/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
Copyright (C) 2000-2007 Paul Davis
This program is free software; you can redistribute it and/or modify
#include <iostream>
#include <fstream>
#include <climits>
+#include <stdexcept>
#ifdef DCPOMATIC_POSIX
#include <execinfo.h>
#include <cxxabi.h>
#include <boost/algorithm/string.hpp>
#include <boost/bind.hpp>
#include <boost/lambda/lambda.hpp>
-#include <boost/lexical_cast.hpp>
#include <boost/thread.hpp>
#include <boost/filesystem.hpp>
#ifdef DCPOMATIC_WINDOWS
#endif
#include <glib.h>
#include <openjpeg.h>
-#include <openssl/md5.h>
+#include <pangomm/init.h>
#include <magick/MagickCore.h>
#include <magick/version.h>
-#include <libdcp/version.h>
-#include <libdcp/util.h>
-#include <libdcp/signer_chain.h>
-#include <libdcp/signer.h>
+#include <dcp/version.h>
+#include <dcp/util.h>
+#include <dcp/signer_chain.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 <libpostproc/postprocess.h>
#include <libavutil/pixfmt.h>
}
#include "util.h"
#include "ratio.h"
#include "job.h"
#include "cross.h"
+#include "video_content.h"
+#include "rect.h"
+#include "md5_digester.h"
#ifdef DCPOMATIC_WINDOWS
#include "stack.hpp"
#endif
using std::max;
using std::list;
using std::multimap;
+using std::map;
using std::istream;
using std::numeric_limits;
using std::pair;
using std::cout;
+using std::bad_alloc;
using std::streampos;
+using std::set_terminate;
using boost::shared_ptr;
using boost::thread;
-using boost::lexical_cast;
using boost::optional;
-using libdcp::Size;
+using dcp::Size;
+using dcp::raw_convert;
static boost::thread::id ui_thread;
static boost::filesystem::path backtrace_file;
return s.str ();
}
-/** Return a user-readable string summarising the versions of our dependencies */
-string
-dependency_version_summary ()
-{
- stringstream 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_("libpostproc ") << ffmpeg_version_to_string (postproc_version()) << N_(", ")
- << N_("libswscale ") << ffmpeg_version_to_string (swscale_version()) << N_(", ")
- << MagickVersion << N_(", ")
- << N_("libssh ") << ssh_version (0) << N_(", ")
- << N_("libdcp ") << libdcp::version << N_(" git ") << libdcp::git_commit;
-
- return s.str ();
-}
-
double
seconds (struct timeval t)
{
{
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", i->instruction, i->function.c_str(), i->line, i->module.c_str());
+ fprintf (f, "%p %s %d %s\n", i->instruction, i->function.c_str(), i->line, i->module.c_str());
}
fclose (f);
return EXCEPTION_CONTINUE_SEARCH;
}
#endif
+/* From http://stackoverflow.com/questions/2443135/how-do-i-find-where-an-exception-was-thrown-in-c */
+void
+terminate ()
+{
+ static bool tried_throw = false;
+
+ try {
+ // try once to re-throw currently active exception
+ if (!tried_throw) {
+ tried_throw = true;
+ throw;
+ }
+ }
+ catch (const std::exception &e) {
+ std::cerr << __FUNCTION__ << " caught unhandled exception. what(): "
+ << e.what() << std::endl;
+ }
+ catch (...) {
+ 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.
*/
boost::filesystem::path lib = app_contents ();
lib /= "lib";
setenv ("LTDL_LIBRARY_PATH", lib.c_str (), 1);
-#endif
+#endif
- libdcp::init ();
+ set_terminate (terminate);
+
+ Pango::init ();
+ dcp::init ();
Ratio::setup_ratios ();
+ VideoContentScale::setup_scales ();
DCPContentType::setup_dcp_content_types ();
Scaler::setup_scalers ();
Filter::setup_filters ();
putenv (cmd);
snprintf (cmd, sizeof(cmd), "LANG=%s", lang.c_str ());
putenv (cmd);
+ snprintf (cmd, sizeof(cmd), "LC_ALL=%s", lang.c_str ());
+ putenv (cmd);
}
setlocale (LC_ALL, "");
return out;
}
-string
-md5_digest (void const * data, int size)
-{
- MD5_CTX md5_context;
- MD5_Init (&md5_context);
- MD5_Update (&md5_context, data, size);
- unsigned char digest[MD5_DIGEST_LENGTH];
- MD5_Final (digest, &md5_context);
-
- stringstream s;
- for (int i = 0; i < MD5_DIGEST_LENGTH; ++i) {
- s << std::hex << std::setfill('0') << std::setw(2) << ((int) digest[i]);
- }
-
- return s.str ();
-}
-
/** @param job Optional job for which to report progress */
string
md5_digest (vector<boost::filesystem::path> files, shared_ptr<Job> job)
boost::uintmax_t const buffer_size = 64 * 1024;
char buffer[buffer_size];
- MD5_CTX md5_context;
- MD5_Init (&md5_context);
+ MD5Digester digester;
vector<int64_t> sizes;
for (size_t i = 0; i < files.size(); ++i) {
while (remaining > 0) {
int const t = min (remaining, buffer_size);
fread (buffer, 1, t, f);
- MD5_Update (&md5_context, buffer, t);
+ digester.add (buffer, t);
remaining -= t;
if (job) {
fclose (f);
}
- unsigned char digest[MD5_DIGEST_LENGTH];
- MD5_Final (digest, &md5_context);
-
- stringstream s;
- for (int i = 0; i < MD5_DIGEST_LENGTH; ++i) {
- s << std::hex << std::setfill('0') << std::setw(2) << ((int) digest[i]);
- }
-
- return s.str ();
-}
-
-static bool
-about_equal (float a, float b)
-{
- /* A film of F seconds at f FPS will be Ff frames;
- Consider some delta FPS d, so if we run the same
- film at (f + d) FPS it will last F(f + d) seconds.
