/*
- Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
- Copyright (C) 2000-2007 Paul Davis
+ Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic 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,
+ DCP-o-matic 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.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
* @brief Some utility functions and classes.
*/
+
+#define UNICODE 1
+
+
+#include "audio_buffers.h"
+#include "audio_processor.h"
+#include "cinema_sound_processor.h"
+#include "compose.hpp"
+#include "config.h"
+#include "constants.h"
+#include "cross.h"
+#include "crypto.h"
+#include "dcp_content_type.h"
+#include "dcpomatic_log.h"
+#include "digester.h"
+#include "exceptions.h"
+#include "ffmpeg_image_proxy.h"
+#include "filter.h"
+#include "font.h"
+#include "image.h"
+#include "job.h"
+#include "job_manager.h"
+#include "ratio.h"
+#include "rect.h"
+#include "render_text.h"
+#include "scope_guard.h"
+#include "string_text.h"
+#include "text_decoder.h"
+#include "util.h"
+#include "video_content.h"
+#include <dcp/atmos_asset.h>
+#include <dcp/decrypted_kdm.h>
+#include <dcp/locale_convert.h>
+#include <dcp/picture_asset.h>
+#include <dcp/raw_convert.h>
+#include <dcp/sound_asset.h>
+#include <dcp/subtitle_asset.h>
+#include <dcp/util.h>
+#include <dcp/warnings.h>
+LIBDCP_DISABLE_WARNINGS
+extern "C" {
+#include <libavfilter/avfilter.h>
+#include <libavformat/avformat.h>
+#include <libavcodec/avcodec.h>
+}
+LIBDCP_ENABLE_WARNINGS
+#include <curl/curl.h>
+#include <glib.h>
+#include <pangomm/init.h>
+#include <unicode/utypes.h>
+#include <unicode/unistr.h>
+#include <unicode/translit.h>
+#include <unicode/brkiter.h>
+#include <boost/algorithm/string.hpp>
+#include <boost/range/algorithm/replace_if.hpp>
+#include <boost/thread.hpp>
+#include <boost/filesystem.hpp>
+LIBDCP_DISABLE_WARNINGS
+#include <boost/locale.hpp>
+LIBDCP_ENABLE_WARNINGS
+#ifdef DCPOMATIC_WINDOWS
+#include <dbghelp.h>
+#endif
+#include <signal.h>
#include <iomanip>
#include <iostream>
#include <fstream>
#include <execinfo.h>
#include <cxxabi.h>
#endif
-#include <libssh/libssh.h>
-#include <signal.h>
-#include <boost/algorithm/string.hpp>
-#include <boost/bind.hpp>
-#include <boost/lambda/lambda.hpp>
-#include <boost/thread.hpp>
-#include <boost/filesystem.hpp>
-#ifdef DCPOMATIC_WINDOWS
-#include <boost/locale.hpp>
-#endif
-#include <glib.h>
-#include <openjpeg.h>
-#include <pangomm/init.h>
-#ifdef DCPOMATIC_IMAGE_MAGICK
-#include <magick/MagickCore.h>
-#else
-#include <magick/common.h>
-#include <magick/magick_config.h>
-#endif
-#include <magick/version.h>
-#include <dcp/version.h>
-#include <dcp/util.h>
-#include <dcp/signer.h>
-#include <dcp/raw_convert.h>
-extern "C" {
-#include <libavcodec/avcodec.h>
-#include <libavformat/avformat.h>
-#include <libswscale/swscale.h>
-#include <libavfilter/avfiltergraph.h>
-#include <libavutil/pixfmt.h>
-}
-#include "util.h"
-#include "exceptions.h"
-#include "scaler.h"
-#include "dcp_content_type.h"
-#include "filter.h"
-#include "cinema_sound_processor.h"
-#include "config.h"
-#include "ratio.h"
-#include "job.h"
-#include "cross.h"
-#include "video_content.h"
-#include "rect.h"
-#include "md5_digester.h"
-#include "audio_processor.h"
-#include "safe_stringstream.h"
-#ifdef DCPOMATIC_WINDOWS
-#include "stack.hpp"
-#endif
#include "i18n.h"
-using std::string;
-using std::setfill;
-using std::ostream;
+
+using std::bad_alloc;
+using std::cout;
using std::endl;
-using std::vector;
-using std::hex;
-using std::setw;
-using std::ios;
-using std::min;
-using std::max;
+using std::istream;
using std::list;
-using std::multimap;
+using std::make_pair;
+using std::make_shared;
using std::map;
-using std::istream;
-using std::numeric_limits;
+using std::min;
+using std::ostream;
using std::pair;
-using std::cout;
-using std::bad_alloc;
-using std::streampos;
using std::set_terminate;
-using boost::shared_ptr;
+using std::shared_ptr;
+using std::string;
+using std::vector;
+using std::wstring;
using boost::thread;
using boost::optional;
+using boost::lexical_cast;
+using boost::bad_lexical_cast;
+using boost::scoped_array;
using dcp::Size;
using dcp::raw_convert;
+using dcp::locale_convert;
+using namespace dcpomatic;
+
+/** Path to our executable, required by the stacktrace stuff and filled
+ * in during App::onInit().
+ */
+string program_name;
+bool is_batch_converter = false;
static boost::thread::id ui_thread;
static boost::filesystem::path backtrace_file;
int h = m / 60;
m -= (h * 60);
- SafeStringStream hms;
- hms << h << N_(":");
- hms.width (2);
- hms << std::setfill ('0') << m << N_(":");
- hms.width (2);
- hms << std::setfill ('0') << s;
+ char buffer[64];
+ snprintf (buffer, sizeof(buffer), "%d:%02d:%02d", h, m, s);
+ return buffer;
+}
- return hms.str ();
+string
+time_to_hmsf (DCPTime time, Frame rate)
+{
+ Frame f = time.frames_round (rate);
+ int s = f / rate;
+ f -= (s * rate);
+ int m = s / 60;
+ s -= m * 60;
+ int h = m / 60;
+ m -= h * 60;
+
+ char buffer[64];
+ snprintf (buffer, sizeof(buffer), "%d:%02d:%02d.%d", h, m, s, static_cast<int>(f));
+ return buffer;
}
/** @param s Number of seconds.
