]> git.sesse.net Git - vlc/blobdiff - src/input/decoder.c
Added a subtitle properties to subpicture.
[vlc] / src / input / decoder.c
index db14ff5cb4f8a5357f575c9c7c35642f23a59f34..db3927e042814de835a0ab5660f82ed18a36b037 100644 (file)
@@ -31,7 +31,7 @@
 #endif
 #include <assert.h>
 
-#include <vlc/vlc.h>
+#include <vlc_common.h>
 
 #include <vlc_block.h>
 #include <vlc_vout.h>
 #include "stream_output/stream_output.h"
 #include "input_internal.h"
 
-static decoder_t * CreateDecoder( input_thread_t *, es_format_t *, int );
+static decoder_t * CreateDecoder( input_thread_t *, es_format_t *, int, sout_instance_t *p_sout );
 static void        DeleteDecoder( decoder_t * );
 
-static int         DecoderThread( decoder_t * );
+static void*        DecoderThread( vlc_object_t * );
 static int         DecoderDecode( decoder_t * p_dec, block_t *p_block );
 
 /* Buffers allocation callbacks for the decoders */
@@ -67,7 +67,7 @@ static es_format_t null_es_format;
 
 struct decoder_owner_sys_t
 {
-    vlc_bool_t      b_own_thread;
+    bool      b_own_thread;
 
     int64_t         i_preroll_end;
 
@@ -96,9 +96,9 @@ struct decoder_owner_sys_t
     block_fifo_t *p_fifo;
 
     /* CC */
-    vlc_bool_t b_cc_supported;
+    bool b_cc_supported;
     vlc_mutex_t lock_cc;
-    vlc_bool_t pb_cc_present[4];
+    bool pb_cc_present[4];
     decoder_t *pp_cc[4];
 };
 
@@ -108,7 +108,7 @@ static void DecoderUnsupportedCodec( decoder_t *p_dec, vlc_fourcc_t codec )
     msg_Err( p_dec, "no suitable decoder module for fourcc `%4.4s'.\n"
              "VLC probably does not support this sound or video format.",
              (char*)&codec );
-    intf_UserFatal( p_dec, VLC_FALSE, _("No suitable decoder module"), 
+    intf_UserFatal( p_dec, false, _("No suitable decoder module"), 
                     _("VLC does not support the audio or video format \"%4.4s\". "
                       "Unfortunately there is no way for you to fix this."), (char*)&codec );
 }
@@ -136,6 +136,7 @@ int decoder_GetInputAttachments( decoder_t *p_dec,
  */
 mtime_t decoder_GetDisplayDate( decoder_t *p_dec, mtime_t i_ts )
 {
+    VLC_UNUSED(p_dec);
     return i_ts;
 }
 
@@ -147,32 +148,36 @@ mtime_t decoder_GetDisplayDate( decoder_t *p_dec, mtime_t i_ts )
  * \return the spawned decoder object
  */
 decoder_t *input_DecoderNew( input_thread_t *p_input,
-                             es_format_t *fmt, vlc_bool_t b_force_decoder )
+                             es_format_t *fmt, sout_instance_t *p_sout  )
 {
     decoder_t   *p_dec = NULL;
     vlc_value_t val;
 
+#ifndef ENABLE_SOUT
+    (void)b_force_decoder;
+#else
     /* If we are in sout mode, search for packetizer module */
-    if( p_input->p->p_sout && !b_force_decoder )
+    if( p_sout )
     {
         /* Create the decoder configuration structure */
-        p_dec = CreateDecoder( p_input, fmt, VLC_OBJECT_PACKETIZER );
+        p_dec = CreateDecoder( p_input, fmt, VLC_OBJECT_PACKETIZER, p_sout );
         if( p_dec == NULL )
         {
             msg_Err( p_input, "could not create packetizer" );
-            intf_UserFatal( p_input, VLC_FALSE, _("Streaming / Transcoding failed"),
+            intf_UserFatal( p_input, false, _("Streaming / Transcoding failed"),
                             _("VLC could not open the packetizer module.") );
             return NULL;
         }
     }
     else
+#endif
     {
         /* Create the decoder configuration structure */
-        p_dec = CreateDecoder( p_input, fmt, VLC_OBJECT_DECODER );
+        p_dec = CreateDecoder( p_input, fmt, VLC_OBJECT_DECODER, p_sout );
         if( p_dec == NULL )
         {
             msg_Err( p_input, "could not create decoder" );
-            intf_UserFatal( p_input, VLC_FALSE, _("Streaming / Transcoding failed"),
+            intf_UserFatal( p_input, false, _("Streaming / Transcoding failed"),
                             _("VLC could not open the decoder module.") );
             return NULL;
         }
@@ -187,11 +192,10 @@ decoder_t *input_DecoderNew( input_thread_t *p_input,
         return NULL;
     }
 