-
- Hence the difference in length over the length of the film will
- be F(f + d) - Ff frames
- = Ff + Fd - Ff frames
- = Fd frames
- = Fd/f seconds
-
- So if we accept a difference of 1 frame, ie 1/f seconds, we can
- say that
-
- 1/f = Fd/f
- ie 1 = Fd
- ie d = 1/F
-
- So for a 3hr film, ie F = 3 * 60 * 60 = 10800, the acceptable
- FPS error is 1/F ~= 0.0001 ~= 10-e4
- */
-
- return (fabs (a - b) < 1e-4);
+ return digester.get ();
}
/** @param An arbitrary audio frame rate.
} while (ec == boost::asio::error::would_block);
if (ec) {
- throw NetworkError (ec.message ());
+ throw NetworkError (String::compose (_("error during async_connect (%1)"), ec.value ()));
}
if (!_socket.is_open ()) {
_acceptor = 0;
if (ec) {
- throw NetworkError (ec.message ());
+ throw NetworkError (String::compose (_("error during async_accept (%1)"), ec.value ()));
}
}
} while (ec == boost::asio::error::would_block);
if (ec) {
- throw NetworkError (ec.message ());
+ throw NetworkError (String::compose (_("error during async_write (%1)"), ec.value ()));
}
}
} while (ec == boost::asio::error::would_block);
if (ec) {
- throw NetworkError (ec.message ());
+ throw NetworkError (String::compose (_("error during async_read (%1)"), ec.value ()));
}
}
get_required_int (multimap<string, string> const & kv, string k)
{
string const v = get_required_string (kv, k);
- return lexical_cast<int> (v);
+ return raw_convert<int> (v);
}
float
get_required_float (multimap<string, string> const & kv, string k)
{
string const v = get_required_string (kv, k);
- return lexical_cast<float> (v);
+ return raw_convert<float> (v);
}
string
return 0;
}
- return lexical_cast<int> (i->second);
+ return raw_convert<int> (i->second);
}
/** Trip an assert if the caller is not in the UI thread */
assert (boost::this_thread::get_id() == ui_thread);
}
-/** @param v Content video frame.
- * @param audio_sample_rate Source audio sample rate.
- * @param frames_per_second Number of video frames per second.
- * @return Equivalent number of audio frames for `v'.
- */
-int64_t
-video_frames_to_audio_frames (VideoContent::Frame v, float audio_sample_rate, float frames_per_second)
-{
- return ((int64_t) v * audio_sample_rate / frames_per_second);
-}
-
string
audio_channel_name (int c)
{
- assert (MAX_AUDIO_CHANNELS == 6);
+ assert (MAX_DCP_AUDIO_CHANNELS == 12);
/* TRANSLATORS: these are the names of audio channels; Lfe (sub) is the low-frequency
- enhancement channel (sub-woofer).
+ 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"),
_("Lfe (sub)"),
_("Left surround"),
_("Right surround"),
+ _("Hearing impaired"),
+ _("Visually impaired"),
+ _("Left centre"),
+ _("Right centre"),
+ _("Left rear surround"),
+ _("Right rear surround"),
};
return channels[c];
}
-FrameRateChange::FrameRateChange (float source, int dcp)
- : skip (false)
- , repeat (1)
- , change_speed (false)
-{
- if (fabs (source / 2.0 - dcp) < fabs (source - dcp)) {
- /* The difference between source and DCP frame rate will be lower
- (i.e. better) if we skip.
- */
- skip = true;
- } else if (fabs (source * 2 - dcp) < fabs (source - dcp)) {
- /* The difference between source and DCP frame rate would be better
- if we repeated each frame once; it may be better still if we
- repeated more than once. Work out the required repeat.
