[FFmpeg-user] [Parsed_overlay_opencl_5 @ 0x4f22e80] Failed to finish command queue:

i want to use overlay_opencl, and i build the ffmpeg with opencl success! but i run the command , it alway report "[Parsed_overlay_opencl_5 @ 0x4f22e80] Failed to finish command queue:",i am not sure my command is correct , can someone tell me how this should be corrected? Thanks this is my

Re: [FFmpeg-user] Quicktime reference files

Does anyone have experience with quicktime reference files on linux? Best, Kasper > On 4 Jan 2018, at 19.38, Kasper Folman wrote: > > Hi Gyan. > > Thank you for your answer. > > If I’m not mistaken, that will tell ffmpeg to look for the asset here: >

Re: [FFmpeg-user] Pass Xvfb directly to ffmpeg

2018-01-08 15:58 GMT+01:00 mario90yxz : > I'm trying to pass Xvfb buffor directly to ffmpeg inside Docker. This is > approach give me really big performance benefits. > > This is how I'm doing it: > > Xvfb write the screen output: > `sudo Xvfb $DISPLAY -ac -screen 0

[FFmpeg-user] FFmpeg website (ffmpeg.org)

Hi, [Offtopic] I am using the online documentation a lot, especially this page https://ffmpeg.org/ffmpeg-filters.html Frankly, I find the site quite hard to read. (IMO, so please don't take as offense) I have published a userstyle for Firefox (with Stylish plugin) that adresses the issues and

Re: [FFmpeg-user] Transcoding wave to ape

2018-01-09 3:26 GMT+01:00 JD : > > > On 01/08/2018 06:48 PM, Carl Eugen Hoyos wrote: >> >> 2018-01-08 20:03 GMT+01:00 JD : >>> >>> Used >>> >>> $ ffmpeg --version >>> ffmpeg version N-88150-gae100046ca-static >>> https://johnvansickle.com/ffmpeg/ >>> Copyright

Re: [FFmpeg-user] Transcoding wave to ape

On 01/08/2018 06:48 PM, Carl Eugen Hoyos wrote: 2018-01-08 20:03 GMT+01:00 JD : Used $ ffmpeg --version ffmpeg version N-88150-gae100046ca-static https://johnvansickle.com/ffmpeg/ Copyright (c) 2000-2017 the FFmpeg developers built with gcc 6.4.0 (Debian 6.4.0-8)

Re: [FFmpeg-user] Transcoding wave to ape

2018-01-08 20:03 GMT+01:00 JD : > Used > > $ ffmpeg --version > ffmpeg version N-88150-gae100046ca-static https://johnvansickle.com/ffmpeg/ > Copyright (c) 2000-2017 the FFmpeg developers > built with gcc 6.4.0 (Debian 6.4.0-8) 20171010 > configuration: --enable-gpl

Re: [FFmpeg-user] MPEG-2 to H264 jerky output - soccer match

2018-01-08 18:54 GMT+01:00 José María Infanzón : > Hi Carl - Thanks for your quick reply. This is my first time writing > through the user list, so my apologies if I miss something. Please do not top-post here. > Let me add all the outputs with FFPROBE and FFMPEG: (I always

[FFmpeg-user] Pass Xvfb directly to ffmpeg

I'm trying to pass Xvfb buffor directly to ffmpeg inside Docker. This is approach give me really big performance benefits. This is how I'm doing it: Xvfb write the screen output: `sudo Xvfb $DISPLAY -ac -screen 0 1680x900x24 -fbdir /tmp/screen/test.xwd > /dev/null 2>&1 &` ffmpeg read command:

[FFmpeg-user] fast forward and overlay blinking

Hi there, I'm trying to cut out and fast forward a part of a video and adding an overlay to it. The overlay should change its enable state every 15 frames. At the moment I'm using this piece of code ... = cut == ffmpeg_p=( -i "${IMG_Path}/media_fastforward.png"

Re: [FFmpeg-user] MPEG-2 to H264 jerky output - soccer match

Hi Carl - Thanks for your quick reply. This is my first time writing through the user list, so my apologies if I miss something. Let me add all the outputs with FFPROBE and FFMPEG: The input is interlaced. *### FFPROBE ON INPUT STREAM (MPEG-2) ###*

Re: [FFmpeg-user] MPEG-2 to H264 jerky output - soccer match

Since I was not sure if it was interlaced input I've run the following: ffmpeg -filter:v idet -frames:v 100 -an -f rawvideo -y /dev/null -i udp://@ 224.2.2.2:1005 and got: ffmpeg version N-89707-g89b84cb Copyright (c) 2000-2018 the FFmpeg developers built with gcc 5.4.0 (Ubuntu

