]> git.sesse.net Git - vlc/blobdiff - include/stream_output.h
* include/interface.h: renamed this file to vlc_interface.h to avoid name
[vlc] / include / stream_output.h
index b44a74aa8dcbce90e0c75a609a9fd095fa52becd..56ac3f3eaff6b26e7ce15fbbc28baecdd33aefe2 100644 (file)
@@ -2,7 +2,7 @@
  * stream_output.h : stream output module
  *****************************************************************************
  * Copyright (C) 2002 VideoLAN
- * $Id: stream_output.h,v 1.3 2003/01/08 10:38:32 fenrir Exp $
+ * $Id: stream_output.h,v 1.10 2003/04/13 20:00:20 fenrir Exp $
  *
  * Authors: Christophe Massiot <massiot@via.ecp.fr>
  *          Laurent Aimar <fenrir@via.ecp.fr>
  * sout_instance_t: stream output thread descriptor
  *****************************************************************************/
 
+/*
+ * 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
 struct sout_buffer_t
 {
     size_t                  i_allocated_size;
+    byte_t                  *p_allocated_buffer;
+
+    size_t                  i_buffer_size;
     byte_t                  *p_buffer;
 
     size_t                  i_size;
-//    mtime_t                 i_date;
     mtime_t                 i_length;
 
     mtime_t                 i_dts;
     mtime_t                 i_pts;
 
+    uint32_t                i_flags;
     int                     i_bitrate;
 
     struct sout_buffer_t    *p_next;
 };
 
-struct sout_packet_format_t
+struct sout_format_t
 {
-    int             i_cat;      // AUDIO_ES, VIDEO_ES, SPU_ES
+    int             i_cat;
     vlc_fourcc_t    i_fourcc;
 
-    void            *p_format;  // WAVEFORMATEX or BITMAPINFOHEADER
+    /* audio */
+    int             i_sample_rate;
+    int             i_channels;
+    int             i_block_align;
+
+    /* video */
+    int             i_width;
+    int             i_height;
+
+    int             i_bitrate;
+    int             i_extra_data;
+    uint8_t         *p_extra_data;
 
 };
 
@@ -63,55 +87,231 @@ struct sout_fifo_t
     sout_buffer_t       **pp_last;
 };
 
+typedef struct sout_stream_id_t  sout_stream_id_t;
+
+/* for mux */
 struct sout_input_t
 {
-    vlc_mutex_t             lock;
+    sout_instance_t *p_sout;
 
-    sout_instance_t         *p_sout;
+    sout_format_t   *p_fmt;
+    sout_fifo_t     *p_fifo;
 
-    sout_packet_format_t    input_format;
-    sout_fifo_t             *p_fifo;
+    void            *p_sys;
+};
+
+/* for packetizer */
+struct sout_packetizer_input_t
+{
+
+    sout_instance_t     *p_sout;
 
-    void                    *p_mux_data;
+    sout_format_t       *p_fmt;
+
+    sout_stream_id_t    *id;
 };
 
+
 #define SOUT_METHOD_NONE        0x00
 #define SOUT_METHOD_FILE        0x10
 #define SOUT_METHOD_NETWORK     0x20
 
-struct sout_instance_t
+typedef struct sout_access_out_sys_t   sout_access_out_sys_t;
+struct sout_access_out_t
 {
     VLC_COMMON_MEMBERS
 
-    char * psz_dest;
-    char * psz_access;
-    char * psz_mux;
-    char * psz_name;
+    module_t                *p_module;
 
-    module_t                *p_access;
-    int                     i_method;
-    void                    *p_access_data;
-    int                     (* pf_write )( sout_instance_t *, sout_buffer_t * );
-    int                     (* pf_seek  )( sout_instance_t *, off_t );
+    sout_instance_t         *p_sout;
 
-    module_t                *p_mux;
-    void                    *p_mux_data;
-    int                     (* pf_mux_addstream )( sout_instance_t *,
-                                                   sout_input_t * );
-    int                     (* pf_mux_delstream )( sout_instance_t *,
-                                                   sout_input_t * );
-    int                     (* pf_mux )          ( sout_instance_t * );
+    char                    *psz_access;
+    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 * );
+};
+/*
+ * 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
+/*
+ * 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;
+struct  sout_mux_t
+{
+    VLC_COMMON_MEMBERS
+    module_t                *p_module;
 
+    sout_instance_t         *p_sout;
 
-    vlc_mutex_t             lock;
+    char                    *psz_mux;
+
+    sout_access_out_t       *p_access;
 
