Re: [FFmpeg-user] ffmpeg -layer flag

2020-01-17 Thread Carl Eugen Hoyos
Am Sa., 18. Jan. 2020 um 02:47 Uhr schrieb Dan Walker : > I'm trying to find info on the -layer flag for ffmpeg which seems to be > undocumented in terms of examples. > > I have a sequence of multilayer EXRs that I'm trying to convert to JPEG and > from the sounds of it, I would be able to extract

[FFmpeg-user] ffmpeg -layer flag

2020-01-17 Thread Dan Walker
Hello, I'm trying to find info on the -layer flag for ffmpeg which seems to be undocumented in terms of examples. I have a sequence of multilayer EXRs that I'm trying to convert to JPEG and from the sounds of it, I would be able to extract channels in the multilayer EXR [e.g. R,G,B or Diffuse, et

Re: [FFmpeg-user] Output ffplay sound to a specific device

2020-01-17 Thread Carl Eugen Hoyos
Am Fr., 17. Jan. 2020 um 13:05 Uhr schrieb Paul R : > Is there a way to play a local .mp3 sound to a specific device from > following command line result ? ffplay uses SDL for audio output (not dshow), this article may belp: https://stackoverflow.com/questions/46835811/ffplay-wasapi-cant-initiali

Re: [FFmpeg-user] SCTE-35 passthrough in transcoding process

2020-01-17 Thread Dennis Mungai
On Fri, 17 Jan 2020, 19:02 , wrote: > Hello, > > > > I am transcoding cable sourced streams with an SCTE-35 data stream. The > output seems to drop the SCTE-35 type and shows just bin_data on an > ffprobe. > I am wondering if there is a way to properly set that type on the output or > preserve it

Re: [FFmpeg-user] Is there a bulk mode for ffprobe

2020-01-17 Thread Carl Zwanzig
On 1/17/2020 3:32 AM, Mike Martin wrote: Thats what I am doing atm (via perl open3) and I am only getting about 4.7 files per second. (30160 in 105 minutes) This is what I am passing "ffprobe", '-hide_banner', '-loglevel','0','-show_format', '-show_streams','-print_format','flat', '-sexagesimal',

[FFmpeg-user] SCTE-35 passthrough in transcoding process

2020-01-17 Thread jamesed84.it
Hello, I am transcoding cable sourced streams with an SCTE-35 data stream. The output seems to drop the SCTE-35 type and shows just bin_data on an ffprobe. I am wondering if there is a way to properly set that type on the output or preserve it. FFprobe of Source stream: hostname:~$ ffprobe

[FFmpeg-user] Motion detection - object in the center of the video

2020-01-17 Thread Alexander Gribanov
Hello! I have many videos recorded via Tripod where the Speaker is going across the room. He may go Left or Right and sometimes Closer and Farther away from the Camera. I want to make Videos with Slides and the Speaker in the Corner, but for this, I need that he stay at the same position on the s

[FFmpeg-user] Output ffplay sound to a specific device

2020-01-17 Thread Paul R
Hello, Is there a way to play a local .mp3 sound to a specific device from following command line result ? ffplay -list_devices true -f dshow -i dummy [dshow @ 004df5379d00] DirectShow audio devices [dshow @ 004df5379d00] "CABLE Output (VB-Audio Virtual Cable)" [dshow @ 004df5379d00

Re: [FFmpeg-user] V360 filter

2020-01-17 Thread Paul B Mahol
On 9/20/19, Michael Koch wrote: > Paul, > >> I'm working on dual fisheye output > > I've tested the new "ball" output format and found no problems. It gives > the same output as my workaround with the remap filter. > > The only thing that's still missing is single-fisheye as input and > output

Re: [FFmpeg-user] Is there a bulk mode for ffprobe

2020-01-17 Thread Mike Martin
Thats what I am doing atm (via perl open3) and I am only getting about 4.7 files per second. (30160 in 105 minutes) This is what I am passing "ffprobe", '-hide_banner', '-loglevel','0','-show_format', '-show_streams','-print_format','flat', '-sexagesimal', "$file" Any ideas to speed this up On Thu