Add control_script to stream sources

New parameter "control_script", starting a script on stream start.
Parameters "--snapcast-port" and "--stream" are passed to the script

common/utils/string_utils.hpp

@@ -1,6 +1,6 @@
 /***
     This file is part of snapcast
-    Copyright (C) 2014-2020  Johannes Pohl
+    Copyright (C) 2014-2021  Johannes Pohl
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -16,8 +16,8 @@
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ***/
 
-#ifndef STRING_UTILS_H
-#define STRING_UTILS_H
+#ifndef STRING_UTILS_HPP
+#define STRING_UTILS_HPP
 
 #include <algorithm>
 #include <map>
@@ -172,6 +172,20 @@ static std::map<std::string, std::string> split_pairs(const std::string& s, char
 }
 
 
+static inline std::string& tolower(std::string& s)
+{
+    std::transform(s.begin(), s.end(), s.begin(), [](unsigned char c) { return static_cast<char>(std::tolower(c)); });
+    return s;
+}
+
+
+static inline std::string tolower_copy(const std::string& s)
+{
+    std::string str(s);
+    return tolower(str);
+}
+
+
 } // namespace string
 } // namespace utils
 

server/server.cpp

@@ -693,9 +693,8 @@ void Server::start()
     {
         controlServer_ = std::make_unique<ControlServer>(io_context_, settings_.tcp, settings_.http, this);
         streamServer_ = std::make_unique<StreamServer>(io_context_, settings_, this);
-        streamManager_ =
-            std::make_unique<StreamManager>(this, io_context_, settings_.stream.sampleFormat, settings_.stream.codec, settings_.stream.streamChunkMs);
-        //	throw SnapException("xxx");
+        streamManager_ = std::make_unique<StreamManager>(this, io_context_, settings_);
+
         // Add normal sources first
         for (const auto& sourceUri : settings_.stream.sources)
         {

server/streamreader/airplay_stream.cpp

@@ -47,8 +47,8 @@ string hex2str(const string& input)
  * Without HAS_EXPAT defined no parsing will occur.
  */
 
-AirplayStream::AirplayStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const StreamUri& uri)
-    : ProcessStream(pcmListener, ioc, uri), port_(5000), pipe_open_timer_(ioc)
+AirplayStream::AirplayStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const ServerSettings& server_settings, const StreamUri& uri)
+    : ProcessStream(pcmListener, ioc, server_settings, uri), port_(5000), pipe_open_timer_(ioc)
 {
     logStderr_ = true;
 

server/streamreader/airplay_stream.hpp

@@ -59,7 +59,7 @@ class AirplayStream : public ProcessStream
 {
 public:
     /// ctor. Encoded PCM data is passed to the PipeListener
-    AirplayStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const StreamUri& uri);
+    AirplayStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const ServerSettings& server_settings, const StreamUri& uri);
     ~AirplayStream() override;
 
 protected:

server/streamreader/alsa_stream.cpp

@@ -65,8 +65,8 @@ void wait(boost::asio::steady_timer& timer, const std::chrono::duration<Rep, Per
 } // namespace
 
 
-AlsaStream::AlsaStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const StreamUri& uri)
-    : PcmStream(pcmListener, ioc, uri), handle_(nullptr), read_timer_(ioc), silence_(0ms)
+AlsaStream::AlsaStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const ServerSettings& server_settings, const StreamUri& uri)
+    : PcmStream(pcmListener, ioc, server_settings, uri), handle_(nullptr), read_timer_(ioc), silence_(0ms)
 {
     device_ = uri_.getQuery("device", "hw:0");
     send_silence_ = (uri_.getQuery("send_silence", "false") == "true");

server/streamreader/alsa_stream.hpp

@@ -1,6 +1,6 @@
 /***
     This file is part of snapcast
-    Copyright (C) 2014-2020  Johannes Pohl
+    Copyright (C) 2014-2021  Johannes Pohl
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -37,7 +37,7 @@ class AlsaStream : public PcmStream
 {
 public:
     /// ctor. Encoded PCM data is passed to the PipeListener
-    AlsaStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const StreamUri& uri);
+    AlsaStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const ServerSettings& server_settings, const StreamUri& uri);
 