-    if( p_input->p->p_sout && p_input->p->input.b_can_pace_control &&
-        !b_force_decoder )
+    if( p_sout && p_sout == p_input->p->p_sout && p_input->p->input.b_can_pace_control )
     {
         msg_Dbg( p_input, "stream out mode -> no decoder thread" );
-        p_dec->p_owner->b_own_thread = VLC_FALSE;
+        p_dec->p_owner->b_own_thread = false;
     }
     else
     {
@@ -209,7 +213,7 @@ decoder_t *input_DecoderNew( input_thread_t *p_input,
 
         /* Spawn the decoder thread */
         if( vlc_thread_create( p_dec, "decoder", DecoderThread,
-                               i_priority, VLC_FALSE ) )
+                               i_priority, false ) )
         {
             msg_Err( p_dec, "cannot spawn decoder thread" );
             module_Unneed( p_dec, p_dec->p_module );
@@ -258,7 +262,7 @@ void input_DecoderDelete( decoder_t *p_dec )
     {
         int i;
         for( i = 0; i < 4; i++ )
-            input_DecoderSetCcState( p_dec, VLC_FALSE, i );
+            input_DecoderSetCcState( p_dec, false, i );
     }
 
     /* Delete decoder configuration */
@@ -311,7 +315,7 @@ void input_DecoderDecode( decoder_t * p_dec, block_t *p_block )
     }
 }
 
-void input_DecoderDiscontinuity( decoder_t * p_dec, vlc_bool_t b_flush )
+void input_DecoderDiscontinuity( decoder_t * p_dec, bool b_flush )
 {
     block_t *p_null;
 
@@ -330,17 +334,17 @@ void input_DecoderDiscontinuity( decoder_t * p_dec, vlc_bool_t b_flush )
     input_DecoderDecode( p_dec, p_null );
 }
 
-vlc_bool_t input_DecoderEmpty( decoder_t * p_dec )
+bool input_DecoderEmpty( decoder_t * p_dec )
 {
     if( p_dec->p_owner->b_own_thread
      && block_FifoCount( p_dec->p_owner->p_fifo ) > 0 )
     {
-        return VLC_FALSE;
+        return false;
     }
-    return VLC_TRUE;
+    return true;
 }
 
-void input_DecoderIsCcPresent( decoder_t *p_dec, vlc_bool_t pb_present[4] )
+void input_DecoderIsCcPresent( decoder_t *p_dec, bool pb_present[4] )
 {
     int i;
 
@@ -349,7 +353,7 @@ void input_DecoderIsCcPresent( decoder_t *p_dec, vlc_bool_t pb_present[4] )
         pb_present[i] =  p_dec->p_owner->pb_cc_present[i];
     vlc_mutex_unlock( &p_dec->p_owner->lock_cc );
 }
-int input_DecoderSetCcState( decoder_t *p_dec, vlc_bool_t b_decode, int i_channel )
+int input_DecoderSetCcState( decoder_t *p_dec, bool b_decode, int i_channel )
 {
     decoder_owner_sys_t *p_owner = p_dec->p_owner;
 
