Codecs: mp4: Optimize m4a_check_sample_offset

Make optimization from 2358fabb actually work.
Fix potential out of bound access.
Remove redundant zero offset check.

Change-Id: I0a0ba04670b612d410ac17a761bd08c2915721b9

1 files changed, 1 insertions, 6 deletions

diff --git a/lib/rbcodec/codecs/aac.c b/lib/rbcodec/codecs/aac.c
index 8b06f5aa0e..0a4313e69e 100644
--- a/lib/rbcodec/codecs/aac.c
+++ b/lib/rbcodec/codecs/aac.c
@@ -202,12 +202,7 @@ enum codec_status codec_run(void)
         {
             ci->advance_buffer(file_offset - ci->curpos);
         }
-        else if (file_offset == 0)
-        {
-            LOGF("AAC: get_sample_offset error\n");
-            return CODEC_ERROR;
-        }
-        
+
         /* Request the required number of bytes from the input buffer */
         buffer=ci->request_buffer(&n, FAAD_BYTE_BUFFER_SIZE);