]> git.sesse.net Git - vlc/blobdiff - src/input/decoder.c
Include assert.h when needed
[vlc] / src / input / decoder.c
index e7cdabefc3a370520ce44e71023dfe31798ebd7e..97efa3a66f3591194f11226560e7ce9bb25e476e 100644 (file)
@@ -1,7 +1,7 @@
 /*****************************************************************************
  * decoder.c: Functions for the management of decoders
  *****************************************************************************
- * Copyright (C) 1999-2004 VideoLAN
+ * Copyright (C) 1999-2004 the VideoLAN team
  * $Id$
  *
  * Authors: Christophe Massiot <massiot@via.ecp.fr>
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
 /*****************************************************************************
  * Preamble
  *****************************************************************************/
-#include <stdlib.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+#include <assert.h>
+
 #include <vlc/vlc.h>
 
-#include <vlc/decoder.h>
-#include <vlc/vout.h>
-#include <vlc/input.h>
+#include <vlc_block.h>
+#include <vlc_vout.h>
+#include <vlc_aout.h>
+#include <vlc_sout.h>
+#include <vlc_codec.h>
+#include <vlc_osd.h>
 
-#include "stream_output.h"
+#include <vlc_interface.h>
+#include "audio_output/aout_internal.h"
+#include "stream_output/stream_output.h"
 #include "input_internal.h"
 
 static decoder_t * CreateDecoder( input_thread_t *, es_format_t *, int );
@@ -54,12 +63,14 @@ static void vout_unlink_picture( decoder_t *, picture_t * );
 static subpicture_t *spu_new_buffer( decoder_t * );
 static void spu_del_buffer( decoder_t *, subpicture_t * );
 
-static es_format_t null_es_format = {0};
+static es_format_t null_es_format;
 
 struct decoder_owner_sys_t
 {
     vlc_bool_t      b_own_thread;
 
+    int64_t         i_preroll_end;
+
     input_thread_t  *p_input;
 
     aout_instance_t *p_aout;
@@ -83,8 +94,50 @@ struct decoder_owner_sys_t
 
     /* fifo */
     block_fifo_t *p_fifo;
+
+    /* CC */
+    vlc_bool_t b_cc_supported;
+    vlc_mutex_t lock_cc;
+    vlc_bool_t pb_cc_present[4];
+    decoder_t *pp_cc[4];
 };
 
+/* */
+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"), 
+                    _("VLC does not support the audio or video format \"%4.4s\". "
+                      "Unfortunately there is no way for you to fix this."), (char*)&codec );
+}
+
+/* decoder_GetInputAttachment:
+ */
+input_attachment_t *decoder_GetInputAttachment( decoder_t *p_dec,
+                                                const char *psz_name )
+{
+    input_attachment_t *p_attachment;
+    if( input_Control( p_dec->p_owner->p_input, INPUT_GET_ATTACHMENT, &p_attachment, psz_name ) )
+        return NULL;
+    return p_attachment;
+}
+/* decoder_GetInputAttachments:
+ */
+int decoder_GetInputAttachments( decoder_t *p_dec,
+                                 input_attachment_t ***ppp_attachment,
+                                 int *pi_attachment )
+{
+    return input_Control( p_dec->p_owner->p_input, INPUT_GET_ATTACHMENTS,
+                          ppp_attachment, pi_attachment );
+}
+/* decoder_GetDisplayDate:
+ */
+mtime_t decoder_GetDisplayDate( decoder_t *p_dec, mtime_t i_ts )
+{
+    return i_ts;
+}
 
 /**
  * Spawns a new decoder thread
@@ -100,13 +153,15 @@ decoder_t *input_DecoderNew( input_thread_t *p_input,
     vlc_value_t val;
 
     /* If we are in sout mode, search for packetizer module */
-    if( p_input->p_sout && !b_force_decoder )
+    if( p_input->p->p_sout && !b_force_decoder )
     {
         /* Create the decoder configuration structure */
         p_dec = CreateDecoder( p_input, fmt, VLC_OBJECT_PACKETIZER );
         if( p_dec == NULL )
         {
             msg_Err( p_input, "could not create packetizer" );
+            intf_UserFatal( p_input, VLC_FALSE, _("Streaming / Transcoding failed"),
+                            _("VLC could not open the packetizer module.") );
             return NULL;
         }
     }
@@ -117,22 +172,22 @@ decoder_t *input_DecoderNew( input_thread_t *p_input,
         if( p_dec == NULL )
         {
             msg_Err( p_input, "could not create decoder" );
+            intf_UserFatal( p_input, VLC_FALSE, _("Streaming / Transcoding failed"),
+                            _("VLC could not open the decoder module.") );
             return NULL;
         }
     }
 
     if( !p_dec->p_module )
     {
-        msg_Err( p_dec, "no suitable decoder module for fourcc `%4.4s'.\n"
-                 "VLC probably does not support this sound or video format.",
-                 (char*)&p_dec->fmt_in.i_codec );
+        DecoderUnsupportedCodec( p_dec, fmt->i_codec );
 