@@ -370,11 +374,11 @@ int input_DecoderSetCcState( decoder_t *p_dec, vlc_bool_t b_decode, int i_channe
         es_format_t fmt;
 
         es_format_Init( &fmt, SPU_ES, fcc[i_channel] );
-        p_cc = CreateDecoder( p_owner->p_input, &fmt, VLC_OBJECT_DECODER );
+        p_cc = CreateDecoder( p_owner->p_input, &fmt, VLC_OBJECT_DECODER, p_dec->p_owner->p_sout );
         if( !p_cc )
         {
             msg_Err( p_dec, "could not create decoder" );
-            intf_UserFatal( p_dec, VLC_FALSE, _("Streaming / Transcoding failed"),
+            intf_UserFatal( p_dec, false, _("Streaming / Transcoding failed"),
                             _("VLC could not open the decoder module.") );
             return VLC_EGENERIC;
         }
@@ -409,11 +413,11 @@ int input_DecoderSetCcState( decoder_t *p_dec, vlc_bool_t b_decode, int i_channe
     }
     return VLC_SUCCESS;
 }
-int input_DecoderGetCcState( decoder_t *p_dec, vlc_bool_t *pb_decode, int i_channel )
+int input_DecoderGetCcState( decoder_t *p_dec, bool *pb_decode, int i_channel )
 {
     decoder_owner_sys_t *p_owner = p_dec->p_owner;
 
-    *pb_decode = VLC_FALSE;
+    *pb_decode = false;
     if( i_channel < 0 || i_channel >= 4 || !p_owner->pb_cc_present[i_channel] )
         return VLC_EGENERIC;
 
@@ -432,7 +436,7 @@ int input_DecoderGetCcState( decoder_t *p_dec, vlc_bool_t *pb_decode, int i_chan
  * \return the decoder object
  */
 static decoder_t * CreateDecoder( input_thread_t *p_input,
-                                  es_format_t *fmt, int i_object_type )
+                                  es_format_t *fmt, int i_object_type, sout_instance_t *p_sout )
 {
     decoder_t *p_dec;
     decoder_owner_sys_t *p_owner;
@@ -440,16 +444,13 @@ static decoder_t * CreateDecoder( input_thread_t *p_input,
 
     p_dec = vlc_object_create( p_input, i_object_type );
     if( p_dec == NULL )
-    {
-        msg_Err( p_input, "out of memory" );
         return NULL;
-    }
 
-    p_dec->pf_decode_audio = 0;
-    p_dec->pf_decode_video = 0;
-    p_dec->pf_decode_sub = 0;
-    p_dec->pf_get_cc = 0;
-    p_dec->pf_packetize = 0;
+    p_dec->pf_decode_audio = NULL;
+    p_dec->pf_decode_video = NULL;
+    p_dec->pf_decode_sub = NULL;
+    p_dec->pf_get_cc = NULL;
+    p_dec->pf_packetize = NULL;
 
     /* Initialize the decoder fifo */
     p_dec->p_module = NULL;
@@ -462,10 +463,10 @@ static decoder_t * CreateDecoder( input_thread_t *p_input,
     p_dec->p_owner = p_owner = malloc( sizeof( decoder_owner_sys_t ) );
     if( p_dec->p_owner == NULL )
     {
-        msg_Err( p_dec, "out of memory" );
+        vlc_object_release( p_dec );
         return NULL;
     }
-    p_dec->p_owner->b_own_thread = VLC_TRUE;
+    p_dec->p_owner->b_own_thread = true;
     p_dec->p_owner->i_preroll_end = -1;
     p_dec->p_owner->p_input = p_input;
     p_dec->p_owner->p_aout = NULL;
@@ -473,14 +474,15 @@ static decoder_t * CreateDecoder( input_thread_t *p_input,
     p_dec->p_owner->p_vout = NULL;
     p_dec->p_owner->p_spu_vout = NULL;
     p_dec->p_owner->i_spu_channel = 0;
-    p_dec->p_owner->p_sout = p_input->p->p_sout;
+    p_dec->p_owner->p_sout = p_sout;
     p_dec->p_owner->p_sout_input = NULL;
     p_dec->p_owner->p_packetizer = NULL;
 
