]> git.sesse.net Git - vlc/blobdiff - src/input/input.c
* Fixed the BeOS compile typo.
[vlc] / src / input / input.c
index 3d15f429c109806f32612a7265729cad626d92b6..e444286d9a4b244d7603e6a68d3432fea7ca55ee 100644 (file)
@@ -4,9 +4,9 @@
  * decoders.
  *****************************************************************************
  * Copyright (C) 1998, 1999, 2000 VideoLAN
- * $Id: input.c,v 1.77 2001/02/08 13:08:02 massiot Exp $
+ * $Id: input.c,v 1.113 2001/05/30 17:03:12 sam Exp $
  *
- * Authors: 
+ * Authors: Christophe Massiot <massiot@via.ecp.fr>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
 #include <fcntl.h>
 #include <unistd.h>
 #include <string.h>
+#ifdef STRNCASECMP_IN_STRINGS_H
+#   include <strings.h>
+#endif
 #include <errno.h>
 
+/* WinSock Includes */
+
+#ifdef WIN32
+#include <winsock2.h>
+#endif
+
+
+/* Network functions */
+
+#if !defined( SYS_BEOS ) && !defined( SYS_NTO ) && !defined( WIN32 )
+#include <netdb.h>                                            /* hostent ... */
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#endif
+
 #ifdef STATS
 #   include <sys/times.h>
 #endif
 #include "common.h"
 #include "threads.h"
 #include "mtime.h"
+#include "netutils.h"
 #include "modules.h"
 
 #include "intf_msg.h"
-#include "intf_plst.h"
+#include "intf_playlist.h"
 
 #include "stream_control.h"
 #include "input_ext-intf.h"
 
 #include "main.h"
 
+
 /*****************************************************************************
  * Local prototypes
  *****************************************************************************/
-static void RunThread   ( input_thread_t *p_input );
-static void InitThread  ( input_thread_t *p_input );
-static void ErrorThread ( input_thread_t *p_input );
-static void EndThread   ( input_thread_t *p_input );
+static void RunThread       ( input_thread_t *p_input );
+static  int InitThread      ( input_thread_t *p_input );
+static void ErrorThread     ( input_thread_t *p_input );
+static void DestroyThread   ( input_thread_t *p_input );
+static void EndThread       ( input_thread_t *p_input );
+
+static void FileOpen        ( input_thread_t *p_input );
+static void FileClose       ( input_thread_t *p_input );
+static void NetworkOpen     ( input_thread_t *p_input );
+static void NetworkClose    ( input_thread_t *p_input );
 
 /*****************************************************************************
  * input_CreateThread: creates a new input thread
@@ -88,6 +117,9 @@ input_thread_t *input_CreateThread ( playlist_item_t *p_item, int *pi_status )
         return( NULL );
     }
 
+    /* Packets read once */
+    p_input->i_read_once = INPUT_READ_ONCE;
+
     /* Initialize thread properties */
     p_input->b_die              = 0;
     p_input->b_error            = 0;
@@ -105,7 +137,16 @@ input_thread_t *input_CreateThread ( playlist_item_t *p_item, int *pi_status )
     p_input->stream.i_selected_es_number = 0;
     p_input->stream.i_pgrm_number = 0;
     p_input->stream.i_new_status = p_input->stream.i_new_rate = 0;
-    p_input->stream.i_seek = 0;
+    p_input->stream.i_mux_rate = 0;
+
+    /* no stream, no area */
+    p_input->stream.i_area_nb = 0;
+    p_input->stream.pp_areas = NULL;
+    p_input->stream.p_selected_area = NULL;
+    p_input->stream.p_new_area = NULL;
+    /* By default there is one areas in a stream */
+    input_AddArea( p_input );
+    p_input->stream.p_selected_area = p_input->stream.pp_areas[0];
 
