Revision f1b94134a4b879bc55c3dacdb496690c8ebdc03f authored by Vikram Fugro on 11 March 2016, 12:16:11 UTC, committed by Jean-Baptiste Kempf on 11 March 2016, 14:57:34 UTC
Allocate the output vlc pictures with dimensions padded, as requested by the decoder (for alignments). This further increases the chances of direct rendering. Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
1 parent 6c813cb
stream_output.c
/*****************************************************************************
* stream_output.c : stream output module
*****************************************************************************
* Copyright (C) 2002-2007 VLC authors and VideoLAN
* $Id$
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
* Laurent Aimar <fenrir@via.ecp.fr>
* Eric Petit <titer@videolan.org>
*
* 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.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <assert.h>
#include <vlc_common.h>
#include <stdlib.h> /* free() */
#include <stdio.h> /* sprintf() */
#include <string.h>
#include <vlc_sout.h>
#include "stream_output.h"
#include <vlc_meta.h>
#include <vlc_block.h>
#include <vlc_codec.h>
#include <vlc_modules.h>
#include "input/input_interface.h"
#define VLC_CODEC_NULL VLC_FOURCC( 'n', 'u', 'l', 'l' )
#undef DEBUG_BUFFER
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static char *sout_stream_url_to_chain( bool, const char * );
/*
* Generic MRL parser
*
*/
typedef struct
{
char *psz_access;
char *psz_way;
char *psz_name;
} mrl_t;
/* mrl_Parse: parse psz_mrl and fill p_mrl */
static int mrl_Parse( mrl_t *p_mrl, const char *psz_mrl );
/* mrl_Clean: clean p_mrl after a call to mrl_Parse */
static void mrl_Clean( mrl_t *p_mrl );
#undef sout_NewInstance
/*****************************************************************************
* sout_NewInstance: creates a new stream output instance
*****************************************************************************/
sout_instance_t *sout_NewInstance( vlc_object_t *p_parent, const char *psz_dest )
{
sout_instance_t *p_sout;
char *psz_chain;
assert( psz_dest != NULL );
if( psz_dest[0] == '#' )
{
psz_chain = strdup( &psz_dest[1] );
}
else
{
psz_chain = sout_stream_url_to_chain(
var_InheritBool(p_parent, "sout-display"), psz_dest );
}
if(!psz_chain)
return NULL;
/* *** Allocate descriptor *** */
p_sout = vlc_custom_create( p_parent, sizeof( *p_sout ), "stream output" );
if( p_sout == NULL )
{
free( psz_chain );
return NULL;
}
msg_Dbg( p_sout, "using sout chain=`%s'", psz_chain );
/* *** init descriptor *** */
p_sout->psz_sout = strdup( psz_dest );
p_sout->i_out_pace_nocontrol = 0;
vlc_mutex_init( &p_sout->lock );
p_sout->p_stream = NULL;
var_Create( p_sout, "sout-mux-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
p_sout->p_stream = sout_StreamChainNew( p_sout, psz_chain, NULL, NULL );
if( p_sout->p_stream )
{
free( psz_chain );
return p_sout;
}
msg_Err( p_sout, "stream chain failed for `%s'", psz_chain );
free( psz_chain );
FREENULL( p_sout->psz_sout );
vlc_mutex_destroy( &p_sout->lock );
vlc_object_release( p_sout );
return NULL;
}
/*****************************************************************************
* sout_DeleteInstance: delete a previously allocated instance
*****************************************************************************/
void sout_DeleteInstance( sout_instance_t * p_sout )
{
/* remove the stream out chain */
sout_StreamChainDelete( p_sout->p_stream, NULL );
/* *** free all string *** */
FREENULL( p_sout->psz_sout );
vlc_mutex_destroy( &p_sout->lock );
/* *** free structure *** */
vlc_object_release( p_sout );
}
/*****************************************************************************
* Packetizer/Input
*****************************************************************************/
sout_packetizer_input_t *sout_InputNew( sout_instance_t *p_sout,
es_format_t *p_fmt )
{
sout_packetizer_input_t *p_input;
/* *** create a packetizer input *** */
p_input = malloc( sizeof( sout_packetizer_input_t ) );
if( !p_input ) return NULL;
p_input->p_sout = p_sout;
p_input->p_fmt = p_fmt;
msg_Dbg( p_sout, "adding a new sout input (sout_input: %p)",
(void *)p_input );
if( p_fmt->i_codec == VLC_CODEC_NULL )
{
vlc_object_release( p_sout );
return p_input;
}
/* *** add it to the stream chain */
vlc_mutex_lock( &p_sout->lock );
