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Date: Mon, 18 Jul 2016 14:42:08 +0200
From: Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
To: Jonathan Corbet <corbet@....net>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Hans Verkuil <hverkuil@...all.nl>,
Markus Heiser <markus.heiser@...marIT.de>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Helen Mae Koike Fornazier <helen.koike@...labora.co.uk>,
Antti Palosaari <crope@....fi>,
Philipp Zabel <p.zabel@...gutronix.de>,
Shuah Khan <shuahkh@....samsung.com>,
linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-media@...r.kernel.org
Cc: Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
Subject: [PATCH v4 04/12] [media] vivid: Code refactor for color encoding
Replace is_yuv with color_enc Which can be used by other
color encodings such us HSV.
This change should ease the review of the following patches.
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
---
drivers/media/common/v4l2-tpg/v4l2-tpg-core.c | 49 +++++++++++++++--------
drivers/media/platform/vivid/vivid-core.h | 2 +-
drivers/media/platform/vivid/vivid-vid-common.c | 52 ++++++++++++-------------
include/media/v4l2-tpg.h | 7 +++-
4 files changed, 66 insertions(+), 44 deletions(-)
diff --git a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
index 3ec3cebe62b9..4d0c9ab408da 100644
--- a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
+++ b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
@@ -237,13 +237,13 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
case V4L2_PIX_FMT_GREY:
case V4L2_PIX_FMT_Y16:
case V4L2_PIX_FMT_Y16_BE:
- tpg->is_yuv = false;
+ tpg->color_enc = TGP_COLOR_ENC_RGB;
break;
case V4L2_PIX_FMT_YUV444:
case V4L2_PIX_FMT_YUV555:
case V4L2_PIX_FMT_YUV565:
case V4L2_PIX_FMT_YUV32:
- tpg->is_yuv = true;
+ tpg->color_enc = TGP_COLOR_ENC_YCBCR;
break;
case V4L2_PIX_FMT_YUV420M:
case V4L2_PIX_FMT_YVU420M:
@@ -256,7 +256,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
tpg->hdownsampling[1] = 2;
tpg->hdownsampling[2] = 2;
tpg->planes = 3;
- tpg->is_yuv = true;
+ tpg->color_enc = TGP_COLOR_ENC_YCBCR;
break;
case V4L2_PIX_FMT_YUV422M:
case V4L2_PIX_FMT_YVU422M:
@@ -268,7 +268,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
tpg->hdownsampling[1] = 2;
tpg->hdownsampling[2] = 2;
tpg->planes = 3;
- tpg->is_yuv = true;
+ tpg->color_enc = TGP_COLOR_ENC_YCBCR;
break;
case V4L2_PIX_FMT_NV16M:
case V4L2_PIX_FMT_NV61M:
@@ -280,7 +280,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
tpg->hdownsampling[1] = 1;
tpg->hmask[1] = ~1;
tpg->planes = 2;
- tpg->is_yuv = true;
+ tpg->color_enc = TGP_COLOR_ENC_YCBCR;
break;
case V4L2_PIX_FMT_NV12M:
case V4L2_PIX_FMT_NV21M:
@@ -292,7 +292,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
tpg->hdownsampling[1] = 1;
tpg->hmask[1] = ~1;
tpg->planes = 2;
- tpg->is_yuv = true;
+ tpg->color_enc = TGP_COLOR_ENC_YCBCR;
break;
case V4L2_PIX_FMT_YUV444M:
case V4L2_PIX_FMT_YVU444M:
@@ -302,21 +302,21 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
tpg->vdownsampling[2] = 1;
tpg->hdownsampling[1] = 1;
tpg->hdownsampling[2] = 1;
- tpg->is_yuv = true;
+ tpg->color_enc = TGP_COLOR_ENC_YCBCR;
break;
case V4L2_PIX_FMT_NV24:
case V4L2_PIX_FMT_NV42:
tpg->vdownsampling[1] = 1;
tpg->hdownsampling[1] = 1;
tpg->planes = 2;
- tpg->is_yuv = true;
+ tpg->color_enc = TGP_COLOR_ENC_YCBCR;
break;
case V4L2_PIX_FMT_YUYV:
case V4L2_PIX_FMT_UYVY:
case V4L2_PIX_FMT_YVYU:
case V4L2_PIX_FMT_VYUY:
tpg->hmask[0] = ~1;
- tpg->is_yuv = true;
+ tpg->color_enc = TGP_COLOR_ENC_YCBCR;
break;
default:
return false;
@@ -777,7 +777,8 @@ static void precalculate_color(struct tpg_data *tpg, int k)
* Remember that r, g and b are still in the 0 - 0xff0 range.
