]> git.sesse.net Git - vlc/blobdiff - modules/stream_out/bridge.c
Disable crashy FS controller by default
[vlc] / modules / stream_out / bridge.c
index b2cfc522b50b065d1b508fe2d918224704ab5c01..1e0a7ada2dbcf3df5df1146e719b785e4a68d6f1 100644 (file)
@@ -1,7 +1,7 @@
 /*****************************************************************************
  * bridge.c: bridge stream output module
  *****************************************************************************
- * Copyright (C) 2005 VideoLAN
+ * Copyright (C) 2005 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>
-#include <string.h>
 
-#include <vlc/vlc.h>
-#include <vlc/sout.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_sout.h>
+#include <vlc_block.h>
 
 /*****************************************************************************
  * Module descriptor
  *****************************************************************************/
 #define ID_TEXT N_("ID")
 #define ID_LONGTEXT N_( \
-    "Specify an identifier integer for this elementary stream" )
+    "Integer identifier for this elementary stream. This will be used to " \
+    "\"find\" this stream later." )
 
 #define DELAY_TEXT N_("Delay")
 #define DELAY_LONGTEXT N_("Pictures coming from the picture video outputs " \
-        "will be delayed accordingly (in milliseconds, >= 100 ms). For high " \
-        "values you will need to raise file-caching and others.")
+        "will be delayed according to this value (in milliseconds, should be "\
+        ">= 100 ms). For high values, you will need to raise caching values." )
 
 #define ID_OFFSET_TEXT N_("ID Offset")
 #define ID_OFFSET_LONGTEXT N_("Offset to add to the stream IDs specified in " \
@@ -55,43 +60,42 @@ static void CloseIn ( vlc_object_t * );
 #define SOUT_CFG_PREFIX_IN "sout-bridge-in-"
 
 vlc_module_begin();
-    set_shortname( _("Bridge"));
-    set_description( _("Bridge stream output"));
+    set_shortname( N_("Bridge"));
+    set_description( N_("Bridge stream output"));
     add_submodule();
-    set_section( N_("Bridge out"),NULL);
+    set_section( N_("Bridge out"), NULL );
     set_capability( "sout stream", 50 );
     add_shortcut( "bridge-out" );
     /* Only usable with VLM. No category so not in gui preferences
     set_category( CAT_SOUT );
     set_subcategory( SUBCAT_SOUT_STREAM );*/
     add_integer( SOUT_CFG_PREFIX_OUT "id", 0, NULL, ID_TEXT, ID_LONGTEXT,
-                 VLC_FALSE );
+                 false );
     set_callbacks( OpenOut, CloseOut );
 
     add_submodule();
-    set_section( N_("Bridge in"),NULL);
+    set_section( N_("Bridge in"), NULL );
     set_capability( "sout stream", 50 );
     add_shortcut( "bridge-in" );
     /*set_category( CAT_SOUT );
     set_subcategory( SUBCAT_SOUT_STREAM );*/
-    add_integer( SOUT_CFG_PREFIX_IN "delay", 100, NULL, DELAY_TEXT,
-                 DELAY_LONGTEXT, VLC_FALSE );
+    add_integer( SOUT_CFG_PREFIX_IN "delay", 0, NULL, DELAY_TEXT,
+                 DELAY_LONGTEXT, false );
     add_integer( SOUT_CFG_PREFIX_IN "id-offset", 8192, NULL, ID_OFFSET_TEXT,
-                 ID_OFFSET_LONGTEXT, VLC_FALSE );
+                 ID_OFFSET_LONGTEXT, false );
     set_callbacks( OpenIn, CloseIn );
 
-    var_Create( p_module->p_libvlc, "bridge-lock", VLC_VAR_MUTEX );
 vlc_module_end();
 
 
 /*****************************************************************************
  * Local prototypes
  *****************************************************************************/
-static const char *ppsz_sout_options_out[] = {
+static const char *const ppsz_sout_options_out[] = {
     "id", NULL
 };
 
-static const char *ppsz_sout_options_in[] = {
+static const char *const ppsz_sout_options_in[] = {
     "delay", "id-offset", NULL
 };
 