     void start() override;
     void stop() override;

server/streamreader/asio_stream.hpp

@@ -1,6 +1,6 @@
 /***
     This file is part of snapcast
-    Copyright (C) 2014-2020  Johannes Pohl
+    Copyright (C) 2014-2021  Johannes Pohl
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -33,7 +33,7 @@ class AsioStream : public PcmStream
 {
 public:
     /// ctor. Encoded PCM data is passed to the PipeListener
-    AsioStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const StreamUri& uri);
+    AsioStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const ServerSettings& server_settings, const StreamUri& uri);
 
     void start() override;
     void stop() override;
@@ -82,8 +82,8 @@ void AsioStream<ReadStream>::wait(Timer& timer, const std::chrono::duration<Rep,
 
 
 template <typename ReadStream>
-AsioStream<ReadStream>::AsioStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const StreamUri& uri)
-    : PcmStream(pcmListener, ioc, uri), read_timer_(ioc), state_timer_(ioc)
+AsioStream<ReadStream>::AsioStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const ServerSettings& server_settings, const StreamUri& uri)
+    : PcmStream(pcmListener, ioc, server_settings, uri), read_timer_(ioc), state_timer_(ioc)
 {
     chunk_ = std::make_unique<msg::PcmChunk>(sampleFormat_, chunk_ms_);
     LOG(DEBUG, "AsioStream") << "Chunk duration: " << chunk_->durationMs() << " ms, frames: " << chunk_->getFrameCount() << ", size: " << chunk_->payloadSize

server/streamreader/file_stream.cpp

@@ -1,6 +1,6 @@
 /***
     This file is part of snapcast
-    Copyright (C) 2014-2020  Johannes Pohl
+    Copyright (C) 2014-2021  Johannes Pohl
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -34,7 +34,8 @@ namespace streamreader
 static constexpr auto LOG_TAG = "FileStream";
 
 
-FileStream::FileStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const StreamUri& uri) : PosixStream(pcmListener, ioc, uri)
+FileStream::FileStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const ServerSettings& server_settings, const StreamUri& uri)
+    : PosixStream(pcmListener, ioc, server_settings, uri)
 {
     struct stat buffer;
     if (stat(uri_.path.c_str(), &buffer) != 0)

server/streamreader/file_stream.hpp

@@ -1,6 +1,6 @@
 /***
     This file is part of snapcast
-    Copyright (C) 2014-2020  Johannes Pohl
+    Copyright (C) 2014-2021  Johannes Pohl
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -34,7 +34,7 @@ class FileStream : public PosixStream
 {
 public:
     /// ctor. Encoded PCM data is passed to the PipeListener
-    FileStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const StreamUri& uri);
+    FileStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const ServerSettings& server_settings, const StreamUri& uri);
 
 protected:
     void do_connect() override;

server/streamreader/librespot_stream.cpp

@@ -32,7 +32,8 @@ namespace streamreader
 static constexpr auto LOG_TAG = "LibrespotStream";
 
 
-LibrespotStream::LibrespotStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const StreamUri& uri) : ProcessStream(pcmListener, ioc, uri)
+LibrespotStream::LibrespotStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const ServerSettings& server_settings, const StreamUri& uri)
+    : ProcessStream(pcmListener, ioc, server_settings, uri)
 {
     wd_timeout_sec_ = cpt::stoul(uri_.getQuery("wd_timeout", "7800")); ///< 130min
 

server/streamreader/librespot_stream.hpp

@@ -1,6 +1,6 @@
 /***
     This file is part of snapcast
-    Copyright (C) 2014-2020  Johannes Pohl
+    Copyright (C) 2014-2021  Johannes Pohl
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -37,7 +37,7 @@ class LibrespotStream : public ProcessStream
 {
 public:
     /// ctor. Encoded PCM data is passed to the PipeListener
-    LibrespotStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const StreamUri& uri);
+    LibrespotStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const ServerSettings& server_settings, const StreamUri& uri);
 
 protected:
     bool killall_;

server/streamreader/meta_stream.cpp

@@ -32,8 +32,9 @@ static constexpr auto LOG_TAG = "MetaStream";
 // static constexpr auto kResyncTolerance = 50ms;
 
