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So I just wrote an atrac3+ frame decode library (2013-06-03)
06-09-2013, 08:10 PM (This post was last modified: 06-09-2013 08:36 PM by Fadeout.)
Post: #208
RE: So I just wrote an atrac3+ frame decode library (2013-06-03)
So, I was testing Persona 1. The videos play fine, but performance is really bad. I get an average of 52 FPS, so sound and video slow down.

This is really weird because on the MUCH slower JPCSP those videos play without a glitch or performance issue.

On JPCSP playing a Persona video just takes 15% or so of my CPU power. On PPSSPP the same video maxes one core and it can't keep a smooth playback. Which is really weird since JPCSP has usually an horrid performance compared to PPSSPP.

The rest would be all fine, if it wasn't for a texture bug in Persona that makes it basically unplayable (since those textures are used frequently in combat, for example):
https://github.com/hrydgard/ppsspp/issues/1793

P.S.
This is also doing something very strange with the memory. As the video starts the memory starts increasing slowly as the video plays. I've seen it climbing up to more than 2Gb! If this is a memory leak it's the largest I've ever seen Wink
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RE: So I just wrote an atrac3+ frame decode library (2013-06-03) - Fadeout - 06-09-2013 08:10 PM

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