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// Copyright 2019, Chef. All rights reserved.
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// https://github.com/q191201771/lal
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//
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// Use of this source code is governed by a MIT-style license
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// that can be found in the License file.
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//
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// Author: Chef (191201771@qq.com)
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package rtmp
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import (
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"github.com/q191201771/lal/pkg/base"
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)
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type OnReadRTMPAVMsg func(msg base.RTMPMsg)
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type PullSession struct {
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core *ClientSession
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}
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type PullSessionOption struct {
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// 从调用Pull函数，到接收音视频数据的前一步，也即收到服务端返回的rtmp play对应结果的信令的超时时间
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// 如果为0，则没有超时时间
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PullTimeoutMS int
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ReadAVTimeoutMS int
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}
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var defaultPullSessionOption = PullSessionOption{
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PullTimeoutMS: 0,
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ReadAVTimeoutMS: 0,
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}
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type ModPullSessionOption func(option *PullSessionOption)
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func NewPullSession(modOptions ...ModPullSessionOption) *PullSession {
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opt := defaultPullSessionOption
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for _, fn := range modOptions {
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fn(&opt)
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}
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return &PullSession{
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core: NewClientSession(CSTPullSession, func(option *ClientSessionOption) {
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option.DoTimeoutMS = opt.PullTimeoutMS
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option.ReadAVTimeoutMS = opt.ReadAVTimeoutMS
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}),
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}
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}
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// 如果没有发生错误，阻塞直到到接收音视频数据的前一步，也即收到服务端返回的rtmp play对应结果的信令
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//
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// @param onReadRTMPAVMsg: 注意，回调结束后，内存块会被PullSession重复使用
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func (s *PullSession) Pull(rawURL string, onReadRTMPAVMsg OnReadRTMPAVMsg) error {
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s.core.onReadRTMPAVMsg = onReadRTMPAVMsg
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return s.core.Do(rawURL)
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}
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// Pull成功后，调用该函数，可阻塞直到拉流结束
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func (s *PullSession) Wait() <-chan error {
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return s.core.Wait()
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}
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func (s *PullSession) Dispose() {
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s.core.Dispose()
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}
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func (s *PullSession) UniqueKey() string {
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return s.core.UniqueKey
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}
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func (s *PullSession) AppName() string {
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return s.core.AppName()
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}
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func (s *PullSession) StreamName() string {
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return s.core.StreamName()
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}
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func (s *PullSession) RawQuery() string {
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return s.core.RawQuery()
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}
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func (s *PullSession) GetStat() base.StatSession {
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return s.core.GetStat()
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}
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func (s *PullSession) UpdateStat(interval uint32) {
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s.core.UpdateStat(interval)
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}
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func (s *PullSession) IsAlive() (readAlive, writeAlive bool) {
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return s.core.IsAlive()
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}
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