[FFmpeg-user] (no subject)

2020-03-07 Thread ASHIM TOM
Why is ffplay binary is not getting compiled? Only ffmpeg and ffprobe are compiled I used the official repo to build ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or

Re: [FFmpeg-user] Illegal memory access when using nvdec

2020-03-07 Thread Dennis Mungai
On Tue, 3 Mar 2020 at 21:23, Philip Langdale wrote: > > On Sun, 1 Mar 2020 07:16:05 +0300 > Dennis Mungai wrote: > > > Hello there, > > > > I've ran into some scenarios where a long running FFmpeg process > > configured to use NVDEC crashes with the error message: illegal > > memory access, somet

[FFmpeg-user] ff* command lines that work

2020-03-07 Thread Mark Filipak
This is a request that everyone add ffmpeg, ffprobe, etc. command lines that work. All that's needed is command lines that work, no explanations or details are needed. Simply add your contributions to this thread. Don't convert parameters to Martian tokens. Why I ask for this: I just can't f

Re: [FFmpeg-user] more sound madness

2020-03-07 Thread Ted Park
Hi, > Hi Ted, > Sorry, I have no clue what you mean here, could you please elaborate? I am not sure if this is accessible with ffmpeg, but in the track header, usually only tracks with different alternate_group, or 0, can play at the same time. > Nope, moving the does not make any difference.

Re: [FFmpeg-user] more sound madness

2020-03-07 Thread Bouke / VideoToolShed
> On 07 Mar 2020, at 14:38, Ted Park wrote: > > Hi, > >> command below seems simple enough, and works, except that the last two audio >> channels (those coming from the second input) are muted in the metadata. >> (Meaning, the sound data is there, but QT atom has flagged them as >> ‘inactive’

Re: [FFmpeg-user] filter ffmetadata does not output all metadata and is missing in documentation

2020-03-07 Thread Ted Park
Hi, >> Modify ffmpeg to remove the line I showed before, currently in >> fftools/ffmpeg_opt.c at line 2608. >> >> Or get o->metadata_global_manual to be false. You seem to be able to do >> that with -map_metadata 0 but I thought that was the default anyway. >> >> I manually added creation_time

Re: [FFmpeg-user] more sound madness

2020-03-07 Thread Ted Park
Hi, > command below seems simple enough, and works, except that the last two audio > channels (those coming from the second input) are muted in the metadata. > (Meaning, the sound data is there, but QT atom has flagged them as > ‘inactive’.) > What is the secret handshake to remap / patch / rer

Re: [FFmpeg-user] Extra video frames were added when doing the resolution transform

2020-03-07 Thread DEF
On Sat, 7 Mar 2020 at 12:08 Ted Park wrote: > Hi, > > >> Yes, the audio and video have different start times: > >>ffprobe -i test.mp4 -show_entries stream > >> video: > >> start_pts=116370 > >> start_time=1.293000 > >> audio: > >> start_pts=0 > >> start_time=0.00 > >> > > > > Greetings si

Re: [FFmpeg-user] Extra video frames were added when doing the resolution transform

2020-03-07 Thread Ted Park
Hi, >> Yes, the audio and video have different start times: >>ffprobe -i test.mp4 -show_entries stream >> video: >> start_pts=116370 >> start_time=1.293000 >> audio: >> start_pts=0 >> start_time=0.00 >> > > Greetings sir, > > Was just wandering. With this knowledge as you have elucidate

Re: [FFmpeg-user] Extra video frames were added when doing the resolution transform

2020-03-07 Thread DEF
On Sat, 7 Mar 2020 at 11:44 Du Dengke wrote: > Yes, the audio and video have different start times: > ffprobe -i test.mp4 -show_entries stream > video: > start_pts=116370 > start_time=1.293000 > audio: > start_pts=0 > start_time=0.00 > Greetings sir, Was just wandering. With this knowle

Re: [FFmpeg-user] ffmpeg as an image streaming service?

2020-03-07 Thread Ted Park
Hi, > Idea: > > Encode to h264-video with keyframes every X images, send to other > machine, decode into images again. > > Problem: > > It takes at least 9 images before the sending side starts outputting > anything, and the same on the receiving side, it takes quite a few > received frames bef

Re: [FFmpeg-user] Extra video frames were added when doing the resolution transform

2020-03-07 Thread Du Dengke
Yes, the audio and video have different start times: ffprobe -i test.mp4 -show_entries stream video: start_pts=116370 start_time=1.293000 audio: start_pts=0 start_time=0.00 On Sat, Mar 7, 2020 at 6:21 PM Carl Eugen Hoyos wrote: > Am Sa., 7. März 2020 um 11:16 Uhr schrieb Du Dengke >: >

Re: [FFmpeg-user] Extra video frames were added when doing the resolution transform

2020-03-07 Thread Du Dengke
Thanks, add the log: libavutil 56. 41.100 / 56. 41.100 libavcodec 58. 70.100 / 58. 70.100 libavformat58. 38.101 / 58. 38.101 libavdevice58. 9.103 / 58. 9.103 libavfilter 7. 76.100 / 7. 76.100 libswscale 5. 6.100 / 5. 6.100 libswresample 3. 6.100 /

Re: [FFmpeg-user] Extra video frames were added when doing the resolution transform

2020-03-07 Thread Carl Eugen Hoyos
Am Sa., 7. März 2020 um 11:16 Uhr schrieb Du Dengke : > When I run the following command > ffmpeg -i test.mp4 -vf scale=640x360 test2.mp4 Complete, uncut console output missing. > 32 frames was added after the transform, and I saw some static picture > within the first second. > My question:

[FFmpeg-user] Extra video frames were added when doing the resolution transform

2020-03-07 Thread Du Dengke
Hi all When I run the following command ffmpeg -i test.mp4 -vf scale=640x360 test2.mp4 where test.mp4 located at: https://cdnproduce.yunshicloud.com/43E0AE6C22824961/FABU_YUNSHI/EF5649D3ADB5458EB06F15D2CD719C61/4F32E11AFFC44612BACC4246FCE0A9DF.mp4 And run the ffprobe on test.mp4 and test2.mp4