Changeset 88171 in vbox

Timestamp:

Mar 18, 2021 1:43:19 AM (4 years ago)

Author:

vboxsync

Message:

DevHDA: Rewrote the wall clock code to base it on the virtual sync clock with a start offset and holding it back according to DMA progress. Introduced new saved state version. [build fix] bugref:9890

File:

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

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

@@ -1048 +1048 @@
         return (uint32_t)RTCircBufFree(pStreamR3->State.pCircBuf);
     return 0;
-}
-
-/**
- * Converts frame count to wall clock ticks (WALCLK).
- *
- * @returns Wall clock ticks.
- * @param   pStream     The stream to do the conversion for.
- * @param   cFrames     Number of audio frames.
- */
-DECLINLINE(uint64_t) hdaR3StreamFramesToWalClk(PHDASTREAM pStreamShared, uint32_t cFrames)
-{
-    const uint32_t uHz = RT_MAX(pStreamShared->State.Cfg.Props.uHz, 1 /* prevent div/0 */);
-    return ASMMultU32ByU32DivByU32(cFrames, 24000000 /* 24 MHz wall clock (WALCLK). */ , uHz);
 }