int h = m / 60;
m -= (h * 60);
- SafeStringStream ap;
+ string ap;
- bool const hours = h > 0;
- bool const minutes = h < 10 && m > 0;
- bool const seconds = m < 10 && s > 0;
+ bool hours = h > 0;
+ bool minutes = h < 6 && m > 0;
+ bool seconds = h == 0 && m < 10 && s > 0;
- if (hours) {
- if (m > 30 && !minutes) {
- /// TRANSLATORS: h here is an abbreviation for hours
- ap << (h + 1) << _("h");
- } else {
- /// TRANSLATORS: h here is an abbreviation for hours
- ap << h << _("h");
+ if (m > 30 && !minutes) {
+ /* round up the hours */
+ ++h;
+ }
+ if (s > 30 && !seconds) {
+ /* round up the minutes */
+ ++m;
+ if (m == 60) {
+ m = 0;
+ minutes = false;
+ ++h;
}
+ }
+
+ if (hours) {
+ /// TRANSLATORS: h here is an abbreviation for hours
+ ap += locale_convert<string>(h) + _("h");
- if (minutes | seconds) {
- ap << N_(" ");
+ if (minutes || seconds) {
+ ap += N_(" ");
}
}
if (minutes) {
- /* Minutes */
- if (s > 30 && !seconds) {
- /// TRANSLATORS: m here is an abbreviation for minutes
- ap << (m + 1) << _("m");
- } else {
- /// TRANSLATORS: m here is an abbreviation for minutes
- ap << m << _("m");
- }
+ /// TRANSLATORS: m here is an abbreviation for minutes
+ ap += locale_convert<string>(m) + _("m");
if (seconds) {
- ap << N_(" ");
+ ap += N_(" ");
}
}
if (seconds) {
/* Seconds */
/// TRANSLATORS: s here is an abbreviation for seconds
- ap << s << _("s");
+ ap += locale_convert<string>(s) + _("s");
}
- return ap.str ();
+ return ap;
}
-#ifdef DCPOMATIC_POSIX
-/** @param l Mangled C++ identifier.
- * @return Demangled version.
- */
-static string
-demangle (string l)
+double
+seconds (struct timeval t)
{
- string::size_type const b = l.find_first_of (N_("("));
- if (b == string::npos) {
- return l;
- }
-
- string::size_type const p = l.find_last_of (N_("+"));
- if (p == string::npos) {
- return l;
- }
+ return t.tv_sec + (double (t.tv_usec) / 1e6);
+}
- if ((p - b) <= 1) {
- return l;
- }
-
- string const fn = l.substr (b + 1, p - b - 1);
+#ifdef DCPOMATIC_WINDOWS
- int status;
- try {
-
- char* realname = abi::__cxa_demangle (fn.c_str(), 0, 0, &status);
- string d (realname);
- free (realname);
- return d;
-
- } catch (std::exception) {
-
- }
-
- return l;
-}
-
-/** Write a stacktrace to an ostream.
- * @param out Stream to write to.
- * @param levels Number of levels to go up the call stack.
- */
-void
-stacktrace (ostream& out, int levels)
-{
- void *array[200];
- size_t size = backtrace (array, 200);
- char** strings = backtrace_symbols (array, size);
-
- if (strings) {
- for (size_t i = 0; i < size && (levels == 0 || i < size_t(levels)); i++) {
- out << N_(" ") << demangle (strings[i]) << "\n";
- }
-
- free (strings);
- }
+/** Resolve symbol name and source location given the path to the executable */
+int
+addr2line (void const * const addr)
+{
+ char addr2line_cmd[512] = { 0 };
+ sprintf (addr2line_cmd, "addr2line -f -p -e %.256s %p > %s", program_name.c_str(), addr, backtrace_file.string().c_str());
+ return system(addr2line_cmd);
}
-#endif
-/** @param v Version as used by FFmpeg.
- * @return A string representation of v.
+LIBDCP_DISABLE_WARNINGS
+/** This is called when C signals occur on Windows (e.g. SIGSEGV)
+ * (NOT C++ exceptions!). We write a backtrace to backtrace_file by dark means.
+ * Adapted from code here: http://spin.atomicobject.com/2013/01/13/exceptions-stack-traces-c/
*/
-static string
-ffmpeg_version_to_string (int v)
+LONG WINAPI
+exception_handler(struct _EXCEPTION_POINTERS * info)
{
- SafeStringStream s;
- s << ((v & 0xff0000) >> 16) << N_(".") << ((v & 0xff00) >> 8) << N_(".") << (v & 0xff);
- return s.str ();
-}
+ dcp::File f(backtrace_file, "w");
+ if (f) {
+ fprintf(f.get(), "C-style exception %d\n", info->ExceptionRecord->ExceptionCode);
+ f.close();
+ }
-double
-seconds (struct timeval t)
-{
- return t.tv_sec + (double (t.tv_usec) / 1e6);
-}
+ if (info->ExceptionRecord->ExceptionCode != EXCEPTION_STACK_OVERFLOW) {
+ CONTEXT* context = info->ContextRecord;
+ SymInitialize (GetCurrentProcess (), 0, true);
-#ifdef DCPOMATIC_WINDOWS
-LONG WINAPI exception_handler(struct _EXCEPTION_POINTERS *)
-{
- dbg::stack s;
- FILE* f = fopen_boost (backtrace_file, "w");
- fprintf (f, "Exception thrown:");
- for (dbg::stack::const_iterator i = s.begin(); i != s.end(); ++i) {
- fprintf (f, "%p %s %d %s\n", i->instruction, i->function.c_str(), i->line, i->module.c_str());
+ STACKFRAME frame = { 0 };
+
+ /* setup initial stack frame */
+#if _WIN64
+ frame.AddrPC.Offset = context->Rip;
+ frame.AddrStack.Offset = context->Rsp;
+ frame.AddrFrame.Offset = context->Rbp;
+#else
+ frame.AddrPC.Offset = context->Eip;
+ frame.AddrStack.Offset = context->Esp;
+ frame.AddrFrame.Offset = context->Ebp;
+#endif
+ frame.AddrPC.Mode = AddrModeFlat;
+ frame.AddrStack.Mode = AddrModeFlat;
+ frame.AddrFrame.Mode = AddrModeFlat;
+
+ while (
+ StackWalk (
+ IMAGE_FILE_MACHINE_I386,
+ GetCurrentProcess (),
+ GetCurrentThread (),
+ &frame,
+ context,
+ 0,
+ SymFunctionTableAccess,
+ SymGetModuleBase,
+ 0
+ )
+ ) {
+ addr2line((void *) frame.AddrPC.Offset);
+ }
+ } else {
+#ifdef _WIN64
+ addr2line ((void *) info->ContextRecord->Rip);
+#else
+ addr2line ((void *) info->ContextRecord->Eip);
+#endif
}
- fclose (f);
+
return EXCEPTION_CONTINUE_SEARCH;
}
+LIBDCP_ENABLE_WARNINGS
#endif
void
backtrace_file = p;
}
-/* From http://stackoverflow.com/questions/2443135/how-do-i-find-where-an-exception-was-thrown-in-c */
+/** This is called when there is an unhandled exception. Any
+ * backtrace in this function is useless on Windows as the stack has
+ * already been unwound from the throw; we have the gdb wrap hack to
+ * cope with that.