     /* decoder fifo */
-    if( ( p_dec->p_owner->p_fifo = block_FifoNew( p_dec ) ) == NULL )
+    if( ( p_dec->p_owner->p_fifo = block_FifoNew() ) == NULL )
     {
-        msg_Err( p_dec, "out of memory" );
+        free( p_dec->p_owner );
+        vlc_object_release( p_dec );
         return NULL;
     }
 
@@ -549,19 +551,19 @@ static decoder_t * CreateDecoder( input_thread_t *p_input,
         }
     }
     /* */
-    p_owner->b_cc_supported = VLC_FALSE;
+    p_owner->b_cc_supported = false;
     if( i_object_type == VLC_OBJECT_DECODER )
     {
         if( p_owner->p_packetizer && p_owner->p_packetizer->pf_get_cc )
-            p_owner->b_cc_supported = VLC_TRUE;
+            p_owner->b_cc_supported = true;
         if( p_dec->pf_get_cc )
-            p_owner->b_cc_supported = VLC_TRUE;
+            p_owner->b_cc_supported = true;
     }
 
-    vlc_mutex_init( p_dec, &p_owner->lock_cc );
+    vlc_mutex_init( &p_owner->lock_cc );
     for( i = 0; i < 4; i++ )
     {
-        p_owner->pb_cc_present[i] = VLC_FALSE;
+        p_owner->pb_cc_present[i] = false;
         p_owner->pp_cc[i] = NULL;
     }
     return p_dec;
@@ -571,11 +573,12 @@ static decoder_t * CreateDecoder( input_thread_t *p_input,
  * The decoding main loop
  *
  * \param p_dec the decoder
- * \return 0
  */
-static int DecoderThread( decoder_t * p_dec )
+static void* DecoderThread( vlc_object_t *p_this )
 {
+    decoder_t * p_dec = (decoder_t *)p_this;
     block_t *p_block;
+    int canc = vlc_savecancel ();
 
     /* The decoder's main loop */
     while( !p_dec->b_die && !p_dec->b_error )
@@ -601,8 +604,8 @@ static int DecoderThread( decoder_t * p_dec )
     /* We do it here because of the dll loader that wants close() in the
      * same thread than open()/decode() */
     module_Unneed( p_dec, p_dec->p_module );
-
-    return 0;
+    vlc_restorecancel (canc);
+    return NULL;
 }
 
 static inline void DecoderUpdatePreroll( int64_t *pi_preroll, const block_t *p )
@@ -616,20 +619,30 @@ static inline void DecoderUpdatePreroll( int64_t *pi_preroll, const block_t *p )
 }
 static void DecoderDecodeAudio( decoder_t *p_dec, block_t *p_block )
 {
-    input_thread_t *p_input = p_dec->p_owner->p_input;
-    const int i_rate = p_block->i_rate;
-    aout_buffer_t *p_aout_buf;
+    input_thread_t  *p_input = p_dec->p_owner->p_input;
+    const int       i_rate = p_block->i_rate;
+    aout_buffer_t   *p_aout_buf;
 
     while( (p_aout_buf = p_dec->pf_decode_audio( p_dec, &p_block )) )
     {
+        aout_instance_t *p_aout = p_dec->p_owner->p_aout;
+        aout_input_t    *p_aout_input = p_dec->p_owner->p_aout_input;
+
+        if( p_dec->b_die )
+        {
+            /* It prevent freezing VLC in case of broken decoder */
+            aout_DecDeleteBuffer( p_aout, p_aout_input, p_aout_buf );
+            if( p_block )
+                block_Release( p_block );
+            break;
+        }
         vlc_mutex_lock( &p_input->p->counters.counters_lock );
         stats_UpdateInteger( p_dec, p_input->p->counters.p_decoded_audio, 1, NULL );
         vlc_mutex_unlock( &p_input->p->counters.counters_lock );
 
         if( p_aout_buf->start_date < p_dec->p_owner->i_preroll_end )
         {
-            aout_DecDeleteBuffer( p_dec->p_owner->p_aout,
-                                  p_dec->p_owner->p_aout_input, p_aout_buf );
+            aout_DecDeleteBuffer( p_aout, p_aout_input, p_aout_buf );
             continue;
         }
 
