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mp3_enc.c: fix MP3 recording at 32 kHz sample rate

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Fixes a buffer overflow present when MP3 is encoded at 32000 Hz sample
rate, affected bitrates are 320 and 256 kbps.

Change-Id: I7634e70409be9d675d47be316a42630dd3147636
This commit is contained in:
Cástor Muñoz 2015-04-28 19:38:54 +02:00
parent ab3581c7ef
commit d68ecccd88
1 changed files with 2 additions and 2 deletions
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4
lib/rbcodec/codecs/mp3_enc.c
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@ -96,7 +96,7 @@ typedef struct
typedef struct typedef struct
{ {
int bitpos; /* current bitpos for writing */ int bitpos; /* current bitpos for writing */
uint32_t bbuf[263]; uint32_t bbuf[362];
} bf_data; } bf_data;
struct huffcodetab struct huffcodetab
@ -129,7 +129,7 @@ static int mdct_freq [576] IBSS_ATTR; /* 2304 Bytes */
static char mdct_sign [576] IBSS_ATTR; /* 576 Bytes */ static char mdct_sign [576] IBSS_ATTR; /* 576 Bytes */
static short enc_data [576] IBSS_ATTR; /* 1152 Bytes */ static short enc_data [576] IBSS_ATTR; /* 1152 Bytes */
static uint32_t scalefac [22] IBSS_ATTR; /* 88 Bytes */ static uint32_t scalefac [22] IBSS_ATTR; /* 88 Bytes */
static bf_data coded_data IBSS_ATTR; /* 1056 Bytes */ static bf_data coded_data IBSS_ATTR; /* 1448 Bytes */
static uint8_t band_scale_f[22] IBSS_ATTR; /* 22 Bytes */ static uint8_t band_scale_f[22] IBSS_ATTR; /* 22 Bytes */
#ifdef MP3_ENC_COP #ifdef MP3_ENC_COP