From d09f9c45c7554e6d9b20be5b640f67fcf053250b Mon Sep 17 00:00:00 2001
From: Rostislav Pehlivanov <atomnuker@gmail.com>
Date: Tue, 1 Sep 2015 06:40:12 +0100
Subject: [PATCH] aacenc: allocate a larger buffer for the TNS LPC context
Turns out autocorrelating more than 750 coefficients at once
will cause a segfault, despite there being enough space to
hold an entire frame of samples into the buffer.
Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>
---
libavcodec/aacenc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/aacenc.c b/libavcodec/aacenc.c
index 62dba34ee4a..232eeda04fa 100644
--- a/libavcodec/aacenc.c
+++ b/libavcodec/aacenc.c
@@ -825,7 +825,7 @@ static av_cold int aac_encode_init(AVCodecContext *avctx)
goto fail;
s->psypp = ff_psy_preprocess_init(avctx);
s->coder = &ff_aac_coders[s->options.aac_coder];
- ff_lpc_init(&s->lpc, avctx->frame_size, MAX_LPC_ORDER, FF_LPC_TYPE_LEVINSON);
+ ff_lpc_init(&s->lpc, 2*avctx->frame_size, TNS_MAX_ORDER, FF_LPC_TYPE_LEVINSON);
if (HAVE_MIPSDSPR1)
ff_aac_coder_init_mips(s);
--
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