Merge remote-tracking branch 'qatar/master'

* qatar/master: (22 commits)
  frwu: Employ more meaningful return values.
  fraps: Use av_fast_padded_malloc() instead of av_realloc()
  mjpegdec: use av_fast_padded_malloc()
  eatqi: use av_fast_padded_malloc()
  asv1: use av_fast_padded_malloc()
  avcodec: Add av_fast_padded_malloc().
  swscale: enable dithering in MMX functions.
  swscale: make rgb24 function macros slightly smaller.
  avcodec.h: Remove some disabled cruft.
  swscale: remove obsolete comment.
  swscale-test: Drop unused argc and argv arguments from main().
  zmbv: Employ more meaningful return values.
  zmbvenc: Employ more meaningful return values.
  vc1: prevent null pointer dereference on broken files
  zmbv: check av_realloc() return values and avoid memleaks on ENOMEM
  truespeech: align buffer
  ac3: Do not read past the end of ff_ac3_band_start_tab.
  dv: Fix small stack overread related to CVE-2011-3929 and CVE-2011-3936.
  dv: Fix null pointer dereference due to ach=0
  dv: check stype
  ...

Conflicts:
	doc/APIchanges
	libavcodec/asv1.c
	libavcodec/avcodec.h
	libavcodec/eatqi.c
	libavcodec/fraps.c
	libavcodec/frwu.c
	libavcodec/zmbv.c
	libavformat/dv.c
	libswscale/swscale.c

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

libavformat/dv.c

@@ -138,6 +138,7 @@ static int dv_extract_audio(uint8_t* frame, uint8_t* ppcm[4],
         pcm = ppcm[ipcm++];
         if (!pcm)
             break;
+
         /* for each DIF segment */
         for (i = 0; i < sys->difseg_size; i++) {
             frame += 6 * 80; /* skip DIF segment header */
@@ -186,8 +187,6 @@ static int dv_extract_audio(uint8_t* frame, uint8_t* ppcm[4],
                 frame += 16 * 80; /* 15 Video DIFs + 1 Audio DIF */
             }
         }
-
-        /* next stereo channel (50Mbps and 100Mbps only) */
     }
 
     return size;