[FFmpeg-user] Difference Between -t and -to Options?

[Sam Logan]

On 9/21/13, Paul B Mahol <onemda at gmail.com> wrote:
> On 9/21/13, Sam Logan <shapableline at gmail.com> wrote:
>> On 9/21/13, Paul B Mahol <onemda at gmail.com> wrote:
>>>> So what situation is there in which -t and -to would ever be different?
>>>
>>> When you do not use -copy.
>>
>> No, that makes no difference. I just tested with
>>
>> ffmpeg -ss 00:00:30 -i "Input.mp4" -t 00:01:00 "Output1.mkv"
>> ffmpeg -ss 00:00:30 -i "Input.mp4" -to 00:01:00 "Output2.mkv"
>
> You said 'ever'. And than take one made up example to prove that point.

I don't understand what you mean. I asked when -t and -to would ever
be different. You said they are different when one does not use -copy.
So I tested without -copy, but the files were still the same.