96cf5ea7ed
They don't actually improve compilation performance and make it more annoying to modify what things are in the precompiled header.
122 lines
4.7 KiB
C++
122 lines
4.7 KiB
C++
// Copyright (c) 2007, Rodrigo Braz Monteiro
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Aegisub Project http://www.aegisub.org/
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/// @file video_provider_dummy.cpp
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/// @brief Video provider returning a constant frame
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/// @ingroup video_input
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///
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#include "config.h"
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#include "video_provider_dummy.h"
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#include <wx/tokenzr.h>
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#include "colorspace.h"
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#include <libaegisub/color.h>
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void DummyVideoProvider::Create(double fps, int frames, int width, int height, unsigned char red, unsigned char green, unsigned char blue, bool pattern) {
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this->framecount = frames;
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this->fps = fps;
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this->width = width;
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this->height = height;
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this->frame = AegiVideoFrame(width, height);
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unsigned char *dst = frame.data;
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unsigned char colors[2][4] = {
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{ blue, green, red, 0 },
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{ 0, 0, 0, 0 }
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};
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if (pattern) {
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// Generate light version
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unsigned char h, s, l;
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rgb_to_hsl(red, blue, green, &h, &s, &l);
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l += 24;
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if (l < 24) l -= 48;
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hsl_to_rgb(h, s, l, &colors[1][2], &colors[1][1], &colors[1][0]);
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// Divide into a 8x8 grid and use light colours when row % 2 != col % 2
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int ppitch = frame.pitch / frame.GetBpp();
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for (unsigned int y = 0; y < frame.h; ++y) {
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for (int x = 0; x < ppitch; ++x) {
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memcpy(dst, colors[((y / 8) & 1) != ((x / 8) & 1)], 4);
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dst += 4;
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}
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}
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}
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else {
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for (int i = frame.pitch * frame.h / frame.GetBpp() - 1; i >= 0; --i)
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memcpy(dst + i * 4, colors[0], 4);
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}
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}
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static long get_long(wxStringTokenizer &t, const char *err) {
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long ret;
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if (!t.GetNextToken().ToLong(&ret))
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throw VideoOpenError(err);
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return ret;
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}
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DummyVideoProvider::DummyVideoProvider(wxString const& filename) {
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wxString params;
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if (!filename.StartsWith("?dummy:", ¶ms))
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throw agi::FileNotFoundError("Attempted creating dummy video provider with non-dummy filename");
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wxStringTokenizer t(params, ":");
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if (t.CountTokens() < 7)
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throw VideoOpenError("Too few fields in dummy video parameter list");
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double fps;
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if (!t.GetNextToken().ToDouble(&fps))
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throw VideoOpenError("Unable to parse fps field in dummy video parameter list");
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long frames = get_long(t, "Unable to parse framecount field in dummy video parameter list");
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long width = get_long(t, "Unable to parse width field in dummy video parameter list");
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long height = get_long(t, "Unable to parse height field in dummy video parameter list");
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long red = get_long(t, "Unable to parse red colour field in dummy video parameter list");
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long green = get_long(t, "Unable to parse green colour field in dummy video parameter list");
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long blue = get_long(t, "Unable to parse blue colour field in dummy video parameter list");
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bool pattern = t.GetNextToken() == "c";
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Create(fps, frames, width, height, red, green, blue, pattern);
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}
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DummyVideoProvider::DummyVideoProvider(double fps, int frames, int width, int height, agi::Color colour, bool pattern) {
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Create(fps, frames, width, height, colour.r, colour.g, colour.b, pattern);
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}
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DummyVideoProvider::~DummyVideoProvider() {
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frame.Clear();
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}
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wxString DummyVideoProvider::MakeFilename(double fps, int frames, int width, int height, agi::Color colour, bool pattern) {
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return wxString::Format("?dummy:%f:%d:%d:%d:%d:%d:%d:%s", fps, frames, width, height, colour.r, colour.g, colour.b, pattern ? "c" : "");
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}
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