Re: [FFmpeg-devel] [PATCH 3/4] lavf/concat: switch to new BSF API.

2016-06-03 Thread Nicolas George
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 t

Re: [FFmpeg-devel] [PATCH 3/4] lavf/concat: switch to new BSF API.

2016-05-26 Thread Nicolas George
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

Re: [FFmpeg-devel] [PATCH 3/4] lavf/concat: switch to new BSF API.

2016-05-19 Thread Michael Niedermayer
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 lim

Re: [FFmpeg-devel] [PATCH 3/4] lavf/concat: switch to new BSF API.

2016-05-19 Thread Nicolas George
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

Re: [FFmpeg-devel] [PATCH 3/4] lavf/concat: switch to new BSF API.

2016-05-19 Thread Michael Niedermayer
On Thu, May 19, 2016 at 09:47:11AM +0200, Nicolas George wrote: > Signed-off-by: Nicolas George > --- > libavformat/concatdec.c | 165 > ++-- > 1 file changed, 76 insertions(+), 89 deletions(-) > > > Unchanged. > > > diff --git a/libavformat/concat

[FFmpeg-devel] [PATCH 3/4] lavf/concat: switch to new BSF API.

2016-05-19 Thread Nicolas George
Signed-off-by: Nicolas George --- libavformat/concatdec.c | 165 ++-- 1 file changed, 76 insertions(+), 89 deletions(-) Unchanged. diff --git a/libavformat/concatdec.c b/libavformat/concatdec.c index b3a430e..bbea158 100644 --- a/libavformat/concatd