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| author | Carl Hetherington <cth@carlh.net> | 2024-01-03 22:20:30 +0100 |
|---|---|---|
| committer | Carl Hetherington <cth@carlh.net> | 2024-01-03 22:20:30 +0100 |
| commit | 369cb235b544c89c68ff86a00b3f8dd92a208d25 (patch) | |
| tree | 934f781a3aa2847e41571c95b69966618abdff98 | |
| parent | 85b2143644d8faf16252666f738d5fda01fc1869 (diff) | |
Add hack to make a noisy J2C frame.
| -rw-r--r-- | hacks/noise.cc | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/hacks/noise.cc b/hacks/noise.cc new file mode 100644 index 000000000..967e1a6da --- /dev/null +++ b/hacks/noise.cc @@ -0,0 +1,18 @@ +#include <dcp/openjpeg_image.h> +#include <dcp/j2k_transcode.h> + +int main() +{ + auto image = std::make_shared<dcp::OpenJPEGImage>(dcp::Size(1998, 1080)); + + for (int y = 0; y < 1080; ++y) { + for (int x = 0; x < 1998; ++x) { + for (int c = 0; c < 3; ++c ) { + image->data(c)[x + y * 1998] = rand() % 4096; + } + } + } + + dcp::compress_j2k(image, 250000000, 24, false, false).write("noise.j2c"); + return 0; +} |
