[FFmpeg-user] rtmpe support with ffmpeg's built-in rtmp

[桃源老師]

Hello ffmpeg experts,

I found that ffmpeg's built-in rtmp does not supports rtmpe protocol.

I executed the following command:

$ ffmpeg -protocols

ffmpeg version N-86942-geabeb9093a Copyright (c) 2000-2017 the FFmpeg developers
  built with Apple LLVM version 8.1.0 (clang-802.0.42)
  configuration: --prefix=/Volumes/ffmpeg_compile --pkg-config-flags=--static 
--disable-ffserver --enable-gpl --enable-version3 --enable-nonfree 
--enable-libmp3lame --enable-libfdk-aac --enable-libvo-amrwbenc 
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libvorbis 
--enable-libspeex --enable-libopus --enable-libgsm --enable-libtwolame 
--enable-libsoxr --enable-libwavpack --enable-libmodplug --enable-libopenjpeg 
--enable-libwebp --enable-libtheora --enable-libx264 --enable-libopenh264 
--enable-libx265 --enable-libxvid --enable-libvpx --enable-libxavs 
--enable-libfreetype --enable-fontconfig --enable-libfribidi --enable-libass 
--enable-libbluray --enable-libvidstab --enable-libsnappy --enable-libzmq 
--enable-libzvbi
  libavutil  55. 69.101 / 55. 69.101
  libavcodec 57.102.100 / 57.102.100
  libavformat57. 76.100 / 57. 76.100
  libavdevice57.  7.100 / 57.  7.100
  libavfilter 6. 98.100 /  6. 98.100
  libswscale  4.  7.101 /  4.  7.101
  libswresample   2.  8.100 /  2.  8.100
  libpostproc54.  6.100 / 54.  6.100
Supported file protocols:

[snip]
  rtmp
  rtmps
  rtmpt
  rtmpts
  rtp
  srtp
[snip]

Is there any way to support rtmpe protocol with ffmpeg's built-in rtmp?

Oh I'm on macOS.  So my ffmpeg uses Secure Transport for macOS...

Best Regards,

// Miya aka. TougenRoushi



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Re: [FFmpeg-user] Speeding up a script.

[Evert Vorster]

Hi there, Paul.

How would I be able to check which filter uses the most processing power?

I am encoding in hardware with my video card, so it's only the decoding and
filters that are eating up CPU.
What I am seeing is that only one CPU shows any load.

I have a suspicion that it is the remap filter that eats the most CPU, but
I am running two remaps in parrallel, so I would expect to see at least two
CPU showing load.

Kind regards,
-Evert Vorster-

On 6 August 2017 at 21:28, Paul B Mahol  wrote:

> On 8/6/17, Evert Vorster  wrote:
> > Hi there.
> > I am using a quite convoluted filter in ffmpeg.
> > -
> > #!/bin/bash
> > #This will split, defish, blend and re-assemble Samsung Gear 360 video
> > map_dir="/data/Projects/RemapFilter"
> > ffmpeg -y -i "$1" \
> > -i $map_dir/lx.pgm -i $map_dir/ly.pgm -loop 1 \
> > -i $map_dir/Alpha-Map.png \
> > -i $map_dir/rx.pgm -i $map_dir/ry.pgm \
> > -c:v hevc_nvenc -rc constqp -qp 26 -cq 26 \
> > -filter_complex \
> > "[0:v]eq=contrast=0.8:brightness=-0.01:gamma=0.7:saturation=0.8[bright];
> \
> >  [bright]split=2[in1][in2]; \
> >  [in1]crop=in_w/2:in_h:0:in_h[l_crop];\
> >  [in2]crop=in_w/2:in_h:in_w/2:in_h[r_crop]; \
> >  [3]alphaextract[alf]; \
> >  [l_crop]vignette=angle=PI/4.6:mode=backward[l_vignette]; \
> >  [l_vignette][1][2]remap[l_remap]; \
> >  [r_crop]vignette=angle=PI/4.8:mode=backward[r_vignette]; \
> >  [r_vignette][4][5]remap[r_remap]; \
> >  [l_remap]crop=in_w:1920:0:(in_h-1920)/2[l_rm_crop]; \
> >  [r_remap]crop=in_w:1920:0:(in_h-1920)/2[r_rm_crop]; \
> >  [l_rm_crop][alf]alphamerge[l_rm_crop_a]; \
> >  [l_rm_crop_a]split=2[l_rm_crop1][l_rm_crop2]; \
> >  [l_rm_crop1]crop=in_w/2:in_h:0:0[l_rm_crop_l]; \
> >  [l_rm_crop2]crop=in_w/2:in_h:in_w/2:0[l_rm_crop_r]; \
> >  [0:v][r_rm_crop]overlay=(1920-(2028/2)):0[ov1]; \
> >  [ov1][l_rm_crop_l]overlay=((1920+2028/2)-(2028-1920)):0[ov2]; \
> >  [ov2][l_rm_crop_r]overlay=0:0[out]" \
> > -map [out] -map 0:a "$1_Remapped.mp4"
> > -
> >
> > When this runs, only one of my CPU is showing any activity.
> > Is there a way of telling ffmpeg to process these steps in the filter in
> > parallel?
>
> Have you checked which filter takes most of processing times?
>
> >
> > Kind regards,
> > Evert Vorster
> >
> > Isometrix Acquistion Superchief
> > ___
> > ffmpeg-user mailing list
> > ffmpeg-user@ffmpeg.org
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-- 
Evert Vorster
Isometrix Acquistion Superchief
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Re: [FFmpeg-user] Documentation for Ffmpeg remap filter