+ */
void
terminate ()
{
- static bool tried_throw = false;
-
try {
+ static bool tried_throw = false;
// try once to re-throw currently active exception
if (!tried_throw) {
tried_throw = true;
<< e.what() << std::endl;
}
catch (...) {
- std::cerr << __FUNCTION__ << " caught unknown/unhandled exception."
+ std::cerr << __FUNCTION__ << " caught unknown/unhandled exception."
<< std::endl;
}
-#ifdef DCPOMATIC_POSIX
- stacktrace (cout, 50);
-#endif
abort();
}
-/** Call the required functions to set up DCP-o-matic's static arrays, etc.
- * Must be called from the UI thread, if there is one.
- */
void
-dcpomatic_setup ()
+dcpomatic_setup_path_encoding ()
{
#ifdef DCPOMATIC_WINDOWS
- boost::filesystem::path p = g_get_user_config_dir ();
- p /= "backtrace.txt";
- set_backtrace_file (p);
- SetUnhandledExceptionFilter(exception_handler);
-
/* Dark voodoo which, I think, gets boost::filesystem::path to
correctly convert UTF-8 strings to paths, and also paths
back to UTF-8 strings (on path::string()).
*/
std::locale::global (boost::locale::generator().generate (""));
boost::filesystem::path::imbue (std::locale ());
-#endif
-
+#endif
+}
+
+
+class LogSink : public Kumu::ILogSink
+{
+public:
+ LogSink () {}
+ LogSink (LogSink const&) = delete;
+ LogSink& operator= (LogSink const&) = delete;
+
+ void WriteEntry(const Kumu::LogEntry& entry) override {
+ Kumu::AutoMutex L(m_lock);
+ WriteEntryToListeners(entry);
+ if (entry.TestFilter(m_filter)) {
+ string buffer;
+ entry.CreateStringWithOptions(buffer, m_options);
+ LOG_GENERAL("asdcplib: %1", buffer);
+ }
+ }
+};
+
+
+void
+capture_asdcp_logs ()
+{
+ static LogSink log_sink;
+ Kumu::SetDefaultLogSink(&log_sink);
+}
+
+
+static
+void
+ffmpeg_log_callback(void* ptr, int level, const char* fmt, va_list vl)
+{
+ if (level > AV_LOG_WARNING) {
+ return;
+ }
+
+ char line[1024];
+ static int prefix = 0;
+ av_log_format_line(ptr, level, fmt, vl, line, sizeof (line), &prefix);
+ string str(line);
+ boost::algorithm::trim(str);
+ dcpomatic_log->log(String::compose("FFmpeg: %1", str), LogEntry::TYPE_GENERAL);
+}
+
+
+static
+void
+capture_ffmpeg_logs()
+{
+ av_log_set_callback(ffmpeg_log_callback);
+}
+
+
+/** Call the required functions to set up DCP-o-matic's static arrays, etc.
+ * Must be called from the UI thread, if there is one.
+ */
+void
+dcpomatic_setup ()
+{
+#ifdef DCPOMATIC_WINDOWS
+ boost::filesystem::path p = g_get_user_config_dir ();
+ p /= "backtrace.txt";
+ set_backtrace_file (p);
+ SetUnhandledExceptionFilter(exception_handler);
+#endif
+
+#ifdef DCPOMATIC_HAVE_AVREGISTER
+LIBDCP_DISABLE_WARNINGS
+ av_register_all ();
avfilter_register_all ();
+LIBDCP_ENABLE_WARNINGS
+#endif
#ifdef DCPOMATIC_OSX
- /* Add our lib directory to the libltdl search path so that
+ /* Add our library directory to the libltdl search path so that
xmlsec can find xmlsec1-openssl.
*/
- boost::filesystem::path lib = app_contents ();
- lib /= "lib";
+ auto lib = directory_containing_executable().parent_path();
+ lib /= "Frameworks";
setenv ("LTDL_LIBRARY_PATH", lib.c_str (), 1);
#endif
set_terminate (terminate);
+#ifdef DCPOMATIC_WINDOWS
+ putenv ("PANGOCAIRO_BACKEND=fontconfig");
+ putenv (String::compose("FONTCONFIG_PATH=%1", resources_path().string()).c_str());
+#endif
+
+#ifdef DCPOMATIC_OSX
+ setenv ("PANGOCAIRO_BACKEND", "fontconfig", 1);
+ setenv ("FONTCONFIG_PATH", resources_path().string().c_str(), 1);
+#endif
+
Pango::init ();
- dcp::init ();
-
+ dcp::init (libdcp_resources_path());
+
+#if defined(DCPOMATIC_WINDOWS) || defined(DCPOMATIC_OSX)
+ /* Render something to fontconfig to create its cache */
+ list<StringText> subs;
+ dcp::SubtitleString ss(
+ optional<string>(), false, false, false, dcp::Colour(), 42, 1, dcp::Time(), dcp::Time(), 0, dcp::HAlign::CENTER, 0, dcp::VAlign::CENTER, 0, dcp::Direction::LTR,
+ "Hello dolly", dcp::Effect::NONE, dcp::Colour(), dcp::Time(), dcp::Time(), 0
+ );
+ subs.push_back(StringText(ss, 0, {}, dcp::SubtitleStandard::SMPTE_2014));
+ render_text (subs, dcp::Size(640, 480), DCPTime(), 24);
+#endif
+
Ratio::setup_ratios ();
- VideoContentScale::setup_scales ();
+ PresetColourConversion::setup_colour_conversion_presets ();
DCPContentType::setup_dcp_content_types ();
- Scaler::setup_scalers ();
Filter::setup_filters ();
CinemaSoundProcessor::setup_cinema_sound_processors ();
AudioProcessor::setup_audio_processors ();
+ curl_global_init (CURL_GLOBAL_ALL);
+
ui_thread = boost::this_thread::get_id ();
+
+ capture_asdcp_logs ();
+ capture_ffmpeg_logs();
}
#ifdef DCPOMATIC_WINDOWS
}
setlocale (LC_ALL, "");
- textdomain ("libdcpomatic");
+ textdomain ("libdcpomatic2");
#if defined(DCPOMATIC_WINDOWS) || defined(DCPOMATIC_OSX)
- bindtextdomain ("libdcpomatic", mo_path().string().c_str());
- bind_textdomain_codeset ("libdcpomatic", "UTF8");
-#endif
+ bindtextdomain ("libdcpomatic2", mo_path().string().c_str());
+ bind_textdomain_codeset ("libdcpomatic2", "UTF8");
+#endif
#ifdef DCPOMATIC_LINUX
- bindtextdomain ("libdcpomatic", POSIX_LOCALE_PREFIX);
+ bindtextdomain ("libdcpomatic2", LINUX_LOCALE_PREFIX);
#endif
}
-/** @param s A string.