*/
if (tpg->real_rgb_range == V4L2_DV_RGB_RANGE_LIMITED &&
- tpg->rgb_range == V4L2_DV_RGB_RANGE_FULL && !tpg->is_yuv) {
+ tpg->rgb_range == V4L2_DV_RGB_RANGE_FULL &&
+ tpg->color_enc == TGP_COLOR_ENC_RGB) {
/*
* Convert from full range (which is what r, g and b are)
* to limited range (which is the 'real' RGB range), which
@@ -787,7 +788,9 @@ static void precalculate_color(struct tpg_data *tpg, int k)
g = (g * 219) / 255 + (16 << 4);
b = (b * 219) / 255 + (16 << 4);
} else if (tpg->real_rgb_range != V4L2_DV_RGB_RANGE_LIMITED &&
- tpg->rgb_range == V4L2_DV_RGB_RANGE_LIMITED && !tpg->is_yuv) {
+ tpg->rgb_range == V4L2_DV_RGB_RANGE_LIMITED &&
+ tpg->color_enc == TGP_COLOR_ENC_RGB) {
+
/*
* Clamp r, g and b to the limited range and convert to full
* range since that's what we deliver.
@@ -820,7 +823,7 @@ static void precalculate_color(struct tpg_data *tpg, int k)
cb = (128 << 4) + (tmp_cb * tpg->contrast * tpg->saturation) / (128 * 128);
cr = (128 << 4) + (tmp_cr * tpg->contrast * tpg->saturation) / (128 * 128);
- if (tpg->is_yuv) {
+ if (tpg->color_enc == TGP_COLOR_ENC_YCBCR) {
tpg->colors[k][0] = clamp(y >> 4, 1, 254);
tpg->colors[k][1] = clamp(cb >> 4, 1, 254);
tpg->colors[k][2] = clamp(cr >> 4, 1, 254);
@@ -829,7 +832,7 @@ static void precalculate_color(struct tpg_data *tpg, int k)
ycbcr_to_color(tpg, y, cb, cr, &r, &g, &b);
}
- if (tpg->is_yuv) {
+ if (tpg->color_enc == TGP_COLOR_ENC_YCBCR) {
/* Convert to YCbCr */
int y, cb, cr;
@@ -1842,7 +1845,8 @@ static void tpg_recalc(struct tpg_data *tpg)
if (tpg->quantization == V4L2_QUANTIZATION_DEFAULT)
tpg->real_quantization =
- V4L2_MAP_QUANTIZATION_DEFAULT(!tpg->is_yuv,
+ V4L2_MAP_QUANTIZATION_DEFAULT(
+ tpg->color_enc != TGP_COLOR_ENC_YCBCR,
tpg->colorspace, tpg->real_ycbcr_enc);
tpg_precalculate_colors(tpg);
@@ -1889,11 +1893,24 @@ static int tpg_pattern_avg(const struct tpg_data *tpg,
return -1;
}
+static const char *tpg_color_enc_str(enum tgp_color_enc
+ color_enc)
+{
+ switch (color_enc) {
+ case TGP_COLOR_ENC_YCBCR:
+ return "Y'CbCr";
+ case TGP_COLOR_ENC_RGB:
+ default:
+ return "R'G'B";
+
+ }
+}
+
void tpg_log_status(struct tpg_data *tpg)
{
pr_info("tpg source WxH: %ux%u (%s)\n",
- tpg->src_width, tpg->src_height,
- tpg->is_yuv ? "YCbCr" : "RGB");
+ tpg->src_width, tpg->src_height,
+ tpg_color_enc_str(tpg->color_enc));
pr_info("tpg field: %u\n", tpg->field);
pr_info("tpg crop: %ux%u@...%d\n", tpg->crop.width, tpg->crop.height,
tpg->crop.left, tpg->crop.top);
diff --git a/drivers/media/platform/vivid/vivid-core.h b/drivers/media/platform/vivid/vivid-core.h
index a7daa40d0a49..b59b49456d45 100644
--- a/drivers/media/platform/vivid/vivid-core.h
+++ b/drivers/media/platform/vivid/vivid-core.h
@@ -80,7 +80,7 @@ extern unsigned vivid_debug;
struct vivid_fmt {
u32 fourcc; /* v4l2 format id */
- bool is_yuv;
+ enum tgp_color_enc color_enc;
bool can_do_overlay;
u8 vdownsampling[TPG_MAX_PLANES];
u32 alpha_mask;
diff --git a/drivers/media/platform/vivid/vivid-vid-common.c b/drivers/media/platform/vivid/vivid-vid-common.c
index fcda3ae4e6b0..f4c35ba5f070 100644
--- a/drivers/media/platform/vivid/vivid-vid-common.c
+++ b/drivers/media/platform/vivid/vivid-vid-common.c
@@ -48,7 +48,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_YUYV,
.vdownsampling = { 1 },
.bit_depth = { 16 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 1,
.buffers = 1,
.data_offset = { PLANE0_DATA_OFFSET },
@@ -57,7 +57,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_UYVY,
.vdownsampling = { 1 },
.bit_depth = { 16 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 1,
.buffers = 1,
},
@@ -65,7 +65,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_YVYU,
.vdownsampling = { 1 },
.bit_depth = { 16 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 1,
.buffers = 1,
},
@@ -73,7 +73,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_VYUY,
.vdownsampling = { 1 },
.bit_depth = { 16 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 1,
.buffers = 1,
},
@@ -81,7 +81,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_YUV422P,
.vdownsampling = { 1, 1, 1 },
.bit_depth = { 8, 4, 4 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 3,
.buffers = 1,
},
@@ -89,7 +89,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_YUV420,
.vdownsampling = { 1, 2, 2 },
.bit_depth = { 8, 4, 4 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 3,
.buffers = 1,
},
@@ -97,7 +97,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_YVU420,
.vdownsampling = { 1, 2, 2 },
.bit_depth = { 8, 4, 4 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 3,
