]> git.sesse.net Git - vlc/blobdiff - src/input/input.c
Remove META_ENGINE object type
[vlc] / src / input / input.c
index a0935f4cf2852a9e471dd4fb1abbcabc6ac0f645..dbe4a668c104043621fadf8816ac42c50bbba4ac 100644 (file)
 /*****************************************************************************
  * Preamble
  *****************************************************************************/
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
 #include <vlc/vlc.h>
 
 #include <ctype.h>
+#include <limits.h>
+#include <assert.h>
 
 #include "input_internal.h"
 
@@ -47,6 +53,8 @@
 /*****************************************************************************
  * Local prototypes
  *****************************************************************************/
+static void Destructor( input_thread_t * p_input );
+
 static  int Run  ( input_thread_t *p_input );
 static  int RunAndDestroy  ( input_thread_t *p_input );
 
@@ -56,7 +64,6 @@ static  int             Init    ( input_thread_t *p_input );
 static void             Error   ( input_thread_t *p_input );
 static void             End     ( input_thread_t *p_input );
 static void             MainLoop( input_thread_t *p_input );
-static void             Destroy( input_thread_t *p_input, sout_instance_t **pp_sout );
 
 static inline int ControlPopNoLock( input_thread_t *, int *, vlc_value_t * );
 static void       ControlReduce( input_thread_t * );
@@ -107,8 +114,10 @@ static void AppendAttachment( int *pi_attachment, input_attachment_t ***ppp_atta
  *  - length
  *  - bookmarks
  *  - seekable (if you can seek, it doesn't say if 'bar display' has be shown or not, for that check position != 0.0)
+ *  - can-pause
  * * For intf callback upon changes
  *  - intf-change
+ *  - rate-change for when playback rate changes
  * TODO explain when Callback is called
  * TODO complete this list (?)
  *****************************************************************************/
@@ -159,6 +168,7 @@ static input_thread_t *Create( vlc_object_t *p_parent, input_item_t *p_item,
     TAB_INIT( p_input->p->i_attachment, p_input->p->attachment );
     p_input->p->p_es_out = NULL;
     p_input->p->p_sout  = NULL;
+    p_input->p->b_owns_its_sout = VLC_TRUE;
     p_input->p->b_sout_keep  = VLC_FALSE;
     p_input->p->b_out_pace_control = VLC_FALSE;
     p_input->i_pts_delay = 0;
@@ -173,6 +183,8 @@ static input_thread_t *Create( vlc_object_t *p_parent, input_item_t *p_item,
     p_input->p->input.title    = NULL;
     p_input->p->input.i_title_offset = p_input->p->input.i_seekpoint_offset = 0;
     p_input->p->input.b_can_pace_control = VLC_TRUE;
+    p_input->p->input.b_can_rate_control = VLC_TRUE;
+    p_input->p->input.b_rescale_ts = VLC_TRUE;
     p_input->p->input.b_eof = VLC_FALSE;
     p_input->p->input.i_cr_average = 0;
 
@@ -192,8 +204,10 @@ static input_thread_t *Create( vlc_object_t *p_parent, input_item_t *p_item,
 
     /* Parse input options */
     vlc_mutex_lock( &p_item->lock );
+    assert( p_item->optflagc == p_item->i_options );
     for( i = 0; i < p_item->i_options; i++ )
-        var_OptionParse( p_input, p_item->ppsz_options[i] );
+        var_OptionParse( VLC_OBJECT(p_input), p_item->ppsz_options[i],
+                         !!(p_item->optflagv[i] & VLC_INPUT_OPTION_TRUSTED) );
     vlc_mutex_unlock( &p_item->lock );
 
     /* Create Object Variables for private use only */
@@ -264,32 +278,40 @@ static input_thread_t *Create( vlc_object_t *p_parent, input_item_t *p_item,
 
     /* */
     if( p_sout )
+    {
         p_input->p->p_sout = p_sout;
+        p_input->p->b_owns_its_sout = VLC_FALSE;
+    }
+
+    memset( &p_input->p->counters, 0, sizeof( p_input->p->counters ) );
+    vlc_mutex_init( p_input, &p_input->p->counters.counters_lock );
 
