Merge commit '66499f34b56fc6a9fdef25543bd9d576fc787895'

* commit '66499f34b56fc6a9fdef25543bd9d576fc787895':
  mpegvideo: do not set current_picture_ptr in decoders

Conflicts:
	libavcodec/mss2.c

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

libavcodec/h261dec.c

@@ -586,15 +586,6 @@ retry:
         if (ff_MPV_common_init(s) < 0)
             return -1;
 
-    /* We need to set current_picture_ptr before reading the header,
-     * otherwise we cannot store anything in there. */
-    if (s->current_picture_ptr == NULL || s->current_picture_ptr->f.data[0]) {
-        int i = ff_find_unused_picture(s, 0);
-        if (i < 0)
-            return i;
-        s->current_picture_ptr = &s->picture[i];
-    }
-
     ret = h261_decode_picture_header(h);
 
     /* skip if the header was thrashed */

libavcodec/mss2.c

@@ -377,13 +377,6 @@ static int decode_wmv9(AVCodecContext *avctx, const uint8_t *buf, int buf_size,
 
     ff_mpeg_flush(avctx);
 
-    if (s->current_picture_ptr == NULL || s->current_picture_ptr->f.data[0]) {
-        int i = ff_find_unused_picture(s, 0);
-        if (i < 0)
-            return i;
-        s->current_picture_ptr = &s->picture[i];
-    }
-
     if ((ret = init_get_bits8(&s->gb, buf, buf_size)) < 0)
         return ret;
 

libavcodec/vc1dec.c

@@ -5968,15 +5968,6 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
         }
     }
 
-    /* We need to set current_picture_ptr before reading the header,
-     * otherwise we cannot store anything in there. */
-    if (s->current_picture_ptr == NULL || s->current_picture_ptr->f.data[0]) {
-        int i = ff_find_unused_picture(s, 0);
-        if (i < 0)
-            goto err;
-        s->current_picture_ptr = &s->picture[i];
-    }
-
     // do parse frame header
     v->pic_header_flag = 0;
     v->first_pic_header_flag = 1;