1 files changed, 9 insertions, 0 deletions

diff --git a/apps/codecs/libalac/alac.c b/apps/codecs/libalac/alac.c
index a7d7448b97..38fd6e1cdf 100644
--- a/apps/codecs/libalac/alac.c
+++ b/apps/codecs/libalac/alac.c
@@ -1108,10 +1108,14 @@ int alac_decode_frame(alac_file *alac,
 {
     int channels;
     int outputsamples;
+    int input_buffer_start;
 
     /* setup the stream */
     alac->input_buffer = inbuffer;
     alac->input_buffer_bitaccumulator = 0;
+    
+    /* save to gather byte consumption */
+    input_buffer_start = (int)alac->input_buffer;
 
     channels = readbits(alac, 3);
 
@@ -1127,6 +1131,11 @@ int alac_decode_frame(alac_file *alac,
         default: /* Unsupported */
             return -1;
     }
+    
+    /* calculate consumed bytes */
+    alac->bytes_consumed = (int)alac->input_buffer - input_buffer_start;
+    alac->bytes_consumed += (alac->input_buffer_bitaccumulator>5) ? 2 : 1;
+
     return outputsamples;
 }