     /* Attach only once we are ready */
     vlc_object_attach( p_input, p_parent );
 
+    /* Set the destructor when we are sure we are initialized */
+    vlc_object_set_destructor( p_input, (vlc_destructor_t)Destructor );
+
     return p_input;
 }
 
-static void Destroy( input_thread_t *p_input, sout_instance_t **pp_sout )
+/**
+ * Input destructor (called when the object's refcount reaches 0).
+ */
+static void Destructor( input_thread_t * p_input )
 {
-    vlc_object_detach( p_input );
     input_thread_private_t *priv = p_input->p;
 
-    if( pp_sout )
-        *pp_sout = NULL;
-    if( priv->p_sout )
+    if( priv->b_owns_its_sout && priv->p_sout )
     {
-        if( pp_sout )
-            *pp_sout = priv->p_sout;
-        else if( priv->b_sout_keep )
+        if( priv->b_sout_keep )
             SoutKeep( priv->p_sout );
         else
             sout_DeleteInstance( priv->p_sout );
     }
 
-    vlc_object_destroy( p_input );
+    vlc_mutex_destroy( &p_input->p->counters.counters_lock );
+
     vlc_mutex_destroy( &priv->lock_control );
     free( priv );
 }
@@ -333,7 +355,8 @@ input_thread_t *__input_CreateThreadExtended( vlc_object_t *p_parent,
     {
         input_ChangeState( p_input, ERROR_S );
         msg_Err( p_input, "cannot create input thread" );
-        Destroy( p_input, &p_sout );
+        vlc_object_detach( p_input );
+        vlc_object_release( p_input );
         return NULL;
     }
 
@@ -376,7 +399,7 @@ int __input_Read( vlc_object_t *p_parent, input_item_t *p_item,
         {
             input_ChangeState( p_input, ERROR_S );
             msg_Err( p_input, "cannot create input thread" );
-            Destroy( p_input, NULL );
+            vlc_object_release( p_input );
             return VLC_EGENERIC;
         }
     }
@@ -403,7 +426,8 @@ int __input_Preparse( vlc_object_t *p_parent, input_item_t *p_item )
     if( !Init( p_input ) )
         End( p_input );
 
-    Destroy( p_input, NULL );
+    vlc_object_detach( p_input );
+    vlc_object_release( p_input );
 
     return VLC_SUCCESS;
 }
@@ -452,24 +476,10 @@ void input_StopThread( input_thread_t *p_input )
     input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
 }
 
-/**
- * Clean up a dead input thread
- * This function does not return until the thread is effectively cancelled.
- *
- * \param the input thread to kill
- */
-void input_DestroyThread( input_thread_t *p_input )
-{
-    input_DestroyThreadExtended( p_input, NULL );
-}
-
-void input_DestroyThreadExtended( input_thread_t *p_input, sout_instance_t **pp_sout )
+sout_instance_t * input_DetachSout( input_thread_t *p_input )
 {
-    /* Join the thread */
-    vlc_thread_join( p_input );
-
-    /* */
-    Destroy( p_input, pp_sout );
+    p_input->p->b_owns_its_sout = VLC_FALSE;
+    return p_input->p->p_sout;
 }
 
 /*****************************************************************************
@@ -565,7 +575,7 @@ static int RunAndDestroy( input_thread_t *p_input )
 
 exit:
     /* Release memory */
-    Destroy( p_input, NULL );
+    vlc_object_release( p_input );
     return 0;
 }
 
@@ -754,16 +764,6 @@ static int Init( input_thread_t * p_input )
     int i_es_out_mode;
     int i, i_delay;
 
-    /* Initialize optional stream output. (before access/demuxer)
-     * XXX: we add a special case if the uri starts by vlc.
-     * else 'vlc in.file --sout "" vlc:quit'  cannot work (the output will
-     * be destroyed in case of a file).
-     * (this will break playing of file starting by 'vlc:' but I don't
-     * want to add more logic, just force file by file:// or code it ;)
-     */
-    memset( &p_input->p->counters, 0, sizeof( p_input->p->counters ) );
-    vlc_mutex_init( p_input, &p_input->p->counters.counters_lock );
-
     for( i = 0; i < p_input->p->input.p_item->i_options; i++ )
     {
         if( !strncmp( p_input->p->input.p_item->ppsz_options[i], "meta-file", 9 ) )
@@ -834,7 +834,6 @@ static int Init( input_thread_t * p_input )
             {
                 /* Create a new one */
                 p_input->p->p_sout = sout_NewInstance( p_input, psz );
-
                 if( !p_input->p->p_sout )
                 {
                     input_ChangeState( p_input, ERROR_S );
@@ -866,7 +865,7 @@ static int Init( input_thread_t * p_input )
     }
 