@@ -639,15 +652,13 @@ static void DecoderDecodeAudio( decoder_t *p_dec, block_t *p_block )
             msg_Dbg( p_dec, "End of audio preroll" );
             p_dec->p_owner->i_preroll_end = -1;
         }
-        aout_DecPlay( p_dec->p_owner->p_aout,
-                      p_dec->p_owner->p_aout_input,
-                      p_aout_buf, i_rate );
+        aout_DecPlay( p_aout, p_aout_input, p_aout_buf, i_rate );
     }
 }
 static void DecoderGetCc( decoder_t *p_dec, decoder_t *p_dec_cc )
 {
     block_t *p_cc;
-    vlc_bool_t pb_present[4];
+    bool pb_present[4];
     int i;
     int i_cc_decoder;
 
@@ -698,6 +709,7 @@ static void VoutDisplayedPicture( vout_thread_t *p_vout, picture_t *p_pic )
     else
     {
         p_pic->i_status = DESTROYED_PICTURE;
+        picture_CleanupQuant( p_pic );
         p_vout->i_heap_size--;
     }
 
@@ -721,28 +733,136 @@ static void VoutFlushPicture( vout_thread_t *p_vout )
     }
     vlc_mutex_unlock( &p_vout->picture_lock );
 }
+
+static void DecoderOptimizePtsDelay( decoder_t *p_dec )
+{
+    input_thread_t *p_input = p_dec->p_owner->p_input;
+    vout_thread_t *p_vout = p_dec->p_owner->p_vout;
+    input_thread_private_t *p_priv = p_input->p;
+
+    picture_t *p_old = NULL;
+    picture_t *p_young = NULL;
+    int i;
+
+    /* Enable with --auto-adjust-pts-delay */
+    if( !p_priv->pts_adjust.b_auto_adjust )
+        return;
+
+    for( i = 0; i < I_RENDERPICTURES; i++ )
+    {
+        picture_t *p_pic = PP_RENDERPICTURE[i];
+
+        if( p_pic->i_status != READY_PICTURE )
+            continue;
+
+        if( !p_old || p_pic->date < p_old->date )
+            p_old = p_pic;
+        if( !p_young || p_pic->date > p_young->date )
+            p_young = p_pic;
+    }
+
+    if( !p_young || !p_old )
+        return;
+
+    /* Try to find if we can reduce the pts
+     * This first draft is way to simple, and we can't say if the
+     * algo will converge. It's also full of constants.
+     * But this simple algo allows to reduce the latency
+     * to the minimum.
+     * The whole point of this, is to bypass the pts_delay set
+     * by the access but also the delay arbitraly set by
+     * the remote server.
+     * Actually the remote server's muxer may set up a
+     * pts<->dts delay in the muxed stream. That is
+     * why we may end up in having a negative pts_delay,
+     * to compensate that artificial delay. */
+    const mtime_t i_buffer_length = p_young->date - p_old->date;
+    int64_t i_pts_slide = 0;
+    if( i_buffer_length < 10000 )
+    {
+        if( p_priv->pts_adjust.i_num_faulty > 10 )
+        {
+            i_pts_slide = __MAX(p_input->i_pts_delay *3 / 2, 10000);
+            p_priv->pts_adjust.i_num_faulty = 0;
+        }
+        if( p_priv->pts_adjust.b_to_high )
+        {
+            p_priv->pts_adjust.b_to_high = !p_priv->pts_adjust.b_to_high;
+            p_priv->pts_adjust.i_num_faulty = 0;
+        }
+        p_priv->pts_adjust.i_num_faulty++;
+    }
+    else if( i_buffer_length > 100000 )
+    {
+        if( p_priv->pts_adjust.i_num_faulty > 25 )
+        {
+            i_pts_slide = -i_buffer_length/2;
+            p_priv->pts_adjust.i_num_faulty = 0;
+        }
+        if( p_priv->pts_adjust.b_to_high )
+        {
+            p_priv->pts_adjust.b_to_high = !p_priv->pts_adjust.b_to_high;
+            p_priv->pts_adjust.i_num_faulty = 0;
+        }
+        p_priv->pts_adjust.i_num_faulty++;
+    }
+    if( i_pts_slide != 0 )
+    {
+        const mtime_t i_pts_delay_org = p_input->i_pts_delay;
+
+        p_input->i_pts_delay += i_pts_slide;
+
+        /* Don't play with the pts delay for more than -2<->3sec */
+        if( p_input->i_pts_delay < -2000000 )
+            p_input->i_pts_delay = -2000000;
+        else if( p_input->i_pts_delay > 3000000 )
+            p_input->i_pts_delay = 3000000;
+        i_pts_slide = p_input->i_pts_delay - i_pts_delay_org;
+
+        msg_Dbg( p_input, "Sliding the pts by %dms pts delay at %dms picture buffer was %dms",
+            (int)i_pts_slide/1000, (int)p_input->i_pts_delay/1000, (int)i_buffer_length/1000);
+
+        vlc_mutex_lock( &p_vout->picture_lock );
+        /* Slide all the picture */
+        for( i = 0; i < I_RENDERPICTURES; i++ )
+            PP_RENDERPICTURE[i]->date += i_pts_slide;
+        /* FIXME: slide aout/spu */
+        vlc_mutex_unlock( &p_vout->picture_lock );
+    }
+}
+
 static void DecoderDecodeVideo( decoder_t *p_dec, block_t *p_block )
 {
     input_thread_t *p_input = p_dec->p_owner->p_input;
-    picture_t *p_pic;
+    picture_t      *p_pic;
 
