/** 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
}
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:
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);
}
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:
private:
friend struct pixel_formats_test;
+ friend struct make_part_black_test;
void allocate ();
void swap (Image &);
#include "lib/compose.hpp"
#include "lib/image.h"
+#include "lib/image_content.h"
+#include "lib/image_decoder.h"
#include "lib/ffmpeg_image_proxy.h"
#include "test.h"
#include <boost/test/unit_test.hpp>
fade_test_format_red (AV_PIX_FMT_RGB48LE, 1, "rgb48le_100");
}
+
/** Make sure the image isn't corrupted if it is cropped too much. This can happen when a
* filler 128x128 black frame is emitted from the FFmpegDecoder and the overall crop in either direction
* is greater than 128 pixels.
extern "C" {
#include <libavutil/pixfmt.h>
}
+#include "lib/ffmpeg_image_proxy.h"
#include "lib/image.h"
using std::list;
+using boost::shared_ptr;
BOOST_AUTO_TEST_CASE (make_black_test)
{
++N;
}
}
+
+
+BOOST_AUTO_TEST_CASE (make_part_black_test)
+{
+ shared_ptr<FFmpegImageProxy> proxy (new FFmpegImageProxy("test/data/flat_red.png"));
+ shared_ptr<Image> original = proxy->image().first;
+
+ list<AVPixelFormat> pix_fmts = {
+ AV_PIX_FMT_RGB24,
+ AV_PIX_FMT_ARGB,
+ AV_PIX_FMT_RGBA,
+ AV_PIX_FMT_ABGR,
+ AV_PIX_FMT_BGRA,
+ AV_PIX_FMT_YUV422P10LE,
+ };
+
+ list<std::pair<int, int> > positions = {
+ { 0, 256 },
+ { 128, 64 },
+ };
+
+ int N = 0;
+ for (list<AVPixelFormat>::const_iterator i = pix_fmts.begin(); i != pix_fmts.end(); ++i) {
+ for (list<std::pair<int, int> >::const_iterator j = positions.begin(); j != positions.end(); ++j) {
+ shared_ptr<Image> foo = original->convert_pixel_format(dcp::YUV_TO_RGB_REC601, *i, true, false);
+ foo->make_part_black (j->first, j->second);
+ shared_ptr<Image> bar = foo->convert_pixel_format (dcp::YUV_TO_RGB_REC601, AV_PIX_FMT_RGB24, true, false);
+
+ uint8_t* p = bar->data()[0];
+ for (int y = 0; y < bar->size().height; ++y) {
+ uint8_t* q = p;
+ for (int x = 0; x < bar->size().width; ++x) {
+ int r = *q++;
+ int g = *q++;
+ int b = *q++;
+ if (x >= j->first && x < (j->first + j->second)) {
+ BOOST_CHECK_MESSAGE (
+ r < 3, "red=" << static_cast<int>(r) << " at x=" << x << " format " << *i << " from " << j->first << " width " << j->second
+ );
+ } else {
+ BOOST_CHECK_MESSAGE (
+ r >= 252, "red=" << static_cast<int>(r) << " at x=" << x << " format " << *i << " from " << j->first << " width " << j->second
+ );
+
+ }
+ BOOST_CHECK_MESSAGE (
+ g == 0, "green=" << static_cast<int>(g) << " at x=" << x << " format " << *i << " from " << j->first << " width " << j->second
+ );
+ BOOST_CHECK_MESSAGE (
+ b == 0, "blue=" << static_cast<int>(b) << " at x=" << x << " format " << *i << " from " << j->first << " width " << j->second
+ );
+ }
+ p += bar->stride()[0];
+ }
+
+ ++N;
+ }
+ }
+}
+