     /* Create es out */
-    p_input->p->p_es_out = input_EsOutNew( p_input );
+    p_input->p->p_es_out = input_EsOutNew( p_input, p_input->p->i_rate );
     es_out_Control( p_input->p->p_es_out, ES_OUT_SET_ACTIVE, VLC_FALSE );
     es_out_Control( p_input->p->p_es_out, ES_OUT_SET_MODE, ES_OUT_MODE_NONE );
 
@@ -896,6 +895,7 @@ static int Init( input_thread_t * p_input )
         /* Global flag */
         p_input->b_can_pace_control = p_input->p->input.b_can_pace_control;
         p_input->p->b_can_pause        = p_input->p->input.b_can_pause;
+        p_input->p->b_can_rate_control = p_input->p->input.b_can_rate_control;
 
         /* Fix pts delay */
         if( p_input->i_pts_delay < 0 )
@@ -1043,8 +1043,8 @@ static int Init( input_thread_t * p_input )
                 }
                 free( subs[i] );
             }
-            if( subs ) free( subs );
-            if( psz_autopath ) free( psz_autopath );
+            free( subs );
+            free( psz_autopath );
         }
         free( psz_subtitle );
 
@@ -1252,10 +1252,10 @@ error:
  *****************************************************************************/
 static void Error( input_thread_t *p_input )
 {
+    input_ChangeState( p_input, ERROR_S );
     while( !p_input->b_die )
     {
         /* Sleep a while */
-        input_ChangeState( p_input, ERROR_S );
         msleep( INPUT_IDLE_SLEEP );
     }
 }
@@ -1282,7 +1282,7 @@ static void End( input_thread_t * p_input )
         InputSourceClean( p_input->p->slave[i] );
         free( p_input->p->slave[i] );
     }
-    if( p_input->p->slave ) free( p_input->p->slave );
+    free( p_input->p->slave );
 
     /* Unload all modules */
     if( p_input->p->p_es_out )
@@ -1334,8 +1334,6 @@ static void End( input_thread_t * p_input )
         TAB_CLEAN( p_input->p->i_attachment, p_input->p->attachment );
     }
 
-    vlc_mutex_destroy( &p_input->p->counters.counters_lock );
-
     /* Tell we're dead */
     p_input->b_dead = VLC_TRUE;
 }
@@ -1732,20 +1730,40 @@ static vlc_bool_t Control( input_thread_t *p_input, int i_type,
                 i_rate = INPUT_RATE_MAX;
             }
             if( i_rate != INPUT_RATE_DEFAULT &&
-                ( !p_input->b_can_pace_control ||
+                ( ( !p_input->b_can_pace_control && !p_input->p->b_can_rate_control ) ||
                   ( p_input->p->p_sout && !p_input->p->b_out_pace_control ) ) )
             {
                 msg_Dbg( p_input, "cannot change rate" );
                 i_rate = INPUT_RATE_DEFAULT;
             }
+            if( i_rate != p_input->p->i_rate &&
+                !p_input->b_can_pace_control && p_input->p->b_can_rate_control )
+            {
+                int i_ret;
+                if( p_input->p->input.p_access )
+                    i_ret = VLC_EGENERIC;
+                else
+                    i_ret = demux2_Control( p_input->p->input.p_demux,
+                                            DEMUX_SET_RATE, &i_rate );
+                if( i_ret )
+                {
+                    msg_Warn( p_input, "ACCESS/DEMUX_SET_RATE failed" );
+                    i_rate = p_input->p->i_rate;
+                }
+            }
+
+            /* */
             if( i_rate != p_input->p->i_rate )
             {
                 val.i_int = i_rate;
                 var_Change( p_input, "rate", VLC_VAR_SETVALUE, &val, NULL );
+                var_SetBool( p_input, "rate-change", VLC_TRUE );
 
                 p_input->p->i_rate  = i_rate;
 
