Re: [FFmpeg-user] ffmpeg convert audio noise.how to improve the command?

2019-08-08 Thread 张凯
The last attachment is not ok. I will check the device. >The first attachment indicates that you are using a variable bit rate codec, >while G.722 is always constant bit rate.The first attachment is not good, >because I insert some 0 bytes by mistake,You can see the first attachment is >1024x

[FFmpeg-user] MXF, OP1A, DNxHD - Creates corrupted (Potential bug?)

2019-08-08 Thread Mark O'Shea
Hi, all (apologies if this is a duplicate email, I wasn't subscribed to the mailing list so not sure if it went through). In advance thank you for any help! I've been trying to generate some DNxHR's with additional metadata as requested by a client, these are: reel_name:_XXX_X

Re: [FFmpeg-user] coding video for some old Sony

2019-08-08 Thread Kieran O Leary
On Thu, 8 Aug 2019, 20:25 Erik Dobák, wrote: > that is great idea thank you will check specific videos next day. got to go > to bed. > Good night Erik, Best, Kieran. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

Re: [FFmpeg-user] coding video for some old Sony

2019-08-08 Thread Erik Dobák
that is great idea thank you will check specific videos next day. got to go to bed. cheers E On Thu, 8 Aug 2019 at 21:20, Kieran O Leary wrote: > Hi > > On Thu, 8 Aug 2019, 20:07 Erik Dobák, wrote: > > > Hi, > > > > i have an old Sony Bravia which accepts only MPEG4 as video and MP3 as > >

Re: [FFmpeg-user] coding video for some old Sony

2019-08-08 Thread Erik Dobák
well how do i do the define a more refined codec than mpeg4? and why does it play with this sometime and sometimes not. the command is uncut except the -i . On Thu, 8 Aug 2019 at 21:13, Carl Zwanzig wrote: > On 8/8/2019 12:06 PM, Erik Dobák wrote: > > i have an old Sony Bravia which accepts

Re: [FFmpeg-user] coding video for some old Sony

2019-08-08 Thread Kieran O Leary
Hi On Thu, 8 Aug 2019, 20:07 Erik Dobák, wrote: > Hi, > > i have an old Sony Bravia which accepts only MPEG4 as video and MP3 as > audio. If i want to watch videos i do it with this command: > > ffmpeg -i the_kingdom_of_dreams_and_madness.mp4 -b:v 1M -vcodec mpeg4 -vtag > xvid -acodec

Re: [FFmpeg-user] coding video for some old Sony

2019-08-08 Thread Carl Zwanzig
On 8/8/2019 12:06 PM, Erik Dobák wrote: i have an old Sony Bravia which accepts only MPEG4 as video and MP3 as audio. If i want to watch videos i do it with this command: ffmpeg -i the_kingdom_of_dreams_and_madness.mp4 -b:v 1M -vcodec mpeg4 -vtag xvid -acodec libmp3lame -q:a 2

[FFmpeg-user] coding video for some old Sony

2019-08-08 Thread Erik Dobák
Hi, i have an old Sony Bravia which accepts only MPEG4 as video and MP3 as audio. If i want to watch videos i do it with this command: ffmpeg -i the_kingdom_of_dreams_and_madness.mp4 -b:v 1M -vcodec mpeg4 -vtag xvid -acodec libmp3lame -q:a 2 the_kingdom_of_dreams_and_madness.avi but for some

Re: [FFmpeg-user] Display statistics on decode error

2019-08-08 Thread Remi Achard
> > You can either use -debug_ts or write the console output into a file > where the error message will be embedded between the status lines. > > Another alternative is of course to use your patch... > That's what I thought, but wanted to make sure... I find -debug_ts a little to verbose and hard

Re: [FFmpeg-user] converting apple pro res 422 to H.265 pushes red/changes color

2019-08-08 Thread Carl Eugen Hoyos
Am Do., 8. Aug. 2019 um 07:46 Uhr schrieb Uwe Gross (BLOOMBERG/ FRANKFURT) : > im trying to convert an exported .mov file thats Prores 420 10 bit LE, 709 > color > space with the H.265 main preset in ffworks. (where?) > When I encode the file with h.264 all is good and gives me great quality.

Re: [FFmpeg-user] Display statistics on decode error

2019-08-08 Thread Carl Eugen Hoyos
Am Do., 8. Aug. 2019 um 10:56 Uhr schrieb Remi Achard : > > Hi, > > I would like to use ffmpeg to check video files integrity in the sense that > every frame can be successfully decoded. > > The command line I’m using looks like this : > ffmpeg -v error -xerror -i /my/video/path -f null - > > It

Re: [FFmpeg-user] ffmpeg convert audio noise.how to improve the command?

2019-08-08 Thread Carl Eugen Hoyos
Am Do., 8. Aug. 2019 um 09:05 Uhr schrieb 张凯 : > The last attachment is not ok. The first attachment indicates that you are using a variable bit rate codec, while G.722 is always constant bit rate. > Please check this one. It should be 10s audio, But I use vlc play it. > It only 2s noise. 10

Re: [FFmpeg-user] Facing issue while video crop

2019-08-08 Thread Michael Koch
I am facing issue while cropping the video. i am using the following command to crop the video it is working perfect for land scap videos but for portrait video it is always crop to top. Please help in this potrait top -y-ss00:00.0-i input.mp4-t00:06.235-vfcrop=480:480:240:0:exact=0

Re: [FFmpeg-user] Facing issue while video crop

2019-08-08 Thread Carl Eugen Hoyos
Am Do., 8. Aug. 2019 um 10:38 Uhr schrieb Bharathi G : > I am facing issue while cropping the video. i am using the following > command to crop the video it is working perfect for land scap videos > but for portrait video it is always crop to top. > Please help in this Please provide the

[FFmpeg-user] Display statistics on decode error

2019-08-08 Thread Remi Achard
Hi, I would like to use ffmpeg to check video files integrity in the sense that every frame can be successfully decoded. The command line I’m using looks like this : ffmpeg -v error -xerror -i /my/video/path -f null - It works but don’t give any clue on where the error was in the stream.

[FFmpeg-user] Facing issue while video crop

2019-08-08 Thread Bharathi G
Hi , I am facing issue while cropping the video. i am using the following command to crop the video it is working perfect for land scap videos but for portrait video it is always crop to top. Please help in this potrait top -y-ss00:00.0-i input.mp4-t00:06.235-vfcrop=480:480:240:0:exact=0

Re: [FFmpeg-user] ffmpeg convert audio noise.how to improve the command?

2019-08-08 Thread 张凯
Hi Carl, The last attachment is not ok.Please check this one. It should be 10s audio,But I use vlc play it.It only 2s noise. thanks zhangkai On 8/8/2019 05:38,Carl Eugen Hoyos wrote: Am 07.08.2019 um 16:48 schrieb 张凯 : the input file is Linux named pipe file.so it is not a regular file.