]> git.sesse.net Git - vlc/blobdiff - src/stream_output/stream_output.c
libvlc: use vlc_common.h (libvlccore) instead of vlc/vlc.h
[vlc] / src / stream_output / stream_output.c
index dc586418eabd50b02bcce1b795d3a6ee47c67811..c018afc7751f43f2ec68021fb029a11cf0ab81cf 100644 (file)
  * Preamble
  *****************************************************************************/
 
-#include <vlc/vlc.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
 
 #include <stdlib.h>                                                /* free() */
 #include <stdio.h>                                              /* sprintf() */
-#include <string.h>                                            /* strerror() */
+#include <string.h>
 
 #include <vlc_sout.h>
 #include <vlc_playlist.h>
@@ -48,7 +52,7 @@
  *****************************************************************************/
 #define sout_stream_url_to_chain( p, s ) \
     _sout_stream_url_to_chain( VLC_OBJECT(p), s )
-static char *_sout_stream_url_to_chain( vlc_object_t *, char * );
+static char *_sout_stream_url_to_chain( vlc_object_t *, const char * );
 
 /*
  * Generic MRL parser
@@ -73,45 +77,6 @@ static void mrl_Clean( mrl_t *p_mrl );
 sout_instance_t *__sout_NewInstance( vlc_object_t *p_parent, char * psz_dest )
 {
     sout_instance_t *p_sout;
-    vlc_value_t keep;
-
-    if( var_Get( p_parent, "sout-keep", &keep ) >= 0 && keep.b_bool )
-    {
-        /* Remove the sout from the playlist garbage collector */
-        playlist_t *p_playlist = pl_Yield( p_parent );
-
-        vlc_mutex_lock( &p_playlist->gc_lock );
-        p_sout = vlc_object_find( p_playlist, VLC_OBJECT_SOUT, FIND_CHILD );
-        if( p_sout && p_sout->p_parent != (vlc_object_t *)p_playlist )
-        {
-            vlc_object_release( p_sout );
-            p_sout = NULL;
-        }
-        if( p_sout )
-            vlc_object_detach( p_sout );    /* Remove it from the GC */
-        vlc_mutex_unlock( &p_playlist->gc_lock );
-
-        pl_Release( p_parent );
-
-        /* */
-
-        if( p_sout )
-        {
-            if( !strcmp( p_sout->psz_sout, psz_dest ) )
-            {
-                msg_Dbg( p_parent, "sout keep: reusing sout" );
-                msg_Dbg( p_parent, "sout keep: you probably want to use "
-                          "gather stream_out" );
-                vlc_object_attach( p_sout, p_parent );
-                vlc_object_release( p_sout );
-                return p_sout;
-            }
-
-            msg_Dbg( p_parent, "sout keep: destroying unusable sout" );
-            vlc_object_release( p_sout );
-            sout_DeleteInstance( p_sout );
-        }
-    }
 
     /* *** Allocate descriptor *** */
     p_sout = vlc_object_create( p_parent, VLC_OBJECT_SOUT );
@@ -127,7 +92,7 @@ sout_instance_t *__sout_NewInstance( vlc_object_t *p_parent, char * psz_dest )
     p_sout->i_out_pace_nocontrol = 0;
     p_sout->p_sys       = NULL;
 
-    vlc_mutex_init( p_sout, &p_sout->lock );
+    vlc_mutex_init( &p_sout->lock );
     if( psz_dest && psz_dest[0] == '#' )
     {
         p_sout->psz_chain = strdup( &psz_dest[1] );
@@ -142,8 +107,11 @@ sout_instance_t *__sout_NewInstance( vlc_object_t *p_parent, char * psz_dest )
     /* attach it for inherit */
     vlc_object_attach( p_sout, p_parent );
 
