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authorwm4 <wm4@nowhere>2019-09-20 16:43:17 +0200
committerwm4 <wm4@nowhere>2019-09-20 16:47:16 +0200
commit4fa8f33b92a44fe928817a81653f135402192cac (patch)
treefb4cd74997b4b6fb79116d9798574a32f0071037 /libmpv
parentf00af71d12a7d155d4d80f0879931c3f54c7ab9b (diff)
downloadmpv-4fa8f33b92a44fe928817a81653f135402192cac.tar.bz2
mpv-4fa8f33b92a44fe928817a81653f135402192cac.tar.xz
client API, vo_libmpv: document random deadlock problems
I guess trying to make DR work on libmpv was a mistake. I never observed such a deadlock, but it's looks like it's theoretically possible.
Diffstat (limited to 'libmpv')
-rw-r--r--libmpv/render.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/libmpv/render.h b/libmpv/render.h
index 086b42d1b5..6d594e0c06 100644
--- a/libmpv/render.h
+++ b/libmpv/render.h
@@ -85,6 +85,10 @@ extern "C" {
* requirement always existed. Not honoring it will lead to UB (deadlocks,
* use of invalid pthread_t handles). This requirement might be removed in
* the future, but will require some considerable work internal to libmpv.
+ * You can avoid this issue by setting "vd-lavc-dr" to "no".
+ * - MPV_RENDER_PARAM_ADVANCED_CONTROL has some other libmpv-internal problems,
+ * which may result in random deadlocks (see top of vo_libmpv.c).
+ * You can probably avoid this issue by setting "vd-lavc-dr" to "no".
*
* libmpv functions which are safe to call from a render thread are:
* - functions marked with "Safe to be called from mpv render API threads."