     /* Initialize stream control properties. */
     p_input->stream.control.i_status = PLAYING_S;
@@ -113,9 +154,13 @@ input_thread_t *input_CreateThread ( playlist_item_t *p_item, int *pi_status )
     p_input->stream.control.b_mute = 0;
     p_input->stream.control.b_bw = 0;
 
-    /* Initialize default settings for spawned decoders */
-    p_input->p_default_aout = p_main->p_aout;
-    p_input->p_default_vout = p_main->p_intf->p_vout;
+    /* Setup callbacks */
+    p_input->pf_file_open     = FileOpen;
+    p_input->pf_file_close    = FileClose;
+#if !defined( SYS_BEOS ) && !defined( SYS_NTO )
+    p_input->pf_network_open  = NetworkOpen;
+    p_input->pf_network_close = NetworkClose;
+#endif
 
     /* Create thread and set locks. */
     vlc_mutex_init( &p_input->stream.stream_lock );
@@ -185,31 +230,80 @@ void input_DestroyThread( input_thread_t *p_input, int *pi_status )
  *****************************************************************************/
 static void RunThread( input_thread_t *p_input )
 {
-    data_packet_t *         pp_packets[INPUT_READ_ONCE];
     int                     i_error, i;
 
-    InitThread( p_input );
+    if( InitThread( p_input ) )
+    {
+
+        /* If we failed, wait before we are killed, and exit */
+        *p_input->pi_status = THREAD_ERROR;
+        p_input->b_error = 1;
+        ErrorThread( p_input );
+        DestroyThread( p_input );
+        return;
+    }
+
+    /* initialization is completed */
+    vlc_mutex_lock( &p_input->stream.stream_lock );
+    p_input->stream.b_changed = 1;
+    vlc_mutex_unlock( &p_input->stream.stream_lock );
 
     while( !p_input->b_die && !p_input->b_error && !p_input->b_eof )
     {
+        data_packet_t *         pp_packets[p_input->i_read_once];
 
 #ifdef STATS
         p_input->c_loops++;
 #endif
 
-        vlc_mutex_lock( &p_input->stream.control.control_lock );
-        if( p_input->stream.control.i_status == BACKWARD_S
-             && p_input->pf_rewind != NULL )
+        vlc_mutex_lock( &p_input->stream.stream_lock );
+
+        if( p_input->stream.p_new_area )
         {
-            p_input->pf_rewind( p_input );
-            /* FIXME: probably don't do it every loop, but when ? */
+            p_input->pf_set_area( p_input, p_input->stream.p_new_area );
+            p_input->stream.p_new_area = NULL;
         }
-        vlc_mutex_unlock( &p_input->stream.control.control_lock );
+
+        if( p_input->stream.p_selected_area->i_seek != NO_SEEK )
+        {
+            if( p_input->stream.b_seekable && p_input->pf_seek != NULL )
+            {
+                p_input->pf_seek( p_input,
+                                  p_input->stream.p_selected_area->i_seek );
+
+                for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
+                {
+                    pgrm_descriptor_t * p_pgrm
+                                            = p_input->stream.pp_programs[i];
+                    /* Escape all decoders for the stream discontinuity they
+                     * will encounter. */
+                    input_EscapeDiscontinuity( p_input, p_pgrm );
+
+                    /* Reinitialize synchro. */
+                    p_pgrm->i_synchro_state = SYNCHRO_REINIT;
+                }
+            }
+            p_input->stream.p_selected_area->i_seek = NO_SEEK;
+        }
+
+        if( p_input->stream.p_removed_es )
+        {
+            input_UnselectES( p_input, p_input->stream.p_removed_es );
+            p_input->stream.p_removed_es = NULL;
+        }
+
+        if( p_input->stream.p_newly_selected_es )
+        {
+            input_SelectES( p_input, p_input->stream.p_newly_selected_es );
+            p_input->stream.p_newly_selected_es = NULL;
+        }
+
+        vlc_mutex_unlock( &p_input->stream.stream_lock );
 
         i_error = p_input->pf_read( p_input, pp_packets );
 
