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authorCarl Hetherington <cth@carlh.net>2013-02-26 19:47:55 +0000
committerCarl Hetherington <cth@carlh.net>2013-02-26 19:47:55 +0000
commit51b4acfbaf0e2cd8b87bb675e023d9e940febc89 (patch)
tree8faef2feecae47d240fb4b03cb30b0cdbbfcfd83 /src/lib
parent1fadfdf60bb2c02086c2c9689ea44c73bed41571 (diff)
parent8cc4b5f514795a52ad13c8d6e8527061da14a0d2 (diff)
Merge branch 'master' into plot-audio
Diffstat (limited to 'src/lib')
-rw-r--r--src/lib/image.cc71
-rw-r--r--src/lib/image.h5
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
};