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