p_input->id = p_sout->p_stream->pf_add( p_sout->p_stream, p_fmt );
vlc_mutex_unlock( &p_sout->lock );
if( p_input->id == NULL )
{
free( p_input );
return NULL;
}
return( p_input );
}
/*****************************************************************************
*
*****************************************************************************/
int sout_InputDelete( sout_packetizer_input_t *p_input )
{
sout_instance_t *p_sout = p_input->p_sout;
msg_Dbg( p_sout, "removing a sout input (sout_input: %p)",
(void *)p_input );
if( p_input->p_fmt->i_codec != VLC_CODEC_NULL )
{
vlc_mutex_lock( &p_sout->lock );
p_sout->p_stream->pf_del( p_sout->p_stream, p_input->id );
vlc_mutex_unlock( &p_sout->lock );
}
free( p_input );
return( VLC_SUCCESS);
}
bool sout_InputIsEmpty( sout_packetizer_input_t *p_input )
{
sout_instance_t *p_sout = p_input->p_sout;
bool b;
vlc_mutex_lock( &p_sout->lock );
if( sout_StreamControl( p_sout->p_stream, SOUT_STREAM_EMPTY, &b ) != VLC_SUCCESS )
b = true;
vlc_mutex_unlock( &p_sout->lock );
return b;
}
void sout_InputFlush( sout_packetizer_input_t *p_input )
{
sout_instance_t *p_sout = p_input->p_sout;
vlc_mutex_lock( &p_sout->lock );
sout_StreamFlush( p_sout->p_stream, p_input->id );
vlc_mutex_unlock( &p_sout->lock );
}
/*****************************************************************************
*
*****************************************************************************/
int sout_InputSendBuffer( sout_packetizer_input_t *p_input,
block_t *p_buffer )
{
sout_instance_t *p_sout = p_input->p_sout;
int i_ret;
if( p_input->p_fmt->i_codec == VLC_CODEC_NULL )
{
block_Release( p_buffer );
return VLC_SUCCESS;
}
vlc_mutex_lock( &p_sout->lock );
i_ret = p_sout->p_stream->pf_send( p_sout->p_stream,
p_input->id, p_buffer );
vlc_mutex_unlock( &p_sout->lock );
return i_ret;
}
#undef sout_AccessOutNew
/*****************************************************************************
* sout_AccessOutNew: allocate a new access out
*****************************************************************************/
sout_access_out_t *sout_AccessOutNew( vlc_object_t *p_sout,
const char *psz_access, const char *psz_name )
{
sout_access_out_t *p_access;
char *psz_next;
p_access = vlc_custom_create( p_sout, sizeof( *p_access ), "access out" );
if( !p_access )
return NULL;
psz_next = config_ChainCreate( &p_access->psz_access, &p_access->p_cfg,
psz_access );
free( psz_next );
p_access->psz_path = strdup( psz_name ? psz_name : "" );
p_access->p_sys = NULL;
p_access->pf_seek = NULL;
p_access->pf_read = NULL;
p_access->pf_write = NULL;
p_access->pf_control = NULL;
p_access->p_module = NULL;
p_access->p_module =
module_need( p_access, "sout access", p_access->psz_access, true );
if( !p_access->p_module )
{
free( p_access->psz_access );
free( p_access->psz_path );
vlc_object_release( p_access );
return( NULL );
}
return p_access;
}
/*****************************************************************************
* sout_AccessDelete: delete an access out
*****************************************************************************/
void sout_AccessOutDelete( sout_access_out_t *p_access )
{
if( p_access->p_module )
{
module_unneed( p_access, p_access->p_module );
}
free( p_access->psz_access );
config_ChainDestroy( p_access->p_cfg );
free( p_access->psz_path );
vlc_object_release( p_access );
}
/*****************************************************************************
* sout_AccessSeek:
*****************************************************************************/
int sout_AccessOutSeek( sout_access_out_t *p_access, off_t i_pos )
{
return p_access->pf_seek( p_access, i_pos );
}
/*****************************************************************************
* sout_AccessRead:
*****************************************************************************/
ssize_t sout_AccessOutRead( sout_access_out_t *p_access, block_t *p_buffer )
{
return( p_access->pf_read ?
p_access->pf_read( p_access, p_buffer ) : VLC_EGENERIC );
}
/*****************************************************************************
* sout_AccessWrite:
*****************************************************************************/
ssize_t sout_AccessOutWrite( sout_access_out_t *p_access, block_t *p_buffer )
{
return p_access->pf_write( p_access, p_buffer );
}
/**
* sout_AccessOutControl
*/
int sout_AccessOutControl (sout_access_out_t *access, int query, ...)