@@ -108,13 +112,12 @@ typedef struct bridged_es_t
     es_format_t fmt;
     block_t *p_block;
     block_t **pp_last;
-    vlc_bool_t b_empty;
-    int i_id;
+    bool b_empty;
 
     /* bridge in part */
     sout_stream_id_t *id;
     mtime_t i_last;
-    vlc_bool_t b_changed;
+    bool b_changed;
 } bridged_es_t;
 
 typedef struct bridge_t
@@ -126,18 +129,17 @@ typedef struct bridge_t
 #define GetBridge(a) __GetBridge( VLC_OBJECT(a) )
 static bridge_t *__GetBridge( vlc_object_t *p_object )
 {
-    libvlc_t *p_libvlc = p_object->p_libvlc;
     bridge_t *p_bridge;
     vlc_value_t val;
 
-    if( var_Get( p_libvlc, "bridge-struct", &val ) != VLC_SUCCESS )
+    if( var_Get( p_object->p_libvlc, "bridge-struct", &val ) )
     {
         p_bridge = NULL;
     }
     else
     {
         p_bridge = val.p_address;
-    }    
+    }
 
     return p_bridge;
 }
@@ -150,9 +152,9 @@ static bridge_t *__GetBridge( vlc_object_t *p_object )
 typedef struct out_sout_stream_sys_t
 {
     vlc_mutex_t *p_lock;
+    bridged_es_t *p_es;
     int i_id;
-    vlc_bool_t b_inited;
-    int i_position;
+    bool b_inited;
 } out_sout_stream_sys_t;
 
 /*****************************************************************************
@@ -160,16 +162,17 @@ typedef struct out_sout_stream_sys_t
  *****************************************************************************/
 static int OpenOut( vlc_object_t *p_this )
 {
-    sout_stream_t     *p_stream = (sout_stream_t*)p_this;
+    sout_stream_t     *p_stream = (sout_stream_t *)p_this;
     out_sout_stream_sys_t *p_sys;
     vlc_value_t val;
 
-    sout_CfgParse( p_stream, SOUT_CFG_PREFIX_OUT, ppsz_sout_options_out,
+    config_ChainParse( p_stream, SOUT_CFG_PREFIX_OUT, ppsz_sout_options_out,
                    p_stream->p_cfg );
 
     p_sys          = malloc( sizeof( out_sout_stream_sys_t ) );
-    p_sys->b_inited = VLC_FALSE;
+    p_sys->b_inited = false;
 
+    var_Create( p_this->p_libvlc, "bridge-lock", VLC_VAR_MUTEX );
     var_Get( p_this->p_libvlc, "bridge-lock", &val );
     p_sys->p_lock = val.p_address;
 
@@ -182,7 +185,6 @@ static int OpenOut( vlc_object_t *p_this )
 
     p_stream->p_sys     = (sout_stream_sys_t *)p_sys;
 
-    /* update p_sout->i_out_pace_nocontrol */
     p_stream->p_sout->i_out_pace_nocontrol++;
 
     return VLC_SUCCESS;
@@ -212,14 +214,14 @@ static sout_stream_id_t * AddOut( sout_stream_t *p_stream, es_format_t *p_fmt )
     {
         return NULL;
     }
-    p_sys->b_inited = VLC_TRUE;
+    p_sys->b_inited = true;
 
     vlc_mutex_lock( p_sys->p_lock );
 
     p_bridge = GetBridge( p_stream );
     if ( p_bridge == NULL )
     {
-        libvlc_t *p_libvlc = p_stream->p_libvlc;
+        vlc_object_t *p_libvlc = VLC_OBJECT( p_stream->p_libvlc );
         vlc_value_t val;
 
         p_bridge = malloc( sizeof( bridge_t ) );
@@ -243,26 +245,24 @@ static sout_stream_id_t * AddOut( sout_stream_t *p_stream, es_format_t *p_fmt )
         p_bridge->pp_es = realloc( p_bridge->pp_es,
                                    (p_bridge->i_es_num + 1)
                                      * sizeof(bridged_es_t *) );
-        p_sys->i_position = p_bridge->i_es_num;
         p_bridge->i_es_num++;
         p_bridge->pp_es[i] = malloc( sizeof(bridged_es_t) );
     }
-    else
-        p_sys->i_position = i;
 
