ndk: add legacy media compatibility module

Author: xaionaro

compat/xaionaro-go-ndk/go.mod

@@ -0,0 +1,3 @@
+module github.com/xaionaro-go/ndk
+
+go 1.25.0

compat/xaionaro-go-ndk/media/error.go

@@ -0,0 +1,100 @@
+//go:build android && cgo
+
+// Copyright 2018-2024 The gooid Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style license.
+
+package media
+
+import (
+	"fmt"
+)
+
+// #include <media/NdkMediaError.h>
+import "C"
+
+// MediaStatus is an NDK media_status_t value.
+type MediaStatus int
+
+const (
+	MEDIA_OK = MediaStatus(C.AMEDIA_OK)
+
+	ERROR_BASE              = MediaStatus(C.AMEDIA_ERROR_BASE)
+	ERROR_UNKNOWN           = MediaStatus(C.AMEDIA_ERROR_UNKNOWN)
+	ERROR_MALFORMED         = MediaStatus(C.AMEDIA_ERROR_MALFORMED)
+	ERROR_UNSUPPORTED       = MediaStatus(C.AMEDIA_ERROR_UNSUPPORTED)
+	ERROR_INVALID_OBJECT    = MediaStatus(C.AMEDIA_ERROR_INVALID_OBJECT)
+	ERROR_INVALID_PARAMETER = MediaStatus(C.AMEDIA_ERROR_INVALID_PARAMETER)
+	ERROR_INVALID_OPERATION = MediaStatus(C.AMEDIA_ERROR_INVALID_OPERATION)
+
+	DRM_ERROR_BASE         = MediaStatus(C.AMEDIA_DRM_ERROR_BASE)
+	DRM_NOT_PROVISIONED    = MediaStatus(C.AMEDIA_DRM_NOT_PROVISIONED)
+	DRM_RESOURCE_BUSY      = MediaStatus(C.AMEDIA_DRM_RESOURCE_BUSY)
+	DRM_DEVICE_REVOKED     = MediaStatus(C.AMEDIA_DRM_DEVICE_REVOKED)
+	DRM_SHORT_BUFFER       = MediaStatus(C.AMEDIA_DRM_SHORT_BUFFER)
+	DRM_SESSION_NOT_OPENED = MediaStatus(C.AMEDIA_DRM_SESSION_NOT_OPENED)
+	DRM_TAMPER_DETECTED    = MediaStatus(C.AMEDIA_DRM_TAMPER_DETECTED)
+	DRM_VERIFY_FAILED      = MediaStatus(C.AMEDIA_DRM_VERIFY_FAILED)
+	DRM_NEED_KEY           = MediaStatus(C.AMEDIA_DRM_NEED_KEY)
+	DRM_LICENSE_EXPIRED    = MediaStatus(C.AMEDIA_DRM_LICENSE_EXPIRED)
+
+	IMGREADER_ERROR_BASE          = MediaStatus(C.AMEDIA_IMGREADER_ERROR_BASE)
+	IMGREADER_NO_BUFFER_AVAILABLE = MediaStatus(C.AMEDIA_IMGREADER_NO_BUFFER_AVAILABLE)
+	IMGREADER_MAX_IMAGES_ACQUIRED = MediaStatus(C.AMEDIA_IMGREADER_MAX_IMAGES_ACQUIRED)
+	IMGREADER_CANNOT_LOCK_IMAGE   = MediaStatus(C.AMEDIA_IMGREADER_CANNOT_LOCK_IMAGE)
+	IMGREADER_CANNOT_UNLOCK_IMAGE = MediaStatus(C.AMEDIA_IMGREADER_CANNOT_UNLOCK_IMAGE)
+	IMGREADER_IMAGE_NOT_LOCKED    = MediaStatus(C.AMEDIA_IMGREADER_IMAGE_NOT_LOCKED)
+)
+
+func (i MediaStatus) Error() string {
+	switch i {
+	case ERROR_UNKNOWN:
+		return "ERROR_UNKNOWN"
+	case ERROR_MALFORMED:
+		return "ERROR_MALFORMED"
+	case ERROR_UNSUPPORTED:
+		return "ERROR_UNSUPPORTED"
+	case ERROR_INVALID_OBJECT:
+		return "ERROR_INVALID_OBJECT"
+	case ERROR_INVALID_PARAMETER:
+		return "ERROR_INVALID_PARAMETER"
+	case ERROR_INVALID_OPERATION:
+		return "ERROR_INVALID_OPERATION"
+	case DRM_NOT_PROVISIONED:
+		return "DRM_NOT_PROVISIONED"
+	case DRM_RESOURCE_BUSY:
+		return "DRM_RESOURCE_BUSY"
+	case DRM_DEVICE_REVOKED:
+		return "DRM_DEVICE_REVOKED"
+	case DRM_SHORT_BUFFER:
+		return "DRM_SHORT_BUFFER"
+	case DRM_SESSION_NOT_OPENED:
+		return "DRM_SESSION_NOT_OPENED"
+	case DRM_TAMPER_DETECTED:
+		return "DRM_TAMPER_DETECTED"
+	case DRM_VERIFY_FAILED:
+		return "DRM_VERIFY_FAILED"
+	case DRM_NEED_KEY:
+		return "DRM_NEED_KEY"
+	case DRM_LICENSE_EXPIRED:
+		return "DRM_LICENSE_EXPIRED"
+	case IMGREADER_NO_BUFFER_AVAILABLE:
+		return "IMGREADER_NO_BUFFER_AVAILABLE"
+	case IMGREADER_MAX_IMAGES_ACQUIRED:
+		return "IMGREADER_MAX_IMAGES_ACQUIRED"
+	case IMGREADER_CANNOT_LOCK_IMAGE:
+		return "IMGREADER_CANNOT_LOCK_IMAGE"
+	case IMGREADER_CANNOT_UNLOCK_IMAGE:
+		return "IMGREADER_CANNOT_UNLOCK_IMAGE"
+	case IMGREADER_IMAGE_NOT_LOCKED:
+		return "IMGREADER_IMAGE_NOT_LOCKED"
+	}
+	return fmt.Sprintf("ERROR_MEDIA_%d", i)
+}
+
+// CMediaStatusToError converts an NDK media status to the corresponding Go error.
+func CMediaStatusToError(status C.media_status_t) error {
+	if MediaStatus(status) != MEDIA_OK {
+		return MediaStatus(status)
+	}
+	return nil
+}

