X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;f=README;h=9ad7990ebe1adc4523783f77ae930998feb7aa3f;hb=08d62241a742a68cde7cce7ffb7de7ffa62e538c;hp=e51a3e6c240ce2ccd36ecc2e8f12f289042fb9ba;hpb=f5d9069647f70b7aab8e656f59cf42176c419461;p=videolink.git

diff --git a/README b/README
index e51a3e6..9ad7990 100644
--- a/README
+++ b/README
@@ -17,9 +17,9 @@ VideoLink depends on the following software:
 
 - dvdauthor
 - expat 1.x
-- Gtkmm 2.0
-- ffmpeg or mjpegtools
-- Mozilla 1.7.8 or later, or XULRunner
+- Gtkmm 2.4 or later
+- ffmpeg or mjpegtools 1.8 or later
+- Mozilla 1.8 or later, or XULRunner
 - netpbm
 - Xvfb (from XFree86 or X.org)
 
@@ -67,6 +67,14 @@ This will result in a title with the following chapters:
     4: main.vob 17:45-  end
     5: credits.vob
 
+You can link to the start of a chapter by adding "#" and the chapter
+number after the VOB-list's file name.  For example:
+
+    <a href="movie.voblist#1">Chapter 1</a><br>
+    <a href="movie.voblist#2">Chapter 2</a><br>
+    <a href="movie.voblist#3">Chapter 3</a><br>
+    <a href="movie.voblist#4">Chapter 4</a>
+
 Video standards
 
 The encoding of analogue TV and video signals varies in many different
@@ -98,6 +106,8 @@ To get a rough preview of the menus, run "videolink --preview menu-url"
 where menu-url is the URL or filename of the first page to show.
 Currently videos cannot be displayed in this preview mode.
 
+Press T to go to the "top" (main) menu or Q to quit.
+
 Processing
 
 To create a DVD filesystem, run "videolink menu-url output-dir" where
@@ -108,10 +118,7 @@ to the other pages and to the video files.
 
 By default, VideoLink now calls ffmpeg to generate MPEG-2 streams for
 menus.  If you want it to use mjpegtools as it previously did, you
-must add the option "--encoder mjpegtools".  If you use mjpegtools
-1.6.2 or earlier you must instead use "--encoder mjpegtools-old".
-This is due to an incompatible change in the syntax of the ppmtoy4m
-command between versions 1.6.2 and 1.8.
+must add the option "--encoder mjpegtools".
 
 If this is successful you can then use mkisofs to create a DVD image
 from the output directory.  Alternately you can write this directory
@@ -176,39 +183,25 @@ aspect ratio and sample rate.  However, each chapter will run into the
 next.  If this is a real problem, let me know, and I may be able to
 provide a better solution in a later version of VideoLink.
 
-There is a limit of 128 menus in each "domain" of a DVD, which is
-further reduced by dvdauthor to a practical limit of 119 menus.
-Currently VideoLink generates all menus in a single domain (the VMGM
-domain).  Later versions of VideoLink should support larger numbers of
-menus by using multiple domains.
+Currently VideoLink code can generate up to 999 menus but it may be
+possible for me to raise this internal limit if you want more.  There
+appears to be an absolute limit of 12800 menus on a DVD.
 
 Bugs
 ----
 
-Under Mozilla 1.7, VideoLink sets the assumed screen resolution to
-40 dpi, which I reckon to be the average resolution of a standard
-definition TV display.  This should mean that text with a font size
-expressed in millimetres or points will appear around the specified
-size.  Unfortunately this setting has a different effect under
-Mozilla/XULRunner 1.8:
-
-Mozilla   Assumed    Requested     Actual size
-version  resolution    size     (pixels) (inches)
-           (dpi)
-
-  1.7    default:96    20 px       20      0.5
-  1.7    default:96    36 pt       48      1.2
-  1.7        40        20 px       20      0.5
-  1.7        40        36 pt       20      0.5
-  1.8    default:96    20 px       20      0.5
-  1.8    default:96    36 pt       48      1.2
-  1.8        40        20 px       48      1.2
-  1.8        40        36 pt       48      1.2
-
-From version 0.10, until I have a proper solution, VideoLink will not
-set the assumed screen resolution under Mozilla 1.8.  I must advise
-against using font sizes in millimetres or points since they will vary
-between browser versions.
+VideoLink should set the assumed screen resolution to 40 dpi, which I
+reckon to be the average resolution of a standard definition TV
+display.  This would mean that text with a font size expressed in
+millimetres or points will appear around the specified size.
+Earlier versions of VideoLink did this when built to use Mozilla 1.7.
+Unfortunately the resolution setting in Mozilla 1.8 actually affects
+measurements in pixels and not measurements in millimetres or points!
+The assumed screen resolution is always 96 dpi.
+
+Please specify measurements such as font sizes in pixels because
+measurements in millimetres or points are liable to change if and when
+I can override the assumed screen resolution again.
 
 Author and copyright
 --------------------