         /* Demultiplex read packets. */
-        for( i = 0; i < INPUT_READ_ONCE && pp_packets[i] != NULL; i++ )
+        for( i = 0; i < p_input->i_read_once && pp_packets[i] != NULL; i++ )
         {
             p_input->pf_demux( p_input, pp_packets[i] );
         }
@@ -220,7 +314,7 @@ static void RunThread( input_thread_t *p_input )
             {
                 /* End of file - we do not set b_die because only the
                  * interface is allowed to do so. */
-                intf_WarnMsg( 1, "End of file reached" );
+                intf_WarnMsg( 3, "input: EOF reached" );
                 p_input->b_eof = 1;
             }
             else
@@ -236,13 +330,16 @@ static void RunThread( input_thread_t *p_input )
     }
 
     EndThread( p_input );
-    intf_DbgMsg("Thread end");
+
+    DestroyThread( p_input );
+
+    intf_DbgMsg("input: Thread end");
 }
 
 /*****************************************************************************
  * InitThread: init the input Thread
  *****************************************************************************/
-static void InitThread( input_thread_t * p_input )
+static int InitThread( input_thread_t * p_input )
 {
 
 #ifdef STATS
@@ -254,14 +351,14 @@ static void InitThread( input_thread_t * p_input )
     p_input->c_packets_trashed          = 0;
 #endif
 
-    p_input->p_input_module = module_Need( p_main->p_module_bank,
-                                           MODULE_CAPABILITY_INPUT, NULL );
+    p_input->p_input_module = module_Need( MODULE_CAPABILITY_INPUT,
+                                           (probedata_t *)p_input );
 
     if( p_input->p_input_module == NULL )
     {
-        intf_ErrMsg( "input error: no suitable input module" );
-        p_input->b_error = 1;
-        return;
+        intf_ErrMsg( "input error: no suitable input module for `%s'",
+                     p_input->p_source );
+        return( -1 );
     }
 
 #define f p_input->p_input_module->p_functions->input.functions.input
@@ -270,6 +367,7 @@ static void InitThread( input_thread_t * p_input )
     p_input->pf_close         = f.pf_close;
     p_input->pf_end           = f.pf_end;
     p_input->pf_read          = f.pf_read;
+    p_input->pf_set_area      = f.pf_set_area;
     p_input->pf_demux         = f.pf_demux;
     p_input->pf_new_packet    = f.pf_new_packet;
     p_input->pf_new_pes       = f.pf_new_pes;
@@ -278,19 +376,29 @@ static void InitThread( input_thread_t * p_input )
     p_input->pf_rewind        = f.pf_rewind;
     p_input->pf_seek          = f.pf_seek;
 #undef f
-
     p_input->pf_open( p_input );
 
     if( p_input->b_error )
     {
-        module_Unneed( p_main->p_module_bank, p_input->p_input_module );
+        /* We barfed -- exit nicely */
+        p_input->pf_close( p_input );
+        module_Unneed( p_input->p_input_module );
+        return( -1 );
     }
-    else
+
+    p_input->pf_init( p_input );
+
+    if( p_input->b_error )
     {
-        p_input->pf_init( p_input );
+        /* We barfed -- exit nicely */
+        p_input->pf_close( p_input );
+        module_Unneed( p_input->p_input_module );
+        return( -1 );
     }
 
     *p_input->pi_status = THREAD_READY;
+
+    return( 0 );
 }
 
 /*****************************************************************************
@@ -331,14 +439,26 @@ static void EndThread( input_thread_t * p_input )
     /* Free all ES and destroy all decoder threads */
     input_EndStream( p_input );
 
-    /* Close stream */
-    p_input->pf_close( p_input );
-
     /* Free demultiplexer's data */
     p_input->pf_end( p_input );
 
