X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fvideo_content.cc;h=b33a37cb8ce385892d3b2aac663e05857e46cc1d;hb=a79d78d8bb6d51f6662f1f63b9f8fd19e1a0c5f1;hp=9fb2b9bce8f3a4c12860ee6bae4ab00e8b2ef59f;hpb=237a0052c60af768f4d62b00321932918b7ba4d9;p=dcpomatic.git diff --git a/src/lib/video_content.cc b/src/lib/video_content.cc index 9fb2b9bce..b33a37cb8 100644 --- a/src/lib/video_content.cc +++ b/src/lib/video_content.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2013 Carl Hetherington + Copyright (C) 2013-2014 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 @@ -17,45 +17,138 @@ */ +#include #include +#include #include "video_content.h" -#include "video_decoder.h" +#include "video_examiner.h" +#include "compose.hpp" +#include "ratio.h" +#include "config.h" +#include "colour_conversion.h" +#include "util.h" +#include "film.h" +#include "exceptions.h" #include "i18n.h" -int const VideoContentProperty::VIDEO_LENGTH = 0; -int const VideoContentProperty::VIDEO_SIZE = 1; -int const VideoContentProperty::VIDEO_FRAME_RATE = 2; +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; using std::string; using std::stringstream; using std::setprecision; +using std::cout; +using std::vector; using boost::shared_ptr; using boost::lexical_cast; +using boost::optional; +using boost::dynamic_pointer_cast; -VideoContent::VideoContent (boost::filesystem::path f) +vector VideoContentScale::_scales; + +VideoContent::VideoContent (shared_ptr f) : Content (f) , _video_length (0) + , _video_frame_rate (0) + , _video_frame_type (VIDEO_FRAME_TYPE_2D) + , _scale (Ratio::from_id ("185")) { + setup_default_colour_conversion (); +} + +VideoContent::VideoContent (shared_ptr f, DCPTime s, ContentTime len) + : Content (f, s) + , _video_length (len) + , _video_frame_rate (0) + , _video_frame_type (VIDEO_FRAME_TYPE_2D) + , _scale (Ratio::from_id ("185")) +{ + setup_default_colour_conversion (); +} +VideoContent::VideoContent (shared_ptr f, boost::filesystem::path p) + : Content (f, p) + , _video_length (0) + , _video_frame_rate (0) + , _video_frame_type (VIDEO_FRAME_TYPE_2D) + , _scale (Ratio::from_id ("185")) +{ + setup_default_colour_conversion (); } -VideoContent::VideoContent (shared_ptr node) - : Content (node) +VideoContent::VideoContent (shared_ptr f, shared_ptr node, int version) + : Content (f, node) { - _video_length = node->number_child ("VideoLength"); + _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_frame_type = static_cast (node->number_child ("VideoFrameType")); + _crop.left = node->number_child ("LeftCrop"); + _crop.right = node->number_child ("RightCrop"); + _crop.top = node->number_child ("TopCrop"); + _crop.bottom = node->number_child ("BottomCrop"); + + if (version <= 7) { + optional r = node->optional_string_child ("Ratio"); + if (r) { + _scale = VideoContentScale (Ratio::from_id (r.get ())); + } + } else { + _scale = VideoContentScale (node->node_child ("Scale")); + } + + _colour_conversion = ColourConversion (node->node_child ("ColourConversion")); } -VideoContent::VideoContent (VideoContent const & o) - : Content (o) - , _video_length (o._video_length) - , _video_size (o._video_size) - , _video_frame_rate (o._video_frame_rate) +VideoContent::VideoContent (shared_ptr f, vector > c) + : Content (f, c) + , _video_length (0) { + shared_ptr ref = dynamic_pointer_cast (c[0]); + assert (ref); + + for (size_t i = 0; i < c.size(); ++i) { + shared_ptr vc = dynamic_pointer_cast (c[i]); + + if (vc->video_size() != ref->video_size()) { + throw JoinError (_("Content to be joined must have the same picture size.")); + } + + if (vc->video_frame_rate() != ref->video_frame_rate()) { + throw JoinError (_("Content to be joined must have the same video frame rate.")); + } + + if (vc->video_frame_type() != ref->video_frame_type()) { + throw JoinError (_("Content to be joined must have the same video frame type.")); + } + if (vc->crop() != ref->crop()) { + throw JoinError (_("Content to be joined must have the same crop.")); + } + + if (vc->scale() != ref->scale()) { + throw JoinError (_("Content to be joined must have the same scale setting.")); + } + + if (vc->colour_conversion() != ref->colour_conversion()) { + throw JoinError (_("Content to be joined must have the same colour conversion.")); + } + + _video_length += vc->video_length (); + } + + _video_size = ref->video_size (); + _video_frame_rate = ref->video_frame_rate (); + _video_frame_type = ref->video_frame_type (); + _crop = ref->crop (); + _scale = ref->scale (); + _colour_conversion = ref->colour_conversion (); } void @@ -66,23 +159,36 @@ VideoContent::as_xml (xmlpp::Node* node) const node->add_child("VideoWidth")->add_child_text (lexical_cast (_video_size.width)); node->add_child("VideoHeight")->add_child_text (lexical_cast (_video_size.height)); node->add_child("VideoFrameRate")->add_child_text (lexical_cast (_video_frame_rate)); + node->add_child("VideoFrameType")->add_child_text (lexical_cast (static_cast (_video_frame_type))); + node->add_child("LeftCrop")->add_child_text (boost::lexical_cast (_crop.left)); + node->add_child("RightCrop")->add_child_text (boost::lexical_cast (_crop.right)); + node->add_child("TopCrop")->add_child_text (boost::lexical_cast (_crop.top)); + node->add_child("BottomCrop")->add_child_text (boost::lexical_cast (_crop.bottom)); + _scale.as_xml (node->add_child("Scale")); + _colour_conversion.as_xml (node->add_child("ColourConversion")); +} + +void +VideoContent::setup_default_colour_conversion () +{ + _colour_conversion = PresetColourConversion (_("sRGB"), 2.4, true, dcp::colour_matrix::srgb_to_xyz, 2.6).conversion; } void -VideoContent::take_from_video_decoder (shared_ptr d) +VideoContent::take_from_video_examiner (shared_ptr d) { - /* These decoder calls could call other content methods which take a lock on the mutex */ - libdcp::Size const vs = d->native_size (); + /* 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 (); - { - boost::mutex::scoped_lock lm (_mutex); - _video_size = vs; + { + boost::mutex::scoped_lock lm (_mutex); + _video_size = vs; _video_frame_rate = vfr; - } - - signal_changed (VideoContentProperty::VIDEO_SIZE); - signal_changed (VideoContentProperty::VIDEO_FRAME_RATE); + } + + signal_changed (VideoContentProperty::VIDEO_SIZE); + signal_changed (VideoContentProperty::VIDEO_FRAME_RATE); } @@ -99,8 +205,272 @@ VideoContent::information () const _("%1x%2 pixels (%3:1)"), video_size().width, video_size().height, - setprecision (3), float (video_size().width) / video_size().height + setprecision (3), video_size().ratio () ); return s.str (); } + +void +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); +} + +void +VideoContent::set_right_crop (int c) +{ + { + boost::mutex::scoped_lock lm (_mutex); + if (_crop.right == c) { + return; + } + + _crop.right = c; + } + + signal_changed (VideoContentProperty::VIDEO_CROP); +} + +void +VideoContent::set_top_crop (int c) +{ + { + boost::mutex::scoped_lock lm (_mutex); + if (_crop.top == c) { + return; + } + + _crop.top = c; + } + + signal_changed (VideoContentProperty::VIDEO_CROP); +} + +void +VideoContent::set_bottom_crop (int c) +{ + { + boost::mutex::scoped_lock lm (_mutex); + if (_crop.bottom == c) { + return; + } + + _crop.bottom = c; + } + + signal_changed (VideoContentProperty::VIDEO_CROP); +} + +void +VideoContent::set_scale (VideoContentScale s) +{ + { + boost::mutex::scoped_lock lm (_mutex); + if (_scale == s) { + return; + } + + _scale = s; + } + + signal_changed (VideoContentProperty::VIDEO_SCALE); +} + +/** @return