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2308414bcc
libdatachannel is now built with MSVC instead of MinGW so we are able to use C++ API instead. The C++ is preferred by upstream and what the project is written in. The C API provides a subset of features and has a performance penalty.
91 lines
2.1 KiB
C++
91 lines
2.1 KiB
C++
#pragma once
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#include <obs.h>
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#include <string>
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#include <random>
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#include <sstream>
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#define do_log(level, format, ...) \
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blog(level, "[obs-webrtc] [whip_output: '%s'] " format, \
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obs_output_get_name(output), ##__VA_ARGS__)
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static uint32_t generate_random_u32()
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{
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std::random_device rd;
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std::mt19937 gen(rd());
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std::uniform_int_distribution<uint32_t> dist(1, (UINT32_MAX - 1));
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return dist(gen);
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}
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static std::string trim_string(const std::string &source)
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{
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std::string ret(source);
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ret.erase(0, ret.find_first_not_of(" \n\r\t"));
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ret.erase(ret.find_last_not_of(" \n\r\t") + 1);
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return ret;
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}
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static size_t curl_writefunction(char *data, size_t size, size_t nmemb,
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void *priv_data)
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{
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auto read_buffer = static_cast<std::string *>(priv_data);
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size_t real_size = size * nmemb;
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read_buffer->append(data, real_size);
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return real_size;
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}
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#define LOCATION_HEADER_LENGTH 10
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static size_t curl_header_location_function(char *data, size_t size,
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size_t nmemb, void *priv_data)
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{
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auto header_buffer = static_cast<std::vector<std::string> *>(priv_data);
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size_t real_size = size * nmemb;
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if (real_size < LOCATION_HEADER_LENGTH)
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return real_size;
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if (!astrcmpi_n(data, "location: ", LOCATION_HEADER_LENGTH)) {
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char *val = data + LOCATION_HEADER_LENGTH;
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auto header_temp =
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std::string(val, real_size - LOCATION_HEADER_LENGTH);
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header_temp = trim_string(header_temp);
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header_buffer->push_back(header_temp);
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}
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return real_size;
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}
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static inline std::string generate_user_agent()
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{
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#ifdef _WIN64
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#define OS_NAME "Windows x86_64"
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#elif __APPLE__
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#define OS_NAME "Mac OS X"
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#elif __OpenBSD__
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#define OS_NAME "OpenBSD"
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#elif __FreeBSD__
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#define OS_NAME "FreeBSD"
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#elif __linux__ && __LP64__
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#define OS_NAME "Linux x86_64"
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#else
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#define OS_NAME "Linux"
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#endif
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// Build the user-agent string
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std::stringstream ua;
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// User agent header prefix
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ua << "User-Agent: Mozilla/5.0 ";
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// OBS version info
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ua << "(OBS-Studio/" << obs_get_version_string() << "; ";
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// Operating system version info
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ua << OS_NAME << "; " << obs_get_locale() << ")";
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return ua.str();
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}
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