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98952d7f0f
Bug: webrtc:11933 Change-Id: I32e59059ea6166b2fc089d9d19d3ab3829c2190e Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/228942 Commit-Queue: Björn Terelius <terelius@webrtc.org> Reviewed-by: Sebastian Jansson <srte@webrtc.org> Cr-Commit-Position: refs/heads/main@{#35071}
49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
/*
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* Copyright (c) 2020 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "logging/rtc_event_log/encoder/bit_writer.h"
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namespace webrtc {
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namespace {
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size_t BitsToBytes(size_t bits) {
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return (bits / 8) + (bits % 8 > 0 ? 1 : 0);
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}
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} // namespace
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void BitWriter::WriteBits(uint64_t val, size_t bit_count) {
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RTC_DCHECK(valid_);
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const bool success = bit_writer_.WriteBits(val, bit_count);
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RTC_DCHECK(success);
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written_bits_ += bit_count;
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}
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void BitWriter::WriteBits(absl::string_view input) {
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RTC_DCHECK(valid_);
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for (char c : input) {
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WriteBits(static_cast<unsigned char>(c), CHAR_BIT);
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}
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}
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// Returns everything that was written so far.
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// Nothing more may be written after this is called.
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std::string BitWriter::GetString() {
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RTC_DCHECK(valid_);
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valid_ = false;
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buffer_.resize(BitsToBytes(written_bits_));
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written_bits_ = 0;
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std::string result;
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std::swap(buffer_, result);
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return result;
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}
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} // namespace webrtc
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