{
va_list ap;
int ret;
va_start (ap, query);
if (access->pf_control)
ret = access->pf_control (access, query, ap);
else
ret = VLC_EGENERIC;
va_end (ap);
return ret;
}
/*****************************************************************************
* sout_MuxNew: create a new mux
*****************************************************************************/
sout_mux_t * sout_MuxNew( sout_instance_t *p_sout, const char *psz_mux,
sout_access_out_t *p_access )
{
sout_mux_t *p_mux;
char *psz_next;
p_mux = vlc_custom_create( p_sout, sizeof( *p_mux ), "mux" );
if( p_mux == NULL )
return NULL;
p_mux->p_sout = p_sout;
psz_next = config_ChainCreate( &p_mux->psz_mux, &p_mux->p_cfg, psz_mux );
free( psz_next );
p_mux->p_access = p_access;
p_mux->pf_control = NULL;
p_mux->pf_addstream = NULL;
p_mux->pf_delstream = NULL;
p_mux->pf_mux = NULL;
p_mux->i_nb_inputs = 0;
p_mux->pp_inputs = NULL;
p_mux->p_sys = NULL;
p_mux->p_module = NULL;
p_mux->b_add_stream_any_time = false;
p_mux->b_waiting_stream = true;
p_mux->i_add_stream_start = -1;
p_mux->p_module =
module_need( p_mux, "sout mux", p_mux->psz_mux, true );
if( p_mux->p_module == NULL )
{
FREENULL( p_mux->psz_mux );
vlc_object_release( p_mux );
return NULL;
}
/* *** probe mux capacity *** */
if( p_mux->pf_control )
{
int b_answer = false;
if( sout_MuxControl( p_mux, MUX_CAN_ADD_STREAM_WHILE_MUXING,
&b_answer ) )
{
b_answer = false;
}
if( b_answer )
{
msg_Dbg( p_sout, "muxer support adding stream at any time" );
p_mux->b_add_stream_any_time = true;
p_mux->b_waiting_stream = false;
/* If we control the output pace then it's better to wait before
* starting muxing (generates better streams/files). */
if( !p_sout->i_out_pace_nocontrol )
{
b_answer = true;
}
else if( sout_MuxControl( p_mux, MUX_GET_ADD_STREAM_WAIT,
&b_answer ) )
{
b_answer = false;
}
if( b_answer )
{
msg_Dbg( p_sout, "muxer prefers to wait for all ES before "
"starting to mux" );
p_mux->b_waiting_stream = true;
}
}
}
return p_mux;
}
/*****************************************************************************
* sout_MuxDelete:
*****************************************************************************/
void sout_MuxDelete( sout_mux_t *p_mux )
{
if( p_mux->p_module )
{
module_unneed( p_mux, p_mux->p_module );
}
free( p_mux->psz_mux );
config_ChainDestroy( p_mux->p_cfg );
vlc_object_release( p_mux );
}
/*****************************************************************************
* sout_MuxAddStream:
*****************************************************************************/
sout_input_t *sout_MuxAddStream( sout_mux_t *p_mux, const es_format_t *p_fmt )
{
sout_input_t *p_input;
if( !p_mux->b_add_stream_any_time && !p_mux->b_waiting_stream )
{
msg_Err( p_mux, "cannot add a new stream (unsupported while muxing "
"to this format). You can try increasing sout-mux-caching value" );
return NULL;
}
msg_Dbg( p_mux, "adding a new input" );
/* create a new sout input */
p_input = malloc( sizeof( sout_input_t ) );
if( !p_input )
return NULL;
// FIXME: remove either fmt or p_fmt...
