Aegisub/aegisub/src/video_frame.h

101 lines
3.3 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_frame.h
/// @see video_frame.cpp
/// @ingroup video
///
#pragma once
#ifndef AGI_PRE
#include <wx/image.h>
#endif
/// DOCME
/// @class AegiVideoFrame
/// @brief DOCME
///
/// DOCME
class AegiVideoFrame {
/// Whether the object owns its buffer. If this is false, **data should never be modified
bool ownMem;
/// @brief Reset values to the defaults
///
/// Note that this function DOES NOT deallocate memory.
/// Use Clear() for that
void Reset();
public:
/// @brief Allocate memory if needed
void Allocate();
/// The size in bytes of the frame buffer
unsigned int memSize;
/// Pointer to the data planes
unsigned char *data;
/// Width in pixels
unsigned int w;
/// Height in pixels
unsigned int h;
// Pitch, that is, the number of bytes used by each row.
unsigned int pitch;
/// First row is actually the bottom one
bool flipped;
/// Swap Red and Blue channels (controls RGB versus BGR ordering etc)
bool invertChannels;
AegiVideoFrame();
AegiVideoFrame(unsigned int width, unsigned int height);
// @brief Clear this frame, freeing its memory if nessesary
void Clear();
/// @brief Copy from an AegiVideoFrame
/// @param source The frame to copy from
void CopyFrom(const AegiVideoFrame &source);
/// @brief Set the frame to an externally allocated block of memory
/// @param source Target frame data
/// @param width The frame width in pixels
/// @param height The frame height in pixels
/// @param pitch The frame's pitch
/// @param format The frame's format
void SetTo(const unsigned char *source, unsigned int width, unsigned int height, unsigned int pitch);
/// @brief Get this frame as a wxImage
wxImage GetImage() const;
int GetBpp() const { return 4; };
};