-    p_sout->p_stream = sout_StreamNew( p_sout, p_sout->psz_chain );
+    /* */
+    var_Create( p_sout, "sout-mux-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 
+    /* */
+    p_sout->p_stream = sout_StreamNew( p_sout, p_sout->psz_chain );
     if( p_sout->p_stream == NULL )
     {
         msg_Err( p_sout, "stream chain failed for `%s'", p_sout->psz_chain );
@@ -152,7 +120,7 @@ sout_instance_t *__sout_NewInstance( vlc_object_t *p_parent, char * psz_dest )
         FREENULL( p_sout->psz_chain );
 
         vlc_object_detach( p_sout );
-        vlc_object_destroy( p_sout );
+        vlc_object_release( p_sout );
         return NULL;
     }
 
@@ -164,9 +132,6 @@ sout_instance_t *__sout_NewInstance( vlc_object_t *p_parent, char * psz_dest )
  *****************************************************************************/
 void sout_DeleteInstance( sout_instance_t * p_sout )
 {
-    /* Unlink object */
-    vlc_object_detach( p_sout );
-
     /* remove the stream out chain */
     sout_StreamDelete( p_sout->p_stream );
 
@@ -183,9 +148,62 @@ void sout_DeleteInstance( sout_instance_t * p_sout )
     vlc_mutex_destroy( &p_sout->lock );
 
     /* *** free structure *** */
-    vlc_object_destroy( p_sout );
+    vlc_object_release( p_sout );
 }
 
+/*****************************************************************************
+ * 
+ *****************************************************************************/
+void sout_UpdateStatistic( sout_instance_t *p_sout, sout_statistic_t i_type, int i_delta )
+{
+    input_thread_t *p_input;
+    int i_bytes; /* That's pretty stupid to define it as an integer, it will overflow
+                    really fast ... */
+
+    if( !libvlc_stats (p_sout) )
+        return;
+
+    /* FIXME that's ugly
+     * TODO add a private (ie not VLC_EXPORTed) input_UpdateStatistic for that */
+    p_input = vlc_object_find( p_sout, VLC_OBJECT_INPUT, FIND_PARENT );
+    if( !p_input || p_input->i_state == INIT_S || p_input->i_state == ERROR_S )
+        return;
+
+    switch( i_type )
+    {
+#define I(c) stats_UpdateInteger( p_input, p_input->p->counters.c, i_delta, NULL )
+    case SOUT_STATISTIC_DECODED_VIDEO:
+        I(p_decoded_video);
+        break;
+    case SOUT_STATISTIC_DECODED_AUDIO:
+        I(p_decoded_audio);
+        break;
+    case SOUT_STATISTIC_DECODED_SUBTITLE:
+        I(p_decoded_sub);
+        break;
+#if 0
+    case SOUT_STATISTIC_ENCODED_VIDEO:
+    case SOUT_STATISTIC_ENCODED_AUDIO:
+    case SOUT_STATISTIC_ENCODED_SUBTITLE:
+        msg_Warn( p_sout, "Not yet supported statistic type %d", i_type );
+        break;
+#endif
+
+    case SOUT_STATISTIC_SENT_PACKET:
+        I(p_sout_sent_packets);
+        break;
+#undef I
+    case SOUT_STATISTIC_SENT_BYTE:
+        if( !stats_UpdateInteger( p_input, p_input->p->counters.p_sout_sent_bytes, i_delta, &i_bytes ) )
+            stats_UpdateFloat( p_input, p_input->p->counters.p_sout_send_bitrate, i_bytes, NULL );
+        break;
+
+    default:
+        msg_Err( p_sout, "Invalid statistic type %d (internal error)", i_type );
+        break;
+    }
+    vlc_object_release( p_input );
+}
 /*****************************************************************************
  * Packetizer/Input
  *****************************************************************************/
@@ -194,13 +212,14 @@ sout_packetizer_input_t *sout_InputNew( sout_instance_t *p_sout,
 {
     sout_packetizer_input_t *p_input;
 
-    msg_Dbg( p_sout, "adding a new input" );
-
     /* *** create a packetizer input *** */
     p_input         = malloc( sizeof( sout_packetizer_input_t ) );
+    if( !p_input )  return NULL;
     p_input->p_sout = p_sout;
     p_input->p_fmt  = p_fmt;
 
