/*
- 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
+#include <boost/locale.hpp>
+#endif
+#include <glib.h>
#include <openjpeg.h>
-#include <openssl/md5.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 <libdcp/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 "exceptions.h"
#include "scaler.h"
-#include "format.h"
#include "dcp_content_type.h"
#include "filter.h"
#include "sound_processor.h"
#include "config.h"
+#include "ratio.h"
+#include "job.h"
+#include "cross.h"
+#include "video_content.h"
+#include "md5_digester.h"
+#ifdef DCPOMATIC_WINDOWS
+#include "stack.hpp"
+#endif
#include "i18n.h"
using std::vector;
using std::hex;
using std::setw;
-using std::ifstream;
using std::ios;
using std::min;
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 libdcp::raw_convert;
-thread::id ui_thread;
+static boost::thread::id ui_thread;
+static boost::filesystem::path backtrace_file;
/** Convert some number of seconds to a string representation
* in hours, minutes and seconds.
stringstream hms;
hms << h << N_(":");
hms.width (2);
- hms << setfill ('0') << m << N_(":");
+ hms << std::setfill ('0') << m << N_(":");
hms.width (2);
- hms << setfill ('0') << s;
+ hms << std::setfill ('0') << s;
return hms.str ();
}
m -= (h * 60);
stringstream ap;
-
- if (h > 0) {
- if (m > 30) {
+
+ bool const hours = h > 0;
+ bool const minutes = h < 10 && m > 0;
+ bool const seconds = m < 10 && s > 0;
+
+ if (hours) {
+ if (m > 30 && !minutes) {
ap << (h + 1) << N_(" ") << _("hours");
} else {
+ ap << h << N_(" ");
if (h == 1) {
- ap << N_("1 ") << _("hour");
+ ap << _("hour");
} else {
- ap << h << N_(" ") << _("hours");
+ ap << _("hours");
}
}
- } else if (m > 0) {
- if (m == 1) {
- ap << N_("1 ") << _("minute");
+
+ if (minutes | seconds) {
+ ap << N_(" ");
+ }
+ }
+
+ if (minutes) {
+ /* Minutes */
+ if (s > 30 && !seconds) {
+ ap << (m + 1) << N_(" ") << _("minutes");
} else {
- ap << m << N_(" ") << _("minutes");
+ ap << m << N_(" ");
+ if (m == 1) {
+ ap << _("minute");
+ } else {
+ ap << _("minutes");
+ }
+ }
+
+ if (seconds) {
+ ap << N_(" ");
+ }
+ }
+
+ if (seconds) {
+ /* Seconds */
+ ap << s << N_(" ");
+ if (s == 1) {
+ ap << _("second");
+ } else {
+ ap << _("seconds");
}
- } else {
- ap << s << N_(" ") << _("seconds");
}
return ap.str ();
stacktrace (ostream& out, int levels)
{
void *array[200];
- size_t size;
- char **strings;
- size_t i;
-
- size = backtrace (array, 200);
- strings = backtrace_symbols (array, size);
+ size_t size = backtrace (array, 200);
+ char** strings = backtrace_symbols (array, size);
if (strings) {
- for (i = 0; i < size && (levels == 0 || i < size_t(levels)); i++) {
- out << N_(" ") << demangle (strings[i]) << endl;
+ for (size_t i = 0; i < size && (levels == 0 || i < size_t(levels)); i++) {
+ out << N_(" ") << demangle (strings[i]) << "\n";
}
free (strings);
<< 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_(", ")
return t.tv_sec + (double (t.tv_usec) / 1e6);
}
+#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());
+ }
+ 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.
*/
void
dcpomatic_setup ()
{
+#ifdef DCPOMATIC_WINDOWS
+ backtrace_file /= g_get_user_config_dir ();
+ backtrace_file /= "backtrace.txt";
+ 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()).
+
+ After this, constructing boost::filesystem::paths from strings
+ converts from UTF-8 to UTF-16 inside the path. Then
+ path::string().c_str() gives UTF-8 and
+ path::c_str() gives UTF-16.
+
+ This is all Windows-only. AFAICT Linux/OS X use UTF-8 everywhere,
+ so things are much simpler.
+ */
+ std::locale::global (boost::locale::generator().generate (""));
+ boost::filesystem::path::imbue (std::locale ());
+#endif
+
avfilter_register_all ();
+
+#ifdef DCPOMATIC_OSX
+ /* Add our lib directory to the libltdl search path so that
+ xmlsec can find xmlsec1-openssl.