-                input_EsOutChangeRate( p_input->p->p_es_out );
+                /* FIXME do we need a RESET_PCR when !p_input->p->input.b_rescale_ts ? */
+                if( p_input->p->input.b_rescale_ts )
+                    input_EsOutChangeRate( p_input->p->p_es_out, i_rate );
 
                 b_force_update = VLC_TRUE;
             }
@@ -2095,7 +2113,7 @@ static void UpdateItemLength( input_thread_t *p_input, int64_t i_length )
         pl_Yield( p_input );
         var_SetInteger( pl_Get( p_input ), "item-change",
                         p_input->p->input.p_item->i_id );
-        pl_Release( p_input )
+        pl_Release( p_input );
     }
 }
 
@@ -2118,7 +2136,10 @@ static input_source_t *InputSourceNew( input_thread_t *p_input )
     in->p_demux  = NULL;
     in->b_title_demux = VLC_FALSE;
     TAB_INIT( in->i_title, in->title );
+    in->b_can_pause = VLC_TRUE;
     in->b_can_pace_control = VLC_TRUE;
+    in->b_can_rate_control = VLC_TRUE;
+    in->b_rescale_ts = VLC_TRUE;
     in->b_eof = VLC_FALSE;
     in->f_fps = 0.0;
     in->i_cr_average = 0;
@@ -2148,28 +2169,27 @@ static int InputSourceInit( input_thread_t *p_input,
     if( !p_input ) return VLC_EGENERIC;
 
     /* Split uri */
+    MRLSplit( psz_dup, &psz_access, &psz_demux, &psz_path );
+
+    msg_Dbg( p_input, "`%s' gives access `%s' demux `%s' path `%s'",
+             psz_mrl, psz_access, psz_demux, psz_path );
     if( !p_input->b_preparsing )
     {
-        MRLSplit( VLC_OBJECT(p_input), psz_dup,
-                  &psz_access, &psz_demux, &psz_path );
-
-        msg_Dbg( p_input, "`%s' gives access `%s' demux `%s' path `%s'",
-                 psz_mrl, psz_access, psz_demux, psz_path );
-
         /* Hack to allow udp://@:port syntax */
         if( !psz_access ||
             (strncmp( psz_access, "udp", 3 ) &&
              strncmp( psz_access, "rtp", 3 )) )
-
-        /* Find optional titles and seekpoints */
-        MRLSections( p_input, psz_path, &in->i_title_start, &in->i_title_end,
+        {
+            /* Find optional titles and seekpoints */
+            MRLSections( p_input, psz_path, &in->i_title_start, &in->i_title_end,
                      &in->i_seekpoint_start, &in->i_seekpoint_end );
+        }
 
         if( psz_forced_demux && *psz_forced_demux )
         {
             psz_demux = psz_forced_demux;
         }
-        else if( !psz_demux || *psz_demux == '\0' )
+        else if( *psz_demux == '\0' )
         {
             /* special hack for forcing a demuxer with --demux=module
              * (and do nothing with a list) */
@@ -2194,12 +2214,14 @@ static int InputSourceInit( input_thread_t *p_input,
     }
     else
     {
-        psz_path = psz_dup;
-        if( !strncmp( psz_path, "file://", 7 ) )
-            psz_path += 7;
+        /* Preparsing is only for file:// */
+        if( *psz_demux )
+            goto error;
+        if( !*psz_access ) /* path without scheme:// */
+            psz_access = "file";
+        if( strcmp( psz_access, "file" ) )
+            goto error;
         msg_Dbg( p_input, "trying to pre-parse %s",  psz_path );
-        psz_demux = "";
-        psz_access = "file";
     }
 
     if( in->p_demux )
@@ -2219,15 +2241,34 @@ static int InputSourceInit( input_thread_t *p_input,
             in->i_title = 0;
             in->title   = NULL;
         }
-        demux2_Control( in->p_demux, DEMUX_CAN_CONTROL_PACE,
-                        &in->b_can_pace_control );
-        demux2_Control( in->p_demux, DEMUX_CAN_PAUSE,
-                        &in->b_can_pause );
+        if( demux2_Control( in->p_demux, DEMUX_CAN_CONTROL_PACE,
+                            &in->b_can_pace_control ) )
+            in->b_can_pace_control = VLC_FALSE;
 
