* stream_output.h : stream output module
*****************************************************************************
* Copyright (C) 2002 VideoLAN
- * $Id: stream_output.h,v 1.18 2003/12/07 17:09:33 gbazin Exp $
+ * $Id$
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
* Laurent Aimar <fenrir@via.ecp.fr>
#include "vlc_es.h"
-/*
- * i_allocated_size: size of allocated buffer
- * p_allocated_buffer: where data has been allocated
- *
- * i_buffer_size: sizeof buffer from p_buffer
- * p_buffer: where data begins
- * i_size: size of valid data
- *
- */
-#define SOUT_BUFFER_FLAGS_HEADER 0x0001
-
-/*
- * Flags for muxer/access private usage.
- */
-#define SOUT_BUFFER_FLAGS_PRIVATE_MASK 0xffff0000
-#define SOUT_BUFFER_FLAGS_PRIVATE_SHIFT 16
-
-struct sout_buffer_t
+/****************************************************************************
+ * sout_instance_t: p_sout
+ ****************************************************************************/
+struct sout_instance_t
{
- size_t i_allocated_size;
- byte_t *p_allocated_buffer;
+ VLC_COMMON_MEMBERS
- size_t i_buffer_size;
- byte_t *p_buffer;
+ char *psz_sout;
+ char *psz_chain;
- size_t i_size;
- mtime_t i_length;
+ /* meta data (Read only) XXX it won't be set before the first packet received */
+ vlc_meta_t *p_meta;
- mtime_t i_dts;
- mtime_t i_pts;
+ int i_out_pace_nocontrol; /* count of output that can't control the space */
- uint32_t i_flags;
- int i_bitrate;
+ vlc_mutex_t lock;
+ sout_stream_t *p_stream;
- struct sout_buffer_t *p_next;
+ /* sout private */
+ sout_instance_sys_t *p_sys;
};
-struct sout_fifo_t
+/****************************************************************************
+ * sout_cfg_t:
+ ****************************************************************************/
+struct sout_cfg_t
{
- vlc_mutex_t lock; /* fifo data lock */
- vlc_cond_t wait; /* fifo data conditional variable */
+ sout_cfg_t *p_next;
- int i_depth;
- sout_buffer_t *p_first;
- sout_buffer_t **pp_last;
+ char *psz_name;
+ char *psz_value;
};
-typedef struct sout_stream_id_t sout_stream_id_t;
-
-/* for mux */
-struct sout_input_t
-{
- sout_instance_t *p_sout;
-
- es_format_t *p_fmt;
- sout_fifo_t *p_fifo;
+#define sout_CfgParse( a, b, c, d ) __sout_CfgParse( VLC_OBJECT(a), b, c, d )
+VLC_EXPORT( void, __sout_CfgParse, ( vlc_object_t *, char *psz_prefix, const char **ppsz_options, sout_cfg_t * ) );
+VLC_EXPORT( char *, sout_CfgCreate, ( char **, sout_cfg_t **, char * ) );
- void *p_sys;
-};
+/****************************************************************************
+ * sout_stream_id_t: opaque (private for all sout_stream_t)
+ ****************************************************************************/
+typedef struct sout_stream_id_t sout_stream_id_t;
-/* for packetizer */
+/****************************************************************************
+ * sout_packetizer_input_t: p_sout <-> p_packetizer
+ ****************************************************************************/
struct sout_packetizer_input_t
{
-
sout_instance_t *p_sout;
es_format_t *p_fmt;
sout_stream_id_t *id;
};
