/*
- 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 <glib.h>
#include <openjpeg.h>
#include <openssl/md5.h>
+#include <pangomm/init.h>
#include <magick/MagickCore.h>
#include <magick/version.h>
-#include <pangomm/init.h>
#include <dcp/version.h>
#include <dcp/util.h>
#include <dcp/signer_chain.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"
#ifdef DCPOMATIC_WINDOWS
#include "stack.hpp"
#endif
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 ") << dcp::version << N_(" git ") << dcp::git_commit;
-
- return s.str ();
-}
-
double
seconds (struct timeval t)
{
dcp::init ();
Ratio::setup_ratios ();
+ VideoContentScale::setup_scales ();
DCPContentType::setup_dcp_content_types ();
Scaler::setup_scalers ();
Filter::setup_filters ();
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);
-}
-
/** @param An arbitrary audio frame rate.
* @return The appropriate DCP-approved frame rate (48kHz or 96kHz).
*/
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 (VideoFrame 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 == 8);
+ assert (MAX_AUDIO_CHANNELS == 12);
/* 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
_("Lfe (sub)"),
_("Left surround"),
_("Right surround"),
- _("HI"),
- _("VI")
+ _("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)
{
return dcp::Size (full_frame.width, rint (full_frame.width / ratio));
}
-DCPTime
-time_round_up (DCPTime t, DCPTime nearest)
-{
- DCPTime const a = t + nearest - 1;
- return a - (a % nearest);
-}
-
void *
wrapped_av_malloc (size_t s)
{
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 ();
+}
+
+ScopedTemporary::ScopedTemporary ()
+ : _open (0)
+{
+ _file = boost::filesystem::temp_directory_path() / boost::filesystem::unique_path ();
+}
+
+ScopedTemporary::~ScopedTemporary ()
+{
+ close ();
+ boost::system::error_code ec;
+ boost::filesystem::remove (_file, ec);
+}
+
+char const *
+ScopedTemporary::c_str () const
+{
+ return _file.string().c_str ();
+}
+
+FILE*
+ScopedTemporary::open (char const * params)
+{
+ _open = fopen (c_str(), params);
+ return _open;
+}
+
+void
+ScopedTemporary::close ()
+{
+ if (_open) {
+ fclose (_open);
+ _open = 0;
+ }
+}