mirror of
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76 lines
2.2 KiB
Go
76 lines
2.2 KiB
Go
// Copyright (c) 2019,CAOHONGJU All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package codec
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// VideoMeta 视频元数据
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type VideoMeta struct {
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Codec string `json:"codec"`
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Width int `json:"width,omitempty"`
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Height int `json:"height,omitempty"`
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FixedFrameRate bool `json:"fixedframerate,omitempty"`
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FrameRate float64 `json:"framerate,omitempty"`
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DataRate float64 `json:"datarate,omitempty"`
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ClockRate int `json:"clockrate,omitempty"`
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Sps []byte `json:"-"`
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Pps []byte `json:"-"`
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Vps []byte `json:"-"`
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// // 媒体的参数集，如 sdp中的 sprop_xxx
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// parameterSets `json:"-"`
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// // 不同封装和传输方式的特别参数
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// // 比如 RTP 封装: streamid, packetization-mode, profile-level-id 等
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// specificParams `json:"-"`
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}
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// AudioMeta 音频元数据
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type AudioMeta struct {
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Codec string `json:"codec"`
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SampleRate int `json:"samplerate,omitempty"`
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SampleSize int `json:"samplesize,omitempty"`
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Channels int `json:"channels,omitempty"`
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DataRate float64 `json:"datarate,omitempty"`
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Sps []byte `json:"-"` // sps
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// // 媒体的参数集，如 sdp中的 sprop_xxx
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// parameterSets `json:"-"`
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// // 不同封装和传输方式的特别参数
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// // 比如 RTP 封装: streamid, mode, profile-level-id,sizelength, indexlength,indexdeltalength 等
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// specificParams `json:"-"`
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}
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type parameterSets [][]byte
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func (pss *parameterSets) ParameterSet(idx int) []byte {
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if len(*pss) <= idx {
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return nil
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}
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return (*pss)[idx]
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}
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func (pss *parameterSets) SetParameterSet(idx int, paramSet []byte) {
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if len(*pss) <= idx {
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temp := make(parameterSets, idx+1)
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copy(temp, *pss)
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*pss = temp
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}
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(*pss)[idx] = paramSet
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}
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type specificParams map[string]string
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func (params *specificParams) SpecificParam(name string) (value string, ok bool) {
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if params == nil {
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return
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}
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value, ok = (*params)[name]
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return
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}
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func (params *specificParams) SetSpecificParam(name, value string) {
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if params == nil {
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*params = make(specificParams)
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}
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(*params)[name] = value
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}
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