/*****************************************************************************
- * udp.c: raw UDP & RTP access plug-in
+ * udp.c: raw UDP & RTP input module
*****************************************************************************
- * Copyright (C) 2001, 2002 VideoLAN
- * $Id: udp.c,v 1.26 2003/12/04 16:49:43 sam Exp $
+ * Copyright (C) 2001-2004 VideoLAN
+ * $Id$
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
* Tristan Leteurtre <tooney@via.ecp.fr>
+ * Laurent Aimar <fenrir@via.ecp.fr>
*
* Reviewed: 23 October 2003, Jean-Paul Saman <jpsaman@wxs.nl>
*
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Preamble
*****************************************************************************/
#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <string.h>
-#include <errno.h>
-#include <fcntl.h>
#include <vlc/vlc.h>
#include <vlc/input.h>
-#ifdef HAVE_SYS_TIME_H
-# include <sys/time.h>
-#endif
-
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-
-#ifdef WIN32
-# include <winsock2.h>
-# include <ws2tcpip.h>
-# ifndef IN_MULTICAST
-# define IN_MULTICAST(a) IN_CLASSD(a)
-# endif
-#else
-# include <sys/socket.h>
-#endif
-
#include "network.h"
-#define RTP_HEADER_LEN 12
-
-/*****************************************************************************
- * Local prototypes
- *****************************************************************************/
-static int Open ( vlc_object_t * );
-static void Close ( vlc_object_t * );
-static ssize_t Read ( input_thread_t *, byte_t *, size_t );
-static ssize_t RTPRead ( input_thread_t *, byte_t *, size_t );
-static ssize_t RTPChoose( input_thread_t *, byte_t *, size_t );
-
/*****************************************************************************
* Module descriptor
*****************************************************************************/
-#define CACHING_TEXT N_("caching value in ms")
+#define CACHING_TEXT N_("Caching value in ms")
#define CACHING_LONGTEXT N_( \
- "Allows you to modify the default caching value for udp streams. This " \
- "value should be set in miliseconds units." )
+ "Allows you to modify the default caching value for UDP streams. This " \
+ "value should be set in millisecond units." )
+
+#define AUTO_MTU_TEXT N_("Autodetection of MTU")
+#define AUTO_MTU_LONGTEXT N_( \
+ "Allows growing the MTU if truncated packets are found" )
+
+static int Open ( vlc_object_t * );
+static void Close( vlc_object_t * );
vlc_module_begin();
set_description( _("UDP/RTP input") );
- add_category_hint( N_("UDP"), NULL , VLC_TRUE );
- add_integer( "udp-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
- set_capability( "access", 0 );
+
+ add_integer( "udp-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT,
+ CACHING_LONGTEXT, VLC_TRUE );
+ add_bool( "udp-auto-mtu", 1, NULL,
+ AUTO_MTU_TEXT, AUTO_MTU_LONGTEXT, VLC_TRUE );
+
+ set_capability( "access2", 0 );
add_shortcut( "udp" );
add_shortcut( "udpstream" );
add_shortcut( "udp4" );
set_callbacks( Open, Close );
vlc_module_end();
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+#define RTP_HEADER_LEN 12
+
+static block_t *BlockUDP( access_t * );
+static block_t *BlockRTP( access_t * );
+static block_t *BlockChoose( access_t * );
+static int Control( access_t *, int, va_list );
+
+struct access_sys_t
+{
+ int fd;
+
+ int i_mtu;
+ vlc_bool_t b_auto_mtu;
+};
+
/*****************************************************************************
* Open: open the socket
*****************************************************************************/
static int Open( vlc_object_t *p_this )
{
- input_thread_t * p_input = (input_thread_t *)p_this;
- input_socket_t * p_access_data;
- module_t * p_network;
- char * psz_network = "";
