Commit 21bb83f3 authored by Tristan Matthews's avatar Tristan Matthews

stream_filter: add ADF stream filter (Fixes #17501)

parent e9574d8b
......@@ -115,6 +115,7 @@ Demuxers:
* Fix Quicktime Mp4 inside MKV and unpacketized VC1
Stream filter:
* Added ADF stream filter
* Added ARIB STD-B25 TS streams decoder
* Added stream prebuffering plugin
* Removed HTTP Live streaming stream filter
......
......@@ -24,6 +24,7 @@ $Id$
* adaptive: Unified adaptive streaming module (DASH/HLS)
* addonsfsstorage: Local storage extensions repository
* addonsvorepository: Videolan extensions repository
* adf: ADF stream_filter module
* adjust: Contrast/Hue/saturation/Brightness adjust module
* adpcm: ADPCM audio decoder
* adummy: dummy audio output
......
......@@ -49,3 +49,6 @@ libaccesstweaks_plugin_la_CFLAGS = $(AM_CFLAGS)
libaccesstweaks_plugin_la_LDFLAGS = $(AM_LDFLAGS) -rpath '$(stream_filterdir)'
stream_filter_LTLIBRARIES += $(LTLIBaccesstweaks)
EXTRA_LTLIBRARIES += libaccesstweaks_plugin.la
libadf_plugin_la_SOURCES = stream_filter/adf.c
stream_filter_LTLIBRARIES += libadf_plugin.la
/*****************************************************************************
* adf.c ADF stream filter
*****************************************************************************
* Copyright (C) 2016 VideoLAN Authors
*
* Author: Tristan Matthews <tmatth@videolan.org>
* Based on record.c by: Laurent Aimar <fenrir _AT_ videolan _DOT_ 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 <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_stream.h>
static int Open( vlc_object_t * );
vlc_module_begin()
set_shortname( "adf" )
set_category( CAT_INPUT )
set_subcategory( SUBCAT_INPUT_STREAM_FILTER )
set_capability( "stream_filter", 30 )
set_description( N_( "ADF stream filter" ) )
set_callbacks( Open, NULL )
vlc_module_end()
static int Control( stream_t *p_stream, int i_query, va_list args )
{
return vlc_stream_vaControl( p_stream->p_source, i_query, args );
}
static ssize_t Read( stream_t *s, void *buffer, size_t i_read )
{
const ssize_t i_ret = vlc_stream_Read( s->p_source, buffer, i_read );
if( i_ret < 1 || !buffer ) return i_ret;
uint8_t *p_buffer = buffer;
static const uint8_t ADF_XOR_MASK = 34;
for( ssize_t i = 0; i < i_ret; ++i )
p_buffer[i] ^= ADF_XOR_MASK;
return i_ret;
}
static int Seek( stream_t *s, uint64_t offset )
{
return vlc_stream_Seek( s->p_source, offset );
}
static int Open( vlc_object_t *p_object )
{
stream_t *p_stream = (stream_t *)p_object;
const uint8_t *peek;
if( vlc_stream_Peek( p_stream->p_source, &peek, 3 ) < 3 )
return VLC_EGENERIC;
/* Probe for XOR'd ID3 tag. */
if( memcmp( peek, "\x6B\x66\x11", 3 ) )
return VLC_EGENERIC;
p_stream->pf_read = Read;
p_stream->pf_seek = Seek;
p_stream->pf_control = Control;
return VLC_SUCCESS;
}
......@@ -1029,6 +1029,7 @@ modules/services_discovery/udev.c
modules/services_discovery/upnp.cpp
modules/services_discovery/windrive.c
modules/services_discovery/xcb_apps.c
modules/stream_filter/adf.c
modules/stream_filter/aribcam.c
modules/stream_filter/cache_block.c
modules/stream_filter/cache_read.c
......
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