-    p_es = p_bridge->pp_es[ p_sys->i_position ];
+    p_sys->p_es = p_es = p_bridge->pp_es[i];
+
     p_es->fmt = *p_fmt;
     p_es->fmt.i_id = p_sys->i_id;
     p_es->p_block = NULL;
     p_es->pp_last = &p_es->p_block;
-    p_es->b_empty = VLC_FALSE;
+    p_es->b_empty = false;
 
     p_es->id = NULL;
     p_es->i_last = 0;
-    p_es->b_changed = VLC_TRUE;
+    p_es->b_changed = true;
 
     msg_Dbg( p_stream, "bridging out input codec=%4.4s id=%d pos=%d",
-             (char*)&p_es->fmt.i_codec, p_es->fmt.i_id, p_sys->i_position );
+             (char*)&p_es->fmt.i_codec, p_es->fmt.i_id, i );
 
     vlc_mutex_unlock( p_sys->p_lock );
 
@@ -271,8 +271,8 @@ static sout_stream_id_t * AddOut( sout_stream_t *p_stream, es_format_t *p_fmt )
 
 static int DelOut( sout_stream_t *p_stream, sout_stream_id_t *id )
 {
+    VLC_UNUSED(id);
     out_sout_stream_sys_t *p_sys = (out_sout_stream_sys_t *)p_stream->p_sys;
-    bridge_t *p_bridge;
     bridged_es_t *p_es;
 
     if ( !p_sys->b_inited )
@@ -282,16 +282,17 @@ static int DelOut( sout_stream_t *p_stream, sout_stream_id_t *id )
 
     vlc_mutex_lock( p_sys->p_lock );
 
-    p_bridge = GetBridge( p_stream );
-    p_es = p_bridge->pp_es[ p_sys->i_position ];
+    p_es = p_sys->p_es;
 
-    p_es->b_empty = VLC_TRUE;
+    p_es->b_empty = true;
     block_ChainRelease( p_es->p_block );
-    p_es->p_block = VLC_FALSE;
+    p_es->p_block = false;
 
-    p_es->b_changed = VLC_TRUE;
+    p_es->b_changed = true;
     vlc_mutex_unlock( p_sys->p_lock );
 
+    p_sys->b_inited = false;
+
     return VLC_SUCCESS;
 }
 
@@ -299,7 +300,6 @@ static int SendOut( sout_stream_t *p_stream, sout_stream_id_t *id,
                     block_t *p_buffer )
 {
     out_sout_stream_sys_t *p_sys = (out_sout_stream_sys_t *)p_stream->p_sys;
-    bridge_t *p_bridge;
     bridged_es_t *p_es;
 
     if ( (out_sout_stream_sys_t *)id != p_sys )
@@ -310,8 +310,7 @@ static int SendOut( sout_stream_t *p_stream, sout_stream_id_t *id,
 
     vlc_mutex_lock( p_sys->p_lock );
 
-    p_bridge = GetBridge( p_stream );
-    p_es = p_bridge->pp_es[ p_sys->i_position ];
+    p_es = p_sys->p_es;
     *p_es->pp_last = p_buffer;
     while ( p_buffer != NULL )
     {
@@ -356,9 +355,10 @@ static int OpenIn( vlc_object_t *p_this )
         return VLC_EGENERIC;
     }
 
-    sout_CfgParse( p_stream, SOUT_CFG_PREFIX_IN, ppsz_sout_options_in,
+    config_ChainParse( p_stream, SOUT_CFG_PREFIX_IN, ppsz_sout_options_in,
                    p_stream->p_cfg );
 
+    var_Create( p_this->p_libvlc, "bridge-lock", VLC_VAR_MUTEX );
     var_Get( p_this->p_libvlc, "bridge-lock", &val );
     p_sys->p_lock = val.p_address;
 
