#include "Packet.h"
#include <stdexcept>

namespace ffcpp {

	Packet::Packet() {
		_packet.data = nullptr;
		_packet.size = 0;
		av_init_packet(&_packet);
	}

	Packet::Packet(AVPacket packet): _packet(packet) {

	}

	Packet::Packet(Packet&& packet) {
		*this = std::move(packet);
	}

	Packet& Packet::operator=(Packet&& packet) {
		_packet = packet._packet;
		packet._packet.size = 0;
		packet._packet.data = nullptr;
		return *this;
	}

	Packet::~Packet() {
		if(_packet.data) {
			av_free_packet(&_packet);
		}
	}

	Packet::operator bool() {
		return (_packet.data != nullptr);
	}

	Packet::operator AVPacket*() {
		return &_packet;
	}

	int Packet::streamIndex() const {
		return _packet.stream_index;
	}

	void Packet::setStreamIndex(int index) {
		_packet.stream_index = index;
	}

	void Packet::rescaleTimestamps(AVRational from, AVRational to) {
		av_packet_rescale_ts(&_packet, from, to);
	}

}