Re: [FFmpeg-user] ffmpeg architecture question #2

2020-04-25 Thread Carl Eugen Hoyos
Am Sa., 25. Apr. 2020 um 04:20 Uhr schrieb Mark Filipak : > > On 04/24/2020 01:22 PM, Carl Eugen Hoyos wrote: > > > > > >> Am 24.04.2020 um 11:10 schrieb Mark Filipak > >> : > >> > >> I've been told that, for soft telecined video the decoder is fully > >> compliant > >> and therefore outputs

Re: [FFmpeg-user] ffmpeg architecture question #2

2020-04-24 Thread Mark Filipak
Sorry, the p24 "source" *is* soft telecine. On 04/24/2020 11:06 PM, pdr0 wrote: Mark Filipak wrote If you take a soft telecine input, encode it directly to rawvideo or lossless output, you can confirm this. The output is 29.97 (interlaced content) . When I do 'telecine=pattern=5', I wind

Re: [FFmpeg-user] ffmpeg architecture question #2

2020-04-24 Thread Mark Filipak
On 04/24/2020 11:06 PM, pdr0 wrote: Mark Filipak wrote If you take a soft telecine input, encode it directly to rawvideo or lossless output, you can confirm this. The output is 29.97 (interlaced content) . When I do 'telecine=pattern=5', I wind up with this

Re: [FFmpeg-user] ffmpeg architecture question #2

2020-04-24 Thread pdr0
Mark Filipak wrote > >> >> If you take a soft telecine input, encode it directly to rawvideo or >> lossless output, you can confirm this. >> The output is 29.97 (interlaced content) . >> >>> When I do 'telecine=pattern=5', I wind up with this >>> >>>

Re: [FFmpeg-user] ffmpeg architecture question #2

2020-04-24 Thread Mark Filipak
On 04/24/2020 01:28 PM, pdr0 wrote: Mark Filipak wrote I've been told that, for soft telecined video  the decoder is fully compliant and therefore outputs 30fps I've also been told that the 30fps is interlaced (which I found surprising) Is this correct so far? Yes If you take a soft

Re: [FFmpeg-user] ffmpeg architecture question #2

2020-04-24 Thread Mark Filipak
On 04/24/2020 01:22 PM, Carl Eugen Hoyos wrote: Am 24.04.2020 um 11:10 schrieb Mark Filipak : I've been told that, for soft telecined video the decoder is fully compliant and therefore outputs 30fps (“fps” is highly ambiguous in this sentence.) This is not correct. I believe I told you

Re: [FFmpeg-user] ffmpeg architecture question #2

2020-04-24 Thread Mark Filipak
On 04/24/2020 11:30 AM, Edward Park wrote: Hi, I don't know if the decoder outputs 30fps as is from 24fps soft telecine, but if it does, it must include the flags that you need to reconstruct the original 24 format or set it as metadata because frame stepping in ffplay (using the "s" key on

Re: [FFmpeg-user] ffmpeg architecture question #2

2020-04-24 Thread pdr0
Carl Eugen Hoyos-2 wrote >> e.g >> ffmpeg -i input.mpeg -c:v rawvideo -an output.yuv > > (Consider to test with other output formats.) What did you have in mind? e.g. ffmpeg -i input.mpeg -c:v utvideo -an output.avi The output is 29.97, according to ffmpeg and double check using official

Re: [FFmpeg-user] ffmpeg architecture question #2

2020-04-24 Thread Carl Eugen Hoyos
> Am 24.04.2020 um 19:34 schrieb pdr0 : > > Carl Eugen Hoyos-2 wrote >>> Am 24.04.2020 um 11:10 schrieb Mark Filipak > >> markfilipak.windows+ffmpeg@ > >> : >>> >>> I've been told that, for soft telecined video the decoder is fully >>> compliant and therefore outputs 30fps >> >> (“fps” is

Re: [FFmpeg-user] ffmpeg architecture question #2

2020-04-24 Thread Edward Park
Hi, > Output is actually 29.97p with 5th frame duplicates . The repeat field flags > are not taken into account. > If you use direct encode, no filters, no switches, the output from soft > telecine input video is 29.97p, where every 5th frame is a duplicate > > e.g > ffmpeg -i input.mpeg -c:v

Re: [FFmpeg-user] ffmpeg architecture question #2

2020-04-24 Thread pdr0
pdr0 wrote > If you take a soft telecine input, encode it directly to rawvideo or > lossless output, you can confirm this. > The output is 29.97 (interlaced content) . So my earlier post is incorrect Output is actually 29.97p with 5th frame duplicates . The repeat field flags are not taken

Re: [FFmpeg-user] ffmpeg architecture question #2

2020-04-24 Thread pdr0
Carl Eugen Hoyos-2 wrote >> Am 24.04.2020 um 11:10 schrieb Mark Filipak > markfilipak.windows+ffmpeg@ > : >> >> I've been told that, for soft telecined video the decoder is fully >> compliant and therefore outputs 30fps > > (“fps” is highly ambiguous in this sentence.) > > This is not

Re: [FFmpeg-user] ffmpeg architecture question #2

2020-04-24 Thread pdr0
Mark Filipak wrote >> I've been told that, for soft telecined video >>  the decoder is fully compliant and therefore outputs 30fps >> I've also been told that the 30fps is interlaced (which I found >> surprising) >> Is this correct so far? Yes If you take a soft telecine input, encode it

Re: [FFmpeg-user] ffmpeg architecture question #2

2020-04-24 Thread Carl Eugen Hoyos
> Am 24.04.2020 um 11:10 schrieb Mark Filipak > : > > I've been told that, for soft telecined video the decoder is fully compliant > and therefore outputs 30fps (“fps” is highly ambiguous in this sentence.) This is not correct. I believe I told you some time ago that this is not how the

Re: [FFmpeg-user] ffmpeg architecture question #2

2020-04-24 Thread Edward Park
Hi, I don't know if the decoder outputs 30fps as is from 24fps soft telecine, but if it does, it must include the flags that you need to reconstruct the original 24 format or set it as metadata because frame stepping in ffplay (using the "s" key on the keyboard) goes over 1/24 s progressive

Re: [FFmpeg-user] ffmpeg architecture question #2

2020-04-24 Thread Mark Filipak
On 04/24/2020 05:10 AM, Mark Filipak wrote: Hello, I've been told that, for soft telecined video |<--1/6s-->| [A/a__][B/b__][C/c__][D/d__] source  the decoder is fully compliant and therefore outputs 30fps

[FFmpeg-user] ffmpeg architecture question #2

2020-04-24 Thread Mark Filipak
Hello, I've been told that, for soft telecined video |<--1/6s-->| [A/a__][B/b__][C/c__][D/d__] source the decoder is fully compliant and therefore outputs 30fps