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[media] vivid: Code refactor for color encoding

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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@gmail.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Ricardo Ribalda Delgado 2016-07-15 06:09:47 -03:00 committed by Mauro Carvalho Chehab
parent 05b6f8a552
commit 646895e936
4 changed files with 66 additions and 44 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
View File

@ -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;
@ -775,7 +775,8 @@ 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
@ -785,7 +786,9 @@ 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.
@ -818,7 +821,7 @@ 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);
@ -827,7 +830,7 @@ 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;
@ -1840,7 +1843,8 @@ 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);
@ -1887,11 +1891,24 @@ 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@%dx%d\n", tpg->crop.width, tpg->crop.height,
tpg->crop.left, tpg->crop.top);

2
drivers/media/platform/vivid/vivid-core.h
View File

@ -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;

52
drivers/media/platform/vivid/vivid-vid-common.c
View File

@ -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,
},

7
include/media/v4l2-tpg.h
View File

@ -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;