string which includes everything about how this content looks */ +string +VideoContent::identifier () const +{ + stringstream s; + s << Content::identifier() + << "_" << crop().left + << "_" << crop().right + << "_" << crop().top + << "_" << crop().bottom + << "_" << scale().id() + << "_" << colour_conversion().identifier (); + + return s.str (); +} + +void +VideoContent::set_video_frame_type (VideoFrameType t) +{ + { + boost::mutex::scoped_lock lm (_mutex); + _video_frame_type = t; + } + + signal_changed (VideoContentProperty::VIDEO_FRAME_TYPE); +} + +string +VideoContent::technical_summary () const +{ + return String::compose ("video: length %1, size %2x%3, rate %4", video_length(), video_size().width, video_size().height, video_frame_rate()); +} + +dcp::Size +VideoContent::video_size_after_3d_split () const +{ + dcp::Size const s = video_size (); + switch (video_frame_type ()) { + case VIDEO_FRAME_TYPE_2D: + return s; + case VIDEO_FRAME_TYPE_3D_LEFT_RIGHT: + return dcp::Size (s.width / 2, s.height); + case VIDEO_FRAME_TYPE_3D_TOP_BOTTOM: + return dcp::Size (s.width, s.height / 2); + } + + assert (false); +} + +void +VideoContent::set_colour_conversion (ColourConversion c) +{ + { + boost::mutex::scoped_lock lm (_mutex); + _colour_conversion = c; + } + + signal_changed (VideoContentProperty::COLOUR_CONVERSION); +} + +/** @return Video size after 3D split and crop */ +dcp::Size +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 +{ + shared_ptr film = _film.lock (); + assert (film); + return ContentTime (t, FrameRateChange (video_frame_rate(), film->video_frame_rate())); +} + +VideoContentScale::VideoContentScale (Ratio const * r) + : _ratio (r) + , _scale (true) +{ + +} + +VideoContentScale::VideoContentScale () + : _ratio (0) + , _scale (false) +{ + +} + +VideoContentScale::VideoContentScale (bool scale) + : _ratio (0) + , _scale (scale) +{ + +} + +VideoContentScale::VideoContentScale (shared_ptr node) + : _ratio (0) + , _scale (true) +{ + optional r = node->optional_string_child ("Ratio"); + if (r) { + _ratio = Ratio::from_id (r.get ()); + } else { + _scale = node->bool_child ("Scale"); + } +} + +void +VideoContentScale::as_xml (xmlpp::Node* node) const +{ + if (_ratio) { + node->add_child("Ratio")->add_child_text (_ratio->id ()); + } else { + node->add_child("Scale")->add_child_text (_scale ? "1" : "0"); + } +} + +string +VideoContentScale::id () const +{ + stringstream s; + + if (_ratio) { + s << _ratio->id () << "_"; + } else { + s << (_scale ? "S1" : "S0"); + } + + return s.str (); +} + +string +VideoContentScale::name () const +{ + if (_ratio) { + return _ratio->nickname (); + } + + if (_scale) { + return _("No stretch"); + } + + return _("No scale"); +} + +libdcp::Size +VideoContentScale::size (shared_ptr c, libdcp::Size container) const +{ + if (_ratio) { + return fit_ratio_within (_ratio->ratio (), container); + } + + /* Force scale if the container is smaller than the content's image */ + if (_scale || container.width < c->video_size().width || container.height < c->video_size().height) { + return fit_ratio_within (c->video_size().ratio (), container); + } + + return c->video_size (); +} + +void +VideoContentScale::setup_scales () +{ + vector ratios = Ratio::all (); + for (vector::const_iterator i = ratios.begin(); i != ratios.end(); ++i) { + _scales.push_back (VideoContentScale (*i)); + } + + _scales.push_back (VideoContentScale (true)); + _scales.push_back (VideoContentScale (false)); +} + +bool +operator== (VideoContentScale const & a, VideoContentScale const & b) +{ + return (a.ratio() == b.ratio() && a.scale() == b.scale()); +} + +bool +operator!= (VideoContentScale const & a, VideoContentScale const & b) +{ + return (a.ratio() != b.ratio() || a.scale() != b.scale()); +}