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https://github.com/ZLMediaKit/ZLMediaKit.git
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754073918a
* 优化MultiMediaSourceMuxer头文件包含 * 将MediaSinkDelegate和Demux移到MediaSink中 * MediaSource头文件重构, 独立出PacketCache.h 精简Frame和Track的头文件 * Rtmp头文件重构 * Rtsp头文件重构 * webrtc头文件重构 * 规范.h头文件包含，并将其移到.cpp中: - 尽量不包含Common\config.h - Util\File.h - Rtsp/RtspPlayer.h - Rtmp/RtmpPlayer.h * 删除多余的Stamp.h和Base64包含
119 lines
4.1 KiB
C++
119 lines
4.1 KiB
C++
/**
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ISC License
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Copyright © 2015, Iñaki Baz Castillo <ibc@aliax.net>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef MS_UTILS_HPP
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#define MS_UTILS_HPP
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#if defined(_WIN32)
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#pragma comment (lib, "Ws2_32.lib")
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#else
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#include <arpa/inet.h>
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#endif // defined(_WIN32)
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#include <cinttypes>// PRIu64, etc
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#include <cstddef>// size_t
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#include <cstdint>// uint8_t, etc
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namespace Utils {
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class Byte {
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public:
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/**
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* Getters below get value in Host Byte Order.
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* Setters below set value in Network Byte Order.
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*/
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static uint8_t Get1Byte(const uint8_t *data, size_t i);
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static uint16_t Get2Bytes(const uint8_t *data, size_t i);
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static uint32_t Get3Bytes(const uint8_t *data, size_t i);
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static uint32_t Get4Bytes(const uint8_t *data, size_t i);
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static uint64_t Get8Bytes(const uint8_t *data, size_t i);
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static void Set1Byte(uint8_t *data, size_t i, uint8_t value);
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static void Set2Bytes(uint8_t *data, size_t i, uint16_t value);
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static void Set3Bytes(uint8_t *data, size_t i, uint32_t value);
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static void Set4Bytes(uint8_t *data, size_t i, uint32_t value);
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static void Set8Bytes(uint8_t *data, size_t i, uint64_t value);
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static uint16_t PadTo4Bytes(uint16_t size);
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static uint32_t PadTo4Bytes(uint32_t size);
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};
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/* Inline static methods. */
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inline uint8_t Byte::Get1Byte(const uint8_t *data, size_t i) { return data[i]; }
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inline uint16_t Byte::Get2Bytes(const uint8_t *data, size_t i) {
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return uint16_t{data[i + 1]} | uint16_t{data[i]} << 8;
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}
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inline uint32_t Byte::Get3Bytes(const uint8_t *data, size_t i) {
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return uint32_t{data[i + 2]} | uint32_t{data[i + 1]} << 8 | uint32_t{data[i]} << 16;
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}
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inline uint32_t Byte::Get4Bytes(const uint8_t *data, size_t i) {
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return uint32_t{data[i + 3]} | uint32_t{data[i + 2]} << 8 | uint32_t{data[i + 1]} << 16 |
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uint32_t{data[i]} << 24;
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}
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inline uint64_t Byte::Get8Bytes(const uint8_t *data, size_t i) {
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return uint64_t{Byte::Get4Bytes(data, i)} << 32 | Byte::Get4Bytes(data, i + 4);
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}
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inline void Byte::Set1Byte(uint8_t *data, size_t i, uint8_t value) { data[i] = value; }
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inline void Byte::Set2Bytes(uint8_t *data, size_t i, uint16_t value) {
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data[i + 1] = static_cast<uint8_t>(value);
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data[i] = static_cast<uint8_t>(value >> 8);
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}
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inline void Byte::Set3Bytes(uint8_t *data, size_t i, uint32_t value) {
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data[i + 2] = static_cast<uint8_t>(value);
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data[i + 1] = static_cast<uint8_t>(value >> 8);
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data[i] = static_cast<uint8_t>(value >> 16);
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}
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inline void Byte::Set4Bytes(uint8_t *data, size_t i, uint32_t value) {
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data[i + 3] = static_cast<uint8_t>(value);
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data[i + 2] = static_cast<uint8_t>(value >> 8);
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data[i + 1] = static_cast<uint8_t>(value >> 16);
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data[i] = static_cast<uint8_t>(value >> 24);
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}
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inline void Byte::Set8Bytes(uint8_t *data, size_t i, uint64_t value) {
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data[i + 7] = static_cast<uint8_t>(value);
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data[i + 6] = static_cast<uint8_t>(value >> 8);
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data[i + 5] = static_cast<uint8_t>(value >> 16);
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data[i + 4] = static_cast<uint8_t>(value >> 24);
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data[i + 3] = static_cast<uint8_t>(value >> 32);
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data[i + 2] = static_cast<uint8_t>(value >> 40);
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data[i + 1] = static_cast<uint8_t>(value >> 48);
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data[i] = static_cast<uint8_t>(value >> 56);
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}
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inline uint16_t Byte::PadTo4Bytes(uint16_t size) {
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// If size is not multiple of 32 bits then pad it.
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if (size & 0x03)
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return (size & 0xFFFC) + 4;
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else
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return size;
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}
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}// namespace Utils
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#endif
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