 
-MetaStream::MetaStream(PcmListener* pcmListener, const std::vector<std::shared_ptr<PcmStream>>& streams, boost::asio::io_context& ioc, const StreamUri& uri)
-    : PcmStream(pcmListener, ioc, uri), first_read_(true)
+MetaStream::MetaStream(PcmListener* pcmListener, const std::vector<std::shared_ptr<PcmStream>>& streams, boost::asio::io_context& ioc,
+                       const ServerSettings& server_settings, const StreamUri& uri)
+    : PcmStream(pcmListener, ioc, server_settings, uri), first_read_(true)
 {
     auto path_components = utils::string::split(uri.path, '/');
     for (const auto& component : path_components)

server/streamreader/meta_stream.hpp

@@ -37,7 +37,8 @@ class MetaStream : public PcmStream, public PcmListener
 {
 public:
     /// ctor. Encoded PCM data is passed to the PcmListener
-    MetaStream(PcmListener* pcmListener, const std::vector<std::shared_ptr<PcmStream>>& streams, boost::asio::io_context& ioc, const StreamUri& uri);
+    MetaStream(PcmListener* pcmListener, const std::vector<std::shared_ptr<PcmStream>>& streams, boost::asio::io_context& ioc,
+               const ServerSettings& server_settings, const StreamUri& uri);
     virtual ~MetaStream();
 
     void start() override;

server/streamreader/pcm_stream.cpp

@@ -23,6 +23,7 @@
 #include "common/aixlog.hpp"
 #include "common/snap_exception.hpp"
 #include "common/str_compat.hpp"
+#include "common/utils/string_utils.hpp"
 #include "encoder/encoder_factory.hpp"
 #include "pcm_stream.hpp"
 
@@ -33,10 +34,118 @@ namespace streamreader
 {
 
 static constexpr auto LOG_TAG = "PcmStream";
+static constexpr auto SCRIPT_LOG_TAG = "Script";
 
