Re: [FFmpeg-devel] [PATCH 3/4] lavf/concat: switch to new BSF API.
L'octidi 8 prairial, an CCXXIV, Nicolas George a écrit : > It seems the memory management is not as negligible as I expected. The > result is a ~2.3% slow-down for ~90k frames from AVI, which is approximately > equal to the standard deviation on 10 runs. I suspect this is acceptable > compared to the overhead of more complex containers. No comments? I think this overhead is acceptable and this, if nobody objects I will push soon the series. Regards, -- Nicolas George signature.asc Description: Digital signature ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
Re: [FFmpeg-devel] [PATCH 3/4] lavf/concat: switch to new BSF API.
Le primidi 1er prairial, an CCXXIV, Michael Niedermayer a écrit : > can you do a quick time ffmpeg ... with -codec copy just to double > check ? theres no major effect It seems the memory management is not as negligible as I expected. The result is a ~2.3% slow-down for ~90k frames from AVI, which is approximately equal to the standard deviation on 10 runs. I suspect this is acceptable compared to the overhead of more complex containers. Regards, -- Nicolas George signature.asc Description: Digital signature ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
Re: [FFmpeg-devel] [PATCH 3/4] lavf/concat: switch to new BSF API.
On Thu, May 19, 2016 at 10:54:39PM +0200, Nicolas George wrote: > Le primidi 1er prairial, an CCXXIV, Michael Niedermayer a écrit : > > is the overhead from the null filter insiginicant ? > > I have not actually made a benchmark, but I believe it is. Look in > libavcodec/bsf.c: the overhead is limited to a few checks and a > av_packet_move_ref(). can you do a quick time ffmpeg ... with -codec copy just to double check ? theres no major effect [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Dictatorship: All citizens are under surveillance, all their steps and actions recorded, for the politicians to enforce control. Democracy: All politicians are under surveillance, all their steps and actions recorded, for the citizens to enforce control. signature.asc Description: Digital signature ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
Re: [FFmpeg-devel] [PATCH 3/4] lavf/concat: switch to new BSF API.
Le primidi 1er prairial, an CCXXIV, Michael Niedermayer a écrit : > is the overhead from the null filter insiginicant ? I have not actually made a benchmark, but I believe it is. Look in libavcodec/bsf.c: the overhead is limited to a few checks and a av_packet_move_ref(). Regards, -- Nicolas George signature.asc Description: Digital signature ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
