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https://code.videolan.org/videolan/vlc
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6f68f89498
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.
113 lines
3.1 KiB
C
113 lines
3.1 KiB
C
/*****************************************************************************
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* sdp.c: Fake input for sdp:// scheme
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*****************************************************************************
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* Copyright (C) 2010 Rémi Denis-Courmont
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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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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <limits.h>
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#include <string.h>
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#include <vlc_common.h>
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#include <vlc_plugin.h>
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#include <vlc_access.h>
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static ssize_t Read (stream_t *access, void *buf, size_t len)
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{
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const char **inp = access->p_sys, *in = *inp;
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size_t avail = strnlen(in, len);
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if (len > avail)
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len = avail;
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memcpy(buf, in, len);
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*inp += len;
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return len;
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}
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static int Seek (stream_t *access, uint64_t position)
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{
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const char **inp = access->p_sys;
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#if (UINT64_MAX > SIZE_MAX)
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if (unlikely(position > SIZE_MAX))
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position = SIZE_MAX;
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#endif
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*inp = access->psz_location + strnlen(access->psz_location, position);
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return VLC_SUCCESS;
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}
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static int Control (stream_t *access, int query, va_list args)
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{
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switch (query)
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{
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case STREAM_CAN_SEEK:
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case STREAM_CAN_FASTSEEK:
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case STREAM_CAN_PAUSE:
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case STREAM_CAN_CONTROL_PACE:
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{
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bool *b = va_arg(args, bool *);
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*b = true;
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return VLC_SUCCESS;
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}
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case STREAM_GET_SIZE:
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*va_arg(args, uint64_t *) = strlen(access->psz_location);
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return VLC_SUCCESS;
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case STREAM_GET_PTS_DELAY:
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*va_arg(args, vlc_tick_t *) = DEFAULT_PTS_DELAY;
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return VLC_SUCCESS;
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case STREAM_SET_PAUSE_STATE:
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return VLC_SUCCESS;
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}
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return VLC_EGENERIC;
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}
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static int Open (vlc_object_t *obj)
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{
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stream_t *access = (stream_t *)obj;
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const char **sys = vlc_obj_malloc(obj, sizeof (*sys));
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if (unlikely(sys == NULL))
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return VLC_ENOMEM;
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*sys = access->psz_location;
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access->pf_read = Read;
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access->pf_block = NULL;
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access->pf_seek = Seek;
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access->pf_control = Control;
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access->p_sys = sys;
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return VLC_SUCCESS;
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}
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vlc_module_begin()
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set_shortname(N_("SDP"))
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set_description(N_("Session Description Protocol"))
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set_subcategory(SUBCAT_INPUT_ACCESS)
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set_capability("access", 0)
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set_callback(Open)
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add_shortcut("sdp")
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vlc_module_end()
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