smacker: fix a few off by 1 errors

stereo & 16bit is untested due to lack of samples

Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit 5166376f24545207607f61ed8ff4e1b0572ff320)

Signed-off-by: Anton Khirnov <anton@khirnov.net>

2 files changed, 84 insertions, 84 deletions

diff --git a/libavcodec/smacker.c b/libavcodec/smacker.c
index 9628b07492..1fa40def62 100644
--- a/libavcodec/smacker.c
+++ b/libavcodec/smacker.c
@@ -624,9 +624,9 @@ static int smka_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
     if(bits) { //decode 16-bit data
         for(i = stereo; i >= 0; i--)
             pred[i] = av_bswap16(get_bits(&gb, 16));
-        for(i = 0; i < stereo; i++)
+        for(i = 0; i <= stereo; i++)
             *samples++ = pred[i];
-        for(i = 0; i < unp_size / 2; i++) {
+        for(; i < unp_size / 2; i++) {
             if(i & stereo) {
                 if(vlc[2].table)
                     res = get_vlc2(&gb, vlc[2].table, SMKTREE_BITS, 3);
@@ -658,9 +658,9 @@ static int smka_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
     } else { //8-bit data
         for(i = stereo; i >= 0; i--)
             pred[i] = get_bits(&gb, 8);
-        for(i = 0; i < stereo; i++)
+        for(i = 0; i <= stereo; i++)
             *samples8++ = pred[i];
-        for(i = 0; i < unp_size; i++) {
+        for(; i < unp_size; i++) {
             if(i & stereo){
                 if(vlc[1].table)
                     res = get_vlc2(&gb, vlc[1].table, SMKTREE_BITS, 3);
diff --git a/tests/ref/fate/smacker b/tests/ref/fate/smacker
index 85c4a9817c..df88a4ae8a 100644
--- a/tests/ref/fate/smacker
+++ b/tests/ref/fate/smacker
@@ -1,5 +1,5 @@
 0, 0, 192000, 0x8926d7fc
-1, 0, 47240, 0xad778a78
+1, 0, 47240, 0x9974897c
 0, 6390, 192000, 0x2506d384
 0, 12780, 192000, 0x9a8dc93a
 0, 19170, 192000, 0x4badb7f2
@@ -15,163 +15,163 @@
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