- * @return Parts of the string split at spaces, except when a space is within quotation marks.
- */
-vector<string>
-split_at_spaces_considering_quotes (string s)
-{
- vector<string> out;
- bool in_quotes = false;
- string c;
- for (string::size_type i = 0; i < s.length(); ++i) {
- if (s[i] == ' ' && !in_quotes) {
- out.push_back (c);
- c = N_("");
- } else if (s[i] == '"') {
- in_quotes = !in_quotes;
- } else {
- c += s[i];
- }
- }
-
- out.push_back (c);
- return out;
-}
-
-/** @param job Optional job for which to report progress */
+/** Compute a digest of the first and last `size' bytes of a set of files. */
string
-md5_digest (vector<boost::filesystem::path> files, shared_ptr<Job> job)
+digest_head_tail (vector<boost::filesystem::path> files, boost::uintmax_t size)
{
- boost::uintmax_t const buffer_size = 64 * 1024;
- char buffer[buffer_size];
+ boost::scoped_array<char> buffer (new char[size]);
+ Digester digester;
+
+ /* Head */
+ boost::uintmax_t to_do = size;
+ char* p = buffer.get ();
+ int i = 0;
+ while (i < int64_t (files.size()) && to_do > 0) {
+ dcp::File f(files[i], "rb");
+ if (!f) {
+ throw OpenFileError (files[i].string(), errno, OpenFileError::READ);
+ }
- MD5Digester digester;
+ boost::uintmax_t this_time = min (to_do, boost::filesystem::file_size (files[i]));
+ f.checked_read(p, this_time);
+ p += this_time;
+ to_do -= this_time;
- vector<int64_t> sizes;
- for (size_t i = 0; i < files.size(); ++i) {
- sizes.push_back (boost::filesystem::file_size (files[i]));
+ ++i;
}
-
- for (size_t i = 0; i < files.size(); ++i) {
- FILE* f = fopen_boost (files[i], "rb");
+ digester.add (buffer.get(), size - to_do);
+
+ /* Tail */
+ to_do = size;
+ p = buffer.get ();
+ i = files.size() - 1;
+ while (i >= 0 && to_do > 0) {
+ dcp::File f(files[i], "rb");
if (!f) {
- throw OpenFileError (files[i].string());
+ throw OpenFileError (files[i].string(), errno, OpenFileError::READ);
}
- boost::uintmax_t const bytes = boost::filesystem::file_size (files[i]);
- boost::uintmax_t remaining = bytes;
+ boost::uintmax_t this_time = min (to_do, boost::filesystem::file_size (files[i]));
+ f.seek(-this_time, SEEK_END);
+ f.checked_read(p, this_time);
+ p += this_time;
+ to_do -= this_time;
- while (remaining > 0) {
- int const t = min (remaining, buffer_size);
- int const r = fread (buffer, 1, t, f);
- if (r != t) {
- throw ReadFileError (files[i], errno);
- }
- digester.add (buffer, t);
- remaining -= t;
-
- if (job) {
- job->set_progress ((float (i) + 1 - float(remaining) / bytes) / files.size ());
- }
- }
-
- fclose (f);
+ --i;
}
+ digester.add (buffer.get(), size - to_do);
return digester.get ();
}
-/** @param An arbitrary audio frame rate.
- * @return The appropriate DCP-approved frame rate (48kHz or 96kHz).
- */
-int
-dcp_audio_frame_rate (int fs)
-{
- if (fs <= 48000) {
- return 48000;
- }
- return 96000;
+string
+simple_digest (vector<boost::filesystem::path> paths)
+{
+ return digest_head_tail(paths, 1000000) + raw_convert<string>(boost::filesystem::file_size(paths.front()));
}
-Socket::Socket (int timeout)
- : _deadline (_io_service)
- , _socket (_io_service)
- , _acceptor (0)
- , _timeout (timeout)
+
+/** Trip an assert if the caller is not in the UI thread */
+void
+ensure_ui_thread ()
{
- _deadline.expires_at (boost::posix_time::pos_infin);
- check ();
+ DCPOMATIC_ASSERT (boost::this_thread::get_id() == ui_thread);
}
-Socket::~Socket ()
+string
+audio_channel_name (int c)
{
- delete _acceptor;
+ DCPOMATIC_ASSERT (MAX_DCP_AUDIO_CHANNELS == 16);
+
+ /// TRANSLATORS: these are the names of audio channels; Lfe (sub) is the low-frequency
+ /// enhancement channel (sub-woofer).
+ string const channels[] = {
+ _("Left"),
+ _("Right"),
+ _("Centre"),
+ _("Lfe (sub)"),
+ _("Left surround"),
+ _("Right surround"),
+ _("Hearing impaired"),
+ _("Visually impaired"),
+ _("Left centre"),
+ _("Right centre"),
+ _("Left rear surround"),
+ _("Right rear surround"),
+ _("D-BOX primary"),
+ _("D-BOX secondary"),
+ _("Unused"),
+ _("Unused")
+ };
+
+ return channels[c];
}
-void
-Socket::check ()
+string
+short_audio_channel_name (int c)
{
- if (_deadline.expires_at() <= boost::asio::deadline_timer::traits_type::now ()) {
- if (_acceptor) {
- _acceptor->cancel ();
- } else {
- _socket.close ();
- }
- _deadline.expires_at (boost::posix_time::pos_infin);
- }
+ DCPOMATIC_ASSERT (MAX_DCP_AUDIO_CHANNELS == 16);
+
+ /// TRANSLATORS: these are short names of audio channels; Lfe is the low-frequency
+ /// enhancement channel (sub-woofer). HI is the hearing-impaired audio track and
+ /// VI is the visually-impaired audio track (audio describe). DBP is the D-BOX
+ /// primary channel and DBS is the D-BOX secondary channel.
