*check for b_die and b_error in all loops so that we don't remain stuck

waiting for data whereas the vlc has tried to quit.

plugins/ac3_spdif/ac3_spdif.c

@@ -2,7 +2,7 @@
  * ac3_spdif.c: ac3 pass-through to external decoder with enabled soundcard
  *****************************************************************************
  * Copyright (C) 2001 VideoLAN
- * $Id: ac3_spdif.c,v 1.23 2002/04/23 14:16:20 sam Exp $
+ * $Id: ac3_spdif.c,v 1.24 2002/05/17 18:01:25 stef Exp $
  *
  * Authors: Stphane Borel <stef@via.ecp.fr>
  *          Juha Yrjola <jyrjola@cc.hut.fi>
@@ -223,9 +223,13 @@ static int decoder_Run( decoder_config_t * p_config )
          * Therefore a non-zero value after a call to GetBits() means the PES
          * has changed. */
         b_sync = 0;
-        while( !b_sync )
+        while( !p_spdif->p_fifo->b_die
+            && !p_spdif->p_fifo->b_error
+            && !b_sync )
         {
-            while( GetBits( &p_spdif->bit_stream, 8 ) != 0x0b );
+            while( !p_spdif->p_fifo->b_die
+                && !p_spdif->p_fifo->b_error
+                && GetBits( &p_spdif->bit_stream, 8 ) != 0x0b );
             p_spdif->i_real_pts = p_spdif->i_pts;
             p_spdif->i_pts = 0;
             b_sync = ( ShowBits( &p_spdif->bit_stream, 8 ) == 0x77 );
@@ -273,13 +277,23 @@ static int InitThread( ac3_spdif_thread_t * p_spdif )
                    BitstreamCallback, (void*)p_spdif );
 
     /* Find syncword */
-    while( !b_sync )
+    while( !p_spdif->p_fifo->b_die
+        && !p_spdif->p_fifo->b_error
+        && !b_sync )
     {
-        while( GetBits( &p_spdif->bit_stream, 8 ) != 0x0b );
+        while( !p_spdif->p_fifo->b_die
+            && !p_spdif->p_fifo->b_error
+            && GetBits( &p_spdif->bit_stream, 8 ) != 0x0b );
         p_spdif->i_real_pts = p_spdif->i_pts;
         p_spdif->i_pts = 0;
         b_sync = ( ShowBits( &p_spdif->bit_stream, 8 ) == 0x77 );
     }
+
+    if( p_spdif->p_fifo->b_die || p_spdif->p_fifo->b_error )
+    {
+        return -1;
+    }
+
     RemoveBits( &p_spdif->bit_stream, 8 );
 
     /* Check stream properties */
@@ -362,8 +376,8 @@ static void EndThread( ac3_spdif_thread_t * p_spdif )
  *****************************************************************************
  * This function is called by input's NextDataPacket.
  *****************************************************************************/
-static void BitstreamCallback ( bit_stream_t * p_bit_stream,
-                                        boolean_t b_new_pes)
+static void BitstreamCallback( bit_stream_t * p_bit_stream,
+                               boolean_t      b_new_pes )
 {
     ac3_spdif_thread_t *    p_spdif;
 

src/audio_output/aout_spdif.c

@@ -2,7 +2,7 @@
  * aout_spdif.c: AC3 passthrough output
  *****************************************************************************
  * Copyright (C) 2001 VideoLAN
- * $Id: aout_spdif.c,v 1.26 2002/03/15 01:47:16 stef Exp $
+ * $Id: aout_spdif.c,v 1.27 2002/05/17 18:01:25 stef Exp $
  *
  * Authors: Michel Kaempf <maxx@via.ecp.fr>
  *          Stphane Borel <stef@via.ecp.fr>
@@ -93,17 +93,20 @@ void aout_SpdifThread( aout_thread_t * p_aout )
     int         i_fifo;
     mtime_t     m_frame_time = 0;
     mtime_t     m_play;
+    mtime_t     m_old;
 
     while( !p_aout->b_die )
     {
         i_fifo = 0;
         /* Find spdif fifo */
         while( ( p_aout->fifo[i_fifo].i_format != AOUT_FIFO_SPDIF ) &&
-               ( i_fifo < AOUT_MAX_FIFOS ) )
+               ( i_fifo < AOUT_MAX_FIFOS ) && !p_aout->b_die )
         {
             i_fifo++;
         }
 
+        m_old = 0;
+
         while( !p_aout->b_die && 
                !p_aout->fifo[i_fifo].b_die )
         {
@@ -133,7 +136,6 @@ void aout_SpdifThread( aout_thread_t * p_aout )
                  * dsp buffer is empty enough to accept the data */
                 if( m_play > ( mdate() - m_frame_time ) )
                 {
-#if 0
                     /* check continuity */
                     if( (m_play - m_old) != m_frame_time )
                     {
@@ -144,9 +146,7 @@ void aout_SpdifThread( aout_thread_t * p_aout )
                         mwait( m_play - 2 * m_frame_time );
                     }
                     m_old = m_play;
-#else
-                    mwait( m_play - m_frame_time );
-#endif
+                    
                     p_aout->pf_getbufinfo( p_aout, 0 );
 
                     p_aout->pf_play( p_aout, (byte_t *)p_aout->buffer,
@@ -155,9 +155,16 @@ void aout_SpdifThread( aout_thread_t * p_aout )
             }
             else
             {
-                vlc_mutex_unlock( &p_aout->fifo[i_fifo].data_lock );
-                msleep( m_frame_time );
                 intf_WarnMsg( 3, "aout warning: empty spdif fifo" );
+                while( AOUT_FIFO_ISEMPTY( p_aout->fifo[i_fifo] ) &&
+                       !p_aout->b_die && 
+                       !p_aout->fifo[i_fifo].b_die )
+
+                {
+                    vlc_mutex_unlock( &p_aout->fifo[i_fifo].data_lock );
+                    msleep( m_frame_time );
+                    vlc_mutex_lock( &p_aout->fifo[i_fifo].data_lock );
+                }
             }
         }