[FFmpeg-user] conversion failed

2018-01-16 Thread Remo Rayamajhi
Hello support i tried to convert my hls stream to rtmp stream , each time i use ffmpeg script it shows broken pipe error message and gives conversion failed message ffmpeg -i ' http://192.168.0.54:8081/live/hdmi_ext/playlist.m3u8?fifo_size=100\&overrun_nonfatal' -pix_fmt yuv420p -b:v 2000k

Re: [FFmpeg-user] best_effort_timestamp_time

2018-01-16 Thread Carl Eugen Hoyos
2018-01-16 11:21 GMT+01:00 Wolfgang Hugemann : > In this very case, I will be able to test the video timing at the spot > (using a turntable or alike as a target), but rather often, the cameras are > already dismounted when I come into play, thus this is a question that > matters when settling lit

Re: [FFmpeg-user] Concat and extract image cause FFmpeg to hang in 3.3 and 3.4

2018-01-16 Thread Jeff Wang
> In addition to the command line, could you kindly also post the > complete, uncut console output of a working and a non-working attempt? > Even if you have no warning or error messages, the outputs contain > valuable information. Please see the complete console output at the end of this message

[FFmpeg-user] Libvmaf is returning null values?

2018-01-16 Thread Chris Davis
Hello, I am trying to test out libvmaf and I am running into issues. I have encoded several renditions of a source clip to H264 for downstream HLS packaging and I am getting a “nan” value out of libvaf. If I load the source video as the reference as well, I get a valid VMAF score of 99.98, b

Re: [FFmpeg-user] Bitrate range when streaming to udp

2018-01-16 Thread Beltran Cambronero
> > Stop top-posting here! > > Carl Eugen > Hi Carl, I understand you are very strict about the top-posting issue and I'm not going to discuss that: "your e-mail list, your rules" What I would like to ask is for you to be a little bit more constructive when you reprimand people for doing it (I wa

Re: [FFmpeg-user] concat one video file and multiple audio files

2018-01-16 Thread ropiafoldetnezi
hi, the conversation was helpful for me, thank you! @DopeLabs the chaining work well also, changed it for windows batch and it runs fine and fast, thx! bye ropiafoldetnezi On Sat, Jan 13, 2018 at 6:42 PM, Nicolas George wrote: > Moritz Barsnick (2018-01-13): > > It was very bad wording from m

[FFmpeg-user] best_effort_timestamp_time

2018-01-16 Thread Wolfgang Hugemann
Dear list members, I am analysing a video from a security cam which has recorded a traffic accident. I want to calculate the speeds of the vehicles involved and therefore need the exact time gap between each two frames. When analysing the video with ffprobe it turns out that the time gap is

Re: [FFmpeg-user] Concat and extract image cause FFmpeg to hang in 3.3 and 3.4

2018-01-16 Thread Moritz Barsnick
On Tue, Jan 16, 2018 at 01:47:44 +, Jeff Wang wrote: > ffmpeg -i topia.flac -i topia_png.flac -threads 0 -map_chapters -1 -f flac > -filter_complex "[0:a:0][1:a:0]concat=n=2:v=0:a=1[cat_a]" -map "[cat_a]" > -acodec flac -sample_fmt s16 -ac 2 -ar 44100 -sn -vn > topia.flac+topia_png.flac.flac