Commit dca9e7a3 authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont

noseek: demux filter to disable seeking

parent e4167da8
...@@ -140,6 +140,7 @@ Stream filter: ...@@ -140,6 +140,7 @@ Stream filter:
Demux filter: Demux filter:
* Added a demuxer filter chain to filter or intercept control commands and demuxing * Added a demuxer filter chain to filter or intercept control commands and demuxing
* Added a demuxer filter to block seeking (--demux-filter noseek)
Audio output: Audio output:
* Complete rewrite of the AudioTrack Android module, it is now the default * Complete rewrite of the AudioTrack Android module, it is now the default
......
...@@ -262,6 +262,7 @@ $Id$ ...@@ -262,6 +262,7 @@ $Id$
* nfs: NFS access module using libnfs * nfs: NFS access module using libnfs
* normvol: a audio filter for volume normalization * normvol: a audio filter for volume normalization
* notify: notifications using libnotify * notify: notifications using libnotify
* noseek: seek prevention demuxing filter
* nsc: decoder for Microsoft proprietary NSC descriptors * nsc: decoder for Microsoft proprietary NSC descriptors
* nsspeechsynthesizer: Text to speech subtitles renderer * nsspeechsynthesizer: Text to speech subtitles renderer
* nsv: NullSoft Video demuxer * nsv: NullSoft Video demuxer
......
...@@ -464,3 +464,5 @@ libadaptive_plugin_la_LIBADD += $(GCRYPT_LIBS) ...@@ -464,3 +464,5 @@ libadaptive_plugin_la_LIBADD += $(GCRYPT_LIBS)
endif endif
demux_LTLIBRARIES += libadaptive_plugin.la demux_LTLIBRARIES += libadaptive_plugin.la
libnoseek_plugin_la_SOURCES = demux/filter/noseek.c
demux_LTLIBRARIES += libnoseek_plugin.la
/*****************************************************************************
* noseek.c:
*****************************************************************************
* Copyright (C) 2017 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.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_demux.h>
static int Demux(demux_t *demux)
{
return demux_Demux(demux->p_next);
}
static int Control(demux_t *demux, int query, va_list args)
{
switch (query)
{
case DEMUX_CAN_SEEK:
*va_arg(args, bool *) = false;
break;
case DEMUX_SET_POSITION:
case DEMUX_SET_TIME:
case DEMUX_GET_TITLE_INFO:
return VLC_EGENERIC;
case DEMUX_TEST_AND_CLEAR_FLAGS:
{
unsigned *restrict pf = va_arg(args, unsigned *);
if (demux_Control(demux->p_next, DEMUX_TEST_AND_CLEAR_FLAGS, pf))
{
unsigned update = demux->info.i_update & *pf;
demux->info.i_update &= ~*pf;
*pf = update;
}
*pf &= ~(INPUT_UPDATE_TITLE|INPUT_UPDATE_SEEKPOINT|
INPUT_UPDATE_TITLE_LIST);
break;
}
default:
return demux_vaControl(demux->p_next, query, args);
}
return VLC_SUCCESS;
}
static int Open(vlc_object_t *obj)
{
demux_t *demux = (demux_t *)obj;
demux->pf_demux = Demux;
demux->pf_control = Control;
return VLC_SUCCESS;
}
vlc_module_begin ()
set_description(N_("Seek prevention demux filter"))
set_category(CAT_INPUT)
set_subcategory(SUBCAT_INPUT_STREAM_FILTER)
set_capability("demux_filter", 0)
set_callbacks(Open, NULL)
vlc_module_end()
...@@ -444,6 +444,7 @@ modules/demux/caf.c ...@@ -444,6 +444,7 @@ modules/demux/caf.c
modules/demux/cdg.c modules/demux/cdg.c
modules/demux/demuxdump.c modules/demux/demuxdump.c
modules/demux/dirac.c modules/demux/dirac.c
modules/demux/filter/noseek.c
modules/demux/flac.c modules/demux/flac.c
modules/demux/gme.c modules/demux/gme.c
modules/demux/image.c modules/demux/image.c
......
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