ffv1enc: switch to ff_alloc_packet2()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/ffv1.c

@@ -26,6 +26,7 @@
  */
 
 #include "avcodec.h"
+#include "internal.h"
 #include "get_bits.h"
 #include "put_bits.h"
 #include "dsputil.h"
@@ -1153,10 +1154,8 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     uint8_t *buf_p;
     int i, ret;
 
-    if (!pkt->data &&
-        (ret = av_new_packet(pkt, avctx->width*avctx->height*((8*2+1+1)*4)/8
+    if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width*avctx->height*((8*2+1+1)*4)/8
                                   + FF_MIN_BUFFER_SIZE)) < 0) {
-        av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
         return ret;
     }