Re: [PATCH 0/4] MR2139: Implement decompression in ir50_32 driver.

[Rémi Bernon (＠rbernon)]

Rémi Bernon (@rbernon) commented about dlls/winegstreamer/video_decoder.c:
> -
>    decoder->wg_format = wg_format;
> -
> -
>    if (FAILED(hr = MFCalculateImageSize(&subtype, decoder->wg_format.u.video.width,
> -
>        decoder->wg_format.u.video.height, &sample_size)))
> -
>        return hr;
> -
> -
>    /* keep the frame rate that was requested, GStreamer doesn't provide any */
> -
>    if (SUCCEEDED(IMFMediaType_GetUINT64(decoder->output_type, &MF_MT_FRAME_RATE, &frame_rate)))
> -
>    {
> -
>        decoder->wg_format.u.video.fps_n = frame_rate >> 32;
> -
>        decoder->wg_format.u.video.fps_d = (UINT32)frame_rate;
> -
>    }
> -
> -
>    samples[0].dwStatus |= MFT_OUTPUT_DATA_BUFFER_FORMAT_CHANGE;
> -
>    *status |= MFT_OUTPUT_DATA_BUFFER_FORMAT_CHANGE;
> - }

You can probably skip this, as you don't really support format change in the client. AFAIK it's only useful for the H264 decoder.

Instead, you can pass `NULL` in the `wg_transform_read_mf` `format` parameter.