+#define sout_NewInstance(a,b) __sout_NewInstance(VLC_OBJECT(a),b)
+VLC_EXPORT( sout_instance_t *, __sout_NewInstance, ( vlc_object_t *, char * ) );
+VLC_EXPORT( void, sout_DeleteInstance, ( sout_instance_t * ) );
-#define SOUT_METHOD_NONE 0x00
-#define SOUT_METHOD_FILE 0x10
-#define SOUT_METHOD_NETWORK 0x20
+VLC_EXPORT( sout_packetizer_input_t *, sout_InputNew,( sout_instance_t *, es_format_t * ) );
+VLC_EXPORT( int, sout_InputDelete, ( sout_packetizer_input_t * ) );
+VLC_EXPORT( int, sout_InputSendBuffer, ( sout_packetizer_input_t *, block_t* ) );
-typedef struct sout_access_out_sys_t sout_access_out_sys_t;
+/****************************************************************************
+ * sout_access_out_t:
+ ****************************************************************************/
struct sout_access_out_t
{
VLC_COMMON_MEMBERS
char *psz_name;
sout_access_out_sys_t *p_sys;
- int (* pf_seek )( sout_access_out_t *,
- off_t );
- int (* pf_write )( sout_access_out_t *,
- sout_buffer_t * );
+ int (*pf_seek)( sout_access_out_t *, off_t );
+ int (*pf_read)( sout_access_out_t *, block_t * );
+ int (*pf_write)( sout_access_out_t *, block_t * );
};
-/*
- * i_query parameter of pf_mux_capacity
- */
-/* SOUT_MUX_CAP_GET_ADD_STREAM_ANY_TIME: p_args=NULL, p_answer=&boolean */
-#define SOUT_MUX_CAP_GET_ADD_STREAM_ANY_TIME 0x01
-/* SOUT_MUX_CAP_GET_STREAMABLE: p_args=NULL, p_answer=&boolean */
-#define SOUT_MUX_CAP_GET_STREAMABLE 0x02
-/* SOUT_MUX_CAP_GET_ADD_STREAM_WAIT: p_args=NULL, p_answer=&boolean */
-#define SOUT_MUX_CAP_GET_ADD_STREAM_WAIT 0x03
-
-/*
- * return error code
- */
-#define SOUT_MUX_CAP_ERR_OK 0x00
-#define SOUT_MUX_CAP_ERR_UNKNOWN 0x01
-#define SOUT_MUX_CAP_ERR_UNIMPLEMENTED 0x02
-
-typedef struct sout_mux_sys_t sout_mux_sys_t;
+VLC_EXPORT( sout_access_out_t *,sout_AccessOutNew, ( sout_instance_t *, char *psz_access, char *psz_name ) );
+VLC_EXPORT( void, sout_AccessOutDelete, ( sout_access_out_t * ) );
+VLC_EXPORT( int, sout_AccessOutSeek, ( sout_access_out_t *, off_t ) );
+VLC_EXPORT( int, sout_AccessOutRead, ( sout_access_out_t *, block_t * ) );
+VLC_EXPORT( int, sout_AccessOutWrite, ( sout_access_out_t *, block_t * ) );
+
+/****************************************************************************
+ * mux:
+ ****************************************************************************/
struct sout_mux_t
{
VLC_COMMON_MEMBERS
- module_t *p_module;
-
- sout_instance_t *p_sout;
+ module_t *p_module;
- char *psz_mux;
- sout_cfg_t *p_cfg;
+ sout_instance_t *p_sout;
- sout_access_out_t *p_access;
+ char *psz_mux;
+ sout_cfg_t *p_cfg;
- int i_preheader;
- int (* pf_capacity) ( sout_mux_t *,
- int, void *, void *);
- int (* pf_addstream )( sout_mux_t *,
- sout_input_t * );
- int (* pf_delstream )( sout_mux_t *,
- sout_input_t * );
- int (* pf_mux ) ( sout_mux_t * );
+ sout_access_out_t *p_access;
+ int (*pf_addstream)( sout_mux_t *, sout_input_t * );
+ int (*pf_delstream)( sout_mux_t *, sout_input_t * );
+ int (*pf_mux) ( sout_mux_t * );
+ int (*pf_control) ( sout_mux_t *, int, va_list );
/* here are all inputs accepted by muxer */
- int i_nb_inputs;