+ */
+ boost::filesystem::path lib = app_contents ();
+ lib /= "lib";
+ setenv ("LTDL_LIBRARY_PATH", lib.c_str (), 1);
+#endif
+
+ set_terminate (terminate);
+
+ libdcp::init ();
- Format::setup_formats ();
+ Ratio::setup_ratios ();
+ VideoContentScale::setup_scales ();
DCPContentType::setup_dcp_content_types ();
Scaler::setup_scalers ();
Filter::setup_filters ();
#endif
void
-dcpomatic_setup_i18n (string lang)
+dcpomatic_setup_gettext_i18n (string lang)
{
#ifdef DCPOMATIC_POSIX
lang += ".UTF8";
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, "");
#endif
}
-/** @param start Start position for the crop within the image.
- * @param size Size of the cropped area.
- * @return FFmpeg crop filter string.
- */
-string
-crop_string (Position start, libdcp::Size size)
-{
- stringstream s;
- s << N_("crop=") << size.width << N_(":") << size.height << N_(":") << start.x << N_(":") << start.y;
- return s.str ();
-}
-
/** @param s A string.
* @return Parts of the string split at spaces, except when a space is within quotation marks.
*/
return out;
}
+/** @param job Optional job for which to report progress */
string
-md5_digest (void const * data, int size)
+md5_digest (vector<boost::filesystem::path> files, shared_ptr<Job> job)
{
- 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 << hex << setfill('0') << setw(2) << ((int) digest[i]);
- }
-
- return s.str ();
-}
-
-/** @param file File name.
- * @return MD5 digest of file's contents.
- */
-string
-md5_digest (boost::filesystem::path file)
-{
- ifstream f (file.string().c_str(), ios::binary);
- if (!f.good ()) {
- throw OpenFileError (file.string());
- }
-
- f.seekg (0, ios::end);
- int bytes = f.tellg ();
- f.seekg (0, ios::beg);
-
- int const buffer_size = 64 * 1024;
+ boost::uintmax_t const buffer_size = 64 * 1024;
char buffer[buffer_size];
- MD5_CTX md5_context;
- MD5_Init (&md5_context);
- while (bytes > 0) {
- int const t = min (bytes, buffer_size);
- f.read (buffer, t);
- MD5_Update (&md5_context, buffer, t);
- bytes -= t;
- }
-
- unsigned char digest[MD5_DIGEST_LENGTH];
- MD5_Final (digest, &md5_context);
+ MD5Digester digester;
- stringstream s;
- for (int i = 0; i < MD5_DIGEST_LENGTH; ++i) {
- s << hex << setfill('0') << setw(2) << ((int) digest[i]);
+ vector<int64_t> sizes;
+ for (size_t i = 0; i < files.size(); ++i) {
+ sizes.push_back (boost::filesystem::file_size (files[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);
-}
-
-class FrameRateCandidate
-{
-public:
- FrameRateCandidate (float source_, int dcp_)
- : source (source_)
- , dcp (dcp_)
- {}
-
- float source;
- int dcp;
-};
-
-int
-best_dcp_frame_rate (float source_fps)
-{
- list<int> const allowed_dcp_frame_rates = Config::instance()->allowed_dcp_frame_rates ();
-
- /* Work out what rates we could manage, including those achieved by using skip / repeat. */
- list<FrameRateCandidate> candidates;
-
- /* Start with the ones without skip / repeat so they will get matched in preference to skipped/repeated ones */
- for (list<int>::const_iterator i = allowed_dcp_frame_rates.begin(); i != allowed_dcp_frame_rates.end(); ++i) {
- candidates.push_back (FrameRateCandidate (*i, *i));
- }
+ for (size_t i = 0; i < files.size(); ++i) {
+ FILE* f = fopen_boost (files[i], "rb");
+ if (!f) {
+ throw OpenFileError (files[i].string());
+ }
- /* Then the skip/repeat ones */
- for (list<int>::const_iterator i = allowed_dcp_frame_rates.begin(); i != allowed_dcp_frame_rates.end(); ++i) {
- candidates.push_back (FrameRateCandidate (float (*i) / 2, *i));
- candidates.push_back (FrameRateCandidate (float (*i) * 2, *i));
- }
+ boost::uintmax_t const bytes = boost::filesystem::file_size (files[i]);
+ boost::uintmax_t remaining = bytes;
- /* Pick the best one, bailing early if we hit an exact match */
- float error = numeric_limits<float>::max ();
- boost::optional<FrameRateCandidate> best;
- list<FrameRateCandidate>::iterator i = candidates.begin();
- while (i != candidates.end()) {
-
- if (about_equal (i->source, source_fps)) {
- best = *i;
- break;
- }
+ while (remaining > 0) {
+ int const t = min (remaining, buffer_size);
+ fread (buffer, 1, t, f);
+ digester.add (buffer, t);
+ remaining -= t;
- float const e = fabs (i->source - source_fps);
- if (e < error) {
- error = e;
- best = *i;
+ if (job) {
+ job->set_progress ((float (i) + 1 - float(remaining) / bytes) / files.size ());
+ }
}
- ++i;
+ fclose (f);
}
- assert (best);
- return best->dcp;
+ return digester.get ();
}
-/** @param An arbitrary sampling rate.