         DeleteDecoder( p_dec );
         vlc_object_destroy( p_dec );
         return NULL;
     }
 
-    if( p_input->p_sout && p_input->input.b_can_pace_control &&
+    if( p_input->p->p_sout && p_input->p->input.b_can_pace_control &&
         !b_force_decoder )
     {
         msg_Dbg( p_input, "stream out mode -> no decoder thread" );
@@ -156,8 +211,7 @@ decoder_t *input_DecoderNew( input_thread_t *p_input,
         if( vlc_thread_create( p_dec, "decoder", DecoderThread,
                                i_priority, VLC_FALSE ) )
         {
-            msg_Err( p_dec, "cannot spawn decoder thread \"%s\"",
-                             p_dec->p_module->psz_object_name );
+            msg_Err( p_dec, "cannot spawn decoder thread" );
             module_Unneed( p_dec, p_dec->p_module );
             DeleteDecoder( p_dec );
             vlc_object_destroy( p_dec );
@@ -177,7 +231,7 @@ decoder_t *input_DecoderNew( input_thread_t *p_input,
  */
 void input_DecoderDelete( decoder_t *p_dec )
 {
-    p_dec->b_die = VLC_TRUE;
+    vlc_object_kill( p_dec );
 
     if( p_dec->p_owner->b_own_thread )
     {
@@ -199,6 +253,14 @@ void input_DecoderDelete( decoder_t *p_dec )
         module_Unneed( p_dec, p_dec->p_module );
     }
 
+    /* */
+    if( p_dec->p_owner->b_cc_supported )
+    {
+        int i;
+        for( i = 0; i < 4; i++ )
+            input_DecoderSetCcState( p_dec, VLC_FALSE, i );
+    }
+
     /* Delete decoder configuration */
     DeleteDecoder( p_dec );
 
@@ -216,21 +278,21 @@ void input_DecoderDecode( decoder_t * p_dec, block_t *p_block )
 {
     if( p_dec->p_owner->b_own_thread )
     {
-        if( p_dec->p_owner->p_input->b_out_pace_control )
+        if( p_dec->p_owner->p_input->p->b_out_pace_control )
         {
             /* FIXME !!!!! */
             while( !p_dec->b_die && !p_dec->b_error &&
-                   p_dec->p_owner->p_fifo->i_depth > 10 )
+                   block_FifoCount( p_dec->p_owner->p_fifo ) > 10 )
             {
                 msleep( 1000 );
             }
         }
-        else if( p_dec->p_owner->p_fifo->i_size > 50000000 /* 50 MB */ )
+        else if( block_FifoSize( p_dec->p_owner->p_fifo ) > 50000000 /* 50 MB */ )
         {
             /* FIXME: ideally we would check the time amount of data
              * in the fifo instead of its size. */
             msg_Warn( p_dec, "decoder/packetizer fifo full (data not "
-                      "consummed quickly enough), resetting fifo!" );
+                      "consumed quickly enough), resetting fifo!" );
             block_FifoEmpty( p_dec->p_owner->p_fifo );
         }
 
@@ -249,19 +311,20 @@ void input_DecoderDecode( decoder_t * p_dec, block_t *p_block )
     }
 }
 
-void input_DecoderDiscontinuity( decoder_t * p_dec )
+void input_DecoderDiscontinuity( decoder_t * p_dec, vlc_bool_t b_flush )
 {
     block_t *p_null;
 
     /* Empty the fifo */
-    if( p_dec->p_owner->b_own_thread )
-    {
+    if( p_dec->p_owner->b_own_thread && b_flush )
         block_FifoEmpty( p_dec->p_owner->p_fifo );
-    }
 
     /* Send a special block */
     p_null = block_New( p_dec, 128 );
     p_null->i_flags |= BLOCK_FLAG_DISCONTINUITY;
+    /* FIXME check for p_packetizer or b_packitized from es_format_t of input ? */
+    if( p_dec->p_owner->p_packetizer && b_flush )
+        p_null->i_flags |= BLOCK_FLAG_CORRUPTED;
     memset( p_null->p_buffer, 0, p_null->i_buffer );
 
     input_DecoderDecode( p_dec, p_null );
@@ -269,88 +332,96 @@ void input_DecoderDiscontinuity( decoder_t * p_dec )
 
 vlc_bool_t input_DecoderEmpty( decoder_t * p_dec )
 {
-    if( p_dec->p_owner->b_own_thread && p_dec->p_owner->p_fifo->i_depth > 0 )
+    if( p_dec->p_owner->b_own_thread
+     && block_FifoCount( p_dec->p_owner->p_fifo ) > 0 )
     {
         return VLC_FALSE;
     }
     return VLC_TRUE;
 }
 
