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(libmpv) mpv_set_property_string returns an error but still works when used before mpv_initialize #3988

gunnarmarten opened this Issue Jan 4, 2017 · 2 comments


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gunnarmarten commented Jan 4, 2017

mpv version and platform

mpv HEAD-43386a7
ffmpeg 3.2.2
OSX 10.11.6

Reproduction steps

I'm using libmpv with opengl-cb in my opengl application. I recently updated to the newest API changes and changed the mpv_set_option_string to mpv_set_property_string for all my options. Some of them are set before the mpv_initialize. Like enabling the config option and set a config_dir. I had a check for the return code and after updating the code it always returned an error although the config_dir is actually set.

To reproduce:
Use the sdl example from


int rc = mpv_set_property_string(mpv, "config", "yes");
printf("rc %s\n", mpv_error_string(rc));

just before the mpv_initialize call.

Build and run.

Expected behavior

Should set the property and return success

Actual behavior

returns error code -11 which is "error accessing property"

Log file


Sample files

any file

@wm4 wm4 closed this in f34faca Jan 4, 2017


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wm4 commented Jan 4, 2017

The return value was incorrect, should work now.


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gunnarmarten commented Jan 4, 2017

cool yes works now. Thanks for the quick fix.

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