1 files changed, 84 insertions, 0 deletions
diff --git a/media/tools/media_bench/file_protocol.cc b/media/tools/media_bench/file_protocol.cc
new file mode 100644
index 0000000..f85fe33
--- /dev/null
+++ b/media/tools/media_bench/file_protocol.cc
@@ -0,0 +1,84 @@
+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "media/tools/media_bench/file_protocol.h"
+
+#include "build/build_config.h"
+
+#if defined(OS_WIN)
+#include <io.h>
+#else
+#include <unistd.h>
+#endif
+#include <fcntl.h>
+
+#include "base/compiler_specific.h"
+#include "base/file_util.h"
+#include "base/logging.h"
+#include "media/filters/ffmpeg_common.h"
+
+// warning C4996: 'open': The POSIX name for this item is deprecated.
+MSVC_PUSH_DISABLE_WARNING(4996)
+
+namespace {
+
+int GetHandle(URLContext *h) {
+  return static_cast<int>(reinterpret_cast<intptr_t>(h->priv_data));
+}
+
+// FFmpeg protocol interface.
+int OpenContext(URLContext* h, const char* filename, int flags) {
+  int access = O_RDONLY;
+  if (flags & URL_RDWR) {
+    access = O_CREAT | O_TRUNC | O_RDWR;
+  } else if (flags & URL_WRONLY) {
+    access = O_CREAT | O_TRUNC | O_WRONLY;
+  }
+#ifdef O_BINARY
+  access |= O_BINARY;
+#endif
+  int f = open(filename, access, 0666);
+  if (f == -1)
+    return AVERROR(ENOENT);
+  h->priv_data = reinterpret_cast<void*>(static_cast<intptr_t>(f));
+  h->is_streamed = false;
+  return 0;
+}
+
+int ReadContext(URLContext* h, unsigned char* buf, int size) {
+  return read(GetHandle(h), buf, size);
+}
+
+int WriteContext(URLContext* h, unsigned char* buf, int size) {
+  return write(GetHandle(h), buf, size);
+}
+
+offset_t SeekContext(URLContext* h, offset_t offset, int whence) {
+#if defined(OS_WIN)
+  return lseek(GetHandle(h), static_cast<long>(offset), whence);
+#else
+  return lseek(GetHandle(h), offset, whence);
+#endif
+}
+
+int CloseContext(URLContext* h) {
+  return close(GetHandle(h));
+}
+
+}  // namespace
+
+MSVC_POP_WARNING()
+
+URLProtocol kFFmpegFileProtocol = {
+  "file",
+  &OpenContext,
+  &ReadContext,
+  &WriteContext,
+  &SeekContext,
+  &CloseContext,
+  NULL,  // *next
+  NULL,  // url_read_pause
+  NULL,  // url_read_seek
+  &GetHandle
+};