[Evert Vorster]

Thanks, Paul.
I'll give it a test.

On 6 August 2017 at 21:26, Paul B Mahol  wrote:

> On 8/6/17, Evert Vorster  wrote:
> > Hi there.
> >
> > I have been able to use ffmpeg to convert dual fisheye samsung gear 360
> > footage to equirectangular footage with ffmpeg.
> >
> > The example program given in the manual does an OK job of what the remap
> > filter is capable of, however to really get the best from it the .pgm
> maps
> > needs to be created with something that takes lens chataristics into
> > account.
> >
> > Passing the -c parameter to Panotool's nona generates the required
> > translation maps in .tif format, and then it's a doddle to convert to
> .pgm
> > with ImageMagick.
>
> FFmpeg can read tif format just fine last time I checked.
>
> >
> > Is there a way to update the manual a little for other people who wants
> to
> > folow in my footsteps?
> >
> > For the curious, here is the contents of the script that I use.
> > 
> --
> > #!/bin/bash
> > #This will split, defish, blend and re-assemble Samsung Gear 360 video
> > map_dir="/data/Projects/RemapFilter"
> > ffmpeg -y -i "$1" \
> > -i $map_dir/lx.pgm -i $map_dir/ly.pgm -loop 1 \
> > -i $map_dir/Alpha-Map.png \
> > -i $map_dir/rx.pgm -i $map_dir/ry.pgm \
> > -c:v hevc_nvenc -rc constqp -qp 26 -cq 26 \
> > -filter_complex \
> > "[0:v]eq=contrast=0.8:brightness=-0.01:gamma=0.7:saturation=0.8[bright];
> \
> >  [bright]split=2[in1][in2]; \
> >  [in1]crop=in_w/2:in_h:0:in_h[l_crop];\
> >  [in2]crop=in_w/2:in_h:in_w/2:in_h[r_crop]; \
> >  [3]alphaextract[alf]; \
> >  [l_crop]vignette=angle=PI/4.6:mode=backward[l_vignette]; \
> >  [l_vignette][1][2]remap[l_remap]; \
> >  [r_crop]vignette=angle=PI/4.8:mode=backward[r_vignette]; \
> >  [r_vignette][4][5]remap[r_remap]; \
> >  [l_remap]crop=in_w:1920:0:(in_h-1920)/2[l_rm_crop]; \
> >  [r_remap]crop=in_w:1920:0:(in_h-1920)/2[r_rm_crop]; \
> >  [l_rm_crop][alf]alphamerge[l_rm_crop_a]; \
> >  [l_rm_crop_a]split=2[l_rm_crop1][l_rm_crop2]; \
> >  [l_rm_crop1]crop=in_w/2:in_h:0:0[l_rm_crop_l]; \
> >  [l_rm_crop2]crop=in_w/2:in_h:in_w/2:0[l_rm_crop_r]; \
> >  [0:v][r_rm_crop]overlay=(1920-(2028/2)):0[ov1]; \
> >  [ov1][l_rm_crop_l]overlay=((1920+2028/2)-(2028-1920)):0[ov2]; \
> >  [ov2][l_rm_crop_r]overlay=0:0[out]" \
> > -map [out] -map 0:a "$1_Remapped.mp4"
> > 
> 
> > I hope this helps somebody.
> >
> > Kind regards
> > --
> > Evert Vorster
> > Isometrix Acquistion Superchief
> > ___
> > ffmpeg-user mailing list
> > ffmpeg-user@ffmpeg.org
> > http://ffmpeg.org/mailman/listinfo/ffmpeg-user
> >
> > To unsubscribe, visit link above, or email
> > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
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-- 
Evert Vorster
Isometrix Acquistion Superchief
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