- char * psz_name = strdup(p_input->psz_name);
- char * psz_parser = psz_name;
- char * psz_server_addr = "";
- char * psz_server_port = "";
- char * psz_bind_addr = "";
- char * psz_bind_port = "";
- int i_bind_port = 0, i_server_port = 0;
- network_socket_t socket_desc;
- vlc_value_t val;
-
- if( config_GetInt( p_input, "ipv4" ) )
- {
- psz_network = "ipv4";
- }
- if( config_GetInt( p_input, "ipv6" ) )
- {
- psz_network = "ipv6";
- }
+ access_t *p_access = (access_t*)p_this;
+ access_sys_t *p_sys;
+
+ char *psz_name = strdup( p_access->psz_path );
+ char *psz_parser = psz_name;
+ char *psz_server_addr = "";
+ char *psz_server_port = "";
+ char *psz_bind_addr = "";
+ char *psz_bind_port = "";
+ int i_bind_port = 0;
+ int i_server_port = 0;
+
- if( *p_input->psz_access )
+ /* First set ipv4/ipv6 */
+ var_Create( p_access, "ipv4", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
+ var_Create( p_access, "ipv6", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
+
+ if( *p_access->psz_access )
{
+ vlc_value_t val;
/* Find out which shortcut was used */
- if( !strncmp( p_input->psz_access, "udp6", 5 ) )
+ if( !strncmp( p_access->psz_access, "udp4", 6 ) ||
+ !strncmp( p_access->psz_access, "rtp4", 6 ))
{
- psz_network = "ipv6";
+ val.b_bool = VLC_TRUE;
+ var_Set( p_access, "ipv4", val );
+
+ val.b_bool = VLC_FALSE;
+ var_Set( p_access, "ipv6", val );
}
- else if( !strncmp( p_input->psz_access, "udp4", 5 ) )
+ else if( !strncmp( p_access->psz_access, "udp6", 6 ) ||
+ !strncmp( p_access->psz_access, "rtp6", 6 ) )
{
- psz_network = "ipv4";
+ val.b_bool = VLC_TRUE;
+ var_Set( p_access, "ipv6", val );
+
+ val.b_bool = VLC_FALSE;
+ var_Set( p_access, "ipv4", val );
}
}
/* Parse psz_name syntax :
* [serveraddr[:serverport]][@[bindaddr]:[bindport]] */
-
if( *psz_parser && *psz_parser != '@' )
{
/* Found server */
if( *psz_parser == ':' )
{
/* Found server port */
- *psz_parser = '\0'; /* Terminate server name */
- psz_parser++;
+ *psz_parser++ = '\0'; /* Terminate server name */
psz_server_port = psz_parser;
while( *psz_parser && *psz_parser != '@' )
if( *psz_parser == '@' )
{
/* Found bind address or bind port */
- *psz_parser = '\0'; /* Terminate server port or name if necessary */
- psz_parser++;
+ *psz_parser++ = '\0'; /* Terminate server port or name if necessary */
if( *psz_parser && *psz_parser != ':' )
{
if( *psz_parser == ':' )
{
/* Found bind port */
- *psz_parser = '\0'; /* Terminate bind address if necessary */
- psz_parser++;
-
+ *psz_parser++ = '\0'; /* Terminate bind address if necessary */
psz_bind_port = psz_parser;
}
}
- /* Convert ports format */
- if( *psz_server_port )
+ i_server_port = strtol( psz_server_port, NULL, 10 );
+ if( ( i_bind_port = strtol( psz_bind_port, NULL, 10 ) ) == 0 )
{
- i_server_port = strtol( psz_server_port, &psz_parser, 10 );
- if( *psz_parser )
- {
- msg_Err( p_input, "cannot parse server port near %s", psz_parser );
- free(psz_name);
- return( -1 );
- }
+ i_bind_port = var_CreateGetInteger( p_access, "server-port" );
}
- if( *psz_bind_port )
- {
- i_bind_port = strtol( psz_bind_port, &psz_parser, 10 );
- if( *psz_parser )
- {
- msg_Err( p_input, "cannot parse bind port near %s", psz_parser );
- free(psz_name);
- return( -1 );
- }
- }
-
- if( i_bind_port == 0 )
- {
- i_bind_port = config_GetInt( p_this, "server-port" );
- }
-
- p_input->pf_read = RTPChoose;
- p_input->pf_set_program = input_SetProgram;
- p_input->pf_set_area = NULL;
- p_input->pf_seek = NULL;
-
- vlc_mutex_lock( &p_input->stream.stream_lock );
- p_input->stream.b_pace_control = 0;
- p_input->stream.b_seekable = 0;
- p_input->stream.p_selected_area->i_tell = 0;
- p_input->stream.i_method = INPUT_METHOD_NETWORK;
