Re: [PATCH v13 0/7] MR3938: winegstreamer: Implement CLSID_CMpegVideoCodec

[Zebediah Figura (＠zfigura)]

Zebediah Figura (@zfigura) commented about dlls/winegstreamer/quartz_transform.c:
> +        return VFW_S_NO_MORE_ITEMS;
> +
> +    input_format = (MPEG1VIDEOINFO*)filter->sink.pin.mt.pbFormat;
> +
> +    output_format = CoTaskMemAlloc(sizeof(*output_format));
> +    if (!output_format)
> +        return E_OUTOFMEMORY;
> +
> +    memcpy(output_format, &input_format->hdr, sizeof(VIDEOINFOHEADER));
> +    output_format->bmiHeader.biPlanes = 1;
> +    output_format->bmiHeader.biBitCount = video_types[index].bits_per_pixel;
> +    output_format->bmiHeader.biCompression = video_types[index].compression;
> +    output_format->bmiHeader.biSizeImage =
> +        wg_format_get_bytes_for_uncompressed(video_types[index].wg_format,
> +            output_format->bmiHeader.biWidth, output_format->bmiHeader.biHeight);
> +    output_format->dwBitRate = MulDiv(output_format->bmiHeader.biSizeImage * 8, 10000000, output_format->AvgTimePerFrame);
> We have amt_from_wg_format(), that should be usable here.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/3938#note_48906