Zoltan Kozma

merge has exponential complexity crashing the runtime

1

**Describe the bug** Basically take 4 DataFrames each with 200 rows and 3 columns and start merging them in a loop and by the 3rd iteration the memory footprint balloons...

Remove SMPTE-related code

4

SMPTE is dropped from v1.0 of 3370 so we do not need to deal with for now. No need for unspecced legacy so we should remove the code that involved...

[EBUTTD] Minimize the numer of styles created by the EBU-TT-D encoder

2

This may require an __eq__ and __neq__ implementation in the style classes as well as a lookup logic in the generated styles.

Improve segmentation empty element prune code

2

This code is too spaghetti at the moment. The general problem is the following. You assume that there is a 1:1 correspondence with source styles and segmented styles, which is...

[EBUTTD] Do segmentation in filesystem mode.

3

Especially bad is the tail usecase

[COMPONENTS] Filesystem import tail loop vs. twisted reactor loop

3

If this is a requirement then a concurrent solution needs to be found. Either wire the tail functionality into twisted to make the reactor schedule the tailing loop or create...

[EBUTTD] metadata and copyright

5

dropping all the metadata is probably the best thing to do. Some folk might get sniffy about dropping the ttm:copyright though! We possibly should keep that in if we can...

Test basic scripts that they work

3

consumer, encoders, producer

Scenario: Live broadcast off-site may even be different time-zone, access to station clock may be difficult(not sure of the usual capabilities) assuming subtitling happens on site. Could possibly be a...

Using the tokenizer the snake should be achieveable, the alternating bit needs to apply style elements when the line ends