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

2025-10-06 08:27:03 +08:00 · 2021-01-06 22:50:03 +02:00
parent 7f4972677d
commit 26cf65f211
34 changed files with 1950 additions and 919 deletions
--- a/gst/gst_errors.go
+++ b/gst/gst_errors.go
@@ -0,0 +1,84 @@
+package gst
+
+/*
+#include "gst.go.h"
+*/
+import "C"
+
+// Domain represents the different types of error domains.
+type Domain string
+
+// ErrorDomain castings
+const (
+	DomainCore     Domain = "CORE"
+	DomainLibrary  Domain = "LIBRARY"
+	DomainResource Domain = "RESOURCE"
+	DomainStream   Domain = "STREAM"
+)
+
+// ErrorCode represents GstGError codes.
+type ErrorCode int
+
+// Type castings of CoreErrors
+const (
+	CoreErrorFailed         ErrorCode = C.GST_CORE_ERROR_FAILED          // (1) – a general error which doesn't fit in any other category. Make sure you add a custom message to the error call.
+	CoreErrorTooLazy        ErrorCode = C.GST_CORE_ERROR_TOO_LAZY        // (2) – do not use this except as a placeholder for deciding where to go while developing code.
+	CoreErrorNotImplemented ErrorCode = C.GST_CORE_ERROR_NOT_IMPLEMENTED // (3) – use this when you do not want to implement this functionality yet.
+	CoreErrorStateChange    ErrorCode = C.GST_CORE_ERROR_STATE_CHANGE    // (4) – used for state change errors.
+	CoreErrorPad            ErrorCode = C.GST_CORE_ERROR_PAD             // (5) – used for pad-related errors.
+	CoreErrorThread         ErrorCode = C.GST_CORE_ERROR_THREAD          // (6) – used for thread-related errors.
+	CoreErrorNegotiation    ErrorCode = C.GST_CORE_ERROR_NEGOTIATION     // (7) – used for negotiation-related errors.
+	CoreErrorEvent          ErrorCode = C.GST_CORE_ERROR_EVENT           // (8) – used for event-related errors.
+	CoreErrorSeek           ErrorCode = C.GST_CORE_ERROR_SEEK            // (9) – used for seek-related errors.
+	CoreErrorCaps           ErrorCode = C.GST_CORE_ERROR_CAPS            // (10) – used for caps-related errors.
+	CoreErrorTag            ErrorCode = C.GST_CORE_ERROR_TAG             // (11) – used for negotiation-related errors.
+	CoreErrorMissingPlugin  ErrorCode = C.GST_CORE_ERROR_MISSING_PLUGIN  // (12) – used if a plugin is missing.
+	CoreErrorClock          ErrorCode = C.GST_CORE_ERROR_CLOCK           // (13) – used for clock related errors.
+	CoreErrorDisabled       ErrorCode = C.GST_CORE_ERROR_DISABLED        // (14) – used if functionality has been disabled at compile time.
+)
+
+// Type castings for LibraryErrors
+const (
+	LibraryErrorFailed   ErrorCode = C.GST_LIBRARY_ERROR_FAILED   // (1) – a general error which doesn't fit in any other category. Make sure you add a custom message to the error call.
+	LibraryErrorTooLazy  ErrorCode = C.GST_LIBRARY_ERROR_TOO_LAZY // (2) – do not use this except as a placeholder for deciding where to go while developing code.
+	LibraryErrorInit     ErrorCode = C.GST_LIBRARY_ERROR_INIT     // (3) – used when the library could not be opened.
+	LibraryErrorShutdown ErrorCode = C.GST_LIBRARY_ERROR_SHUTDOWN // (4) – used when the library could not be closed.
+	LibraryErrorSettings ErrorCode = C.GST_LIBRARY_ERROR_SETTINGS // (5) – used when the library doesn't accept settings.
+	LibraryErrorEncode   ErrorCode = C.GST_LIBRARY_ERROR_ENCODE   // (6) – used when the library generated an encoding error.
+)
+
+// Type castings for ResourceErrors
+const (
+	ResourceErrorFailed        ErrorCode = C.GST_RESOURCE_ERROR_FAILED          // (1) – a general error which doesn't fit in any other category. Make sure you add a custom message to the error call.
+	ResourceErrorTooLazy       ErrorCode = C.GST_RESOURCE_ERROR_TOO_LAZY        // (2) – do not use this except as a placeholder for deciding where to go while developing code.