 
-PcmStream::PcmStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const StreamUri& uri)
-    : active_(false), pcmListeners_{pcmListener}, uri_(uri), chunk_ms_(20), state_(ReaderState::kIdle), ioc_(ioc)
+CtrlScript::CtrlScript(boost::asio::io_context& ioc, const std::string& script) : ioc_(ioc), script_(script)
+{
+}
+
+
+CtrlScript::~CtrlScript()
+{
+    stop();
+}
+
+
+void CtrlScript::start(const std::string& stream_id, const ServerSettings& server_setttings)
+{
+    pipe_stderr_ = bp::pipe();
+    pipe_stdout_ = bp::pipe();
+    stringstream params;
+    params << " \"--stream=" + stream_id + "\"";
+    if (server_setttings.http.enabled)
+        params << " --snapcast-port=" << server_setttings.http.port;
+    process_ = bp::child(script_ + params.str(), bp::std_out > pipe_stdout_, bp::std_err > pipe_stderr_);
+    stream_stdout_ = make_unique<boost::asio::posix::stream_descriptor>(ioc_, pipe_stdout_.native_source());
+    stream_stderr_ = make_unique<boost::asio::posix::stream_descriptor>(ioc_, pipe_stderr_.native_source());
+    stderrReadLine();
+    stdoutReadLine();
+}
+
+
+void CtrlScript::logScript(const std::string& source, std::string line)
+{
+    if (line.empty())
+        return;
+
+    std::ignore = source;
+    if (line.back() == '\r')
+        line.resize(line.size() - 1);
+    auto tmp = utils::string::tolower_copy(line);
+    AixLog::Severity severity = AixLog::Severity::info;
+    if (tmp.find(" trace") != string::npos)
+        severity = AixLog::Severity::trace;
+    else if (tmp.find(" debug") != string::npos)
+        severity = AixLog::Severity::debug;
+    else if (tmp.find(" info") != string::npos)
+        severity = AixLog::Severity::info;
+    else if (tmp.find(" warning") != string::npos)
+        severity = AixLog::Severity::warning;
+    else if (tmp.find(" error") != string::npos)
+        severity = AixLog::Severity::error;
+    else if ((tmp.find(" fatal") != string::npos) || (tmp.find(" critical") != string::npos))
+        severity = AixLog::Severity::fatal;
+    LOG(severity, SCRIPT_LOG_TAG) << line << "\n";
+}
+
+
+void CtrlScript::stderrReadLine()
+{
+    const std::string delimiter = "\n";
+    boost::asio::async_read_until(
+        *stream_stderr_, streambuf_stderr_, delimiter,
+        [this, delimiter](const std::error_code& ec, std::size_t bytes_transferred)
+        {
+            if (ec)
+            {
+                LOG(ERROR, LOG_TAG) << "Error while reading from stderr: " << ec.message() << "\n";
+                return;
+            }
+
+            // Extract up to the first delimiter.
+            std::string line{buffers_begin(streambuf_stderr_.data()), buffers_begin(streambuf_stderr_.data()) + bytes_transferred - delimiter.length()};
+            logScript("stderr", std::move(line));
+            streambuf_stderr_.consume(bytes_transferred);
+            stderrReadLine();
+        });
+}
+
+
+void CtrlScript::stdoutReadLine()
+{
+    const std::string delimiter = "\n";
+    boost::asio::async_read_until(
+        *stream_stdout_, streambuf_stdout_, delimiter,
+        [this, delimiter](const std::error_code& ec, std::size_t bytes_transferred)
+        {
+            if (ec)
+            {
+                LOG(ERROR, LOG_TAG) << "Error while reading from stdout: " << ec.message() << "\n";
+                return;
+            }
+
+            // Extract up to the first delimiter.
+            std::string line{buffers_begin(streambuf_stdout_.data()), buffers_begin(streambuf_stdout_.data()) + bytes_transferred - delimiter.length()};
+            logScript("stdout", std::move(line));
+            streambuf_stdout_.consume(bytes_transferred);
+            stdoutReadLine();
+        });
+}
+
+
+
+void CtrlScript::stop()
+{
+    if (process_.running())
+    {
+        ::kill(-process_.native_handle(), SIGINT);
+    }
+}
+
+
+PcmStream::PcmStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const ServerSettings& server_settings, const StreamUri& uri)
+    : active_(false), pcmListeners_{pcmListener}, uri_(uri), chunk_ms_(20), state_(ReaderState::kIdle), ioc_(ioc), server_settings_(server_settings)
 {
     encoder::EncoderFactory encoderFactory;
     if (uri_.query.find(kUriCodec) == uri_.query.end())
@@ -52,6 +161,9 @@ PcmStream::PcmStream(PcmListener* pcmListener, boost::asio::io_context& ioc, con
     sampleFormat_ = SampleFormat(uri_.query[kUriSampleFormat]);
     LOG(INFO, LOG_TAG) << "PcmStream: " << name_ << ", sampleFormat: " << sampleFormat_.toString() << "\n";
 
+    if (uri_.query.find(kControlScript) != uri_.query.end())
+        ctrl_script_ = std::make_unique<CtrlScript>(ioc, uri_.query[kControlScript]);
+
     if (uri_.query.find(kUriChunkMs) != uri_.query.end())
         chunk_ms_ = cpt::stoul(uri_.query[kUriChunkMs]);
 
@@ -108,6 +220,9 @@ void PcmStream::start()
     encoder_->init([this](const encoder::Encoder& encoder, std::shared_ptr<msg::PcmChunk> chunk, double duration) { chunkEncoded(encoder, chunk, duration); },
                    sampleFormat_);
     active_ = true;
+
+    if (ctrl_script_)
+        ctrl_script_->start(getId(), server_settings_);
 }
 