- */
- repeat = round (dcp / source);
- }
-
- speed_up = dcp / (source * factor());
- change_speed = !about_equal (speed_up, 1.0);
-
- if (!skip && repeat == 1 && !change_speed) {
- description = _("Content and DCP have the same rate.\n");
- } else {
- if (skip) {
- description = _("DCP will use every other frame of the content.\n");
- } else if (repeat == 2) {
- description = _("Each content frame will be doubled in the DCP.\n");
- } else if (repeat > 2) {
- description = String::compose (_("Each content frame will be repeated %1 more times in the DCP.\n"), repeat - 1);
- }
-
- if (change_speed) {
- float const pc = dcp * 100 / (source * factor());
- description += String::compose (_("DCP will run at %1%% of the content speed.\n"), pc);
- }
- }
-}
-
-LocaleGuard::LocaleGuard ()
- : _old (0)
-{
- char const * old = setlocale (LC_NUMERIC, 0);
-
- if (old) {
- _old = strdup (old);
- if (strcmp (_old, "C")) {
- setlocale (LC_NUMERIC, "C");
- }
- }
-}
-
-LocaleGuard::~LocaleGuard ()
-{
- setlocale (LC_NUMERIC, _old);
- free (_old);
-}
-
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");
+ return (ext == ".tif" || ext == ".tiff" || ext == ".jpg" || ext == ".jpeg" || ext == ".png" || ext == ".bmp" || ext == ".tga" || ext == ".dpx");
}
string
return t;
}
-shared_ptr<const libdcp::Signer>
+shared_ptr<const dcp::Signer>
make_signer ()
{
boost::filesystem::path const sd = Config::instance()->signer_chain_directory ();
if (!boost::filesystem::exists (p)) {
boost::filesystem::remove_all (sd);
boost::filesystem::create_directories (sd);
- libdcp::make_signer_chain (sd, openssl_path ());
+ dcp::make_signer_chain (sd, openssl_path ());
break;
}
++i;
}
- libdcp::CertificateChain chain;
+ dcp::CertificateChain chain;
{
boost::filesystem::path p (sd);
p /= "ca.self-signed.pem";
- chain.add (shared_ptr<libdcp::Certificate> (new libdcp::Certificate (p)));
+ chain.add (shared_ptr<dcp::Certificate> (new dcp::Certificate (p)));
}
{
boost::filesystem::path p (sd);
p /= "intermediate.signed.pem";
- chain.add (shared_ptr<libdcp::Certificate> (new libdcp::Certificate (p)));
+ chain.add (shared_ptr<dcp::Certificate> (new dcp::Certificate (p)));
}
{
boost::filesystem::path p (sd);
p /= "leaf.signed.pem";
- chain.add (shared_ptr<libdcp::Certificate> (new libdcp::Certificate (p)));
+ chain.add (shared_ptr<dcp::Certificate> (new dcp::Certificate (p)));
}
boost::filesystem::path signer_key (sd);
signer_key /= "leaf.key";
- return shared_ptr<const libdcp::Signer> (new libdcp::Signer (chain, signer_key));
+ return shared_ptr<const dcp::Signer> (new dcp::Signer (chain, signer_key));
}
-libdcp::Size
-fit_ratio_within (float ratio, libdcp::Size full_frame)
+map<string, string>
+split_get_request (string url)
+{
+ 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;
+ }
+ }
+
+ if (state == VALUE) {
+ r.insert (make_pair (k, v));
+ }
+
+ return r;
+}
+
+dcp::Size
+fit_ratio_within (float ratio, dcp::Size full_frame)
{
if (ratio < full_frame.ratio ()) {
- return libdcp::Size (rint (full_frame.height * ratio), full_frame.height);
+ return dcp::Size (rint (full_frame.height * ratio), full_frame.height);
}
- return libdcp::Size (full_frame.width, rint (full_frame.width / ratio));
+ return dcp::Size (full_frame.width, rint (full_frame.width / ratio));
+}
+
+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;
+}
+
+int64_t
+divide_with_round (int64_t a, int64_t b)
+{
+ if (a % b >= (b / 2)) {
+ return (a + b - 1) / b;
+ } else {
+ return a / b;
+ }
+}
+
+/** Return a user-readable string summarising the versions of our dependencies */
+string
+dependency_version_summary ()
+{
+ stringstream 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 ();
}
-DCPTime
-time_round_up (DCPTime t, DCPTime nearest)
+/** Construct a ScopedTemporary. A temporary filename is decided but the file is not opened
+ * until ::open() is called.
+ */
+ScopedTemporary::ScopedTemporary ()
+ : _open (0)
{
- DCPTime const a = t + nearest - 1;
- return a - (a % nearest);
+ _file = boost::filesystem::temp_directory_path() / boost::filesystem::unique_path ();
+}
+
+/** Close and delete the temporary file */
+ScopedTemporary::~ScopedTemporary ()
+{
+ close ();
+ boost::system::error_code ec;
+ boost::filesystem::remove (_file, ec);
+}
+
+/** @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)
+{
+ _open = fopen (c_str(), params);
+ return _open;
+}
+
+/** Close the file */
+void
+ScopedTemporary::close ()
+{
+ if (_open) {
+ fclose (_open);
+ _open = 0;
+ }
+}
+
+ContentTimePeriod
+subtitle_period (AVSubtitle const & sub)
+{
+ ContentTime const packet_time = ContentTime::from_seconds (static_cast<double> (sub.pts) / AV_TIME_BASE);
+
+ ContentTimePeriod period (
+ packet_time + ContentTime::from_seconds (sub.start_display_time / 1e3),
+ packet_time + ContentTime::from_seconds (sub.end_display_time / 1e3)
+ );
+
+ return period;
}