- sout_input_t **pp_inputs;
+ int i_nb_inputs;
+ sout_input_t **pp_inputs;
/* mux private */
- sout_mux_sys_t *p_sys;
+ sout_mux_sys_t *p_sys;
-#if 0
- /* creater private */
- void *p_sys_owner;
-#endif
-
/* XXX private to stream_output.c */
/* if muxer doesn't support adding stream at any time then we first wait
* for stream then we refuse all stream and start muxing */
mtime_t i_add_stream_start;
};
+enum sout_mux_query_e
+{
+ /* capabilities */
+ MUX_CAN_ADD_STREAM_WHILE_MUXING, /* arg1= vlc_bool_t *, res=cannot fail */
+ /* properties */
+ MUX_GET_ADD_STREAM_WAIT, /* arg1= vlc_bool_t *, res=cannot fail */
+ MUX_GET_MIME, /* arg1= char ** res=can fail */
+};
-
-struct sout_cfg_t
+struct sout_input_t
{
- sout_cfg_t *p_next;
+ sout_instance_t *p_sout;
- char *psz_name;
- char *psz_value;
+ es_format_t *p_fmt;
+ block_fifo_t *p_fifo;
+
+ void *p_sys;
};
-typedef struct sout_stream_sys_t sout_stream_sys_t;
+
+VLC_EXPORT( sout_mux_t *, sout_MuxNew, ( sout_instance_t*, char *, sout_access_out_t * ) );
+VLC_EXPORT( sout_input_t *, sout_MuxAddStream, ( sout_mux_t *, es_format_t * ) );
+VLC_EXPORT( void, sout_MuxDeleteStream, ( sout_mux_t *, sout_input_t * ) );
+VLC_EXPORT( void, sout_MuxDelete, ( sout_mux_t * ) );
+VLC_EXPORT( void, sout_MuxSendBuffer, ( sout_mux_t *, sout_input_t *, block_t * ) );
+
+static inline int sout_MuxControl( sout_mux_t *p_mux, int i_query, ... )
+{
+ va_list args;
+ int i_result;
+
+ va_start( args, i_query );
+ i_result = p_mux->pf_control( p_mux, i_query, args );
+ va_end( args );
+ return i_result;
+}
+
+/****************************************************************************
+ * sout_stream:
+ ****************************************************************************/
struct sout_stream_t
{
VLC_COMMON_MEMBERS
- module_t *p_module;
- sout_instance_t *p_sout;
+ module_t *p_module;
+ sout_instance_t *p_sout;
- char *psz_name;
- sout_cfg_t *p_cfg;
- char *psz_next;
+ char *psz_name;
+ sout_cfg_t *p_cfg;
+ char *psz_next;
/* add, remove a stream */
- sout_stream_id_t * (*pf_add) ( sout_stream_t *, es_format_t * );
- int (*pf_del) ( sout_stream_t *, sout_stream_id_t * );
-
+ sout_stream_id_t *(*pf_add)( sout_stream_t *, es_format_t * );
+ int (*pf_del)( sout_stream_t *, sout_stream_id_t * );
/* manage a packet */
- int (*pf_send)( sout_stream_t *, sout_stream_id_t *, sout_buffer_t* );
+ int (*pf_send)( sout_stream_t *, sout_stream_id_t *, block_t* );
/* private */
- sout_stream_sys_t *p_sys;
+ sout_stream_sys_t *p_sys;
};
-typedef struct sout_instance_sys_t sout_instance_sys_t;
-struct sout_instance_t
+VLC_EXPORT( sout_stream_t *, sout_StreamNew, ( sout_instance_t *, char *psz_chain ) );
+VLC_EXPORT( void, sout_StreamDelete, ( sout_stream_t * ) );
+
+static inline sout_stream_id_t *sout_StreamIdAdd( sout_stream_t *s, es_format_t *fmt )
{
- VLC_COMMON_MEMBERS
+ return s->pf_add( s, fmt );
+}
+static inline int sout_StreamIdDel( sout_stream_t *s, sout_stream_id_t *id )
+{
+ return s->pf_del( s, id );
+}
+static inline int sout_StreamIdSend( sout_stream_t *s, sout_stream_id_t *id, block_t *b )
+{
