[FFmpeg-user] Is FFV1 able to encode interlaced video?

[Andy Furniss]

Paul B Mahol wrote:
> On 8/10/15, Andy Furniss <adf.lists at gmail.com> wrote:
>> Paul B Mahol wrote:
>>> On 8/10/15, Andy Furniss <adf.lists at gmail.com> wrote:
>>>> Carl Eugen Hoyos wrote:
>>>>
>>>>> Please understand that there is a difference between interlaced
>>>>> content and interlaced encoding. There is no interlaced encoding with
>>>>> FFv1 because it appears not to save any bytes in the output file and
>>>>> if you have interlaced content it will be still be interlaced.
>>>>
>>>> But judging by one quick test I just did, you will loose the field order
>>>> information and the frames are marked as progressive.
>>>>
>>>> Tested with mkv and nut with ffprobe -show_frames.
>>>>
>>>> Input is y4m ffprobe shows -
>>>>
>>>> interlaced_frame=1
>>>> top_field_first=1
>>>>
>>>> both are 0 on resulting files.
>>>
>>> That is for older version, latest version keep interlaced flags.
>>
>> I think I am up to date - direct paste (ffm and ffpr are bash aliases I
>> use to run from git tree)
>
> I was talking about ffv1 encoded bitstream version.

Ahh, OK, yes it works with -level 3 which is what the OP is using already.