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iLBC: Handle a case of bad input data

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We detect an unreasonable state (caused by a bad encoded stream)
before it can lead to problems, and handle it by resetting the
decoder.

NOPRESUBMIT=true
BUG=chromium:617124

Review-Url: https://codereview.webrtc.org/2255203002
Cr-Commit-Position: refs/heads/master@{#13888}
This commit is contained in:
kwiberg
2016-08-24 02:46:44 -07:00
committed by Commit bot
parent 0aa9d1808b
commit 619a211562
16 changed files with 211 additions and 99 deletions
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19
webrtc/modules/audio_coding/codecs/ilbc/cb_construct.h
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@ -19,20 +19,21 @@
#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_CB_CONSTRUCT_H_
#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_CB_CONSTRUCT_H_
#include <stdbool.h>
#include "defines.h"
/*----------------------------------------------------------------*
* Construct decoded vector from codebook and gains.
*---------------------------------------------------------------*/
void WebRtcIlbcfix_CbConstruct(
int16_t *decvector, /* (o) Decoded vector */
int16_t *index, /* (i) Codebook indices */
int16_t *gain_index, /* (i) Gain quantization indices */
int16_t *mem, /* (i) Buffer for codevector construction */
size_t lMem, /* (i) Length of buffer */
size_t veclen /* (i) Length of vector */
);
// Returns true on success, false on failure.
bool WebRtcIlbcfix_CbConstruct(
int16_t* decvector, /* (o) Decoded vector */
int16_t* index, /* (i) Codebook indices */
int16_t* gain_index, /* (i) Gain quantization indices */
int16_t* mem, /* (i) Buffer for codevector construction */
size_t lMem, /* (i) Length of buffer */
size_t veclen /* (i) Length of vector */
) WARN_UNUSED_RESULT;
#endif