HEVC in hls: Segments are not started at video key frames

[wellttllew]

        location /publish/ {
            ts;
            ts_hls path=/var/media/hls segment=5:40 segments=3 ;

            client_max_body_size 0;
        }

• 25fps
• GOP length == 190 frames
• most of the ts files do not start at video key frame with length of 5s

[wellttllew]

• My Try to Walk Around: https://github.com/wellttllew/nginx-ts-module/commit/55df781f16711d1bbb7a6907648850cc365feda6