-#if 0
-/**
- * Create a NULL packet for padding in case of a data loss
- *
- * \param p_input the input thread
- * \param p_es es descriptor
- * \return nothing
- */
-static void input_NullPacket( input_thread_t * p_input,
-                              es_descriptor_t * p_es )
+void input_DecoderIsCcPresent( decoder_t *p_dec, vlc_bool_t pb_present[4] )
 {
-#if 0
-    block_t *p_block = block_New( p_input, PADDING_PACKET_SIZE );
-    if( p_block )
-    {
-        memset( p_block->p_buffer, 0, PADDING_PACKET_SIZE );
-        p_block->i_flags |= BLOCK_FLAG_DISCONTINUITY;
+    int i;
 
-        block_FifoPut( p_es->p_dec->p_owner->p_fifo, p_block );
-    }
-#endif
+    vlc_mutex_lock( &p_dec->p_owner->lock_cc );
+    for( i = 0; i < 4; i++ )
+        pb_present[i] =  p_dec->p_owner->pb_cc_present[i];
+    vlc_mutex_unlock( &p_dec->p_owner->lock_cc );
 }
-
-/**
- * Send a NULL packet to the decoders
- *
- * \param p_input the input thread
- * \return nothing
- */
-void input_EscapeDiscontinuity( input_thread_t * p_input )
+int input_DecoderSetCcState( decoder_t *p_dec, vlc_bool_t b_decode, int i_channel )
 {
-#if 0
-    unsigned int i_es, i;
+    decoder_owner_sys_t *p_owner = p_dec->p_owner;
 
-    for( i_es = 0; i_es < p_input->stream.i_selected_es_number; i_es++ )
-    {
-        es_descriptor_t * p_es = p_input->stream.pp_selected_es[i_es];
+    //msg_Warn( p_dec, "input_DecoderSetCcState: %d @%d", b_decode, i_channel );
+
+    if( i_channel < 0 || i_channel >= 4 || !p_owner->pb_cc_present[i_channel] )
+        return VLC_EGENERIC;
 
-        if( p_es->p_dec != NULL )
+    if( b_decode )
+    {
+        static const vlc_fourcc_t fcc[4] = {
+            VLC_FOURCC('c', 'c', '1', ' '),
+            VLC_FOURCC('c', 'c', '2', ' '),
+            VLC_FOURCC('c', 'c', '3', ' '),
+            VLC_FOURCC('c', 'c', '4', ' '),
+        };
+        decoder_t *p_cc;
+        es_format_t fmt;
+
+        es_format_Init( &fmt, SPU_ES, fcc[i_channel] );
+        p_cc = CreateDecoder( p_owner->p_input, &fmt, VLC_OBJECT_DECODER );
+        if( !p_cc )
         {
-            for( i = 0; i < PADDING_PACKET_NUMBER; i++ )
-            {
-                input_NullPacket( p_input, p_es );
-            }
+            msg_Err( p_dec, "could not create decoder" );
+            intf_UserFatal( p_dec, VLC_FALSE, _("Streaming / Transcoding failed"),
+                            _("VLC could not open the decoder module.") );
+            return VLC_EGENERIC;
+        }
+        else if( !p_cc->p_module )
+        {
+            DecoderUnsupportedCodec( p_dec, fcc[i_channel] );
+            DeleteDecoder( p_cc );
+            vlc_object_destroy( p_cc );
+            return VLC_EGENERIC;
         }
-    }
-#endif
-}
-
-/**
- * Send a NULL packet to the audio decoders
- *
- * \param p_input the input thread
- * \return nothing
- */
-void input_EscapeAudioDiscontinuity( input_thread_t * p_input )
-{
-#if 0
-    unsigned int i_es, i;
 
-    for( i_es = 0; i_es < p_input->stream.i_selected_es_number; i_es++ )
+        vlc_mutex_lock( &p_owner->lock_cc );
+        p_dec->p_owner->pp_cc[i_channel] = p_cc;
+        vlc_mutex_unlock( &p_owner->lock_cc );
+    }
+    else
     {
-        es_descriptor_t * p_es = p_input->stream.pp_selected_es[i_es];
+        decoder_t *p_cc;
 
-        if( p_es->p_dec != NULL && p_es->i_cat == AUDIO_ES )
+        vlc_mutex_lock( &p_owner->lock_cc );
+        p_cc = p_dec->p_owner->pp_cc[i_channel];
+        p_dec->p_owner->pp_cc[i_channel] = NULL;
+        vlc_mutex_unlock( &p_dec->p_owner->lock_cc );
+
+        if( p_cc )
         {
-            for( i = 0; i < PADDING_PACKET_NUMBER; i++ )
-            {
-                input_NullPacket( p_input, p_es );
-            }
+            vlc_object_kill( p_cc );
+            module_Unneed( p_cc, p_cc->p_module );
+            DeleteDecoder( p_cc );
+            vlc_object_destroy( p_cc );
         }
     }
-#endif
+    return VLC_SUCCESS;
+}
+int input_DecoderGetCcState( decoder_t *p_dec, vlc_bool_t *pb_decode, int i_channel )
+{
+    decoder_owner_sys_t *p_owner = p_dec->p_owner;
+
+    *pb_decode = VLC_FALSE;
+    if( i_channel < 0 || i_channel >= 4 || !p_owner->pb_cc_present[i_channel] )
+        return VLC_EGENERIC;
+
+    vlc_mutex_lock( &p_owner->lock_cc );
+    *pb_decode = p_dec->p_owner->pp_cc[i_channel] != NULL;
+    vlc_mutex_unlock( &p_dec->p_owner->lock_cc );
+    return VLC_EGENERIC;
 }
-#endif
 
