Remote video display not working on iOS 9

[superkaii]

I have the following issue using openwebrtc in a hybrid app on iOS 9:

• Using iPad mini 4, iOS 9.3.4, XCode 7.3.1
• I build the SimpleDemoSwift example and changed the demo-URL to https://demo.openwebrtc.org/ .
• Then I build openwebrtc from the latest master because the version from the pod file did not display any video at all.
• I use Chrome on OS X 10.11 as second client to video-chat with.

The problem is, on the iOS device I can see the local video of myself but the remote video display is not working. After some seconds I get 1 frame of video, sometimes another frame after some additional seconds and the video just stays frozen. In my Chrome session, I can see both video streams (local and remote) just fine. So the iPad is sending video ok but simply does not display the video received from Chrome.

When I attach my desktop Safari webconsole to the iOS App, I see a lot of the following warnings:

[Warning] The page at https://demo.openwebrtc.org/ was allowed to display insecure content from http://127.0.0.1:35254/__I24OSsVsF3w/5VHV+EV38zTLyuSDOqW72Udv-5.

Concurrently, my XCode console says:

0:04:19.742532000  [332m  721 [00m 0x17ccd8c0  [31;01mERROR   [00m  [00m               vtdec vtdec.c:736:gst_vtdec_session_output_callback:<decoder_vtdec_5> [00m Error decoding frame -12909
0:04:19.776569000  [332m  721 [00m 0x17ccd8c0  [31;01mERROR   [00m  [00m               vtdec vtdec.c:736:gst_vtdec_session_output_callback:<decoder_vtdec_5> [00m Error decoding frame -12909
0:04:19.814311000  [332m  721 [00m 0x17ccd8c0  [31;01mERROR   [00m  [00m               vtdec vtdec.c:736:gst_vtdec_session_output_callback:<decoder_vtdec_5> [00m Error decoding frame -12909
0:04:19.837806000  [332m  721 [00m 0x17ccd8c0  [31;01mERROR   [00m  [00m               vtdec vtdec.c:736:gst_vtdec_session_output_callback:<decoder_vtdec_5> [00m Error decoding frame -12909

The same error also occurs when I try to use Bowser (build from latest source in XCode because the AppStore version just crashes).

I assume the error is correlated with recent changes in the iOS security requirements which block mixed secure/insecure content in webviews. A possible solution my be swiching the local owr_image_server to HTTPS?

Does someone know a fix to this issue? All I need is a working webview or browser with WebRTC on iOS and unfortunately a can’t wait for Apple to finally get this done in maybe another year … so any help is really appreciated!

[stefanalund]

Did you try the iOS NativeDemo app as well?

[superkaii]

Yes I just tried the iOS NativeDemo. It shows a similar issue: I see local and remote video in Chrome and local video on the iPad. The remote video on the iPad has an incredibly low frame rate, approx. 1 frame every 5 seconds.

XCode console is full of these errors:

0:00:33.303216000 [335m  772[00m    0x1553348d0 [31;01mERROR  [00m [00m               vtdec vtdec.c:736:gst_vtdec_session_output_callback:<decoder_vtdec_7>[00m Error decoding frame -12909
0:00:33.334173000 [335m  772[00m    0x1553348d0 [31;01mERROR  [00m [00m               vtdec vtdec.c:736:gst_vtdec_session_output_callback:<decoder_vtdec_7>[00m Error decoding frame -12909
0:00:33.376665000 [335m  772[00m    0x1553348d0 [31;01mERROR  [00m [00m               vtdec vtdec.c:736:gst_vtdec_session_output_callback:<decoder_vtdec_7>[00m Error decoding frame -12909
0:00:33.408452000 [335m  772[00m    0x1553348d0 [31;01mERROR  [00m [00m               vtdec vtdec.c:736:gst_vtdec_session_output_callback:<decoder_vtdec_7>[00m Error decoding frame -12909
0:00:33.436574000 [335m  772[00m    0x155bee640 [31;01mERROR  [00m [00m               vtdec vtdec.c:736:gst_vtdec_session_output_callback:<decoder_vtdec_7>[00m Error decoding frame -12909

However, the situation is the same wether I use the openwebrtc framework from the pod file or the one compiled from source. In the SimpleDemo, the pod file version did not work at all.

[aspcartman]

Having same issue. A whole bunch of and no remote video

[Warning] The page at https://demo.openwebrtc.org/ was allowed to display insecure content from http://127.0.0.1:35254/__I24OSsVsF3w/5VHV+EV38zTLyuSDOqW72Udv-5.
`` 

[superkaii]

Ideas anyone?

[LucasReyre]

Did you find a solution ? I have the same issue here with an iPhone 6 iOS 10.