initialze gstreamer once only, check for videoparsersbad plugin

renderers/audio_renderer.h

@@ -29,6 +29,7 @@ extern "C" {
 #include <stdbool.h>
 #include "../lib/raop_ntp.h"
 
+void gstreamer_init();
 void audio_renderer_init(logger_t *logger, const char* audiosink);
 void audio_renderer_start(unsigned char* compression_type);
 void audio_renderer_stop();

renderers/audio_renderer_gstreamer.c

@@ -51,7 +51,7 @@ static gboolean check_plugins (void)
     int i;
     gboolean ret;
     GstRegistry *registry;
-    const gchar *needed[] = { "app", "libav", "playback", "autodetect", NULL};
+    const gchar *needed[] = { "app", "libav", "playback", "autodetect", "videoparsersbad",  NULL};
 
     registry = gst_registry_get ();
     ret = TRUE;
@@ -69,6 +69,11 @@ static gboolean check_plugins (void)
     return ret;
 }
 
+void  gstreamer_init(){
+    gst_init(NULL,NULL);
+    assert(check_plugins ());
+}
+
 #define NFORMATS 2     /* set to 4 to enable AAC_LD and PCM:  allowed, but  never seen in real-world use */
 static audio_renderer_t *renderer_type[NFORMATS];
 static audio_renderer_t *renderer = NULL;
@@ -79,8 +84,6 @@ void audio_renderer_init(logger_t *render_logger, const char* audiosink) {
     GError *error = NULL;
     GstCaps *caps = NULL;
     logger = render_logger;
-    gst_init(NULL,NULL);
-    assert(check_plugins ());
 
     for (int i = 0; i < NFORMATS ; i++) {
         renderer_type[i] = (audio_renderer_t *)  calloc(1,sizeof(audio_renderer_t));

renderers/video_renderer_gstreamer.c

@@ -132,7 +132,6 @@ void  video_renderer_init(logger_t *render_logger, const char *server_name, vide
     renderer = calloc(1, sizeof(video_renderer_t));
     assert(renderer);
 
-    gst_init(NULL,NULL);
     GString *launch = g_string_new("appsrc name=video_source ! ");
     g_string_append(launch, "queue ! ");
     g_string_append(launch, parser);

uxplay.cpp

@@ -688,6 +688,8 @@ int main (int argc, char *argv[]) {
     logger_set_callback(render_logger, log_callback, NULL);
     logger_set_level(render_logger, debug_log ? LOGGER_DEBUG : LOGGER_INFO);
 
+    gstreamer_init();
+
     if (use_audio) {
         audio_renderer_init(render_logger, audiosink.c_str());
     } else {