37 lines
1.2 KiB
Diff
37 lines
1.2 KiB
Diff
From b935f992a71593042f118d004df7afb9c7f8b2f2 Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Thu, 25 Mar 2021 18:28:40 +0000
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Subject: [PATCH] staging/bcm2835-codec: Fix support for levels 4.1 and
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4.2
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The driver said it supported H264 levels 4.1 and 4.2, but
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was missing the V4L2 to MMAL mappings.
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Add in those mappings.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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.../vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c | 11 +++++++++++
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1 file changed, 11 insertions(+)
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--- a/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
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+++ b/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
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@@ -1789,6 +1789,17 @@ static int bcm2835_codec_set_level_profi
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case V4L2_MPEG_VIDEO_H264_LEVEL_4_0:
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param.level = MMAL_VIDEO_LEVEL_H264_4;
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break;
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+ /*
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+ * Note that the hardware spec is level 4.0. Levels above that
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+ * are there for correctly encoding the headers and may not
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+ * be able to keep up with real-time.
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+ */
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+ case V4L2_MPEG_VIDEO_H264_LEVEL_4_1:
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+ param.level = MMAL_VIDEO_LEVEL_H264_41;
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+ break;
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+ case V4L2_MPEG_VIDEO_H264_LEVEL_4_2:
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+ param.level = MMAL_VIDEO_LEVEL_H264_42;
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+ break;
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default:
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/* Should never get here */
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break;
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