forked from mia/Aegisub
126 lines
4.7 KiB
C++
126 lines
4.7 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/
|
|
//
|
|
// $Id$
|
|
|
|
/// @file video_provider_dummy.cpp
|
|
/// @brief Video provider returning a constant frame
|
|
/// @ingroup video_input
|
|
///
|
|
|
|
#include "config.h"
|
|
|
|
#include "video_provider_dummy.h"
|
|
|
|
#ifndef AGI_PRE
|
|
#include <wx/colour.h>
|
|
#include <wx/tokenzr.h>
|
|
#endif
|
|
|
|
#include "colorspace.h"
|
|
|
|
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;
|
|
this->frame = AegiVideoFrame(width, height);
|
|
|
|
unsigned char *dst = frame.data;
|
|
unsigned char colors[2][4] = {
|
|
{ blue, green, red, 0 },
|
|
{ 0, 0, 0, 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, &colors[1][2], &colors[1][1], &colors[1][0]);
|
|
|
|
// Divide into a 8x8 grid and use light colours when row % 2 != col % 2
|
|
int ppitch = frame.pitch / frame.GetBpp();
|
|
for (unsigned int y = 0; y < frame.h; ++y) {
|
|
for (int x = 0; x < ppitch; ++x) {
|
|
memcpy(dst, colors[((y / 8) & 1) != ((x / 8) & 1)], 4);
|
|
dst += 4;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
for (int i = frame.pitch * frame.h / frame.GetBpp() - 1; i >= 0; --i)
|
|
memcpy(dst + i * 4, colors[0], 4);
|
|
}
|
|
}
|
|
|
|
static long get_long(wxStringTokenizer &t, const char *err) {
|
|
long ret;
|
|
if (!t.GetNextToken().ToLong(&ret))
|
|
throw VideoOpenError(err);
|
|
return ret;
|
|
}
|
|
|
|
DummyVideoProvider::DummyVideoProvider(wxString const& filename) {
|
|
wxString params;
|
|
if (!filename.StartsWith("?dummy:", ¶ms))
|
|
throw agi::FileNotFoundError("Attempted creating dummy video provider with non-dummy filename");
|
|
|
|
wxStringTokenizer t(params, ":");
|
|
if (t.CountTokens() < 7)
|
|
throw VideoOpenError("Too few fields in dummy video parameter list");
|
|
|
|
double fps;
|
|
if (!t.GetNextToken().ToDouble(&fps))
|
|
throw VideoOpenError("Unable to parse fps field in dummy video parameter list");
|
|
|
|
long frames = get_long(t, "Unable to parse framecount field in dummy video parameter list");
|
|
long width = get_long(t, "Unable to parse width field in dummy video parameter list");
|
|
long height = get_long(t, "Unable to parse height field in dummy video parameter list");
|
|
long red = get_long(t, "Unable to parse red colour field in dummy video parameter list");
|
|
long green = get_long(t, "Unable to parse green colour field in dummy video parameter list");
|
|
long blue = get_long(t, "Unable to parse blue colour field in dummy video parameter list");
|
|
|
|
bool pattern = t.GetNextToken() == "c";
|
|
|
|
Create(fps, frames, width, height, red, green, blue, pattern);
|
|
}
|
|
|
|
DummyVideoProvider::DummyVideoProvider(double fps, int frames, int width, int height, const wxColour &colour, bool pattern) {
|
|
Create(fps, frames, width, height, colour.Red(), colour.Green(), colour.Blue(), pattern);
|
|
}
|
|
|
|
DummyVideoProvider::~DummyVideoProvider() {
|
|
frame.Clear();
|
|
}
|
|
|
|
wxString DummyVideoProvider::MakeFilename(double fps, int frames, int width, int height, const wxColour &colour, bool pattern) {
|
|
return wxString::Format("?dummy:%f:%d:%d:%d:%d:%d:%d:%s", fps, frames, width, height, colour.Red(), colour.Green(), colour.Blue(), pattern ? "c" : "");
|
|
}
|