Added error handling to discord RPC and made user agent consistent

src/discordrpc.c

@@ -6,6 +6,7 @@
  * Note: This provides server auth creds (encoded) directly to Discord, could use Spotify's API instead??
  */
 
+#include <inttypes.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -57,7 +58,7 @@ static void handleDiscordError(int errcode, const char* message)
     printf("\nDiscord: error (%d: %s)\n", errcode, message);
 }
 
-void discordrpc_init() {
+int discordrpc_init() {
     printf("[DiscordRPC] Initializing...\n");
     DiscordEventHandlers handlers;
     memset(&handlers, 0, sizeof(handlers));
@@ -67,8 +68,12 @@ void discordrpc_init() {
     Discord_Initialize(discordrpc_appid, &handlers, 1, NULL);
 
     // Fetch OS String for RPC (Heap-allocated)
-    // TODO: Check if failed
     discordrpc_osString = discordrpc_getOS();
+    if (discordrpc_osString == NULL) {
+        logger_log_error(__func__, "asprintf() or strdup() failed.");
+        return 1;
+    }
+    return 0;
 }
 
 void discordrpc_update(discordrpc_data** discordrpc_struct) {
@@ -104,8 +109,6 @@ void discordrpc_update(discordrpc_data** discordrpc_struct) {
 char* discordrpc_getOS() {
 #if defined(__linux__)
     // NOTE: Could have made a sysctl function, but this is literally only done here, not worth it
-    // TODO: This is ONLY linux compatible at this point
-
     FILE* fp_ostype = fopen("/proc/sys/kernel/ostype", "r");
     char buf_ostype[16];
     if (!fp_ostype) {
@@ -211,6 +214,8 @@ char* discordrpc_getOS() {
     }
     return osString;
 #else
+    // NOTE: This is not a critical error, just let the user know
+    logger_log_error(__func__, "Could not fetch OS details.");
     return strdup("on Unknown");
 #endif
 }

src/discordrpc.h

@@ -22,7 +22,7 @@ typedef struct {
 
 void discordrpc_struct_init(discordrpc_data** discordrpc_struct);
 void discordrpc_struct_deinit(discordrpc_data** discordrpc_struct);
-void discordrpc_init();
+int discordrpc_init();
 void discordrpc_update(discordrpc_data** discordrpc_struct);
 char* discordrpc_getOS();
 

src/main.c

@@ -17,13 +17,12 @@
 #include "player/player.h"
 #include "discordrpc.h"
 
+static int rc = 0;
 configHandler_config_t* configObj = NULL;
 int checkConfigFile();
 int validateConnection();
 
 int main(int argc, char** argv) {
-    int rc = 0;
-
     // Read config file
     rc = configHandler_Read(&configObj);
     if (rc != 0) {
@@ -61,7 +60,10 @@ int main(int argc, char** argv) {
     discordrpc_data* discordrpc = NULL;
     discordrpc_struct_init(&discordrpc);
     discordrpc->state = DISCORDRPC_STATE_IDLE;
-    discordrpc_init();
+    rc = discordrpc_init();
+    if (rc != 0) {
+        return 1;
+    }
     discordrpc_update(&discordrpc);
     discordrpc_struct_deinit(&discordrpc);
 

src/player/player.c

@@ -29,6 +29,10 @@ guint bus_watch_id;
 GMainLoop* loop;
 bool isPlaying = false;
 
+static void gst_playbin3_sourcesetup_callback(GstElement* playbin, GstElement* source, gpointer udata) {
+    g_object_set(G_OBJECT(source), "user-agent", "OSSP/1.0 (avery@hojuix.org)", NULL);
+}
+
 static gboolean gst_bus_call(GstBus* bus, GstMessage* message, gpointer data) {
     GMainLoop* loop = (GMainLoop*)data;
 
@@ -148,7 +152,6 @@ void* OSSPlayer_ThrdInit(void*) {
             discordrpc_update(&discordrpc);
             discordrpc_struct_deinit(&discordrpc);
 
-            printf("%s\n", coverart_url->formedUrl);
             opensubsonic_httpClient_URL_cleanup(&coverart_url);
 
             opensubsonic_getSong_struct_free(&songStruct);
@@ -235,13 +238,14 @@ int OSSPlayer_GstInit() {
     gst_object_unref(sink_pad);
     gst_object_unref(src_pad);
 
-    // TEST - Setup playbin
+    // Setup playbin3 (Configure audio plugins and set user agent)
     g_object_set(playbin, "audio-filter", filter_bin, NULL);
+    g_signal_connect (playbin, "source-setup", G_CALLBACK(gst_playbin3_sourcesetup_callback), NULL);
 
-    // 000
+    // Add playbin3 to the pipeline
     gst_bin_add(GST_BIN(pipeline), playbin);
 
-    // Initialize in-volume
+    // Initialize in-volume (Volume before the audio reaches the plugins)
     g_object_set(in_volume, "volume", 0.175, NULL);
 
     // Initialize equalizer
@@ -309,6 +313,13 @@ int OSSPlayer_GstInit() {
 
         g_object_set(equalizer, "enabled", true, NULL);
     }
+
+    // Initialize pitch
+
+
+
+
+    // Initialize reverb
 }
 
 int OSSPlayer_GstDeInit() {