On Wed, Aug 02, 2017 at 06:08:28PM +0200, Steinar H. Gunderson wrote: > The height convention for decoding frames with only a single field made sense > for compatibility with legacy decoders, but doesn't really match the > convention > used by NDI, which is the primary (only?) user. Thus, change it to simply > assuming that if the two fields overlap, the frame is meant to be a single > field and the frame height matches the field height. >
> Also add simple FATE tests, based on output produced by the NDI SDK.
this line belongs to the ther patch
> ---
> libavcodec/speedhq.c | 15 +++++++++------
> 1 file changed, 9 insertions(+), 6 deletions(-)
>
> diff --git a/libavcodec/speedhq.c b/libavcodec/speedhq.c
> index 60efb0222b..eca45beb67 100644
> --- a/libavcodec/speedhq.c
> +++ b/libavcodec/speedhq.c
> @@ -448,12 +448,15 @@ static int speedhq_decode_frame(AVCodecContext *avctx,
> frame->key_frame = 1;
>
> if (second_field_offset == 4) {
> - /*
> - * Overlapping first and second fields is used to signal
> - * encoding only a single field (the second field then comes
> - * as a separate, later frame).
> - */
> - frame->height >>= 1;
> + /*
tabs are not allowed in ffmpeg git (except makefiles)
[...]
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