Why exporting at twice the frame rate need not halve the programme
Duplicating frames to maintain duration differs from playing the original frame sequence twice as fast. Read the processing method alongside the output rate.
The journal
The viewing journal — page 53
Practical reading about streaming, devices and the decisions behind a better prepared setup.
Why relabelling an audio sample rate can change speed and pitch
Changing the rate assigned to unchanged PCM samples differs from resampling. The same sample count can then occupy a different duration.
A Play button changes to Pause, but the video never starts
A browser player should wait for the play request to succeed before showing a playing state. A rejected request can identify a permission or format problem.
A browser can show the first frame before it can continue playing
The media readyState value distinguishes metadata, a current frame and future playback data. A visible still frame alone does not establish continuous readiness.
Why a playing browser video can report NETWORK_IDLE
NETWORK_IDLE says the media element is not currently fetching data. It does not say the network connection has failed.
Video dimensions changed, although the browser window did not
A video element has a resize event for changes to its intrinsic video dimensions. This differs from resizing the page or CSS player box.