[Bug 788777] rtpjitterbuffer/h264parse timestamp issue (regression)

Sun Jul 8 22:40:35 UTC 2018

https://bugzilla.gnome.org/show_bug.cgi?id=788777

--- Comment #15 from Pedro Corte-Real <pedro at pedrocr.net> ---
Thanks to Sebastian I've been able to enable interpolation in the rust code.
Here's the result:

flags: DISCONT | HEADER | DELTA_UNIT pts 00:00:00.261462431 dts
00:00:00.263152518
flags: (empty) pts 00:00:00.274878421 dts 00:00:00.274878421
flags: DELTA_UNIT pts 00:00:00.301462431 dts 00:00:00.304715236
flags: DELTA_UNIT pts 00:00:00.341462431 dts 00:00:00.343545874
flags: DELTA_UNIT pts 00:00:00.381462431 dts 00:00:00.383407293
flags: DELTA_UNIT pts 00:00:00.421462431 dts 00:00:00.423277810
flags: DELTA_UNIT pts 00:00:00.461462431 dts 00:00:00.463337810
flags: DELTA_UNIT pts 00:00:00.501462431 dts 00:00:00.503497098
flags: DELTA_UNIT pts 00:00:00.541462431 dts 00:00:00.547031050
flags: DELTA_UNIT pts 00:00:00.581462431 dts 00:00:00.583345253
flags: DELTA_UNIT pts 00:00:00.621462431 dts 00:00:00.623342326
flags: DELTA_UNIT pts 00:00:00.661462431 dts 00:00:00.663315179
flags: DELTA_UNIT pts 00:00:00.701462431 dts 00:00:00.703462505
flags: DELTA_UNIT pts 00:00:00.741462431 dts 00:00:00.743970603
flags: DELTA_UNIT pts 00:00:00.781462431 dts 00:00:00.783335348
flags: DELTA_UNIT pts 00:00:00.821462431 dts 00:00:00.823293648
flags: DELTA_UNIT pts 00:00:00.861462431 dts 00:00:00.863326481
flags: DELTA_UNIT pts 00:00:00.901462431 dts 00:00:00.903385915
flags: DELTA_UNIT pts 00:00:00.941462431 dts 00:00:00.943352480
flags: DELTA_UNIT pts 00:00:00.981462431 dts 00:00:00.983493392
flags: DELTA_UNIT pts 00:00:01.021462431 dts 00:00:01.023313135
flags: DELTA_UNIT pts 00:00:01.061462431 dts 00:00:01.063276491
flags: DELTA_UNIT pts 00:00:01.101462431 dts 00:00:01.103391895
flags: DELTA_UNIT pts 00:00:01.141462431 dts 00:00:01.143395879
flags: DELTA_UNIT pts 00:00:01.181462431 dts 00:00:01.183290100
flags: DELTA_UNIT pts 00:00:01.221462431 dts 00:00:01.223348690
flags: DELTA_UNIT pts 00:00:01.261462431 dts 00:00:01.263373463
flags: DELTA_UNIT pts 00:00:01.301462431 dts 00:00:01.304241082
flags: DELTA_UNIT pts 00:00:01.341462431 dts 00:00:01.343400175
flags: DELTA_UNIT pts 00:00:01.381462431 dts 00:00:01.383383311
flags: DELTA_UNIT pts 00:00:01.421462431 dts 00:00:01.423801744
flags: DELTA_UNIT pts 00:00:01.461462431 dts 00:00:01.463330093
flags: DELTA_UNIT pts 00:00:01.501462431 dts 00:00:01.503430315
flags: DELTA_UNIT pts 00:00:01.541462431 dts 00:00:01.543366482
flags: DELTA_UNIT pts 00:00:01.581462431 dts 00:00:01.584078245
flags: DELTA_UNIT pts 00:00:01.621462431 dts 00:00:01.623450738
flags: DELTA_UNIT pts 00:00:01.661462431 dts 00:00:01.663463921
flags: DELTA_UNIT pts 00:00:01.701462431 dts 00:00:01.703523269
flags: DELTA_UNIT pts 00:00:01.741462431 dts 00:00:01.743462150
flags: DELTA_UNIT pts 00:00:01.781462431 dts 00:00:01.783394769
flags: DELTA_UNIT pts 00:00:01.821462431 dts 00:00:01.823449308
flags: DELTA_UNIT pts 00:00:01.861462431 dts 00:00:01.863591417
flags: DELTA_UNIT pts 00:00:01.901462431 dts 00:00:01.903516378
flags: DELTA_UNIT pts 00:00:01.941462431 dts 00:00:01.943498889
flags: DELTA_UNIT pts 00:00:01.981462431 dts 00:00:01.983434396
flags: DELTA_UNIT pts 00:00:02.021462431 dts 00:00:02.023455491
flags: DELTA_UNIT pts 00:00:02.061462431 dts 00:00:02.063458245
flags: DELTA_UNIT pts 00:00:02.101462431 dts 00:00:02.103519384
flags: DELTA_UNIT pts 00:00:02.141462431 dts 00:00:02.143711913
flags: DELTA_UNIT pts 00:00:02.181462431 dts 00:00:02.183479301
flags: DELTA_UNIT pts 00:00:02.221462431 dts 00:00:02.224441922
