-/*\r
-* Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>\r
-*\r
-* This file is part of CasparCG (www.casparcg.com).\r
-*\r
-* CasparCG is free software: you can redistribute it and/or modify\r
-* it under the terms of the GNU General Public License as published by\r
-* the Free Software Foundation, either version 3 of the License, or\r
-* (at your option) any later version.\r
-*\r
-* CasparCG is distributed in the hope that it will be useful,\r
-* but WITHOUT ANY WARRANTY; without even the implied warranty of\r
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
-* GNU General Public License for more details.\r
-*\r
-* You should have received a copy of the GNU General Public License\r
-* along with CasparCG. If not, see <http://www.gnu.org/licenses/>.\r
-*\r
-* Author: Robert Nagy, ronag89@gmail.com\r
-*/\r
-\r
-#include "../stdafx.h"\r
-\r
-#include "frame_transform.h"\r
-\r
-#include <boost/range/algorithm/equal.hpp>\r
-#include <boost/range/algorithm/fill.hpp>\r
-\r
-namespace caspar { namespace core {\r
- \r
-frame_transform::frame_transform() \r
- : volume(1.0)\r
- , opacity(1.0)\r
- , brightness(1.0)\r
- , contrast(1.0)\r
- , saturation(1.0)\r
- , field_mode(field_mode::progressive)\r
- , is_key(false)\r
- , is_mix(false)\r
-{\r
- boost::range::fill(fill_translation, 0.0);\r
- boost::range::fill(fill_scale, 1.0);\r
- boost::range::fill(clip_translation, 0.0);\r
- boost::range::fill(clip_scale, 1.0);\r
-}\r
-\r
-frame_transform& frame_transform::operator*=(const frame_transform &other)\r
-{\r
- volume *= other.volume;\r
- opacity *= other.opacity; \r
- brightness *= other.brightness;\r
- contrast *= other.contrast;\r
- saturation *= other.saturation;\r
- fill_translation[0] += other.fill_translation[0]*fill_scale[0];\r
- fill_translation[1] += other.fill_translation[1]*fill_scale[1];\r
- fill_scale[0] *= other.fill_scale[0];\r
- fill_scale[1] *= other.fill_scale[1];\r
- clip_translation[0] += other.clip_translation[0]*clip_scale[0];\r
- clip_translation[1] += other.clip_translation[1]*clip_scale[1];\r
- clip_scale[0] *= other.clip_scale[0];\r
- clip_scale[1] *= other.clip_scale[1];\r
- levels.min_input = std::max(levels.min_input, other.levels.min_input);\r
- levels.max_input = std::min(levels.max_input, other.levels.max_input); \r
- levels.min_output = std::max(levels.min_output, other.levels.min_output);\r
- levels.max_output = std::min(levels.max_output, other.levels.max_output);\r
- levels.gamma *= other.levels.gamma;\r
- field_mode = static_cast<core::field_mode>(field_mode & other.field_mode);\r
- is_key |= other.is_key;\r
- is_mix |= other.is_mix;\r
- return *this;\r
-}\r
-\r
-frame_transform frame_transform::operator*(const frame_transform &other) const\r
-{\r
- return frame_transform(*this) *= other;\r
-}\r
-\r
-frame_transform frame_transform::tween(double time, const frame_transform& source, const frame_transform& dest, double duration, const tweener& tween)\r
-{ \r
- auto do_tween = [](double time, double source, double dest, double duration, const tweener& tween)\r
- {\r
- return tween(time, source, dest-source, duration);\r
- };\r
- \r
- frame_transform result; \r
- result.volume = do_tween(time, source.volume, dest.volume, duration, tween);\r
- result.brightness = do_tween(time, source.brightness, dest.brightness, duration, tween);\r
- result.contrast = do_tween(time, source.contrast, dest.contrast, duration, tween);\r
- result.saturation = do_tween(time, source.saturation, dest.saturation, duration, tween);\r
- result.opacity = do_tween(time, source.opacity, dest.opacity, duration, tween); \r