-        /* FIXME todo
-        demux2_Control( in->p_demux, DEMUX_CAN_SEEK,
+        if( !in->b_can_pace_control )
+        {
+            if( demux2_Control( in->p_demux, DEMUX_CAN_CONTROL_RATE,
+                                &in->b_can_rate_control, &in->b_rescale_ts ) )
+            {
+                in->b_can_rate_control = VLC_FALSE;
+                in->b_rescale_ts = VLC_TRUE; /* not used */
+            }
+        }
+        else
+        {
+            in->b_can_rate_control = VLC_TRUE;
+            in->b_rescale_ts = VLC_TRUE;
+        }
+        if( demux2_Control( in->p_demux, DEMUX_CAN_PAUSE,
+                            &in->b_can_pause ) )
+            in->b_can_pause = VLC_FALSE;
+        var_SetBool( p_input, "can-pause", in->b_can_pause );
+
+        int ret = demux2_Control( in->p_demux, DEMUX_CAN_SEEK,
                         &val.b_bool );
-        */
+        if( ret != VLC_SUCCESS )
+            val.b_bool = VLC_FALSE;
+        var_Set( p_input, "seekable", val );
     }
     else
     {
@@ -2236,8 +2277,7 @@ static int InputSourceInit( input_thread_t *p_input,
         input_ChangeState( p_input, OPENING_S );
 
         /* Now try a real access */
-        in->p_access = access2_New( p_input, psz_access, psz_demux, psz_path,
-                                    p_input->b_preparsing );
+        in->p_access = access2_New( p_input, psz_access, psz_demux, psz_path );
 
         /* Access failed, URL encoded ? */
         if( in->p_access == NULL && strchr( psz_path, '%' ) )
@@ -2248,18 +2288,7 @@ static int InputSourceInit( input_thread_t *p_input,
                      psz_access, psz_demux, psz_path );
 
             in->p_access = access2_New( p_input,
-                                        psz_access, psz_demux, psz_path,
-                                        p_input->b_preparsing );
-        }
-        /* access failed, maybe our access detection was wrong.
-         * Retry with the full name */
-        if( in->p_access == NULL && strchr( psz_mrl, ':' ) )
-        {
-            msg_Dbg( p_input, "retrying with access `' demux `' path `%s'",
-                     psz_mrl );
-             in->p_access = access2_New( p_input,
-                                         "", "", psz_mrl,
-                                         p_input->b_preparsing );
+                                        psz_access, psz_demux, psz_path );
         }
         if( in->p_access == NULL )
         {
@@ -2312,8 +2341,12 @@ static int InputSourceInit( input_thread_t *p_input,
             }
             access2_Control( in->p_access, ACCESS_CAN_CONTROL_PACE,
                              &in->b_can_pace_control );
+            in->b_can_rate_control = in->b_can_pace_control;
+            in->b_rescale_ts = VLC_TRUE;
+
             access2_Control( in->p_access, ACCESS_CAN_PAUSE,
                              &in->b_can_pause );
+            var_SetBool( p_input, "can-pause", in->b_can_pause );
             access2_Control( in->p_access, ACCESS_CAN_SEEK,
                              &val.b_bool );
             var_Set( p_input, "seekable", val );
@@ -2343,8 +2376,7 @@ static int InputSourceInit( input_thread_t *p_input,
             {
                 const char *psz_a, *psz_d;
                 psz_buf = strdup( in->p_access->psz_path );
-                MRLSplit( VLC_OBJECT(p_input), psz_buf,
-                          &psz_a, &psz_d, &psz_real_path );
+                MRLSplit( psz_buf, &psz_a, &psz_d, &psz_real_path );
             }
             else
             {
@@ -2362,8 +2394,8 @@ static int InputSourceInit( input_thread_t *p_input,
             msg_Err( p_input, "no suitable demux module for `%s/%s://%s'",
                      psz_access, psz_demux, psz_path );
             intf_UserFatal( VLC_OBJECT( p_input ), VLC_FALSE,
-                            _("Can't recognize the input's format"),
-                            _("The format of '%s' can't be detected. "
+                            _("VLC can't recognize the input's format"),
+                            _("The format of '%s' cannot be detected. "
                             "Have a look the log for details."), psz_mrl );
             goto error;
         }
@@ -2643,23 +2675,6 @@ static void InputUpdateMeta( input_thread_t *p_input, vlc_meta_t *p_meta )
 }
 