Re: [FFmpeg-user] Extract rotation flag

ffprobe -show_streams input.mp4 2>/dev/null | grep rotate | cut -c 12-14 gave me the clean output: 90 Best regards, On Mon, Jan 8, 2018 at 9:33 AM, Andrey Goreev wrote: > Thanks. That works. This one also worked: > ffprobe -show_streams input.mp4 2>/dev/null | grep rotate >

Re: [FFmpeg-user] Extract rotation flag

Thank you, that works too! Best regards, On Mon, Jan 8, 2018 at 9:37 AM, Gyan Doshi wrote: > On 1/8/2018 10:03 PM, Andrey Goreev wrote: > > Just need to get rid of "TAG:rotate=" now to get a clean "90" >> > > Change -of in my command to > > -of compact=p=0:nk=1 > > to

Re: [FFmpeg-user] Extract rotation flag

On 1/8/2018 10:03 PM, Andrey Goreev wrote: Just need to get rid of "TAG:rotate=" now to get a clean "90" Change -of in my command to -of compact=p=0:nk=1 to get just the value. Regards, Gyan ___ ffmpeg-user mailing list

Re: [FFmpeg-user] Extract rotation flag

Thanks. That works. This one also worked: ffprobe -show_streams input.mp4 2>/dev/null | grep rotate which gives me: TAG:rotate=90 Just need to get rid of "TAG:rotate=" now to get a clean "90" Best regards, On Mon, Jan 8, 2018 at 9:28 AM, Gyan Doshi wrote: > > On 1/8/2018

Re: [FFmpeg-user] Extract rotation flag

On 1/8/2018 9:49 PM, Andrey Goreev wrote: I am wondering if there is a way to extract the rotation flag ONLY using ffmpeg/ffprobe. Try ffprobe video.mp4 -show_entries side_data=rotation -select_streams v -read_intervals %+#1 -of compact=p=0 -v 0 Regards, Gyan

Re: [FFmpeg-user] MPEG-2 to H264 jerky output - soccer match

2018-01-08 1:37 GMT+01:00 José María Infanzón : > When we encode another stream, let's say a movie from mpeg-2 > to h264 final result is pretty good, but when we encode on a sport > channel the result is very jerky. For example on a soccer match, > *around the players* is

[FFmpeg-user] Extract rotation flag

Hello, If I use: mediainfo input.mp4 | grep Rotation I get: Rotation: 90 I am wondering if there is a way to extract the rotation flag ONLY using ffmpeg/ffprobe. I tried: ffprobe -i input.mp4 | grep Rotation as well as "rotat", "rotation", "rotate", "%rotat%" but I get the full output all

Re: [FFmpeg-user] Autorotation issues - portrait orientation screen

Hello, Here is the terminal output: ffmpeg -y -i /mnt/data/Pictures/2017/2017-11/2017-11-25/20171125-174553-174442.mp4 -f mp4 -c:a libfdk_aac -b:a 192k -c:v libx264 -crf 23 -preset slow -map_metadata 0 /mnt/data/Pictures/2017/2017-11/2017-11-25/20171125-174553-174442_x264.mp4 ffmpeg version

Re: [FFmpeg-user] Autorotation issues - portrait orientation screen

Hello Davood, Thanks for the tip. I will give it a try. Best regards, On Mon, Jan 8, 2018 at 7:51 AM, Andrey Goreev wrote: > Hello, > > Here is the terminal output: > > ffmpeg -y -i > /mnt/data/Pictures/2017/2017-11/2017-11-25/20171125-174553-174442.mp4 > -f mp4 -c:a

Re: [FFmpeg-user] Corrupted output when resizing with scale_npp filter

Follow-up on this in case anyone is interested. I've been using the latest version of the NVENC SDK (8.0.14) as well as the CUDA Toolkit (9.1). I tried downgrading the CUDA Toolkit version to the latest 8.0 patch. The scale_npp filter is working as expected now. For testing purposes I've been

Re: [FFmpeg-user] FFMPEG sidechaincompress not working as it should?

2018-01-08 8:39 GMT+01:00 Paul B Mahol : > On 1/8/18, Carl Eugen Hoyos wrote: >> 2017-10-23 7:03 GMT+02:00 Frank @ Taapo : >> >>> ffmpeg.exe -i temp_music.aif -i temp_voice.aif -filter_complex >>>

Re: [FFmpeg-user] Lossless and colour preserving pix_fmt?

2018-01-08 6:29 GMT+01:00 Jim DeLaHunt : > I'm trying to overlay animated GIFS onto one white background, with some > text at the top. I'm looking for an incantation which a) does the job and > b) leaves all the colours of the animated gifs unchanged. Depending on