diff options
| author | Carl Hetherington <cth@carlh.net> | 2013-03-21 11:27:23 +0000 |
|---|---|---|
| committer | Carl Hetherington <cth@carlh.net> | 2013-03-21 11:27:23 +0000 |
| commit | fec9770dd454fdb6902180322fd3d221f2c86ed2 (patch) | |
| tree | efc714807d12600dc54909cf0af9a81214823201 /src/lib | |
| parent | 26dc7c1147f615adcaf0fd43a8b5bd8eb04ace62 (diff) | |
Try to support UYVY422 (#82).
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/image.cc | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/src/lib/image.cc b/src/lib/image.cc index 268c08173..2355d22e5 100644 --- a/src/lib/image.cc +++ b/src/lib/image.cc @@ -75,6 +75,7 @@ Image::lines (int n) const case PIX_FMT_YUV444P9LE: case PIX_FMT_YUV444P10BE: case PIX_FMT_YUV444P10LE: + case PIX_FMT_UYVY422: return size().height; default: throw PixelFormatError (N_("lines()"), _pixel_format); @@ -99,6 +100,7 @@ Image::components () const return 3; case PIX_FMT_RGB24: case PIX_FMT_RGBA: + case PIX_FMT_UYVY422: return 1; default: throw PixelFormatError (N_("components()"), _pixel_format); @@ -211,6 +213,7 @@ Image::post_process (string pp, bool aligned) const break; case PIX_FMT_YUV422P10LE: case PIX_FMT_YUV422P: + case PIX_FMT_UYVY422: pp_format = PP_FORMAT_422; break; case PIX_FMT_YUV444P: @@ -291,6 +294,9 @@ Image::swap_16 (uint16_t v) void Image::make_black () { + /* U/V black value for 8-bit colour */ + static uint8_t const eight_bit_uv = (1 << 7) - 1; + /* U/V black value for 9-bit colour */ static uint16_t const nine_bit_uv = (1 << 8) - 1; @@ -302,8 +308,8 @@ Image::make_black () case PIX_FMT_YUV422P: case PIX_FMT_YUV444P: memset (data()[0], 0, lines(0) * stride()[0]); - memset (data()[1], 0x7f, lines(1) * stride()[1]); - memset (data()[2], 0x7f, lines(2) * stride()[2]); + memset (data()[1], eight_bit_uv, lines(1) * stride()[1]); + memset (data()[2], eight_bit_uv, lines(2) * stride()[2]); break; case PIX_FMT_YUV422P9LE: @@ -329,8 +335,24 @@ Image::make_black () memset (data()[0], 0, lines(0) * stride()[0]); break; + case PIX_FMT_UYVY422: + { + int const Y = lines(0); + int const X = line_size()[0]; + uint8_t* p = data()[0]; + for (int y = 0; y < Y; ++y) { + for (int x = 0; x < X / 4; ++x) { + *p++ = eight_bit_uv; // Cb + *p++ = 0; // Y0 + *p++ = eight_bit_uv; // Cr + *p++ = 0; // Y1 + } + } + break; + } + default: - assert (false); + throw PixelFormatError (N_("make_black()"), _pixel_format); } } @@ -428,6 +450,8 @@ Image::bytes_per_pixel (int c) const } else { return 1; } + case PIX_FMT_UYVY422: + return 2; case PIX_FMT_YUV444P: return 3; case PIX_FMT_YUV444P9BE: @@ -436,7 +460,7 @@ Image::bytes_per_pixel (int c) const case PIX_FMT_YUV444P10BE: return 6; default: - assert (false); + throw PixelFormatError (N_("bytes_per_pixel()"), _pixel_format); } return 0; |