1 files changed, 57 insertions, 0 deletions
diff --git a/src/status_code.cc b/src/status_code.cc
new file mode 100644
index 0000000..34def08
--- /dev/null
+++ b/src/status_code.cc
@@ -0,0 +1,57 @@
+// Copyright 2019 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "src/gav1/status_code.h"
+
+extern "C" {
+
+const char* Libgav1GetErrorString(Libgav1StatusCode status) {
+  switch (status) {
+    case kLibgav1StatusOk:
+      return "Success.";
+    case kLibgav1StatusUnknownError:
+      return "Unknown error.";
+    case kLibgav1StatusInvalidArgument:
+      return "Invalid function argument.";
+    case kLibgav1StatusOutOfMemory:
+      return "Memory allocation failure.";
+    case kLibgav1StatusResourceExhausted:
+      return "Ran out of a resource (other than memory).";
+    case kLibgav1StatusNotInitialized:
+      return "The object is not initialized.";
+    case kLibgav1StatusAlready:
+      return "An operation that can only be performed once has already been "
+             "performed.";
+    case kLibgav1StatusUnimplemented:
+      return "Not implemented.";
+    case kLibgav1StatusInternalError:
+      return "Internal error in libgav1.";
+    case kLibgav1StatusBitstreamError:
+      return "The bitstream is not encoded correctly or violates a bitstream "
+             "conformance requirement.";
+    case kLibgav1StatusTryAgain:
+      return "The operation is not allowed at the moment. Try again later.";
+    case kLibgav1StatusNothingToDequeue:
+      return "There are no enqueued frames, so there is nothing to dequeue. "
+             "Try enqueuing a frame before trying to dequeue again.";
+    // This switch statement does not have a default case. This way the compiler
+    // will warn if we neglect to update this function after adding a new value
+    // to the Libgav1StatusCode enum type.
+    case kLibgav1StatusReservedForFutureExpansionUseDefaultInSwitchInstead_:
+      break;
+  }
+  return "Unrecognized status code.";
+}
+
+}  // extern "C"