Re: [FFmpeg-user] problem with fast seeking and splitting

2022-05-02 Thread Alexander Solonsky via ffmpeg-user
> On 5/1/2022 10:27 PM, Alexander Solonsky via ffmpeg-user wrote: >> I'm trying to split an input file into 2 second chunks, transcode and >> assemble using a concat muxer. > I hate to question the question, but what's the purpose of this process? > Generally speaking, you're better off

Re: [FFmpeg-user] problem with fast seeking and splitting

2022-05-02 Thread Carl Zwanzig
On 5/1/2022 10:27 PM, Alexander Solonsky via ffmpeg-user wrote: I'm trying to split an input file into 2 second chunks, transcode and assemble using a concat muxer. I hate to question the question, but what's the purpose of this process? Generally speaking, you're better off transcoding in a

Re: [FFmpeg-user] problem with fast seeking and splitting

2022-05-02 Thread Ferdi Scholten
On 02-05-2022 10:18, Paul B Mahol wrote: On Mon, May 2, 2022 at 9:54 AM Alexander Solonsky < alexander.solon...@castlabs.com> wrote: Monday, May 2, 2022, 2:21:17 PM, you wrote: On Mon, May 2, 2022 at 7:27 AM Alexander Solonsky via ffmpeg-user < ffmpeg-user@ffmpeg.org> wrote: Dear

Re: [FFmpeg-user] problem with fast seeking and splitting

2022-05-02 Thread Paul B Mahol
On Mon, May 2, 2022 at 9:54 AM Alexander Solonsky < alexander.solon...@castlabs.com> wrote: > Monday, May 2, 2022, 2:21:17 PM, you wrote: > > > > > On Mon, May 2, 2022 at 7:27 AM Alexander Solonsky via ffmpeg-user < > ffmpeg-user@ffmpeg.org> wrote: > >> Dear Experts, >> >> I'm trying to split an

Re: [FFmpeg-user] problem with fast seeking and splitting

2022-05-02 Thread Alexander Solonsky via ffmpeg-user
Monday, May 2, 2022, 2:21:17 PM, you wrote: > On Mon, May 2, 2022 at 7:27 AM Alexander Solonsky via ffmpeg-user > wrote: >> Dear Experts, >> I'm trying to split an input file into 2 second chunks, transcode and >> assemble using a concat muxer. And experiencing two problems: >> major one:

Re: [FFmpeg-user] problem with fast seeking and splitting

2022-05-02 Thread Paul B Mahol
On Mon, May 2, 2022 at 7:27 AM Alexander Solonsky via ffmpeg-user < ffmpeg-user@ffmpeg.org> wrote: > Dear Experts, > > I'm trying to split an input file into 2 second chunks, transcode and > assemble using a concat muxer. And experiencing two problems: > major one: > 1) when using ffmpeg -ss

[FFmpeg-user] problem with fast seeking and splitting

2022-05-01 Thread Alexander Solonsky via ffmpeg-user
Dear Experts, I'm trying to split an input file into 2 second chunks, transcode and assemble using a concat muxer. And experiencing two problems: major one: 1) when using ffmpeg -ss 00:00:08 -t 2 -i -c:v libx264 instead of seeking to second 8, ffmpeg seeks somewhere to second 15 or so.