82 lines
1.4 KiB
C++
82 lines
1.4 KiB
C++
#ifndef LIBAV_FRAME_HPP
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#define LIBAV_FRAME_HPP
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extern "C"{
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# include <libavcodec/avcodec.h>
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}
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#include <utility> //exchange
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namespace libav{
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class frame
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{
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private:
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AVFrame* m_frame;
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bool m_freep = false;
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public:
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frame(void){
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m_frame = av_frame_alloc();
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m_frame->data[0] = nullptr;
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}
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frame(int width, int height, int format):
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frame()
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{
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m_frame->width = width;
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m_frame->height = height;
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m_frame->format = format;
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}
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frame(const frame&) = delete;
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frame(frame&& f)noexcept:
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m_frame(std::exchange(f.m_frame, nullptr)),
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m_freep(f.m_freep){}
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~frame(void){
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reset();
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}
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frame& operator=(const frame&) = delete;
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frame& operator=(frame&& f)noexcept{
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std::swap(m_frame, f.m_frame);
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std::swap(m_freep, f.m_freep);
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return *this;
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}
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void reset(AVFrame* frame = nullptr){
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if(m_frame){
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if(m_freep){
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av_freep(&m_frame->data[0]);
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}
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av_frame_unref(m_frame);
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av_frame_free(&m_frame);
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}
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m_frame = frame;
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}
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void set_freep(bool b = true){
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m_freep = b;
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}
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AVFrame* release(void){
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return std::exchange(m_frame, nullptr);
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}
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AVFrame* operator->(void){
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return m_frame;
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}
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const AVFrame* operator->(void)const{
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return m_frame;
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}
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AVFrame* get(void){
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return m_frame;
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}
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const AVFrame* get(void)const{
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return m_frame;
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}
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operator AVFrame*(void){
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return m_frame;
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}
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operator const AVFrame*(void)const{
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return m_frame;
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}
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};
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}
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#endif
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