target/linux/bcm27xx/patches-4.19/950-0672-staging-bcm2835-codec-add-support-for-V4L2_CID_MPEG_.patch

   1 From ae6dba510ac29ef7b0e6c838fb1bcc8b9eb474b7 Mon Sep 17 00:00:00 2001
   2 From: Aman Gupta <aman@tmm1.net>
   3 Date: Thu, 22 Aug 2019 22:31:37 +0000
   4 Subject: [PATCH] staging: bcm2835-codec: add support for
   5  V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME
   6
   7 fixes #3171
   8
   9 Signed-off-by: Aman Gupta <aman@tmm1.net>
  10 ---
  11  .../bcm2835-codec/bcm2835-v4l2-codec.c        | 19 ++++++++++++++++++-
  12  1 file changed, 18 insertions(+), 1 deletion(-)
  13
  14 --- a/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
  15 +++ b/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
  16 @@ -1587,6 +1587,20 @@ static int bcm2835_codec_s_ctrl(struct v
  17                 ret = bcm2835_codec_set_level_profile(ctx, ctrl);
  18                 break;
  19
  20 +       case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME: {
  21 +               u32 mmal_bool = 1;
  22 +
  23 +               if (!ctx->component)
  24 +                       break;
  25 +
  26 +               ret = vchiq_mmal_port_parameter_set(ctx->dev->instance,
  27 +                                                   &ctx->component->output[0],
  28 +                                                   MMAL_PARAMETER_VIDEO_REQUEST_I_FRAME,
  29 +                                                   &mmal_bool,
  30 +                                                   sizeof(mmal_bool));
  31 +               break;
  32 +       }
  33 +
  34         default:
  35                 v4l2_err(&ctx->dev->v4l2_dev, "Invalid control\n");
  36                 return -EINVAL;
  37 @@ -2311,7 +2325,7 @@ static int bcm2835_codec_open(struct fil
  38         hdl = &ctx->hdl;
  39         if (dev->role == ENCODE) {
  40                 /* Encode controls */
  41 -               v4l2_ctrl_handler_init(hdl, 6);
  42 +               v4l2_ctrl_handler_init(hdl, 7);
  43
  44                 v4l2_ctrl_new_std_menu(hdl, &bcm2835_codec_ctrl_ops,
  45                                        V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
  46 @@ -2355,6 +2369,9 @@ static int bcm2835_codec_open(struct fil
  47                                          BIT(V4L2_MPEG_VIDEO_H264_PROFILE_MAIN) |
  48                                          BIT(V4L2_MPEG_VIDEO_H264_PROFILE_HIGH)),
  49                                         V4L2_MPEG_VIDEO_H264_PROFILE_HIGH);
  50 +               v4l2_ctrl_new_std(hdl, &bcm2835_codec_ctrl_ops,
  51 +                                 V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME,
  52 +                                 0, 0, 0, 0);
  53                 if (hdl->error) {
  54                         rc = hdl->error;
  55                         goto free_ctrl_handler;