- result.fill_translation[0] = do_tween(time, source.fill_translation[0], dest.fill_translation[0], duration, tween), \r
- result.fill_translation[1] = do_tween(time, source.fill_translation[1], dest.fill_translation[1], duration, tween); \r
- result.fill_scale[0] = do_tween(time, source.fill_scale[0], dest.fill_scale[0], duration, tween), \r
- result.fill_scale[1] = do_tween(time, source.fill_scale[1], dest.fill_scale[1], duration, tween); \r
- result.clip_translation[0] = do_tween(time, source.clip_translation[0], dest.clip_translation[0], duration, tween), \r
- result.clip_translation[1] = do_tween(time, source.clip_translation[1], dest.clip_translation[1], duration, tween); \r
- result.clip_scale[0] = do_tween(time, source.clip_scale[0], dest.clip_scale[0], duration, tween), \r
- result.clip_scale[1] = do_tween(time, source.clip_scale[1], dest.clip_scale[1], duration, tween);\r
- result.levels.max_input = do_tween(time, source.levels.max_input, dest.levels.max_input, duration, tween);\r
- result.levels.min_input = do_tween(time, source.levels.min_input, dest.levels.min_input, duration, tween); \r
- result.levels.max_output = do_tween(time, source.levels.max_output, dest.levels.max_output, duration, tween);\r
- result.levels.min_output = do_tween(time, source.levels.min_output, dest.levels.min_output, duration, tween);\r
- result.levels.gamma = do_tween(time, source.levels.gamma, dest.levels.gamma, duration, tween);\r
- result.field_mode = source.field_mode & dest.field_mode;\r
- result.is_key = source.is_key | dest.is_key;\r
- result.is_mix = source.is_mix | dest.is_mix;\r
- \r
- return result;\r
-}\r
-\r
-bool operator==(const frame_transform& lhs, const frame_transform& rhs)\r
-{\r
- auto eq = [](double lhs, double rhs)\r
- {\r
- return std::abs(lhs - rhs) < 5e-8;\r
- };\r
-\r
- return \r
- eq(lhs.volume, rhs.volume) &&\r
- eq(lhs.opacity, rhs.opacity) &&\r
- eq(lhs.contrast, rhs.contrast) &&\r
- eq(lhs.brightness, rhs.brightness) &&\r
- eq(lhs.saturation, rhs.saturation) &&\r
- boost::range::equal(lhs.fill_translation, rhs.fill_translation, eq) &&\r
- boost::range::equal(lhs.fill_scale, rhs.fill_scale, eq) &&\r
- boost::range::equal(lhs.clip_translation, rhs.clip_translation, eq) &&\r
- boost::range::equal(lhs.clip_scale, rhs.clip_scale, eq) &&\r
- lhs.field_mode == rhs.field_mode &&\r
- lhs.is_key == rhs.is_key &&\r
- lhs.is_mix == rhs.is_mix;\r
-}\r
-\r
-bool operator!=(const frame_transform& lhs, const frame_transform& rhs)\r
-{\r
- return !(lhs == rhs);\r
-}\r
-\r
-}}
\ No newline at end of file
+/*
+* Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
+*
+* This file is part of CasparCG (www.casparcg.com).
+*
+* CasparCG is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* CasparCG is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
+*
+* Author: Robert Nagy, ronag89@gmail.com
+*/
+
+#include "../StdAfx.h"
+
+#include "frame_transform.h"
+
+#include <boost/range/algorithm/equal.hpp>
+#include <boost/thread.hpp>
+
+namespace caspar { namespace core {
+
+// image_transform
+
+template<typename Rect>
+void transform_rect(Rect& self, const Rect& other)
+{
+ self.ul[0] += other.ul[0];
+ self.ul[1] += other.ul[1];
+ self.lr[0] *= other.lr[0];
+ self.lr[1] *= other.lr[1];
+}
+
+void transform_corners(corners& self, const corners& other)
+{
+ transform_rect(self, other);
+
+ self.ur[0] *= other.ur[0];
+ self.ur[1] += other.ur[1];
+ self.ll[0] += other.ll[0];
+ self.ll[1] *= other.ll[1];
+
+ // TODO: figure out the math to compose perspective transforms correctly.
