/*
- Copyright (C) 2012-2019 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2020 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
#include "lib/job.h"
#include "lib/cross.h"
#include "lib/encode_server_finder.h"
+#include "lib/ffmpeg_image_proxy.h"
#include "lib/image.h"
#include "lib/ratio.h"
#include "lib/dcp_content_type.h"
#include <dcp/mono_picture_asset.h>
#include <dcp/openjpeg_image.h>
#include <asdcp/AS_DCP.h>
+#include <png.h>
#include <sndfile.h>
#include <libxml++/libxml++.h>
-#include <Magick++.h>
extern "C" {
#include <libavformat/avformat.h>
}
}
+static
+double
+rms_error (boost::filesystem::path ref, boost::filesystem::path check)
+{
+ FFmpegImageProxy ref_proxy (ref);
+ shared_ptr<Image> ref_image = ref_proxy.image().image;
+ FFmpegImageProxy check_proxy (check);
+ shared_ptr<Image> check_image = check_proxy.image().image;
+
+ BOOST_REQUIRE_EQUAL (ref_image->pixel_format(), check_image->pixel_format());
+ AVPixelFormat const format = ref_image->pixel_format();
+
+ BOOST_REQUIRE (ref_image->size() == check_image->size());
+ int const width = ref_image->size().width;
+ int const height = ref_image->size().height;
+
+ double sum_square = 0;
+ switch (format) {
+ case AV_PIX_FMT_RGBA:
+ {
+ for (int y = 0; y < height; ++y) {
+ uint8_t* p = ref_image->data()[0] + y * ref_image->stride()[0];
+ uint8_t* q = check_image->data()[0] + y * check_image->stride()[0];
+ for (int x = 0; x < width; ++x) {
+ for (int c = 0; c < 4; ++c) {
+ sum_square += pow((*p++ - *q++), 2);
+ }
+ }
+ }
+ break;
+ }
+ case AV_PIX_FMT_RGB24:
+ {
+ for (int y = 0; y < height; ++y) {
+ uint8_t* p = ref_image->data()[0] + y * ref_image->stride()[0];
+ uint8_t* q = check_image->data()[0] + y * check_image->stride()[0];
+ for (int x = 0; x < width; ++x) {
+ for (int c = 0; c < 3; ++c) {
+ sum_square += pow((*p++ - *q++), 2);
+ }
+ }
+ }
+ break;
+ }
+ case AV_PIX_FMT_RGB48BE:
+ {
+ for (int y = 0; y < height; ++y) {
+ uint16_t* p = reinterpret_cast<uint16_t*>(ref_image->data()[0] + y * ref_image->stride()[0]);
+ uint16_t* q = reinterpret_cast<uint16_t*>(check_image->data()[0] + y * check_image->stride()[0]);
+ for (int x = 0; x < width; ++x) {
+ for (int c = 0; c < 3; ++c) {
+ sum_square += pow((*p++ - *q++), 2);
+ }
+ }
+ }
+ break;
+ }
+ default:
+ BOOST_REQUIRE_MESSAGE (false, "unrecognised pixel format " << format);
+ }
+
+ return sqrt(sum_square / (height * width));
+}
+
+
+BOOST_AUTO_TEST_CASE (rms_error_test)
+{
+ BOOST_CHECK_CLOSE (rms_error("test/data/check_image0.png", "test/data/check_image0.png"), 0, 0.001);
+ BOOST_CHECK_CLOSE (rms_error("test/data/check_image0.png", "test/data/check_image1.png"), 2.2778, 0.001);
+ BOOST_CHECK_CLOSE (rms_error("test/data/check_image0.png", "test/data/check_image2.png"), 59.8896, 0.001);
+ BOOST_CHECK_CLOSE (rms_error("test/data/check_image0.png", "test/data/check_image3.png"), 0.89164, 0.001);
+}
+
+
void
check_image (boost::filesystem::path ref, boost::filesystem::path check, double threshold)
{
- using namespace MagickCore;
-
- Magick::Image ref_image;
- ref_image.read (ref.string ());
- Magick::Image check_image;
- check_image.read (check.string ());
- /* XXX: this is a hack; we really want the ImageMagick call but GraphicsMagick doesn't have it;
- this may cause random test failures on platforms that use GraphicsMagick.