 
-static inline vlc_bool_t IsValidAccess( const char *psz )
-{
-    char c;
-
-    while( ( c = *psz ) != '\0' )
-    {
-        if( c == ':' )
-            return VLC_TRUE;
-
-        if( ( !isascii( c ) || !isalnum( c ) ) && c != '-' && ( c != '/' ) )
-            return VLC_FALSE;
-        psz++;
-    }
-    /* should not happen though */
-    return VLC_FALSE;
-}
-
 static void AppendAttachment( int *pi_attachment, input_attachment_t ***ppp_attachment,
                               int i_new, input_attachment_t **pp_new )
 {
@@ -2671,8 +2686,7 @@ static void AppendAttachment( int *pi_attachment, input_attachment_t ***ppp_atta
                           sizeof(input_attachment_t**) * ( i_attachment + i_new ) );
     for( i = 0; i < i_new; i++ )
         attachment[i_attachment++] = pp_new[i];
-    if( pp_new )
-        free( pp_new );
+    free( pp_new );
 
     /* */
     *pi_attachment = i_attachment;
@@ -2735,56 +2749,35 @@ static void DemuxMeta( input_thread_t *p_input, vlc_meta_t *p_meta, demux_t *p_d
  * MRLSplit: parse the access, demux and url part of the
  *           Media Resource Locator.
  *****************************************************************************/
-void MRLSplit( vlc_object_t *p_input, char *psz_dup,
-               const char **ppsz_access, const char **ppsz_demux,
+void MRLSplit( char *psz_dup, const char **ppsz_access, const char **ppsz_demux,
                char **ppsz_path )
 {
-    const char *psz_access = "";
-    const char *psz_demux  = "";
+    char *psz_access = NULL;
+    char *psz_demux  = NULL;
     char *psz_path;
-    char *psz;
-
-    psz = strchr( psz_dup, ':' );
 
-    if( psz != NULL )
+    /* Either there is an access/demux specification before ://
+     * or we have a plain local file path. */
+    psz_path = strstr( psz_dup, "://" );
+    if( psz_path != NULL )
     {
-        /* Guess whether ':' is part of a local filename, or separates
-         * access/demux from path */
-        if( !IsValidAccess( psz_dup ) )
-            psz = NULL;
-#if defined( WIN32 ) || defined( UNDER_CE )
-        else if( ( psz - psz_dup == 1 ) && isalpha( psz_dup[0] ) )
-        {
-            msg_Dbg( p_input, "drive letter %c: found in source", *psz_dup );
-            psz = NULL;
-        }
-#endif
-    }
-
-    if( psz != NULL )
-    {
-        *psz++ = '\0';
-        if( psz[0] == '/' && psz[1] == '/' ) psz += 2;
-
-        psz_path = psz;
-
-        psz = strchr( psz_dup, '/' );
-        if( psz )
-        {
-            *psz++ = '\0';
-            psz_demux = psz;
-        }
+        *psz_path = '\0';
+        psz_path += 3; /* skips "://" */
 
+        /* Separate access from demux (<access>/<demux>://<path>) */
         psz_access = psz_dup;
+        psz_demux = strchr( psz_access, '/' );
+        if( psz_demux )
+            *psz_demux++ = '\0';
     }
     else
     {
         psz_path = psz_dup;
     }
 
-    *ppsz_access = psz_access;
-    *ppsz_demux = psz_demux;
-    *ppsz_path = psz_path;
+    *ppsz_access = psz_access ? psz_access : "";
+    *ppsz_demux = psz_demux ? psz_demux : "";
+    *ppsz_path = psz_path ? psz_path : "";
 }
 
 /*****************************************************************************