 
@@ -184,18 +299,10 @@ void PcmStream::resync(const std::chrono::nanoseconds& duration)
 
 json PcmStream::toJson() const
 {
-    string state("unknown");
-    if (state_ == ReaderState::kIdle)
-        state = "idle";
-    else if (state_ == ReaderState::kPlaying)
-        state = "playing";
-    else if (state_ == ReaderState::kDisabled)
-        state = "disabled";
-
     json j = {
         {"uri", uri_.toJson()},
         {"id", getId()},
-        {"status", state},
+        {"status", to_string(state_)},
     };
 
     if (meta_)

server/streamreader/pcm_stream.hpp

@@ -1,6 +1,6 @@
 /***
     This file is part of snapcast
-    Copyright (C) 2014-2020  Johannes Pohl
+    Copyright (C) 2014-2021  Johannes Pohl
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -19,18 +19,32 @@
 #ifndef PCM_STREAM_HPP
 #define PCM_STREAM_HPP
 
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-result"
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+#pragma GCC diagnostic ignored "-Wmissing-braces"
+#include <boost/process.hpp>
+#pragma GCC diagnostic pop
+#include <atomic>
+#include <condition_variable>
+#include <map>
+#include <string>
+#include <vector>
+
+#include <boost/asio/io_context.hpp>
+#include <boost/asio/read_until.hpp>
+#include <boost/optional.hpp>
+
 #include "common/json.hpp"
 #include "common/sample_format.hpp"
 #include "encoder/encoder.hpp"
 #include "message/codec_header.hpp"
 #include "message/stream_tags.hpp"
+#include "server_settings.hpp"
 #include "stream_uri.hpp"
-#include <atomic>
-#include <boost/asio/io_context.hpp>
-#include <condition_variable>
-#include <map>
-#include <string>
-#include <vector>
+
+
+namespace bp = boost::process;
 
 
 namespace streamreader
@@ -46,30 +60,37 @@ enum class ReaderState
     kDisabled = 3
 };
 
-static std::ostream& operator<<(std::ostream& os, const ReaderState& reader_state)
+
+static std::string to_string(const ReaderState& reader_state)
 {
     switch (reader_state)
     {
         case ReaderState::kIdle:
-            os << "idle";
-            break;
+            return "idle";
         case ReaderState::kPlaying:
-            os << "playing";
-            break;
+            return "playing";
         case ReaderState::kDisabled:
-            os << "disabled";
-            break;
+            return "disabled";
         case ReaderState::kUnknown:
         default:
-            os << "unknown";
+            return "unknown";
     }
+}
+
+
+static std::ostream& operator<<(std::ostream& os, const ReaderState& reader_state)
+{
+    os << to_string(reader_state);
     return os;
 }
 
+
+
 static constexpr auto kUriCodec = "codec";
 static constexpr auto kUriName = "name";
 static constexpr auto kUriSampleFormat = "sampleformat";
 static constexpr auto kUriChunkMs = "chunk_ms";
+static constexpr auto kControlScript = "controlscript";
 
 
 /// Callback interface for users of PcmStream
@@ -87,6 +108,33 @@ public:
 };
 
 
+class CtrlScript
+{
+public:
+    CtrlScript(boost::asio::io_context& ioc, const std::string& script);
+    virtual ~CtrlScript();
+
+    void start(const std::string& stream_id, const ServerSettings& server_setttings);
+    void stop();
+
+private:
+    void stderrReadLine();
+    void stdoutReadLine();
+    void logScript(const std::string& source, std::string line);
+
+    bp::child process_;
+    bp::pipe pipe_stdout_;
+    bp::pipe pipe_stderr_;
+    std::unique_ptr<boost::asio::posix::stream_descriptor> stream_stdout_;
+    std::unique_ptr<boost::asio::posix::stream_descriptor> stream_stderr_;
+    boost::asio::streambuf streambuf_stdout_;
+    boost::asio::streambuf streambuf_stderr_;
+
+    boost::asio::io_context& ioc_;
+    std::string script_;
+};
+
+
 /// Reads and decodes PCM data
 /**
  * Reads PCM and passes the data to an encoder.
@@ -97,7 +145,7 @@ class PcmStream
 {
 public:
     /// ctor. Encoded PCM data is passed to the PcmListener
-    PcmStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const StreamUri& uri);
+    PcmStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const ServerSettings& server_settings, const StreamUri& uri);
     virtual ~PcmStream();
 
     virtual void start();
@@ -137,6 +185,8 @@ protected:
     ReaderState state_;
     std::shared_ptr<msg::StreamTags> meta_;
     boost::asio::io_context& ioc_;
+    ServerSettings server_settings_;
+    std::unique_ptr<CtrlScript> ctrl_script_;
 };
 