- vlc_mutex_unlock( &p_input->stream.stream_lock );
-
- if( *psz_server_addr || i_server_port )
- {
- msg_Err( p_input, "this UDP syntax is deprecated; the server argument will be");
- msg_Err( p_input, "ignored (%s:%d). If you wanted to enter a multicast address",
- psz_server_addr, i_server_port);
- msg_Err( p_input, "or local port, type : %s:@%s:%d",
- *p_input->psz_access ? p_input->psz_access : "udp",
- psz_server_addr, i_server_port );
-
- i_server_port = 0;
- psz_server_addr = "";
- }
-
- msg_Dbg( p_input, "opening server=%s:%d local=%s:%d",
+ msg_Dbg( p_access, "opening server=%s:%d local=%s:%d",
psz_server_addr, i_server_port, psz_bind_addr, i_bind_port );
- /* Prepare the network_socket_t structure */
- socket_desc.i_type = NETWORK_UDP;
- socket_desc.psz_bind_addr = psz_bind_addr;
- socket_desc.i_bind_port = i_bind_port;
- socket_desc.psz_server_addr = psz_server_addr;
- socket_desc.i_server_port = i_server_port;
- socket_desc.i_ttl = 0;
-
- /* Find an appropriate network module */
- p_input->p_private = (void*) &socket_desc;
- p_network = module_Need( p_input, "network", psz_network );
- free(psz_name);
- if( p_network == NULL )
+ /* Set up p_access */
+ p_access->pf_read = NULL;
+ p_access->pf_block = BlockChoose;
+ p_access->pf_control = Control;
+ p_access->pf_seek = NULL;
+ p_access->info.i_update = 0;
+ p_access->info.i_size = 0;
+ p_access->info.i_pos = 0;
+ p_access->info.b_eof = VLC_FALSE;
+ p_access->info.i_title = 0;
+ p_access->info.i_seekpoint = 0;
+
+ p_access->p_sys = p_sys = malloc( sizeof( access_sys_t ) );
+ p_sys->fd = net_OpenUDP( p_access, psz_bind_addr, i_bind_port,
+ psz_server_addr, i_server_port );
+ if( p_sys->fd < 0 )
{
- return( -1 );
+ msg_Err( p_access, "cannot open socket" );
+ free( psz_name );
+ free( p_sys );
+ return VLC_EGENERIC;
}
- module_Unneed( p_input, p_network );
+ free( psz_name );
- p_access_data = malloc( sizeof(input_socket_t) );
- p_input->p_access_data = (access_sys_t *)p_access_data;
+ /* FIXME */
+ p_sys->i_mtu = var_CreateGetInteger( p_access, "mtu" );
+ if( p_sys->i_mtu <= 1 )
+ p_sys->i_mtu = 1500; /* Avoid problem */
- if( p_access_data == NULL )
- {
- msg_Err( p_input, "out of memory" );
- return( -1 );
- }
-
- p_access_data->i_handle = socket_desc.i_handle;
- p_input->i_mtu = socket_desc.i_mtu;
+ p_sys->b_auto_mtu = var_CreateGetBool( p_access, "udp-auto-mtu" );;
/* Update default_pts to a suitable value for udp access */
- var_Create( p_input, "udp-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Get( p_input, "udp-caching", &val );
- p_input->i_pts_delay = val.i_int * 1000;
+ var_Create( p_access, "udp-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- return( 0 );
+ return VLC_SUCCESS;
}
/*****************************************************************************
*****************************************************************************/
static void Close( vlc_object_t *p_this )
{
- input_thread_t * p_input = (input_thread_t *)p_this;
- input_socket_t * p_access_data = (input_socket_t *)p_input->p_access_data;
-
- msg_Info( p_input, "closing UDP target `%s'", p_input->psz_source );
+ access_t *p_access = (access_t*)p_this;
+ access_sys_t *p_sys = p_access->p_sys;
-#ifdef UNDER_CE
- CloseHandle( (HANDLE)p_access_data->i_handle );
-#elif defined( WIN32 )
- closesocket( p_access_data->i_handle );
-#else
- close( p_access_data->i_handle );
-#endif
-
- free( p_access_data );
+ net_Close( p_sys->fd );
+ free( p_sys );
}
/*****************************************************************************
- * Read: read on a file descriptor, checking b_die periodically
+ * Control:
