mirror of
https://code.videolan.org/videolan/vlc
synced 2024-09-04 09:11:33 +02:00
![Rémi Denis-Courmont](/assets/img/avatar_default.png)
- Remove configurable boundary that had never been working anyway (did not match the original value from MUX_GET_MIME)
182 lines
5.9 KiB
C
182 lines
5.9 KiB
C
/*****************************************************************************
|
|
* mpjpeg.c: mime multipart jpeg muxer module for vlc
|
|
*****************************************************************************
|
|
* Copyright (C) 2001, 2002, 2006 the VideoLAN team
|
|
* $Id$
|
|
*
|
|
* Authors: Sigmund Augdal Helberg <dnumgis@videolan.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU 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
|
|
*****************************************************************************/
|
|
|
|
#include <vlc/vlc.h>
|
|
#include <vlc_sout.h>
|
|
#include <vlc_block.h>
|
|
#include <vlc_codecs.h>
|
|
|
|
/*****************************************************************************
|
|
* Module descriptor
|
|
*****************************************************************************/
|
|
static int Open ( vlc_object_t * );
|
|
static void Close ( vlc_object_t * );
|
|
|
|
#define SOUT_CFG_PREFIX "sout-mpjpeg-"
|
|
|
|
vlc_module_begin();
|
|
set_shortname( "MPJPEG" );
|
|
set_description( _("Multipart JPEG muxer") );
|
|
set_capability( "sout mux", 5 );
|
|
add_obsolete_string( SOUT_CFG_PREFIX "separator" );
|
|
set_category( CAT_SOUT );
|
|
set_subcategory( SUBCAT_SOUT_MUX );
|
|
set_callbacks( Open, Close );
|
|
add_shortcut( "mpjpeg" );
|
|
vlc_module_end();
|
|
|
|
/*****************************************************************************
|
|
* Exported prototypes
|
|
*****************************************************************************/
|
|
static int Control ( sout_mux_t *, int, va_list );
|
|
static int AddStream( sout_mux_t *, sout_input_t * );
|
|
static int DelStream( sout_mux_t *, sout_input_t * );
|
|
static int Mux ( sout_mux_t * );
|
|
|
|
/* This pseudo-random sequence is unlikely to ever happen */
|
|
#define BOUNDARY "7b3cc56e5f51db803f790dad720ed50a"
|
|
|
|
/*****************************************************************************
|
|
* Open:
|
|
*****************************************************************************/
|
|
static int Open( vlc_object_t *p_this )
|
|
{
|
|
sout_mux_t *p_mux = (sout_mux_t*)p_this;
|
|
|
|
msg_Dbg( p_mux, "Multipart jpeg muxer opened" );
|
|
|
|
p_mux->pf_control = Control;
|
|
p_mux->pf_addstream = AddStream;
|
|
p_mux->pf_delstream = DelStream;
|
|
p_mux->pf_mux = Mux;
|
|
p_mux->p_sys = NULL;
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Close:
|
|
*****************************************************************************/
|
|
|
|
static void Close( vlc_object_t * p_this )
|
|
{
|
|
/* TODO: send the ending boundary ("\r\n--"BOUNDARY"--\r\n"),
|
|
* but is the access_output still useable?? */
|
|
msg_Dbg( p_this, "Multipart jpeg muxer closed" );
|
|
}
|
|
|
|
static int Control( sout_mux_t *p_mux, int i_query, va_list args )
|
|
{
|
|
vlc_bool_t *pb_bool;
|
|
char **ppsz;
|
|
|
|
switch( i_query )
|
|
{
|
|
case MUX_CAN_ADD_STREAM_WHILE_MUXING:
|
|
pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
|
|
*pb_bool = VLC_TRUE;
|
|
return VLC_SUCCESS;
|
|
|
|
case MUX_GET_ADD_STREAM_WAIT:
|
|
pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
|
|
*pb_bool = VLC_TRUE;
|
|
return VLC_SUCCESS;
|
|
|
|
case MUX_GET_MIME:
|
|
ppsz = (char**)va_arg( args, char ** );
|
|
*ppsz = strdup( "multipart/x-mixed-replace; boundary="BOUNDARY );
|
|
return VLC_SUCCESS;
|
|
|
|
default:
|
|
return VLC_EGENERIC;
|
|
}
|
|
}
|
|
|
|
static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
|
|
{
|
|
if( p_mux->i_nb_inputs > 1 )
|
|
{
|
|
msg_Dbg( p_mux, "only 1 input allowed" );
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
msg_Dbg( p_mux, "adding input" );
|
|
if( p_input->p_fmt->i_codec != VLC_FOURCC('M','J','P','G') &&
|
|
p_input->p_fmt->i_codec != VLC_FOURCC('m','j','p','g') &&
|
|
p_input->p_fmt->i_codec != VLC_FOURCC('j','p','e','g') &&
|
|
p_input->p_fmt->i_codec != VLC_FOURCC('J','P','E','G') &&
|
|
p_input->p_fmt->i_codec != VLC_FOURCC('J','F','I','F') &&
|
|
p_input->p_fmt->i_codec != VLC_FOURCC('J','P','G','L') &&
|
|
p_input->p_fmt->i_codec != VLC_FOURCC('m','j','p','a') )
|
|
{
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
|
|
{
|
|
msg_Dbg( p_mux, "removing input" );
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
static int Mux( sout_mux_t *p_mux )
|
|
{
|
|
block_fifo_t *p_fifo;
|
|
|
|
if( !p_mux->i_nb_inputs ) return VLC_SUCCESS;
|
|
|
|
p_fifo = p_mux->pp_inputs[0]->p_fifo;
|
|
|
|
while( block_FifoCount( p_fifo ) > 0 )
|
|
{
|
|
static const char psz_hfmt[] = "\r\n"
|
|
"--"BOUNDARY"\r\n"
|
|
"Content-Type: image/jpeg\r\n"
|
|
"Content-Length: %u\r\n"
|
|
"\r\n";
|
|
block_t *p_data = block_FifoGet( p_fifo );
|
|
block_t *p_header = block_New( p_mux, sizeof( psz_hfmt ) + 20 );
|
|
|
|
if( p_header == NULL ) /* uho! */
|
|
{
|
|
block_Release( p_data );
|
|
continue;
|
|
}
|
|
|
|
p_header->i_buffer =
|
|
snprintf( (char *)p_header->p_buffer, p_header->i_buffer,
|
|
psz_hfmt, p_data->i_buffer );
|
|
p_header->i_flags |= BLOCK_FLAG_HEADER;
|
|
sout_AccessOutWrite( p_mux->p_access, p_header );
|
|
sout_AccessOutWrite( p_mux->p_access, p_data );
|
|
}
|
|
|
|
return VLC_SUCCESS;
|
|
}
|