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implement streams and streamcollections and finish message parsers

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tinyzimmer
2020-09-28 20:16:51 +03:00
parent 10b088998b
commit 2927ae7b1d
8 changed files with 241 additions and 23 deletions
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31
gst/gst_constants.go
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@@ -2,6 +2,7 @@ package gst
// #include "gst.go.h"
import "C"
import "unsafe"
// ClockTime is a go representation of a GstClockTime. Most of the time these are casted
// to time.Duration objects. It represents a time value in nanoseconds.
@@ -368,3 +369,33 @@ func (p ProgressType) String() string {
}
return ""
}
// StreamType is a go representation of a GstStreamType
type StreamType int
// Type castings of stream types
const (
StreamTypeUnknown StreamType = C.GST_STREAM_TYPE_UNKNOWN // (1) – The stream is of unknown (unclassified) type.
StreamTypeAudio StreamType = C.GST_STREAM_TYPE_AUDIO // (2) – The stream is of audio data
StreamTypeVideo StreamType = C.GST_STREAM_TYPE_VIDEO // (4) – The stream carries video data
StreamTypeContainer StreamType = C.GST_STREAM_TYPE_CONTAINER // (8) – The stream is a muxed container type
StreamTypeText StreamType = C.GST_STREAM_TYPE_TEXT // (16) – The stream contains subtitle / subpicture data.
)
// String implements a stringer on StreamTypes.
func (s StreamType) String() string {
name := C.gst_stream_type_get_name((C.GstStreamType)(s))
defer C.free(unsafe.Pointer(name))
return C.GoString(name)
}
// StreamFlags represent configuration options for a new stream.
type StreamFlags int
// Type castings of StreamFlags
const (
StreamFlagNone StreamFlags = C.GST_STREAM_FLAG_NONE // (0) – This stream has no special attributes
StreamFlagSparse StreamFlags = C.GST_STREAM_FLAG_SPARSE // (1) – This stream is a sparse stream (e.g. a subtitle stream), data may flow only in irregular intervals with large gaps in between.
StreamFlagSelect StreamFlags = C.GST_STREAM_FLAG_SELECT // (2) – This stream should be selected by default. This flag may be used by demuxers to signal that a stream should be selected by default in a playback scenario.
StreamFlagUnselect StreamFlags = C.GST_STREAM_FLAG_UNSELECT // (4) – This stream should not be selected by default. This flag may be used by demuxers to signal that a stream should not be selected by default in a playback scenario, but only if explicitly selected by the user (e.g. an audio track for the hard of hearing or a director's commentary track).
)