+ string const channels[] = {
+ _("L"),
+ _("R"),
+ _("C"),
+ _("Lfe"),
+ _("Ls"),
+ _("Rs"),
+ _("HI"),
+ _("VI"),
+ _("9"),
+ _("10"),
+ _("BsL"),
+ _("BsR"),
+ _("DBP"),
+ _("DBS"),
+ _("Sign"),
+ _("16")
+ };
- _deadline.async_wait (boost::bind (&Socket::check, this));
+ return channels[c];
}
-/** Blocking connect.
- * @param endpoint End-point to connect to.
- */
-void
-Socket::connect (boost::asio::ip::tcp::endpoint endpoint)
-{
- _deadline.expires_from_now (boost::posix_time::seconds (_timeout));
- boost::system::error_code ec = boost::asio::error::would_block;
- _socket.async_connect (endpoint, boost::lambda::var(ec) = boost::lambda::_1);
- do {
- _io_service.run_one();
- } while (ec == boost::asio::error::would_block);
- if (ec) {
- throw NetworkError (String::compose (_("error during async_connect (%1)"), ec.value ()));
+bool
+valid_image_file (boost::filesystem::path f)
+{
+ if (boost::starts_with (f.leaf().string(), "._")) {
+ return false;
}
- if (!_socket.is_open ()) {
- throw NetworkError (_("connect timed out"));
- }
+ auto ext = f.extension().string();
+ transform (ext.begin(), ext.end(), ext.begin(), ::tolower);
+ return (
+ ext == ".tif" || ext == ".tiff" || ext == ".jpg" || ext == ".jpeg" ||
+ ext == ".png" || ext == ".bmp" || ext == ".tga" || ext == ".dpx" ||
+ ext == ".j2c" || ext == ".j2k" || ext == ".jp2" || ext == ".exr" ||
+ ext == ".jpf" || ext == ".psd"
+ );
}
-void
-Socket::accept (int port)
+bool
+valid_sound_file (boost::filesystem::path f)
{
- _acceptor = new boost::asio::ip::tcp::acceptor (_io_service, boost::asio::ip::tcp::endpoint (boost::asio::ip::tcp::v4(), port));
-
- _deadline.expires_from_now (boost::posix_time::seconds (_timeout));
- boost::system::error_code ec = boost::asio::error::would_block;
- _acceptor->async_accept (_socket, boost::lambda::var(ec) = boost::lambda::_1);
- do {
- _io_service.run_one ();
- } while (ec == boost::asio::error::would_block);
-
- delete _acceptor;
- _acceptor = 0;
-
- if (ec) {
- throw NetworkError (String::compose (_("error during async_accept (%1)"), ec.value ()));
+ if (boost::starts_with (f.leaf().string(), "._")) {
+ return false;
}
+
+ auto ext = f.extension().string();
+ transform (ext.begin(), ext.end(), ext.begin(), ::tolower);
+ return (ext == ".wav" || ext == ".mp3" || ext == ".aif" || ext == ".aiff");
}
-/** Blocking write.
- * @param data Buffer to write.
- * @param size Number of bytes to write.
- */
-void
-Socket::write (uint8_t const * data, int size)
+bool
+valid_j2k_file (boost::filesystem::path f)
{
- _deadline.expires_from_now (boost::posix_time::seconds (_timeout));
- boost::system::error_code ec = boost::asio::error::would_block;
+ auto ext = f.extension().string();
+ transform (ext.begin(), ext.end(), ext.begin(), ::tolower);
+ return (ext == ".j2k" || ext == ".j2c" || ext == ".jp2");
+}
- boost::asio::async_write (_socket, boost::asio::buffer (data, size), boost::lambda::var(ec) = boost::lambda::_1);
-
- do {
- _io_service.run_one ();
- } while (ec == boost::asio::error::would_block);
+string
+tidy_for_filename (string f)
+{
+ boost::replace_if (f, boost::is_any_of ("\\/:"), '_');
+ return f;
+}
- if (ec) {
- throw NetworkError (String::compose (_("error during async_write (%1)"), ec.value ()));
+dcp::Size
+fit_ratio_within (float ratio, dcp::Size full_frame)
+{
+ if (ratio < full_frame.ratio ()) {
+ return dcp::Size (lrintf (full_frame.height * ratio), full_frame.height);
}
+
+ return dcp::Size (full_frame.width, lrintf (full_frame.width / ratio));
}
-void
-Socket::write (uint32_t v)
+static
+string
+asset_filename (shared_ptr<dcp::Asset> asset, string type, int reel_index, int reel_count, optional<string> summary, string extension)
{
- v = htonl (v);
- write (reinterpret_cast<uint8_t*> (&v), 4);
+ dcp::NameFormat::Map values;
+ values['t'] = type;
+ values['r'] = raw_convert<string>(reel_index + 1);
+ values['n'] = raw_convert<string>(reel_count);
+ if (summary) {
+ values['c'] = careful_string_filter(summary.get());
+ }
+ return Config::instance()->dcp_asset_filename_format().get(values, "_" + asset->id() + extension);
}
-/** Blocking read.
- * @param data Buffer to read to.
- * @param size Number of bytes to read.
- */
-void
-Socket::read (uint8_t* data, int size)
+
+string
+video_asset_filename (shared_ptr<dcp::PictureAsset> asset, int reel_index, int reel_count, optional<string> summary)
{
- _deadline.expires_from_now (boost::posix_time::seconds (_timeout));
- boost::system::error_code ec = boost::asio::error::would_block;
+ return asset_filename(asset, "j2c", reel_index, reel_count, summary, ".mxf");
+}
- boost::asio::async_read (_socket, boost::asio::buffer (data, size), boost::lambda::var(ec) = boost::lambda::_1);
- do {
- _io_service.run_one ();
- } while (ec == boost::asio::error::would_block);
-
- if (ec) {
- throw NetworkError (String::compose (_("error during async_read (%1)"), ec.value ()));
- }
+string
+audio_asset_filename (shared_ptr<dcp::SoundAsset> asset, int reel_index, int reel_count, optional<string> summary)
+{
+ return asset_filename(asset, "pcm", reel_index, reel_count, summary, ".mxf");
}
-uint32_t
-Socket::read_uint32 ()
+
+string
+subtitle_asset_filename (shared_ptr<dcp::SubtitleAsset> asset, int reel_index, int reel_count, optional<string> summary, string extension)
{
- uint32_t v;
- read (reinterpret_cast<uint8_t *> (&v), 4);
- return ntohl (v);
+ return asset_filename(asset, "sub", reel_index, reel_count, summary, extension);
}
-/** Round a number up to the nearest multiple of another number.
- * @param c Index.
- * @param s Array of numbers to round, indexed by c.
- * @param t Multiple to round to.
- * @return Rounded number.
