1 files changed, 74 insertions, 0 deletions
diff --git a/media/libcubeb/src/cubeb_log.h b/media/libcubeb/src/cubeb_log.h
new file mode 100644
index 0000000000..fb3b719b17
--- /dev/null
+++ b/media/libcubeb/src/cubeb_log.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright © 2016 Mozilla Foundation
+ *
+ * This program is made available under an ISC-style license.  See the
+ * accompanying file LICENSE for details.
+ */
+
+#ifndef CUBEB_LOG
+#define CUBEB_LOG
+
+#include "cubeb/cubeb.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined(__GNUC__) || defined(__clang__)
+#define PRINTF_FORMAT(fmt, args) __attribute__((format(printf, fmt, args)))
+#if defined(__FILE_NAME__)
+#define __FILENAME__ __FILE_NAME__
+#else
+#define __FILENAME__                                                           \
+  (__builtin_strrchr(__FILE__, '/') ? __builtin_strrchr(__FILE__, '/') + 1     \
+                                    : __FILE__)
+#endif
+#else
+#define PRINTF_FORMAT(fmt, args)
+#include <string.h>
+#define __FILENAME__                                                           \
+  (strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : __FILE__)
+#endif
+
+void
+cubeb_log_set(cubeb_log_level log_level, cubeb_log_callback log_callback);
+cubeb_log_level
+cubeb_log_get_level(void);
+cubeb_log_callback
+cubeb_log_get_callback(void);
+void
+cubeb_log_internal_no_format(const char * msg);
+void
+cubeb_log_internal(const char * filename, uint32_t line, const char * fmt, ...);
+void
+cubeb_async_log(const char * fmt, ...);
+void
+cubeb_async_log_reset_threads(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#define LOGV(msg, ...) LOG_INTERNAL(CUBEB_LOG_VERBOSE, msg, ##__VA_ARGS__)
+#define LOG(msg, ...) LOG_INTERNAL(CUBEB_LOG_NORMAL, msg, ##__VA_ARGS__)
+
+#define LOG_INTERNAL(level, fmt, ...)                                          \
+  do {                                                                         \
+    if (cubeb_log_get_level() >= level && cubeb_log_get_callback()) {          \
+      cubeb_log_internal(__FILENAME__, __LINE__, fmt, ##__VA_ARGS__);          \
+    }                                                                          \
+  } while (0)
+
+#define ALOG_INTERNAL(level, fmt, ...)                                         \
+  do {                                                                         \
+    if (cubeb_log_get_level() >= level && cubeb_log_get_callback()) {          \
+      cubeb_async_log(fmt, ##__VA_ARGS__);                                     \
+    }                                                                          \
+  } while (0)
+
+/* Asynchronous logging macros to log in real-time callbacks. */
+/* Should not be used on android due to the use of global/static variables. */
+#define ALOGV(msg, ...) ALOG_INTERNAL(CUBEB_LOG_VERBOSE, msg, ##__VA_ARGS__)
+#define ALOG(msg, ...) ALOG_INTERNAL(CUBEB_LOG_NORMAL, msg, ##__VA_ARGS__)
+
+#endif // CUBEB_LOG