Qt With ffmpeg through rtmp live broadcast to achieve a webcam, supports up to 16 video streams. However, the thread control is not good, when you reopen the video stream, memory error occurs, the program crashes.

RTSPTool
........\Debug
........\.....\avcodec-55.dll
........\.....\avdevice-55.dll
........\.....\avfilter-4.dll
........\.....\avformat-55.dll
........\.....\avutil-52.dll
........\.....\rtsp.txt
........\.....\RTSPTool.ilk
........\.....\swscale-2.dll
........\RTSPTool
........\RTSPTool.ncb
........\RTSPTool.sln
........\RTSPTool.suo
........\........\Debug
........\........\.....\BuildLog.htm
........\........\GeneratedFiles
........\........\..............\Debug
........\........\..............\Release
........\........\include
........\........\.......\libavcodec
........\........\.......\..........\avcodec.h
........\........\.......\..........\avfft.h
........\........\.......\..........\dxva2.h
........\........\.......\..........\old_codec_ids.h
........\........\.......\..........\vaapi.h
........\........\.......\..........\vda.h
........\........\.......\..........\vdpau.h
........\........\.......\..........\version.h
........\........\.......\..........\xvmc.h
........\........\.......\libavfilter
........\........\.......\...........\asrc_abuffer.h
........\........\.......\...........\avcodec.h
........\........\.......\...........\avfilter.h
........\........\.......\...........\avfiltergraph.h
........\........\.......\...........\buffersink.h
........\........\.......\...........\buffersrc.h
........\........\.......\...........\version.h
........\........\.......\libavformat
........\........\.......\...........\avformat.h
........\........\.......\...........\avio.h
........\........\.......\...........\version.h
........\........\.......\libavutil
........\........\.......\.........\adler32.h
........\........\.......\.........\aes.h
........\........\.......\.........\attributes.h
........\........\.......\.........\audio_fifo.h
........\........\.......\.........\audioconvert.h
........\........\.......\.........\avassert.h
........\........\.......\.........\avconfig.h
........\........\.......\.........\avstring.h
........\........\.......\.........\avutil.h
........\........\.......\.........\base64.h
........\........\.......\.........\blowfish.h
........\........\.......\.........\bprint.h
........\........\.......\.........\bswap.h
........\........\.......\.........\buffer.h
........\........\.......\.........\channel_layout.h
........\........\.......\.........\common.h
........\........\.......\.........\cpu.h
........\........\.......\.........\crc.h
........\........\.......\.........\dict.h
........\........\.......\.........\downmix_info.h
........\........\.......\.........\error.h
........\........\.......\.........\eval.h
........\........\.......\.........\ffversion.h
........\........\.......\.........\fifo.h
........\........\.......\.........\file.h
........\........\.......\.........\frame.h
........\........\.......\.........\hmac.h
........\........\.......\.........\imgutils.h
........\........\.......\.........\intfloat.h
........\........\.......\.........\intfloat_readwrite.h
........\........\.......\.........\intreadwrite.h
........\........\.......\.........\lfg.h
........\........\.......\.........\log.h
........\........\.......\.........\lzo.h
........\........\.......\.........\macros.h
........\........\.......\.........\mathematics.h
........\........\.......\.........\md5.h
........\........\.......\.........\mem.h
........\........\.......\.........\murmur3.h
........\........\.......\.........\old_pix_fmts.h
........\........\.......\.........\opt.h
........\........\.......\.........\parseutils.h
........\........\.......\.........\pixdesc.h
........\........\.......\.........\pixfmt.h
........\........\.......\.........\random_seed.h
........\........\.......\.........\rational.h
........\........\.......\.........\replaygain.h
........\........\.......\.........\ripemd.h
........\........\.......\.........\samplefmt.h
........\........\.......\.........\sha.h
........\........\.......\.........\sha512.h
........\........\.......\.........\stereo3d.h
........\........\.......\.........\time.h
........\........\.......\.........\timecode.h
........\...

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