[FFmpeg-user] Troubles with video record

I try to capture video stream from web-cam Logitech c920 to file on Raspberry Pi. I do: v4l2-ctl -d /dev/video0 --set-fmt-video=width=1920,height=1080,pixelformat=1 v4l2-ctl -d /dev/video0 --set-parm=20 sudo ffmpeg -f v4l2 -input_format h264 -i /dev/video0 -c:v copy ./output.mkv Often, I get some

Re: [FFmpeg-user] Introduction and problem with decoding DCP (jpeg2000 wrapped in MXF)

> Please do not top-post here, it is considered rude. Please do not endlessly repeat the same pointless, tired statements, it is considered rude. > Please do not repeat your question without providing complete, uncut console >output. This is often impossible as it will cause the mail to exceed ce

Re: [FFmpeg-user] avoid pixelated dvb-t

On 13 Dec 2015, at 16:48, juan carlos Rebate wrote: > because it is not permissible that frequency in Spain. And because the > 802.11a standard is based on 802.11n I have 802.11n AFAIK in every country in the world there are about 10-12 sub-channels you can choose from. Providers choose some ch

Re: [FFmpeg-user] Conversion of video to frames using it's native Variable Framerate generates "Conversion Failed" error sometimes ?

Hi Liran, On Sun, Dec 13, 2015 at 03:57:08 +, Liran Sharoni wrote: > This happens only in VFR conversion to frames, and not all the time. I can't quite make sense of what you're trying to do, and what happens. Please show us the actual, full ffmpeg command line of what you're trying as well a

Re: [FFmpeg-user] Remux MPEG-TS file fails: Mid-stream changes?

On Saturday 12 December 2015 12:08:46 pm Peter B. wrote: > >> btw, choosing to transcode the audio *and* using Matroska did the trick: > >> I've now tried converting the audio to pcm_s16le and using Matroska as > >> output container, and now the audio works for the whole video :D > > > > I don't th

Re: [FFmpeg-user] Introduction and problem with decoding DCP (jpeg2000 wrapped in MXF)

On Sunday 13 December 2015 04:24:47 pm Stephan Klemmer PIXEL for everyone wrote: > ffmpeg -i film.mxf -i audio.mxf -c:v prores -c:a copy output.mov Complete, uncut console output missing. Please do not top-post here, it is considered rude. Please do not repeat your question without providing co

Re: [FFmpeg-user] avoid pixelated dvb-t

because it is not permissible that frequency in Spain. And because the 802.11a standard is based on 802.11n I have 802.11n El 13/12/2015 16:22, "Henk D. Schoneveld" escribió: > > On 13 Dec 2015, at 16:02, juan carlos Rebate wrote: > > > 802.11a is posible? > Yes, why would you think it would not

Re: [FFmpeg-user] Introduction and problem with decoding DCP (jpeg2000 wrapped in MXF)

Hi, im using this command: ffmpeg -i film.mxf -i audio.mxf -c:v prores -c:a copy output.mov but the output is still xyz, with greenish colors. regards stephan > Am 13.12.2015 um 15:45 schrieb Anshul : > > Hey need some more details. > > From your subject we came to know that you have p

Re: [FFmpeg-user] avoid pixelated dvb-t

On 13 Dec 2015, at 16:02, juan carlos Rebate wrote: > 802.11a is posible? Yes, why would you think it would not be possible for 802.11a ? > El 13/12/2015 13:39, "Henk D. Schoneveld" escribió: > >> >> On 12 Dec 2015, at 23:13, juan carlos Rebate wrote: >> >>> solved,I managed a network cable

Re: [FFmpeg-user] avoid pixelated dvb-t

802.11a is posible? El 13/12/2015 13:39, "Henk D. Schoneveld" escribió: > > On 12 Dec 2015, at 23:13, juan carlos Rebate wrote: > > > solved,I managed a network cable for testing, it is indeed wireless > > errors by CABle is super-sharp image and very clean,Is there a way to > > repair the wirel

Re: [FFmpeg-user] Introduction and problem with decoding DCP (jpeg2000 wrapped in MXF)

Hey need some more details. From your subject we came to know that you have problem while decoding DCP (jpeg2000 wrapped in MXF) but where is ffmpeg command that you are using? What was your expected output? what is it thats coming? -Anshul On 12/13/2015 08:12 PM, Stephan Klemmer PIXEL for eve

Re: [FFmpeg-user] Introduction and problem with decoding DCP (jpeg2000 wrapped in MXF)

Hello, i have the same problem. Is there a solution now? thank you Beste Grüße, Stephan Klemmer Mediendesign Tel.: 0331 / 287 931 62 Mobil: 0174 / 77 87 590 Mail: step...@pixel-for-everyone.de https://www.facebook.com/PIXE

Re: [FFmpeg-user] avoid pixelated dvb-t

On 12 Dec 2015, at 23:13, juan carlos Rebate wrote: > solved,I managed a network cable for testing, it is indeed wireless > errors by CABle is super-sharp image and very clean,Is there a way to > repair the wireless data loss? Getting a better wireless antenna at router and/or receiver side. Cho

Re: [FFmpeg-user] Decode FFV1 AVI back to DPX

Additionally: here is also a good understanding description of the LOG vs LINEAR issue: https://library.creativecow.net/articles/oconnell_pete/cineon.php Am 13.12.15 um 02:47 schrieb Peter B.: On 12/08/2015 04:15 PM, Dave Rice wrote: It is indeed possible to decode back to DPX- I've lossless

Re: [FFmpeg-user] Decode FFV1 AVI back to DPX

I did. As I remember, it was lossless. My problem was just the recreating an logarithmic DPX from a FFV1 AVI. Do you know how I can do this? I just ned the correct syntax to write DPX files which has the same LOG flag in the header like in the original source. Best Regards Christoph Am 13.12.