+    msg_Dbg( p_sout, "adding a new sout input (sout_input:%p)", p_input );
+
     if( p_fmt->i_codec == VLC_FOURCC( 'n', 'u', 'l', 'l' ) )
     {
         vlc_object_release( p_sout );
@@ -228,7 +247,7 @@ int sout_InputDelete( sout_packetizer_input_t *p_input )
 {
     sout_instance_t     *p_sout = p_input->p_sout;
 
-    msg_Dbg( p_sout, "removing an input" );
+    msg_Dbg( p_sout, "removing a sout input (sout_input:%p)", p_input );
 
     if( p_input->p_fmt->i_codec != VLC_FOURCC( 'n', 'u', 'l', 'l' ) )
     {
@@ -289,10 +308,7 @@ sout_access_out_t *sout_AccessOutNew( sout_instance_t *p_sout,
 
     psz_next = config_ChainCreate( &p_access->psz_access, &p_access->p_cfg,
                                    psz_access );
-    if( psz_next )
-    {
-        free( psz_next );
-    }
+    free( psz_next );
     p_access->psz_path   = strdup( psz_name ? psz_name : "" );
     p_access->p_sout     = p_sout;
     p_access->p_sys = NULL;
@@ -308,14 +324,14 @@ sout_access_out_t *sout_AccessOutNew( sout_instance_t *p_sout,
     vlc_object_attach( p_access, p_sout );
 
     p_access->p_module   =
-        module_Need( p_access, "sout access", p_access->psz_access, VLC_TRUE );
+        module_Need( p_access, "sout access", p_access->psz_access, true );
 
     if( !p_access->p_module )
     {
         free( p_access->psz_access );
         free( p_access->psz_path );
         vlc_object_detach( p_access );
-        vlc_object_destroy( p_access );
+        vlc_object_release( p_access );
         return( NULL );
     }
 
@@ -337,7 +353,7 @@ void sout_AccessOutDelete( sout_access_out_t *p_access )
 
     free( p_access->psz_path );
 
-    vlc_object_destroy( p_access );
+    vlc_object_release( p_access );
 }
 
 /*****************************************************************************
@@ -351,7 +367,7 @@ int sout_AccessOutSeek( sout_access_out_t *p_access, off_t i_pos )
 /*****************************************************************************
  * sout_AccessRead:
  *****************************************************************************/
-int sout_AccessOutRead( sout_access_out_t *p_access, block_t *p_buffer )
+ssize_t sout_AccessOutRead( sout_access_out_t *p_access, block_t *p_buffer )
 {
     return( p_access->pf_read ?
             p_access->pf_read( p_access, p_buffer ) : VLC_EGENERIC );
@@ -360,28 +376,16 @@ int sout_AccessOutRead( sout_access_out_t *p_access, block_t *p_buffer )
 /*****************************************************************************
  * sout_AccessWrite:
  *****************************************************************************/
-int sout_AccessOutWrite( sout_access_out_t *p_access, block_t *p_buffer )
+ssize_t sout_AccessOutWrite( sout_access_out_t *p_access, block_t *p_buffer )
 {
-    int i_total = 0;
+    const unsigned i_packets_gather = 30;
     p_access->i_writes++;
     p_access->i_sent_bytes += p_buffer->i_buffer;
-    if( p_access->p_libvlc->b_stats && p_access->i_writes % 30 == 0 )
+    if( (p_access->i_writes % i_packets_gather) == 0 )
     {
-        /* Access_out -> sout_instance -> input_thread_t */
-        input_thread_t *p_input =
-            (input_thread_t *)vlc_object_find( p_access, VLC_OBJECT_INPUT,
-                                               FIND_PARENT );
-        if( p_input )
-        {
-            stats_UpdateInteger( p_input, p_input->p->counters.p_sout_sent_packets,
-                                30, NULL );
-            stats_UpdateInteger( p_input, p_input->p->counters.p_sout_sent_bytes,
-                                 p_access->i_sent_bytes, &i_total );
-            stats_UpdateFloat( p_input, p_input->p->counters.p_sout_send_bitrate,
-                                (float)i_total, NULL );
-            p_access->i_sent_bytes = 0;
-            vlc_object_release( p_input );
-        }
+        sout_UpdateStatistic( p_access->p_sout, SOUT_STATISTIC_SENT_PACKET, i_packets_gather );
+        sout_UpdateStatistic( p_access->p_sout, SOUT_STATISTIC_SENT_BYTE, p_access->i_sent_bytes );
+        p_access->i_sent_bytes = 0;
     }
     return p_access->pf_write( p_access, p_buffer );
 }
@@ -413,7 +417,7 @@ sout_mux_t * sout_MuxNew( sout_instance_t *p_sout, char *psz_mux,
 
