git.openwrt.org Git - openwrt/staging/ldir.git/blob

   1 From 72f32ce98a5414dd6b2b20ea4e983d7cbc6eaf8b Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.com>
   3 Date: Thu, 5 Aug 2021 16:38:34 +0100
   4 Subject: [PATCH] staging/vchiq-mmal: Add parameters for interlaced
   5  video support
   6
   7 Adds enum mmal_interlace_type and struct
   8 mmal_parameter_video_interlace_type to allow for querying the
   9 interlacing mode on decoders.
  10
  11 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
  12 ---
  13  .../vchiq-mmal/mmal-parameters.h              | 37 +++++++++++++++++++
  14  1 file changed, 37 insertions(+)
  15
  16 --- a/drivers/staging/vc04_services/vchiq-mmal/mmal-parameters.h
  17 +++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-parameters.h
  18 @@ -811,6 +811,43 @@ struct mmal_parameter_displayregion {
  19         u32 alpha;
  20  };
  21
  22 +enum mmal_interlace_type {
  23 +       /* The data is not interlaced, it is progressive scan */
  24 +       MMAL_INTERLACE_PROGRESSIVE,
  25 +       /*
  26 +        * The data is interlaced, fields sent separately in temporal order, with
  27 +        * upper field first
  28 +        */
  29 +       MMAL_INTERLACE_FIELD_SINGLE_UPPER_FIRST,
  30 +       /*
  31 +        * The data is interlaced, fields sent separately in temporal order, with
  32 +        * lower field first
  33 +        */
  34 +       MMAL_INTERLACE_FIELD_SINGLE_LOWER_FIRST,
  35 +       /*
  36 +        * The data is interlaced, two fields sent together line interleaved,
  37 +        * with the upper field temporally earlier
  38 +        */
  39 +       MMAL_INTERLACE_FIELDS_INTERLEAVED_UPPER_FIRST,
  40 +       /*
  41 +        * The data is interlaced, two fields sent together line interleaved,
  42 +        * with the lower field temporally earlier
  43 +        */
  44 +       MMAL_INTERLACE_FIELDS_INTERLEAVED_LOWER_FIRST,
  45 +       /*
  46 +        * The stream may contain a mixture of progressive and interlaced
  47 +        * frames
  48 +        */
  49 +       MMAL_INTERLACE_MIXED,
  50 +
  51 +       MMAL_INTERLACE_DUMMY = 0x7FFFFFFF
  52 +};
  53 +
  54 +struct mmal_parameter_video_interlace_type {
  55 +       enum mmal_interlace_type mode;  /* The interlace type of the content */
  56 +       u32 bRepeatFirstField;          /* Whether to repeat the first field */
  57 +};
  58 +
  59  #define MMAL_MAX_IMAGEFX_PARAMETERS 5
  60
  61  struct mmal_parameter_imagefx_parameters {