Mercurial > hg > may

changeset 206:0a61f84c6a8f

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More withs
author Chris Cannam
date Tue, 07 May 2013 21:36:43 +0100
parents 0c81455270dc
children cd2caf235e1f
files yetilab/stream/filter.yeti
diffstat 1 files changed, 3 insertions(+), 7 deletions(-) [+]
line wrap: on
line diff
--- a/yetilab/stream/filter.yeti	Mon May 06 21:45:38 2013 +0100
+++ b/yetilab/stream/filter.yeti	Tue May 07 21:36:43 2013 +0100
@@ -27,10 +27,9 @@
 
 withDuration nsamples s = //!!! should nsamples be a time in seconds? (no)
    (var pos = 0;
+    s with
     {
         get position () = pos,
-        get channels () = s.channels, 
-        get sampleRate () = s.sampleRate,
         get available () = Known (nsamples - pos),
         get finished? () = not (nsamples > pos),
         read count =
@@ -41,7 +40,6 @@
             else 
                 mat.zeroMatrix { columns = n, rows = s.channels }
             fi),
-        close = s.close,
     });
 
 delayedBy nsamples s = //!!! should nsamples be a time in seconds? (no)
@@ -76,7 +74,7 @@
 
 //!!! poor name, confusion with mixed, but consistent with channels.yeti
 mixedTo targetChannels s =
-    s with //!!! should use this more in this module
+    s with
     {
         get channels () = targetChannels,
         read count = ch.mixedTo targetChannels (s.read count),
@@ -176,10 +174,9 @@
             else
                 mat.concat (Horizontal ()) (cachedPartsFor count);
             fi);
+        s with
         {
             get position () = pos,
-            get channels () = s.channels,
-            get sampleRate () = s.sampleRate,
             get available () = Infinite (),
             get finished? () = false,
             read count =
@@ -196,7 +193,6 @@
                            [part, readFromCache (count - len)];
                     fi;
                 fi,
-            close = s.close
         }
     fi;