 /**
  * Create a decoder object
@@ -364,6 +435,8 @@ static decoder_t * CreateDecoder( input_thread_t *p_input,
                                   es_format_t *fmt, int i_object_type )
 {
     decoder_t *p_dec;
+    decoder_owner_sys_t *p_owner;
+    int i;
 
     p_dec = vlc_object_create( p_input, i_object_type );
     if( p_dec == NULL )
@@ -375,30 +448,32 @@ static decoder_t * CreateDecoder( input_thread_t *p_input,
     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;
 
     /* Initialize the decoder fifo */
     p_dec->p_module = NULL;
 
-
+    memset( &null_es_format, 0, sizeof(es_format_t) );
     es_format_Copy( &p_dec->fmt_in, fmt );
     es_format_Copy( &p_dec->fmt_out, &null_es_format );
 
     /* Allocate our private structure for the decoder */
-    p_dec->p_owner = malloc( sizeof( decoder_owner_sys_t ) );
+    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" );
         return NULL;
     }
     p_dec->p_owner->b_own_thread = VLC_TRUE;
+    p_dec->p_owner->i_preroll_end = -1;
     p_dec->p_owner->p_input = p_input;
     p_dec->p_owner->p_aout = NULL;
     p_dec->p_owner->p_aout_input = NULL;
     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_sout;
+    p_dec->p_owner->p_sout = p_input->p->p_sout;
     p_dec->p_owner->p_sout_input = NULL;
     p_dec->p_owner->p_packetizer = NULL;
 
@@ -456,6 +531,39 @@ static decoder_t * CreateDecoder( input_thread_t *p_input,
         }
     }
 
+    /* Copy ourself the input replay gain */
+    if( fmt->i_cat == AUDIO_ES )
+    {
+        for( i = 0; i < AUDIO_REPLAY_GAIN_MAX; i++ )
+        {
+            if( !p_dec->fmt_out.audio_replay_gain.pb_peak[i] )
+            {
+                p_dec->fmt_out.audio_replay_gain.pb_peak[i] = fmt->audio_replay_gain.pb_peak[i];
+                p_dec->fmt_out.audio_replay_gain.pf_peak[i] = fmt->audio_replay_gain.pf_peak[i];
+            }
+            if( !p_dec->fmt_out.audio_replay_gain.pb_gain[i] )
+            {
+                p_dec->fmt_out.audio_replay_gain.pb_gain[i] = fmt->audio_replay_gain.pb_gain[i];
+                p_dec->fmt_out.audio_replay_gain.pf_gain[i] = fmt->audio_replay_gain.pf_gain[i];
+            }
+        }
+    }
+    /* */
+    p_owner->b_cc_supported = VLC_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;
+        if( p_dec->pf_get_cc )
+            p_owner->b_cc_supported = VLC_TRUE;
+    }
+
+    vlc_mutex_init( p_dec, &p_owner->lock_cc );
+    for( i = 0; i < 4; i++ )
+    {
+        p_owner->pb_cc_present[i] = VLC_FALSE;
+        p_owner->pp_cc[i] = NULL;
+    }
     return p_dec;
 }
 
@@ -497,6 +605,157 @@ static int DecoderThread( decoder_t * p_dec )
     return 0;
 }
 
