Add basic example; tweak bits and pieces.

12 files changed, 90 insertions, 6 deletions

diff --git a/examples/help.j2c b/examples/help.j2c
new file mode 100644
index 00000000..5ff1afb0
--- /dev/null
+++ b/examples/help.j2c
diff --git a/examples/help.png b/examples/help.png
new file mode 100644
index 00000000..a192abc7
--- /dev/null
+++ b/examples/help.png
diff --git a/examples/make_dcp.cc b/examples/make_dcp.cc
new file mode 100644
index 00000000..71e15427
--- /dev/null
+++ b/examples/make_dcp.cc
@@ -0,0 +1,58 @@
+/*
+    Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include <vector>
+#include <string>
+#include <sigc++/sigc++.h>
+#include "dcp.h"
+#include "picture_asset.h"
+#include "sound_asset.h"
+#include "reel.h"
+
+std::string
+video_frame (int /* frame */)
+{
+	return "examples/help.j2c";
+}
+
+int
+main ()
+{
+	libdcp::DCP dcp ("My Film DCP", "My Film", libdcp::FEATURE, 24, 48);
+
+	boost::shared_ptr<libdcp::MonoPictureAsset> picture_asset (
+		new libdcp::MonoPictureAsset (sigc::ptr_fun (&video_frame), "My Film DCP", "video.mxf", 0, 24, 48, 1998, 1080)
+		);
+
+	std::vector<std::string> sound_files;
+	sound_files.push_back ("examples/sine_440_-12dB.wav");
+	sound_files.push_back ("examples/sine_880_-12dB.wav");
+	
+	boost::shared_ptr<libdcp::SoundAsset> sound_asset (
+		new libdcp::SoundAsset (sound_files, "My Film DCP", "audio.mxf", 0, 24, 48)
+		);
+
+	dcp.add_reel (
+		boost::shared_ptr<libdcp::Reel> (
+			new libdcp::Reel (picture_asset, sound_asset, boost::shared_ptr<libdcp::SubtitleAsset> ())
+			)
+		);
+
+	dcp.write_xml ();
+}
diff --git a/examples/sine_440_-12dB.wav b/examples/sine_440_-12dB.wav
new file mode 100644
index 00000000..e213d8c8
--- /dev/null
+++ b/examples/sine_440_-12dB.wav
diff --git a/examples/sine_880_-12dB.wav b/examples/sine_880_-12dB.wav
new file mode 100644
index 00000000..772799bb
--- /dev/null
+++ b/examples/sine_880_-12dB.wav
diff --git a/examples/wscript b/examples/wscript
new file mode 100644
index 00000000..b6b28653
--- /dev/null
+++ b/examples/wscript
@@ -0,0 +1,7 @@
+def build(bld):
+    obj = bld(features = 'cxx cxxprogram')
+    obj.name   = 'examples'
+    obj.use    = 'libdcp'
+    obj.source = 'make_dcp.cc'
+    obj.target = 'make_dcp'
+    obj.install_path = ''
diff --git a/run/examples/make_dcp b/run/examples/make_dcp
new file mode 100755
index 00000000..1649c0c6
--- /dev/null
+++ b/run/examples/make_dcp
@@ -0,0 +1,12 @@
+#!/bin/bash
+
+export LD_LIBRARY_PATH=build/src
+if [ "$1" == "--debug" ]; then
+    shift
+    gdb --args build/examples/make_dcp "$@"
+elif [ "$1" == "--valgrind" ]; then
+    shift
+    valgrind --tool="memcheck" --leak-check=full --show-reachable=yes build/examples/make_dcp "$@"
+else
+    build/examples/make_dcp "$@"
+fi
diff --git a/run/dcpdiff b/run/tools/dcpdiff
index ab21937c..ab21937c 100755
--- a/run/dcpdiff
+++ b/run/tools/dcpdiff
diff --git a/src/dcp.cc b/src/dcp.cc
index 65a6a826..d3c5367b 100644
--- a/src/dcp.cc
+++ b/src/dcp.cc
@@ -52,7 +52,7 @@ DCP::DCP (string directory, string name, ContentKind content_kind, int fps, int
 	, _fps (fps)
 	, _length (length)
 {
-	
+	filesystem::create_directories (directory);
 }
 
 void
@@ -274,8 +274,8 @@ DCP::DCP (string directory)
 			p = (*i)->asset_list->main_stereoscopic_picture;
 		}
 		
-		assert (_fps == 0 || _fps == p->frame_rate.numerator);
-		_fps = p->frame_rate.numerator;
+		assert (_fps == 0 || _fps == p->edit_rate.numerator);
+		_fps = p->edit_rate.numerator;
 		_length += p->duration;
 
 		shared_ptr<PictureAsset> picture;
diff --git a/src/picture_asset.cc b/src/picture_asset.cc
index 3fbc0947..abc902d4 100644
--- a/src/picture_asset.cc
+++ b/src/picture_asset.cc
@@ -280,6 +280,8 @@ MonoPictureAsset::construct (sigc::slot<string, int> get_path)
 	for (int i = 0; i < _length; ++i) {
 
 		string const path = get_path (i);
+
+		cout << "reading " << path << "\n";
 		
 		if (ASDCP_FAILURE (j2k_parser.OpenReadFrame (path.c_str(), frame_buffer))) {
 			throw FileError ("could not open JPEG2000 file for reading", path);
@@ -289,8 +291,10 @@ MonoPictureAsset::construct (sigc::slot<string, int> get_path)
 		if (ASDCP_FAILURE (mxf_writer.WriteFrame (frame_buffer, 0, 0))) {
 			throw MiscError ("error in writing video MXF");
 		}
-		
-		(*_progress) (0.5 * float (i) / _length);
+
+		if (_progress) {
+			(*_progress) (0.5 * float (i) / _length);
+		}
 	}
 	
 	if (ASDCP_FAILURE (mxf_writer.Finalize())) {
diff --git a/src/sound_asset.cc b/src/sound_asset.cc
index 75ca3a76..732bb610 100644
--- a/src/sound_asset.cc
+++ b/src/sound_asset.cc
@@ -170,7 +170,9 @@ SoundAsset::construct (sigc::slot<string, Channel> get_path)
 			throw MiscError ("could not write audio MXF frame");
 		}
 
-		(*_progress) (0.5 * float (i) / _length);
+		if (_progress) {
+			(*_progress) (0.5 * float (i) / _length);
+		}
 	}
 
 	if (ASDCP_FAILURE (mxf_writer.Finalize())) {
diff --git a/wscript b/wscript
index 5047c627..62d9e70d 100644
--- a/wscript
+++ b/wscript
@@ -70,6 +70,7 @@ def build(bld):
     bld.recurse('tools')
     bld.recurse('test')
     bld.recurse('asdcplib')
+    bld.recurse('examples')
 
 def dist(ctx):
     ctx.excl = 'TODO core *~ .git build .waf* .lock* doc/*~ src/*~ test/ref/*~'