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File mpv_PR7824.patch of Package mpv (Revision d8be25282790de1e3029f619b9b89694)

Currently displaying revision d8be25282790de1e3029f619b9b89694 , Show latest

From ab42b3d773da6d2d6304d6d7a3809fa517efb7bc Mon Sep 17 00:00:00 2001
From: Nicolas F <ovdev@fratti.ch>
Date: Wed, 10 Jun 2020 17:45:43 +0200
Subject: [PATCH] ao/jack: set device_buffer to JACK buffer size

This change sets the device_buffer member of the ao struct for
the JACK ao to whatever value we read during init.

While JACK allows changing the audio buffer size on-the-fly
(you can do this for example through DBus), having it somehow
reconfigure the entire audio buffer logic of mpv that depends
on device_buffer in some way when that happens only leads to
audio dropout and weird code. device_buffer's role is mostly for
prebuffer from what I understand, which means that simply setting
it to its current value in the init function is fine.
---
 audio/out/ao_jack.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/audio/out/ao_jack.c b/audio/out/ao_jack.c
index 767f437895..aef5d86067 100644
--- a/audio/out/ao_jack.c
+++ b/audio/out/ao_jack.c
@@ -246,6 +246,8 @@ static int init(struct ao *ao)
     jack_set_process_callback(p->client, process, ao);
 
     ao->samplerate = jack_get_sample_rate(p->client);
+    // The actual device buffer can change, but this is enough for pre-buffer
+    ao->device_buffer = jack_get_buffer_size(p->client);
 
     jack_set_buffer_size_callback(p->client, buffer_size_cb, ao);
     jack_set_graph_order_callback(p->client, graph_order_cb, ao);

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File mpv_PR7824.patch of Package mpv (Revision d8be25282790de1e3029f619b9b89694)

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