forked from Minki/linux
[media] vivid: add support for NV24 and NV42
Add support for the YUV 4:4:4 formats NV24 and NV42. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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parent
8f1ff5435d
commit
dde72bd773
drivers/media/platform/vivid
@ -123,7 +123,7 @@ int tpg_alloc(struct tpg_data *tpg, unsigned max_w)
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tpg->max_line_width = max_w;
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for (pat = 0; pat < TPG_MAX_PAT_LINES; pat++) {
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for (plane = 0; plane < TPG_MAX_PLANES; plane++) {
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unsigned pixelsz = plane ? 1 : 4;
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unsigned pixelsz = plane ? 2 : 4;
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tpg->lines[pat][plane] = vzalloc(max_w * 2 * pixelsz);
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if (!tpg->lines[pat][plane])
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@ -136,7 +136,7 @@ int tpg_alloc(struct tpg_data *tpg, unsigned max_w)
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}
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}
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for (plane = 0; plane < TPG_MAX_PLANES; plane++) {
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unsigned pixelsz = plane ? 1 : 4;
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unsigned pixelsz = plane ? 2 : 4;
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tpg->contrast_line[plane] = vzalloc(max_w * pixelsz);
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if (!tpg->contrast_line[plane])
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@ -255,6 +255,13 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
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tpg->planes = 2;
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tpg->is_yuv = true;
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break;
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case V4L2_PIX_FMT_NV24:
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case V4L2_PIX_FMT_NV42:
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tpg->vdownsampling[1] = 1;
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tpg->hdownsampling[1] = 1;
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tpg->planes = 2;
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tpg->is_yuv = true;
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break;
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case V4L2_PIX_FMT_YUYV:
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case V4L2_PIX_FMT_UYVY:
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case V4L2_PIX_FMT_YVYU:
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@ -322,6 +329,11 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
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tpg->twopixelsize[1] = 2;
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tpg->twopixelsize[2] = 2;
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break;
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case V4L2_PIX_FMT_NV24:
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case V4L2_PIX_FMT_NV42:
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tpg->twopixelsize[0] = 2;
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tpg->twopixelsize[1] = 4;
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break;
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}
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return true;
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}
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@ -826,6 +838,18 @@ static void gen_twopix(struct tpg_data *tpg,
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buf[1][1] = g_u;
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break;
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case V4L2_PIX_FMT_NV24:
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buf[0][offset] = r_y;
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buf[1][2 * offset] = g_u;
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buf[1][2 * offset + 1] = b_v;
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break;
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case V4L2_PIX_FMT_NV42:
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buf[0][offset] = r_y;
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buf[1][2 * offset] = b_v;
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buf[1][2 * offset + 1] = g_u;
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break;
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case V4L2_PIX_FMT_YUYV:
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buf[0][offset] = r_y;
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if (odd) {
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@ -143,6 +143,24 @@ struct vivid_fmt vivid_formats[] = {
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.planes = 2,
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.buffers = 1,
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},
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{
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.name = "YUV 4:4:4 biplanar",
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.fourcc = V4L2_PIX_FMT_NV24,
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.vdownsampling = { 1, 1 },
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.bit_depth = { 8, 16 },
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.is_yuv = true,
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.planes = 2,
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.buffers = 1,
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},
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{
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.name = "YVU 4:4:4 biplanar",
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.fourcc = V4L2_PIX_FMT_NV42,
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.vdownsampling = { 1, 1 },
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.bit_depth = { 8, 16 },
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.is_yuv = true,
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.planes = 2,
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.buffers = 1,
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},
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{
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.name = "Monochrome",
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.fourcc = V4L2_PIX_FMT_GREY,
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