 } // namespace streamreader

server/streamreader/pipe_stream.cpp

@@ -36,7 +36,8 @@ namespace streamreader
 static constexpr auto LOG_TAG = "PipeStream";
 
 
-PipeStream::PipeStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const StreamUri& uri) : PosixStream(pcmListener, ioc, uri)
+PipeStream::PipeStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const ServerSettings& server_settings, const StreamUri& uri)
+    : PosixStream(pcmListener, ioc, server_settings, uri)
 {
     umask(0);
     string mode = uri_.getQuery("mode", "create");

server/streamreader/pipe_stream.hpp

@@ -1,6 +1,6 @@
 /***
     This file is part of snapcast
-    Copyright (C) 2014-2020  Johannes Pohl
+    Copyright (C) 2014-2021  Johannes Pohl
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -37,7 +37,7 @@ class PipeStream : public PosixStream
 {
 public:
     /// ctor. Encoded PCM data is passed to the PipeListener
-    PipeStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const StreamUri& uri);
+    PipeStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const ServerSettings& server_settings, const StreamUri& uri);
 
 protected:
     void do_connect() override;

server/streamreader/posix_stream.cpp

@@ -1,6 +1,6 @@
 /***
     This file is part of snapcast
-    Copyright (C) 2014-2020  Johannes Pohl
+    Copyright (C) 2014-2021  Johannes Pohl
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -37,7 +37,8 @@ namespace streamreader
 static constexpr auto LOG_TAG = "PosixStream";
 static constexpr auto kResyncTolerance = 50ms;
 
-PosixStream::PosixStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const StreamUri& uri) : AsioStream<stream_descriptor>(pcmListener, ioc, uri)
+PosixStream::PosixStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const ServerSettings& server_settings, const StreamUri& uri)
+    : AsioStream<stream_descriptor>(pcmListener, ioc, server_settings, uri)
 {
     if (uri_.query.find("dryout_ms") != uri_.query.end())
         dryout_ms_ = cpt::stoul(uri_.query["dryout_ms"]);

server/streamreader/posix_stream.hpp

@@ -1,6 +1,6 @@
 /***
     This file is part of snapcast
-    Copyright (C) 2014-2020  Johannes Pohl
+    Copyright (C) 2014-2021  Johannes Pohl
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -37,7 +37,7 @@ class PosixStream : public AsioStream<stream_descriptor>
 {
 public:
     /// ctor. Encoded PCM data is passed to the PipeListener
-    PosixStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const StreamUri& uri);
+    PosixStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const ServerSettings& server_settings, const StreamUri& uri);
 
 protected:
     void connect() override;

server/streamreader/process_stream.cpp

@@ -35,7 +35,8 @@ namespace streamreader
 static constexpr auto LOG_TAG = "ProcessStream";
 
 
-ProcessStream::ProcessStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const StreamUri& uri) : PosixStream(pcmListener, ioc, uri)
+ProcessStream::ProcessStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const ServerSettings& server_settings, const StreamUri& uri)
+    : PosixStream(pcmListener, ioc, server_settings, uri)
 {
     params_ = uri_.getQuery("params");
     wd_timeout_sec_ = cpt::stoul(uri_.getQuery("wd_timeout", "0"));

server/streamreader/process_stream.hpp

@@ -1,6 +1,6 @@
 /***
     This file is part of snapcast
-    Copyright (C) 2014-2020  Johannes Pohl
+    Copyright (C) 2014-2021  Johannes Pohl
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -19,12 +19,6 @@
 #ifndef PROCESS_STREAM_HPP
 #define PROCESS_STREAM_HPP
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wunused-result"
-#pragma GCC diagnostic ignored "-Wunused-parameter"
-#pragma GCC diagnostic ignored "-Wmissing-braces"
-#include <boost/process.hpp>
-#pragma GCC diagnostic pop
 #include <memory>
 #include <string>
 #include <vector>
@@ -49,7 +43,7 @@ class ProcessStream : public PosixStream, public WatchdogListener
 {
 public:
     /// ctor. Encoded PCM data is passed to the PipeListener
-    ProcessStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const StreamUri& uri);
+    ProcessStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const ServerSettings& server_settings, const StreamUri& uri);
     ~ProcessStream() override = default;
 