- * @return The appropriate DCP-approved sampling rate (48kHz or 96kHz).
+/** @param An arbitrary audio frame rate.
+ * @return The appropriate DCP-approved frame rate (48kHz or 96kHz).
*/
int
-dcp_audio_sample_rate (int fs)
+dcp_audio_frame_rate (int fs)
{
if (fs <= 48000) {
return 48000;
return 96000;
}
-/** @param index Colour LUT index.
- * @return Human-readable name.
- */
-string
-colour_lut_index_to_name (int index)
-{
- switch (index) {
- case 0:
- return _("sRGB");
- case 1:
- return _("Rec 709");
- }
-
- assert (false);
- return N_("");
-}
-
Socket::Socket (int timeout)
: _deadline (_io_service)
, _socket (_io_service)
+ , _acceptor (0)
, _timeout (timeout)
{
_deadline.expires_at (boost::posix_time::pos_infin);
check ();
}
+Socket::~Socket ()
+{
+ delete _acceptor;
+}
+
void
Socket::check ()
{
if (_deadline.expires_at() <= boost::asio::deadline_timer::traits_type::now ()) {
- _socket.close ();
+ if (_acceptor) {
+ _acceptor->cancel ();
+ } else {
+ _socket.close ();
+ }
_deadline.expires_at (boost::posix_time::pos_infin);
}
* @param endpoint End-point to connect to.
*/
void
-Socket::connect (boost::asio::ip::basic_resolver_entry<boost::asio::ip::tcp> const & endpoint)
+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;
_io_service.run_one();
} while (ec == boost::asio::error::would_block);
- if (ec || !_socket.is_open ()) {
+ if (ec) {
+ throw NetworkError (String::compose (_("error during async_connect (%1)"), ec.value ()));
+ }
+
+ if (!_socket.is_open ()) {
throw NetworkError (_("connect timed out"));
}
}
+void
+Socket::accept (int port)
+{
+ _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 ()));
+ }
+}
+
/** Blocking write.
* @param data Buffer to write.
* @param size Number of bytes to write.
} 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 ()));
}
}
return ntohl (v);
}
-/** @param other A Rect.
- * @return The intersection of this with `other'.
- */
-Rect
-Rect::intersection (Rect const & other) const
-{
- int const tx = max (x, other.x);
- int const ty = max (y, other.y);
-
- return Rect (
- tx, ty,
- min (x + width, other.x + other.width) - tx,
- min (y + height, other.y + other.height) - ty
- );
-}
-
/** Round a number up to the nearest multiple of another number.
* @param c Index.
* @param s Array of numbers to round, indexed by c.
return a - (a % t);
}
-int
-stride_lookup (int c, int const * stride)
-{
- return stride[c];
-}
-
/** 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
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);
}
-/** Construct an AudioBuffers. Audio data is undefined after this constructor.
- * @param channels Number of channels.
- * @param frames Number of frames to reserve space for.
- */
-AudioBuffers::AudioBuffers (int channels, int frames)
- : _channels (channels)
- , _frames (frames)
- , _allocated_frames (frames)
+/** Trip an assert if the caller is not in the UI thread */
+void
+ensure_ui_thread ()
{
- _data = new float*[_channels];
- for (int i = 0; i < _channels; ++i) {
- _data[i] = new float[frames];
- }
+ assert (boost::this_thread::get_id() == ui_thread);
}
-/** Copy constructor.
- * @param other Other AudioBuffers; data is copied.
+/** @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'.
*/
-AudioBuffers::AudioBuffers (AudioBuffers const & other)
- : _channels (other._channels)
- , _frames (other._frames)
- , _allocated_frames (other._frames)
+int64_t
+video_frames_to_audio_frames (VideoContent::Frame v, float audio_sample_rate, float frames_per_second)
{
- _data = new float*[_channels];
- for (int i = 0; i < _channels; ++i) {
- _data[i] = new float[_frames];
- memcpy (_data[i], other._data[i], _frames * sizeof (float));
- }
+ return ((int64_t) v * audio_sample_rate / frames_per_second);
}
-/** AudioBuffers destructor */
-AudioBuffers::~AudioBuffers ()
+string
+audio_channel_name (int c)
{
- for (int i = 0; i < _channels; ++i) {
- delete[] _data[i];
- }
+ assert (MAX_DCP_AUDIO_CHANNELS == 12);
- delete[] _data;
-}
+ /* 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"),
+ };
-/** @param c Channel index.