- */
- double const dist = ref_image.compare(check_image, Magick::RootMeanSquaredErrorMetric);
- BOOST_CHECK_MESSAGE (dist < threshold, ref << " differs from " << check << " " << dist);
+ double const e = rms_error (ref, check);
+ BOOST_CHECK_MESSAGE (e < threshold, ref << " differs from " << check << " " << e);
}
+
void
check_file (boost::filesystem::path ref, boost::filesystem::path check)
{
return false;
}
+
+class Memory
+{
+public:
+ Memory ()
+ : data(0)
+ , size(0)
+ {}
+
+ ~Memory ()
+ {
+ free (data);
+ }
+
+ uint8_t* data;
+ size_t size;
+};
+
+
+static void
+png_write_data (png_structp png_ptr, png_bytep data, png_size_t length)
+{
+ Memory* mem = reinterpret_cast<Memory*>(png_get_io_ptr(png_ptr));
+ size_t size = mem->size + length;
+
+ if (mem->data) {
+ mem->data = reinterpret_cast<uint8_t*>(realloc(mem->data, size));
+ } else {
+ mem->data = reinterpret_cast<uint8_t*>(malloc(size));
+ }
+
+ BOOST_REQUIRE (mem->data);
+
+ memcpy (mem->data + mem->size, data, length);
+ mem->size += length;
+}
+
+
+static void
+png_flush (png_structp)
+{
+
+}
+
+
+static void
+png_error_fn (png_structp png_ptr, char const * message)
+{
+ reinterpret_cast<Image*>(png_get_error_ptr(png_ptr))->png_error (message);
+}
+
+
void
-write_image (shared_ptr<const Image> image, boost::filesystem::path file, string format, MagickCore::StorageType pixel_type)
+write_image (shared_ptr<const Image> image, boost::filesystem::path file)
{
- using namespace MagickCore;
+ int png_color_type = 0;
+ int bits_per_pixel = 0;
+ switch (image->pixel_format()) {
+ case AV_PIX_FMT_RGB24:
+ png_color_type = PNG_COLOR_TYPE_RGB;
+ bits_per_pixel = 8;
+ break;
+ case AV_PIX_FMT_XYZ12LE:
+ png_color_type = PNG_COLOR_TYPE_RGB;
+ bits_per_pixel = 16;
+ break;
+ default:
+ BOOST_REQUIRE_MESSAGE (false, "unexpected pixel format " << image->pixel_format());
+ }
+
+ /* error handling? */
+ png_structp png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, reinterpret_cast<void*>(const_cast<Image*>(image.get())), png_error_fn, 0);
+ BOOST_REQUIRE (png_ptr);
+
+ Memory state;
- Magick::Image m (image->size().width, image->size().height, format.c_str(), pixel_type, (void *) image->data()[0]);
- m.write (file.string ());
+ png_set_write_fn (png_ptr, &state, png_write_data, png_flush);
+
+ png_infop info_ptr = png_create_info_struct(png_ptr);
+ BOOST_REQUIRE (info_ptr);
+
+ png_set_IHDR (png_ptr, info_ptr, image->size().width, image->size().height, bits_per_pixel, png_color_type, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
+
+ png_byte ** row_pointers = reinterpret_cast<png_byte **>(png_malloc(png_ptr, image->size().height * sizeof(png_byte *)));
+ for (int i = 0; i < image->size().height; ++i) {
+ row_pointers[i] = (png_byte *) (image->data()[0] + i * image->stride()[0]);
+ }
+
+ png_write_info (png_ptr, info_ptr);
+ png_write_image (png_ptr, row_pointers);
+ png_write_end (png_ptr, info_ptr);
+
+ png_destroy_write_struct (&png_ptr, &info_ptr);
+ png_free (png_ptr, row_pointers);
+
+ dcp::Data(state.data, state.size).write(file);
}
+
void
check_ffmpeg (boost::filesystem::path ref, boost::filesystem::path check, int audio_tolerance)
{
projects / dcpomatic.git / blobdiff