Changeset 87986 in vbox

Timestamp:

Mar 5, 2021 9:00:57 PM (4 years ago)

Author:

vboxsync

Message:

DrvAudioCommon: Explain how do DrvAudioHlpFramesToMilli and such without using floating point.

File:

• trunk/src/VBox/Devices/Audio/DrvAudioCommon.cpp (modified) (1 diff)

trunk/src/VBox/Devices/Audio/DrvAudioCommon.cpp

@@ -1345 +1345 @@
         return 0;
 
+    /* @todo r=bird: How to do this w/o any floating point:
+    * @code
+    *  ASMMultU32ByU32DivByU32(cFrames, RT_MS_1SEC, pProps->uHz);
+    * // or
+    *  (uint64_t)cFrames * RT_MS_1SEC / pProps->uHz
+    * @endcode
+    */
     return cFrames / ((double)pProps->uHz / (double)RT_MS_1SEC);
 }