[Mesa-dev] [PATCH] st/va Avoid VBR bitrate calculation overflow

[Andy Furniss]

Ignore this one un-mungled version sent.

Andy Furniss wrote:
> VBR bitrate calc needs 64 bits at high rates.
>
> Signed-off-by: Andy Furniss <adf.lists at gmail.com>
> ---
>   src/gallium/state_trackers/va/picture.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/src/gallium/state_trackers/va/picture.c
> b/src/gallium/state_trackers/va/picture.c
> index 7f3d96d..cd2dabb 100644
> --- a/src/gallium/state_trackers/va/picture.c
> +++ b/src/gallium/state_trackers/va/picture.c
> @@ -322,7 +322,7 @@ handleVAEncMiscParameterTypeRateControl(vlVaContext
> *context, VAEncMiscParameter
>          PIPE_H264_ENC_RATE_CONTROL_METHOD_CONSTANT)
>         context->desc.h264enc.rate_ctrl.target_bitrate =
> rc->bits_per_second;
>      else
> -      context->desc.h264enc.rate_ctrl.target_bitrate =
> rc->bits_per_second * rc->target_percentage / 100;
> +      context->desc.h264enc.rate_ctrl.target_bitrate = (unsigned long
> long)rc->bits_per_second * rc->target_percentage / 100;
>      context->desc.h264enc.rate_ctrl.peak_bitrate = rc->bits_per_second;
>      if (context->desc.h264enc.rate_ctrl.target_bitrate < 2000000)
>         context->desc.h264enc.rate_ctrl.vbv_buffer_size =
> MIN2((context->desc.h264enc.rate_ctrl.target_bitrate * 2.75), 2000000);