Hello everyone. This problem still occur. Is there any way to debug this problem? I can add any useful information for fix\workaround.

Damn it... I've installed ffmpeg 2.3.4 as described here. Still instagram and most tracks from soundcloud players not working

JUst tried to install multiple packages regarding ffmpeg, libavc, x264 etc. Still no effect for mentioned web-resource. I can play only youtube and some other videos. At the same time, video in firefox can be played from any resource. Still need your help:(

anika200, read my post. For Opera Developer on linux you need to install additional plugin. For linux mint you should install pepperflash. You can read here how to do that on Linux mint.

PS: for other platforms you may need to install another packager, for instance, on gentoo you need to install chromium-plugins-bin package. I think you can easily google proper package for your platform.

Maybe this post will be of some help here ?.
You will need to restart Opera after enabling that option.

Ty for help, but this plugin is not available for linux.

Hello everyone!
I'm using Opera Developer under Linux Mint 17 x86_64. So likely this's pepperflash problem. Browser works really good on few years old notebook. Smooth scrolling, nice responsiveness. Pepperflash nonfree plugin for my distro works good on youtube.com, vk.com and some other resources. But I have no chance to watch videos in instagramm. I see preview image and playback button but when I push it nothing happens. Also, when I put mouse on playback button I see in the left bottom corner "javascript:;".
I've seen some ppl resolve similar problem(no video from instagram/vine) in chromium web-browser by disabling hardware acceleration in chrome://flags or smth like that. So, I've found hardware acceleration flag in opera preferences, also I've investigated additional flags/features in opera://flags, opera://plugins. Nothing helped, so I still need to copy+paste link to another browser to watch some videos.

Sorry for my bad English, I hope this information will help to improve opera. If you need some additional information please let me know, I'll post more details.

moved my question to this topic.

I have a similar problem on using Opera Developer under Linux Mint 17 x86_64. So likely this's pepperflash problem, I don't really know where to post this problem so I post it as comment and hope developers will see it.
So browser works really good on few years old notebook. Smooth scrolling, nice responsiveness. Pepperflash nonfree plugin for my distro works good on youtube.com, vk.com and some other resources. But I have no chance to watch videos in instagramm. I've seen some ppl resolve similar problem(no video from instagram/vine) in chromium web-browser by disabling hardware acceleration in chrome://flags or smth like that. So, I've found hardware acceleration flag in opera preferences, also I've investigated additional flags/features in opera://flags, opera://plugins. Nothing helped, so I still need to copy+paste link to another browser to watch some videos.

Sorry for my bad English, I hope this information will help to improve opera. If you need some additional information please let me know, I'll post more details.