Merge commit 'ba30b74686f0cb6c9dd465ac4820059c48bf9d08'

* commit 'ba30b74686f0cb6c9dd465ac4820059c48bf9d08':
  aac: Validate the sbr sample rate before using the value

See cf5f4c5169639349262aa221ae485a0de188afb1

Merged-by: James Almer <jamrial@gmail.com>

diff --git a/libavcodec/aacsbr_template.c b/libavcodec/aacsbr_template.c
index 930d33e..3fe78d5 100644 (file)
--- a/libavcodec/aacsbr_template.c
+++ b/libavcodec/aacsbr_template.c
@@ -261,13 +261,6 @@ static int sbr_make_f_master(AACContext *ac, SpectralBandReplication *sbr,
     const int8_t *sbr_offset_ptr;
     int16_t stop_dk[13];
 
-    if (sbr->sample_rate < 32000) {
-        temp = 3000;
-    } else if (sbr->sample_rate < 64000) {
-        temp = 4000;
-    } else
-        temp = 5000;
-
     switch (sbr->sample_rate) {
     case 16000:
         sbr_offset_ptr = sbr_offset[0];
@@ -293,6 +286,13 @@ static int sbr_make_f_master(AACContext *ac, SpectralBandReplication *sbr,
         return -1;
     }
 
+    if (sbr->sample_rate < 32000) {
+        temp = 3000;
+    } else if (sbr->sample_rate < 64000) {
+        temp = 4000;
+    } else
+        temp = 5000;
+
     start_min = ((temp << 7) + (sbr->sample_rate >> 1)) / sbr->sample_rate;
     stop_min  = ((temp << 8) + (sbr->sample_rate >> 1)) / sbr->sample_rate;