mirror of https://code.videolan.org/videolan/vlc
259 lines
8.3 KiB
C
259 lines
8.3 KiB
C
/*****************************************************************************
|
|
* vlc_sout.h : stream output module
|
|
*****************************************************************************
|
|
* Copyright (C) 2002-2008 VLC authors and VideoLAN
|
|
*
|
|
* Authors: Christophe Massiot <massiot@via.ecp.fr>
|
|
* Laurent Aimar <fenrir@via.ecp.fr>
|
|
* Eric Petit <titer@videolan.org>
|
|
* Jean-Paul Saman <jpsaman #_at_# m2x.nl>
|
|
* Rémi Denis-Courmont
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation; either version 2.1 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
|
|
* GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this program; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
|
|
*****************************************************************************/
|
|
|
|
#ifndef VLC_SOUT_H_
|
|
#define VLC_SOUT_H_
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include <sys/types.h>
|
|
#include <vlc_es.h>
|
|
#include <vlc_clock.h>
|
|
|
|
/**
|
|
* \defgroup sout Stream output
|
|
* \ingroup output
|
|
* @{
|
|
* \file
|
|
* Stream output modules interface
|
|
*/
|
|
|
|
/**
|
|
* \defgroup sout_access Access output
|
|
* Raw output byte streams
|
|
* @{
|
|
*/
|
|
|
|
/** Stream output access_output */
|
|
struct sout_access_out_t
|
|
{
|
|
struct vlc_object_t obj;
|
|
|
|
module_t *p_module;
|
|
char *psz_access;
|
|
|
|
char *psz_path;
|
|
void *p_sys;
|
|
int (*pf_seek)( sout_access_out_t *, uint64_t );
|
|
ssize_t (*pf_read)( sout_access_out_t *, block_t * );
|
|
ssize_t (*pf_write)( sout_access_out_t *, block_t * );
|
|
int (*pf_control)( sout_access_out_t *, int, va_list );
|
|
|
|
config_chain_t *p_cfg;
|
|
};
|
|
|
|
enum access_out_query_e
|
|
{
|
|
ACCESS_OUT_CONTROLS_PACE, /* arg1=bool *, can fail (assume true) */
|
|
ACCESS_OUT_CAN_SEEK, /* arg1=bool *, can fail (assume false) */
|
|
};
|
|
|
|
VLC_API sout_access_out_t * sout_AccessOutNew( vlc_object_t *, const char *psz_access, const char *psz_name ) VLC_USED;
|
|
#define sout_AccessOutNew( obj, access, name ) \
|
|
sout_AccessOutNew( VLC_OBJECT(obj), access, name )
|
|
VLC_API void sout_AccessOutDelete( sout_access_out_t * );
|
|
VLC_API int sout_AccessOutSeek( sout_access_out_t *, uint64_t );
|
|
VLC_API ssize_t sout_AccessOutRead( sout_access_out_t *, block_t * );
|
|
VLC_API ssize_t sout_AccessOutWrite( sout_access_out_t *, block_t * );
|
|
VLC_API int sout_AccessOutControl( sout_access_out_t *, int, ... );
|
|
|
|
static inline bool sout_AccessOutCanControlPace( sout_access_out_t *p_ao )
|
|
{
|
|
bool b;
|
|
if( sout_AccessOutControl( p_ao, ACCESS_OUT_CONTROLS_PACE, &b ) )
|
|
return true;
|
|
return b;
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
* \defgroup sout_mux Multiplexer
|
|
* Multiplexers (file formatters)
|
|
* @{
|
|
*/
|
|
|
|
/** Muxer structure */
|
|
struct sout_mux_t
|
|
{
|
|
struct vlc_object_t obj;
|
|
module_t *p_module;
|
|
|
|
char *psz_mux;
|
|
config_chain_t *p_cfg;
|
|
|
|
sout_access_out_t *p_access;
|
|
|
|
int (*pf_addstream)( sout_mux_t *, sout_input_t * );
|
|
void (*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;
|
|
|
|
/* mux private */
|
|
void *p_sys;
|
|
|
|
/* 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 */
|
|
bool b_add_stream_any_time;
|
|
bool b_waiting_stream;
|
|
/* we wait 1.5 second after first stream added */
|
|
vlc_tick_t i_add_stream_start;
|
|
};
|
|
|
|
enum sout_mux_query_e
|
|
{
|
|
/* capabilities */
|
|
MUX_CAN_ADD_STREAM_WHILE_MUXING, /* arg1= bool *, res=cannot fail */
|
|
/* properties */
|
|
MUX_GET_MIME, /* arg1= char ** res=can fail */
|
|
};
|
|
|
|
struct sout_input_t
|
|
{
|
|
const es_format_t *p_fmt;
|
|
block_fifo_t *p_fifo;
|
|
void *p_sys;
|
|
es_format_t fmt;
|
|
};
|
|
|
|
|
|