flags: HEADER | DELTA_UNIT pts 00:00:02.261462431 dts 00:00:02.261688725
flags: (empty) pts 00:00:02.281857150 dts 00:00:02.281857150
flags: DELTA_UNIT pts 00:00:02.301463400 dts 00:00:02.305059963
flags: DELTA_UNIT pts 00:00:02.341464362 dts 00:00:02.343595702
flags: DELTA_UNIT pts 00:00:02.381465316 dts 00:00:02.383605776
flags: DELTA_UNIT pts 00:00:02.421466262 dts 00:00:02.424238691
flags: DELTA_UNIT pts 00:00:02.461467201 dts 00:00:02.463484227
flags: DELTA_UNIT pts 00:00:02.501468132 dts 00:00:02.503617245
flags: DELTA_UNIT pts 00:00:02.541469056 dts 00:00:02.543589840
flags: DELTA_UNIT pts 00:00:02.581469972 dts 00:00:02.583406674
flags: DELTA_UNIT pts 00:00:02.621470881 dts 00:00:02.623393752
flags: DELTA_UNIT pts 00:00:02.661471783 dts 00:00:02.663436755
flags: DELTA_UNIT pts 00:00:02.701472678 dts 00:00:02.703473183
flags: DELTA_UNIT pts 00:00:02.741473565 dts 00:00:02.743609305
flags: DELTA_UNIT pts 00:00:02.781474445 dts 00:00:02.783423319
flags: DELTA_UNIT pts 00:00:02.821475318 dts 00:00:02.823385178
flags: DELTA_UNIT pts 00:00:02.861476184 dts 00:00:02.863378073
flags: DELTA_UNIT pts 00:00:02.901477043 dts 00:00:02.903474673
flags: DELTA_UNIT pts 00:00:02.941477896 dts 00:00:02.943363251
flags: DELTA_UNIT pts 00:00:02.981478742 dts 00:00:02.983381692
flags: DELTA_UNIT pts 00:00:03.021479581 dts 00:00:03.023401156
flags: DELTA_UNIT pts 00:00:03.061480413 dts 00:00:03.063378192
flags: DELTA_UNIT pts 00:00:03.101481239 dts 00:00:03.103433214
flags: DELTA_UNIT pts 00:00:03.141482058 dts 00:00:03.143495895
flags: DELTA_UNIT pts 00:00:03.181482870 dts 00:00:03.183510019
flags: DELTA_UNIT pts 00:00:03.221483676 dts 00:00:03.223407398
flags: DELTA_UNIT pts 00:00:03.261484475 dts 00:00:03.263987352
flags: DELTA_UNIT pts 00:00:03.301485268 dts 00:00:03.304303148
flags: DELTA_UNIT pts 00:00:03.341486055 dts 00:00:03.343456637
flags: DELTA_UNIT pts 00:00:03.381486835 dts 00:00:03.383475190
flags: DELTA_UNIT pts 00:00:03.421487609 dts 00:00:03.423318451
flags: DELTA_UNIT pts 00:00:03.461488377 dts 00:00:03.463354330
flags: DELTA_UNIT pts 00:00:03.501489139 dts 00:00:03.503489793
flags: DELTA_UNIT pts 00:00:03.541489895 dts 00:00:03.543482092
flags: DELTA_UNIT pts 00:00:03.581490645 dts 00:00:03.583399527
flags: DELTA_UNIT pts 00:00:03.621491389 dts 00:00:03.624278414
flags: DELTA_UNIT pts 00:00:03.661492127 dts 00:00:03.663512520
flags: DELTA_UNIT pts 00:00:03.701492859 dts 00:00:03.703616479
flags: DELTA_UNIT pts 00:00:03.741493585 dts 00:00:03.743561367
flags: DELTA_UNIT pts 00:00:03.781494305 dts 00:00:03.783531420
flags: DELTA_UNIT pts 00:00:03.821495019 dts 00:00:03.823463372
flags: DELTA_UNIT pts 00:00:03.861495728 dts 00:00:03.863532045
flags: DELTA_UNIT pts 00:00:03.901496431 dts 00:00:03.903624667
flags: DELTA_UNIT pts 00:00:03.941497128 dts 00:00:03.943561047
flags: DELTA_UNIT pts 00:00:03.981497820 dts 00:00:03.983542823
flags: DELTA_UNIT pts 00:00:04.021498506 dts 00:00:04.023509947
flags: DELTA_UNIT pts 00:00:04.061499187 dts 00:00:04.063684982
flags: DELTA_UNIT pts 00:00:04.101499862 dts 00:00:04.104242408
flags: DELTA_UNIT pts 00:00:04.141500532 dts 00:00:04.143758055
flags: DELTA_UNIT pts 00:00:04.181501197 dts 00:00:04.183498000
flags: DELTA_UNIT pts 00:00:04.221501856 dts 00:00:04.224864948
flags: HEADER | DELTA_UNIT pts 00:00:04.261502510 dts 00:00:04.261748079
flags: (empty) pts 00:00:04.275363628 dts 00:00:04.275363628
(...)

Seems like interpolation just sets pts=dts. The end result is a fully playable
file with apparently no issues.

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