From c42a30d856fc0aa00089121f199d51aece77e57f Mon Sep 17 00:00:00 2001 From: Dave Stevenson Date: Thu, 5 Aug 2021 16:38:34 +0100 Subject: [PATCH] staging/vchiq-mmal: Add parameters for interlaced video support Adds enum mmal_interlace_type and struct mmal_parameter_video_interlace_type to allow for querying the interlacing mode on decoders. Signed-off-by: Dave Stevenson --- .../vchiq-mmal/mmal-parameters.h | 37 +++++++++++++++++++ 1 file changed, 37 insertions(+) --- a/drivers/staging/vc04_services/vchiq-mmal/mmal-parameters.h +++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-parameters.h @@ -809,6 +809,43 @@ struct mmal_parameter_displayregion { u32 alpha; }; +enum mmal_interlace_type { + /* The data is not interlaced, it is progressive scan */ + MMAL_INTERLACE_PROGRESSIVE, + /* + * The data is interlaced, fields sent separately in temporal order, with + * upper field first + */ + MMAL_INTERLACE_FIELD_SINGLE_UPPER_FIRST, + /* + * The data is interlaced, fields sent separately in temporal order, with + * lower field first + */ + MMAL_INTERLACE_FIELD_SINGLE_LOWER_FIRST, + /* + * The data is interlaced, two fields sent together line interleaved, + * with the upper field temporally earlier + */ + MMAL_INTERLACE_FIELDS_INTERLEAVED_UPPER_FIRST, + /* + * The data is interlaced, two fields sent together line interleaved, + * with the lower field temporally earlier + */ + MMAL_INTERLACE_FIELDS_INTERLEAVED_LOWER_FIRST, + /* + * The stream may contain a mixture of progressive and interlaced + * frames + */ + MMAL_INTERLACE_MIXED, + + MMAL_INTERLACE_DUMMY = 0x7FFFFFFF +}; + +struct mmal_parameter_video_interlace_type { + enum mmal_interlace_type mode; /* The interlace type of the content */ + u32 bRepeatFirstField; /* Whether to repeat the first field */ +}; + #define MMAL_MAX_IMAGEFX_PARAMETERS 5 struct mmal_parameter_imagefx_parameters {