :)
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MPEG1 video
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</entry></row>
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<row><entry>mpeg2video</entry><entry>
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MPEG2 video
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</entry></row>
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<row><entry>huffyuv</entry><entry>
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lossless compression
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</entry></row>
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<row><entry>asv1</entry><entry>
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ASUS Video v1
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</entry></row>
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<row><entry>asv2</entry><entry>
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ASUS Video v2
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</entry></row>
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<row><entry>ffv1</entry><entry>
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FFmpeg's lossless video codec
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</entry></row>
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</tbody>
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</tgroup>
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</informaltable>
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@ -459,16 +478,16 @@ way!
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<para>
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MPEG4 has an unique feature: the video stream can contain its needed aspect
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ratio. Yes, just like MPEG1/2 files (DVD, SVCD). Regretfully, there are
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ratio. Yes, just like MPEG1/2 (DVD, SVCD) and H263 files. Regretfully, there are
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<emphasis role="bold">no</emphasis> video players outside which support this
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attribute. Except <application>MPlayer</application>.
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attribute of MPEG4, except <application>MPlayer</application>.
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</para>
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<para>
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This feature can be used only with <emphasis role="bold">libavcodec</emphasis>'s
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<systemitem>mpeg4</systemitem> codec. Keep in mind: although <application>MPlayer</application>
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will correctly play the created file, other players will use the wrong aspect
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ratio.
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This feature can be used only with <link linkend="ffmpeg">libavcodec</link>'s
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<systemitem>mpeg4</systemitem> codec. Keep in mind: although
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<application>MPlayer</application> will correctly play the created file,
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other players will use the wrong aspect ratio.
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</para>
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<para>
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@ -477,12 +496,75 @@ See the man page for the usage of the <systemitem>cropdetect</systemitem> and
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<systemitem>crop</systemitem> filters.
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</para>
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<formalpara>
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<title>Usage</title>
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<para>
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Usage
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<screen>mencoder sample-svcd.mpg -ovc lavc -lavcopts vcodec=mpeg4:autoaspect -vf crop=714:548:0:14 -oac copy -o output.avi</screen>
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</para>
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</formalpara>
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</sect1>
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<sect1 id="custommatrices"><title>Custom inter/intra matrices</title>
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<para>
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With this feature of <link linkend="ffmpeg">libavcodec</link> you are
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able to set custom inter (I-frames/key frames) and intra (P-frames/predicted
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frames) matrices. It is supported by many of the codecs:
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<systemitem>mpeg1video</systemitem> and <systemitem>mpeg2video</systemitem>
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are reported as working.
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</para>
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<para>
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A typical usage of this feature is to set the matrices preferred by the
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<ulink url="http://www.kvcd.net/">KVCD</ulink> specifications.
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</para>
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<para>
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The <emphasis role="bold">KVCD "Notch" Quantization Matrix:</emphasis>
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</para>
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<para>
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Intra:
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<screen>
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8 9 12 22 26 27 29 34
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9 10 14 26 27 29 34 37
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12 14 18 27 29 34 37 38
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22 26 27 31 36 37 38 40
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26 27 29 36 39 38 40 48
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27 29 34 37 38 40 48 58
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29 34 37 38 40 48 58 69
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34 37 38 40 48 58 69 79
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</screen>
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Inter:
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<screen>
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16 18 20 22 24 26 28 30
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18 20 22 24 26 28 30 32
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20 22 24 26 28 30 32 34
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22 24 26 30 32 32 34 36
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24 26 28 32 34 34 36 38
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26 28 30 32 34 36 38 40
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28 30 32 34 36 38 42 42
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30 32 34 36 38 40 42 44
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</screen>
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</para>
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<para>
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Usage:
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<screen>
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$ mencoder input.avi -o output.avi -oac copy -ovc lavc -lavcopts inter_matrix=...:intra_matrix=...
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</screen>
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</para>
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<para>
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<screen>
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$ mencoder input.avi -ovc lavc -lavcopts
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vcodec=mpeg2video:intra_matrix=8,9,12,22,26,27,29,34,9,10,14,26,27,29,34,37,
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12,14,18,27,29,34,37,38,22,26,27,31,36,37,38,40,26,27,29,36,39,38,40,48,27,
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29,34,37,38,40,48,58,29,34,37,38,40,48,58,69,34,37,38,40,48,58,69,79
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:inter_matrix=16,18,20,22,24,26,28,30,18,20,22,24,26,28,30,32,20,22,24,26,
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28,30,32,34,22,24,26,30,32,32,34,36,24,26,28,32,34,34,36,38,26,28,30,32,34,
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36,38,40,28,30,32,34,36,38,42,42,30,32,34,36,38,40,42,44 -oac copy -o svcd.mpg
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</screen>
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</para>
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</sect1>
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</chapter>
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@ -642,20 +642,17 @@ present) black bar.
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</variablelist>
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<table>
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<title>SDL keys</title>
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<title>SDL only keys</title>
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<tgroup cols="2">
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<thead>
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<row><entry>Key</entry><entry>Action</entry></row>
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</thead>
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<tbody>
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<row><entry><keycap>F</keycap></entry><entry>
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toggles fullscreen/windowed mode
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</entry></row>
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<row><entry><keycap>C</keycap></entry><entry>
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<row><entry><keycap>c</keycap></entry><entry>
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cycles available fullscreen modes
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</entry></row>
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<row><entry><keycap>W</keycap>/<keycap>S</keycap></entry><entry>
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mappings for <keycap>*</keycap> and <keycap>/</keycap> (mixer control)
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<row><entry><keycap>n</keycap></entry><entry>
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changes back to normal mode
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</entry></row>
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</tbody>
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</tgroup>
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