diff options
| author | Carl Hetherington <cth@carlh.net> | 2013-02-26 19:47:55 +0000 |
|---|---|---|
| committer | Carl Hetherington <cth@carlh.net> | 2013-02-26 19:47:55 +0000 |
| commit | 51b4acfbaf0e2cd8b87bb675e023d9e940febc89 (patch) | |
| tree | 8faef2feecae47d240fb4b03cb30b0cdbbfcfd83 /src/lib | |
| parent | 1fadfdf60bb2c02086c2c9689ea44c73bed41571 (diff) | |
| parent | 8cc4b5f514795a52ad13c8d6e8527061da14a0d2 (diff) | |
Merge branch 'master' into plot-audio
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/image.cc | 71 | ||||
| -rw-r--r-- | src/lib/image.h | 5 |
2 files changed, 65 insertions, 11 deletions
diff --git a/src/lib/image.cc b/src/lib/image.cc index f38d44185..b7ac13ab1 100644 --- a/src/lib/image.cc +++ b/src/lib/image.cc @@ -69,6 +69,10 @@ Image::lines (int n) const case PIX_FMT_YUV422P10LE: case PIX_FMT_YUV422P: case PIX_FMT_YUV444P: + case PIX_FMT_YUV444P9BE: + case PIX_FMT_YUV444P9LE: + case PIX_FMT_YUV444P10BE: + case PIX_FMT_YUV444P10LE: return size().height; default: throw PixelFormatError ("lines()", _pixel_format); @@ -86,6 +90,10 @@ Image::components () const case PIX_FMT_YUV422P10LE: case PIX_FMT_YUV422P: case PIX_FMT_YUV444P: + case PIX_FMT_YUV444P9BE: + case PIX_FMT_YUV444P9LE: + case PIX_FMT_YUV444P10BE: + case PIX_FMT_YUV444P10LE: return 3; case PIX_FMT_RGB24: case PIX_FMT_RGBA: @@ -204,6 +212,10 @@ Image::post_process (string pp, bool aligned) const pp_format = PP_FORMAT_422; break; case PIX_FMT_YUV444P: + case PIX_FMT_YUV444P9BE: + case PIX_FMT_YUV444P9LE: + case PIX_FMT_YUV444P10BE: + case PIX_FMT_YUV444P10LE: pp_format = PP_FORMAT_444; default: throw PixelFormatError ("post_process", pixel_format()); @@ -252,9 +264,37 @@ Image::crop (Crop crop, bool aligned) const return out; } +/** Blacken a YUV image whose bits per pixel is rounded up to 16 */ +void +Image::yuv_16_black (uint16_t v) +{ + memset (data()[0], 0, lines(0) * stride()[0]); + for (int i = 1; i < 3; ++i) { + int16_t* p = reinterpret_cast<int16_t*> (data()[i]); + for (int y = 0; y < size().height; ++y) { + for (int x = 0; x < line_size()[i] / 2; ++x) { + p[x] = v; + } + p += stride()[i] / 2; + } + } +} + +uint16_t +Image::swap_16 (uint16_t v) +{ + return ((v >> 8) & 0xff) | ((v & 0xff) << 8); +} + void Image::make_black () { + /* 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; + switch (_pixel_format) { case PIX_FMT_YUV420P: case PIX_FMT_YUV422P: @@ -264,19 +304,25 @@ Image::make_black () memset (data()[2], 0x7f, lines(2) * stride()[2]); break; + case PIX_FMT_YUV422P9LE: + case PIX_FMT_YUV444P9LE: + yuv_16_black (nine_bit_uv); + break; + + case PIX_FMT_YUV422P9BE: + case PIX_FMT_YUV444P9BE: + yuv_16_black (swap_16 (nine_bit_uv)); + break; + case PIX_FMT_YUV422P10LE: - memset (data()[0], 0, lines(0) * stride()[0]); - for (int i = 1; i < 3; ++i) { - int16_t* p = reinterpret_cast<int16_t*> (data()[i]); - for (int y = 0; y < size().height; ++y) { - for (int x = 0; x < line_size()[i] / 2; ++x) { - p[x] = (1 << 9) - 1; - } - p += stride()[i] / 2; - } - } + case PIX_FMT_YUV444P10LE: + yuv_16_black (ten_bit_uv); break; + case PIX_FMT_YUV444P10BE: + case PIX_FMT_YUV422P10BE: + yuv_16_black (swap_16 (ten_bit_uv)); + case PIX_FMT_RGB24: memset (data()[0], 0, lines(0) * stride()[0]); break; @@ -382,6 +428,11 @@ Image::bytes_per_pixel (int c) const } case PIX_FMT_YUV444P: return 3; + case PIX_FMT_YUV444P9BE: + case PIX_FMT_YUV444P9LE: + case PIX_FMT_YUV444P10LE: + case PIX_FMT_YUV444P10BE: + return 6; default: assert (false); } diff --git a/src/lib/image.h b/src/lib/image.h index f40ea9280..6b9ade99e 100644 --- a/src/lib/image.h +++ b/src/lib/image.h @@ -92,7 +92,10 @@ protected: virtual void swap (Image &); float bytes_per_pixel (int) const; -private: +private: + void yuv_16_black (uint16_t); + static uint16_t swap_16 (uint16_t); + AVPixelFormat _pixel_format; ///< FFmpeg's way of describing the pixel format of this Image }; |
