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| author | gpoirier <gpoirier@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2005-05-08 14:30:53 +0000 |
|---|---|---|
| committer | gpoirier <gpoirier@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2005-05-08 14:30:53 +0000 |
| commit | 873194cb417b1696f92d648c575e512649f3ad27 (patch) | |
| tree | 8d6f5859fa13b1c19a1ff99f8d0b6a5e7e6d6706 /DOCS | |
| parent | 4b3f9a5408e43274c22eda3b51ebaeea69a3b203 (diff) | |
| download | mpv-873194cb417b1696f92d648c575e512649f3ad27.tar.bz2 mpv-873194cb417b1696f92d648c575e512649f3ad27.tar.xz | |
explains what ARa is and a tries to improve the readability of the
paragraph about X and Y resolution
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@15367 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'DOCS')
| -rw-r--r-- | DOCS/xml/en/mencoder.xml | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/DOCS/xml/en/mencoder.xml b/DOCS/xml/en/mencoder.xml index 6224fb4935..00e1376cac 100644 --- a/DOCS/xml/en/mencoder.xml +++ b/DOCS/xml/en/mencoder.xml @@ -1185,6 +1185,9 @@ vcodec=mpeg2video:intra_matrix=8,9,12,22,26,27,29,34,9,10,14,26,27,29,34,37, Wc and Hc are the width and height of the cropped video, </para></listitem> <listitem><para> + ARa is the displayed aspect ratio, which usually is 4/3 or 16/9, +</para></listitem> +<listitem><para> PRdvd is the pixel ratio of the DVD which is equal to 1.25=(720/576) for PAL DVDs and 1.5=(720/480) for NTSC DVDs, </para></listitem> @@ -1195,6 +1198,7 @@ vcodec=mpeg2video:intra_matrix=8,9,12,22,26,27,29,34,9,10,14,26,27,29,34,37, Then, you can compute the X and Y resolution, according to a certain Compression Quality (CQ) factor: <systemitem>ResY = INT(SQRT( 1000*Bitrate/25/ARc/CQ )/16) * 16</systemitem> + and <systemitem>ResX = INT( ResY * ARc / 16) * 16</systemitem> </para> |