[FFmpeg-devel] [PATCH] avfilter: Port mp=softpulldown to lavfi

[Paul B Mahol]

On 1/27/15, Michael Niedermayer <michaelni at gmx.at> wrote:
> On Tue, Jan 27, 2015 at 11:14:36AM +0000, Paul B Mahol wrote:
>> Signed-off-by: Paul B Mahol <onemda at gmail.com>
>> ---
>> Not-bitexact, dunno why. Do not have actual samples to test.
>
> this change is needed:
>
> @@ -134,6 +134,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame
> *in)
>              ret = ff_filter_frame(outlink, new);
>              state = 0;
>          } else {
> +            av_frame_make_writable(out);
>              for (i = 0; i < s->nb_planes; i++) {
>                  av_image_copy_plane(out->data[i], out->linesize[i] * 2,
>                                      in->data[i], in->linesize[i] * 2,
>
> and should be ok if its bitexact with that (didnt try)

I tried this: added it right bellow out = s->frame; and it only changed speed
at which video is played. Visually it is same as before.
>
> [...]
> --
> Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
>
> No snowflake in an avalanche ever feels responsible. -- Voltaire
>