     p_mux->p_sout = p_sout;
     psz_next = config_ChainCreate( &p_mux->psz_mux, &p_mux->p_cfg, psz_mux );
-    if( psz_next ) free( psz_next );
+    free( psz_next );
 
     p_mux->p_access     = p_access;
     p_mux->pf_control   = NULL;
@@ -426,58 +430,58 @@ sout_mux_t * sout_MuxNew( sout_instance_t *p_sout, char *psz_mux,
     p_mux->p_sys        = NULL;
     p_mux->p_module     = NULL;
 
-    p_mux->b_add_stream_any_time = VLC_FALSE;
-    p_mux->b_waiting_stream = VLC_TRUE;
+    p_mux->b_add_stream_any_time = false;
+    p_mux->b_waiting_stream = true;
     p_mux->i_add_stream_start = -1;
 
     vlc_object_attach( p_mux, p_sout );
 
     p_mux->p_module =
-        module_Need( p_mux, "sout mux", p_mux->psz_mux, VLC_TRUE );
+        module_Need( p_mux, "sout mux", p_mux->psz_mux, true );
 
     if( p_mux->p_module == NULL )
     {
         FREENULL( p_mux->psz_mux );
 
         vlc_object_detach( p_mux );
-        vlc_object_destroy( p_mux );
+        vlc_object_release( p_mux );
         return NULL;
     }
 
     /* *** probe mux capacity *** */
     if( p_mux->pf_control )
     {
-        int b_answer = VLC_FALSE;
+        int b_answer = false;
 
         if( sout_MuxControl( p_mux, MUX_CAN_ADD_STREAM_WHILE_MUXING,
                              &b_answer ) )
         {
-            b_answer = VLC_FALSE;
+            b_answer = false;
         }
 
         if( b_answer )
         {
             msg_Dbg( p_sout, "muxer support adding stream at any time" );
-            p_mux->b_add_stream_any_time = VLC_TRUE;
-            p_mux->b_waiting_stream = VLC_FALSE;
+            p_mux->b_add_stream_any_time = true;
+            p_mux->b_waiting_stream = false;
 
             /* If we control the output pace then it's better to wait before
              * starting muxing (generates better streams/files). */
             if( !p_sout->i_out_pace_nocontrol )
             {
-                b_answer = VLC_TRUE;
+                b_answer = true;
             }
             else if( sout_MuxControl( p_mux, MUX_GET_ADD_STREAM_WAIT,
                                       &b_answer ) )
             {
-                b_answer = VLC_FALSE;
+                b_answer = false;
             }
 
             if( b_answer )
             {
                 msg_Dbg( p_sout, "muxer prefers to wait for all ES before "
                          "starting to mux" );
-                p_mux->b_waiting_stream = VLC_TRUE;
+                p_mux->b_waiting_stream = true;
             }
         }
     }
@@ -499,7 +503,7 @@ void sout_MuxDelete( sout_mux_t *p_mux )
 
     config_ChainDestroy( p_mux->p_cfg );
 
-    vlc_object_destroy( p_mux );
+    vlc_object_release( p_mux );
 }
 
 /*****************************************************************************
@@ -512,7 +516,7 @@ sout_input_t *sout_MuxAddStream( sout_mux_t *p_mux, es_format_t *p_fmt )
     if( !p_mux->b_add_stream_any_time && !p_mux->b_waiting_stream )
     {
         msg_Err( p_mux, "cannot add a new stream (unsupported while muxing "
-                        "to this format)" );
+                        "to this format). You can try increasing sout-mux-caching value" );
         return NULL;
     }
 
