Remove potential infinate loop when caller hung up before audio completed. Thanks...

diff --git a/src/mod/formats/mod_vlc/mod_vlc.c b/src/mod/formats/mod_vlc/mod_vlc.c
index fb9c88b0918e7c228570b97c04ad436e005ee4d5..498460161870457f373813e9b3734fa5752a363f 100644 (file)
--- a/src/mod/formats/mod_vlc/mod_vlc.c
+++ b/src/mod/formats/mod_vlc/mod_vlc.c
@@ -340,19 +340,29 @@ static switch_status_t vlc_file_write(switch_file_handle_t *handle, void *data,
 static switch_status_t vlc_file_close(switch_file_handle_t *handle)
 {
        vlc_file_context_t *context = handle->private_info;
+       int sanity = 0; 
        
        context->playing = 0;
        
        /* The clients need to empty the last of the audio buffer */
        while ( switch_buffer_inuse(context->audio_buffer) > 0 ) {
                switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "VLC waiting to close the files: %d \n", (int) switch_buffer_inuse(context->audio_buffer));
-               sleep(1);
+               switch_yield(500000);
+               if (++sanity > 10) {
+                       switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Giving up waiting for client to empty the audio buffer\n");
+                       break;
+               }
        }
 
        /* Let the clients get the last of the audio stream */
+       sanity = 0;
        while ( 3 == libvlc_media_get_state(context->m) ) {
                switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "VLC waiting for clients: %d \n", libvlc_media_get_state(context->m));
-               sleep(1);
+               switch_yield(500000); 
+                if (++sanity > 10) {
+                        switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Giving up waiting for client to get the last of the audio stream\n");
+                        break;
+               }
        }
 
        if( context->mp )