*****************************************************************************/
-static ssize_t Read( input_thread_t * p_input, byte_t * p_buffer, size_t i_len )
+static int Control( access_t *p_access, int i_query, va_list args )
{
-#ifdef UNDER_CE
- return -1;
-
-#else
- input_socket_t * p_access_data = (input_socket_t *)p_input->p_access_data;
- struct timeval timeout;
- fd_set fds;
- ssize_t i_recv;
- int i_ret;
-
- /* Initialize file descriptor set */
- FD_ZERO( &fds );
- FD_SET( p_access_data->i_handle, &fds );
-
- /* We'll wait 0.5 second if nothing happens */
- timeout.tv_sec = 0;
- timeout.tv_usec = 500000;
-
- /* Find if some data is available */
- while( ((i_ret = select( p_access_data->i_handle + 1, &fds,
- NULL, NULL, &timeout )) == 0)
- || ((i_ret < 0) && (errno == EINTR)) )
+ access_sys_t *p_sys = p_access->p_sys;
+ vlc_bool_t *pb_bool;
+ int *pi_int;
+ int64_t *pi_64;
+
+ switch( i_query )
{
- FD_ZERO( &fds );
- FD_SET( p_access_data->i_handle, &fds );
- timeout.tv_sec = 0;
- timeout.tv_usec = 500000;
+ /* */
+ case ACCESS_CAN_SEEK:
+ case ACCESS_CAN_FASTSEEK:
+ case ACCESS_CAN_PAUSE:
+ case ACCESS_CAN_CONTROL_PACE:
+ pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
+ *pb_bool = VLC_FALSE;
+ break;
+ /* */
+ case ACCESS_GET_MTU:
+ pi_int = (int*)va_arg( args, int * );
+ *pi_int = p_sys->i_mtu;
+ break;
+
+ case ACCESS_GET_PTS_DELAY:
+ pi_64 = (int64_t*)va_arg( args, int64_t * );
+ *pi_64 = var_GetInteger( p_access, "udp-caching" ) * 1000;
+ break;
+
+ /* */
+ case ACCESS_SET_PAUSE_STATE:
+ case ACCESS_GET_TITLE_INFO:
+ case ACCESS_SET_TITLE:
+ case ACCESS_SET_SEEKPOINT:
+ case ACCESS_SET_PRIVATE_ID_STATE:
+ return VLC_EGENERIC;
+
+ default:
+ msg_Warn( p_access, "unimplemented query in control" );
+ return VLC_EGENERIC;
- if( p_input->b_die || p_input->b_error )
- {
- return 0;
- }
}
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * BlockUDP:
+ *****************************************************************************/
+static block_t *BlockUDP( access_t *p_access )
+{
+ access_sys_t *p_sys = p_access->p_sys;
+ block_t *p_block;
- if( i_ret < 0 )
+ /* Read data */
+ p_block = block_New( p_access, p_sys->i_mtu );
+ p_block->i_buffer = net_Read( p_access, p_sys->fd, p_block->p_buffer, p_sys->i_mtu, VLC_FALSE );
+ if( p_block->i_buffer <= 0 )
{
- msg_Err( p_input, "network select error (%s)", strerror(errno) );
- return -1;
+ block_Release( p_block );
+ return NULL;
}
- i_recv = recv( p_access_data->i_handle, p_buffer, i_len, 0 );
-
- if( i_recv < 0 )
+ if( p_block->i_buffer >= p_sys->i_mtu && p_sys->b_auto_mtu &&
+ p_sys->i_mtu < 32767 )
{
-#ifdef WIN32
- /* On win32 recv() will fail if the datagram doesn't fit inside
- * the passed buffer, even though the buffer will be filled with
- * the first part of the datagram. */
- if( WSAGetLastError() == WSAEMSGSIZE )
- {
- msg_Err( p_input, "recv() failed. "
- "Increase the mtu size (--mtu option)" );
- i_recv = i_len;
- }
- else
-#endif
- msg_Err( p_input, "recv failed (%s)", strerror(errno) );
+ /* Increase by 100% */
+ p_sys->i_mtu *= 2;
+ msg_Dbg( p_access, "increasing MTU to %d", p_sys->i_mtu );
}
- return i_recv;
-
-#endif
+ return p_block;
}
/*****************************************************************************
- * RTPRead : read from the network, and parse the RTP header
+ * BlockParseRTP/BlockRTP:
*****************************************************************************/
-static ssize_t RTPRead( input_thread_t * p_input, byte_t * p_buffer,
- size_t i_len )
+static block_t *BlockParseRTP( access_t *p_access, block_t *p_block )
{
- int i_rtp_version;
- int i_CSRC_count;
- int i_payload_type;
- int i_skip = 0;
-
- byte_t * p_tmp_buffer = alloca( p_input->i_mtu );
-
- /* Get the raw data from the socket.
