Le mercredi 17 décembre 2025 à 11:02 +0800, ming.qian@oss.nxp.com a écrit :
> From: Ming Qian <ming.qian@oss.nxp.com>
>
> If colorspace changes, the client needs to renegotiate the pipeline,
> otherwise the decoded frame may not be displayed correctly.
>
> So add colorspace as a trigger parameter for dynamic resolution change.
>
> Signed-off-by: Ming Qian <ming.qian@oss.nxp.com>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
> ---
> Documentation/userspace-api/media/v4l/dev-decoder.rst | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/userspace-api/media/v4l/dev-decoder.rst
> b/Documentation/userspace-api/media/v4l/dev-decoder.rst
> index eb662ced0ab4..2beb6ba1b3c2 100644
> --- a/Documentation/userspace-api/media/v4l/dev-decoder.rst
> +++ b/Documentation/userspace-api/media/v4l/dev-decoder.rst
> @@ -933,7 +933,10 @@ reflected by corresponding queries):
>
> * the minimum number of buffers needed for decoding,
>
> -* bit-depth of the bitstream has been changed.
> +* bit-depth of the bitstream has been changed,
> +
> +* colorspace of the bitstream has been changed, but it doesn't require
> + buffer reallocation.
>
> Whenever that happens, the decoder must proceed as follows:
>