diff options
author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2020-08-06 03:42:12 +0300 |
---|---|---|
committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2020-08-06 05:09:16 +0300 |
commit | d29a12e5d9473d9b37b817db57d29ee2b886aac8 (patch) | |
tree | 71c8748fb660e6e083a2f78e68fb2aa718f8f821 | |
parent | cdcf658d8926ac7f740da06cfe01098b7b5a081f (diff) |
kms++: Add support for the planar YUV formats
Add support for the 6 planar YUV formats (YUV and YVU, combined with
420, 422 or 444 subsampling) to the PixelFormat class, the Python API,
and the drawing utilities.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
-rw-r--r-- | kms++/inc/kms++/pixelformats.h | 7 | ||||
-rw-r--r-- | kms++/src/pixelformats.cpp | 7 | ||||
-rw-r--r-- | kms++util/inc/kms++util/kms++util.h | 1 | ||||
-rw-r--r-- | kms++util/src/drawing.cpp | 167 | ||||
-rw-r--r-- | kms++util/src/testpat.cpp | 9 | ||||
-rw-r--r-- | py/pykms/pykmsbase.cpp | 7 |
6 files changed, 190 insertions, 8 deletions
diff --git a/kms++/inc/kms++/pixelformats.h b/kms++/inc/kms++/pixelformats.h index f550f2f..746f9e2 100644 --- a/kms++/inc/kms++/pixelformats.h +++ b/kms++/inc/kms++/pixelformats.h @@ -20,6 +20,13 @@ enum class PixelFormat : uint32_t NV16 = MakeFourCC("NV16"), NV61 = MakeFourCC("NV61"), + YUV420 = MakeFourCC("YU12"), + YVU420 = MakeFourCC("YV12"), + YUV422 = MakeFourCC("YU16"), + YVU422 = MakeFourCC("YV16"), + YUV444 = MakeFourCC("YU24"), + YVU444 = MakeFourCC("YV24"), + UYVY = MakeFourCC("UYVY"), YUYV = MakeFourCC("YUYV"), YVYU = MakeFourCC("YVYU"), diff --git a/kms++/src/pixelformats.cpp b/kms++/src/pixelformats.cpp index d34df64..fe86fca 100644 --- a/kms++/src/pixelformats.cpp +++ b/kms++/src/pixelformats.cpp @@ -17,6 +17,13 @@ static const map<PixelFormat, PixelFormatInfo> format_info_array = { { PixelFormat::NV21, { PixelColorType::YUV, 2, { { 8, 1, 1, }, { 8, 2, 2 } }, } }, { PixelFormat::NV16, { PixelColorType::YUV, 2, { { 8, 1, 1, }, { 8, 2, 1 } }, } }, { PixelFormat::NV61, { PixelColorType::YUV, 2, { { 8, 1, 1, }, { 8, 2, 1 } }, } }, + /* YUV planar */ + { PixelFormat::YUV420, { PixelColorType::YUV, 3, { { 8, 1, 1, }, { 8, 2, 2 }, { 8, 2, 2 } }, } }, + { PixelFormat::YVU420, { PixelColorType::YUV, 3, { { 8, 1, 1, }, { 8, 2, 2 }, { 8, 2, 2 } }, } }, + { PixelFormat::YUV422, { PixelColorType::YUV, 3, { { 8, 1, 1, }, { 8, 2, 1 }, { 8, 2, 1 } }, } }, + { PixelFormat::YVU422, { PixelColorType::YUV, 3, { { 8, 1, 1, }, { 8, 2, 1 }, { 8, 2, 1 } }, } }, + { PixelFormat::YUV444, { PixelColorType::YUV, 3, { { 8, 1, 1, }, { 8, 1, 1 }, { 8, 1, 1 } }, } }, + { PixelFormat::YVU444, { PixelColorType::YUV, 3, { { 8, 1, 1, }, { 8, 1, 1 }, { 8, 1, 1 } }, } }, /* RGB16 */ { PixelFormat::RGB565, { PixelColorType::RGB, 1, { { 16, 1, 1 } }, } }, { PixelFormat::BGR565, { PixelColorType::RGB, 1, { { 16, 