- * We first assume that RTP header size is the classic RTP_HEADER_LEN. */
- ssize_t i_ret = Read( p_input, p_tmp_buffer, p_input->i_mtu );
+ int i_rtp_version;
+ int i_CSRC_count;
+ int i_payload_type;
+ int i_skip = 0;
- if ( i_ret <= 0 ) return 0; /* i_ret is at least 1 */
+ if( p_block->i_buffer < RTP_HEADER_LEN )
+ goto trash;
/* Parse the header and make some verifications.
* See RFC 1889 & RFC 2250. */
-
- i_rtp_version = ( p_tmp_buffer[0] & 0xC0 ) >> 6;
- i_CSRC_count = ( p_tmp_buffer[0] & 0x0F );
- i_payload_type = ( p_tmp_buffer[1] & 0x7F );
+ i_rtp_version = ( p_block->p_buffer[0] & 0xC0 ) >> 6;
+ i_CSRC_count = ( p_block->p_buffer[0] & 0x0F );
+ i_payload_type = ( p_block->p_buffer[1] & 0x7F );
if ( i_rtp_version != 2 )
- msg_Dbg( p_input, "RTP version is %u, should be 2", i_rtp_version );
+ msg_Dbg( p_access, "RTP version is %u, should be 2", i_rtp_version );
if( i_payload_type == 14 )
- {
i_skip = 4;
- }
else if( i_payload_type != 33 && i_payload_type != 32 )
- {
- msg_Dbg( p_input, "unsupported RTP payload type (%u)", i_payload_type );
- }
+ msg_Dbg( p_access, "unsupported RTP payload type (%u)", i_payload_type );
+
i_skip += RTP_HEADER_LEN + 4*i_CSRC_count;
/* A CSRC extension field is 32 bits in size (4 bytes) */
- if ( i_ret < i_skip )
- {
- /* Packet is not big enough to hold the complete RTP_HEADER with
- * CSRC extensions.
- */
- msg_Warn( p_input, "RTP input trashing %d bytes", i_ret - i_len );
- return 0;
- }
+ if( i_skip >= p_block->i_buffer )
+ goto trash;
/* Return the packet without the RTP header. */
- i_ret -= i_skip;
+ p_block->i_buffer -= i_skip;
+ p_block->p_buffer += i_skip;
- if ( (size_t)i_ret > i_len )
- {
- /* This should NOT happen. */
- msg_Warn( p_input, "RTP input trashing %d bytes", i_ret - i_len );
- i_ret = i_len;
- }
+ return p_block;
- p_input->p_vlc->pf_memcpy( p_buffer, &p_tmp_buffer[i_skip], i_ret );
+trash:
+ msg_Warn( p_access, "received a too short packet for RTP" );
+ block_Release( p_block );
+ return NULL;
+}
- return i_ret;
+static block_t *BlockRTP( access_t *p_access )
+{
+ return BlockParseRTP( p_access, BlockUDP( p_access ) );
}
/*****************************************************************************
- * RTPChoose : read from the network, and decide whether it's UDP or RTP
+ * BlockChoose: decide between RTP and UDP
*****************************************************************************/
-static ssize_t RTPChoose( input_thread_t * p_input, byte_t * p_buffer,
- size_t i_len )
+static block_t *BlockChoose( access_t *p_access )
{
- int i_rtp_version;
- int i_CSRC_count;
- int i_payload_type;
-
- byte_t * p_tmp_buffer = alloca( p_input->i_mtu );
+ block_t *p_block;
+ int i_rtp_version;
+ int i_CSRC_count;
+ int i_payload_type;
- /* Get the raw data from the socket.
