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-rw-r--r--libavcodec/gsmdec.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/gsmdec.c b/libavcodec/gsmdec.c
index 3759f35d21..a9d9c345e8 100644
--- a/libavcodec/gsmdec.c
+++ b/libavcodec/gsmdec.c
@@ -34,6 +34,10 @@
#define GSM_FRAME_SIZE 160
typedef struct {
+ // Contains first 120 elements from the previous frame
+ // (used by long_term_synth according to the "lag"),
+ // then in the following 160 elements the current
+ // frame is constructed.
int16_t ref_buf[280];
int v[9];
int lar[2][8];