1, 1 } }, } }, diff --git a/kms++util/inc/kms++util/kms++util.h b/kms++util/inc/kms++util/kms++util.h index 62ec663..8fc6c8b 100644 --- a/kms++util/inc/kms++util/kms++util.h +++ b/kms++util/inc/kms++util/kms++util.h @@ -18,6 +18,7 @@ namespace kms class IFramebuffer; void draw_rgb_pixel(IFramebuffer& buf, unsigned x, unsigned y, RGB color); +void draw_yuv444_pixel(IFramebuffer& buf, unsigned x, unsigned y, YUV yuv); void draw_yuv422_macropixel(IFramebuffer& buf, unsigned x, unsigned y, YUV yuv1, YUV yuv2); void draw_yuv420_macropixel(IFramebuffer& buf, unsigned x, unsigned y, YUV yuv1, YUV yuv2, YUV yuv3, YUV yuv4); diff --git a/kms++util/src/drawing.cpp b/kms++util/src/drawing.cpp index a329b83..c1c639a 100644 --- a/kms++util/src/drawing.cpp +++ b/kms++util/src/drawing.cpp @@ -115,6 +115,33 @@ void draw_rgb_pixel(IFramebuffer& buf, unsigned x, unsigned y, RGB color) } } +void draw_yuv444_pixel(IFramebuffer& buf, unsigned x, unsigned y, YUV yuv) +{ + if (x >= buf.width() || y >= buf.height()) + throw runtime_error("attempt to draw outside the buffer"); + + uint8_t *py = (uint8_t*)(buf.map(0) + buf.stride(0) * y + x); + uint8_t *pu = (uint8_t*)(buf.map(1) + buf.stride(1) * y + x); + uint8_t *pv = (uint8_t*)(buf.map(2) + buf.stride(2) * y + x); + + switch (buf.format()) { + case PixelFormat::YUV444: + py[0] = yuv.y; + pu[0] = yuv.u; + pv[0] = yuv.v; + break; + + case PixelFormat::YVU444: + py[0] = yuv.y; + pu[0] = yuv.v; + pv[0] = yuv.u; + break; + + default: + throw std::invalid_argument("invalid pixelformat"); + } +} + static void draw_yuv422_packed_macropixel(IFramebuffer& buf, unsigned x, unsigned y, YUV yuv1, YUV yuv2) { @@ -190,6 +217,38 @@ static void draw_yuv422_semiplanar_macropixel(IFramebuffer& buf, unsigned x, uns } } +static void draw_yuv422_planar_macropixel(IFramebuffer& buf, unsigned x, unsigned y, + YUV yuv1, YUV yuv2) +{ + uint8_t *py = (uint8_t*)(buf.map(0) + buf.stride(0) * y + x); + uint8_t *pu = (uint8_t*)(buf.map(1) + buf.stride(1) * y + x / 2); + uint8_t *pv = (uint8_t*)(buf.map(2) + buf.stride(2) * y + x / 2); + + uint8_t y0 = yuv1.y; + uint8_t y1 = yuv2.y; + uint8_t u = (yuv1.u + yuv2.u) / 2; + uint8_t v = (yuv1.v + yuv2.v) / 2; + + switch (buf.format()) { + case PixelFormat::YUV422: + py[0] = y0; + py[1] = y1; + pu[0] = u; + pv[0] = v; + break; + + case PixelFormat::YVU422: + py[0] = y0; + py[1] = y1; + pu[0] = v; + pv[0] = u; + break; + + default: + throw std::invalid_argument("invalid pixelformat"); + } +} + void draw_yuv422_macropixel(IFramebuffer& buf, unsigned x, unsigned y, YUV yuv1, YUV yuv2) { if ((x + 1) >= buf.width() || y >= buf.height()) @@ -210,20 +269,19 @@ void draw_yuv422_macropixel(IFramebuffer& buf, unsigned x, unsigned y, YUV yuv1, draw_yuv422_semiplanar_macropixel(buf, x, y, yuv1, yuv2); break; + case PixelFormat::YUV422: + case PixelFormat::YVU422: + draw_yuv422_planar_macropixel(buf, x, y, yuv1, yuv2); + break; + default: throw std::invalid_argument("invalid pixelformat"); } } -void draw_yuv420_macropixel(IFramebuffer& buf, unsigned x, unsigned y, - YUV yuv1, YUV yuv2, YUV yuv3, YUV yuv4) +static void draw_yuv420_semiplanar_macropixel(IFramebuffer& buf, unsigned x, unsigned y, + YUV yuv1, YUV yuv2, YUV yuv3, YUV yuv4) { - if ((x + 1) >= buf.width() || (y + 1) >= buf.height()) - throw runtime_error("attempt to draw outside the buffer"); - - ASSERT((x & 1) == 0); - ASSERT((y & 1) == 0); - uint8_t *py1 = (uint8_t*)(buf.map(0) + buf.stride(0) * (y + 0) + x); uint8_t *py2 = (uint8_t*)(buf.map(0) + buf.stride(0) * (y + 1) + x); @@ -260,6 +318,71 @@ void draw_yuv420_macropixel(IFramebuffer& buf, unsigned x, unsigned y, } } +static void draw_yuv420_planar_macropixel(IFramebuffer& buf, unsigned x, unsigned y, + YUV yuv1, YUV yuv2, YUV yuv3, YUV yuv4) +{ + uint8_t *py1 = (uint8_t*)(buf.map(0) + buf.stride(0) * (y + 0) + x); + uint8_t *py2 = (uint8_t*)(buf.map(0) + buf.stride(0) * (y + 1) + x); + + uint8_t *pu = (uint8_t*)(buf.map(1) + buf.stride(1) * (y / 2) + x / 2); + uint8_t *pv = (uint8_t*)(buf.map(2) + buf.stride(2) * (y / 2) + x / 2); + + uint8_t y0 = yuv1.y; + uint8_t y1 = yuv2.y; + uint8_t y2 = yuv3.y; + uint8_t y3 = yuv4.y; + uint8_t u = (yuv1.u + yuv2.u + yuv3.u + yuv4.u) / 4; + uint8_t v = (yuv1.v + yuv2.v + yuv3.v + yuv4.v) / 4; + + switch (buf.format()) { + case PixelFormat::YUV420: + py1[0] = y0; + py1[1] = y1; + py2[0] = y2; + py2[1] = y3; + pu[0] = u; + pv[0] = v; + break; + + case PixelFormat::YVU420: + py1[0] = y0; + py1[1] = y1; + py2[0] = y2; + py2[1] = y3; + pu[0] = v; + pv[0] = u; + break; + + default: + throw std::invalid_argument("invalid pixelformat"); + } +} + +void draw_yuv420_macropixel(IFramebuffer& buf, unsigned x, unsigned y, + YUV yuv1, YUV yuv2, YUV yuv3, YUV yuv4) +{ + if ((x + 1) >= buf.width() || (y + 1) >= buf.height()) + throw runtime_error("attempt to draw outside the buffer"); + + ASSERT((x & 1) == 0); + ASSERT((y & 1) == 0); + + switch (buf.format()) { + case PixelFormat::NV12: + case PixelFormat::NV21: + draw_yuv420_semiplanar_macropixel(buf, x, y, yuv1, yuv2, yuv3, yuv4); + break; + + case PixelFormat::YUV420: + case PixelFormat::YVU420: + draw_yuv420_planar_macropixel(buf, x, y, yuv1, yuv2, yuv3, yuv4); + break; + + default: + throw std::invalid_argument("invalid pixelformat"); + } +} + void draw_rect(IFramebuffer &fb, uint32_t x, uint32_t y, uint32_t w, uint32_t h, RGB color) { unsigned i, j; @@ -283,12 +406,23 @@ void draw_rect(IFramebuffer &fb, uint32_t x, uint32_t y, uint32_t w, uint32_t h, } break; + case PixelFormat::YUV444: + case PixelFormat::YVU444: + for (j = 0; j < h; j++) { + for (i = 0; i < w; i++) { + draw_yuv444_pixel(fb, x + i, y + j, yuvcolor); + } + } + break; + case PixelFormat::UYVY: case PixelFormat::YUYV: case PixelFormat::YVYU: case PixelFormat::VYUY: case PixelFormat::NV16: case PixelFormat::NV61: + case PixelFormat::YUV422: + case PixelFormat::YVU422: for (j = 0; j < h; j++) { for (i = 0; i < w; i += 2) { draw_yuv422_macropixel(fb, x + i, y + j, yuvcolor, yuvcolor); @@ -298,6 +432,8 @@ void draw_rect(IFramebuffer &fb, uint32_t x, uint32_t y, uint32_t w, uint32_t h, case PixelFormat::NV12: case PixelFormat::NV21: + case PixelFormat::YUV420: + case PixelFormat::YVU420: for (j = 0; j < h; j += 2) { for (i = 0; i < w; i += 2) { draw_yuv420_macropixel(fb, x + i, y + j, @@ -361,12 +497,25 @@ static void draw_char(IFramebuffer& buf, uint32_t xpos, uint32_t ypos, char c, R } break; + case PixelFormat::YUV444: + case PixelFormat::YVU444: + for (y = 0; y < 8; y++) { + for (x = 0; x < 8; x++) { + bool b = get_char_pixel(c, x, y); + + draw_yuv444_pixel(buf, xpos + x, ypos + y, b ? yuvcolor : YUV(RGB())); + } + } + break; + case PixelFormat::UYVY: case PixelFormat::YUYV: case PixelFormat::YVYU: case PixelFormat::VYUY: case PixelFormat::NV16: case PixelFormat::NV61: + case PixelFormat::YUV422: + case PixelFormat::YVU422: for (y = 0; y < 8; y++) { for (x = 0; x < 8; x += 2) { bool b0 = get_char_pixel(c, x, y); @@ -380,6 +529,8 @@ static void draw_char(IFramebuffer& buf, uint32_t xpos, uint32_t ypos, char c, R case PixelFormat::NV12: case PixelFormat::NV21: + case PixelFormat::YUV420: + case PixelFormat::YVU420: for (y = 0; y < 8; y += 2) { for (x = 0; x < 8; x += 2) { bool b00 = get_char_pixel(c, x, y); diff --git a/kms++util/src/testpat.cpp b/kms++util/src/testpat.cpp index c120de3..ac38673 100644 --- a/kms++util/src/testpat.cpp +++ b/kms++util/src/testpat.cpp @@ -120,6 +120,15 @@ static void draw_test_pattern_part(IFramebuffer& fb, unsigned start_y, unsigned case PixelColorType::YUV: switch (plane_info.xsub + plane_info.ysub) { + case 2: + for (y = start_y; y < end_y; y++) { + for (x = 0; x < w; x++) { + RGB pixel = get_test_pattern_pixel(fb, x, y); + draw_yuv444_pixel(fb, x, y, pixel.yuv(yuvt)); + } + } + break; + case 3: for (y = start_y; y < end_y; y++) { for (x = 0; x < w; x += 2) { diff --git a/py/pykms/pykmsbase.cpp b/py/pykms/pykmsbase.cpp index 003ad3c..3e6defc 100644 --- a/py/pykms/pykmsbase.cpp +++ b/py/pykms/pykmsbase.cpp @@ -181,6 +181,13 @@ void init_pykmsbase(py::module &m) .value("NV16", PixelFormat::NV16) .value("NV61", PixelFormat::NV61) + .value("YUV420", PixelFormat::YUV420) + .value("YVU420", PixelFormat::YVU420) + .value("YUV422", PixelFormat::YUV422) + .value("YVU422", PixelFormat::YVU422) + .value("YUV444", PixelFormat::YUV444) + .value("YVU444", PixelFormat::YVU444) + .value("UYVY", PixelFormat::UYVY) .value("YUYV", PixelFormat::YUYV) .value("YVYU", PixelFormat::YVYU) |