1 files changed, 0 insertions, 132 deletions
diff --git a/media/libcubeb/src/cubeb_log.cpp b/media/libcubeb/src/cubeb_log.cpp
deleted file mode 100644
index ff72e0e87a..0000000000
--- a/media/libcubeb/src/cubeb_log.cpp
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * Copyright © 2016 Mozilla Foundation
- *
- * This program is made available under an ISC-style license.  See the
- * accompanying file LICENSE for details.
- */
-#define NOMINMAX
-
-#include "cubeb_log.h"
-#include "cubeb_ringbuffer.h"
-#include <cstdarg>
-#ifdef _WIN32
-#include <windows.h>
-#else
-#include <time.h>
-#endif
-
-cubeb_log_level g_cubeb_log_level;
-cubeb_log_callback g_cubeb_log_callback;
-
-/** The maximum size of a log message, after having been formatted. */
-const size_t CUBEB_LOG_MESSAGE_MAX_SIZE = 256;
-/** The maximum number of log messages that can be queued before dropping
- * messages. */
-const size_t CUBEB_LOG_MESSAGE_QUEUE_DEPTH = 40;
-/** Number of milliseconds to wait before dequeuing log messages. */
-#define CUBEB_LOG_BATCH_PRINT_INTERVAL_MS 10
-
-/**
- * This wraps an inline buffer, that represents a log message, that must be
- * null-terminated.
- * This class should not use system calls or other potentially blocking code.
- */
-class cubeb_log_message {
-public:
-  cubeb_log_message() { *storage = '\0'; }
-  cubeb_log_message(char const str[CUBEB_LOG_MESSAGE_MAX_SIZE])
-  {
-    size_t length = strlen(str);
-    /* paranoia against malformed message */
-    assert(length < CUBEB_LOG_MESSAGE_MAX_SIZE);
-    if (length > CUBEB_LOG_MESSAGE_MAX_SIZE - 1) {
-      return;
-    }
-    PodCopy(storage, str, length);
-    storage[length] = '\0';
-  }
-  char const * get() { return storage; }
-
-private:
-  char storage[CUBEB_LOG_MESSAGE_MAX_SIZE];
-};
-
-/** Lock-free asynchronous logger, made so that logging from a
- *  real-time audio callback does not block the audio thread. */
-class cubeb_async_logger {
-public:
-  /* This is thread-safe since C++11 */
-  static cubeb_async_logger & get()
-  {
-    static cubeb_async_logger instance;
-    return instance;
-  }
-  void push(char const str[CUBEB_LOG_MESSAGE_MAX_SIZE])
-  {
-    cubeb_log_message msg(str);
-    msg_queue.enqueue(msg);
-  }
-  void run()
-  {
-    std::thread([this]() {
-      while (true) {
-        cubeb_log_message msg;
-        while (msg_queue.dequeue(&msg, 1)) {
-          LOGV("%s", msg.get());
-        }
-#ifdef _WIN32
-        Sleep(CUBEB_LOG_BATCH_PRINT_INTERVAL_MS);
-#else
-        timespec sleep_duration = sleep_for;
-        timespec remainder;
-        do {
-          if (nanosleep(&sleep_duration, &remainder) == 0 || errno != EINTR) {
-            break;
-          }
-          sleep_duration = remainder;
-        } while (remainder.tv_sec || remainder.tv_nsec);
-#endif
-      }
-    }).detach();
-  }
-  // Tell the underlying queue the producer thread has changed, so it does not
-  // assert in debug. This should be called with the thread stopped.
-  void reset_producer_thread() { msg_queue.reset_thread_ids(); }
-
-private:
-#ifndef _WIN32
-  const struct timespec sleep_for = {
-      CUBEB_LOG_BATCH_PRINT_INTERVAL_MS / 1000,
-      (CUBEB_LOG_BATCH_PRINT_INTERVAL_MS % 1000) * 1000 * 1000};
-#endif
-  cubeb_async_logger() : msg_queue(CUBEB_LOG_MESSAGE_QUEUE_DEPTH) { run(); }
-  /** This is quite a big data structure, but is only instantiated if the
-   * asynchronous logger is used.*/
-  lock_free_queue<cubeb_log_message> msg_queue;
-};
-
-void
-cubeb_async_log(char const * fmt, ...)
-{
-  if (!g_cubeb_log_callback) {
-    return;
-  }
-  // This is going to copy a 256 bytes array around, which is fine.
-  // We don't want to allocate memory here, because this is made to
-  // be called from a real-time callback.
-  va_list args;
-  va_start(args, fmt);
-  char msg[CUBEB_LOG_MESSAGE_MAX_SIZE];
-  vsnprintf(msg, CUBEB_LOG_MESSAGE_MAX_SIZE, fmt, args);
-  cubeb_async_logger::get().push(msg);
-  va_end(args);
-}
-
-void
-cubeb_async_log_reset_threads()
-{
-  if (!g_cubeb_log_callback) {
-    return;
-  }
-  cubeb_async_logger::get().reset_producer_thread();
-}