ffmpeg 实现RTSP/RTMP 从服务器拉音视频流，保存为h264和AAC

int my_av_bsf_filter(const AVBitStreamFilter *filter, AVPacket *pPacket, const AVCodecParameters *src) { int ret; AVBSFContext *ctx = NULL; if (!filter) return 0; ret = av_bsf_alloc(filter, &ct

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