- */
-int
-stride_round_up (int c, int const * stride, int t)
+
+string
+atmos_asset_filename (shared_ptr<dcp::AtmosAsset> asset, int reel_index, int reel_count, optional<string> summary)
{
- int const a = stride[c] + (t - 1);
- return a - (a % t);
+ return asset_filename(asset, "atmos", reel_index, reel_count, summary, ".mxf");
}
-/** @param n A number.
- * @param r Rounding `boundary' (must be a power of 2)
- * @return n rounded to the nearest r
- */
-int
-round_to (float n, int r)
+
+string
+careful_string_filter (string s)
{
- assert (r == 1 || r == 2 || r == 4);
- return int (n + float(r) / 2) &~ (r - 1);
-}
+ /* Filter out `bad' characters which `may' cause problems with some systems (either for DCP name or filename).
+ There's no apparent list of what really is allowed, so this is a guess.
+ Safety first and all that.
+ */
-/** Read a sequence of key / value pairs from a text stream;
- * the keys are the first words on the line, and the values are
- * the remainder of the line following the key. Lines beginning
- * with # are ignored.
- * @param s Stream to read.
- * @return key/value pairs.
- */
-multimap<string, string>
-read_key_value (istream &s)
-{
- multimap<string, string> kv;
-
- string line;
- while (getline (s, line)) {
- if (line.empty ()) {
- continue;
- }
+ /* First transliterate using libicu to try to remove accents in a "nice" way */
+ auto transliterated = icu::UnicodeString::fromUTF8(icu::StringPiece(s));
+ auto status = U_ZERO_ERROR;
+ auto transliterator = icu::Transliterator::createInstance("NFD; [:M:] Remove; NFC", UTRANS_FORWARD, status);
+ transliterator->transliterate(transliterated);
- if (line[0] == '#') {
- continue;
+ /* Some things are missed by ICU's transliterator */
+ std::map<wchar_t, wchar_t> replacements = {
+ { L'ł', L'l' },
+ { L'Ł', L'L' }
+ };
+
+ icu::UnicodeString transliterated_more;
+ for (int i = 0; i < transliterated.length(); ++i) {
+ auto replacement = replacements.find(transliterated[i]);
+ if (replacement != replacements.end()) {
+ transliterated_more += replacement->second;
+ } else {
+ transliterated_more += transliterated[i];
}
+ }
- if (line[line.size() - 1] == '\r') {
- line = line.substr (0, line.size() - 1);
+ /* Then remove anything that's not in a very limited character set */
+ wstring out;
+ wstring const allowed = L"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_%.+";
+ for (int i = 0; i < transliterated_more.length(); ++i) {
+ wchar_t c = transliterated_more[i];
+ if (allowed.find(c) != string::npos) {
+ out += c;
}
+ }
+
+ return boost::locale::conv::utf_to_utf<char>(out);
+}
- size_t const s = line.find (' ');
- if (s == string::npos) {
+/** @param mapped List of mapped audio channels from a Film.
+ * @param channels Total number of channels in the Film.
+ * @return First: number of non-LFE soundtrack channels (L/R/C/Ls/Rs/Lc/Rc/Bsl/Bsr), second: number of LFE channels.
+ */
+pair<int, int>
+audio_channel_types (list<int> mapped, int channels)
+{
+ int non_lfe = 0;
+ int lfe = 0;
+
+ for (auto i: mapped) {
+ if (i >= channels) {
+ /* This channel is mapped but is not included in the DCP */
continue;
}
- kv.insert (make_pair (line.substr (0, s), line.substr (s + 1)));
+ switch (static_cast<dcp::Channel>(i)) {
+ case dcp::Channel::LFE:
+ ++lfe;
+ break;
+ case dcp::Channel::LEFT:
+ case dcp::Channel::RIGHT:
+ case dcp::Channel::CENTRE:
+ case dcp::Channel::LS:
+ case dcp::Channel::RS:
+ case dcp::Channel::BSL:
+ case dcp::Channel::BSR:
+ ++non_lfe;
+ break;
+ case dcp::Channel::HI:
+ case dcp::Channel::VI:
+ case dcp::Channel::MOTION_DATA:
+ case dcp::Channel::SYNC_SIGNAL:
+ case dcp::Channel::SIGN_LANGUAGE:
+ case dcp::Channel::CHANNEL_COUNT:
+ break;
+ }
}
- return kv;
+ return make_pair (non_lfe, lfe);
}
-string
-get_required_string (multimap<string, string> const & kv, string k)
+shared_ptr<AudioBuffers>
+remap (shared_ptr<const AudioBuffers> input, int output_channels, AudioMapping map)
{
- if (kv.count (k) > 1) {
- throw StringError (N_("unexpected multiple keys in key-value set"));
- }
-
- multimap<string, string>::const_iterator i = kv.find (k);
-
- if (i == kv.end ()) {
- throw StringError (String::compose (_("missing key %1 in key-value set"), k));
+ auto mapped = make_shared<AudioBuffers>(output_channels, input->frames());
+ mapped->make_silent ();
+
+ int to_do = min (map.input_channels(), input->channels());
+
+ for (int i = 0; i < to_do; ++i) {
+ for (int j = 0; j < mapped->channels(); ++j) {
+ if (map.get(i, j) > 0) {
+ mapped->accumulate_channel(
+ input.get(),
+ i,
+ j,
+ map.get(i, j)
+ );
+ }
+ }
}
- return i->second;
+ return mapped;
}
-int
-get_required_int (multimap<string, string> const & kv, string k)
+Eyes
+increment_eyes (Eyes e)
{
- string const v = get_required_string (kv, k);
- return raw_convert<int> (v);
+ if (e == Eyes::LEFT) {
+ return Eyes::RIGHT;
+ }
+
+ return Eyes::LEFT;
}
-float
-get_required_float (multimap<string, string> const & kv, string k)
+
+size_t
+utf8_strlen (string s)
{
- string const v = get_required_string (kv, k);
- return raw_convert<float> (v);
+ size_t const len = s.length ();
+ int N = 0;
+ for (size_t i = 0; i < len; ++i) {
+ unsigned char c = s[i];
+ if ((c & 0xe0) == 0xc0) {
+ ++i;
+ } else if ((c & 0xf0) == 0xe0) {
+ i += 2;
+ } else if ((c & 0xf8) == 0xf0) {
+ i += 3;
+ }
+ ++N;
+ }
+ return N;
}
-string
-get_optional_string (multimap<string, string> const & kv, string k)
+
+/** @param size Size of picture that the subtitle will be overlaid onto */
+void