 protected:

server/streamreader/stream_manager.cpp

@@ -38,9 +38,9 @@ using namespace std;
 namespace streamreader
 {
 
-StreamManager::StreamManager(PcmListener* pcmListener, boost::asio::io_context& ioc, const std::string& defaultSampleFormat, const std::string& defaultCodec,
-                             size_t defaultChunkBufferMs)
-    : pcmListener_(pcmListener), sampleFormat_(defaultSampleFormat), codec_(defaultCodec), chunkBufferMs_(defaultChunkBufferMs), ioc_(ioc)
+StreamManager::StreamManager(PcmListener* pcmListener, boost::asio::io_context& ioc, const ServerSettings& settings)
+    // const std::string& defaultSampleFormat, const std::string& defaultCodec, size_t defaultChunkBufferMs)
+    : pcmListener_(pcmListener), settings_(settings), ioc_(ioc)
 {
 }
 
@@ -55,13 +55,13 @@ PcmStreamPtr StreamManager::addStream(const std::string& uri)
 PcmStreamPtr StreamManager::addStream(StreamUri& streamUri)
 {
     if (streamUri.query.find(kUriSampleFormat) == streamUri.query.end())
-        streamUri.query[kUriSampleFormat] = sampleFormat_;
+        streamUri.query[kUriSampleFormat] = settings_.stream.sampleFormat;
 
     if (streamUri.query.find(kUriCodec) == streamUri.query.end())
-        streamUri.query[kUriCodec] = codec_;
+        streamUri.query[kUriCodec] = settings_.stream.codec;
 
     if (streamUri.query.find(kUriChunkMs) == streamUri.query.end())
-        streamUri.query[kUriChunkMs] = cpt::to_string(chunkBufferMs_);
+        streamUri.query[kUriChunkMs] = cpt::to_string(settings_.stream.streamChunkMs);
 
     //	LOG(DEBUG) << "\nURI: " << streamUri.uri << "\nscheme: " << streamUri.scheme << "\nhost: "
     //		<< streamUri.host << "\npath: " << streamUri.path << "\nfragment: " << streamUri.fragment << "\n";
@@ -72,20 +72,20 @@ PcmStreamPtr StreamManager::addStream(StreamUri& streamUri)
 
     if (streamUri.scheme == "pipe")
     {
-        stream = make_shared<PipeStream>(pcmListener_, ioc_, streamUri);
+        stream = make_shared<PipeStream>(pcmListener_, ioc_, settings_, streamUri);
     }
     else if (streamUri.scheme == "file")
     {
-        stream = make_shared<FileStream>(pcmListener_, ioc_, streamUri);
+        stream = make_shared<FileStream>(pcmListener_, ioc_, settings_, streamUri);
     }
     else if (streamUri.scheme == "process")
     {
-        stream = make_shared<ProcessStream>(pcmListener_, ioc_, streamUri);
+        stream = make_shared<ProcessStream>(pcmListener_, ioc_, settings_, streamUri);
     }
 #ifdef HAS_ALSA
     else if (streamUri.scheme == "alsa")
     {
-        stream = make_shared<AlsaStream>(pcmListener_, ioc_, streamUri);
+        stream = make_shared<AlsaStream>(pcmListener_, ioc_, settings_, streamUri);
     }
 #endif
     else if ((streamUri.scheme == "spotify") || (streamUri.scheme == "librespot"))
@@ -94,7 +94,7 @@ PcmStreamPtr StreamManager::addStream(StreamUri& streamUri)
         // that all constructors of all parent classes also use the overwritten sample
         // format.
         streamUri.query[kUriSampleFormat] = "44100:16:2";
-        stream = make_shared<LibrespotStream>(pcmListener_, ioc_, streamUri);
+        stream = make_shared<LibrespotStream>(pcmListener_, ioc_, settings_, streamUri);
     }
     else if (streamUri.scheme == "airplay")
     {
@@ -102,15 +102,15 @@ PcmStreamPtr StreamManager::addStream(StreamUri& streamUri)
         // that all constructors of all parent classes also use the overwritten sample
         // format.
         streamUri.query[kUriSampleFormat] = "44100:16:2";
-        stream = make_shared<AirplayStream>(pcmListener_, ioc_, streamUri);
+        stream = make_shared<AirplayStream>(pcmListener_, ioc_, settings_, streamUri);
     }
     else if (streamUri.scheme == "tcp")
     {
-        stream = make_shared<TcpStream>(pcmListener_, ioc_, streamUri);
+        stream = make_shared<TcpStream>(pcmListener_, ioc_, settings_, streamUri);
     }
     else if (streamUri.scheme == "meta")
     {
-        stream = make_shared<MetaStream>(pcmListener_, streams_, ioc_, streamUri);
+        stream = make_shared<MetaStream>(pcmListener_, streams_, ioc_, settings_, streamUri);
     }
     else
     {