+static inline void DecoderUpdatePreroll( int64_t *pi_preroll, const block_t *p )
+{
+    if( p->i_flags & (BLOCK_FLAG_PREROLL|BLOCK_FLAG_DISCONTINUITY) )
+        *pi_preroll = INT64_MAX;
+    else if( p->i_pts > 0 )
+        *pi_preroll = __MIN( *pi_preroll, p->i_pts );
+    else if( p->i_dts > 0 )
+        *pi_preroll = __MIN( *pi_preroll, p->i_dts );
+}
+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;
+
+    while( (p_aout_buf = p_dec->pf_decode_audio( p_dec, &p_block )) )
+    {
+        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 );
+            continue;
+        }
+
+        if( p_dec->p_owner->i_preroll_end > 0 )
+        {
+            /* FIXME TODO flush audio output (don't know how to do that) */
+            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 );
+    }
+}
+static void DecoderGetCc( decoder_t *p_dec, decoder_t *p_dec_cc )
+{
+    block_t *p_cc;
+    vlc_bool_t pb_present[4];
+    int i;
+    int i_cc_decoder;
+
+    assert( p_dec_cc->pf_get_cc != NULL );
+
+    /* Do not try retreiving CC if not wanted (sout) or cannot be retreived */
+    if( !p_dec->p_owner->b_cc_supported )
+        return;
+
+    p_cc = p_dec_cc->pf_get_cc( p_dec_cc, pb_present );
+    if( !p_cc )
+        return;
+
+    vlc_mutex_lock( &p_dec->p_owner->lock_cc );
+    for( i = 0, i_cc_decoder = 0; i < 4; i++ )
+    {
+        p_dec->p_owner->pb_cc_present[i] |= pb_present[i];
+        if( p_dec->p_owner->pp_cc[i] )
+            i_cc_decoder++;
+    }
+
+    for( i = 0; i < 4; i++ )
+    {
+        if( !p_dec->p_owner->pp_cc[i] )
+            continue;
+
+        if( i_cc_decoder > 1 )
+            DecoderDecode( p_dec->p_owner->pp_cc[i], block_Duplicate( p_cc ) );
+        else
+            DecoderDecode( p_dec->p_owner->pp_cc[i], p_cc );
+        i_cc_decoder--;
+    }
+    vlc_mutex_unlock( &p_dec->p_owner->lock_cc );
+}
+static void VoutDisplayedPicture( vout_thread_t *p_vout, picture_t *p_pic )
+{
+    vlc_mutex_lock( &p_vout->picture_lock );
+
+    if( p_pic->i_status == READY_PICTURE )
+    {
+        /* Grr cannot destroy ready picture by myself so be sure vout won't like it */
+        p_pic->date = 1;
+    }
+    else if( p_pic->i_refcount > 0 )
+    {
+        p_pic->i_status = DISPLAYED_PICTURE;
+    }
+    else
+    {
+        p_pic->i_status = DESTROYED_PICTURE;
+        p_vout->i_heap_size--;
+    }
+
+    vlc_mutex_unlock( &p_vout->picture_lock );
+}
+static void VoutFlushPicture( vout_thread_t *p_vout )
+{
+    int i;
+    vlc_mutex_lock( &p_vout->picture_lock );
+    for( i = 0; i < p_vout->render.i_pictures; i++ )
+    {
+        picture_t *p_pic = p_vout->render.pp_picture[i];
+
+        if( p_pic->i_status == READY_PICTURE ||
+            p_pic->i_status == DISPLAYED_PICTURE )
+        {
+            /* We cannot change picture status if it is in READY_PICTURE state,
+             * Just make sure they won't be displayed */
+            p_pic->date = 1;
+        }
+    }
+    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;
+
+    while( (p_pic = p_dec->pf_decode_video( p_dec, &p_block )) )
+    {
+        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 );
+            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 );
+            /* */
+            p_dec->p_owner->i_preroll_end = -1;
+        }
+
+        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 );
+    }
+}
+
 /**
  * Decode a block
  *
@@ -506,7 +765,8 @@ static int DecoderThread( decoder_t * p_dec )
  */
 static int DecoderDecode( decoder_t *p_dec, block_t *p_block )
 {
-    int i_rate = p_block ? p_block->i_rate : 1000;
+    decoder_owner_sys_t *p_sys = (decoder_owner_sys_t *)p_dec->p_owner;
+    const int i_rate = p_block ? p_block->i_rate : INPUT_RATE_DEFAULT;
 
     if( p_block && p_block->i_buffer <= 0 )
     {
@@ -529,6 +789,8 @@ static int DecoderDecode( decoder_t *p_dec, block_t *p_block )
                 p_dec->p_owner->sout.i_id = p_dec->fmt_in.i_id;
                 if( p_dec->fmt_in.psz_language )
                 {
+                    if( p_dec->p_owner->sout.psz_language )
+                        free( p_dec->p_owner->sout.psz_language );
                     p_dec->p_owner->sout.psz_language =
                         strdup( p_dec->fmt_in.psz_language );
                 }
@@ -539,7 +801,8 @@ static int DecoderDecode( decoder_t *p_dec, block_t *p_block )
 
                 if( p_dec->p_owner->p_sout_input == NULL )
                 {
-                    msg_Err( p_dec, "cannot create packetizer output" );
+                    msg_Err( p_dec, "cannot create packetizer output (%4.4s)",
+                             (char *)&p_dec->p_owner->sout.i_codec );
                     p_dec->b_error = VLC_TRUE;
 
                     while( p_sout_block )
@@ -567,22 +830,23 @@ static int DecoderDecode( decoder_t *p_dec, block_t *p_block )
 
