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FFmpeg/libavformat/riff.h
Max Horn ca402f32e3 handle malloc failures in ff_get_wav_header
ff_get_wav_header is reading data from a WAVE file and then uses it
(without validation) to malloc a buffer. It then proceeded to read
data into the buffer, without verifying that the allocation succeeded.

To address this, change ff_get_wav_header to return an error if
allocation failed, and adapted all calling code to handle that error.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2011-04-14 13:56:09 +02:00

58 lines
2.0 KiB
C

/*
* RIFF codec tags
* copyright (c) 2000 Fabrice Bellard
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* internal header for RIFF based (de)muxers
* do NOT include this in end user applications
*/
#ifndef AVFORMAT_RIFF_H
#define AVFORMAT_RIFF_H
#include "libavcodec/avcodec.h"
#include "avio.h"
#include "internal.h"
int64_t ff_start_tag(AVIOContext *pb, const char *tag);
void ff_end_tag(AVIOContext *pb, int64_t start);
/**
* Read BITMAPINFOHEADER structure and set AVStream codec width, height and
* bits_per_encoded_sample fields. Does not read extradata.
* @return codec tag
*/
int ff_get_bmp_header(AVIOContext *pb, AVStream *st);
void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf);
int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc);
enum CodecID ff_wav_codec_get_id(unsigned int tag, int bps);
int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size);
extern const AVCodecTag ff_codec_bmp_tags[];
extern const AVCodecTag ff_codec_wav_tags[];
unsigned int ff_codec_get_tag(const AVCodecTag *tags, enum CodecID id);
enum CodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag);
void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale);
#endif /* AVFORMAT_RIFF_H */