Bogdan Lisman d69e8d0a95 avcodec/decode: reset PTS correction counters in ff_decode_flush_buffers ...

pts_correction_num_faulty_pts and pts_correction_num_faulty_dts were not
cleared by ff_decode_flush_buffers(), so they survived avcodec_flush_buffers().
After a seek, guess_correct_pts() therefore kept biasing its reordered-pts vs
dts choice on pre-seek history instead of starting fresh as it does after
ff_decode_preinit(), which already zeroes both counters. This could yield an
incorrect AVFrame.best_effort_timestamp on the frames following a seek.

Reset both counters on flush, next to the existing last_pts/last_dts reset, so
the decoder's timestamp-correction state is fully reinitialized.

Fixes: ticket #11645
Reported-by: keks51
Signed-off-by: Bogdan Lisman <bogdan@pydevsolutions.com>

2026-06-16 15:59:52 +00:00

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