             /* For now it's enough, as only sout inpact on this flag */
             if( p_dec->p_owner->p_sout->i_out_pace_nocontrol > 0 &&
-                p_dec->p_owner->p_input->b_out_pace_control )
+                p_dec->p_owner->p_input->p->b_out_pace_control )
             {
-                msg_Dbg( p_dec, "switching to synch mode" );
-                p_dec->p_owner->p_input->b_out_pace_control = VLC_FALSE;
+                msg_Dbg( p_dec, "switching to sync mode" );
+                p_dec->p_owner->p_input->p->b_out_pace_control = VLC_FALSE;
             }
             else if( p_dec->p_owner->p_sout->i_out_pace_nocontrol <= 0 &&
-                     !p_dec->p_owner->p_input->b_out_pace_control )
+                     !p_dec->p_owner->p_input->p->b_out_pace_control )
             {
-                msg_Dbg( p_dec, "switching to asynch mode" );
-                p_dec->p_owner->p_input->b_out_pace_control = VLC_TRUE;
+                msg_Dbg( p_dec, "switching to async mode" );
+                p_dec->p_owner->p_input->p->b_out_pace_control = VLC_TRUE;
             }
         }
     }
     else if( p_dec->fmt_in.i_cat == AUDIO_ES )
     {
-        aout_buffer_t *p_aout_buf;
+        if( p_block )
+            DecoderUpdatePreroll( &p_dec->p_owner->i_preroll_end, p_block );
 
         if( p_dec->p_owner->p_packetizer )
         {
@@ -590,15 +854,12 @@ static int DecoderDecode( decoder_t *p_dec, block_t *p_block )
             decoder_t *p_packetizer = p_dec->p_owner->p_packetizer;
 
             while( (p_packetized_block =
-                    p_packetizer->pf_packetize( p_packetizer, &p_block )) )
+                    p_packetizer->pf_packetize( p_packetizer, p_block ? &p_block : NULL )) )
             {
                 if( p_packetizer->fmt_out.i_extra && !p_dec->fmt_in.i_extra )
                 {
-                    p_dec->fmt_in.i_extra = p_packetizer->fmt_out.i_extra;
-                    p_dec->fmt_in.p_extra = malloc( p_dec->fmt_in.i_extra );
-                    memcpy( p_dec->fmt_in.p_extra,
-                            p_packetizer->fmt_out.p_extra,
-                            p_dec->fmt_in.i_extra );
+                    es_format_Clean( &p_dec->fmt_in );
+                    es_format_Copy( &p_dec->fmt_in, &p_packetizer->fmt_out );
                 }
 
                 while( p_packetized_block )
@@ -607,27 +868,21 @@ static int DecoderDecode( decoder_t *p_dec, block_t *p_block )
                     p_packetized_block->p_next = NULL;
                     p_packetized_block->i_rate = i_rate;
 
-                    while( (p_aout_buf = p_dec->pf_decode_audio( p_dec,
-                                                       &p_packetized_block )) )
-                    {
-                        aout_DecPlay( p_dec->p_owner->p_aout,
-                                      p_dec->p_owner->p_aout_input,
-                                      p_aout_buf );
-                    }
+                    DecoderDecodeAudio( p_dec, p_packetized_block );
 
                     p_packetized_block = p_next;
                 }
             }
         }
-        else while( (p_aout_buf = p_dec->pf_decode_audio( p_dec, &p_block )) )
+        else if( p_block )
         {
-            aout_DecPlay( p_dec->p_owner->p_aout,
-                          p_dec->p_owner->p_aout_input, p_aout_buf );
+            DecoderDecodeAudio( p_dec, p_block );
         }
     }
     else if( p_dec->fmt_in.i_cat == VIDEO_ES )
     {
-        picture_t *p_pic;
+        if( p_block )
+            DecoderUpdatePreroll( &p_dec->p_owner->i_preroll_end, p_block );
 
         if( p_dec->p_owner->p_packetizer )
         {
@@ -635,44 +890,64 @@ static int DecoderDecode( decoder_t *p_dec, block_t *p_block )
             decoder_t *p_packetizer = p_dec->p_owner->p_packetizer;
 
             while( (p_packetized_block =
-                    p_packetizer->pf_packetize( p_packetizer, &p_block )) )
+                    p_packetizer->pf_packetize( p_packetizer, p_block ? &p_block : NULL )) )
             {
+                if( p_packetizer->fmt_out.i_extra && !p_dec->fmt_in.i_extra )
+                {
+                    es_format_Clean( &p_dec->fmt_in );
+                    es_format_Copy( &p_dec->fmt_in, &p_packetizer->fmt_out );
+                }
+                if( p_packetizer->pf_get_cc )
+                    DecoderGetCc( p_dec, p_packetizer );
+
                 while( p_packetized_block )
                 {
                     block_t *p_next = p_packetized_block->p_next;
                     p_packetized_block->p_next = NULL;
                     p_packetized_block->i_rate = i_rate;
 
