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https://code.videolan.org/videolan/vlc
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![Lyndon Brown](/assets/img/avatar_default.png)
see e967f81f6a
.
note, this does **not** affect cat-based module selection items
(of which there are just three in use by the core), since that
mechanism uses subcats not cats.
174 lines
5.2 KiB
C
174 lines
5.2 KiB
C
/*****************************************************************************
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* dummy.c: dummy muxer module for vlc
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*****************************************************************************
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* Copyright (C) 2001, 2002 VLC authors and VideoLAN
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*
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* Authors: Laurent Aimar <fenrir@via.ecp.fr>
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* Eric Petit <titer@videolan.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <vlc_common.h>
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#include <vlc_plugin.h>
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#include <vlc_sout.h>
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#include <vlc_block.h>
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/*****************************************************************************
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* Module descriptor
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*****************************************************************************/
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static int Open ( vlc_object_t * );
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static void Close ( vlc_object_t * );
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vlc_module_begin ()
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set_description( N_("Dummy/Raw muxer") )
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set_capability( "sout mux", 5 )
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set_subcategory( SUBCAT_SOUT_MUX )
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add_shortcut( "dummy", "raw", "es" )
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set_callbacks( Open, Close )
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vlc_module_end ()
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/*****************************************************************************
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* Exported prototypes
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*****************************************************************************/
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static int Control( sout_mux_t *, int, va_list );
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static int AddStream( sout_mux_t *, sout_input_t * );
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static void DelStream( sout_mux_t *, sout_input_t * );
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static int Mux ( sout_mux_t * );
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typedef struct
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{
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/* Some streams have special initialization data, we'll output this
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* data as an header in the stream. */
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bool b_header;
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} sout_mux_sys_t;
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/*****************************************************************************
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* Open:
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*****************************************************************************/
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static int Open( vlc_object_t *p_this )
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{
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sout_mux_t *p_mux = (sout_mux_t*)p_this;
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sout_mux_sys_t *p_sys;
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msg_Dbg( p_mux, "Dummy/Raw muxer opened" );
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msg_Info( p_mux, "Open" );
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p_mux->pf_control = Control;
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p_mux->pf_addstream = AddStream;
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p_mux->pf_delstream = DelStream;
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p_mux->pf_mux = Mux;
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p_mux->p_sys = p_sys = malloc( sizeof( sout_mux_sys_t ) );
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if( !p_sys )
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return VLC_ENOMEM;
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p_sys->b_header = true;
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return VLC_SUCCESS;
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}
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/*****************************************************************************
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* Close:
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*****************************************************************************/
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static void Close( vlc_object_t * p_this )
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{
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sout_mux_t *p_mux = (sout_mux_t*)p_this;
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sout_mux_sys_t *p_sys = p_mux->p_sys;
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msg_Dbg( p_mux, "Dummy/Raw muxer closed" );
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free( p_sys );
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}
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static int Control( sout_mux_t *p_mux, int i_query, va_list args )
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{
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VLC_UNUSED(p_mux);
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bool *pb_bool;
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switch( i_query )
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{
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case MUX_CAN_ADD_STREAM_WHILE_MUXING:
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pb_bool = va_arg( args, bool * );
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*pb_bool = true;
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return VLC_SUCCESS;
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case MUX_GET_MIME: /* Unknown */
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default:
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return VLC_EGENERIC;
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}
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}
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static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
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{
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VLC_UNUSED(p_input);
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msg_Dbg( p_mux, "adding input" );
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return VLC_SUCCESS;
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}
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static void DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
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{
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VLC_UNUSED(p_input);
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msg_Dbg( p_mux, "removing input" );
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}
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static int Mux( sout_mux_t *p_mux )
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{
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sout_mux_sys_t *p_sys = p_mux->p_sys;
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int i;
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for( i = 0; i < p_mux->i_nb_inputs; i++ )
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{
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block_fifo_t *p_fifo;
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int i_count;
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if( p_sys->b_header && p_mux->pp_inputs[i]->p_fmt->i_extra )
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{
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/* Write header data */
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block_t *p_data;
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p_data = block_Alloc( p_mux->pp_inputs[i]->p_fmt->i_extra );
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memcpy( p_data->p_buffer, p_mux->pp_inputs[i]->p_fmt->p_extra,
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p_mux->pp_inputs[i]->p_fmt->i_extra );
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p_data->i_flags |= BLOCK_FLAG_HEADER;
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msg_Dbg( p_mux, "writing header data" );
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sout_AccessOutWrite( p_mux->p_access, p_data );
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}
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p_fifo = p_mux->pp_inputs[i]->p_fifo;
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i_count = block_FifoCount( p_fifo );
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while( i_count > 0 )
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{
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block_t *p_data = block_FifoGet( p_fifo );
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sout_AccessOutWrite( p_mux->p_access, p_data );
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i_count--;
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}
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}
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p_sys->b_header = false;
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return VLC_SUCCESS;
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}
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