+	ResourceErrorNotFound      ErrorCode = C.GST_RESOURCE_ERROR_NOT_FOUND       // (3) – used when the resource could not be found.
+	ResourceErrorBusy          ErrorCode = C.GST_RESOURCE_ERROR_BUSY            // (4) – used when resource is busy.
+	ResourceErrorOpenRead      ErrorCode = C.GST_RESOURCE_ERROR_OPEN_READ       // (5) – used when resource fails to open for reading.
+	ResourceErrorOpenWrite     ErrorCode = C.GST_RESOURCE_ERROR_OPEN_WRITE      // (6) – used when resource fails to open for writing.
+	ResourceErrorOpenReadWrite ErrorCode = C.GST_RESOURCE_ERROR_OPEN_READ_WRITE // (7) – used when resource cannot be opened for both reading and writing, or either (but unspecified which).
+	ResourceErrorClose         ErrorCode = C.GST_RESOURCE_ERROR_CLOSE           // (8) – used when the resource can't be closed.
+	ResourceErrorRead          ErrorCode = C.GST_RESOURCE_ERROR_READ            // (9) – used when the resource can't be read from.
+	ResourceErrorWrite         ErrorCode = C.GST_RESOURCE_ERROR_WRITE           // (10) – used when the resource can't be written to.
+	ResourceErrorSeek          ErrorCode = C.GST_RESOURCE_ERROR_SEEK            // (11) – used when a seek on the resource fails.
+	ResourceErrorSync          ErrorCode = C.GST_RESOURCE_ERROR_SYNC            // (12) – used when a synchronize on the resource fails.
+	ResourceErrorSettings      ErrorCode = C.GST_RESOURCE_ERROR_SETTINGS        // (13) – used when settings can't be manipulated on.
+	ResourceErrorNoSpaceLeft   ErrorCode = C.GST_RESOURCE_ERROR_NO_SPACE_LEFT   // (14) – used when the resource has no space left.
+	ResourceErrorNotAuthorized ErrorCode = C.GST_RESOURCE_ERROR_NOT_AUTHORIZED  // (15) – used when the resource can't be opened due to missing authorization. (Since: 1.2.4)
+)
+
+// Type castings for StreamErrors
+const (
+	StreamErrorFailed         ErrorCode = C.GST_STREAM_ERROR_FAILED          // (1) – a general error which doesn't fit in any other category. Make sure you add a custom message to the error call.
+	StreamErrorTooLazy        ErrorCode = C.GST_STREAM_ERROR_TOO_LAZY        // (2) – do not use this except as a placeholder for deciding where to go while developing code.
+	StreamErrorNotImplemented ErrorCode = C.GST_STREAM_ERROR_NOT_IMPLEMENTED // (3) – use this when you do not want to implement this functionality yet.
+	StreamErrorTypeNotFound   ErrorCode = C.GST_STREAM_ERROR_TYPE_NOT_FOUND  // (4) – used when the element doesn't know the stream's type.
+	StreamErrorWrongType      ErrorCode = C.GST_STREAM_ERROR_WRONG_TYPE      // (5) – used when the element doesn't handle this type of stream.
+	StreamErrorCodecNotFound  ErrorCode = C.GST_STREAM_ERROR_CODEC_NOT_FOUND // (6) – used when there's no codec to handle the stream's type.
+	StreamErrorDecode         ErrorCode = C.GST_STREAM_ERROR_DECODE          // (7) – used when decoding fails.
+	StreamErrorEncode         ErrorCode = C.GST_STREAM_ERROR_ENCODE          // (8) – used when encoding fails.
+	StreamErrorDemux          ErrorCode = C.GST_STREAM_ERROR_DEMUX           // (9) – used when demuxing fails.
+	StreamErrorMux            ErrorCode = C.GST_STREAM_ERROR_MUX             // (10) – used when muxing fails.
+	StreamErrorFormat         ErrorCode = C.GST_STREAM_ERROR_FORMAT          // (11) – used when the stream is of the wrong format (for example, wrong caps).
+	StreamErrorDecrypt        ErrorCode = C.GST_STREAM_ERROR_DECRYPT         // (12) – used when the stream is encrypted and can't be decrypted because this is not supported by the element.
+	StreamErrorDecryptNoKey   ErrorCode = C.GST_STREAM_ERROR_DECRYPT_NOKEY   // (13) – used when the stream is encrypted and can't be decrypted because no suitable key is available.
+)