Re: [FFmpeg-user] Question about tmix filter

2019-03-06 Thread Michael Koch
Am 06.03.2019 um 21:53 schrieb Paul B Mahol: On 3/6/19, Michael Koch wrote: Am 06.03.2019 um 20:45 schrieb Paul B Mahol: Your interpretation of test results is invalid. You should count frames. Well, I did run the video in VLC and measure the duration with a stopwatch, and it is 5 seconds.

Re: [FFmpeg-user] Question about tmix filter

2019-03-06 Thread Paul B Mahol
On 3/6/19, Michael Koch wrote: > Am 06.03.2019 um 20:45 schrieb Paul B Mahol: >> > Your interpretation of test results is invalid. > You should count frames. Well, I did run the video in VLC and measure the duration with a stopwatch, and it is 5 seconds. Below is the FFprobe

Re: [FFmpeg-user] Question about tmix filter

2019-03-06 Thread Michael Koch
Am 06.03.2019 um 20:45 schrieb Paul B Mahol: Your interpretation of test results is invalid. You should count frames. Well, I did run the video in VLC and measure the duration with a stopwatch, and it is 5 seconds. Below is the FFprobe output. How can I count the frames? Old fashioned way -

Re: [FFmpeg-user] Question about tmix filter

2019-03-06 Thread Paul B Mahol
On 3/6/19, Paul B Mahol wrote: > On 3/6/19, Michael Koch wrote: >> Am 06.03.2019 um 20:17 schrieb Paul B Mahol: >>> On 3/6/19, Michael Koch wrote: Am 06.03.2019 um 17:12 schrieb Paul B Mahol: > On 3/6/19, Michael Koch wrote: >> I'd like to know which frames does the tmix filter

Re: [FFmpeg-user] Question about tmix filter

2019-03-06 Thread Paul B Mahol
On 3/6/19, Michael Koch wrote: > Am 06.03.2019 um 20:17 schrieb Paul B Mahol: >> On 3/6/19, Michael Koch wrote: >>> Am 06.03.2019 um 17:12 schrieb Paul B Mahol: On 3/6/19, Michael Koch wrote: > I'd like to know which frames does the tmix filter use for averaging. > Let's assume

Re: [FFmpeg-user] Question about tmix filter

2019-03-06 Thread Michael Koch
Am 06.03.2019 um 20:17 schrieb Paul B Mahol: On 3/6/19, Michael Koch wrote: Am 06.03.2019 um 17:12 schrieb Paul B Mahol: On 3/6/19, Michael Koch wrote: I'd like to know which frames does the tmix filter use for averaging. Let's assume tmix=frames=9. To make the n_th frame of the output

Re: [FFmpeg-user] Question about tmix filter

2019-03-06 Thread Paul B Mahol
On 3/6/19, Michael Koch wrote: > Am 06.03.2019 um 17:12 schrieb Paul B Mahol: >> On 3/6/19, Michael Koch wrote: >>> I'd like to know which frames does the tmix filter use for averaging. >>> Let's assume tmix=frames=9. >>> To make the n_th frame of the output video, does it use input frames n-8

Re: [FFmpeg-user] Question about tmix filter

2019-03-06 Thread Michael Koch
Am 06.03.2019 um 17:12 schrieb Paul B Mahol: On 3/6/19, Michael Koch wrote: I'd like to know which frames does the tmix filter use for averaging. Let's assume tmix=frames=9. To make the n_th frame of the output video, does it use input frames n-8 to n, or n-4 to n+4, or n to n+8? How does the

Re: [FFmpeg-user] Question about tmix filter

2019-03-06 Thread Paul B Mahol
On 3/6/19, Michael Koch wrote: > I'd like to know which frames does the tmix filter use for averaging. > Let's assume tmix=frames=9. > To make the n_th frame of the output video, does it use input frames n-8 > to n, or n-4 to n+4, or n to n+8? > How does the filter behave at the beginning and end