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/***
Olive - Non-Linear Video Editor
Copyright (C) 2019 Olive Team
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
***/
#include "frame.h"
#include <QDebug>
#include <QtGlobal>
#include <QtMath>
OLIVE_NAMESPACE_ENTER
Frame::Frame() :
timestamp_(0),
sample_aspect_ratio_(1)
{
}
FramePtr Frame::Create()
{
return std::make_shared<Frame>();
}
const VideoParams &Frame::video_params() const
{
return params_;
}
void Frame::set_video_params(const VideoParams ¶ms)
{
params_ = params;
// Align linesize to 16
linesize_ = qCeil(static_cast<double>(width()) / 16.0) * 16;
}
int Frame::linesize_pixels() const
{
return linesize_;
}
int Frame::linesize_bytes() const
{
return linesize_pixels() * PixelFormat::BytesPerPixel(params_.format());
}
const int &Frame::width() const
{
return params_.effective_width();
}
const int &Frame::height() const
{
return params_.effective_height();
}
const PixelFormat::Format &Frame::format() const
{
return params_.format();
}
Color Frame::get_pixel(int x, int y) const
{
if (!contains_pixel(x, y)) {
return Color();
}
int pixel_index = y * linesize_pixels() + x;
int byte_offset = PixelFormat::GetBufferSize(video_params().format(), pixel_index, 1);
return Color(data_.data() + byte_offset, video_params().format());
}
bool Frame::contains_pixel(int x, int y) const
{
return (is_allocated() && x >= 0 && x < width() && y >= 0 && y < height());
}
void Frame::set_pixel(int x, int y, const Color &c)
{
if (!contains_pixel(x, y)) {
return;
}
int pixel_index = y * linesize_pixels() + x;
int byte_offset = PixelFormat::GetBufferSize(video_params().format(), pixel_index, 1);
c.toData(data_.data() + byte_offset, video_params().format());
}
const rational &Frame::sample_aspect_ratio() const
{
return sample_aspect_ratio_;
}
void Frame::set_sample_aspect_ratio(const rational &aspect_ratio)
{
sample_aspect_ratio_ = aspect_ratio;
}
const rational &Frame::timestamp() const
{
return timestamp_;
}
void Frame::set_timestamp(const rational ×tamp)
{
timestamp_ = timestamp;
}
const int64_t &Frame::native_timestamp()
{
return native_timestamp_;
}
void Frame::set_native_timestamp(const int64_t ×tamp)
{
native_timestamp_ = timestamp;
}
char *Frame::data()
{
return data_.data();
}
const char *Frame::const_data() const
{
return data_.constData();
}
void Frame::allocate()
{
// Assume this frame is intended to be a video frame
if (!params_.is_valid()) {
qWarning() << "Tried to allocate a frame with invalid parameters";
return;
}
data_.resize(PixelFormat::GetBufferSize(params_.format(), linesize_, params_.height()));
}
bool Frame::is_allocated() const
{
return !data_.isEmpty();
}
void Frame::destroy()
{
data_.clear();
}
int Frame::allocated_size() const
{
return data_.size();
}
OLIVE_NAMESPACE_EXIT
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