     while( (p_pic = p_dec->pf_decode_video( p_dec, &p_block )) )
     {
+        vout_thread_t  *p_vout = p_dec->p_owner->p_vout;
+        if( p_dec->b_die )
+        {
+            /* It prevent freezing VLC in case of broken decoder */
+            VoutDisplayedPicture( p_vout, p_pic );
+            if( p_block )
+                block_Release( p_block );
+            break;
+        }
+
         vlc_mutex_lock( &p_input->p->counters.counters_lock );
         stats_UpdateInteger( p_dec, p_input->p->counters.p_decoded_video, 1, NULL );
         vlc_mutex_unlock( &p_input->p->counters.counters_lock );
 
         if( p_pic->date < p_dec->p_owner->i_preroll_end )
         {
-            VoutDisplayedPicture( p_dec->p_owner->p_vout, p_pic );
+            VoutDisplayedPicture( p_vout, p_pic );
             continue;
         }
 
         if( p_dec->p_owner->i_preroll_end > 0 )
         {
             msg_Dbg( p_dec, "End of video preroll" );
-            if( p_dec->p_owner->p_vout )
-                VoutFlushPicture( p_dec->p_owner->p_vout );
+            if( p_vout )
+                VoutFlushPicture( p_vout );
             /* */
             p_dec->p_owner->i_preroll_end = -1;
         }
@@ -750,9 +870,11 @@ static void DecoderDecodeVideo( decoder_t *p_dec, block_t *p_block )
         if( ( !p_dec->p_owner->p_packetizer || !p_dec->p_owner->p_packetizer->pf_get_cc ) && p_dec->pf_get_cc )
             DecoderGetCc( p_dec, p_dec );
 
-        vout_DatePicture( p_dec->p_owner->p_vout, p_pic,
-                          p_pic->date );
-        vout_DisplayPicture( p_dec->p_owner->p_vout, p_pic );
+        vout_DatePicture( p_vout, p_pic, p_pic->date );
+
+        DecoderOptimizePtsDelay( p_dec );
+
+        vout_DisplayPicture( p_vout, p_pic );
     }
 }
 
@@ -774,12 +896,13 @@ static int DecoderDecode( decoder_t *p_dec, block_t *p_block )
         return VLC_SUCCESS;
     }
 