+}
+
+image_transform& image_transform::operator*=(const image_transform &other)
+{
+ opacity *= other.opacity;
+ brightness *= other.brightness;
+ contrast *= other.contrast;
+ saturation *= other.saturation;
+
+ // TODO: can this be done in any way without knowing the aspect ratio of the
+ // actual video mode? Thread local to the rescue
+ auto aspect_ratio = detail::get_current_aspect_ratio();
+ aspect_ratio *= fill_scale[0] / fill_scale[1];
+
+ boost::array<double, 2> rotated;
+
+ auto orig_x = other.fill_translation[0];
+ auto orig_y = other.fill_translation[1] / aspect_ratio;
+ rotated[0] = orig_x * std::cos(angle) - orig_y * std::sin(angle);
+ rotated[1] = orig_x * std::sin(angle) + orig_y * std::cos(angle);
+ rotated[1] *= aspect_ratio;
+
+ anchor[0] += other.anchor[0] * fill_scale[0];
+ anchor[1] += other.anchor[1] * fill_scale[1];
+ fill_translation[0] += rotated[0] * fill_scale[0];
+ fill_translation[1] += rotated[1] * fill_scale[1];
+ fill_scale[0] *= other.fill_scale[0];
+ fill_scale[1] *= other.fill_scale[1];
+ clip_translation[0] += other.clip_translation[0] * clip_scale[0];
+ clip_translation[1] += other.clip_translation[1] * clip_scale[1];
+ clip_scale[0] *= other.clip_scale[0];
+ clip_scale[1] *= other.clip_scale[1];
+ angle += other.angle;
+
+ transform_rect(crop, other.crop);
+ transform_corners(perspective, other.perspective);
+
+ levels.min_input = std::max(levels.min_input, other.levels.min_input);
+ levels.max_input = std::min(levels.max_input, other.levels.max_input);
+ levels.min_output = std::max(levels.min_output, other.levels.min_output);
+ levels.max_output = std::min(levels.max_output, other.levels.max_output);
+ levels.gamma *= other.levels.gamma;
+ chroma.enable |= other.chroma.enable;
+ chroma.show_mask |= other.chroma.show_mask;
+ chroma.target_hue = std::max(other.chroma.target_hue, chroma.target_hue);
+ chroma.min_saturation = std::max(other.chroma.min_saturation, chroma.min_saturation);
+ chroma.min_brightness = std::max(other.chroma.min_brightness, chroma.min_brightness);
+ chroma.hue_width = std::max(other.chroma.hue_width, chroma.hue_width);
+ chroma.softness = std::max(other.chroma.softness, chroma.softness);
+ chroma.spill_suppress = std::max(other.chroma.spill_suppress, chroma.spill_suppress);
+ chroma.spill_suppress_saturation = std::min(other.chroma.spill_suppress_saturation, chroma.spill_suppress_saturation);
+ field_mode = field_mode & other.field_mode;
+ is_key |= other.is_key;
+ is_mix |= other.is_mix;
+ is_still |= other.is_still;
+ use_mipmap |= other.use_mipmap;
+ blend_mode = std::max(blend_mode, other.blend_mode);
+ layer_depth += other.layer_depth;
+
+ return *this;
+}
+
+image_transform image_transform::operator*(const image_transform &other) const
+{
+ return image_transform(*this) *= other;
+}
+
+double do_tween(double time, double source, double dest, double duration, const tweener& tween)
+{
+ return tween(time, source, dest - source, duration);
+};
+
+template<typename Rect>
+void do_tween_rectangle(const Rect& source, const Rect& dest, Rect& out, double time, double duration, const tweener& tweener)
+{
+ out.ul[0] = do_tween(time, source.ul[0], dest.ul[0], duration, tweener);
+ out.ul[1] = do_tween(time, source.ul[1], dest.ul[1], duration, tweener);
+ out.lr[0] = do_tween(time, source.lr[0], dest.lr[0], duration, tweener);
+ out.lr[1] = do_tween(time, source.lr[1], dest.lr[1], duration, tweener);
+}
+
+void do_tween_corners(const corners& source, const corners& dest, corners& out, double time, double duration, const tweener& tweener)
+{
+ do_tween_rectangle(source, dest, out, time, duration, tweener);
+
+ out.ur[0] = do_tween(time, source.ur[0], dest.ur[0], duration, tweener);
+ out.ur[1] = do_tween(time, source.ur[1], dest.ur[1], duration, tweener);
+ out.ll[0] = do_tween(time, source.ll[0], dest.ll[0], duration, tweener);
+ out.ll[1] = do_tween(time, source.ll[1], dest.ll[1], duration, tweener);
+};
+
+image_transform image_transform::tween(double time, const image_transform& source, const image_transform& dest, double duration, const tweener& tween)
+{
+ image_transform result;
+
+ result.brightness = do_tween(time, source.brightness, dest.brightness, duration, tween);