- * We first assume that RTP header size is the classic RTP_HEADER_LEN. */
- ssize_t i_ret = Read( p_input, p_tmp_buffer, p_input->i_mtu );
+ if( ( p_block = BlockUDP( p_access ) ) == NULL )
+ return NULL;
- if ( i_ret <= 0 ) return 0; /* i_ret is at least 1 */
-
- /* Check that it's not TS. */
- if ( p_tmp_buffer[0] == 0x47 )
+ if( p_block->p_buffer[0] == 0x47 )
{
- msg_Dbg( p_input, "detected TS over raw UDP" );
- p_input->pf_read = Read;
- p_input->p_vlc->pf_memcpy( p_buffer, p_tmp_buffer, i_ret );
- return i_ret;
+ msg_Dbg( p_access, "detected TS over raw UDP" );
+ p_access->pf_block = BlockUDP;
+ return p_block;
}
+ if( p_block->i_buffer < RTP_HEADER_LEN )
+ return p_block;
+
/* Parse the header and make some verifications.
* See RFC 1889 & RFC 2250. */
- i_rtp_version = ( p_tmp_buffer[0] & 0xC0 ) >> 6;
- i_CSRC_count = ( p_tmp_buffer[0] & 0x0F );
- i_payload_type = ( p_tmp_buffer[1] & 0x7F );
+ i_rtp_version = ( p_block->p_buffer[0] & 0xC0 ) >> 6;
+ i_CSRC_count = ( p_block->p_buffer[0] & 0x0F );
+ i_payload_type = ( p_block->p_buffer[1] & 0x7F );
- if ( i_rtp_version != 2 )
+ if( i_rtp_version != 2 )
{
- msg_Dbg( p_input, "no supported RTP header detected" );
- p_input->pf_read = Read;
- p_input->p_vlc->pf_memcpy( p_buffer, p_tmp_buffer, i_ret );
- return i_ret;
+ msg_Dbg( p_access, "no supported RTP header detected" );
+ p_access->pf_block = BlockUDP;
+ return p_block;
}
- switch ( i_payload_type )
- {
- case 33:
- msg_Dbg( p_input, "detected TS over RTP" );
- break;
-
- case 14:
- msg_Dbg( p_input, "detected MPEG audio over RTP" );
- if( !p_input->psz_demux || *p_input->psz_demux == '\0' )
- {
- p_input->psz_demux = "mp3";
- }
- break;
-
- case 32:
- msg_Dbg( p_input, "detected MPEG video over RTP" );
- break;
-
- default:
- msg_Dbg( p_input, "no RTP header detected" );
- p_input->pf_read = Read;
- p_input->p_vlc->pf_memcpy( p_buffer, p_tmp_buffer, i_ret );
- return i_ret;
- }
-
- p_input->pf_read = RTPRead;
-
- /* A CSRC extension field is 32 bits in size (4 bytes) */
- if( i_ret < RTP_HEADER_LEN + 4*i_CSRC_count )
- {
- /* Packet is not big enough to hold the complete RTP_HEADER with
- * CSRC extensions.
- */
- msg_Warn( p_input, "RTP input trashing %d bytes", i_ret - i_len );
- return 0;
- }
-
- /* Return the packet without the RTP header. */
- i_ret -= RTP_HEADER_LEN + 4*i_CSRC_count;
-
- if ( (size_t)i_ret > i_len )
+ switch( i_payload_type )
{
- /* This should NOT happen. */
- msg_Warn( p_input, "RTP input trashing %d bytes", i_ret - i_len );
- i_ret = i_len;
+ case 33:
+ msg_Dbg( p_access, "detected TS over RTP" );
+ p_access->psz_demux = strdup( "ts" );
+ break;
+
+ case 14:
+ msg_Dbg( p_access, "detected MPEG audio over RTP" );
+ p_access->psz_demux = strdup( "mp3" );
+ break;
+
+ case 32:
+ msg_Dbg( p_access, "detected MPEG video over RTP" );
+ p_access->psz_demux = strdup( "es" );
+ break;
+
+ default:
+ msg_Dbg( p_access, "no RTP header detected" );
+ p_access->pf_block = BlockUDP;
+ return p_block;
}
- p_input->p_vlc->pf_memcpy( p_buffer, &p_tmp_buffer[RTP_HEADER_LEN + 4*i_CSRC_count], i_ret );
+ p_access->pf_block = BlockRTP;
- return i_ret;
+ return BlockParseRTP( p_access, p_block );
}
projects / vlc / blobdiff