On 5/8/19 5:38 PM, Julian Rüger wrote:
Hi Nikolay,
in order to translate some of the (more or less ;) recently added mferror strings, I'd like to ask you for a bit of context.
Thank you for your interest.
#: mferror.mc:193 msgid "Unsupported rate.\n"
Is this framerate, bitrate or rate of playback, i.e. 1.5x normal speed?
It's about playback rate, yes.
#: mferror.mc:207 msgid "Reversing is not supported.\n"
Going back to a previous point in the video/stream to resume normal playback from there, playing back in reverse or maybe even manipulating/editing the data, so the last frame will be the first and vice-versa?
It's about playing back in reverse, and is directly related to playback rate, which is negative in reversed case.
#: mferror.mc:221 msgid "Rate change was preempted.\n"
Rate change was disabled? Rate was already changed by some other process/thread before (the change requested by user?) could be processed?
It means rate change was blocked, and as a result rate won't change.
#: mferror.mc:242 msgid "Clock is not available.\n"
? Time (speed/tick rate) provider? Like a metronome?
That means clock object was not specified/set.
#: mferror.mc:284 msgid "Unsupported state transition.\n"
Playback state as in "paused", "playing", etc.?
Correct.
#: mferror.mc:319 msgid "Bad startup version.\n"
I could just translate this literally, but that feels like saying nothing really.
That's about MF platform being initialized using unknown version number, see MFStartup().
#: mferror.mc:326 msgid "Unsupported caption.\n"
Caption as in subtitle?
I don't think so, SDK message says it's "URL caption", I don't know what that is.
#: mferror.mc:347 msgid "Property type is not allowed.\n"
I guess this is not a property as in a setting the user can change? More like an attribute?
Yes, it's more like attribute, or key/value pair, where value type is wrong. I don't have specific examples of method calls returning this.
There may be more later, but that's all for now. Sorry for bothering you ;)
Best, Julian