rpms/xine-lib/devel xine-lib-safe-audio-pause.patch, NONE, 1.1 xine-lib.spec, 1.62, 1.63

Rex Dieter rdieter at fedoraproject.org
Sat Feb 7 19:30:09 UTC 2009


Author: rdieter

Update of /cvs/pkgs/rpms/xine-lib/devel
In directory cvs1.fedora.phx.redhat.com:/tmp/cvs-serv30558

Modified Files:
	xine-lib.spec 
Added Files:
	xine-lib-safe-audio-pause.patch 
Log Message:
* Sat Feb 07 2009 Rex Dieter <rdieter at fedoraproject.org> - 1.1.16.1-3
- safe-audio-pause patch


xine-lib-safe-audio-pause.patch:

--- NEW FILE xine-lib-safe-audio-pause.patch ---
diff -r ce4b1533a0af src/xine-engine/audio_out.c
--- a/src/xine-engine/audio_out.c	Sun Jan 11 22:24:42 2009 +0000
+++ b/src/xine-engine/audio_out.c	Sat Feb 07 15:09:24 2009 -0200
@@ -243,6 +243,7 @@
   audio_fifo_t   *free_fifo;
   audio_fifo_t   *out_fifo;
   int64_t         last_audio_vpts;
+  pthread_mutex_t current_speed_lock;
   uint32_t        current_speed;        /* the current playback speed */
   /* FIXME: replace all this->clock->speed with this->current_speed. we should make
    * sure nobody will change speed without going through xine.c:set_speed_internal */
@@ -1040,6 +1041,7 @@
      * we must process/free buffers otherwise the entire engine will stop.
      */
     
+    pthread_mutex_lock(&this->current_speed_lock);
     if ( this->audio_loop_running && 
          (this->clock->speed == XINE_SPEED_PAUSE || 
           (this->clock->speed != XINE_FINE_SPEED_NORMAL && 
@@ -1055,6 +1057,7 @@
 	    _x_refcounter_dec(in_buf->stream->refcounter);
 	  fifo_append (this->free_fifo, in_buf);
 	  in_buf = NULL;
+	  pthread_mutex_unlock(&this->current_speed_lock);
 	  continue;
 	}
 
@@ -1065,6 +1068,7 @@
       }
 
       lprintf ("loop:pause: I feel sleepy (%d buffers).\n", this->out_fifo->num_buffers);
+      pthread_mutex_unlock(&this->current_speed_lock);
       xine_usec_sleep (10000);
       lprintf ("loop:pause: I wake up.\n");
       continue;
@@ -1274,6 +1278,7 @@
       fifo_append (this->free_fifo, in_buf);
       in_buf = NULL;
     }
+    pthread_mutex_unlock(&this->current_speed_lock);
 
     /* Give other threads a chance to use functions which require this->driver_lock to
      * be available. This is needed when using NPTL on Linux (and probably PThreads
@@ -1684,6 +1689,7 @@
   free (this->frame_buf[1]);
   free (this->zero_space);
   
+  pthread_mutex_destroy(&this->current_speed_lock);
   pthread_mutex_destroy(&this->flush_audio_driver_lock);
   pthread_cond_destroy(&this->flush_audio_driver_reached);
 
@@ -1910,11 +1916,15 @@
     if (value != XINE_FINE_SPEED_NORMAL && value != XINE_SPEED_PAUSE && !this->slow_fast_audio )
       this->ao.control(&this->ao, AO_CTRL_FLUSH_BUFFERS, NULL);
 
+    /* current_speed_lock is here to make sure the ao_loop will pause in a safe place.
+     * that is, we cannot pause writing to device, filling gaps etc. */
+    pthread_mutex_lock(&this->current_speed_lock);
     this->ao.control(&this->ao,
       	             (value == XINE_SPEED_PAUSE) ? AO_CTRL_PLAY_PAUSE : AO_CTRL_PLAY_RESUME, NULL);
     this->current_speed = value;
     if( this->slow_fast_audio )
       ao_update_resample_factor(this);
+    pthread_mutex_unlock(&this->current_speed_lock);
     break;
     
   default:
@@ -2056,6 +2066,7 @@
   this->driver                = driver;
   this->xine                  = xine;
   this->clock                 = xine->clock;
+  this->current_speed         = xine->clock->speed;
   this->streams               = xine_list_new();
     