+ return s->pf_send( s, id, b );
+}
- char * psz_sout;
- char * psz_chain;
+/****************************************************************************
+ * Announce handler mess
+ ****************************************************************************/
+struct sap_session_t;
- /* muxer data */
- int i_preheader; /* max over all muxer */
+struct session_descriptor_t
+{
+ char *psz_name;
+ char *psz_uri;
+ int i_port;
+ int i_ttl;
+ int i_payload; /* SAP Payload type */
+
+ sap_session_t *p_sap; /* If we have a sap session, remember it */
+ char *psz_sdp;
+};
+
+#define METHOD_TYPE_SAP 1
+#define METHOD_TYPE_SLP 2
- int i_padding; /* needed by some decoders */
+struct announce_method_t
+{
+ int i_type;
- vlc_mutex_t lock;
- sout_stream_t *p_stream;
+ /* For SAP */
+ int i_ip_version;
+ char *psz_ipv6_scope;
+ char *psz_address; /* If we use a custom address */
+};
- /* sout private */
- sout_instance_sys_t *p_sys;
+
+/* SAP Specific structures */
+
+/* 100ms */
+#define SAP_IDLE ((mtime_t)(0.100*CLOCK_FREQ))
+#define SAP_MAX_BUFFER 65534
+#define MIN_INTERVAL 2
+#define MAX_INTERVAL 300
+
+/* A SAP announce address. For each of these, we run the
+ * control flow algorithm */
+struct sap_address_t
+{
+ char *psz_address;
+ int i_ip_version;
+ int i_port;
+ int i_rfd; /* Read socket */
+ int i_wfd; /* Write socket */
+
+ /* Used for flow control */
+ mtime_t t1;
+ vlc_bool_t b_enabled;
+ vlc_bool_t b_ready;
+ int i_interval;
+ int i_buff;
+ int i_limit;
};
+/* A SAP session descriptor, enqueued in the SAP handler queue */
+struct sap_session_t
+{
+ char *psz_sdp;
+ char *psz_data;
+ int i_length;
+ sap_address_t *p_address;
+
+ /* Last and next send */
+ mtime_t i_last;
+ mtime_t i_next;
+};
+
+/* The SAP handler, running in a separate thread */
+struct sap_handler_t
+{
+ VLC_COMMON_MEMBERS /* needed to create a thread */
+
+ sap_session_t **pp_sessions;
+ sap_address_t **pp_addresses;
+
+ vlc_bool_t b_control;
+
+ int i_sessions;
+ int i_addresses;
+
+ int i_current_session;
+
+ int (*pf_add) ( sap_handler_t*, session_descriptor_t *,announce_method_t*);
+ int (*pf_del) ( sap_handler_t*, session_descriptor_t *);
+};
+
+/* The main announce handler object */
+struct announce_handler_t
+{
+ VLC_COMMON_MEMBERS
+
+ sap_handler_t *p_sap;
+};
+
+/* End */
+
+
static inline sout_cfg_t *sout_cfg_find( sout_cfg_t *p_cfg, char *psz_name )
{
while( p_cfg && strcmp( p_cfg->psz_name, psz_name ) )
return NULL;
}
-/*****************************************************************************
- * Prototypes
- *****************************************************************************/
-#define sout_NewInstance(a,b) __sout_NewInstance(VLC_OBJECT(a),b)
-VLC_EXPORT( sout_instance_t *, __sout_NewInstance, ( vlc_object_t *, char * ) );
-VLC_EXPORT( void, sout_DeleteInstance, ( sout_instance_t * ) );
-
-VLC_EXPORT( sout_fifo_t *, sout_FifoCreate, ( sout_instance_t * ) );
-VLC_EXPORT( void, sout_FifoDestroy, ( sout_instance_t *, sout_fifo_t * ) );
-VLC_EXPORT( void, sout_FifoFree, ( sout_instance_t *,sout_fifo_t * ) );
-
-VLC_EXPORT( void, sout_FifoPut, ( sout_fifo_t *, sout_buffer_t* ) );
