forked from mia/Aegisub
73e1dc1b60
If the script's matrix matches the video's matrix, use that even if Force BT.601 is on, and if it's TV.601, use that even if Force BT.601 is off. This should mostly eliminate the common problems resulting from mixed values of the Force BT.601 option. Closes #1649.
126 lines
5.2 KiB
C++
126 lines
5.2 KiB
C++
// Copyright (c) 2007, Rodrigo Braz Monteiro
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright notice,
|
|
// this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above copyright notice,
|
|
// this list of conditions and the following disclaimer in the documentation
|
|
// and/or other materials provided with the distribution.
|
|
// * Neither the name of the Aegisub Group nor the names of its contributors
|
|
// may be used to endorse or promote products derived from this software
|
|
// without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
// POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
// Aegisub Project http://www.aegisub.org/
|
|
|
|
/// @file video_provider_dummy.cpp
|
|
/// @brief Video provider returning a constant frame
|
|
/// @ingroup video_input
|
|
///
|
|
|
|
#include "config.h"
|
|
|
|
#include "video_provider_dummy.h"
|
|
|
|
#include "colorspace.h"
|
|
#include "video_frame.h"
|
|
|
|
#include <libaegisub/color.h>
|
|
#include <libaegisub/fs.h>
|
|
#include <libaegisub/util.h>
|
|
|
|
#include <boost/algorithm/string/classification.hpp>
|
|
#include <boost/algorithm/string/predicate.hpp>
|
|
#include <boost/algorithm/string/split.hpp>
|
|
#include <boost/format.hpp>
|
|
#include <boost/gil/gil_all.hpp>
|
|
|
|
void DummyVideoProvider::Create(double fps, int frames, int width, int height, unsigned char red, unsigned char green, unsigned char blue, bool pattern) {
|
|
this->framecount = frames;
|
|
this->fps = fps;
|
|
this->width = width;
|
|
this->height = height;
|
|
data.resize(width * height * 4);
|
|
|
|
using namespace boost::gil;
|
|
auto dst = interleaved_view(width, height, (bgra8_pixel_t*)data.data(), 4 * width);
|
|
|
|
bgra8_pixel_t colors[2] = {
|
|
bgra8_pixel_t(blue, green, red, 0),
|
|
bgra8_pixel_t(blue, green, red, 0)
|
|
};
|
|
|
|
if (pattern) {
|
|
// Generate light version
|
|
unsigned char h, s, l;
|
|
rgb_to_hsl(red, blue, green, &h, &s, &l);
|
|
l += 24;
|
|
if (l < 24) l -= 48;
|
|
hsl_to_rgb(h, s, l, &red, &blue, &green);
|
|
colors[1] = bgra8_pixel_t(blue, green, red, 0);
|
|
|
|
// Divide into a 8x8 grid and use light colours when row % 2 != col % 2
|
|
auto out = dst.begin();
|
|
for (int y = 0; y < height; ++y)
|
|
for (int x = 0; x < width; ++x)
|
|
*out++ = colors[((y / 8) & 1) != ((x / 8) & 1)];
|
|
}
|
|
else {
|
|
fill_pixels(dst, colors[0]);
|
|
}
|
|
}
|
|
|
|
DummyVideoProvider::DummyVideoProvider(agi::fs::path const& filename, std::string const&) {
|
|
if (!boost::starts_with(filename.string(), "?dummy"))
|
|
throw agi::fs::FileNotFound(std::string("Attempted creating dummy video provider with non-dummy filename"));
|
|
|
|
std::vector<std::string> toks;
|
|
auto const& fields = filename.string().substr(7);
|
|
boost::split(toks, fields, boost::is_any_of(":"));
|
|
if (toks.size() != 8)
|
|
throw VideoOpenError("Too few fields in dummy video parameter list");
|
|
|
|
size_t i = 0;
|
|
double fps;
|
|
int frames, width, height, red, green, blue;
|
|
|
|
using agi::util::try_parse;
|
|
if (!try_parse(toks[i++], &fps)) throw VideoOpenError("Unable to parse fps field in dummy video parameter list");
|
|
if (!try_parse(toks[i++], &frames)) throw VideoOpenError("Unable to parse framecount field in dummy video parameter list");
|
|
if (!try_parse(toks[i++], &width)) throw VideoOpenError("Unable to parse width field in dummy video parameter list");
|
|
if (!try_parse(toks[i++], &height)) throw VideoOpenError("Unable to parse height field in dummy video parameter list");
|
|
if (!try_parse(toks[i++], &red)) throw VideoOpenError("Unable to parse red colour field in dummy video parameter list");
|
|
if (!try_parse(toks[i++], &green)) throw VideoOpenError("Unable to parse green colour field in dummy video parameter list");
|
|
if (!try_parse(toks[i++], &blue)) throw VideoOpenError("Unable to parse blue colour field in dummy video parameter list");
|
|
|
|
bool pattern = toks[i] == "c";
|
|
|
|
Create(fps, frames, width, height, red, green, blue, pattern);
|
|
}
|
|
|
|
DummyVideoProvider::DummyVideoProvider(double fps, int frames, int width, int height, agi::Color colour, bool pattern) {
|
|
Create(fps, frames, width, height, colour.r, colour.g, colour.b, pattern);
|
|
}
|
|
|
|
std::string DummyVideoProvider::MakeFilename(double fps, int frames, int width, int height, agi::Color colour, bool pattern) {
|
|
return str(boost::format("?dummy:%f:%d:%d:%d:%d:%d:%d:%s") % fps % frames % width % height % (int)colour.r % (int)colour.g % (int)colour.b % (pattern ? "c" : ""));
|
|
}
|
|
|
|
std::shared_ptr<VideoFrame> DummyVideoProvider::GetFrame(int) {
|
|
return std::make_shared<VideoFrame>(data.data(), width, height, width * 4, false);
|
|
}
|