[FFmpeg-devel] [PATCH] libavformat/mov.c: use calculated dts offset when seeking in streams
michael at niedermayer.cc
Mon Oct 30 02:03:31 EET 2017
On Sun, Oct 29, 2017 at 12:11:39PM +0100, Peter Große wrote:
> From: Jonas Licht <jonas.licht at fem.tu-ilmenau.de>
> Subtract the calculated dts offset from the requested timestamp before
> seeking. This fixes an error "Error while filtering: Operation not
> permitted" observed with a short file which contains only one key frame
> and starts with negative timestamps.
> Then, av_index_search_timestamp() returns a valid negative timestamp,
> but mov_seek_stream bails out with AVERROR_INVALIDDATA.
> Fixes ticket #6139.
> Signed-off-by: Jonas Licht <jonas.licht at fem.tu-ilmenau.de>
> Signed-off-by: Peter Große <pegro at friiks.de>
> Compared to the other seek results in this test, the values are not
> that far off.
> libavformat/mov.c | 6 ++++--
> tests/ref/seek/extra-mp4 | 16 ++++++++--------
> 2 files changed, 12 insertions(+), 10 deletions(-)
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
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