+    /* Close stream */
+    p_input->pf_close( p_input );
+
     /* Release modules */
-    module_Unneed( p_main->p_module_bank, p_input->p_input_module );
+    module_Unneed( p_input->p_input_module );
+
+}
+
+/*****************************************************************************
+ * DestroyThread: destroy the input thread
+ *****************************************************************************/
+static void DestroyThread( input_thread_t * p_input )
+{
+    int *       pi_status;                                  /* thread status */
+
+    /* Store status */
+    pi_status = p_input->pi_status;
 
     /* Destroy Mutex locks */
     vlc_mutex_destroy( &p_input->stream.control.control_lock );
@@ -352,18 +472,43 @@ static void EndThread( input_thread_t * p_input )
 }
 
 /*****************************************************************************
- * input_FileOpen : open a file descriptor
+ * FileOpen : open a file descriptor
  *****************************************************************************/
-void input_FileOpen( input_thread_t * p_input )
+static void FileOpen( input_thread_t * p_input )
 {
     struct stat         stat_info;
+    int                 i_stat;
+
+    char *psz_name = p_input->p_source;
 
-    if( stat( p_input->p_source, &stat_info ) == (-1) )
+    /* FIXME: this code ought to be in the plugin so that code can
+     * be shared with the *_Probe function */
+    if( ( i_stat = stat( psz_name, &stat_info ) ) == (-1) )
     {
-        intf_ErrMsg( "input error: cannot stat() file `%s' (%s)",
-                     p_input->p_source, strerror(errno));
-        p_input->b_error = 1;
-        return;
+        int i_size = strlen( psz_name );
+
+        if( ( i_size > 4 )
+            && !strncasecmp( psz_name, "dvd:", 4 ) )
+        {
+            /* get rid of the 'dvd:' stuff and try again */
+            psz_name += 4;
+            i_stat = stat( psz_name, &stat_info );
+        }
+        else if( ( i_size > 5 )
+                 && !strncasecmp( psz_name, "file:", 5 ) )
+        {
+            /* get rid of the 'file:' stuff and try again */
+            psz_name += 5;
+            i_stat = stat( psz_name, &stat_info );
+        }
+
+        if( i_stat == (-1) )
+        {
+            intf_ErrMsg( "input error: cannot stat() file `%s' (%s)",
+                         psz_name, strerror(errno));
+            p_input->b_error = 1;
+            return;
+        }
     }
 
     vlc_mutex_lock( &p_input->stream.stream_lock );
@@ -375,28 +520,37 @@ void input_FileOpen( input_thread_t * p_input )
          || S_ISBLK(stat_info.st_mode) )
     {
         p_input->stream.b_seekable = 1;
-        p_input->stream.i_size = stat_info.st_size;
+        p_input->stream.p_selected_area->i_size = stat_info.st_size;
     }
-    else if( S_ISFIFO(stat_info.st_mode) || S_ISSOCK(stat_info.st_mode) )
+    else if( S_ISFIFO(stat_info.st_mode)
+#if !defined( SYS_BEOS ) && !defined( WIN32 )
+             || S_ISSOCK(stat_info.st_mode)
+#endif
+             )
     {
         p_input->stream.b_seekable = 0;
-        p_input->stream.i_size = 0;
+        p_input->stream.p_selected_area->i_size = 0;
     }
     else
     {
         vlc_mutex_unlock( &p_input->stream.stream_lock );
         intf_ErrMsg( "input error: unknown file type for `%s'",
-                     p_input->p_source );
+                     psz_name );
         p_input->b_error = 1;
         return;
     }
 
-    p_input->stream.i_tell = 0;
+    p_input->stream.p_selected_area->i_tell = 0;
     vlc_mutex_unlock( &p_input->stream.stream_lock );
 