@@ -520,19 +524,24 @@ sout_input_t *sout_MuxAddStream( sout_mux_t *p_mux, es_format_t *p_fmt )
 
     /* create a new sout input */
     p_input = malloc( sizeof( sout_input_t ) );
+    if( !p_input )
+    {
+        msg_Err( p_mux, "out of memory" );
+        return NULL;
+    }
     p_input->p_sout = p_mux->p_sout;
     p_input->p_fmt  = p_fmt;
-    p_input->p_fifo = block_FifoNew( p_mux->p_sout );
+    p_input->p_fifo = block_FifoNew();
     p_input->p_sys  = NULL;
 
     TAB_APPEND( p_mux->i_nb_inputs, p_mux->pp_inputs, p_input );
     if( p_mux->pf_addstream( p_mux, p_input ) < 0 )
     {
-            msg_Err( p_mux, "cannot add this stream" );
-            TAB_REMOVE( p_mux->i_nb_inputs, p_mux->pp_inputs, p_input );
-            block_FifoRelease( p_input->p_fifo );
-            free( p_input );
-            return NULL;
+        msg_Err( p_mux, "cannot add this stream" );
+        TAB_REMOVE( p_mux->i_nb_inputs, p_mux->pp_inputs, p_input );
+        block_FifoRelease( p_input->p_fifo );
+        free( p_input );
+        return NULL;
     }
 
     return p_input;
@@ -545,11 +554,12 @@ void sout_MuxDeleteStream( sout_mux_t *p_mux, sout_input_t *p_input )
 {
     int i_index;
 
-    if( p_mux->b_waiting_stream && p_input->p_fifo->i_depth > 0 )
+    if( p_mux->b_waiting_stream
+     && block_FifoCount( p_input->p_fifo ) > 0 )
     {
         /* We stop waiting, and call the muxer for taking care of the data
          * before we remove this es */
-        p_mux->b_waiting_stream = VLC_FALSE;
+        p_mux->b_waiting_stream = false;
         p_mux->pf_mux( p_mux );
     }
 
@@ -586,28 +596,22 @@ void sout_MuxSendBuffer( sout_mux_t *p_mux, sout_input_t *p_input,
     {
         mtime_t current_date = mdate();
         if ( current_date > p_buffer->i_dts )
-            msg_Warn( p_mux, "late buffer for mux input ("I64Fd")",
+            msg_Warn( p_mux, "late buffer for mux input (%"PRId64")",
                       current_date - p_buffer->i_dts );
     }
 
     if( p_mux->b_waiting_stream )
     {
+        const int64_t i_caching = var_GetInteger( p_mux->p_sout, "sout-mux-caching" ) * INT64_C(1000);
+
         if( p_mux->i_add_stream_start < 0 )
-        {
             p_mux->i_add_stream_start = p_buffer->i_dts;
-        }
 
-        if( p_mux->i_add_stream_start >= 0 &&
-            p_mux->i_add_stream_start + I64C(1500000) < p_buffer->i_dts )
-        {
-            /* Wait until we have more than 1.5 seconds worth of data
-             * before start muxing */
-            p_mux->b_waiting_stream = VLC_FALSE;
-        }
-        else
-        {
+        /* Wait until we have enought data before muxing */
+        if( p_mux->i_add_stream_start < 0 ||
+            p_buffer->i_dts < p_mux->i_add_stream_start + i_caching )
             return;
-        }
+        p_mux->b_waiting_stream = false;
     }
     p_mux->pf_mux( p_mux );
 }
@@ -758,41 +762,6 @@ static void mrl_Clean( mrl_t *p_mrl )
  *  return a pointer on the rest
  *  XXX: psz_chain is modified
  */
-#define SKIPSPACE( p ) { while( *p && ( *p == ' ' || *p == '\t' ) ) p++; }
-#define SKIPTRAILINGSPACE( p, e ) \
-    { while( e > p && ( *(e-1) == ' ' || *(e-1) == '\t' ) ) e--; }
-
-/* go accross " " and { } */
-static char *_get_chain_end( char *str )
-{
-    char c, *p = str;
-
-    SKIPSPACE( p );
-
-    for( ;; )
-    {
-        if( !*p || *p == ',' || *p == '}' ) return p;
-
-        if( *p != '{' && *p != '"' && *p != '\'' )
-        {
-            p++;
-            continue;
-        }
-
-        if( *p == '{' ) c = '}';
-        else c = *p;
-        p++;
-
-        for( ;; )
-        {
-            if( !*p ) return p;
-
-            if( *p == c ) return ++p;
-            else if( *p == '{' && c == '}' ) p = _get_chain_end( p );
-            else p++;
-        }
-    }
-}
 
