[FFmpeg-user] repeat a frame

Jim DeLaHunt list+ffmpeg-user at jdlh.com
Tue Mar 2 23:34:17 EET 2021

On 2021-03-02 13:13, Mark Filipak (ffmpeg) wrote:

> On 2021-03-02 15:18, Carl Eugen Hoyos wrote:
>> …timebase is not 64bit, I believe this was already mentioned.
> No, it has not been mentioned.

Mark, I can point to three times it has been mentioned, in the last 
month, in threads which you initiated.

1. https://lists.ffmpeg.org/pipermail/ffmpeg-user/2021-February/051961.html
On 2021-02-14 17:28, Paul B Mahol wrote:
> You need TB aka timebase too.
> TB is rational.
> PTS is 64bit integer.

2. https://lists.ffmpeg.org/pipermail/ffmpeg-user/2021-February/052097.html
On 2021-02-22 21:01, Jim DeLaHunt wrote:

> The Presentation Time Stamp (PTS) value which FFmpeg associates with 
> video frames and audio data is a 64-bit integer. There is an 
> associated time base attribute for each video or audio stream, which 
> gives the number of seconds between successive values of PTS. This 
> time base might be thought of as the resolution of PTS. Thus if you 
> have two PTS values pts1 and pts2, then the difference in seconds 
> between them is (pts2-pts1)*time_base. The time base can be 
> represented as a rational number, e.g. 1001/30000.…

3. https://lists.ffmpeg.org/pipermail/ffmpeg-user/2021-February/052161.html
On 2021-02-26 17:32, Jim DeLaHunt wrote:

> As I told you back on 23. February, ffmpeg uses a timebase that is a 
> rational number, and is an attribute of the video stream, and can take 
> various values. The timebase could be 1/360000, or 1/24, or 1001/24000. 

Best regards,
       —Jim DeLaHunt

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