.buffers = 1,
},
@@ -105,7 +105,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_NV12,
.vdownsampling = { 1, 2 },
.bit_depth = { 8, 8 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 2,
.buffers = 1,
},
@@ -113,7 +113,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_NV21,
.vdownsampling = { 1, 2 },
.bit_depth = { 8, 8 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 2,
.buffers = 1,
},
@@ -121,7 +121,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_NV16,
.vdownsampling = { 1, 1 },
.bit_depth = { 8, 8 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 2,
.buffers = 1,
},
@@ -129,7 +129,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_NV61,
.vdownsampling = { 1, 1 },
.bit_depth = { 8, 8 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 2,
.buffers = 1,
},
@@ -137,7 +137,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_NV24,
.vdownsampling = { 1, 1 },
.bit_depth = { 8, 16 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 2,
.buffers = 1,
},
@@ -145,7 +145,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_NV42,
.vdownsampling = { 1, 1 },
.bit_depth = { 8, 16 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 2,
.buffers = 1,
},
@@ -184,7 +184,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_GREY,
.vdownsampling = { 1 },
.bit_depth = { 8 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 1,
.buffers = 1,
},
@@ -192,7 +192,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_Y16,
.vdownsampling = { 1 },
.bit_depth = { 16 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 1,
.buffers = 1,
},
@@ -200,7 +200,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_Y16_BE,
.vdownsampling = { 1 },
.bit_depth = { 16 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 1,
.buffers = 1,
},
@@ -452,7 +452,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_NV16M,
.vdownsampling = { 1, 1 },
.bit_depth = { 8, 8 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 2,
.buffers = 2,
.data_offset = { PLANE0_DATA_OFFSET, 0 },
@@ -461,7 +461,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_NV61M,
.vdownsampling = { 1, 1 },
.bit_depth = { 8, 8 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 2,
.buffers = 2,
.data_offset = { 0, PLANE0_DATA_OFFSET },
@@ -470,7 +470,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_YUV420M,
.vdownsampling = { 1, 2, 2 },
.bit_depth = { 8, 4, 4 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 3,
.buffers = 3,
},
@@ -478,7 +478,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_YVU420M,
.vdownsampling = { 1, 2, 2 },
.bit_depth = { 8, 4, 4 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 3,
.buffers = 3,
},
@@ -486,7 +486,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_NV12M,
.vdownsampling = { 1, 2 },
.bit_depth = { 8, 8 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 2,
.buffers = 2,
},
@@ -494,7 +494,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_NV21M,
.vdownsampling = { 1, 2 },
.bit_depth = { 8, 8 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 2,
.buffers = 2,
},
@@ -502,7 +502,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_YUV422M,
.vdownsampling = { 1, 1, 1 },
.bit_depth = { 8, 4, 4 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 3,
.buffers = 3,
},
@@ -510,7 +510,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_YVU422M,
.vdownsampling = { 1, 1, 1 },
.bit_depth = { 8, 4, 4 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 3,
.buffers = 3,
},
@@ -518,7 +518,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_YUV444M,
.vdownsampling = { 1, 1, 1 },
.bit_depth = { 8, 8, 8 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 3,
.buffers = 3,
},
@@ -526,7 +526,7 @@ struct vivid_fmt vivid_formats[] = {
.fourcc = V4L2_PIX_FMT_YVU444M,
.vdownsampling = { 1, 1, 1 },
.bit_depth = { 8, 8, 8 },
- .is_yuv = true,
+ .color_enc = TGP_COLOR_ENC_YCBCR,
.planes = 3,
.buffers = 3,
},
diff --git a/include/media/v4l2-tpg.h b/include/media/v4l2-tpg.h
index 329bebfa930c..b4cb8f34cd87 100644
--- a/include/media/v4l2-tpg.h
+++ b/include/media/v4l2-tpg.h
@@ -87,6 +87,11 @@ enum tpg_move_mode {
TPG_MOVE_POS_FAST,
};
+enum tgp_color_enc {
+ TGP_COLOR_ENC_RGB,
+ TGP_COLOR_ENC_YCBCR,
+};
+
extern const char * const tpg_aspect_strings[];
#define TPG_MAX_PLANES 3
@@ -119,7 +124,7 @@ struct tpg_data {
u8 saturation;
s16 hue;
u32 fourcc;
- bool is_yuv;
+ enum tgp_color_enc color_enc;
u32 colorspace;
u32 xfer_func;
u32 ycbcr_enc;
--
2.8.1
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