Some Players Cannot Play MP4 Files Encoded by HW265Enc
Symptom
MP4 files encoded by HW265Enc cannot be played by the QuickTime player.
Key Process and Cause Analysis
The default encoding encapsulation format of HW265Enc is HEV1, which is not supported by the QuickTime player.
Conclusion and Solution
Use FFmpeg to re-encapsulate the bitstream into HVC1.
ffmpeg -i input.yuv -tag:v hvc1 -c:v libhw265 -wpp_threads 4 output.mp4
Parent topic: Troubleshooting