Add dcpdumpimage tool.

[libdcp.git] / examples / read_dcp.cc

diff --git a/examples/read_dcp.cc b/examples/read_dcp.cc
index 998d0dc4302d9faa19519c2a80ebdcd12faa997c..f099409f81996acc5349349aac7478243b2ebe0c 100644 (file)
--- a/examples/read_dcp.cc
+++ b/examples/read_dcp.cc
@@ -36,8 +36,12 @@
 #include "openjpeg_image.h"
 #include "colour_conversion.h"
 #include "rgb_xyz.h"
+/* This DISABLE/ENABLE pair is just to ignore some warnings from Magick++.h; they
+ * can be removed.
+ */
+LIBDCP_DISABLE_WARNINGS
 #include <Magick++.h>
-#include <boost/scoped_array.hpp>
+LIBDCP_ENABLE_WARNINGS
 
 /** @file examples/read_dcp.cc
  *  @brief Shows how to read a DCP.
@@ -46,10 +50,14 @@
 int
 main ()
 {
+       /* Unless libdcp has been installed, you need to pass a path containing the "tags" folder here */
+       dcp::init(boost::filesystem::path("."));
+       Magick::InitializeMagick(nullptr);
+
        /* Create a DCP, specifying where our existing data is */
-       dcp::DCP dcp ("/home/carl/diagonal.com/APPASSIONATA_TLR_F_UK-DEFR_CH_51_2K_LOK_20121115_DGL_OV");
+       dcp::DCP dcp("/home/carl/Test_DCP");
        /* Read the DCP to find out about it */
-       dcp.read ();
+       dcp.read();
 
        if (dcp.all_encrypted()) {
                std::cout << "DCP is encrypted.\n";
@@ -60,7 +68,7 @@ main ()
        }
 
        std::cout << "DCP has " << dcp.cpls().size() << " CPLs.\n";
-       auto assets = dcp.assets ();
+       auto assets = dcp.assets();
        std::cout << "DCP has " << assets.size() << " assets.\n";
        for (auto i: assets) {
                if (std::dynamic_pointer_cast<dcp::MonoPictureAsset>(i)) {
@@ -92,14 +100,14 @@ main ()
        auto picture_frame_j2k = picture_asset_reader->get_frame(999);
 
        /* Get the frame as an XYZ image */
-       auto picture_image_xyz = picture_frame_j2k->xyz_image ();
+       auto picture_image_xyz = picture_frame_j2k->xyz_image();
 
        /* Convert to ARGB */
-       boost::scoped_array<uint8_t> rgba (new uint8_t[picture_image_xyz->size().width * picture_image_xyz->size().height * 4]);
-       dcp::xyz_to_rgba (picture_image_xyz, dcp::ColourConversion::srgb_to_xyz(), rgba.get(), picture_image_xyz->size().width * 4);
+       std::vector<uint8_t> rgba(picture_image_xyz->size().width * picture_image_xyz->size().height * 4);
+       dcp::xyz_to_rgba(picture_image_xyz, dcp::ColourConversion::srgb_to_xyz(), rgba.data(), picture_image_xyz->size().width * 4);
 
-       Magick::Image image (picture_image_xyz->size().width, picture_image_xyz->size().height, "BGRA", Magick::CharPixel, rgba.get ());
-       image.write ("frame.png");
+       Magick::Image image(picture_image_xyz->size().width, picture_image_xyz->size().height, "BGRA", Magick::CharPixel, rgba.data());
+       image.write("frame.png");
 
        return 0;
 }