@@ -413,7 +413,7 @@ static int SendIn( sout_stream_t *p_stream, sout_stream_id_t *id,
 {
     in_sout_stream_sys_t *p_sys = (in_sout_stream_sys_t *)p_stream->p_sys;
     bridge_t *p_bridge;
-    vlc_bool_t b_no_es = VLC_TRUE;
+    bool b_no_es = true;
     int i;
 
     /* First forward the packet for our own ES */
@@ -432,14 +432,17 @@ static int SendIn( sout_stream_t *p_stream, sout_stream_id_t *id,
     for ( i = 0; i < p_bridge->i_es_num; i++ )
     {
         if ( !p_bridge->pp_es[i]->b_empty )
-            b_no_es = VLC_FALSE;
+            b_no_es = false;
 
         while ( p_bridge->pp_es[i]->p_block != NULL
-                 && (p_bridge->pp_es[i]->p_block->i_dts < mdate()
+                 && (p_bridge->pp_es[i]->p_block->i_dts + p_sys->i_delay
+                       < mdate()
                       || p_bridge->pp_es[i]->p_block->i_dts + p_sys->i_delay
                           < p_bridge->pp_es[i]->i_last) )
         {
             block_t *p_block = p_bridge->pp_es[i]->p_block;
+            msg_Dbg( p_stream, "dropping a packet (%"PRId64 ")",
+                     mdate() - p_block->i_dts - p_sys->i_delay );
             p_bridge->pp_es[i]->p_block
                 = p_bridge->pp_es[i]->p_block->p_next;
             block_Release( p_block );
@@ -458,7 +461,9 @@ static int SendIn( sout_stream_t *p_stream, sout_stream_id_t *id,
             }
             else
             {
-                if ( p_bridge->pp_es[i]->p_block == NULL )
+                /* We need at least two packets to enter the mux. */
+                if ( p_bridge->pp_es[i]->p_block == NULL
+                      || p_bridge->pp_es[i]->p_block->p_next == NULL )
                 {
                     continue;
                 }
@@ -476,7 +481,7 @@ static int SendIn( sout_stream_t *p_stream, sout_stream_id_t *id,
                          p_bridge->pp_es[i]->fmt.i_id, i );
             }
         }
-        p_bridge->pp_es[i]->b_changed = VLC_FALSE;
+        p_bridge->pp_es[i]->b_changed = false;
 
         if ( p_bridge->pp_es[i]->b_empty )
             continue;
@@ -488,7 +493,7 @@ static int SendIn( sout_stream_t *p_stream, sout_stream_id_t *id,
             {
                 p_sys->p_out->pf_del( p_sys->p_out, p_bridge->pp_es[i]->id );
                 p_bridge->pp_es[i]->fmt.i_id -= p_sys->i_id_offset;
-                p_bridge->pp_es[i]->b_changed = VLC_TRUE;
+                p_bridge->pp_es[i]->b_changed = true;
                 p_bridge->pp_es[i]->id = NULL;
             }
             continue;
@@ -497,10 +502,9 @@ static int SendIn( sout_stream_t *p_stream, sout_stream_id_t *id,
         if ( p_bridge->pp_es[i]->id != NULL )
         {
             block_t *p_block = p_bridge->pp_es[i]->p_block;
-            p_bridge->pp_es[i]->i_last = p_bridge->pp_es[i]->p_block->i_dts
-                                   + p_bridge->pp_es[i]->p_block->i_length;
             while ( p_block != NULL )
             {
+                p_bridge->pp_es[i]->i_last = p_block->i_dts;
                 p_block->i_pts += p_sys->i_delay;
                 p_block->i_dts += p_sys->i_delay;
                 p_block = p_block->p_next;
@@ -519,7 +523,7 @@ static int SendIn( sout_stream_t *p_stream, sout_stream_id_t *id,
 
     if( b_no_es )
     {
-        libvlc_t *p_libvlc = p_stream->p_libvlc;
+        vlc_object_t *p_libvlc = VLC_OBJECT( p_stream->p_libvlc );
         for ( i = 0; i < p_bridge->i_es_num; i++ )
             free( p_bridge->pp_es[i] );
         free( p_bridge->pp_es );