#9257: -ss fast seek can use bad (damaged) i-frame as references
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Reporter: parbruek | Owner: (none)
Type: defect | Status: new
Priority: wish | Component:
| undetermined
Version: unspecified | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by mkver):
I guess that your video contains changing SPS/PPS without every keyframe
containing these in-band. This is not uncommon for BD; commonly only
pic_init_qp_minus26 is changed in which case the h264_redundant_pps-BSF
could be used to fix this (by modifying the stream to no longer use
changing PPS). Alternatively you could remux the BD (not the Matroska file
which you already have) with MKVToolNix: It prepends the currently active
SPS/PPS to every keyframe (if it detects changing parameter sets), so that
this does not happen.
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Ticket URL: <https://trac.ffmpeg.org/ticket/9257#comment:6>
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