srs中时间戳抖动处理

致一

已于 2024-05-07 15:07:42 修改

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分类专栏： srs5.0 文章标签：音视频时间戳 rtmp srs时间戳

于 2017-03-02 16:54:27 首次发布

本文链接：https://blog.youkuaiyun.com/lcalqf/article/details/59543410

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该博客探讨了在SRS（Simple Real-time Streaming）流媒体服务器中，如何处理音视频时间戳的抖动问题。当时间戳超出预设的抖动范围时，采取将时间戳置为默认值的策略，确保相对时间的稳定性。

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/**
* the time jitter algorithm:
* 1. full, to ensure stream start at zero, and ensure stream monotonically increasing.
* 2. zero, only ensure sttream start at zero, ignore timestamp jitter.
* 3. off, disable the time jitter algorithm, like atc.
*/
enum SrsRtmpJitterAlgorithm
{
    SrsRtmpJitterAlgorithmFULL = 0x01,
    SrsRtmpJitterAlgorithmZERO,
    SrsRtmpJitterAlgorithmOFF
};
int _srs_time_jitter_string2int(std::string time_jitter);

/**
* time jitter detect and correct,
* to ensure the rtmp stream is monotonically.
*/
class SrsRtmpJitter
{
private:
    int64_t last_pkt_time;
    int64_t last_pkt_correct_time;
public:
    SrsRtmpJitter();
    virtual ~SrsRtmpJitter();
public:
    /**
    * detect the time jitter and correct it.
    * @