mpv/libmpdemux/demux_cue.c

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/*
* This file is part of MPlayer.
*
* MPlayer 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.
*
* MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
#include "bstr.h"
#include "demuxer.h"
#include "stream/stream.h"
// timeline/tl_cue.c
bool mp_probe_cue(struct bstr s);
#define PROBE_SIZE 512
static int try_open_file(struct demuxer *demuxer)
{
struct stream *s = demuxer->stream;
char buf[PROBE_SIZE];
int len = stream_read(s, buf, sizeof(buf));
if (len <= 0)
return 0;
if (!mp_probe_cue((struct bstr) { buf, len }))
return 0;
stream_seek(s, 0);
demuxer->file_contents = stream_read_complete(s, demuxer, 1000000, 0);
if (demuxer->file_contents.start == NULL)
return 0;
if (!mp_probe_cue((struct bstr) { buf, len }))
return 0;
return DEMUXER_TYPE_CUE;
}
static int dummy_fill_buffer(struct demuxer *demuxer, struct demux_stream *ds)
{
return 0;
}
const struct demuxer_desc demuxer_desc_cue = {
.info = "CUE file demuxer",
.name = "cue",
.shortdesc = "CUE",
.author = "Uoti Urpala",
.comment = "",
.type = DEMUXER_TYPE_CUE,
.safe_check = true,
.check_file = try_open_file, // no separate .open
.fill_buffer = dummy_fill_buffer,
};