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openwrt/target/linux/bcm27xx/patches-5.4/950-0188-staging-bcm2835_co...

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From c2740ccf8d92b25940ddda20abd4c4f5b97f235c Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.org>
Date: Fri, 15 Feb 2019 11:36:14 +0000
Subject: [PATCH] staging: bcm2835_codec: Add an option for ignoring
Bayer formats.
This is a workaround for GStreamer currently not identifying Bayer
as a raw format, therefore any device that supports it does not
match the criteria for v4l2convert.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
---
.../bcm2835-codec/bcm2835-v4l2-codec.c | 29 ++++++++++++++++++-
1 file changed, 28 insertions(+), 1 deletion(-)
--- a/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
+++ b/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
@@ -58,6 +58,15 @@ static int isp_video_nr = 12;
module_param(isp_video_nr, int, 0644);
MODULE_PARM_DESC(isp_video_nr, "isp video device number");
+/*
+ * Workaround for GStreamer v4l2convert component not considering Bayer formats
+ * as raw, and therefore not considering a V4L2 device that supports them as
+ * as a suitable candidate.
+ */
+static bool disable_bayer;
+module_param(disable_bayer, bool, 0644);
+MODULE_PARM_DESC(disable_bayer, "Disable support for Bayer formats");
+
static unsigned int debug;
module_param(debug, uint, 0644);
MODULE_PARM_DESC(debug, "activates debug info (0-3)");
@@ -105,6 +114,7 @@ struct bcm2835_codec_fmt {
u32 flags;
u32 mmal_fmt;
int size_multiplier_x2;
+ bool is_bayer;
};
static const struct bcm2835_codec_fmt supported_formats[] = {
@@ -203,6 +213,7 @@ static const struct bcm2835_codec_fmt su
.flags = 0,
.mmal_fmt = MMAL_ENCODING_BAYER_SRGGB8,
.size_multiplier_x2 = 2,
+ .is_bayer = true,
}, {
.fourcc = V4L2_PIX_FMT_SBGGR8,
.depth = 8,
@@ -210,6 +221,7 @@ static const struct bcm2835_codec_fmt su
.flags = 0,
.mmal_fmt = MMAL_ENCODING_BAYER_SBGGR8,
.size_multiplier_x2 = 2,
+ .is_bayer = true,
}, {
.fourcc = V4L2_PIX_FMT_SGRBG8,
.depth = 8,
@@ -217,6 +229,7 @@ static const struct bcm2835_codec_fmt su
.flags = 0,
.mmal_fmt = MMAL_ENCODING_BAYER_SGRBG8,
.size_multiplier_x2 = 2,
+ .is_bayer = true,
}, {
.fourcc = V4L2_PIX_FMT_SGBRG8,
.depth = 8,
@@ -224,6 +237,7 @@ static const struct bcm2835_codec_fmt su
.flags = 0,
.mmal_fmt = MMAL_ENCODING_BAYER_SGBRG8,
.size_multiplier_x2 = 2,
+ .is_bayer = true,
}, {
/* 10 bit */
.fourcc = V4L2_PIX_FMT_SRGGB10P,
@@ -232,6 +246,7 @@ static const struct bcm2835_codec_fmt su
.flags = 0,
.mmal_fmt = MMAL_ENCODING_BAYER_SRGGB10P,
.size_multiplier_x2 = 2,
+ .is_bayer = true,
}, {
.fourcc = V4L2_PIX_FMT_SBGGR10P,
