Chetwood wrote:Romansh wrote:And probably anything else with decent PGS in MKV support.
Define decent
Something like the WD TV (or the PopBox). Aside from the (arguably minor) issues you noted, it's able to display subtitles in
all the zlib-compressed versions I uploaded. Compared to the ASUS player, which worked with
none of the samples I provided up to type 5 (no reply from nfusion on types 6-8 yet).
Chetwood wrote:I've tried 3 to 8 as well on the LIVE SMP and as already established only all subs are present as a stream but only the zipped ones are displayed but that only to varying degrees. #3 e.g. shows item 1 but lacks several in between. #6/#7 show all from item 2 on and #8 skips "Otherwise here is your room key" again.
Not really what's being tested; given the source is in the middle of a seamless branching BD source (see below), I wouldn't worry too much about about the first and last 2 subtitles - most likely the issue would not exist if I used the entire source.
Chetwood wrote:So I think it's not only a problem of the player but also the authoring. Since it's only a few items I could make a table to show what items are displayed if that helps to get to the bottom of this.
Not terribly useful for what I'm trying to do here (find a way to mux PGS in MKV in a way that works on that ASUS player), and I bet the WD TV Live HD's behavior would be very similar, if not identical, to that of the Live Streaming. But feel free to do so.
Chetwood wrote:What tools did you use to produce each sample?
The source file is always the same; one M2TS file out of a seamless branching BD, decrypted with AnyDVD a couple years ago (no modifications were made to the file other than removing AACS, the source BD doesn't have BD+, FWIW). mkvmerge used is always version 5.3.0.
Type 1: created with HandBrake, then remuxed with mkvmerge GUI to set the audio/subtitle language (as well as to compress the subtitles in the case of the zlib version)
Type 2: same as type 1, but I used a patched version of HandBrake that does NOT merge subtitles packets (on Blu-ray, each subtitle is spread across multiple packets, whereas in MKV, packets should be merged so that 1 subtitles == 1 packet)
Type 3: M2TS remuxed directly with mkvmerge GUI; video & audio re-encoded with HandBrake; then merged the video/audio from HandBrake's re-encode with the subtitles from the original mkvmerge remux
Type 4: M2TS remuxed with mkvmerge GUI; subtiles extracted with mkvextract; video & audio re-encoded with HandBrake; then merged the video/audio from HandBrake's re-encode with the external subtitle file I got from mkvextract
Type 5: M2TS remuxed with mkvmerge GUI; subtiles extracted with mkvextract; subtitles re-encoded with BDSup2Sub; video & audio re-encoded with HandBrake; then merged the video/audio from HandBrake's re-encode with the external subtitle file I got from BDSup2Sub
Type 6: created with a patched version of HandBrake (discarding subtitles that are supposed to clear previous subtitles, and setting durations at the MKV container level instead); set the audio/subtitle language with mkvmerge GUI's header editor (without remuxing); zlib-compressed version was remuxed with mkvmerge
Type 7: created with a patched version of HandBrake (discarding subtitles that are supposed to clear previous subtitles, but without setting durations at the MKV container level); set the audio/subtitle language with mkvmerge GUI's header editor (without remuxing); zlib-compressed version was remuxed with mkvmerge
Type 8: created with a patched version of HandBrake (not discarding any subtitles, but setting durations at the MKV container level too); set the audio/subtitle language with mkvmerge GUI's header editor (without remuxing); zlib-compressed version was remuxed with mkvmerge
It's worth noting that types 2, 6 and 7 aren't 100% valid examples of PGS in MKV.