   /* warning: driver_lock is a recursive mutex. it must NOT be
@@ -2087,6 +2098,7 @@
   this->discard_buffers        = 0;
   this->zero_space             = calloc (1, ZERO_BUF_SIZE * 4 * 6); /* MAX as 32bit, 6 channels. */
   
+  pthread_mutex_init( &this->current_speed_lock, NULL );
   pthread_mutex_init( &this->flush_audio_driver_lock, NULL );
   pthread_cond_init( &this->flush_audio_driver_reached, NULL );
 
diff -r ce4b1533a0af src/xine-engine/xine.c
--- a/src/xine-engine/xine.c	Sun Jan 11 22:24:42 2009 +0000
+++ b/src/xine-engine/xine.c	Sat Feb 07 15:09:25 2009 -0200
@@ -330,17 +330,20 @@
 
 static void set_speed_internal (xine_stream_t *stream, int speed) {
   xine_t *xine = stream->xine;
+  int old_speed = xine->clock->speed;
 
-  if (xine->clock->speed != XINE_SPEED_PAUSE && speed == XINE_SPEED_PAUSE)
+  if (old_speed != XINE_SPEED_PAUSE && speed == XINE_SPEED_PAUSE)
     /* get all decoder and post threads in a state where they agree to be blocked */
     xine->port_ticket->revoke(xine->port_ticket, 0);
   
-  if (xine->clock->speed == XINE_SPEED_PAUSE && speed != XINE_SPEED_PAUSE)
+  if (old_speed == XINE_SPEED_PAUSE && speed != XINE_SPEED_PAUSE)
     /* all decoder and post threads may continue now */
     xine->port_ticket->issue(xine->port_ticket, 0);
   
-  stream->xine->clock->set_fine_speed (stream->xine->clock, speed);
-
+  if (old_speed != XINE_SPEED_PAUSE && speed == XINE_SPEED_PAUSE)
+    /* set master clock so audio_out loop can pause in a safe place */
+    stream->xine->clock->set_fine_speed (stream->xine->clock, speed);
+  
   /* see coment on audio_out loop about audio_paused */
   if( stream->audio_out ) {
     xine->port_ticket->acquire(xine->port_ticket, 1);
@@ -350,6 +353,10 @@
     
     xine->port_ticket->release(xine->port_ticket, 1);
   }
+  
+  if (old_speed == XINE_SPEED_PAUSE && speed != XINE_SPEED_PAUSE)
+    /* master clock is set after resuming the audio device (audio_out loop may continue) */
+    stream->xine->clock->set_fine_speed (stream->xine->clock, speed);
 }
 
 


Index: xine-lib.spec
===================================================================
RCS file: /cvs/pkgs/rpms/xine-lib/devel/xine-lib.spec,v
retrieving revision 1.62
retrieving revision 1.63
diff -u -r1.62 -r1.63
--- xine-lib.spec	26 Jan 2009 16:58:47 -0000	1.62
+++ xine-lib.spec	7 Feb 2009 19:29:38 -0000	1.63
@@ -34,7 +34,7 @@
 Summary:        A multimedia engine 
 Name:           xine-lib
 Version:        1.1.16.1
-Release:        2%{?dist}
+Release:        3%{?dist}
 License:        GPLv2+
 Group:          System Environment/Libraries
 URL:            http://xinehq.de/
@@ -55,6 +55,7 @@
 # http://bugzilla.redhat.com/470568
 Patch8:         xine-lib-1.1.15-avsync_hack.patch
 ## upstream patches
+Patch100:	xine-lib-safe-audio-pause.patch
 
 Provides:       xine-lib(plugin-abi) = %{abiver}
 %if "%{?_isa}" != "%{nil}"
@@ -202,6 +203,8 @@
 
 %patch8 -p1 -b .avsync_hack
 
+%patch100 -p1 -b .safe_audio_pause
+
 # Avoid standard rpaths on lib64 archs: (autotools patch should handle this, no? -- Rex )
 #sed -i -e 's|"/lib /usr/lib\b|"/%{_lib} %{_libdir}|' configure
 
@@ -434,6 +437,9 @@
 
 
 %changelog
+* Sat Feb 07 2009 Rex Dieter <rdieter at fedoraproject.org> - 1.1.16.1-3
+- safe-audio-pause patch
+
 * Mon Jan 26 2009 Rex Dieter <rdieter at fedoraproject.org> - 1.1.16.1-2
 - Provides: xine-lib(plugin-abi)%%{?_isa} = %%{abiver}
 - touchup Summary/Description




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