ffplay: avoid forward declaration for packet_queue_put()

Define the function before it is used. Simplify.
Signed-off-by: Stefano Sabatini <stefano.sabatini-lala@poste.it>

ffplay.c

@@ -284,7 +284,37 @@ static AVPacket flush_pkt;
 
 static SDL_Surface *screen;
 
-static int packet_queue_put(PacketQueue *q, AVPacket *pkt);
+static int packet_queue_put(PacketQueue *q, AVPacket *pkt)
+{
+    AVPacketList *pkt1;
+
+    /* duplicate the packet */
+    if (pkt!=&flush_pkt && av_dup_packet(pkt) < 0)
+        return -1;
+
+    pkt1 = av_malloc(sizeof(AVPacketList));
+    if (!pkt1)
+        return -1;
+    pkt1->pkt = *pkt;
+    pkt1->next = NULL;
+
+
+    SDL_LockMutex(q->mutex);
+
+    if (!q->last_pkt)
+
+        q->first_pkt = pkt1;
+    else
+        q->last_pkt->next = pkt1;
+    q->last_pkt = pkt1;
+    q->nb_packets++;
+    q->size += pkt1->pkt.size + sizeof(*pkt1);
+    /* XXX: should duplicate packet data in DV case */
+    SDL_CondSignal(q->cond);
+
+    SDL_UnlockMutex(q->mutex);
+    return 0;
+}
 
 /* packet queue handling */
 static void packet_queue_init(PacketQueue *q)
@@ -319,38 +349,6 @@ static void packet_queue_end(PacketQueue *q)
     SDL_DestroyCond(q->cond);
 }
 
-static int packet_queue_put(PacketQueue *q, AVPacket *pkt)
-{
-    AVPacketList *pkt1;
-
-    /* duplicate the packet */
-    if (pkt!=&flush_pkt && av_dup_packet(pkt) < 0)
-        return -1;
-
-    pkt1 = av_malloc(sizeof(AVPacketList));
-    if (!pkt1)
-        return -1;
-    pkt1->pkt = *pkt;
-    pkt1->next = NULL;
-
-
-    SDL_LockMutex(q->mutex);
-
-    if (!q->last_pkt)
-
-        q->first_pkt = pkt1;
-    else
-        q->last_pkt->next = pkt1;
-    q->last_pkt = pkt1;
-    q->nb_packets++;
-    q->size += pkt1->pkt.size + sizeof(*pkt1);
-    /* XXX: should duplicate packet data in DV case */
-    SDL_CondSignal(q->cond);
-
-    SDL_UnlockMutex(q->mutex);
-    return 0;
-}
-
 static void packet_queue_abort(PacketQueue *q)
 {
     SDL_LockMutex(q->mutex);