Fix writing "PCM device not found" for file player

client/player/file_player.cpp

@@ -33,6 +33,19 @@ namespace player
 static constexpr auto LOG_TAG = "FilePlayer";
 static constexpr auto kDefaultBuffer = 50ms;
 
+static constexpr auto kDescription = "Raw PCM file output";
+
+std::vector<PcmDevice> FilePlayer::pcm_list(const std::string& parameter)
+{
+    auto params = utils::string::split_pairs(parameter, ',', '=');
+    string filename;
+    if (params.find("filename") != params.end())
+        filename = params["filename"];
+    if (filename.empty())
+        filename = "stdout";
+    return {PcmDevice{0, filename, kDescription}};
+}
+
 
 FilePlayer::FilePlayer(boost::asio::io_context& io_context, const ClientSettings::Player& settings, std::shared_ptr<Stream> stream)
     : Player(io_context, settings, stream), timer_(io_context), file_(nullptr)

client/player/file_player.hpp

@@ -40,6 +40,9 @@ public:
     void start() override;
     void stop() override;
 
+    /// List the dummy file PCM device
+    static std::vector<PcmDevice> pcm_list(const std::string& parameter);
+
 protected:
     void requestAudio();
     void loop();

client/snapclient.cpp

@@ -59,6 +59,8 @@ static constexpr auto LOG_TAG = "Snapclient";
 
 PcmDevice getPcmDevice(const std::string& player, const std::string& parameter, const std::string& soundcard)
 {
+    LOG(DEBUG, LOG_TAG) << "Trying to get PCM device for player: " << player << ", parameter: "
+                        << ", card: " << soundcard << "\n";
 #if defined(HAS_ALSA) || defined(HAS_PULSE) || defined(HAS_WASAPI)
     vector<PcmDevice> pcm_devices;
 #if defined(HAS_ALSA)
@@ -73,6 +75,8 @@ PcmDevice getPcmDevice(const std::string& player, const std::string& parameter,
     if (player == player::WASAPI)
         pcm_devices = WASAPIPlayer::pcm_list();
 #endif
+    if (player == player::FILE)
+        return FilePlayer::pcm_list(parameter).front();
     try
     {
         int soundcardIdx = cpt::stoi(soundcard);
@@ -386,8 +390,8 @@ int main(int argc, char** argv)
 #if defined(HAS_ALSA)
         if (settings.player.pcm_device.idx == -1)
         {
-            cout << "PCM device \"" << pcm_device << "\" not found\n";
+            LOG(ERROR, LOG_TAG) << "PCM device \"" << pcm_device << "\" not found\n";
-            //			exit(EXIT_FAILURE);
+            // exit(EXIT_FAILURE);
         }
 #endif