[FFmpeg-devel] [PATCH v5 2/3] aadec: add chapters and seeking
Michael Niedermayer
michael at niedermayer.cc
Mon Jul 9 04:13:03 EEST 2018
On Sun, Jul 08, 2018 at 11:46:26AM +0200, Karsten Otto wrote:
> read_packet reads content in chunks. Thus seek must be clamped to valid
> chunk positions in the file, which in turn are relative to chapter start
> positions.
>
> So in read_header, scan for chapter headers once by skipping through the
> content. Set stream time_base based on bitrate in bytes/s, for easy
> timestamp to position conversion.
>
> Then in read_seek, find the chapter containing the seek position, calculate
> the nearest chunk position, and reinit the read_seek state accordingly.
> ---
> libavformat/aadec.c | 85 ++++++++++++++++++++++++++++++++++++++++++++++++++---
> 1 file changed, 81 insertions(+), 4 deletions(-)
will apply
thanks
[...]
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