server/streamreader/stream_manager.hpp

@@ -1,6 +1,6 @@
 /***
     This file is part of snapcast
-    Copyright (C) 2014-2020  Johannes Pohl
+    Copyright (C) 2014-2021  Johannes Pohl
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -20,6 +20,8 @@
 #define STREAM_MANAGER_HPP
 
 #include "pcm_stream.hpp"
+#include "server_settings.hpp"
+
 #include <boost/asio/io_context.hpp>
 #include <memory>
 #include <string>
@@ -33,8 +35,7 @@ using PcmStreamPtr = std::shared_ptr<PcmStream>;
 class StreamManager
 {
 public:
-    StreamManager(PcmListener* pcmListener, boost::asio::io_context& ioc, const std::string& defaultSampleFormat, const std::string& defaultCodec,
-                  size_t defaultChunkBufferMs = 20);
+    StreamManager(PcmListener* pcmListener, boost::asio::io_context& ioc, const ServerSettings& settings);
 
     PcmStreamPtr addStream(const std::string& uri);
     PcmStreamPtr addStream(StreamUri& streamUri);
@@ -49,9 +50,7 @@ public:
 private:
     std::vector<PcmStreamPtr> streams_;
     PcmListener* pcmListener_;
-    std::string sampleFormat_;
-    std::string codec_;
-    size_t chunkBufferMs_;
+    ServerSettings settings_;
     boost::asio::io_context& ioc_;
 };
 

server/streamreader/tcp_stream.cpp

@@ -1,6 +1,6 @@
 /***
     This file is part of snapcast
-    Copyright (C) 2014-2020  Johannes Pohl
+    Copyright (C) 2014-2021  Johannes Pohl
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -37,8 +37,8 @@ namespace streamreader
 
 static constexpr auto LOG_TAG = "TcpStream";
 
-TcpStream::TcpStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const StreamUri& uri)
-    : AsioStream<tcp::socket>(pcmListener, ioc, uri), reconnect_timer_(ioc)
+TcpStream::TcpStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const ServerSettings& server_settings, const StreamUri& uri)
+    : AsioStream<tcp::socket>(pcmListener, ioc, server_settings, uri), reconnect_timer_(ioc)
 {
     host_ = uri_.host;
     auto host_port = utils::string::split(host_, ':');

server/streamreader/tcp_stream.hpp

@@ -1,6 +1,6 @@
 /***
     This file is part of snapcast
-    Copyright (C) 2014-2020  Johannes Pohl
+    Copyright (C) 2014-2021  Johannes Pohl
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -36,7 +36,7 @@ class TcpStream : public AsioStream<tcp::socket>
 {
 public:
     /// ctor. Encoded PCM data is passed to the PipeListener
-    TcpStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const StreamUri& uri);
+    TcpStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const ServerSettings& server_settings, const StreamUri& uri);
 
 protected:
     void do_connect() override;