mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-09 10:59:39 +00:00
60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
/* Gstreamer
|
|
* Copyright (C) <2011> Intel Corporation
|
|
* Copyright (C) <2011> Collabora Ltd.
|
|
* Copyright (C) <2011> Thibault Saunier <thibault.saunier@collabora.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include "parserutils.h"
|
|
|
|
gboolean
|
|
decode_vlc (GstBitReader * br, guint * res, const VLCTable * table,
|
|
guint length)
|
|
{
|
|
guint8 i;
|
|
guint cbits = 0;
|
|
guint32 value = 0;
|
|
|
|
for (i = 0; i < length; i++) {
|
|
if (cbits != table[i].cbits) {
|
|
cbits = table[i].cbits;
|
|
if (!gst_bit_reader_peek_bits_uint32 (br, &value, cbits)) {
|
|
goto failed;
|
|
}
|
|
}
|
|
|
|
if (value == table[i].cword) {
|
|
SKIP (br, cbits);
|
|
if (res)
|
|
*res = table[i].value;
|
|
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
GST_DEBUG ("Did not find code");
|
|
|
|
failed:
|
|
{
|
|
GST_WARNING ("Could not decode VLC returning");
|
|
|
|
return FALSE;
|
|
}
|
|
}
|