es_format_Copy( &p_input->fmt, p_fmt );
p_input->p_fmt = &p_input->fmt;
p_input->p_fifo = block_FifoNew();
p_input->p_sys = NULL;
TAB_APPEND( p_mux->i_nb_inputs, p_mux->pp_inputs, p_input );
if( p_mux->pf_addstream( p_mux, p_input ) < 0 )
{
msg_Err( p_mux, "cannot add this stream" );
TAB_REMOVE( p_mux->i_nb_inputs, p_mux->pp_inputs, p_input );
block_FifoRelease( p_input->p_fifo );
es_format_Clean( &p_input->fmt );
free( p_input );
return NULL;
}
return p_input;
}
/*****************************************************************************
* sout_MuxDeleteStream:
*****************************************************************************/
void sout_MuxDeleteStream( sout_mux_t *p_mux, sout_input_t *p_input )
{
int i_index;
if( p_mux->b_waiting_stream
&& block_FifoCount( p_input->p_fifo ) > 0 )
{
/* We stop waiting, and call the muxer for taking care of the data
* before we remove this es */
p_mux->b_waiting_stream = false;
p_mux->pf_mux( p_mux );
}
TAB_FIND( p_mux->i_nb_inputs, p_mux->pp_inputs, p_input, i_index );
if( i_index >= 0 )
{
p_mux->pf_delstream( p_mux, p_input );
/* remove the entry */
TAB_REMOVE( p_mux->i_nb_inputs, p_mux->pp_inputs, p_input );
if( p_mux->i_nb_inputs == 0 )
{
msg_Warn( p_mux, "no more input streams for this mux" );
}
block_FifoRelease( p_input->p_fifo );
es_format_Clean( &p_input->fmt );
free( p_input );
}
}
/*****************************************************************************
* sout_MuxSendBuffer:
*****************************************************************************/
int sout_MuxSendBuffer( sout_mux_t *p_mux, sout_input_t *p_input,
block_t *p_buffer )
{
mtime_t i_dts = p_buffer->i_dts;
block_FifoPut( p_input->p_fifo, p_buffer );
if( p_mux->p_sout->i_out_pace_nocontrol )
{
mtime_t current_date = mdate();
if ( current_date > i_dts )
msg_Warn( p_mux, "late buffer for mux input (%"PRId64")",
current_date - i_dts );
}
if( p_mux->b_waiting_stream )
{
const int64_t i_caching = var_GetInteger( p_mux->p_sout, "sout-mux-caching" ) * INT64_C(1000);
if( p_mux->i_add_stream_start < 0 )
p_mux->i_add_stream_start = i_dts;
/* Wait until we have enough data before muxing */
if( p_mux->i_add_stream_start < 0 ||
i_dts < p_mux->i_add_stream_start + i_caching )
return VLC_SUCCESS;
p_mux->b_waiting_stream = false;
}
return p_mux->pf_mux( p_mux );
}
void sout_MuxFlush( sout_mux_t *p_mux, sout_input_t *p_input )
{
VLC_UNUSED(p_mux);
block_FifoEmpty( p_input->p_fifo );
}
/*****************************************************************************
* sout_MuxGetStream: find stream to be muxed
*****************************************************************************/
int sout_MuxGetStream( sout_mux_t *p_mux, unsigned i_blocks, mtime_t *pi_dts )
{
mtime_t i_dts = 0;
int i_stream = -1;
assert( i_blocks > 0 );
for( int i = 0; i < p_mux->i_nb_inputs; i++ )
{
sout_input_t *p_input = p_mux->pp_inputs[i];
block_t *p_data;
if( block_FifoCount( p_input->p_fifo ) < i_blocks )
{
if( (!p_mux->b_add_stream_any_time) &&
(p_input->p_fmt->i_cat != SPU_ES ) )
{
return -1;
}
/* FIXME: SPU muxing */
continue;
}
p_data = block_FifoShow( p_input->p_fifo );
if( i_stream < 0 || p_data->i_dts < i_dts )
{
i_stream = i;
i_dts = p_data->i_dts;
}
}
if( pi_dts ) *pi_dts = i_dts;
return i_stream;
}
/*****************************************************************************
*
*****************************************************************************/
static int mrl_Parse( mrl_t *p_mrl, const char *psz_mrl )
{
char * psz_dup = strdup( psz_mrl );
char * psz_parser = psz_dup;
const char * psz_access;
const char * psz_way;
char * psz_name;
/* *** first parse psz_dest */
while( *psz_parser && *psz_parser != ':' )
{
if( *psz_parser == '{' )
{
while( *psz_parser && *psz_parser != '}' )
{
psz_parser++;
}
if( *psz_parser )
{
psz_parser++;
}
}
else
{
psz_parser++;
}
}
#if defined( _WIN32 ) || defined( __OS2__ )
if( psz_parser - psz_dup == 1 )
{
