RTSP source: always set Range header inside PLAY requests, fixing com…

…patibility with Parrot Streaming Server (#413)

go.mod

@@ -5,7 +5,7 @@ go 1.16
 require (
 	github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 // indirect
 	github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d // indirect
-	github.com/aler9/gortsplib v0.0.0-20210619191308-aeaa20063835
+	github.com/aler9/gortsplib v0.0.0-20210622205248-a58563453211
 	github.com/asticode/go-astits v0.0.0-00010101000000-000000000000
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/fsnotify/fsnotify v1.4.9

go.sum

@@ -4,8 +4,8 @@ github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d h1:UQZhZ2O0vMHr2c
 github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
 github.com/aler9/go-astits v0.0.0-20210423195926-582b09ed7c04 h1:CXgQLsU4uxWAmsXNOjGLbj0A+0IlRcpZpMgI13fmVwo=
 github.com/aler9/go-astits v0.0.0-20210423195926-582b09ed7c04/go.mod h1:DkOWmBNQpnr9mv24KfZjq4JawCFX1FCqjLVGvO0DygQ=
-github.com/aler9/gortsplib v0.0.0-20210619191308-aeaa20063835 h1:c7/0mQsKAAF/9o7a71ckAx1yKmEGadwlDgIKf/z3HiY=
-github.com/aler9/gortsplib v0.0.0-20210619191308-aeaa20063835/go.mod h1:s5FsbPRxJhU/YedvUKAKHVY+lQEdYsiJpuN2CHb89cI=
+github.com/aler9/gortsplib v0.0.0-20210622205248-a58563453211 h1:x/0AMdA9hsiNsA+FwqgZwzHPhl42T66naVS4toiLg5E=
+github.com/aler9/gortsplib v0.0.0-20210622205248-a58563453211/go.mod h1:s5FsbPRxJhU/YedvUKAKHVY+lQEdYsiJpuN2CHb89cI=
 github.com/aler9/rtmp v0.0.0-20210403095203-3be4a5535927 h1:95mXJ5fUCYpBRdSOnLAQAdJHHKxxxJrVCiaqDi965YQ=
 github.com/aler9/rtmp v0.0.0-20210403095203-3be4a5535927/go.mod h1:vzuE21rowz+lT1NGsWbreIvYulgBpCGnQyeTyFblUHc=
 github.com/asticode/go-astikit v0.20.0 h1:+7N+J4E4lWx2QOkRdOf6DafWJMv6O4RRfgClwQokrH8=