-    intf_Msg( "input: opening file %s", p_input->p_source );
-    if( (p_input->i_handle = open( p_input->p_source,
+    intf_WarnMsg( 1, "input: opening file `%s'", p_input->p_source );
+#ifndef WIN32
+    if( (p_input->i_handle = open( psz_name,
                                    /*O_NONBLOCK | O_LARGEFILE*/0 )) == (-1) )
+#else
+    if( (p_input->i_handle = open( psz_name, O_BINARY
+                                   /*O_NONBLOCK | O_LARGEFILE*/ )) == (-1) )
+#endif
     {
         intf_ErrMsg( "input error: cannot open file (%s)", strerror(errno) );
         p_input->b_error = 1;
@@ -406,12 +560,235 @@ void input_FileOpen( input_thread_t * p_input )
 }
 
 /*****************************************************************************
- * input_FileClose : close a file descriptor
+ * FileClose : close a file descriptor
  *****************************************************************************/
-void input_FileClose( input_thread_t * p_input )
+static void FileClose( input_thread_t * p_input )
 {
+    intf_WarnMsg( 1, "input: closing file `%s'", p_input->p_source );
     close( p_input->i_handle );
 
     return;
 }
 
+
+#if !defined( SYS_BEOS ) && !defined( SYS_NTO )
+/*****************************************************************************
+ * NetworkOpen : open a network socket 
+ *****************************************************************************/
+static void NetworkOpen( input_thread_t * p_input )
+{
+    char                *psz_server = NULL;
+    char                *psz_broadcast = NULL;
+    int                 i_port = 0;
+    int                 i_opt;
+    struct sockaddr_in  sock;
+
+#ifdef WIN32
+    /* WinSock Library Init. */
+    WSADATA Data;
+    int i_err = WSAStartup( MAKEWORD( 1, 1 ), &Data );
+
+    if( i_err )
+    {
+        intf_ErrMsg( "input: can't initiate WinSocks, error %i", i_err );
+        return ;
+    }
+#endif
+    
+    /* Get the remote server */
+    if( p_input->p_source != NULL )
+    {
+        psz_server = p_input->p_source;
+
+        /* Skip the protocol name */
+        while( *psz_server && *psz_server != ':' )
+        {
+            psz_server++;
+        }
+
+        /* Skip the "://" part */
+        while( *psz_server && (*psz_server == ':' || *psz_server == '/') )
+        {
+            psz_server++;
+        }
+
+        /* Found a server name */
+        if( *psz_server )
+        {
+            char *psz_port = psz_server;
+
+            /* Skip the hostname part */
+            while( *psz_port && *psz_port != ':' )
+            {
+                psz_port++;
+            }
+
+            /* Found a port name */
+            if( *psz_port )
+            {
+                /* Replace ':' with '\0' */
+                *psz_port = '\0';
+                psz_port++;
+
+                psz_broadcast = psz_port;
+                while( *psz_broadcast && *psz_broadcast != ':' )
+                {
+                    psz_broadcast++;
+                }
+
+                if( *psz_broadcast )
+                {
+                    *psz_broadcast = '\0';
+                    psz_broadcast++;
+                    while( *psz_broadcast && *psz_broadcast == ':' )
+                    {
+                        psz_broadcast++;
+                    }
+                }
+                else
+                {
+                    psz_broadcast = NULL;
+                }
+
+                /* port before broadcast address */
+                if( *psz_port != ':' )
+                {
+                    i_port = atoi( psz_port );
+                }
+            }
+        }
+        else
+        {
+            psz_server = NULL;
+        }
+    }
+
+    /* Check that we got a valid server */
+    if( psz_server == NULL )
+    {
+        psz_server = main_GetPszVariable( INPUT_SERVER_VAR, 