/* msg_Warn( p_sout, "drive letter %c: found in source string",
*psz_dup ) ; */
*psz_parser = '\0';
}
#endif
if( !*psz_parser )
{
psz_access = psz_way = "";
psz_name = psz_dup;
}
else
{
*psz_parser++ = '\0';
/* let's skip '//' */
if( psz_parser[0] == '/' && psz_parser[1] == '/' )
{
psz_parser += 2 ;
}
psz_name = psz_parser ;
/* Come back to parse the access and mux plug-ins */
psz_parser = psz_dup;
if( !*psz_parser )
{
/* No access */
psz_access = "";
}
else if( *psz_parser == '/' )
{
/* No access */
psz_access = "";
psz_parser++;
}
else
{
psz_access = psz_parser;
while( *psz_parser && *psz_parser != '/' )
{
if( *psz_parser == '{' )
{
while( *psz_parser && *psz_parser != '}' )
{
psz_parser++;
}
if( *psz_parser )
{
psz_parser++;
}
}
else
{
psz_parser++;
}
}
if( *psz_parser == '/' )
{
*psz_parser++ = '\0';
}
}
if( !*psz_parser )
{
/* No mux */
psz_way = "";
}
else
{
psz_way = psz_parser;
}
}
p_mrl->psz_access = strdup( psz_access );
p_mrl->psz_way = strdup( psz_way );
p_mrl->psz_name = strdup( psz_name );
free( psz_dup );
return( VLC_SUCCESS );
}
/* mrl_Clean: clean p_mrl after a call to mrl_Parse */
static void mrl_Clean( mrl_t *p_mrl )
{
FREENULL( p_mrl->psz_access );
FREENULL( p_mrl->psz_way );
FREENULL( p_mrl->psz_name );
}
/****************************************************************************
****************************************************************************
**
**
**
****************************************************************************
****************************************************************************/
/* Destroy a "stream_out" module */
static void sout_StreamDelete( sout_stream_t *p_stream )
{
sout_instance_t *p_sout = (sout_instance_t *)(p_stream->p_parent);
msg_Dbg( p_stream, "destroying chain... (name=%s)", p_stream->psz_name );
p_sout->i_out_pace_nocontrol -= p_stream->pace_nocontrol;
if( p_stream->p_module != NULL )
module_unneed( p_stream, p_stream->p_module );
FREENULL( p_stream->psz_name );
config_ChainDestroy( p_stream->p_cfg );
msg_Dbg( p_stream, "destroying chain done" );
vlc_object_release( p_stream );
}
/* Destroy a "stream_out" modules chain
*
* p_first is the first module to be destroyed in the chain
* p_last is the last module to be destroyed
* if NULL, all modules are destroyed
* if not NULL, modules following it must be destroyed separately
*/
void sout_StreamChainDelete(sout_stream_t *p_first, sout_stream_t *p_last)
{
while(p_first != NULL)
{
sout_stream_t *p_next = p_first->p_next;
sout_StreamDelete(p_first);
if(p_first == p_last)
break;
p_first = p_next;
}
}
/* Create a "stream_out" module, which may forward its ES to p_next module */
/*
* XXX name and p_cfg are used (-> do NOT free them)
*/
static sout_stream_t *sout_StreamNew( sout_instance_t *p_sout, char *psz_name,
config_chain_t *p_cfg, sout_stream_t *p_next)
{
sout_stream_t *p_stream;
assert(psz_name);
p_stream = vlc_custom_create( p_sout, sizeof( *p_stream ), "stream out" );
if( !p_stream )
return NULL;
p_stream->p_sout = p_sout;
p_stream->psz_name = psz_name;
p_stream->p_cfg = p_cfg;
p_stream->p_next = p_next;
p_stream->pf_flush = NULL;
p_stream->pf_control = NULL;
p_stream->pace_nocontrol = false;
p_stream->p_sys = NULL;
msg_Dbg( p_sout, "stream=`%s'", p_stream->psz_name );
p_stream->p_module =
module_need( p_stream, "sout stream", p_stream->psz_name, true );
if( !p_stream->p_module )
{
/* those must be freed by the caller if creation failed */
p_stream->psz_name = NULL;
p_stream->p_cfg = NULL;
sout_StreamDelete( p_stream );
return NULL;
}
p_sout->i_out_pace_nocontrol += p_stream->pace_nocontrol;
return p_stream;
}
/* Creates a complete "stream_out" modules chain
*
* chain format: module1{option=*:option=*}[:module2{option=*:...}]
*
* The modules are created starting from the last one and linked together
* A pointer to the last module created is stored if pp_last isn't NULL, to
* make sure sout_StreamChainDelete doesn't delete modules created in another
* place.
