[FFmpeg-user] I found the bugs

[Mark Filipak]

On 11/06/2024 13.00, Paul B Mahol wrote:
> On Tue, Jun 11, 2024 at 6:20 PM Mark Filipak <markfilipak.imdb at gmail.com>
> wrote:
> 
>> This is a spliced video.
>>
>> The Good:
>> VLC and PowerDVD play it flawlessly. The splice is technically perfect.
>> An MPEG-2 TS packet analyser says so. I trust what it says because what
>> it says matches my cuts and it matches what '-f framecrc' says. The
>> commands that made the segments and the splice are at the bottom of this
>> message but you probably don't need to look at them. I include them for
>> completeness. When the cuts were made, FFmpeg had no complaints
>> whatsoever. When the concatenation was made, FFmpeg had no complaints
>> whatsoever.
>>
>>
> what -c copy -f framecrc  shows ?

Sorry, Paul, I don't know what you're getting at. Would you kindly make that a real sentence.

> Also note that 1.5 is rounded ...

Thank you. The documentation doesn't say whether rounded or truncated. Now I know.

>... to 2.0 not 1.0, so make sure that set pts/dts
> rounding is actually correct.
> You can round inside expressions, using round/floor/ceil/etc.

To round to a valid TS at an actual frame boundary, it's a little more complicated than that, Paul.