diff options
Diffstat (limited to 'src/lib/image.cc')
| -rw-r--r-- | src/lib/image.cc | 45 |
1 files changed, 33 insertions, 12 deletions
diff --git a/src/lib/image.cc b/src/lib/image.cc index 49acdb5c2..7da2edef9 100644 --- a/src/lib/image.cc +++ b/src/lib/image.cc @@ -59,6 +59,15 @@ using dcp::Size; /** The memory alignment, in bytes, used for each row of an image if aligment is requested */ #define ALIGNMENT 64 +/* 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; +/* U/V black value for 10-bit colour */ +static uint16_t const ten_bit_uv = (1 << 9) - 1; +/* U/V black value for 16-bit colour */ +static uint16_t const sixteen_bit_uv = (1 << 15) - 1; + int Image::vertical_factor (int n) const @@ -377,7 +386,7 @@ Image::swap_16 (uint16_t v) } void -Image::make_part_black (int x, int w) +Image::make_part_black (int const start, int const width) { switch (_pixel_format) { case AV_PIX_FMT_RGB24: @@ -395,12 +404,33 @@ Image::make_part_black (int x, int w) int const s = stride()[0]; uint8_t* p = data()[0]; for (int y = 0; y < h; y++) { - memset (p + x * bpp, 0, w * bpp); + memset (p + start * bpp, 0, width * bpp); p += s; } break; } - + case AV_PIX_FMT_YUV422P10LE: + { + int const bpp_0 = bytes_per_pixel(0); + int const h_0 = sample_size(0).height; + int const stride_0 = stride()[0]; + auto p = data()[0]; + for (int y = 0; y < h_0; ++y) { + memset (p + start * bpp_0, 0xff, width * bpp_0); + p += stride_0; + } + for (int i = 1; i < 3; ++i) { + auto p = reinterpret_cast<int16_t*>(data()[i]); + int const lines = sample_size(i).height; + for (int y = 0; y < lines; ++y) { + for (int x = start / 2; x < (start + width) / 2; ++x) { + p[x] = ten_bit_uv; + } + p += stride()[i] / 2; + } + } + break; + } default: throw PixelFormatError ("make_part_black()", _pixel_format); } @@ -409,15 +439,6 @@ Image::make_part_black (int x, int w) 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; - /* U/V black value for 10-bit colour */ - static uint16_t const ten_bit_uv = (1 << 9) - 1; - /* U/V black value for 16-bit colour */ - static uint16_t const sixteen_bit_uv = (1 << 15) - 1; - switch (_pixel_format) { case AV_PIX_FMT_YUV420P: case AV_PIX_FMT_YUV422P: |