atrac3: move the 'delay' field from ATRAC3Context to where it is used

libavcodec/atrac3.c

@@ -113,7 +113,6 @@ typedef struct ATRAC3Context {
     //@}
     //@{
     /** extradata */
-    int delay;
     int scrambled_stream;
     int frame_factor;
     //@}
@@ -853,7 +852,7 @@ static int atrac3_decode_frame(AVCodecContext *avctx, void *data,
 static av_cold int atrac3_decode_init(AVCodecContext *avctx)
 {
     int i, ret;
-    int version;
+    int version, delay;
     const uint8_t *edata_ptr = avctx->extradata;
     ATRAC3Context *q = avctx->priv_data;
     static VLC_TYPE atrac3_vlc_table[4096][2];
@@ -886,7 +885,7 @@ static av_cold int atrac3_decode_init(AVCodecContext *avctx)
         /* setup */
         q->samples_per_frame = SAMPLES_PER_FRAME * avctx->channels;
         version              = 4;
-        q->delay             = 0x88E;
+        delay                = 0x88E;
         q->coding_mode       = q->coding_mode ? JOINT_STEREO : STEREO;
         q->scrambled_stream  = 0;
 
@@ -902,7 +901,7 @@ static av_cold int atrac3_decode_init(AVCodecContext *avctx)
         /* Parse the extradata, RM format. */
         version                = bytestream_get_be32(&edata_ptr);
         q->samples_per_frame   = bytestream_get_be16(&edata_ptr);
-        q->delay               = bytestream_get_be16(&edata_ptr);
+        delay                  = bytestream_get_be16(&edata_ptr);
         q->coding_mode         = bytestream_get_be16(&edata_ptr);
         q->samples_per_channel = q->samples_per_frame / avctx->channels;
         q->scrambled_stream    = 1;
@@ -926,9 +925,9 @@ static av_cold int atrac3_decode_init(AVCodecContext *avctx)
         return AVERROR_INVALIDDATA;
     }
 
-    if (q->delay != 0x88E) {
+    if (delay != 0x88E) {
         av_log(avctx, AV_LOG_ERROR, "Unknown amount of delay %x != 0x88E.\n",
-               q->delay);
+               delay);
         return AVERROR_INVALIDDATA;
     }