small tweaks

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@2463 d0543943-73ff-0310-b7d9-9358b9ac24b2

diff --git a/src/mod/codecs/mod_amr/mod_amr.c b/src/mod/codecs/mod_amr/mod_amr.c
index b4f14b83808d30157c4c845bd92be0d8558f5aa0..152b11ce3f3fbfed8677f8bcd7e4dc5a3b316796 100644 (file)
--- a/src/mod/codecs/mod_amr/mod_amr.c
+++ b/src/mod/codecs/mod_amr/mod_amr.c
@@ -62,6 +62,7 @@ static const char modname[] = "mod_amr";
 
 struct amr_context {
        void *encoder_state;
+       void *decoder_state;
        int mode;
 };
 
@@ -105,13 +106,15 @@ static switch_status_t switch_amr_init(switch_codec_t *codec, switch_codec_flag_
        } else {
 
                context->mode = AMR_Mode; /* start in mode 7 */
+               context->encoder_state = NULL;
+               context->decoder_state = NULL;
 
                if (encoding) {
                        context->encoder_state = Encoder_Interface_init(0);
                }
 
                if (decoding) {
-                       Decoder_Interface_init();
+                       context->decoder_state = Decoder_Interface_init();
                }
 
                codec->private_info = context;
@@ -123,8 +126,13 @@ static switch_status_t switch_amr_init(switch_codec_t *codec, switch_codec_flag_
 static switch_status_t switch_amr_destroy(switch_codec_t *codec) 
 {
        struct amr_context *context = codec->private_info;
-       Encoder_Interface_exit(context->encoder_state);
-       Decoder_Interface_exit(context->encoder_state);
+
+       if (context->encoder_state) {
+               Encoder_Interface_exit(context->encoder_state);
+       }
+       if (context->decoder_state) {
+               Decoder_Interface_exit(context->decoder_state);
+       }
        codec->private_info = NULL;
        return SWITCH_STATUS_SUCCESS;
 }