*
* Returns a pointer to the first module.
*/
sout_stream_t *sout_StreamChainNew(sout_instance_t *p_sout, const char *psz_chain,
sout_stream_t *p_next, sout_stream_t **pp_last)
{
if(!psz_chain || !*psz_chain)
{
if(pp_last) *pp_last = NULL;
return p_next;
}
char *psz_parser = strdup(psz_chain);
if(!psz_parser)
return NULL;
vlc_array_t cfg, name;
vlc_array_init(&cfg);
vlc_array_init(&name);
/* parse chain */
while(psz_parser)
{
config_chain_t *p_cfg;
char *psz_name;
char *psz_rest_chain = config_ChainCreate( &psz_name, &p_cfg, psz_parser );
free( psz_parser );
psz_parser = psz_rest_chain;
vlc_array_append(&cfg, p_cfg);
vlc_array_append(&name, psz_name);
}
int i = vlc_array_count(&name);
vlc_array_t module;
vlc_array_init(&module);
while(i--)
{
p_next = sout_StreamNew( p_sout, vlc_array_item_at_index(&name, i),
vlc_array_item_at_index(&cfg, i), p_next);
if(!p_next)
goto error;
if(i == vlc_array_count(&name) - 1 && pp_last)
*pp_last = p_next; /* last module created in the chain */
vlc_array_append(&module, p_next);
}
vlc_array_clear(&name);
vlc_array_clear(&cfg);
vlc_array_clear(&module);
return p_next;
error:
i++; /* last module couldn't be created */
/* destroy all modules created, starting with the last one */
int modules = vlc_array_count(&module);
while(modules--)
sout_StreamDelete(vlc_array_item_at_index(&module, modules));
vlc_array_clear(&module);
/* then destroy all names and config which weren't destroyed by
* sout_StreamDelete */
while(i--)
{
free(vlc_array_item_at_index(&name, i));
config_ChainDestroy(vlc_array_item_at_index(&cfg, i));
}
vlc_array_clear(&name);
vlc_array_clear(&cfg);
return NULL;
}
static char *sout_stream_url_to_chain( bool b_sout_display,
const char *psz_url )
{
mrl_t mrl;
char *psz_chain;
mrl_Parse( &mrl, psz_url );
/* Check if the URLs goes to #rtp - otherwise we'll use #standard */
static const char rtplist[] = "dccp\0sctp\0tcp\0udplite\0";
for (const char *a = rtplist; *a; a += strlen (a) + 1)
if (strcmp (a, mrl.psz_access) == 0)
goto rtp;
if (strcmp (mrl.psz_access, "rtp") == 0)
{
char *port;
/* For historical reasons, rtp:// means RTP over UDP */
strcpy (mrl.psz_access, "udp");
rtp:
if (mrl.psz_name[0] == '[')
{
port = strstr (mrl.psz_name, "]:");
if (port != NULL)
port++;
}
else
port = strchr (mrl.psz_name, ':');
if (port != NULL)
*port++ = '\0'; /* erase ':' */
if (asprintf (&psz_chain,
"rtp{mux=\"%s\",proto=\"%s\",dst=\"%s%s%s\"}",
mrl.psz_way, mrl.psz_access, mrl.psz_name,
port ? "\",port=\"" : "", port ? port : "") == -1)
psz_chain = NULL;
}
else
{
/* Convert the URL to a basic standard sout chain */
if (asprintf (&psz_chain,
"standard{mux=\"%s\",access=\"%s\",dst=\"%s\"}",
mrl.psz_way, mrl.psz_access, mrl.psz_name) == -1)
psz_chain = NULL;
}
/* Duplicate and wrap if sout-display is on */
if (psz_chain && b_sout_display)
{
char *tmp;
if (asprintf (&tmp, "duplicate{dst=display,dst=%s}", psz_chain) == -1)
tmp = NULL;
free (psz_chain);
psz_chain = tmp;
}
mrl_Clean( &mrl );
return psz_chain;
}
#undef sout_EncoderCreate
encoder_t *sout_EncoderCreate( vlc_object_t *p_this )
{
return vlc_custom_create( p_this, sizeof( encoder_t ), "encoder" );
}
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