Re: [FFmpeg-user] first two frames out of sequence

2018-11-27 13:16 GMT+01:00, Marcus Rowcliffe : > I've recently been playing with ffmpeg to extract frames from videos at a > fixed rate. I'm finding that the first two frames extracted are almost > simultaneous (I think the first two frames of the video), with subsequent > frames extracted at

Re: [FFmpeg-user] Setting colour range.

On Tue, 27 Nov 2018, 15:21 Paul B Mahol On 11/27/18, Kieran O'Leary wrote: > > When creating MOV files, setting the -color_range option does not seem to > > have any effect. What am I doing wrong? Could it have anything to do with > > the removal of the yuvj pixel formats? > > Is setting this

Re: [FFmpeg-user] Setting colour range.

On 11/27/18, Kieran O'Leary wrote: > When creating MOV files, setting the -color_range option does not seem to > have any effect. What am I doing wrong? Could it have anything to do with > the removal of the yuvj pixel formats? > Is setting this metadata even possible in the MOV container, or is

Re: [FFmpeg-user] Setting colour range.

On 27-11-2018 08:59 PM, Kieran O Leary wrote: Can this metadata ever be set at a container level for mov? Must it always be the stream that holds this info? The muxer only writes it for MP4s, The QT spec doesn't accommodate its signaling : "In scheme A, Cb and Cr have a 2n-2 (254 for

Re: [FFmpeg-user] Setting colour range.

On 27-11-2018 09:17 PM, Gyan Doshi wrote: On 27-11-2018 08:59 PM, Kieran O Leary wrote: Can this metadata ever be set at a container level for mov? Must it always be the stream that holds this info? The muxer only writes it for MP4s, The QT spec doesn't accommodate its signaling :

Re: [FFmpeg-user] Setting colour range.

On Tue, 27 Nov 2018, 15:56 Gyan Doshi On 27-11-2018 09:17 PM, Gyan Doshi wrote: > > On 27-11-2018 08:59 PM, Kieran O Leary wrote: > > > >> > >> Can this metadata ever be set at a container level for mov? Must it > >> always > >> be the stream that holds this info? > > > > The muxer only writes it

Re: [FFmpeg-user] FFmpeg fails to detect input stream codec

I tried to increase probesize and analyzeduration. Same result. From: ffmpeg-user on behalf of Micael Silva Sent: Tuesday, November 27, 2018 2:43:07 PM To: FFmpeg user questions Subject: Re: [FFmpeg-user] FFmpeg fails to detect input stream codec On Tue, Nov

Re: [FFmpeg-user] Select a single program from mpegts

2018-11-13 9:38 GMT+01:00, Robert Szelepcsényi : > I need an utility that can receive a complete mpeg transport stream on one > multicast address, select one particular program and stream it to another > multicast address. For example, this works perfectly for me: > > ffmpeg -copy_unknown -i

Re: [FFmpeg-user] Audio Only Dolby Digital Plus

2018-11-12 18:20 GMT+01:00, Ronak : > I'm trying to get Ffmpeg to package and generate a valid fMP4 file > for HLS of an Audio Only Dolby Digital Plus file. Is your input file really an atmos file? If yes, please provide such a sample. Carl Eugen ___

Re: [FFmpeg-user] Setting colour range.

> > I think prores encoder will soon get color_range writing from prores_ks. Doesn't seems like prores_ks do something about color_range. The color difference between prores_ks and aw, have been fixed, by setting the color prim, trc, space in prores frame header in prores_aw (already in master,

Re: [FFmpeg-user] Setting colour range.

On Tue, Nov 27, 2018 at 8:03 PM Dave Rice wrote: > > > On Nov 27, 2018, at 10:29 AM, Kieran O Leary > wrote: > > > > On Tue, 27 Nov 2018, 15:21 Paul B Mahol one...@gmail.com> wrote: > > > >> On 11/27/18, Kieran O'Leary wrote: > >>> When creating MOV files, setting the -color_range option does

Re: [FFmpeg-user] FFmpeg fails to detect input stream codec

2018-11-27 13:09 GMT+01:00, Liran Bachar : > Why automatic codec detection fails? What can I do to fix this? Feel free to use this patch: https://patchwork.ffmpeg.org/patch/8744/ Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

Re: [FFmpeg-user] Setting colour range.

