Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 49 insertions, 0 deletions

diff --git a/third_party/libwebrtc/logging/rtc_event_log/encoder/bit_writer.cc b/third_party/libwebrtc/logging/rtc_event_log/encoder/bit_writer.cc
new file mode 100644
index 0000000000..e8748d3db3
--- /dev/null
+++ b/third_party/libwebrtc/logging/rtc_event_log/encoder/bit_writer.cc
@@ -0,0 +1,49 @@
+/*
+ *  Copyright (c) 2020 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "logging/rtc_event_log/encoder/bit_writer.h"
+
+namespace webrtc {
+
+namespace {
+size_t BitsToBytes(size_t bits) {
+  return (bits / 8) + (bits % 8 > 0 ? 1 : 0);
+}
+}  // namespace
+
+void BitWriter::WriteBits(uint64_t val, size_t bit_count) {
+  RTC_DCHECK(valid_);
+  const bool success = bit_writer_.WriteBits(val, bit_count);
+  RTC_DCHECK(success);
+  written_bits_ += bit_count;
+}
+
+void BitWriter::WriteBits(absl::string_view input) {
+  RTC_DCHECK(valid_);
+  for (char c : input) {
+    WriteBits(static_cast<unsigned char>(c), CHAR_BIT);
+  }
+}
+
+// Returns everything that was written so far.
+// Nothing more may be written after this is called.
+std::string BitWriter::GetString() {
+  RTC_DCHECK(valid_);
+  valid_ = false;
+
+  buffer_.resize(BitsToBytes(written_bits_));
+  written_bits_ = 0;
+
+  std::string result;
+  std::swap(buffer_, result);
+  return result;
+}
+
+}  // namespace webrtc