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

   1 From b935f992a71593042f118d004df7afb9c7f8b2f2 Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.com>
   3 Date: Thu, 25 Mar 2021 18:28:40 +0000
   4 Subject: [PATCH] staging/bcm2835-codec: Fix support for levels 4.1 and
   5  4.2
   6
   7 The driver said it supported H264 levels 4.1 and 4.2, but
   8 was missing the V4L2 to MMAL mappings.
   9
  10 Add in those mappings.
  11
  12 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
  13 ---
  14  .../vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c  | 11 +++++++++++
  15  1 file changed, 11 insertions(+)
  16
  17 --- a/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
  18 +++ b/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
  19 @@ -1789,6 +1789,17 @@ static int bcm2835_codec_set_level_profi
  20                 case V4L2_MPEG_VIDEO_H264_LEVEL_4_0:
  21                         param.level = MMAL_VIDEO_LEVEL_H264_4;
  22                         break;
  23 +               /*
  24 +                * Note that the hardware spec is level 4.0. Levels above that
  25 +                * are there for correctly encoding the headers and may not
  26 +                * be able to keep up with real-time.
  27 +                */
  28 +               case V4L2_MPEG_VIDEO_H264_LEVEL_4_1:
  29 +                       param.level = MMAL_VIDEO_LEVEL_H264_41;
  30 +                       break;
  31 +               case V4L2_MPEG_VIDEO_H264_LEVEL_4_2:
  32 +                       param.level = MMAL_VIDEO_LEVEL_H264_42;
  33 +                       break;
  34                 default:
  35                         /* Should never get here */
  36                         break;