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kclyu / rpi-webrtc-streamer

This repo's objective is providing something like Web Cam server on the most popular Raspberry PI hardware. By integrating [WebRTC](https://webrtc.org/native-code/) and Raspberry PI, we can stream the Raspberry camera feed to browser or native client which talks WebRTC.
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Process abort running at FullHD resolution #37

Closed antimof closed 6 years ago

antimof commented 6 years ago

Hello. Every time when camera reaches FullHD resolution (1920x1080) with bitrate above 8 mbit/s i get segfault from vc.ril.video_encode thread (gdb). I turned on debug messages in mmal_wrapper.cc and get the following output: (mmal_wrapper.cc:148): frame_buf_pos : 131120, buffer length: 5843

Fatal error in mmal_wrapper.cc, line 151 last system error: 0 Check failed: (int)(frame_bufpos + buffer->length) < size_

Aborted

What can be a reason for such bahavior? Thank you in advance....

kclyu commented 6 years ago

This message occurs when the size of the actual frame is larger than the buffer size already defined. The size of the buffer is larger than the expected frame size, but I'm a little unexpected.

The attached webrtc-streamer binary webrtc-streamer.gz is an executable that changes the buffer size by 1.5 times and prints out the frame size for each frame. Please run ./webrtc-streamer --verbose from the console and attach the log contents.

In addition, I would like to ask you to let me know the version of raspberry pi and camera.

Thanks, Lyu.

kclyu commented 6 years ago

The message below is a message from running the attached binary at 1920x1080 @ 30. ( raspberry pi 2b , camera version is 1.3 ) (mmal_wrapper.cc:152): frame_buf_pos : 0, buffer length: 14119 (mmal_wrapper.cc:152): frame_buf_pos : 0, buffer length: 20441 (mmal_wrapper.cc:152): frame_buf_pos : 0, buffer length: 13790 (mmal_wrapper.cc:152): frame_buf_pos : 0, buffer length: 13454 (mmal_wrapper.cc:152): frame_buf_pos : 0, buffer length: 13280 (mmal_wrapper.cc:152): frame_buf_pos : 0, buffer length: 13349 (mmal_wrapper.cc:152): frame_buf_pos : 0, buffer length: 12951 (mmal_wrapper.cc:152): frame_buf_pos : 65584, buffer length: 36044 (mmal_wrapper.cc:152): frame_buf_pos : 0, buffer length: 22954 (mmal_wrapper.cc:152): frame_buf_pos : 0, buffer length: 10877 (mmal_wrapper.cc:152): frame_buf_pos : 0, buffer length: 6459 (mmal_wrapper.cc:152): frame_buf_pos : 0, buffer length: 4142 (mmal_wrapper.cc:152): frame_buf_pos : 0, buffer length: 6219 (mmal_wrapper.cc:152): frame_buf_pos : 0, buffer length: 6117 (mmal_wrapper.cc:152): frame_buf_pos : 0, buffer length: 6466 (mmal_wrapper.cc:152): frame_buf_pos : 0, buffer length: 11478 (mmal_wrapper.cc:152): frame_buf_pos : 0, buffer length: 10986 (network.cc:838): Connect failed with 99 (mmal_wrapper.cc:152): frame_buf_pos : 0, buffer length: 10717 (mmal_wrapper.cc:152): frame_buf_pos : 0, buffer length: 10615 (mmal_wrapper.cc:152): frame_buf_pos : 0, buffer length: 10537 (mmal_wrapper.cc:152): frame_buf_pos : 0, buffer length: 10330 (mmal_wrapper.cc:152): frame_buf_pos : 0, buffer length: 10158

One thing I have forgotten is that you can only run one 1920x1080 resolution by modifying the following in media_config.conf.

resolution_4_3_enable=false
use_dynamic_video_resolution=false
use_dynamic_video_fps=true
fixed_video_resolution=1920x1080