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[media] vivid: add support for packed YUV formats

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Add support for the packed YUV formats YUV444, YUV555, YUV565 and YUV32.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Hans Verkuil 2015-03-13 06:35:40 -03:00 committed by Mauro Carvalho Chehab
parent 68cd4e9f21
commit 628821c84e
2 changed files with 72 additions and 3 deletions
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40
drivers/media/platform/vivid/vivid-tpg.c
View File

@ -212,6 +212,12 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
case V4L2_PIX_FMT_GREY:
tpg->is_yuv = false;
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;
break;
case V4L2_PIX_FMT_YUV420M:
case V4L2_PIX_FMT_YVU420M:
tpg->buffers = 3;
@ -294,6 +300,9 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
case V4L2_PIX_FMT_UYVY:
case V4L2_PIX_FMT_YVYU:
case V4L2_PIX_FMT_VYUY:
case V4L2_PIX_FMT_YUV444:
case V4L2_PIX_FMT_YUV555:
case V4L2_PIX_FMT_YUV565:
tpg->twopixelsize[0] = 2 * 2;
break;
case V4L2_PIX_FMT_RGB24:
@ -307,6 +316,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
case V4L2_PIX_FMT_XBGR32:
case V4L2_PIX_FMT_ARGB32:
case V4L2_PIX_FMT_ABGR32:
case V4L2_PIX_FMT_YUV32:
tpg->twopixelsize[0] = 2 * 4;
break;
case V4L2_PIX_FMT_GREY:
@ -713,9 +723,29 @@ static void precalculate_color(struct tpg_data *tpg, int k)
cb = clamp(cb, 16 << 4, 240 << 4);
cr = clamp(cr, 16 << 4, 240 << 4);
}
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);
y = clamp(y >> 4, 1, 254);
cb = clamp(cb >> 4, 1, 254);
cr = clamp(cr >> 4, 1, 254);
switch (tpg->fourcc) {
case V4L2_PIX_FMT_YUV444:
y >>= 4;
cb >>= 4;
cr >>= 4;
break;
case V4L2_PIX_FMT_YUV555:
y >>= 3;
cb >>= 3;
cr >>= 3;
break;
case V4L2_PIX_FMT_YUV565:
y >>= 3;
cb >>= 2;
cr >>= 3;
break;
}
tpg->colors[k][0] = y;
tpg->colors[k][1] = cb;
tpg->colors[k][2] = cr;
} else {
if (tpg->real_quantization == V4L2_QUANTIZATION_LIM_RANGE) {
r = (r * 219) / 255 + (16 << 4);
@ -909,6 +939,7 @@ static void gen_twopix(struct tpg_data *tpg,
case V4L2_PIX_FMT_RGB332:
buf[0][offset] = (r_y << 5) | (g_u << 2) | b_v;
break;
case V4L2_PIX_FMT_YUV565:
case V4L2_PIX_FMT_RGB565:
buf[0][offset] = (g_u << 5) | b_v;
buf[0][offset + 1] = (r_y << 3) | (g_u >> 3);
@ -921,6 +952,7 @@ static void gen_twopix(struct tpg_data *tpg,
case V4L2_PIX_FMT_XRGB444:
alpha = 0;
/* fall through */
case V4L2_PIX_FMT_YUV444:
case V4L2_PIX_FMT_ARGB444:
buf[0][offset] = (g_u << 4) | b_v;
buf[0][offset + 1] = (alpha & 0xf0) | r_y;
@ -929,6 +961,7 @@ static void gen_twopix(struct tpg_data *tpg,
case V4L2_PIX_FMT_XRGB555:
alpha = 0;
/* fall through */
case V4L2_PIX_FMT_YUV555:
case V4L2_PIX_FMT_ARGB555:
buf[0][offset] = (g_u << 5) | b_v;
buf[0][offset + 1] = (alpha & 0x80) | (r_y << 2) | (g_u >> 3);
@ -961,6 +994,7 @@ static void gen_twopix(struct tpg_data *tpg,
case V4L2_PIX_FMT_XRGB32:
alpha = 0;
/* fall through */
case V4L2_PIX_FMT_YUV32:
case V4L2_PIX_FMT_ARGB32:
buf[0][offset] = alpha;
buf[0][offset + 1] = r_y;

35
drivers/media/platform/vivid/vivid-vid-common.c
View File

@ -161,6 +161,41 @@ struct vivid_fmt vivid_formats[] = {
.planes = 2,
.buffers = 1,
},
{
.name = "YUV555 (LE)",
.fourcc = V4L2_PIX_FMT_YUV555, /* uuuvvvvv ayyyyyuu */
.vdownsampling = { 1 },
.bit_depth = { 16 },
.planes = 1,
.buffers = 1,
.alpha_mask = 0x8000,
},
{
.name = "YUV565 (LE)",
.fourcc = V4L2_PIX_FMT_YUV565, /* uuuvvvvv yyyyyuuu */
.vdownsampling = { 1 },
.bit_depth = { 16 },
.planes = 1,
.buffers = 1,
},
{
.name = "YUV444",
.fourcc = V4L2_PIX_FMT_YUV444, /* uuuuvvvv aaaayyyy */
.vdownsampling = { 1 },
.bit_depth = { 16 },
.planes = 1,
.buffers = 1,
.alpha_mask = 0xf000,
},
{
.name = "YUV32 (LE)",
.fourcc = V4L2_PIX_FMT_YUV32, /* ayuv */
.vdownsampling = { 1 },
.bit_depth = { 32 },
.planes = 1,
.buffers = 1,
.alpha_mask = 0x000000ff,
},
{
.name = "Monochrome",
.fourcc = V4L2_PIX_FMT_GREY,