+                                          INPUT_SERVER_DEFAULT );
+    }
+
+    /* Check that we got a valid port */
+    if( i_port == 0 )
+    {
+        i_port = main_GetIntVariable( INPUT_PORT_VAR, INPUT_PORT_DEFAULT );
+    }
+
+    if( psz_broadcast == NULL )
+    {
+        /* Are we broadcasting ? */
+        if( main_GetIntVariable( INPUT_BROADCAST_VAR,
+                                 INPUT_BROADCAST_DEFAULT ) )
+        {
+            psz_broadcast = main_GetPszVariable( INPUT_BCAST_ADDR_VAR,
+                                                 INPUT_BCAST_ADDR_DEFAULT );
+        }
+        else
+        {
+           psz_broadcast = NULL; 
+        }
+    }
+
+    intf_WarnMsg( 2, "input: server: %s port: %d broadcast: %s",
+                     psz_server, i_port, psz_broadcast );
+
+    /* Open a SOCK_DGRAM (UDP) socket, in the AF_INET domain, automatic (0)
+     * protocol */
+    p_input->i_handle = socket( AF_INET, SOCK_DGRAM, 0 );
+    if( p_input->i_handle == -1 )
+    {
+        intf_ErrMsg("input error: can't create socket : %s", strerror(errno));
+        p_input->b_error = 1;
+        return;
+    }
+
+    /* We may want to reuse an already used socket */
+    i_opt = 1;
+    if( setsockopt( p_input->i_handle, SOL_SOCKET, SO_REUSEADDR,
+                    &i_opt, sizeof( i_opt ) ) == -1 )
+    {
+        intf_ErrMsg( "input error: can't configure socket (SO_REUSEADDR: %s)",
+                     strerror(errno));
+        close( p_input->i_handle );
+        p_input->b_error = 1;
+        return;
+    }
+
+    /* Increase the receive buffer size to 1/2MB (8Mb/s during 1/2s) to avoid
+     * packet loss caused by scheduling problems */
+    i_opt = 0x80000;
+    if( setsockopt( p_input->i_handle, SOL_SOCKET, SO_RCVBUF,
+                    &i_opt, sizeof( i_opt ) ) == -1 )
+    {
+        intf_ErrMsg( "input error: can't configure socket (SO_RCVBUF: %s)", 
+                     strerror(errno));
+        close( p_input->i_handle );
+        p_input->b_error = 1;
+        return;
+    }
+
+    /* Build the local socket */
+    if ( network_BuildLocalAddr( &sock, i_port, psz_broadcast ) == -1 )
+    {
+        intf_ErrMsg( "input error: can't build local address" );
+        close( p_input->i_handle );
+        p_input->b_error = 1;
+        return;
+    }
+    
+    /* Bind it */
+    if( bind( p_input->i_handle, (struct sockaddr *)&sock, 
+              sizeof( sock ) ) < 0 )
+    {
+        intf_ErrMsg("input error: can't bind socket (%s)", strerror(errno));
+        close( p_input->i_handle );
+        p_input->b_error = 1;
+        return;
+    }
+
+    /* Build socket for remote connection */
+    if ( network_BuildRemoteAddr( &sock, psz_server ) == -1 )
+    {
+        intf_ErrMsg( "input error: can't build remote address" );
+        close( p_input->i_handle );
+        p_input->b_error = 1;
+        return;
+    }
+
+    /* And connect it ... should we really connect ? */
+    if( connect( p_input->i_handle, (struct sockaddr *) &sock,
+                 sizeof( sock ) ) == (-1) )
+    {
+        intf_ErrMsg( "input error: can't connect socket, %s", 
+                     strerror(errno) );
+        close( p_input->i_handle );
+        p_input->b_error = 1;
+        return;
+    }
+
+    /* We can't pace control, but FIXME : bug in meuuh's code to sync PCR
+     * with the server. */
+    p_input->stream.b_pace_control = 0;
+    p_input->stream.b_seekable = 0;
+
+    intf_WarnMsg( 3, "input: successfully opened network mode" );
+    
+    return;
+}
+
+/*****************************************************************************
+ * NetworkClose : close a network socket
+ *****************************************************************************/
+static void NetworkClose( input_thread_t * p_input )
+{
+    close( p_input->i_handle );
+
+#ifdef WIN32 
+    WSACleanup();
+#endif
+
+}
+#endif
+