- * @return Buffer for this channel.
- */
-float*
-AudioBuffers::data (int c) const
-{
- assert (c >= 0 && c < _channels);
- return _data[c];
+ return channels[c];
}
-/** Set the number of frames that these AudioBuffers will report themselves
- * as having.
- * @param f Frames; must be less than or equal to the number of allocated frames.
- */
-void
-AudioBuffers::set_frames (int f)
+bool
+valid_image_file (boost::filesystem::path f)
{
- assert (f <= _allocated_frames);
- _frames = 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");
}
-/** Make all samples on all channels silent */
-void
-AudioBuffers::make_silent ()
+string
+tidy_for_filename (string f)
{
- for (int i = 0; i < _channels; ++i) {
- make_silent (i);
+ string t;
+ for (size_t i = 0; i < f.length(); ++i) {
+ if (isalnum (f[i]) || f[i] == '_' || f[i] == '-') {
+ t += f[i];
+ } else {
+ t += '_';
+ }
}
+
+ return t;
}
-/** Make all samples on a given channel silent.
- * @param c Channel.
- */
-void
-AudioBuffers::make_silent (int c)
+shared_ptr<const libdcp::Signer>
+make_signer ()
{
- assert (c >= 0 && c < _channels);
+ boost::filesystem::path const sd = Config::instance()->signer_chain_directory ();
+
+ /* Remake the chain if any of it is missing */
- for (int i = 0; i < _frames; ++i) {
- _data[c][i] = 0;
+ list<boost::filesystem::path> files;
+ files.push_back ("ca.self-signed.pem");
+ files.push_back ("intermediate.signed.pem");
+ files.push_back ("leaf.signed.pem");
+ files.push_back ("leaf.key");
+
+ list<boost::filesystem::path>::const_iterator i = files.begin();
+ while (i != files.end()) {
+ boost::filesystem::path p (sd);
+ p /= *i;
+ if (!boost::filesystem::exists (p)) {
+ boost::filesystem::remove_all (sd);
+ boost::filesystem::create_directories (sd);
+ libdcp::make_signer_chain (sd, openssl_path ());
+ break;
+ }
+
+ ++i;
}
-}
+
+ libdcp::CertificateChain chain;
-/** Copy data from another AudioBuffers to this one. All channels are copied.
- * @param from AudioBuffers to copy from; must have the same number of channels as this.
- * @param frames_to_copy Number of frames to copy.
- * @param read_offset Offset to read from in `from'.
- * @param write_offset Offset to write to in `to'.
- */
-void
-AudioBuffers::copy_from (AudioBuffers* from, int frames_to_copy, int read_offset, int write_offset)
-{
- assert (from->channels() == channels());
+ {
+ boost::filesystem::path p (sd);
+ p /= "ca.self-signed.pem";
+ chain.add (shared_ptr<libdcp::Certificate> (new libdcp::Certificate (p)));
+ }
- assert (from);
- assert (read_offset >= 0 && (read_offset + frames_to_copy) <= from->_allocated_frames);
- assert (write_offset >= 0 && (write_offset + frames_to_copy) <= _allocated_frames);
+ {
+ boost::filesystem::path p (sd);
+ p /= "intermediate.signed.pem";
+ chain.add (shared_ptr<libdcp::Certificate> (new libdcp::Certificate (p)));
+ }
- for (int i = 0; i < _channels; ++i) {
- memcpy (_data[i] + write_offset, from->_data[i] + read_offset, frames_to_copy * sizeof(float));
+ {
+ boost::filesystem::path p (sd);
+ p /= "leaf.signed.pem";
+ chain.add (shared_ptr<libdcp::Certificate> (new libdcp::Certificate (p)));
}
+
+ boost::filesystem::path signer_key (sd);
+ signer_key /= "leaf.key";
+
+ return shared_ptr<const libdcp::Signer> (new libdcp::Signer (chain, signer_key));
}
-/** Move audio data around.
- * @param from Offset to move from.
- * @param to Offset to move to.
- * @param frames Number of frames to move.
