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staging/bcm2835-camera: Add support for H264 levels 4.1 and 4.2

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Whilst the hardware can't achieve the limits of level 4.2 under
all situations, it can exceed level 4.0.

Allow selection of levels 4.1 and 4.2.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
This commit is contained in:
Dave Stevenson
2021-03-25 18:34:50 +00:00
committed by Dom Cobley
parent 25a18999c4
commit 43255668c5
1 changed files with 17 additions and 2 deletions
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19
drivers/staging/vc04_services/bcm2835-camera/controls.c
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@@ -702,6 +702,8 @@ static int ctrl_set_video_encode_profile_level(struct bcm2835_mmal_dev *dev,
case V4L2_MPEG_VIDEO_H264_LEVEL_3_1:
case V4L2_MPEG_VIDEO_H264_LEVEL_3_2:
case V4L2_MPEG_VIDEO_H264_LEVEL_4_0:
case V4L2_MPEG_VIDEO_H264_LEVEL_4_1:
case V4L2_MPEG_VIDEO_H264_LEVEL_4_2:
dev->capture.enc_level = ctrl->val;
break;
default:
@@ -767,6 +769,17 @@ static int ctrl_set_video_encode_profile_level(struct bcm2835_mmal_dev *dev,
case V4L2_MPEG_VIDEO_H264_LEVEL_4_0:
param.level = MMAL_VIDEO_LEVEL_H264_4;
break;
/*
* Note that the hardware spec is level 4.0. Achieving levels
* above that depend on exactly the resolution and frame rate
* being requested.
*/
case V4L2_MPEG_VIDEO_H264_LEVEL_4_1:
param.level = MMAL_VIDEO_LEVEL_H264_41;
break;
case V4L2_MPEG_VIDEO_H264_LEVEL_4_2:
param.level = MMAL_VIDEO_LEVEL_H264_42;
break;
default:
/* Should never get here */
break;
@@ -1216,8 +1229,10 @@ static const struct bcm2835_mmal_v4l2_ctrl v4l2_ctrls[V4L2_CTRL_COUNT] = {
BIT(V4L2_MPEG_VIDEO_H264_LEVEL_3_0) |
BIT(V4L2_MPEG_VIDEO_H264_LEVEL_3_1) |
BIT(V4L2_MPEG_VIDEO_H264_LEVEL_3_2) |
BIT(V4L2_MPEG_VIDEO_H264_LEVEL_4_0)),
.max = V4L2_MPEG_VIDEO_H264_LEVEL_4_0,
BIT(V4L2_MPEG_VIDEO_H264_LEVEL_4_0) |
BIT(V4L2_MPEG_VIDEO_H264_LEVEL_4_1) |
BIT(V4L2_MPEG_VIDEO_H264_LEVEL_4_2)),
.max = V4L2_MPEG_VIDEO_H264_LEVEL_4_2,
.def = V4L2_MPEG_VIDEO_H264_LEVEL_4_0,
.step = 1,
.imenu = NULL,