Merge commit 'cacad1c0'

* commit 'cacad1c0':
  wmaprodec: require block_align to be set.
  wmadec: require block_align to be set.
  ivi_common: do not call MC for intra frames when dc_transform is unset

Conflicts:
	libavcodec/ivi_common.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/ivi_common.c

@@ -538,8 +538,8 @@ static int ivi_decode_blocks(GetBitContext *gb, IVIBandDesc *band, IVITile *tile
                 /* for intra blocks apply the dc slant transform */
                 /* for inter - perform the motion compensation without delta */
                 if (is_intra) {
-                    band->dc_transform(&prev_dc, band->buf + buf_offs,
-                                       band->pitch, blk_size);
+                        band->dc_transform(&prev_dc, band->buf + buf_offs,
+                                           band->pitch, blk_size);
                 } else
                     mc_no_delta_func(band->buf + buf_offs,
                                      band->ref_buf + buf_offs + mv_y * band->pitch + mv_x,

libavcodec/wmadec.c

@@ -72,6 +72,11 @@ static int wma_decode_init(AVCodecContext * avctx)
     int i, flags2;
     uint8_t *extradata;
 
+    if (!avctx->block_align) {
+        av_log(avctx, AV_LOG_ERROR, "block_align is not set\n");
+        return AVERROR(EINVAL);
+    }
+
     s->avctx = avctx;
 
     /* extract flag infos */

libavcodec/wmaprodec.c

@@ -277,6 +277,11 @@ static av_cold int decode_init(AVCodecContext *avctx)
     int log2_max_num_subframes;
     int num_possible_block_sizes;
 
+    if (!avctx->block_align) {
+        av_log(avctx, AV_LOG_ERROR, "block_align is not set\n");
+        return AVERROR(EINVAL);
+    }
+
     s->avctx = avctx;
     avpriv_float_dsp_init(&s->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);