VLC_API sout_mux_t * sout_MuxNew( sout_access_out_t *, const char * ) VLC_USED;
|
|
VLC_API sout_input_t *sout_MuxAddStream( sout_mux_t *, const es_format_t * ) VLC_USED;
|
|
VLC_API void sout_MuxDeleteStream( sout_mux_t *, sout_input_t * );
|
|
VLC_API void sout_MuxDelete( sout_mux_t * );
|
|
VLC_API int sout_MuxSendBuffer( sout_mux_t *, sout_input_t *, block_t * );
|
|
VLC_API int sout_MuxGetStream(sout_mux_t *, unsigned, vlc_tick_t *);
|
|
VLC_API void sout_MuxFlush( sout_mux_t *, sout_input_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;
|
|
}
|
|
|
|
/** @} */
|
|
|
|
enum sout_stream_query_e {
|
|
SOUT_STREAM_WANTS_SUBSTREAMS, /* arg1=bool *, res=can fail (assume false) */
|
|
SOUT_STREAM_ID_SPU_HIGHLIGHT, /* arg1=void *, arg2=const vlc_spu_highlight_t *, res=can fail */
|
|
SOUT_STREAM_IS_SYNCHRONOUS, /* arg1=bool *, can fail (assume false) */
|
|
};
|
|
|
|
struct sout_stream_operations {
|
|
void *(*add)(sout_stream_t *, const es_format_t *);
|
|
void (*del)(sout_stream_t *, void *);
|
|
int (*send)(sout_stream_t *, void *, block_t *);
|
|
int (*control)( sout_stream_t *, int, va_list );
|
|
void (*flush)( sout_stream_t *, void *);
|
|
void (*set_pcr)(sout_stream_t *, vlc_tick_t);
|
|
};
|
|
|
|
struct sout_stream_t
|
|
{
|
|
struct vlc_object_t obj;
|
|
|
|
char *psz_name;
|
|
config_chain_t *p_cfg;
|
|
sout_stream_t *p_next;
|
|
|
|
const struct sout_stream_operations *ops;
|
|
void *p_sys;
|
|
};
|
|
|
|
VLC_API void sout_StreamChainDelete(sout_stream_t *first, sout_stream_t *end);
|
|
VLC_API sout_stream_t *sout_StreamChainNew(vlc_object_t *parent,
|
|
const char *psz_chain, sout_stream_t *p_next) VLC_USED;
|
|
|
|
VLC_API void *sout_StreamIdAdd(sout_stream_t *s, const es_format_t *fmt);
|
|
VLC_API void sout_StreamIdDel(sout_stream_t *s, void *id);
|
|
VLC_API int sout_StreamIdSend( sout_stream_t *s, void *id, block_t *b);
|
|
VLC_API void sout_StreamFlush(sout_stream_t *s, void *id);
|
|
VLC_API void sout_StreamSetPCR(sout_stream_t *s, vlc_tick_t pcr);
|
|
VLC_API int sout_StreamControlVa(sout_stream_t *s, int i_query, va_list args);
|
|
|
|
VLC_API vlc_clock_main_t *sout_ClockMainCreate(sout_stream_t *) VLC_USED;
|
|
VLC_API void sout_ClockMainDelete(vlc_clock_main_t *);
|
|
VLC_API void sout_ClockMainSetFirstPcr(vlc_clock_main_t *, vlc_tick_t pcr);
|
|
VLC_API vlc_clock_t *sout_ClockCreate(vlc_clock_main_t *, const es_format_t *) VLC_USED;
|
|
VLC_API void sout_ClockDelete(vlc_clock_t *);
|
|
|
|
static inline int sout_StreamControl( sout_stream_t *s, int i_query, ... )
|
|
{
|
|
va_list args;
|
|
int i_result;
|
|
|
|
va_start( args, i_query );
|
|
i_result = sout_StreamControlVa( s, i_query, args );
|
|
va_end( args );
|
|
return i_result;
|
|
}
|
|
|
|
static inline bool sout_StreamIsSynchronous(sout_stream_t *s)
|
|
{
|
|
bool b;
|
|
|
|
if (sout_StreamControl(s, SOUT_STREAM_IS_SYNCHRONOUS, &b))
|
|
b = false;
|
|
|
|
return b;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Encoder
|
|
****************************************************************************/
|
|
|
|
VLC_API encoder_t * sout_EncoderCreate( vlc_object_t *, size_t );
|
|
#define sout_EncoderCreate(o,s) sout_EncoderCreate(VLC_OBJECT(o),s)
|
|
|
|
/****************************************************************************
|
|
* Announce handler
|
|
****************************************************************************/
|
|
VLC_API session_descriptor_t* sout_AnnounceRegisterSDP( vlc_object_t *, const char *, const char * ) VLC_USED;
|
|
VLC_API void sout_AnnounceUnRegister(vlc_object_t *,session_descriptor_t* );
|
|
#define sout_AnnounceRegisterSDP(o, sdp, addr) \
|
|
sout_AnnounceRegisterSDP(VLC_OBJECT (o), sdp, addr)
|
|
#define sout_AnnounceUnRegister(o, a) \
|
|
sout_AnnounceUnRegister(VLC_OBJECT (o), a)
|
|
|
|
/** @} */
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|