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/*
* Copyright 2003-2021 The Music Player Daemon Project
* http://www.musicpd.org
*
* 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 2 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_FFMPEG_FRAME_HXX
#define MPD_FFMPEG_FRAME_HXX
#include "Error.hxx"
extern "C" {
#include <libavutil/frame.h>
}
#include <new>
namespace Ffmpeg {
class Frame {
AVFrame *frame;
public:
Frame():frame(av_frame_alloc()) {
if (frame == nullptr)
throw std::bad_alloc();
}
~Frame() noexcept {
av_frame_free(&frame);
}
Frame(const Frame &) = delete;
Frame &operator=(const Frame &) = delete;
AVFrame &operator*() noexcept {
return *frame;
}
AVFrame *operator->() noexcept {
return frame;
}
AVFrame *get() noexcept {
return frame;
}
void Unref() noexcept {
av_frame_unref(frame);
}
void GetBuffer() {
int err = av_frame_get_buffer(frame, 0);
if (err < 0)
throw MakeFfmpegError(err, "av_frame_get_buffer() failed");
}
void MakeWritable() {
int err = av_frame_make_writable(frame);
if (err < 0)
throw MakeFfmpegError(err, "av_frame_make_writable() failed");
}
void *GetData(unsigned plane) noexcept {
return frame->data[plane];
}
};
} // namespace Ffmpeg
#endif
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