+    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 * );
+
+
+    /* here are all inputs accepted by muxer */
     int                     i_nb_inputs;
     sout_input_t            **pp_inputs;
+
+
+    /* mux private */
+    sout_mux_sys_t          *p_sys;
+
+//    /* creater private */
+//    void                    *p_sys_owner;
+
+    /* 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 */
+    vlc_bool_t  b_add_stream_any_time;
+    vlc_bool_t  b_waiting_stream;
+    /* we wait one second after first stream added */
+    mtime_t     i_add_stream_start;
+};
+
+
+
+struct sout_cfg_t
+{
+    sout_cfg_t  *p_next;
+
+    char        *psz_name;
+    char        *psz_value;
 };
 
+typedef struct sout_stream_sys_t sout_stream_sys_t;
+struct sout_stream_t
+{
+    VLC_COMMON_MEMBERS
 
+    module_t                *p_module;
+    sout_instance_t         *p_sout;
 
+    char                    *psz_name;
+    sout_cfg_t              *p_cfg;
+    char                    *psz_next;
 
+    /* add, remove a stream */
+    sout_stream_id_t *      (*pf_add) ( sout_stream_t *, sout_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* );
+
+    /* private */
+    sout_stream_sys_t       *p_sys;
+};
+
+typedef struct sout_instance_sys_t sout_instance_sys_t;
+struct sout_instance_t
+{
+    VLC_COMMON_MEMBERS
+
+    char * psz_sout;
+    char * psz_chain;
+
+    /* muxer data */
+    int                     i_preheader;    /* max over all muxer */
+
+    vlc_mutex_t             lock;
+    sout_stream_t           *p_stream;
+
+    /* sout private */
+    sout_instance_sys_t     *p_sys;
+};
+
+/* some macro */
+#define TAB_APPEND( count, tab, p )             \
+    if( (count) > 0 )                           \
+    {                                           \
+        (tab) = realloc( (tab), sizeof( void ** ) * ( (count) + 1 ) ); \
+    }                                           \
+    else                                        \
+    {                                           \
+        (tab) = malloc( sizeof( void ** ) );    \
+    }                                           \
+    (void**)(tab)[(count)] = (void*)(p);        \
+    (count)++
+
+#define TAB_FIND( count, tab, p, index )        \
+    {                                           \
+        int _i_;                                \
+        (index) = -1;                           \
+        for( _i_ = 0; _i_ < (count); _i_++ )    \
+        {                                       \
+            if((void**)(tab)[_i_]==(void*)(p))  \
+            {                                   \
+                (index) = _i_;                  \
+                break;                          \
+            }                                   \
+        }                                       \
+    }
+
+#define TAB_REMOVE( count, tab, p )             \
+    {                                           \
+        int i_index;                            \
+        TAB_FIND( count, tab, p, i_index );     \
+        if( i_index >= 0 )                      \
+        {                                       \
+            if( count > 1 )                     \
+            {                                   \
+                memmove( ((void**)tab + i_index),    \
+                         ((void**)tab + i_index+1),  \
+                         ( (count) - i_index - 1 ) * sizeof( void* ) );\
+            }                                   \
+            else                                \
+            {                                   \
+                free( tab );                    \
+                (tab) = NULL;                   \
+            }                                   \
+            (count)--;                          \
+        }                                       \
+    }
+
+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 ) )
+    {
+        p_cfg = p_cfg->p_next;
+    }
+
+    return p_cfg;
+}
+
+static inline char *sout_cfg_find_value( sout_cfg_t *p_cfg, char *psz_name )
+{
+    while( p_cfg && strcmp( p_cfg->psz_name, psz_name ) )
+    {
+        p_cfg = p_cfg->p_next;
+    }
+
+    if( p_cfg && p_cfg->psz_value )
+    {
+        return( p_cfg->psz_value );
+    }
+
+    return NULL;
+}
 /*****************************************************************************
  * Prototypes
  *****************************************************************************/
@@ -129,13 +329,29 @@ VLC_EXPORT( sout_buffer_t *, sout_FifoShow,       ( sout_fifo_t * ) );
 
 
 #define sout_InputNew( a, b ) __sout_InputNew( VLC_OBJECT(a), b )
-VLC_EXPORT( sout_input_t *, __sout_InputNew,       ( vlc_object_t *, sout_packet_format_t * ) );
-VLC_EXPORT( int,            sout_InputDelete,      ( sout_input_t * ) );
-VLC_EXPORT( int,            sout_InputSendBuffer,  ( sout_input_t *, sout_buffer_t* ) );
+VLC_EXPORT( sout_packetizer_input_t *, __sout_InputNew,       ( vlc_object_t *, sout_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 * ) );
 
+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( sout_mux_t *,       sout_MuxNew,          ( sout_instance_t*, char *, sout_access_out_t * ) );
+VLC_EXPORT( sout_input_t *,     sout_MuxAddStream,    ( sout_mux_t *, sout_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 * ) );
+
+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 ) );
+