 /*
  * XXX name and p_cfg are used (-> do NOT free them)
@@ -826,7 +795,7 @@ sout_stream_t *sout_StreamNew( sout_instance_t *p_sout, char *psz_chain )
     vlc_object_attach( p_stream, p_sout );
 
     p_stream->p_module =
-        module_Need( p_stream, "sout stream", p_stream->psz_name, VLC_TRUE );
+        module_Need( p_stream, "sout stream", p_stream->psz_name, true );
 
     if( !p_stream->p_module )
     {
@@ -850,32 +819,52 @@ void sout_StreamDelete( sout_stream_t *p_stream )
     config_ChainDestroy( p_stream->p_cfg );
 
     msg_Dbg( p_stream, "destroying chain done" );
-    vlc_object_destroy( p_stream );
+    vlc_object_release( p_stream );
 }
 
-static char *_sout_stream_url_to_chain( vlc_object_t *p_this, char *psz_url )
+static char *_sout_stream_url_to_chain( vlc_object_t *p_this,
+                                        const char *psz_url )
 {
     mrl_t       mrl;
-    char        *psz_chain, *p;
+    char        *psz_chain;
+    const char  *fmt = "standard{mux=\"%s\",access=\"%s\",dst=\"%s\"}";
+    static const char rtpfmt[] = "rtp{mux=\"%s\",proto=\"%s\",dst=\"%s\"}";
 
     mrl_Parse( &mrl, psz_url );
-    p = psz_chain = malloc( 500 + strlen( mrl.psz_way ) +
-                                  strlen( mrl.psz_access ) +
-                                  strlen( mrl.psz_name ) );
-
 
-    if( config_GetInt( p_this, "sout-display" ) )
+    /* Check if the URLs goes #rtp - otherwise we'll use #standard */
+    if (strcmp (mrl.psz_access, "rtp") == 0)
     {
-        p += sprintf( p, "duplicate{dst=display,dst=std{mux=\"%s\","
-                      "access=\"%s\",dst=\"%s\"}}",
-                      mrl.psz_way, mrl.psz_access, mrl.psz_name );
+        /* For historical reasons, rtp:// means RTP over UDP */
+        strcpy (mrl.psz_access, "udp");
+        fmt = rtpfmt;
     }
     else
     {
-        p += sprintf( p, "std{mux=\"%s\",access=\"%s\",dst=\"%s\"}",
-                      mrl.psz_way, mrl.psz_access, mrl.psz_name );
+        static const char list[] = "dccp\0sctp\0tcp\0udplite\0";
+        for (const char *a = list; *a; a += strlen (a) + 1)
+             if (strcmp (a, mrl.psz_access) == 0)
+             {
+                 fmt = rtpfmt;
+                 break;
+             }
+    }
+
+    /* Convert the URL to a basic sout chain */
+    if (asprintf (&psz_chain, fmt,
+                  mrl.psz_way, mrl.psz_access, mrl.psz_name) == -1)
+        psz_chain = NULL;
+
+    /* Duplicate and wrap if sout-display is on */
+    if (psz_chain && (config_GetInt( p_this, "sout-display" ) > 0))
+    {
+        char *tmp;
+        if (asprintf (&tmp, "duplicate{dst=display,dst=%s}", tmp) == -1)
+            tmp = NULL;
+        free (psz_chain);
+        psz_chain = tmp;
     }
 
     mrl_Clean( &mrl );
-    return( psz_chain );
+    return psz_chain;
 }