-                    while( (p_pic = p_dec->pf_decode_video( p_dec,
-                                                       &p_packetized_block )) )
-                    {
-                        vout_DatePicture( p_dec->p_owner->p_vout, p_pic,
-                                          p_pic->date );
-                        vout_DisplayPicture( p_dec->p_owner->p_vout, p_pic );
-                    }
+                    DecoderDecodeVideo( p_dec, p_packetized_block );
 
                     p_packetized_block = p_next;
                 }
             }
         }
-        else while( (p_pic = p_dec->pf_decode_video( p_dec, &p_block )) )
+        else if( p_block )
         {
-            vout_DatePicture( p_dec->p_owner->p_vout, p_pic, p_pic->date );
-            vout_DisplayPicture( p_dec->p_owner->p_vout, p_pic );
+            DecoderDecodeVideo( p_dec, p_block );
         }
     }
     else if( p_dec->fmt_in.i_cat == SPU_ES )
     {
+        input_thread_t *p_input = p_dec->p_owner->p_input;
         vout_thread_t *p_vout;
         subpicture_t *p_spu;
-        while( (p_spu = p_dec->pf_decode_sub( p_dec, &p_block ) ) )
+
+        if( p_block )
+            DecoderUpdatePreroll( &p_dec->p_owner->i_preroll_end, p_block );
+
+        while( (p_spu = p_dec->pf_decode_sub( p_dec, p_block ? &p_block : NULL ) ) )
         {
+            vlc_mutex_lock( &p_input->p->counters.counters_lock );
+            stats_UpdateInteger( p_dec, p_input->p->counters.p_decoded_sub, 1, NULL );
+            vlc_mutex_unlock( &p_input->p->counters.counters_lock );
+
             p_vout = vlc_object_find( p_dec, VLC_OBJECT_VOUT, FIND_ANYWHERE );
-            if( p_vout )
+            if( p_vout && p_sys->p_spu_vout == p_vout )
             {
-                spu_DisplaySubpicture( p_vout->p_spu, p_spu );
-                vlc_object_release( p_vout );
+                /* Prerool does not work very well with subtitle */
+                if( p_spu->i_start < p_dec->p_owner->i_preroll_end &&
+                    ( p_spu->i_stop <= 0 || p_spu->i_stop < p_dec->p_owner->i_preroll_end ) )
+                    spu_DestroySubpicture( p_vout->p_spu, p_spu );
+                else
+                    spu_DisplaySubpicture( p_vout->p_spu, p_spu );
             }
+            else
+            {
+                msg_Warn( p_dec, "no vout found, leaking subpicture" );
+            }
+            if( p_vout )
+                vlc_object_release( p_vout );
         }
     }
     else
@@ -692,9 +967,9 @@ static int DecoderDecode( decoder_t *p_dec, block_t *p_block )
  */
 static void DeleteDecoder( decoder_t * p_dec )
 {
-    msg_Dbg( p_dec, "killing decoder fourcc `%4.4s', %d PES in FIFO",
+    msg_Dbg( p_dec, "killing decoder fourcc `%4.4s', %u PES in FIFO",
              (char*)&p_dec->fmt_in.i_codec,
-             p_dec->p_owner->p_fifo->i_depth );
+             (unsigned)block_FifoCount( p_dec->p_owner->p_fifo ) );
 
     /* Free all packets still in the decoder fifo. */
     block_FifoEmpty( p_dec->p_owner->p_fifo );
@@ -721,7 +996,7 @@ 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, 0, 0, 0 );
+        vout_Request( p_dec, p_dec->p_owner->p_vout, 0 );
     }
 
     if( p_dec->p_owner->p_sout_input )
@@ -756,6 +1031,8 @@ static void DeleteDecoder( decoder_t * p_dec )
         vlc_object_destroy( p_dec->p_owner->p_packetizer );
     }
 
+    vlc_mutex_destroy( &p_dec->p_owner->lock_cc );
+
     vlc_object_detach( p_dec );
 
     free( p_dec->p_owner );
@@ -783,10 +1060,30 @@ static aout_buffer_t *aout_new_buffer( decoder_t *p_dec, int i_samples )
 
     if( p_sys->p_aout_input == NULL )
     {
+        audio_sample_format_t format;
+        int i_force_dolby = config_GetInt( p_dec, "force-dolby-surround" );
+
         p_dec->fmt_out.audio.i_format = p_dec->fmt_out.i_codec;
         p_sys->audio = p_dec->fmt_out.audio;
+
+        memcpy( &format, &p_sys->audio, sizeof( audio_sample_format_t ) );
+        if ( i_force_dolby && (format.i_original_channels&AOUT_CHAN_PHYSMASK)
+                                    == (AOUT_CHAN_LEFT|AOUT_CHAN_RIGHT) )
+        {
+            if ( i_force_dolby == 1 )
+            {
+                format.i_original_channels = format.i_original_channels |
+                                             AOUT_CHAN_DOLBYSTEREO;
+            }
+            else /* i_force_dolby == 2 */
+            {
+                format.i_original_channels = format.i_original_channels &
+                                             ~AOUT_CHAN_DOLBYSTEREO;
+            }
+        }
+
         p_sys->p_aout_input =
-            aout_DecNew( p_dec, &p_sys->p_aout, &p_sys->audio );
+            aout_DecNew( p_dec, &p_sys->p_aout, &format, &p_dec->fmt_out.audio_replay_gain );
         if( p_sys->p_aout_input == NULL )
         {
             msg_Err( p_dec, "failed to create audio output" );
@@ -827,15 +1124,55 @@ static picture_t *vout_new_buffer( decoder_t *p_dec )
             return NULL;
         }
 