+emit_subtitle_image (ContentTimePeriod period, dcp::SubtitleImage sub, dcp::Size size, shared_ptr<TextDecoder> decoder)
{
- if (kv.count (k) > 1) {
- throw StringError (N_("unexpected multiple keys in key-value set"));
+ /* XXX: this is rather inefficient; decoding the image just to get its size */
+ FFmpegImageProxy proxy (sub.png_image());
+ auto image = proxy.image(Image::Alignment::PADDED).image;
+ /* set up rect with height and width */
+ dcpomatic::Rect<double> rect(0, 0, image->size().width / double(size.width), image->size().height / double(size.height));
+
+ /* add in position */
+
+ switch (sub.h_align()) {
+ case dcp::HAlign::LEFT:
+ rect.x += sub.h_position();
+ break;
+ case dcp::HAlign::CENTER:
+ rect.x += 0.5 + sub.h_position() - rect.width / 2;
+ break;
+ case dcp::HAlign::RIGHT:
+ rect.x += 1 - sub.h_position() - rect.width;
+ break;
}
- multimap<string, string>::const_iterator i = kv.find (k);
- if (i == kv.end ()) {
- return N_("");
+ switch (sub.v_align()) {
+ case dcp::VAlign::TOP:
+ rect.y += sub.v_position();
+ break;
+ case dcp::VAlign::CENTER:
+ rect.y += 0.5 + sub.v_position() - rect.height / 2;
+ break;
+ case dcp::VAlign::BOTTOM:
+ rect.y += 1 - sub.v_position() - rect.height;
+ break;
}
- return i->second;
+ decoder->emit_bitmap (period, image, rect);
}
-int
-get_optional_int (multimap<string, string> const & kv, string k)
+
+/** XXX: could use mmap? */
+void
+copy_in_bits (boost::filesystem::path from, boost::filesystem::path to, std::function<void (float)> progress)
{
- if (kv.count (k) > 1) {
- throw StringError (N_("unexpected multiple keys in key-value set"));
+ dcp::File f(from, "rb");
+ if (!f) {
+ throw OpenFileError (from, errno, OpenFileError::READ);
}
-
- multimap<string, string>::const_iterator i = kv.find (k);
- if (i == kv.end ()) {
- return 0;
+ dcp::File t(to, "wb");
+ if (!t) {
+ throw OpenFileError (to, errno, OpenFileError::WRITE);
}
- return raw_convert<int> (i->second);
-}
+ /* on the order of a second's worth of copying */
+ boost::uintmax_t const chunk = 20 * 1024 * 1024;
-/** Trip an assert if the caller is not in the UI thread */
-void
-ensure_ui_thread ()
-{
- assert (boost::this_thread::get_id() == ui_thread);
-}
+ std::vector<uint8_t> buffer(chunk);
-string
-audio_channel_name (int c)
-{
- assert (MAX_DCP_AUDIO_CHANNELS == 12);
+ boost::uintmax_t const total = boost::filesystem::file_size (from);
+ boost::uintmax_t remaining = total;
- /// TRANSLATORS: these are the names of audio channels; Lfe (sub) is the low-frequency
- /// enhancement channel (sub-woofer). HI is the hearing-impaired audio track and
- /// VI is the visually-impaired audio track (audio describe).
- string const channels[] = {
- _("Left"),
- _("Right"),
- _("Centre"),
- _("Lfe (sub)"),
- _("Left surround"),
- _("Right surround"),
- _("Hearing impaired"),
- _("Visually impaired"),
- _("Left centre"),
- _("Right centre"),
- _("Left rear surround"),
- _("Right rear surround"),
- };
+ while (remaining) {
+ boost::uintmax_t this_time = min (chunk, remaining);
+ size_t N = f.read(buffer.data(), 1, chunk);
+ if (N < this_time) {
+ throw ReadFileError (from, errno);
+ }
- return channels[c];
-}
+ N = t.write(buffer.data(), 1, this_time);
+ if (N < this_time) {
+ throw WriteFileError (to, errno);
+ }
-bool
-valid_image_file (boost::filesystem::path f)
-{
- string ext = f.extension().string();
- transform (ext.begin(), ext.end(), ext.begin(), ::tolower);
- return (
- ext == ".tif" || ext == ".tiff" || ext == ".jpg" || ext == ".jpeg" ||
- ext == ".png" || ext == ".bmp" || ext == ".tga" || ext == ".dpx" ||
- ext == ".j2c" || ext == ".j2k"
- );
+ progress (1 - float(remaining) / total);
+ remaining -= this_time;
+ }
}
-bool
-valid_j2k_file (boost::filesystem::path f)
+
+dcp::Size
+scale_for_display (dcp::Size s, dcp::Size display_container, dcp::Size film_container, PixelQuanta quanta)
{
- string ext = f.extension().string();
- transform (ext.begin(), ext.end(), ext.begin(), ::tolower);
- return (ext == ".j2k" || ext == ".j2c");
+ /* Now scale it down if the display container is smaller than the film container */
+ if (display_container != film_container) {
+ float const scale = min (
+ float (display_container.width) / film_container.width,
+ float (display_container.height) / film_container.height
+ );
+
+ s.width = lrintf (s.width * scale);
+ s.height = lrintf (s.height * scale);
+ s = quanta.round (s);
+ }
+
+ return s;
}
-string
-tidy_for_filename (string f)
+
+dcp::DecryptedKDM
+decrypt_kdm_with_helpful_error (dcp::EncryptedKDM kdm)
{
- string t;
- for (size_t i = 0; i < f.length(); ++i) {
- if (isalnum (f[i]) || f[i] == '_' || f[i] == '-') {
- t += f[i];
+ try {
+ return dcp::DecryptedKDM (kdm, Config::instance()->decryption_chain()->key().get());
+ } catch (dcp::KDMDecryptionError& e) {
+ /* Try to flesh out the error a bit */
+ auto const kdm_subject_name = kdm.recipient_x509_subject_name();
+ bool on_chain = false;
+ auto dc = Config::instance()->decryption_chain();
+ for (auto i: dc->root_to_leaf()) {
+ if (i.subject() == kdm_subject_name) {
+ on_chain = true;
+ }
+ }
+ if (!on_chain) {
+ throw KDMError (_("This KDM was not made for DCP-o-matic's decryption certificate."), e.what());
+ } else if (kdm_subject_name != dc->leaf().subject()) {
+ throw KDMError (_("This KDM was made for DCP-o-matic but not for its leaf certificate."), e.what());
} else {
- t += '_';
+ throw;
}
}
-
- return t;
}
-map<string, string>
-split_get_request (string url)
+
+boost::filesystem::path
+default_font_file ()
{
