> On Dec 7, 2017, at 16:53, Hendrik Leppkes <h.lepp...@gmail.com> wrote: > > On Thu, Dec 7, 2017 at 9:46 PM, Michael Niedermayer > <mich...@niedermayer.cc <mailto:mich...@niedermayer.cc>> wrote: >> On Thu, Dec 07, 2017 at 03:37:38AM -0600, Rodger Combs wrote: >>> --- >>> libavformat/avformat.h | 1 + >>> libavformat/internal.h | 5 +++++ >>> libavformat/options_table.h | 1 + >>> libavformat/utils.c | 12 ++++++++++++ >>> 4 files changed, 19 insertions(+) >>> >>> diff --git a/libavformat/avformat.h b/libavformat/avformat.h >>> index 4f2798a871..e2d88280a8 100644 >>> --- a/libavformat/avformat.h >>> +++ b/libavformat/avformat.h >>> @@ -1450,6 +1450,7 @@ typedef struct AVFormatContext { >>> #define AVFMT_FLAG_FAST_SEEK 0x80000 ///< Enable fast, but inaccurate >>> seeks for some formats >>> #define AVFMT_FLAG_SHORTEST 0x100000 ///< Stop muxing when the shortest >>> stream stops. >>> #define AVFMT_FLAG_AUTO_BSF 0x200000 ///< Add bitstream filters as >>> requested by the muxer >>> +#define AVFMT_FLAG_DISCARD_CORRUPT_TS 0x400000 ///< Discard timestamps of >>> frames marked corrupt (replacing with wallclock offset from last >>> non-corrupt frame) >> >> Using wallclock to fill in timestamps feels wrong >> if you discard a timestamp it should be set to AV_NOPTS_VALUE or >> recomputed based on information from the specification where this is >> possible, fps when constant or other hard information. >> > > I agree, discard should be just that, set it to invalid. Wallclock is > meaningless on anything but a live stream.
My intended use-case is live streams, where wallclock can be more useful than deriving from fps if e.g. entire packets are dropped. I could have one flag to unset timestamps on corrupt packets, and another to fill unset DTS from wallclock? > > - Hendrik > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org <mailto:ffmpeg-devel@ffmpeg.org> > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel > <http://ffmpeg.org/mailman/listinfo/ffmpeg-devel> _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