> On Nov 27, 2018, at 10:29 AM, Kieran O Leary wrote: > > On Tue, 27 Nov 2018, 15:21 Paul B Mahol wrote: > >> On 11/27/18, Kieran O'Leary wrote: >>> When creating MOV files, setting the -color_range option does not seem to >>> have any effect. What am I doing wrong?

Re: [FFmpeg-user] Setting colour range.

On 11/27/18, Kieran O Leary wrote: > On Tue, Nov 27, 2018 at 8:03 PM Dave Rice wrote: > >> >> > On Nov 27, 2018, at 10:29 AM, Kieran O Leary >> wrote: >> > >> > On Tue, 27 Nov 2018, 15:21 Paul B Mahol > one...@gmail.com> wrote: >> > >> >> On 11/27/18, Kieran O'Leary wrote: >> >>> When creating

[FFmpeg-user] udp restreaming not working properly

Hello i need to stream the udp url , all i have is about 20-30 url multicast stream . i m using ffmpeg 4.1 static build to stream the url to my media server . the ffmpeg script runs for 1 hrs sometimes for 30 minutes and stop working please could you guys help me to solve this problem . Here is my

Re: [FFmpeg-user] avfilter: hwoverlay

‐‐‐ Original Message ‐‐‐ On Monday, 26 de November de 2018 15:10, Paul B Mahol wrote: > > Hi, > > The complexity varies. > > > > - And if the implementation is "particular", for example implementing > > "overlay_cuda|_qsv", then it will be more simple. At time, "overlay_opencl"

[FFmpeg-user] FFmpeg - HLS m3u8 to UDP Output

Dear Sir, i am Facing a problem when trying to stream HlS m3u8 to udp using ffmpeg. 1. input( from https://www.euronews.com/live) :

Re: [FFmpeg-user] FFmpeg fails to detect input stream codec

On 11/27/18, Liran Bachar wrote: > Hi. > I have a sample file uploaded to: > https://briefcamltd-my.sharepoint.com/:v:/g/personal/liran_bachar_briefcam_com/EfkUUWEHoa5Cnwf_xxtp2iMBEiKs_TThbTYBBwPYjiAqgA?e=fkrXu4 > > Command: > ffmpeg -i >

Re: [FFmpeg-user] FFmpeg fails to detect input stream codec

I need automatic detection to work. Our product can get any file at the input, I cannot assume the input file is hevc. -Original Message- From: ffmpeg-user On Behalf Of Paul B Mahol Sent: Tuesday, November 27, 2018 02:15 PM To: FFmpeg user questions Subject: Re: [FFmpeg-user] FFmpeg

[FFmpeg-user] FFmpeg fails to detect input stream codec

Hi. I have a sample file uploaded to: https://briefcamltd-my.sharepoint.com/:v:/g/personal/liran_bachar_briefcam_com/EfkUUWEHoa5Cnwf_xxtp2iMBEiKs_TThbTYBBwPYjiAqgA?e=fkrXu4 Command: ffmpeg -i "XRN-3010_10.0.21.62_80-Cam10_20181015_10_20181015_12_ID__0020.avi" -f null - Output:

[FFmpeg-user] first two frames out of sequence

Hi there I've recently been playing with ffmpeg to extract frames from videos at a fixed rate. I'm finding that the first two frames extracted are almost simultaneous (I think the first two frames of the video), with subsequent frames extracted at the desired rate. It would be very helpful if

Re: [FFmpeg-user] FFmpeg fails to detect input stream codec

On Tue, Nov 27, 2018 at 10:35 AM Liran Bachar wrote: > I need automatic detection to work. Our product can get any file at the > input, I cannot assume the input file is hevc. > > -Original Message- > From: ffmpeg-user On Behalf Of Paul B > Mahol > Sent: Tuesday, November 27, 2018 02:15

[FFmpeg-user] Setting colour range.

When creating MOV files, setting the -color_range option does not seem to have any effect. What am I doing wrong? Could it have anything to do with the removal of the yuvj pixel formats? Is setting this metadata even possible in the MOV container, or is it something that is expected to be