1 /*****************************************************************************
2 * stream_output.h : stream output module
3 *****************************************************************************
4 * Copyright (C) 2002 VideoLAN
5 * $Id: stream_output.h,v 1.9 2003/03/11 19:02:30 fenrir Exp $
7 * Authors: Christophe Massiot <massiot@via.ecp.fr>
8 * Laurent Aimar <fenrir@via.ecp.fr>
9 * Eric Petit <titer@videolan.org>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
24 *****************************************************************************/
26 /*****************************************************************************
27 * sout_instance_t: stream output thread descriptor
28 *****************************************************************************/
31 * i_allocated_size: size of allocated buffer
32 * p_allocated_buffer: where data has been allocated
34 * i_buffer_size: sizeof buffer from p_buffer
35 * p_buffer: where data begins
36 * i_size: size of valid data
39 #define SOUT_BUFFER_FLAGS_HEADER 0x0001
42 size_t i_allocated_size;
43 byte_t *p_allocated_buffer;
57 struct sout_buffer_t *p_next;
60 struct sout_packet_format_t
62 int i_cat; // AUDIO_ES, VIDEO_ES, SPU_ES
63 vlc_fourcc_t i_fourcc;
65 void *p_format; // WAVEFORMATEX or BITMAPINFOHEADER
70 vlc_mutex_t lock; /* fifo data lock */
71 vlc_cond_t wait; /* fifo data conditional variable */
74 sout_buffer_t *p_first;
75 sout_buffer_t **pp_last;
83 sout_instance_t *p_sout;
85 sout_packet_format_t input_format;
92 struct sout_packetizer_input_t
95 sout_instance_t *p_sout;
96 sout_packet_format_t input_format;
100 sout_input_t **pp_inputs;
102 int i_nb_mux; // not really used, just usefull with TAB_*
107 #define SOUT_METHOD_NONE 0x00
108 #define SOUT_METHOD_FILE 0x10
109 #define SOUT_METHOD_NETWORK 0x20
111 struct sout_access_out_t
117 sout_instance_t *p_sout;
121 sout_access_out_sys_t *p_sys;
122 int (* pf_seek )( sout_access_out_t *,
124 int (* pf_write )( sout_access_out_t *,
128 * i_query parameter of pf_mux_capacity
130 /* SOUT_MUX_CAP_GET_ADD_STREAM_ANY_TIME: p_args=NULL, p_answer=&boolean */
131 #define SOUT_MUX_CAP_GET_ADD_STREAM_ANY_TIME 0x01
132 /* SOUT_MUX_CAP_GET_STREAMABLE: p_args=NULL, p_answer=&boolean */
133 #define SOUT_MUX_CAP_GET_STREAMABLE 0x02
137 #define SOUT_MUX_CAP_ERR_OK 0x00
138 #define SOUT_MUX_CAP_ERR_UNKNOWN 0x01
139 #define SOUT_MUX_CAP_ERR_UNIMPLEMENTED 0x02
141 typedef struct sout_mux_sys_t sout_mux_sys_t;
147 sout_instance_t *p_sout;
151 sout_access_out_t *p_access;
154 int (* pf_capacity) ( sout_mux_t *,
155 int, void *, void *);
156 int (* pf_addstream )( sout_mux_t *,
158 int (* pf_delstream )( sout_mux_t *,
160 int (* pf_mux ) ( sout_mux_t * );
163 /* here are all inputs accepted by muxer */
165 sout_input_t **pp_inputs;
169 sout_mux_sys_t *p_sys;
171 // /* creater private */
172 // void *p_sys_owner;
174 /* XXX private to stream_output.c */
175 /* if muxer doesn't support adding stream at any time then we first wait
176 * for stream then we refuse all stream and start muxing */
177 vlc_bool_t b_add_stream_any_time;
178 vlc_bool_t b_waiting_stream;
179 /* we wait one second after first stream added */
180 mtime_t i_add_stream_start;
183 typedef struct sout_instance_sys_t sout_instance_sys_t;
184 struct sout_instance_t
188 /* complete sout string like udp/ts:239.255.12.42#file/ps://essai.ps */
191 /* here are stored the parsed psz_sout */
196 int i_preheader; /* max over all muxer */
201 /* here are all packetizer inputs accepted by at least one muxer */
204 sout_packetizer_input_t **pp_inputs;
207 sout_instance_sys_t *p_sys;
213 /*****************************************************************************
215 *****************************************************************************/
216 #define sout_NewInstance(a,b) __sout_NewInstance(VLC_OBJECT(a),b)
217 VLC_EXPORT( sout_instance_t *, __sout_NewInstance, ( vlc_object_t *, char * ) );
218 VLC_EXPORT( void, sout_DeleteInstance, ( sout_instance_t * ) );
220 VLC_EXPORT( sout_fifo_t *, sout_FifoCreate, ( sout_instance_t * ) );
221 VLC_EXPORT( void, sout_FifoDestroy, ( sout_instance_t *, sout_fifo_t * ) );
222 VLC_EXPORT( void, sout_FifoFree, ( sout_instance_t *,sout_fifo_t * ) );
224 VLC_EXPORT( void, sout_FifoPut, ( sout_fifo_t *, sout_buffer_t* ) );
225 VLC_EXPORT( sout_buffer_t *, sout_FifoGet, ( sout_fifo_t * ) );
226 VLC_EXPORT( sout_buffer_t *, sout_FifoShow, ( sout_fifo_t * ) );
229 #define sout_InputNew( a, b ) __sout_InputNew( VLC_OBJECT(a), b )
230 VLC_EXPORT( sout_packetizer_input_t *, __sout_InputNew, ( vlc_object_t *, sout_packet_format_t * ) );
231 VLC_EXPORT( int, sout_InputDelete, ( sout_packetizer_input_t * ) );
232 VLC_EXPORT( int, sout_InputSendBuffer, ( sout_packetizer_input_t *, sout_buffer_t* ) );
234 VLC_EXPORT( sout_buffer_t*, sout_BufferNew, ( sout_instance_t *, size_t ) );
235 VLC_EXPORT( int, sout_BufferRealloc,( sout_instance_t *, sout_buffer_t*, size_t ) );
236 VLC_EXPORT( int, sout_BufferReallocFromPreHeader,( sout_instance_t *, sout_buffer_t*, size_t ) );
237 VLC_EXPORT( int, sout_BufferDelete, ( sout_instance_t *, sout_buffer_t* ) );
238 VLC_EXPORT( sout_buffer_t*, sout_BufferDuplicate,(sout_instance_t *, sout_buffer_t * ) );
239 VLC_EXPORT( void, sout_BufferChain, ( sout_buffer_t **, sout_buffer_t * ) );
241 VLC_EXPORT( sout_access_out_t *, sout_AccessOutNew, ( sout_instance_t *, char *psz_access, char *psz_name ) );
242 VLC_EXPORT( void, sout_AccessOutDelete, ( sout_access_out_t * ) );
243 VLC_EXPORT( int, sout_AccessOutSeek, ( sout_access_out_t *, off_t ) );
244 VLC_EXPORT( int, sout_AccessOutWrite, ( sout_access_out_t *, sout_buffer_t * ) );