+#ifdef ENABLE_SOUT
     if( p_dec->i_object_type == VLC_OBJECT_PACKETIZER )
     {
         block_t *p_sout_block;
 
         while( ( p_sout_block =
-                     p_dec->pf_packetize( p_dec, p_block ? &p_block : 0 ) ) )
+                     p_dec->pf_packetize( p_dec, p_block ? &p_block : NULL ) ) )
         {
             if( !p_dec->p_owner->p_sout_input )
             {
@@ -803,7 +926,7 @@ static int DecoderDecode( decoder_t *p_dec, block_t *p_block )
                 {
                     msg_Err( p_dec, "cannot create packetizer output (%4.4s)",
                              (char *)&p_dec->p_owner->sout.i_codec );
-                    p_dec->b_error = VLC_TRUE;
+                    p_dec->b_error = true;
 
                     while( p_sout_block )
                     {
@@ -828,22 +951,24 @@ static int DecoderDecode( decoder_t *p_dec, block_t *p_block )
                 p_sout_block = p_next;
             }
 
-            /* For now it's enough, as only sout inpact on this flag */
+            /* For now it's enough, as only sout impact on this flag */
             if( p_dec->p_owner->p_sout->i_out_pace_nocontrol > 0 &&
                 p_dec->p_owner->p_input->p->b_out_pace_control )
             {
                 msg_Dbg( p_dec, "switching to sync mode" );
-                p_dec->p_owner->p_input->p->b_out_pace_control = VLC_FALSE;
+                p_dec->p_owner->p_input->p->b_out_pace_control = false;
             }
             else if( p_dec->p_owner->p_sout->i_out_pace_nocontrol <= 0 &&
                      !p_dec->p_owner->p_input->p->b_out_pace_control )
             {
                 msg_Dbg( p_dec, "switching to async mode" );
-                p_dec->p_owner->p_input->p->b_out_pace_control = VLC_TRUE;
+                p_dec->p_owner->p_input->p->b_out_pace_control = true;
             }
         }
     }
-    else if( p_dec->fmt_in.i_cat == AUDIO_ES )
+    else
+#endif
+    if( p_dec->fmt_in.i_cat == AUDIO_ES )
     {
         if( p_block )
             DecoderUpdatePreroll( &p_dec->p_owner->i_preroll_end, p_block );
@@ -978,7 +1103,11 @@ static void DeleteDecoder( decoder_t * p_dec )
     /* Cleanup */
     if( p_dec->p_owner->p_aout_input )
         aout_DecDelete( p_dec->p_owner->p_aout, p_dec->p_owner->p_aout_input );
-
+    if( p_dec->p_owner->p_aout )
+    {
+        vlc_object_release( p_dec->p_owner->p_aout );
+        p_dec->p_owner->p_aout = NULL;
+    }
     if( p_dec->p_owner->p_vout )
     {
         int i_pic;
@@ -996,14 +1125,17 @@ static void DeleteDecoder( decoder_t * p_dec )
 #undef p_pic
 
         /* We are about to die. Reattach video output to p_vlc. */
-        vout_Request( p_dec, p_dec->p_owner->p_vout, 0 );
+        vout_Request( p_dec, p_dec->p_owner->p_vout, NULL );
+        var_SetBool( p_dec->p_owner->p_input, "intf-change-vout", true );
     }
 
+#ifdef ENABLE_SOUT
     if( p_dec->p_owner->p_sout_input )
     {
         sout_InputDelete( p_dec->p_owner->p_sout_input );
         es_format_Clean( &p_dec->p_owner->sout );
     }
+#endif
 
     if( p_dec->fmt_in.i_cat == SPU_ES )
     {
@@ -1087,7 +1219,7 @@ static aout_buffer_t *aout_new_buffer( decoder_t *p_dec, int i_samples )
         if( p_sys->p_aout_input == NULL )
         {
             msg_Err( p_dec, "failed to create audio output" );
-            p_dec->b_error = VLC_TRUE;
+            p_dec->b_error = true;
             return NULL;
         }
         p_dec->fmt_out.audio.i_bytes_per_frame =
@@ -1105,6 +1237,9 @@ static void aout_del_buffer( decoder_t *p_dec, aout_buffer_t *p_buffer )
                           p_dec->p_owner->p_aout_input, p_buffer );
 }
 