- */
-
-void
-AudioBuffers::move (int from, int to, int frames)
+map<string, string>
+split_get_request (string url)
{
- if (frames == 0) {
- return;
- }
-
- assert (from >= 0);
- assert (from < _frames);
- assert (to >= 0);
- assert (to < _frames);
- assert (frames > 0);
- assert (frames <= _frames);
- assert ((from + frames) <= _frames);
- assert ((to + frames) <= _frames);
+ enum {
+ AWAITING_QUESTION_MARK,
+ KEY,
+ VALUE
+ } state = AWAITING_QUESTION_MARK;
- for (int i = 0; i < _channels; ++i) {
- memmove (_data[i] + to, _data[i] + from, frames * sizeof(float));
+ 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;
+ }
}
-}
-/** Add data from from `from', `from_channel' to our channel `to_channel' */
-void
-AudioBuffers::accumulate (shared_ptr<AudioBuffers> from, int from_channel, int to_channel)
-{
- int const N = frames ();
- assert (from->frames() == N);
+ if (state == VALUE) {
+ r.insert (make_pair (k, v));
+ }
- float* s = from->data (from_channel);
- float* d = _data[to_channel];
+ return r;
+}
- for (int i = 0; i < N; ++i) {
- *d++ += *s++;
+libdcp::Size
+fit_ratio_within (float ratio, libdcp::Size full_frame)
+{
+ if (ratio < full_frame.ratio ()) {
+ return libdcp::Size (rint (full_frame.height * ratio), full_frame.height);
}
+
+ return libdcp::Size (full_frame.width, rint (full_frame.width / ratio));
}
-/** Trip an assert if the caller is not in the UI thread */
-void
-ensure_ui_thread ()
+void *
+wrapped_av_malloc (size_t s)
{
- assert (boost::this_thread::get_id() == ui_thread);
+ void* p = av_malloc (s);
+ if (!p) {
+ throw bad_alloc ();
+ }
+ return p;
}
-
-/** @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 (ContentVideoFrame v, float audio_sample_rate, float frames_per_second)
+
+string
+entities_to_text (string e)
{
- return ((int64_t) v * audio_sample_rate / frames_per_second);
+ boost::algorithm::replace_all (e, "%3A", ":");
+ boost::algorithm::replace_all (e, "%2F", "/");
+ return e;
}
-/** @return A pair containing CPU model name and the number of processors */
-pair<string, int>
-cpu_info ()
+int64_t
+divide_with_round (int64_t a, int64_t b)
{
- pair<string, int> info;
- info.second = 0;
-
-#ifdef DCPOMATIC_POSIX
- ifstream f (N_("/proc/cpuinfo"));
- while (f.good ()) {
- string l;
- getline (f, l);
- if (boost::algorithm::starts_with (l, N_("model name"))) {
- string::size_type const c = l.find (':');
- if (c != string::npos) {
- info.first = l.substr (c + 2);
- }
- } else if (boost::algorithm::starts_with (l, N_("processor"))) {
- ++info.second;
- }
+ if (a % b >= (b / 2)) {
+ return (a + b - 1) / b;
+ } else {
+ return a / b;
}
-#endif
-
- return info;
}
-string
-audio_channel_name (int c)
+ScopedTemporary::ScopedTemporary ()
+ : _open (0)
{
- assert (MAX_AUDIO_CHANNELS == 6);
-
- /* 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"),
- };
-
- return channels[c];
+ _file = boost::filesystem::temp_directory_path() / boost::filesystem::unique_path ();
}
-FrameRateConversion::FrameRateConversion (float source, int dcp)
- : skip (false)
- , repeat (false)
- , change_speed (false)
+ScopedTemporary::~ScopedTemporary ()
{
- if (fabs (source / 2.0 - dcp) < (fabs (source - dcp))) {
- skip = true;
- } else if (fabs (source * 2 - dcp) < fabs (source - dcp)) {
- repeat = true;
- }
+ close ();
+ boost::system::error_code ec;
+ boost::filesystem::remove (_file, ec);
+}
- change_speed = !about_equal (source * factor(), dcp);
+char const *
+ScopedTemporary::c_str () const
+{
+ return _file.string().c_str ();
+}
- if (!skip && !repeat && !change_speed) {
- description = _("DCP and source have the same rate.\n");
- } else {
- if (skip) {
- description = _("DCP will use every other frame of the source.\n");
- } else if (repeat) {
- description = _("Each source frame will be doubled in the DCP.\n");
- }
+FILE*
+ScopedTemporary::open (char const * params)
+{
+ _open = fopen (c_str(), params);
+ return _open;
+}
- if (change_speed) {
- float const pc = dcp * 100 / (source * factor());
- description += String::compose (_("DCP will run at %1%% of the source speed.\n"), pc);
- }
+void
+ScopedTemporary::close ()
+{
+ if (_open) {
+ fclose (_open);
+ _open = 0;
}
}