av_realloc() does not guarantee alignment, which is required for
DSPContext.bswap_buf().
---
 libavcodec/apedec.c |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/libavcodec/apedec.c b/libavcodec/apedec.c
index fa50d61..71cd6ef 100644
--- a/libavcodec/apedec.c
+++ b/libavcodec/apedec.c
@@ -155,6 +155,7 @@ typedef struct APEContext {
 
     uint8_t *data;                           ///< current frame data
     uint8_t *data_end;                       ///< frame data end
+    int data_size;                           ///< frame data allocated size
     const uint8_t *ptr;                      ///< current position in frame 
data
 
     int error;
@@ -171,6 +172,8 @@ static av_cold int ape_decode_close(AVCodecContext *avctx)
         av_freep(&s->filterbuf[i]);
 
     av_freep(&s->data);
+    s->data_size = 0;
+
     return 0;
 }
 
@@ -827,7 +830,6 @@ static int ape_decode_frame(AVCodecContext *avctx, void 
*data,
 
     if(!s->samples){
         uint32_t nblocks, offset;
-        void *tmp_data;
 
         if (!buf_size) {
             *got_frame_ptr = 0;
@@ -838,10 +840,9 @@ static int ape_decode_frame(AVCodecContext *avctx, void 
*data,
             return AVERROR_INVALIDDATA;
         }
 
-        tmp_data = av_realloc(s->data, FFALIGN(buf_size, 4));
-        if (!tmp_data)
+        av_fast_malloc(&s->data, &s->data_size, FFALIGN(buf_size, 4));
+        if (!s->data)
             return AVERROR(ENOMEM);
-        s->data = tmp_data;
         s->dsp.bswap_buf((uint32_t*)s->data, (const uint32_t*)buf, buf_size >> 
2);
         s->ptr = s->data;
         s->data_end = s->data + buf_size;
-- 
1.7.1

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