+        if( !p_dec->fmt_out.video.i_visible_width ||
+            !p_dec->fmt_out.video.i_visible_height )
+        {
+            if( p_dec->fmt_in.video.i_visible_width &&
+                p_dec->fmt_in.video.i_visible_height )
+            {
+                p_dec->fmt_out.video.i_visible_width =
+                    p_dec->fmt_in.video.i_visible_width;
+                p_dec->fmt_out.video.i_visible_height =
+                    p_dec->fmt_in.video.i_visible_height;
+            }
+            else
+            {
+                p_dec->fmt_out.video.i_visible_width =
+                    p_dec->fmt_out.video.i_width;
+                p_dec->fmt_out.video.i_visible_height =
+                    p_dec->fmt_out.video.i_height;
+            }
+        }
+
+        if( p_dec->fmt_out.video.i_visible_height == 1088 &&
+            var_CreateGetBool( p_dec, "hdtv-fix" ) )
+        {
+            p_dec->fmt_out.video.i_visible_height = 1080;
+            p_dec->fmt_out.video.i_sar_num *= 135;
+            p_dec->fmt_out.video.i_sar_den *= 136;
+            msg_Warn( p_dec, "Fixing broken HDTV stream (display_height=1088)");
+        }
+
+        if( !p_dec->fmt_out.video.i_sar_num ||
+            !p_dec->fmt_out.video.i_sar_den )
+        {
+            p_dec->fmt_out.video.i_sar_num = p_dec->fmt_out.video.i_aspect *
+              p_dec->fmt_out.video.i_visible_height;
+
+            p_dec->fmt_out.video.i_sar_den = VOUT_ASPECT_FACTOR *
+              p_dec->fmt_out.video.i_visible_width;
+        }
+
+        vlc_ureduce( &p_dec->fmt_out.video.i_sar_num,
+                     &p_dec->fmt_out.video.i_sar_den,
+                     p_dec->fmt_out.video.i_sar_num,
+                     p_dec->fmt_out.video.i_sar_den, 50000 );
+
         p_dec->fmt_out.video.i_chroma = p_dec->fmt_out.i_codec;
         p_sys->video = p_dec->fmt_out.video;
 
         p_sys->p_vout = vout_Request( p_dec, p_sys->p_vout,
-                                      p_sys->video.i_width,
-                                      p_sys->video.i_height,
-                                      p_sys->video.i_chroma,
-                                      p_sys->video.i_aspect );
-
+                                      &p_dec->fmt_out.video );
         if( p_sys->p_vout == NULL )
         {
             msg_Err( p_dec, "failed to create video output" );
@@ -903,7 +1240,7 @@ static picture_t *vout_new_buffer( decoder_t *p_dec )
 
 static void vout_del_buffer( decoder_t *p_dec, picture_t *p_pic )
 {
-    vout_DestroyPicture( p_dec->p_owner->p_vout, p_pic );
+    VoutDisplayedPicture( p_dec->p_owner->p_vout, p_pic );
 }
 
 static void vout_link_picture( decoder_t *p_dec, picture_t *p_pic )
@@ -947,7 +1284,10 @@ static subpicture_t *spu_new_buffer( decoder_t *p_dec )
     }
 
     p_subpic = spu_CreateSubpicture( p_vout->p_spu );
-    p_subpic->i_channel = p_sys->i_spu_channel;
+    if( p_subpic )
+    {
+        p_subpic->i_channel = p_sys->i_spu_channel;
+    }
 
     vlc_object_release( p_vout );
 
@@ -956,5 +1296,20 @@ static subpicture_t *spu_new_buffer( decoder_t *p_dec )
 
 static void spu_del_buffer( decoder_t *p_dec, subpicture_t *p_subpic )
 {
-    spu_DestroySubpicture( p_dec->p_owner->p_vout->p_spu, p_subpic );
+    decoder_owner_sys_t *p_sys = (decoder_owner_sys_t *)p_dec->p_owner;
+    vout_thread_t *p_vout = NULL;
+
+    p_vout = vlc_object_find( p_dec, VLC_OBJECT_VOUT, FIND_ANYWHERE );
+    if( !p_vout || p_sys->p_spu_vout != p_vout )
+    {
+        if( p_vout )
+            vlc_object_release( p_vout );
+        msg_Warn( p_dec, "no vout found, leaking subpicture" );
+        return;
+    }
+
+    spu_DestroySubpicture( p_vout->p_spu, p_subpic );
+
+    vlc_object_release( p_vout );
 }
+