+ result.contrast = do_tween(time, source.contrast, dest.contrast, duration, tween);
+ result.saturation = do_tween(time, source.saturation, dest.saturation, duration, tween);
+ result.opacity = do_tween(time, source.opacity, dest.opacity, duration, tween);
+ result.anchor[0] = do_tween(time, source.anchor[0], dest.anchor[0], duration, tween);
+ result.anchor[1] = do_tween(time, source.anchor[1], dest.anchor[1], duration, tween);
+ result.fill_translation[0] = do_tween(time, source.fill_translation[0], dest.fill_translation[0], duration, tween);
+ result.fill_translation[1] = do_tween(time, source.fill_translation[1], dest.fill_translation[1], duration, tween);
+ result.fill_scale[0] = do_tween(time, source.fill_scale[0], dest.fill_scale[0], duration, tween);
+ result.fill_scale[1] = do_tween(time, source.fill_scale[1], dest.fill_scale[1], duration, tween);
+ result.clip_translation[0] = do_tween(time, source.clip_translation[0], dest.clip_translation[0], duration, tween);
+ result.clip_translation[1] = do_tween(time, source.clip_translation[1], dest.clip_translation[1], duration, tween);
+ result.clip_scale[0] = do_tween(time, source.clip_scale[0], dest.clip_scale[0], duration, tween);
+ result.clip_scale[1] = do_tween(time, source.clip_scale[1], dest.clip_scale[1], duration, tween);
+ result.angle = do_tween(time, source.angle, dest.angle, duration, tween);
+ result.levels.max_input = do_tween(time, source.levels.max_input, dest.levels.max_input, duration, tween);
+ result.levels.min_input = do_tween(time, source.levels.min_input, dest.levels.min_input, duration, tween);
+ result.levels.max_output = do_tween(time, source.levels.max_output, dest.levels.max_output, duration, tween);
+ result.levels.min_output = do_tween(time, source.levels.min_output, dest.levels.min_output, duration, tween);
+ result.levels.gamma = do_tween(time, source.levels.gamma, dest.levels.gamma, duration, tween);
+ result.chroma.target_hue = do_tween(time, source.chroma.target_hue, dest.chroma.target_hue, duration, tween);
+ result.chroma.hue_width = do_tween(time, source.chroma.hue_width, dest.chroma.hue_width, duration, tween);
+ result.chroma.min_saturation = do_tween(time, source.chroma.min_saturation, dest.chroma.min_saturation, duration, tween);
+ result.chroma.min_brightness = do_tween(time, source.chroma.min_brightness, dest.chroma.min_brightness, duration, tween);
+ result.chroma.softness = do_tween(time, source.chroma.softness, dest.chroma.softness, duration, tween);
+ result.chroma.spill_suppress = do_tween(time, source.chroma.spill_suppress, dest.chroma.spill_suppress, duration, tween);
+ result.chroma.spill_suppress_saturation = do_tween(time, source.chroma.spill_suppress_saturation, dest.chroma.spill_suppress_saturation, duration, tween);
+ result.chroma.enable = dest.chroma.enable;
+ result.chroma.show_mask = dest.chroma.show_mask;
+ result.field_mode = source.field_mode & dest.field_mode;
+ result.is_key = source.is_key | dest.is_key;
+ result.is_mix = source.is_mix | dest.is_mix;
+ result.is_still = source.is_still | dest.is_still;
+ result.use_mipmap = source.use_mipmap | dest.use_mipmap;
+ result.blend_mode = std::max(source.blend_mode, dest.blend_mode);
+ result.layer_depth = dest.layer_depth;
+
+ do_tween_rectangle(source.crop, dest.crop, result.crop, time, duration, tween);
+ do_tween_corners(source.perspective, dest.perspective, result.perspective, time, duration, tween);
+
+ return result;
+}
+
+bool eq(double lhs, double rhs)
+{
+ return std::abs(lhs - rhs) < 5e-8;
+};
+
+bool operator==(const corners& lhs, const corners& rhs)
+{
+ return
+ boost::range::equal(lhs.ul, rhs.ul, eq) &&
+ boost::range::equal(lhs.ur, rhs.ur, eq) &&
+ boost::range::equal(lhs.lr, rhs.lr, eq) &&
+ boost::range::equal(lhs.ll, rhs.ll, eq);
+}
+
+bool operator==(const rectangle& lhs, const rectangle& rhs)
+{
+ return
+ boost::range::equal(lhs.ul, rhs.ul, eq) &&
+ boost::range::equal(lhs.lr, rhs.lr, eq);
+}
+
+bool operator==(const image_transform& lhs, const image_transform& rhs)
+{
+ return
+ eq(lhs.opacity, rhs.opacity) &&
+ eq(lhs.contrast, rhs.contrast) &&
+ eq(lhs.brightness, rhs.brightness) &&
