X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fvideo_content.cc;h=8c6f6c7eb7ae11c39aada00f73ed0113c76febca;hb=e60bb3e51bd1508b149e6b8f6608f09b5196ae26;hp=bd24621f79fe72c144d04bf33edaf908cadb61b8;hpb=308488324dbc4d8b709d3fb1dc9fee0479346c21;p=dcpomatic.git diff --git a/src/lib/video_content.cc b/src/lib/video_content.cc index bd24621f7..8c6f6c7eb 100644 --- a/src/lib/video_content.cc +++ b/src/lib/video_content.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2013-2014 Carl Hetherington + Copyright (C) 2013-2015 Carl Hetherington This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -17,10 +17,6 @@ */ -#include -#include -#include -#include #include "video_content.h" #include "video_examiner.h" #include "compose.hpp" @@ -30,66 +26,85 @@ #include "util.h" #include "film.h" #include "exceptions.h" +#include "frame_rate_change.h" +#include "log.h" +#include "safe_stringstream.h" +#include "raw_convert.h" +#include +#include +#include #include "i18n.h" +#define LOG_GENERAL(...) film->log()->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL); + int const VideoContentProperty::VIDEO_SIZE = 0; int const VideoContentProperty::VIDEO_FRAME_RATE = 1; int const VideoContentProperty::VIDEO_FRAME_TYPE = 2; int const VideoContentProperty::VIDEO_CROP = 3; int const VideoContentProperty::VIDEO_SCALE = 4; int const VideoContentProperty::COLOUR_CONVERSION = 5; +int const VideoContentProperty::VIDEO_FADE_IN = 6; +int const VideoContentProperty::VIDEO_FADE_OUT = 7; using std::string; -using std::stringstream; using std::setprecision; using std::cout; using std::vector; +using std::min; +using std::max; +using std::stringstream; +using std::fixed; +using std::setprecision; using boost::shared_ptr; using boost::optional; using boost::dynamic_pointer_cast; -using dcp::raw_convert; -vector VideoContentScale::_scales; - -VideoContent::VideoContent (shared_ptr f) - : Content (f) +VideoContent::VideoContent (shared_ptr film) + : Content (film) , _video_length (0) , _video_frame_rate (0) , _video_frame_type (VIDEO_FRAME_TYPE_2D) - , _scale (Ratio::from_id ("185")) + , _scale (VideoContentScale (Ratio::from_id ("178"))) + , _fade_in (0) + , _fade_out (0) { - setup_default_colour_conversion (); + set_default_colour_conversion (); } -VideoContent::VideoContent (shared_ptr f, DCPTime s, ContentTime len) - : Content (f, s) +VideoContent::VideoContent (shared_ptr film, DCPTime s, Frame len) + : Content (film, s) , _video_length (len) , _video_frame_rate (0) , _video_frame_type (VIDEO_FRAME_TYPE_2D) - , _scale (Ratio::from_id ("185")) + , _scale (VideoContentScale (Ratio::from_id ("178"))) + , _fade_in (0) + , _fade_out (0) { - setup_default_colour_conversion (); + set_default_colour_conversion (); } -VideoContent::VideoContent (shared_ptr f, boost::filesystem::path p) - : Content (f, p) +VideoContent::VideoContent (shared_ptr film, boost::filesystem::path p) + : Content (film, p) , _video_length (0) , _video_frame_rate (0) , _video_frame_type (VIDEO_FRAME_TYPE_2D) - , _scale (Ratio::from_id ("185")) + , _scale (VideoContentScale (Ratio::from_id ("178"))) + , _fade_in (0) + , _fade_out (0) { - setup_default_colour_conversion (); + set_default_colour_conversion (); } -VideoContent::VideoContent (shared_ptr f, shared_ptr node, int version) - : Content (f, node) +VideoContent::VideoContent (shared_ptr film, cxml::ConstNodePtr node, int version) + : Content (film, node) { - _video_length = ContentTime (node->number_child ("VideoLength")); _video_size.width = node->number_child ("VideoWidth"); _video_size.height = node->number_child ("VideoHeight"); _video_frame_rate = node->number_child ("VideoFrameRate"); + _video_length = node->number_child ("VideoLength"); _video_frame_type = static_cast (node->number_child ("VideoFrameType")); + _sample_aspect_ratio = node->optional_number_child ("SampleAspectRatio"); _crop.left = node->number_child ("LeftCrop"); _crop.right = node->number_child ("RightCrop"); _crop.top = node->number_child ("TopCrop"); @@ -103,16 +118,25 @@ VideoContent::VideoContent (shared_ptr f, shared_ptrnode_child ("Scale")); } - - _colour_conversion = ColourConversion (node->node_child ("ColourConversion")); + + + if (node->optional_node_child ("ColourConversion")) { + _colour_conversion = ColourConversion (node->node_child ("ColourConversion"), version); + } + if (version >= 32) { + _fade_in = node->number_child ("FadeIn"); + _fade_out = node->number_child ("FadeOut"); + } else { + _fade_in = _fade_out = 0; + } } -VideoContent::VideoContent (shared_ptr f, vector > c) - : Content (f, c) +VideoContent::VideoContent (shared_ptr film, vector > c) + : Content (film, c) , _video_length (0) { shared_ptr ref = dynamic_pointer_cast (c[0]); - assert (ref); + DCPOMATIC_ASSERT (ref); for (size_t i = 0; i < c.size(); ++i) { shared_ptr vc = dynamic_pointer_cast (c[i]); @@ -141,6 +165,10 @@ VideoContent::VideoContent (shared_ptr f, vector throw JoinError (_("Content to be joined must have the same colour conversion.")); } + if (vc->fade_in() != ref->fade_in() || vc->fade_out() != ref->fade_out()) { + throw JoinError (_("Content to be joined must have the same fades.")); + } + _video_length += vc->video_length (); } @@ -150,29 +178,37 @@ VideoContent::VideoContent (shared_ptr f, vector _crop = ref->crop (); _scale = ref->scale (); _colour_conversion = ref->colour_conversion (); + _fade_in = ref->fade_in (); + _fade_out = ref->fade_out (); } void VideoContent::as_xml (xmlpp::Node* node) const { boost::mutex::scoped_lock lm (_mutex); - node->add_child("VideoLength")->add_child_text (raw_convert (_video_length.get ())); + node->add_child("VideoLength")->add_child_text (raw_convert (_video_length)); node->add_child("VideoWidth")->add_child_text (raw_convert (_video_size.width)); node->add_child("VideoHeight")->add_child_text (raw_convert (_video_size.height)); node->add_child("VideoFrameRate")->add_child_text (raw_convert (_video_frame_rate)); node->add_child("VideoFrameType")->add_child_text (raw_convert (static_cast (_video_frame_type))); - node->add_child("LeftCrop")->add_child_text (raw_convert (_crop.left)); - node->add_child("RightCrop")->add_child_text (raw_convert (_crop.right)); - node->add_child("TopCrop")->add_child_text (raw_convert (_crop.top)); - node->add_child("BottomCrop")->add_child_text (raw_convert (_crop.bottom)); + if (_sample_aspect_ratio) { + node->add_child("SampleAspectRatio")->add_child_text (raw_convert (_sample_aspect_ratio.get ())); + } + _crop.as_xml (node); _scale.as_xml (node->add_child("Scale")); - _colour_conversion.as_xml (node->add_child("ColourConversion")); + if (_colour_conversion) { + _colour_conversion.get().as_xml (node->add_child("ColourConversion")); + } + node->add_child("FadeIn")->add_child_text (raw_convert (_fade_in)); + node->add_child("FadeOut")->add_child_text (raw_convert (_fade_out)); } void -VideoContent::setup_default_colour_conversion () +VideoContent::set_default_colour_conversion () { - _colour_conversion = PresetColourConversion (_("sRGB"), 2.4, true, dcp::colour_matrix::srgb_to_xyz, 2.6).conversion; + /* If there's no better offer we'll use Rec. 709 */ + boost::mutex::scoped_lock lm (_mutex); + _colour_conversion = PresetColourConversion::from_id ("rec709").conversion; } void @@ -180,36 +216,34 @@ VideoContent::take_from_video_examiner (shared_ptr d) { /* These examiner calls could call other content methods which take a lock on the mutex */ dcp::Size const vs = d->video_size (); - float const vfr = d->video_frame_rate (); - + optional const vfr = d->video_frame_rate (); + Frame vl = d->video_length (); + optional const ar = d->sample_aspect_ratio (); + { boost::mutex::scoped_lock lm (_mutex); _video_size = vs; - _video_frame_rate = vfr; + /* Default video frame rate to 24fps if the examiner doesn't know */ + _video_frame_rate = vfr.get_value_or (24); + _video_length = vl; + _sample_aspect_ratio = ar; + + /* Guess correct scale from size and sample aspect ratio */ + _scale = VideoContentScale ( + Ratio::nearest_from_ratio (float (_video_size.width) * ar.get_value_or (1) / _video_size.height) + ); } - - signal_changed (VideoContentProperty::VIDEO_SIZE); - signal_changed (VideoContentProperty::VIDEO_FRAME_RATE); -} + shared_ptr film = _film.lock (); + DCPOMATIC_ASSERT (film); + LOG_GENERAL ("Video length obtained from header as %1 frames", _video_length); -string -VideoContent::information () const -{ - if (video_size().width == 0 || video_size().height == 0) { - return ""; - } - - stringstream s; + set_default_colour_conversion (); - s << String::compose ( - _("%1x%2 pixels (%3:1)"), - video_size().width, - video_size().height, - setprecision (3), video_size().ratio () - ); - - return s.str (); + signal_changed (VideoContentProperty::VIDEO_SIZE); + signal_changed (VideoContentProperty::VIDEO_FRAME_RATE); + signal_changed (VideoContentProperty::VIDEO_SCALE); + signal_changed (ContentProperty::LENGTH); } void @@ -217,14 +251,14 @@ VideoContent::set_left_crop (int c) { { boost::mutex::scoped_lock lm (_mutex); - + if (_crop.left == c) { return; } - + _crop.left = c; } - + signal_changed (VideoContentProperty::VIDEO_CROP); } @@ -236,10 +270,10 @@ VideoContent::set_right_crop (int c) if (_crop.right == c) { return; } - + _crop.right = c; } - + signal_changed (VideoContentProperty::VIDEO_CROP); } @@ -251,10 +285,10 @@ VideoContent::set_top_crop (int c) if (_crop.top == c) { return; } - + _crop.top = c; } - + signal_changed (VideoContentProperty::VIDEO_CROP); } @@ -266,7 +300,7 @@ VideoContent::set_bottom_crop (int c) if (_crop.bottom == c) { return; } - + _crop.bottom = c; } @@ -292,14 +326,19 @@ VideoContent::set_scale (VideoContentScale s) string VideoContent::identifier () const { - stringstream s; + SafeStringStream s; s << Content::identifier() << "_" << crop().left << "_" << crop().right << "_" << crop().top << "_" << crop().bottom << "_" << scale().id() - << "_" << colour_conversion().identifier (); + << "_" << _fade_in + << "_" << _fade_out; + + if (colour_conversion()) { + s << "_" << colour_conversion().get().identifier (); + } return s.str (); } @@ -318,13 +357,19 @@ VideoContent::set_video_frame_type (VideoFrameType t) string VideoContent::technical_summary () const { - return String::compose ( - "video: length %1, size %2x%3, rate %4", - video_length_after_3d_combine().seconds(), + string s = String::compose ( + N_("video: length %1 frames, size %2x%3, rate %4"), + video_length_after_3d_combine(), video_size().width, video_size().height, video_frame_rate() ); + + if (sample_aspect_ratio ()) { + s += String::compose (N_(", sample aspect ratio %1"), (sample_aspect_ratio().get ())); + } + + return s; } dcp::Size @@ -343,7 +388,20 @@ VideoContent::video_size_after_3d_split () const return dcp::Size (s.width, s.height / 2); } - assert (false); + DCPOMATIC_ASSERT (false); +} + +void +VideoContent::unset_colour_conversion (bool signal) +{ + { + boost::mutex::scoped_lock lm (_mutex); + _colour_conversion = boost::optional (); + } + + if (signal) { + signal_changed (VideoContentProperty::COLOUR_CONVERSION); + } } void @@ -357,6 +415,28 @@ VideoContent::set_colour_conversion (ColourConversion c) signal_changed (VideoContentProperty::COLOUR_CONVERSION); } +void +VideoContent::set_fade_in (Frame t) +{ + { + boost::mutex::scoped_lock lm (_mutex); + _fade_in = t; + } + + signal_changed (VideoContentProperty::VIDEO_FADE_IN); +} + +void +VideoContent::set_fade_out (Frame t) +{ + { + boost::mutex::scoped_lock lm (_mutex); + _fade_out = t; + } + + signal_changed (VideoContentProperty::VIDEO_FADE_OUT); +} + /** @return Video size after 3D split and crop */ dcp::Size VideoContent::video_size_after_crop () const @@ -364,134 +444,128 @@ VideoContent::video_size_after_crop () const return crop().apply (video_size_after_3d_split ()); } -/** @param t A time offset from the start of this piece of content. - * @return Corresponding time with respect to the content. - */ -ContentTime -VideoContent::dcp_time_to_content_time (DCPTime t) const +void +VideoContent::scale_and_crop_to_fit_width () { shared_ptr film = _film.lock (); - assert (film); - return ContentTime (t, FrameRateChange (video_frame_rate(), film->video_frame_rate())); -} + DCPOMATIC_ASSERT (film); -VideoContentScale::VideoContentScale (Ratio const * r) - : _ratio (r) - , _scale (true) -{ + set_scale (VideoContentScale (film->container ())); + int const crop = max (0, int (video_size().height - double (film->frame_size().height) * video_size().width / film->frame_size().width)); + set_top_crop (crop / 2); + set_bottom_crop (crop / 2); } -VideoContentScale::VideoContentScale () - : _ratio (0) - , _scale (false) +void +VideoContent::scale_and_crop_to_fit_height () { + shared_ptr film = _film.lock (); + DCPOMATIC_ASSERT (film); -} - -VideoContentScale::VideoContentScale (bool scale) - : _ratio (0) - , _scale (scale) -{ + set_scale (VideoContentScale (film->container ())); + int const crop = max (0, int (video_size().width - double (film->frame_size().width) * video_size().height / film->frame_size().height)); + set_left_crop (crop / 2); + set_right_crop (crop / 2); } -VideoContentScale::VideoContentScale (shared_ptr node) - : _ratio (0) - , _scale (true) +void +VideoContent::set_video_frame_rate (float r) { - optional r = node->optional_string_child ("Ratio"); - if (r) { - _ratio = Ratio::from_id (r.get ()); - } else { - _scale = node->bool_child ("Scale"); + { + boost::mutex::scoped_lock lm (_mutex); + if (_video_frame_rate == r) { + return; + } + + _video_frame_rate = r; } + + signal_changed (VideoContentProperty::VIDEO_FRAME_RATE); } -void -VideoContentScale::as_xml (xmlpp::Node* node) const +optional +VideoContent::fade (Frame f) const { - if (_ratio) { - node->add_child("Ratio")->add_child_text (_ratio->id ()); - } else { - node->add_child("Scale")->add_child_text (_scale ? "1" : "0"); + DCPOMATIC_ASSERT (f >= 0); + + if (f < fade_in()) { + return float (f) / fade_in(); } -} -string -VideoContentScale::id () const -{ - stringstream s; - - if (_ratio) { - s << _ratio->id () << "_"; - } else { - s << (_scale ? "S1" : "S0"); + Frame fade_out_start = video_length() - fade_out(); + if (f >= fade_out_start) { + return 1 - float (f - fade_out_start) / fade_out(); } - - return s.str (); + + return optional (); } string -VideoContentScale::name () const +VideoContent::processing_description () const { - if (_ratio) { - return _ratio->nickname (); - } + /* stringstream is OK here as this string is just for presentation to the user */ + stringstream d; + + if (video_size().width && video_size().height) { + d << String::compose ( + _("Content video is %1x%2"), + video_size_after_3d_split().width, + video_size_after_3d_split().height + ); + + + float ratio = video_size_after_3d_split().ratio (); + + if (sample_aspect_ratio ()) { + d << ", " << _("pixel aspect ratio") << " " << fixed << setprecision(2) << sample_aspect_ratio().get () << ":1"; + ratio *= sample_aspect_ratio().get (); + } - if (_scale) { - return _("No stretch"); + d << "\n" << _("Display aspect ratio") << " " << fixed << setprecision(2) << ratio << ":1\n"; } - return _("No scale"); -} + if ((crop().left || crop().right || crop().top || crop().bottom) && video_size() != dcp::Size (0, 0)) { + dcp::Size cropped = video_size_after_crop (); + d << String::compose ( + _("Cropped to %1x%2"), + cropped.width, cropped.height + ); -/** @param display_container Size of the container that we are displaying this content in. - * @param film_container The size of the film's image. - */ -dcp::Size -VideoContentScale::size (shared_ptr c, dcp::Size display_container, dcp::Size film_container) const -{ - if (_ratio) { - return fit_ratio_within (_ratio->ratio (), display_container); + d << " (" << fixed << setprecision(2) << cropped.ratio () << ":1)\n"; } - dcp::Size const ac = c->video_size_after_crop (); + shared_ptr film = _film.lock (); + DCPOMATIC_ASSERT (film); + + dcp::Size const container_size = film->frame_size (); + dcp::Size const scaled = scale().size (dynamic_pointer_cast (shared_from_this ()), container_size, container_size); - /* Force scale if the film_container is smaller than the content's image */ - if (_scale || film_container.width < ac.width || film_container.height < ac.height) { - return fit_ratio_within (ac.ratio (), display_container); + if (scaled != video_size_after_crop ()) { + d << String::compose ( + _("Scaled to %1x%2"), + scaled.width, scaled.height + ); + + d << " (" << fixed << setprecision(2) << scaled.ratio() << ":1)\n"; } - /* Scale the image so that it will be in the right place in film_container, even if display_container is a - different size. - */ - return dcp::Size ( - c->video_size().width * float(display_container.width) / film_container.width, - c->video_size().height * float(display_container.height) / film_container.height - ); -} + if (scaled != container_size) { + d << String::compose ( + _("Padded with black to fit container %1 (%2x%3)"), + film->container()->nickname (), + container_size.width, container_size.height + ); -void -VideoContentScale::setup_scales () -{ - vector ratios = Ratio::all (); - for (vector::const_iterator i = ratios.begin(); i != ratios.end(); ++i) { - _scales.push_back (VideoContentScale (*i)); + d << " (" << fixed << setprecision(2) << container_size.ratio () << ":1)\n"; } - _scales.push_back (VideoContentScale (true)); - _scales.push_back (VideoContentScale (false)); -} + d << _("Content frame rate"); + d << " " << fixed << setprecision(4) << video_frame_rate() << "\n"; -bool -operator== (VideoContentScale const & a, VideoContentScale const & b) -{ - return (a.ratio() == b.ratio() && a.scale() == b.scale()); -} + FrameRateChange frc (video_frame_rate(), film->video_frame_rate ()); + d << frc.description () << "\n"; -bool -operator!= (VideoContentScale const & a, VideoContentScale const & b) -{ - return (a.ratio() != b.ratio() || a.scale() != b.scale()); + return d.str (); }