-VLC_EXPORT( sout_buffer_t *, sout_FifoGet, ( sout_fifo_t * ) );
-VLC_EXPORT( sout_buffer_t *, sout_FifoShow, ( sout_fifo_t * ) );
-
-
-#define sout_InputNew( a, b ) __sout_InputNew( VLC_OBJECT(a), b )
-VLC_EXPORT( sout_packetizer_input_t *, __sout_InputNew, ( vlc_object_t *, es_format_t * ) );
-VLC_EXPORT( int, sout_InputDelete, ( sout_packetizer_input_t * ) );
-VLC_EXPORT( int, sout_InputSendBuffer, ( sout_packetizer_input_t *, sout_buffer_t* ) );
-VLC_EXPORT( sout_buffer_t*, sout_BufferNew, ( sout_instance_t *, size_t ) );
-VLC_EXPORT( int, sout_BufferRealloc,( sout_instance_t *, sout_buffer_t*, size_t ) );
-VLC_EXPORT( int, sout_BufferReallocFromPreHeader,( sout_instance_t *, sout_buffer_t*, size_t ) );
-VLC_EXPORT( int, sout_BufferDelete, ( sout_instance_t *, sout_buffer_t* ) );
-VLC_EXPORT( sout_buffer_t*, sout_BufferDuplicate,(sout_instance_t *, sout_buffer_t * ) );
-VLC_EXPORT( void, sout_BufferChain, ( sout_buffer_t **, sout_buffer_t * ) );
+/* Announce system */
+VLC_EXPORT( int, sout_AnnounceRegister, (sout_instance_t *,session_descriptor_t*, announce_method_t* ) );
+VLC_EXPORT(session_descriptor_t*,sout_AnnounceRegisterSDP, (sout_instance_t *,char *, announce_method_t* ) );
+VLC_EXPORT( int, sout_AnnounceUnRegister, (sout_instance_t *,session_descriptor_t* ) );
-VLC_EXPORT( sout_access_out_t *, sout_AccessOutNew, ( sout_instance_t *, char *psz_access, char *psz_name ) );
-VLC_EXPORT( void, sout_AccessOutDelete, ( sout_access_out_t * ) );
-VLC_EXPORT( int, sout_AccessOutSeek, ( sout_access_out_t *, off_t ) );
-VLC_EXPORT( int, sout_AccessOutWrite, ( sout_access_out_t *, sout_buffer_t * ) );
+VLC_EXPORT(session_descriptor_t*,sout_AnnounceSessionCreate, () );
+VLC_EXPORT(void, sout_AnnounceSessionDestroy, (session_descriptor_t *) );
+VLC_EXPORT(announce_method_t*, sout_AnnounceMethodCreate, (int) );
-VLC_EXPORT( sout_mux_t *, sout_MuxNew, ( sout_instance_t*, char *, sout_access_out_t * ) );
-VLC_EXPORT( sout_input_t *, sout_MuxAddStream, ( sout_mux_t *, es_format_t * ) );
-VLC_EXPORT( void, sout_MuxDeleteStream, ( sout_mux_t *, sout_input_t * ) );
-VLC_EXPORT( void, sout_MuxDelete, ( sout_mux_t * ) );
-VLC_EXPORT( void, sout_MuxSendBuffer, ( sout_mux_t *, sout_input_t *, sout_buffer_t * ) );
+#define announce_HandlerCreate(a) __announce_HandlerCreate(VLC_OBJECT(a))
+announce_handler_t* __announce_HandlerCreate( vlc_object_t *);
-VLC_EXPORT( char *, sout_cfg_parser, ( char **, sout_cfg_t **, char * ) );
-VLC_EXPORT( sout_stream_t *, sout_stream_new, ( sout_instance_t *, char *psz_chain ) );
-VLC_EXPORT( void, sout_stream_delete, ( sout_stream_t *p_stream ) );
+/* Private functions for the announce handler */
+int announce_HandlerDestroy( announce_handler_t * );
+int announce_Register( announce_handler_t *p_announce,
+ session_descriptor_t *p_session,
+ announce_method_t *p_method );
+int announce_UnRegister( announce_handler_t *p_announce,
+ session_descriptor_t *p_session );
+sap_handler_t *announce_SAPHandlerCreate( announce_handler_t *p_announce );
+void announce_SAPHandlerDestroy( sap_handler_t *p_sap );