Hello everyone,
I've discovered a serious performance issue in VEGAS Pro 23 when working with high-quality H.265 10-bit 4:2:2 media in 32-bit floating point (full range) Mode.
The core issue is that playback becomes jerky and stuttery when the project's Pixel Format is set to 32-bit floating point (full range) in Vegas Pro 23. This issue does not occur in VEGAS Pro 22 with the same media and project settings.
Media Used: H.265 10-bit 4:2:0 and H.265 10-bit 4:2:2 footage.
Project Setting: Set Pixel Format to 32-bit floating point (full range).
Play back of H.265 10-bit 4:2:2 media on the timeline extremely jerky and stuttery, making editing or preview impossible. Even without any effects.
Vegas Pro 23 only runs fine when the Pixel Format is set to 8-bit (full range). But the same project runs fine when its opened in Vegas Pro 22 in both (8-bit (full range & 32-bit float).
During normal playback of various codecs, VEGAS Pro utilizes the dedicated Hardware Decoder NVIDIA RTX 3060 for GPU decoding. However, the moment the playhead hits the H.265 10-bit 4:2:2 footage (in 32-bit float mode), Vegas Pro 22 and 23 switches the decoding task to the Intel® UHD Graphics 770 iGPU of my i9-14900K, leading to immediate performance degradation only in Vegas Pro 23. This behavior did not occur in VEGAS Pro 22.
Has anyone else noticed this specific decoding behavior or performance drop with H.265 10-bit 4:2:2 in 32-bit float mode in VEGAS Pro 23.?