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This commit is contained in:
feiyangqingyun
2023-06-21 14:32:33 +08:00
parent 29e4fe010a
commit 4d6acb7c24
2 changed files with 16 additions and 6 deletions
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16
video/playffmpeg/ffmpeg/ffmpeg.cpp
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@@ -231,6 +231,7 @@ bool FFmpegThread::init()
void FFmpegThread::run() void FFmpegThread::run()
{ {
qint64 startTime = av_gettime();
while (!stopped) { while (!stopped) {
//根据标志位执行初始化操作 //根据标志位执行初始化操作
if (isPlay) { if (isPlay) {
@@ -270,16 +271,25 @@ void FFmpegThread::run()
emit receiveImage(image); emit receiveImage(image);
} }
msleep(1); usleep(1);
} }
#if 1
//延时(不然文件会立即全部播放完)
AVRational timeBase = {1, AV_TIME_BASE};
int64_t ptsTime = av_rescale_q(avPacket->dts, avFormatContext->streams[videoStreamIndex]->time_base, timeBase);
int64_t nowTime = av_gettime() - startTime;
if (ptsTime > nowTime) {
av_usleep(ptsTime - nowTime);
}
#endif
} else if (index == audioStreamIndex) { } else if (index == audioStreamIndex) {
//解码音频流,这里暂不处理,以后交给sdl播放 //解码音频流,自行处理
} }
} }
av_packet_unref(avPacket); av_packet_unref(avPacket);
av_freep(avPacket); av_freep(avPacket);
msleep(1); usleep(1);
} }
//线程结束后释放资源 //线程结束后释放资源

6
video/playffmpeg/widget.cpp
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@@ -6,10 +6,10 @@ Widget::Widget(QWidget *parent) : QWidget(parent), ui(new Ui::Widget)
{ {
ui->setupUi(this); ui->setupUi(this);
//本示例支持的是rtsp视频流(其他的一概不支持/没有做音视频同步)
QStringList urls; QStringList urls;
urls << "f:/1.mp4"; urls << "http://vfx.mtime.cn/Video/2021/11/16/mp4/211116131456748178.mp4";
urls << "rtsp://wowzaec2demo.streamlock.net/vod/mp4:BigBuckBunny_115k.mov"; urls << "http://vd3.bdstatic.com/mda-jennyc5ci1ugrxzi/mda-jennyc5ci1ugrxzi.mp4";
urls << "http://vfx.mtime.cn/Video/2019/02/04/mp4/190204084208765161.mp4";
urls << "rtsp://admin:Admin123456@192.168.0.15:554/media/video1"; urls << "rtsp://admin:Admin123456@192.168.0.15:554/media/video1";
ui->cboxUrl->addItems(urls); ui->cboxUrl->addItems(urls);
ui->cboxUrl->setCurrentIndex(0); ui->cboxUrl->setCurrentIndex(0);