Image Sequences
Loading a Sequence
Open or drag a single image from a sequence, and QCView automatically detects the rest. Choose a frame rate, and for multi-layer EXR files, select which layer to load.
Performance note: Large multi-layer EXRs and high-resolution TIFF sequences (4K+) can exceed what CPU-bound decompression can deliver in real time, regardless of thread count. QCView offers transcoding to work around this — see below.
Transcoding
For smoother playback of heavy sequences, transcode them into a lighter format before reviewing. Choose a resolution and compression scheme.
Recommended compression: B44A decompresses significantly faster than DWAA/DWAB. It trades some quality for speed, but is well-suited for review playback.
Playback Cache
Image sequences are cached to RAM and uploaded to the GPU as you traverse the timeline. The cache progress bar shows how much read-ahead and read-behind is available at the current position.
Cache Settings
Adjust cache size and behavior in the Pipeline & Cache Settings panel. See the Settings page for details.
Disk Cache for Transcodes
Transcoded sequences are stored in a temporary disk cache. For best performance, set this to a fast NVMe drive rather than your system drive.
The playback cache is RAM-based and subject to the Memory Safety system. If system RAM is full, image playback will pause. See the Memory page for details.
You can switch EXR layers after loading — see the Inspector.
Broken and Missing Frames
QCView detects incomplete sequences and fills gaps with a transparent texture so you can review in-progress renders. Files under 15 KB are flagged as corrupt and replaced with a placeholder frame rather than attempting to decode them.
