Merge remote-tracking branch 'qatar/master'

* qatar/master: (22 commits)
  wma: Clip WMA1 and WMA2 frame length to 11 bits.
  movenc: Don't require frame_size to be set for modes other than mov
  doc: Update APIchanges with info on muxer flushing
  movenc: Reindent a block
  tools: Remove some unnecessary #undefs.
  rv20: prevent calling ff_h263_decode_mba() with unset height/width
  tools: K&R reformatting cosmetics
  Ignore generated aviocat and ismindex tools.
  build: Automatically include architecture-specific library Makefile snippets.
  indeo5: prevent null pointer dereference on broken files
  pktdumper: Use usleep instead of sleep
  cosmetics: Remove some unnecessary block braces.
  Drop unnecessary prefix from *sink* variable and struct names.
  Add a tool for creating smooth streaming manifests
  movdec: Calculate an average bit rate for fragmented streams, too
  movenc: Write the sample rate instead of time scale in the stsd atom
  movenc: Add a separate ismv/isma (smooth streaming) muxer
  movenc: Allow the caller to decide on fragmentation
  libavformat: Add a flag for muxers that support write_packet(NULL) for flushing
  movenc: Add support for writing fragmented mov files
  ...

Conflicts:
	Changelog
	cmdutils.c
	cmdutils.h
	doc/APIchanges
	ffmpeg.c
	ffplay.c
	libavfilter/Makefile
	libavformat/Makefile
	libavformat/avformat.h
	libavformat/movenc.c
	libavformat/movenc.h
	libavformat/version.h
	tools/graph2dot.c

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

1 files changed, 4 insertions, 0 deletions

diff --git a/libavcodec/indeo5.c b/libavcodec/indeo5.c
index b1c50c2adb..8842f221cf 100644
--- a/libavcodec/indeo5.c
+++ b/libavcodec/indeo5.c
@@ -454,6 +454,10 @@ static int decode_mb_info(IVI5DecContext *ctx, IVIBandDesc *band,
     ref_mb = tile->ref_mbs;
     offs   = tile->ypos * band->pitch + tile->xpos;
 
+    if (!ref_mb &&
+        ((band->qdelta_present && band->inherit_qdelta) || band->inherit_mv))
+        return AVERROR_INVALIDDATA;
+
     /* scale factor for motion vectors */
     mv_scale = (ctx->planes[0].bands[0].mb_size >> 3) - (band->mb_size >> 3);
     mv_x = mv_y = 0;