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xbmc: add PR2421

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Signed-off-by: Stephan Raue <stephan@openelec.tv>
This commit is contained in:
Stephan Raue 2013-03-11 18:22:30 +01:00
parent 0a8e88c664
commit 98ad4cafd3
1 changed files with 59 additions and 0 deletions
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59
packages/mediacenter/xbmc/patches/xbmc-990.20-PR2421.patch Normal file
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@ -0,0 +1,59 @@
From 95ea48d4353516c59e70c962c4970da0bd511aac Mon Sep 17 00:00:00 2001
From: Anssi Hannula <anssi@xbmc.org>
Date: Mon, 11 Mar 2013 00:05:13 +0200
Subject: [PATCH 1/2] AE: ALSA: Try to get 200ms buffer even if we did not get
50ms periodsize
---
xbmc/cores/AudioEngine/Sinks/AESinkALSA.cpp | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/xbmc/cores/AudioEngine/Sinks/AESinkALSA.cpp b/xbmc/cores/AudioEngine/Sinks/AESinkALSA.cpp
index 332f305..b905ada 100644
--- a/xbmc/cores/AudioEngine/Sinks/AESinkALSA.cpp
+++ b/xbmc/cores/AudioEngine/Sinks/AESinkALSA.cpp
@@ -340,11 +340,9 @@ bool CAESinkALSA::InitializeHW(AEAudioFormat &format)
a periodSize of approx 50 ms. Choosing a higher bufferSize
will cause problems with menu sounds. Buffer will be increased
after those are fixed.
- periodSize = sampleRate / 20
- bufferSize = periodSize * 1 frame * 4.
*/
periodSize = std::min(periodSize, (snd_pcm_uframes_t) sampleRate / 20);
- bufferSize = std::min(bufferSize, (snd_pcm_uframes_t) periodSize * 4);
+ bufferSize = std::min(bufferSize, (snd_pcm_uframes_t) sampleRate / 5);
/*
According to upstream we should set buffer size first - so make sure it is always at least
--
1.7.10
From 39f2487881b6fa2d52c58f7b2452420efc711cd5 Mon Sep 17 00:00:00 2001
From: Anssi Hannula <anssi@xbmc.org>
Date: Mon, 11 Mar 2013 00:12:54 +0200
Subject: [PATCH 2/2] AE: ALSA: Try to get a minimum of 4 periods per buffer
---
xbmc/cores/AudioEngine/Sinks/AESinkALSA.cpp | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/xbmc/cores/AudioEngine/Sinks/AESinkALSA.cpp b/xbmc/cores/AudioEngine/Sinks/AESinkALSA.cpp
index b905ada..94f6b80 100644
--- a/xbmc/cores/AudioEngine/Sinks/AESinkALSA.cpp
+++ b/xbmc/cores/AudioEngine/Sinks/AESinkALSA.cpp
@@ -346,9 +346,9 @@ bool CAESinkALSA::InitializeHW(AEAudioFormat &format)
/*
According to upstream we should set buffer size first - so make sure it is always at least
- double of period size to not get underruns
+ 4x period size to not get underruns (some systems seem to have issues with only 2 periods)
*/
- periodSize = std::min(periodSize, bufferSize / 2);
+ periodSize = std::min(periodSize, bufferSize / 4);
CLog::Log(LOGDEBUG, "CAESinkALSA::InitializeHW - Request: periodSize %lu, bufferSize %lu", periodSize, bufferSize);
--
1.7.10