.depth = 10,
@@ -239,6 +254,7 @@ static const struct bcm2835_codec_fmt su
.flags = 0,
.mmal_fmt = MMAL_ENCODING_BAYER_SBGGR10P,
.size_multiplier_x2 = 2,
+ .is_bayer = true,
}, {
.fourcc = V4L2_PIX_FMT_SGRBG10P,
.depth = 10,
@@ -246,6 +262,7 @@ static const struct bcm2835_codec_fmt su
.flags = 0,
.mmal_fmt = MMAL_ENCODING_BAYER_SGRBG10P,
.size_multiplier_x2 = 2,
+ .is_bayer = true,
}, {
.fourcc = V4L2_PIX_FMT_SGBRG10P,
.depth = 10,
@@ -253,6 +270,7 @@ static const struct bcm2835_codec_fmt su
.flags = 0,
.mmal_fmt = MMAL_ENCODING_BAYER_SGBRG10P,
.size_multiplier_x2 = 2,
+ .is_bayer = true,
}, {
/* 12 bit */
.fourcc = V4L2_PIX_FMT_SRGGB12P,
@@ -261,6 +279,7 @@ static const struct bcm2835_codec_fmt su
.flags = 0,
.mmal_fmt = MMAL_ENCODING_BAYER_SRGGB12P,
.size_multiplier_x2 = 2,
+ .is_bayer = true,
}, {
.fourcc = V4L2_PIX_FMT_SBGGR12P,
.depth = 12,
@@ -268,6 +287,7 @@ static const struct bcm2835_codec_fmt su
.flags = 0,
.mmal_fmt = MMAL_ENCODING_BAYER_SBGGR12P,
.size_multiplier_x2 = 2,
+ .is_bayer = true,
}, {
.fourcc = V4L2_PIX_FMT_SGRBG12P,
.depth = 12,
@@ -275,6 +295,7 @@ static const struct bcm2835_codec_fmt su
.flags = 0,
.mmal_fmt = MMAL_ENCODING_BAYER_SGRBG12P,
.size_multiplier_x2 = 2,
+ .is_bayer = true,
}, {
.fourcc = V4L2_PIX_FMT_SGBRG12P,
.depth = 12,
@@ -282,6 +303,7 @@ static const struct bcm2835_codec_fmt su
.flags = 0,
.mmal_fmt = MMAL_ENCODING_BAYER_SGBRG12P,
.size_multiplier_x2 = 2,
+ .is_bayer = true,
}, {
/* 16 bit */
.fourcc = V4L2_PIX_FMT_SRGGB16,
@@ -290,6 +312,7 @@ static const struct bcm2835_codec_fmt su
.flags = 0,
.mmal_fmt = MMAL_ENCODING_BAYER_SRGGB16,
.size_multiplier_x2 = 2,
+ .is_bayer = true,
}, {
.fourcc = V4L2_PIX_FMT_SBGGR16,
.depth = 16,
@@ -297,6 +320,7 @@ static const struct bcm2835_codec_fmt su
.flags = 0,
.mmal_fmt = MMAL_ENCODING_BAYER_SBGGR16,
.size_multiplier_x2 = 2,
+ .is_bayer = true,
}, {
.fourcc = V4L2_PIX_FMT_SGRBG16,
.depth = 16,
@@ -304,6 +328,7 @@ static const struct bcm2835_codec_fmt su
.flags = 0,
.mmal_fmt = MMAL_ENCODING_BAYER_SGRBG16,
.size_multiplier_x2 = 2,
+ .is_bayer = true,
}, {
.fourcc = V4L2_PIX_FMT_SGBRG16,
.depth = 16,
@@ -311,6 +336,7 @@ static const struct bcm2835_codec_fmt su
.flags = 0,
.mmal_fmt = MMAL_ENCODING_BAYER_SGBRG16,
.size_multiplier_x2 = 2,
+ .is_bayer = true,
}, {
/* Compressed formats */
.fourcc = V4L2_PIX_FMT_H264,
@@ -438,7 +464,8 @@ static const struct bcm2835_codec_fmt *g
unsigned int i;
for (i = 0; i < ARRAY_SIZE(supported_formats); i++) {
- if (supported_formats[i].mmal_fmt == mmal_fmt)
+ if (supported_formats[i].mmal_fmt == mmal_fmt &&
+ (!disable_bayer || !supported_formats[i].is_bayer))
return &supported_formats[i];
}
return NULL;