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Diffstat (limited to 'libavcodec/mpegaudiodecheader.c')
-rw-r--r--libavcodec/mpegaudiodecheader.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/mpegaudiodecheader.c b/libavcodec/mpegaudiodecheader.c
index 69dda452c3..25e73195b8 100644
--- a/libavcodec/mpegaudiodecheader.c
+++ b/libavcodec/mpegaudiodecheader.c
@@ -24,6 +24,8 @@
* MPEG Audio header decoder.
*/
+#include "libavutil/common.h"
+
#include "avcodec.h"
#include "mpegaudio.h"
#include "mpegaudiodata.h"
@@ -45,6 +47,8 @@ int avpriv_mpegaudio_decode_header(MPADecodeHeader *s, uint32_t header)
s->layer = 4 - ((header >> 17) & 3);
/* extract frequency */
sample_rate_index = (header >> 10) & 3;
+ if (sample_rate_index >= FF_ARRAY_ELEMS(avpriv_mpa_freq_tab))
+ sample_rate_index = 0;
sample_rate = avpriv_mpa_freq_tab[sample_rate_index] >> (s->lsf + mpeg25);
sample_rate_index += 3 * (s->lsf + mpeg25);
s->sample_rate_index = sample_rate_index;