+ eq(lhs.saturation, rhs.saturation) &&
+ boost::range::equal(lhs.anchor, rhs.anchor, eq) &&
+ boost::range::equal(lhs.fill_translation, rhs.fill_translation, eq) &&
+ boost::range::equal(lhs.fill_scale, rhs.fill_scale, eq) &&
+ boost::range::equal(lhs.clip_translation, rhs.clip_translation, eq) &&
+ boost::range::equal(lhs.clip_scale, rhs.clip_scale, eq) &&
+ eq(lhs.angle, rhs.angle) &&
+ lhs.field_mode == rhs.field_mode &&
+ lhs.is_key == rhs.is_key &&
+ lhs.is_mix == rhs.is_mix &&
+ lhs.is_still == rhs.is_still &&
+ lhs.use_mipmap == rhs.use_mipmap &&
+ lhs.blend_mode == rhs.blend_mode &&
+ lhs.layer_depth == rhs.layer_depth &&
+ lhs.chroma.enable == rhs.chroma.enable &&
+ lhs.chroma.show_mask == rhs.chroma.show_mask &&
+ eq(lhs.chroma.target_hue, rhs.chroma.target_hue) &&
+ eq(lhs.chroma.hue_width, rhs.chroma.hue_width) &&
+ eq(lhs.chroma.min_saturation, rhs.chroma.min_saturation) &&
+ eq(lhs.chroma.min_brightness, rhs.chroma.min_brightness) &&
+ eq(lhs.chroma.softness, rhs.chroma.softness) &&
+ eq(lhs.chroma.spill_suppress, rhs.chroma.spill_suppress) &&
+ eq(lhs.chroma.spill_suppress_saturation, rhs.chroma.spill_suppress_saturation) &&
+ lhs.crop == rhs.crop &&
+ lhs.perspective == rhs.perspective;
+}
+
+bool operator!=(const image_transform& lhs, const image_transform& rhs)
+{
+ return !(lhs == rhs);
+}
+
+// audio_transform
+
+audio_transform& audio_transform::operator*=(const audio_transform &other)
+{
+ volume *= other.volume;
+ is_still |= other.is_still;
+ return *this;
+}
+
+audio_transform audio_transform::operator*(const audio_transform &other) const
+{
+ return audio_transform(*this) *= other;
+}
+
+audio_transform audio_transform::tween(double time, const audio_transform& source, const audio_transform& dest, double duration, const tweener& tween)
+{
+ audio_transform result;
+ result.is_still = source.is_still | dest.is_still;
+ result.volume = do_tween(time, source.volume, dest.volume, duration, tween);
+
+ return result;
+}
+
+bool operator==(const audio_transform& lhs, const audio_transform& rhs)
+{
+ return eq(lhs.volume, rhs.volume) && lhs.is_still == rhs.is_still;
+}
+
+bool operator!=(const audio_transform& lhs, const audio_transform& rhs)
+{
+ return !(lhs == rhs);
+}
+
+// frame_transform
+frame_transform::frame_transform()
+{
+}
+
+frame_transform& frame_transform::operator*=(const frame_transform &other)
+{
+ image_transform *= other.image_transform;
+ audio_transform *= other.audio_transform;
+ return *this;
+}
+
+frame_transform frame_transform::operator*(const frame_transform &other) const
+{
+ return frame_transform(*this) *= other;
+}
+
+frame_transform frame_transform::tween(double time, const frame_transform& source, const frame_transform& dest, double duration, const tweener& tween)
+{
+ frame_transform result;
+ result.image_transform = image_transform::tween(time, source.image_transform, dest.image_transform, duration, tween);
+ result.audio_transform = audio_transform::tween(time, source.audio_transform, dest.audio_transform, duration, tween);
+ return result;
+}
+
+bool operator==(const frame_transform& lhs, const frame_transform& rhs)
+{
+ return lhs.image_transform == rhs.image_transform &&
+ lhs.audio_transform == rhs.audio_transform;
+}
+
+bool operator!=(const frame_transform& lhs, const frame_transform& rhs)
+{
+ return !(lhs == rhs);
+}
+
+
+boost::optional<core::chroma::legacy_type> get_chroma_mode(const std::wstring& str)
+{
+ if (boost::iequals(str, L"none"))
+ return core::chroma::legacy_type::none;
+ else if (boost::iequals(str, L"green"))
+ return core::chroma::legacy_type::green;
+ else if (boost::iequals(str, L"blue"))
+ return core::chroma::legacy_type::blue;
+ else
+ return boost::none;
+}
+
+namespace detail {
+
+boost::thread_specific_ptr<double>& get_thread_local_aspect_ratio()
+{
+ static boost::thread_specific_ptr<double> aspect_ratio;
+
+ if (!aspect_ratio.get())
+ aspect_ratio.reset(new double(1.0));
+
+ return aspect_ratio;
+}
+
+void set_current_aspect_ratio(double aspect_ratio)
+{
+ *get_thread_local_aspect_ratio() = aspect_ratio;
+}
+
+double get_current_aspect_ratio()
+{
+ return *get_thread_local_aspect_ratio();
+}
+
+}}}
projects / casparcg / blobdiff