File indexing completed on 2025-01-19 03:57:05

 /*********************************************************
  * Copyright (C) 2020, Val Doroshchuk <valbok@gmail.com> *
  *                                                       *
  * This file is part of QtAVPlayer.                      *
  * Free Qt Media Player based on FFmpeg.                 *
  *********************************************************/
 
 #include "qavpacket_p.h"
 #include "qavcodec_p.h"
 #include "qavstream.h"
 #include <QSharedPointer>
 #include <QDebug>
 
 extern "C" {
 #include <libavcodec/avcodec.h>
 #include <libavformat/avformat.h>
 #include <libavutil/opt.h>
 }
 
 QT_BEGIN_NAMESPACE
 
 class QAVPacketPrivate
 {
 public:
     AVPacket *pkt = nullptr;
     QAVStream stream;
 };
 
 QAVPacket::QAVPacket()
     : d_ptr(new QAVPacketPrivate)
 {
     d_ptr->pkt = av_packet_alloc();
     d_ptr->pkt->size = 0;
     d_ptr->pkt->stream_index = -1;
     d_ptr->pkt->pts = AV_NOPTS_VALUE;
 }
 
 QAVPacket::QAVPacket(const QAVPacket &other)
     : QAVPacket()
 {
     *this = other;
 }
 
 QAVPacket &QAVPacket::operator=(const QAVPacket &other)
 {
     av_packet_unref(d_ptr->pkt);
     av_packet_ref(d_ptr->pkt, other.d_ptr->pkt);
 
     d_ptr->stream = other.d_ptr->stream;
 
     return *this;
 }
 
 QAVPacket::operator bool() const
 {
     Q_D(const QAVPacket);
     return d->pkt->size;
 }
 
 QAVPacket::~QAVPacket()
 {
     Q_D(QAVPacket);
     av_packet_free(&d->pkt);
 }
 
 AVPacket *QAVPacket::packet() const
 {
     return d_func()->pkt;
 }
 
 double QAVPacket::duration() const
 {
     Q_D(const QAVPacket);
     if (!d->stream)
         return 0.0;
     auto tb = d->stream.stream()->time_base;
     return tb.num && tb.den ? d->pkt->duration * av_q2d(tb) : 0.0;
 }
 
 double QAVPacket::pts() const
 {
     Q_D(const QAVPacket);
     if (!d->stream)
         return 0.0;
     auto tb = d->stream.stream()->time_base;
     return tb.num && tb.den ? d->pkt->pts * av_q2d(tb) : 0.0;
 }
 
 QAVStream QAVPacket::stream() const
 {
     Q_D(const QAVPacket);
     return d->stream;
 }
 
 void QAVPacket::setStream(const QAVStream &stream)
 {
     Q_D(QAVPacket);
     d->stream = stream;
 }
 
 int QAVPacket::send() const
 {
     Q_D(const QAVPacket);
     return d->stream ? d->stream.codec()->write(*this) : 0;
 }
 
 QT_END_NAMESPACE