On 21 October 2017 at 17:47, Moritz Barsnick <[email protected]> wrote:
> On Sat, Oct 21, 2017 at 16:15:04 +0200, Szucsik György wrote: > > Hello, > > > > I understand that row-mt has been implemented into ffmpeg with this > patch: > > https://patchwork.ffmpeg.org/patch/2745/ > > > > However, I build ffmpeg and it doesn't show up in the options, not even > in > > -h full. If I'm not mistaken (by looking at libvpxenc.c), this has to be > > enabled during compile time. How can this be done without modifying the > > source code? Did I just stumble upon a bug? > > This feature depends on an implementation in libvpx, which was > introduced there in February, but hasn't been included in a release of > theirs yet: > > https://github.com/webmproject/libvpx/commit/ > 5881601488ef4278d7ca2b06e2ad4d44b3063620 > > The named ffmpeg patch checks for availability/advertisement of this > feature when building. > This is rather odd, since vpxenc has had this feature already for some time. Looks like there is a miscommunication here, unfortunately. > > > Also, there seems to be a mix of row-mt and row_mt in the source which > is a > > bit confusing. Please advise. > What do you mean? Feel free to quote a line (refer to a proper version > of the file though). > I was referring to this line (please note my C skills are very basic) https://github.com/FFmpeg/FFmpeg/blob/master/libavcodec/libvpxenc.c#L1159 The option that needs to be passed is row-mt but the variable that's responsible for controlling this behavior is called row_mt. A bit of inconsistency but if it works, it works. _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
