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Merge plugin experimentation branch - GstBaseSrcs can now be implemented via the bindings but with very limited functionality still

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This commit is contained in:
Avi Zimmerman
2021-01-06 22:50:03 +02:00
parent 7f4972677d
commit 26cf65f211
34 changed files with 1950 additions and 919 deletions
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62
gst/constants.go
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@@ -5,6 +5,32 @@ import "C"
import "unsafe"
// Version represents information about the current GST version.
type Version int
const (
// VersionMajor is the major version number of the GStreamer core.
VersionMajor Version = C.GST_VERSION_MAJOR
// VersionMinor is the minor version number of the GStreamer core.
VersionMinor Version = C.GST_VERSION_MINOR
)
// License represents a type of license used on a plugin.
type License string
// Types of licenses
const (
LicenseLGPL License = "LGPL"
LicenseGPL License = "GPL"
LicenseQPL License = "QPL"
LicenseGPLQPL License = "GPL/QPL"
LicenseMPL License = "MPL"
LicenseBSD License = "BSD"
LicenseMIT License = "MIT/X11"
LicenseProprietary License = "Proprietary"
LicenseUnknown License = "unknown"
)
// GFraction is a helper structure for building fractions for functions that require them.
type GFraction struct {
num, denom int
@@ -382,20 +408,20 @@ type PadDirection int
// Type casting of pad directions
const (
PadUnknown PadDirection = C.GST_PAD_UNKNOWN // (0) - the direction is unknown
PadSource PadDirection = C.GST_PAD_SRC // (1) - the pad is a source pad
PadSink PadDirection = C.GST_PAD_SINK // (2) - the pad is a sink pad
PadDirectionUnknown PadDirection = C.GST_PAD_UNKNOWN // (0) - the direction is unknown
PadDirectionSource PadDirection = C.GST_PAD_SRC // (1) - the pad is a source pad
PadDirectionSink PadDirection = C.GST_PAD_SINK // (2) - the pad is a sink pad
)
// String implements a Stringer on PadDirection.
func (p PadDirection) String() string {
switch p {
case PadUnknown:
return "Unknown"
case PadSource:
return "Src"
case PadSink:
return "Sink"
case PadDirectionUnknown:
return "unknown"
case PadDirectionSource:
return "src"
case PadDirectionSink:
return "sink"
}
return ""
}
@@ -424,20 +450,20 @@ type PadPresence int
// Type casting of pad presences
const (
PadAlways PadPresence = C.GST_PAD_ALWAYS // (0) - the pad is always available
PadSometimes PadPresence = C.GST_PAD_SOMETIMES // (1) - the pad will become available depending on the media stream
PadRequest PadPresence = C.GST_PAD_REQUEST // (2) - the pad is only available on request with gst_element_request_pad.
PadPresenceAlways PadPresence = C.GST_PAD_ALWAYS // (0) - the pad is always available
PadPresenceSometimes PadPresence = C.GST_PAD_SOMETIMES // (1) - the pad will become available depending on the media stream
PadPresenceRequest PadPresence = C.GST_PAD_REQUEST // (2) - the pad is only available on request with gst_element_request_pad.
)
// String implements a stringer on PadPresence.
func (p PadPresence) String() string {
switch p {
case PadAlways:
return "Always"
case PadSometimes:
return "Sometimes"
case PadRequest:
return "Request"
case PadPresenceAlways:
return "always"
case PadPresenceSometimes:
return "sometimes"
case PadPresenceRequest:
return "request"
}
return ""
}