+
+int vout_CountPictureAvailable( vout_thread_t *p_vout );
+
 static picture_t *vout_new_buffer( decoder_t *p_dec )
 {
     decoder_owner_sys_t *p_sys = (decoder_owner_sys_t *)p_dec->p_owner;
@@ -1172,10 +1307,11 @@ static picture_t *vout_new_buffer( decoder_t *p_dec )
 
         p_sys->p_vout = vout_Request( p_dec, p_sys->p_vout,
                                       &p_dec->fmt_out.video );
+        var_SetBool( p_sys->p_input, "intf-change-vout", true );
         if( p_sys->p_vout == NULL )
         {
             msg_Err( p_dec, "failed to create video output" );
-            p_dec->b_error = VLC_TRUE;
+            p_dec->b_error = true;
             return NULL;
         }
 
@@ -1187,36 +1323,54 @@ static picture_t *vout_new_buffer( decoder_t *p_dec )
             p_sys->p_vout->render.i_bmask = p_sys->video.i_bmask;
     }
 
-    /* Get a new picture */
-    while( !(p_pic = vout_CreatePicture( p_sys->p_vout, 0, 0, 0 ) ) )
+    /* Get a new picture
+     */
+    for( p_pic = NULL; ; )
     {
-        int i_pic, i_ready_pic = 0;
+        int i_pic, i_ready_pic;
 
         if( p_dec->b_die || p_dec->b_error )
-        {
             return NULL;
+
+        /* The video filter chain required that there is always 1 free buffer
+         * that it will use as temporary one. It will release the temporary
+         * buffer once its work is done, so this check is safe even if we don't
+         * lock around both count() and create().
+         */
+        if( vout_CountPictureAvailable( p_sys->p_vout ) >= 2 )
+        {
+            p_pic = vout_CreatePicture( p_sys->p_vout, 0, 0, 0 );
+            if( p_pic )
+                break;
         }
 
 #define p_pic p_dec->p_owner->p_vout->render.pp_picture[i_pic]
         /* Check the decoder doesn't leak pictures */
-        for( i_pic = 0; i_pic < p_dec->p_owner->p_vout->render.i_pictures;
-             i_pic++ )
+        for( i_pic = 0, i_ready_pic = 0; i_pic < p_dec->p_owner->p_vout->render.i_pictures; i_pic++ )
         {
             if( p_pic->i_status == READY_PICTURE )
             {
-                if( i_ready_pic++ > 0 ) break;
-                else continue;
-            }
+                i_ready_pic++;
+                /* If we have at least 2 ready pictures, wait for the vout thread to
+                 * process one */
+                if( i_ready_pic >= 2 )
+                    break;
 
-            if( p_pic->i_status != DISPLAYED_PICTURE &&
-                p_pic->i_status != RESERVED_PICTURE &&
-                p_pic->i_status != READY_PICTURE ) break;
+                continue;
+            }
 
-            if( !p_pic->i_refcount && p_pic->i_status != RESERVED_PICTURE )
-                break;
+            if( p_pic->i_status == DISPLAYED_PICTURE )
+            {
+                /* If at least one displayed picture is not referenced
+                 * let vout free it */
+                if( p_pic->i_refcount == 0 )
+                    break;
+            }
         }
         if( i_pic == p_dec->p_owner->p_vout->render.i_pictures )
         {
+            /* Too many pictures are still referenced, there is probably a bug
+             * with the decoder */
             msg_Err( p_dec, "decoder is leaking pictures, resetting the heap" );
 
             /* Just free all the pictures */
@@ -1286,6 +1440,7 @@ static subpicture_t *spu_new_buffer( decoder_t *p_dec )
     if( p_subpic )
     {
         p_subpic->i_channel = p_sys->i_spu_channel;
+        p_subpic->b_subtitle = true;
     }
 
     vlc_object_release( p_vout );