- enum {
- AWAITING_QUESTION_MARK,
- KEY,
- VALUE
- } state = AWAITING_QUESTION_MARK;
-
- map<string, string> r;
- string k;
- string v;
- for (size_t i = 0; i < url.length(); ++i) {
- switch (state) {
- case AWAITING_QUESTION_MARK:
- if (url[i] == '?') {
- state = KEY;
- }
- break;
- case KEY:
- if (url[i] == '=') {
- v.clear ();
- state = VALUE;
- } else {
- k += url[i];
- }
- break;
- case VALUE:
- if (url[i] == '&') {
- r.insert (make_pair (k, v));
- k.clear ();
- state = KEY;
- } else {
- v += url[i];
- }
- break;
+ boost::filesystem::path liberation_normal;
+ try {
+ liberation_normal = resources_path() / "LiberationSans-Regular.ttf";
+ if (!boost::filesystem::exists (liberation_normal)) {
+ /* Hack for unit tests */
+ liberation_normal = resources_path() / "fonts" / "LiberationSans-Regular.ttf";
}
+ } catch (boost::filesystem::filesystem_error& e) {
+
}
- if (state == VALUE) {
- r.insert (make_pair (k, v));
+ if (!boost::filesystem::exists(liberation_normal)) {
+ liberation_normal = "/usr/share/fonts/truetype/liberation/LiberationSans-Regular.ttf";
+ }
+ if (!boost::filesystem::exists(liberation_normal)) {
+ liberation_normal = "/usr/share/fonts/liberation-sans/LiberationSans-Regular.ttf";
}
- return r;
+ return liberation_normal;
}
-dcp::Size
-fit_ratio_within (float ratio, dcp::Size full_frame, int round)
-{
- if (ratio < full_frame.ratio ()) {
- return dcp::Size (round_to (full_frame.height * ratio, round), full_frame.height);
- }
-
- return dcp::Size (full_frame.width, round_to (full_frame.width / ratio, round));
-}
-void *
-wrapped_av_malloc (size_t s)
-{
- void* p = av_malloc (s);
- if (!p) {
- throw bad_alloc ();
- }
- return p;
-}
-
-string
-entities_to_text (string e)
-{
- boost::algorithm::replace_all (e, "%3A", ":");
- boost::algorithm::replace_all (e, "%2F", "/");
- return e;
-}
+/* Set to 1 to print the IDs of some of our threads to stdout on creation */
+#define DCPOMATIC_DEBUG_THREADS 0
-int64_t
-divide_with_round (int64_t a, int64_t b)
+#if DCPOMATIC_DEBUG_THREADS
+void
+start_of_thread (string name)
{
- if (a % b >= (b / 2)) {
- return (a + b - 1) / b;
- } else {
- return a / b;
- }
+ std::cout << "THREAD:" << name << ":" << std::hex << pthread_self() << "\n";
}
-
-/** Return a user-readable string summarising the versions of our dependencies */
-string
-dependency_version_summary ()
+#else
+void
+start_of_thread (string)
{
- SafeStringStream s;
- s << N_("libopenjpeg ") << opj_version () << N_(", ")
- << N_("libavcodec ") << ffmpeg_version_to_string (avcodec_version()) << N_(", ")
- << N_("libavfilter ") << ffmpeg_version_to_string (avfilter_version()) << N_(", ")
- << N_("libavformat ") << ffmpeg_version_to_string (avformat_version()) << N_(", ")
- << N_("libavutil ") << ffmpeg_version_to_string (avutil_version()) << N_(", ")
- << N_("libswscale ") << ffmpeg_version_to_string (swscale_version()) << N_(", ")
- << MagickVersion << N_(", ")
- << N_("libssh ") << ssh_version (0) << N_(", ")
- << N_("libdcp ") << dcp::version << N_(" git ") << dcp::git_commit;
- return s.str ();
}
+#endif
-/** Construct a ScopedTemporary. A temporary filename is decided but the file is not opened
- * until ::open() is called.
- */
-ScopedTemporary::ScopedTemporary ()
- : _open (0)
-{
- _file = boost::filesystem::temp_directory_path() / boost::filesystem::unique_path ();
-}
-/** Close and delete the temporary file */
-ScopedTemporary::~ScopedTemporary ()
+string
+error_details(boost::system::error_code ec)
{
- close ();
- boost::system::error_code ec;
- boost::filesystem::remove (_file, ec);
+ return String::compose("%1:%2:%3", ec.category().name(), ec.value(), ec.message());
}
-/** @return temporary filename */
-char const *
-ScopedTemporary::c_str () const
-{
- return _file.string().c_str ();
-}
-/** Open the temporary file.
- * @return File's FILE pointer.
- */
-FILE*
-ScopedTemporary::open (char const * params)
+bool
+contains_assetmap(boost::filesystem::path dir)
{
- _open = fopen (c_str(), params);
- return _open;
+ return boost::filesystem::is_regular_file(dir / "ASSETMAP") || boost::filesystem::is_regular_file(dir / "ASSETMAP.xml");
}
-/** Close the file */
-void
-ScopedTemporary::close ()
-{
- if (_open) {
- fclose (_open);
- _open = 0;
- }
-}
-ContentTimePeriod
-subtitle_period (AVSubtitle const & sub)
+string
+word_wrap(string input, int columns)
{
- ContentTime const packet_time = ContentTime::from_seconds (static_cast<double> (sub.pts) / AV_TIME_BASE);
+ icu::Locale locale;
+ UErrorCode status = U_ZERO_ERROR;
+ auto iter = icu::BreakIterator::createLineInstance(locale, status);
+ ScopeGuard sg = [iter]() { delete iter; };
+ if (U_FAILURE(status)) {
+ return input;
+ }
- ContentTimePeriod period (
- packet_time + ContentTime::from_seconds (sub.start_display_time / 1e3),
- packet_time + ContentTime::from_seconds (sub.end_display_time / 1e3)
- );
+ auto input_icu = icu::UnicodeString::fromUTF8(icu::StringPiece(input));
+ iter->setText(input_icu);
+
+ int position = 0;
+ string output;
+ while (position < input_icu.length()) {
+ int end_of_line = iter->preceding(position + columns + 1);
+ icu::UnicodeString line;
+ if (end_of_line <= position) {
+ /* There's no good line-break position; just break in the middle of a word */
+ line = input_icu.tempSubString(position, columns);
+ position += columns;
+ } else {
+ line = input_icu.tempSubString(position, end_of_line - position);
+ position = end_of_line;
+ }
+ line.toUTF8String(output);
+ output += "\n";
+ }
- return period;
+ return output;
}
+