8c745d18e0
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Builds out the full v1 scope: a vendored+patched openscreen subset for low-latency Cast Streaming (Mirroring receiver 0F5096E8) alongside the existing Cast V2/HLS and new DLNA/AVTransport casting paths, breadcastd's Idle/Casting state machine with a private IPC socket, the breadcast GTK4 popup as a thin IPC client, and bread.cast.*/bread.command.cast.* breadd integration (device discovery, start/stop, mirroring lifecycle events). Also adds bakery/systemd/Forgejo CI packaging. Validated end-to-end against a real Chromecast/Google TV: negotiated Cast Streaming session, live pipeline playback, and daemon+GUI click-to-cast/ stop through the actual popup.
66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
// Copyright 2026 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef UTIL_BIT_VECTOR_H_
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#define UTIL_BIT_VECTOR_H_
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#include <stddef.h>
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#include <stdint.h>
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#include <bit>
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#include <limits>
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#include <vector>
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#include "util/osp_logging.h"
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namespace openscreen {
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// A simple dynamic bit vector implementation using C++20 <bit> and std::vector.
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// This is used for tracking packet transmission flags in the Sender.
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class BitVector {
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public:
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enum Fill : bool { SET = true, CLEARED = false };
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BitVector() noexcept = default;
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BitVector(size_t size, Fill fill);
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~BitVector() = default;
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BitVector(BitVector&& other) noexcept = default;
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BitVector& operator=(BitVector&& other) noexcept = default;
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BitVector(const BitVector& other) = default;
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BitVector& operator=(const BitVector& other) = default;
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[[nodiscard]] size_t size() const noexcept { return size_; }
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void Resize(size_t size, Fill fill);
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void Set(size_t pos) {
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OSP_CHECK_LT(pos, size_);
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v_[pos / kBitsPerWord] |= (uint64_t{1} << (pos % kBitsPerWord));
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}
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void Clear(size_t pos) {
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OSP_CHECK_LT(pos, size_);
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v_[pos / kBitsPerWord] &= ~(uint64_t{1} << (pos % kBitsPerWord));
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}
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[[nodiscard]] bool IsSet(size_t pos) const {
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OSP_CHECK_LT(pos, size_);
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return (v_[pos / kBitsPerWord] >> (pos % kBitsPerWord)) & 1;
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}
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[[nodiscard]] size_t FindFirstSet() const;
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private:
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static constexpr size_t kBitsPerWord = std::numeric_limits<uint64_t>::digits;
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std::vector<uint64_t> v_;
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size_t size_ = 0;
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};
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} // namespace openscreen
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#endif // UTIL_BIT_VECTOR_H_
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