From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- .../logging/rtc_event_log/encoder/bit_writer.cc | 49 ++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 third_party/libwebrtc/logging/rtc_event_log/encoder/bit_writer.cc (limited to 'third_party/libwebrtc/logging/rtc_event_log/encoder/bit_writer.cc') 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(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 -- cgit v1.2.3