hlscmafsink: regression in 0.13.0 release: sink produces unplayable videos (was fine in 0.12.7)

Describe your issue

I had no problem using branch 0.12 in my project:

gst-plugin-hlssink3 = "0.12"

Switching to 0.13 produces unreadable videos:

gst-plugin-hlssink3 = "0.13"

Steps to reproduce the bug

$ gst-launch-1.0 -e videotestsrc num-buffers=150 is-live=true ! 'video/x-raw,format=I420,width=640,height=480,framerate=15/1' ! timeoverlay ! x264enc bframes=0 bitrate=2048 ! 'video/x-h264,profile=main' ! hlscmafsink
$ ffplay playlist.m3u8

No video output when using 0.13 version, the error from ffplay is:

Could not find codec parameters for stream 0 (Video: h264 (avc1 / 0x31637661), none(tv, smpte170m), 640x480): unspecified pixel format
Consider increasing the value for the 'analyzeduration' (0) and 'probesize' (5000000) options

How reproducible is the bug?

Reproduced on macOS (gstreamer version 1.24.5) and Debian (default bookworm 1.22)

changed title from Regression in hlscmafsink 0.13.0 release: sink produces unreadable videos (was fine in 0.12.7) to hlscmafsink: regression in 0.13.0 release: sink produces unreadable videos (was fine in 0.12.7)

changed the description

added 0.13 Blocker Regression labels

changed milestone to %0.13.1

changed title from hlscmafsink: regression in 0.13.0 release: sink produces unreadable videos (was fine in 0.12.7) to hlscmafsink: regression in 0.13.0 release: sink produces unplayable videos (was fine in 0.12.7)

Duplicate of gstreamer-rs!1490 (merged). Will be fixed in 0.13.1

closed