compat/xaionaro-go-ndk/media/media_codec.go

@@ -0,0 +1,26 @@
+//go:build android && cgo
+
+// Copyright 2018-2024 The gooid Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style license.
+
+package media
+
+// #cgo LDFLAGS: -lmediandk
+// #include <sys/types.h>
+// #include <media/NdkMediaCodec.h>
+// #include <media/NdkMediaFormat.h>
+import "C"
+
+// MediaCodec is a non-owning view of an NDK AMediaCodec handle.
+type MediaCodec C.AMediaCodec
+
+// CPointer returns the underlying NDK handle without transferring ownership.
+func (mc *MediaCodec) CPointer() *C.AMediaCodec {
+	return (*C.AMediaCodec)(mc)
+}
+
+// SetParameters applies params to the codec.
+func (mc *MediaCodec) SetParameters(params *MediaFormat) error {
+	status := C.AMediaCodec_setParameters(mc.CPointer(), params.CPointer())
+	return CMediaStatusToError(status)
+}

compat/xaionaro-go-ndk/media/media_format.go

@@ -0,0 +1,19 @@
+//go:build android && cgo
+
+// Copyright 2018-2024 The gooid Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style license.
+
+package media
+
+// #cgo LDFLAGS: -lmediandk
+// #include <sys/types.h>
+// #include <media/NdkMediaFormat.h>
+import "C"
+
+// MediaFormat is a non-owning view of an NDK AMediaFormat handle.
+type MediaFormat C.AMediaFormat
+
+// CPointer returns the underlying NDK handle without transferring ownership.
+func (mf *MediaFormat) CPointer() *C.AMediaFormat {
+	return (*C.AMediaFormat)(mf)
+}