Merge remote-tracking branch 'qatar/master'

* qatar/master:
  lavf: make compute_pkt_fields2() return meaningful error values
  matroskadec: set timestamps for RealAudio packets.
  intelh263dec: aspect ratio processing fix.
  intelh263dec: fix "Strict H.263 compliance"  file playback
  oss,sndio: simplify by using FFMIN.
  swscale: extract monowhite/black output from yuv2packed[12X]_c().
  swscale: de-macro'ify RGB15/16/32 input functions.
  swscale: rearrange code.
  movdec: Add support for the 'wfex' atom.
  ffmpeg.c: Add a necessary const qualifier
  riff: Fix potential memleak.
  swscale: change 48bit RGB input macros to inline functions.
  swscale: change 9/10bit YUV input macros to inline functions.
  swscale: extract gray16 output functions from yuv2packed[12X]().
  swscale: use standard clipping functions.
  swscale: merge macros that are used only once.
  swscale: fix function declarations in swscale.c.
  swscale: fix function declaration keywords in x86/swscale_template.c.

Conflicts:
	ffmpeg.c
	libavcodec/intelh263dec.c
	libswscale/swscale.c
	libswscale/x86/swscale_template.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/intelh263dec.c

@@ -67,9 +67,9 @@ int ff_intel_h263_decode_picture_header(MpegEncContext *s)
     if (format < 6) {
         s->width = h263_format[format][0];
         s->height = h263_format[format][1];
-        s->avctx->sample_aspect_ratio.num=12;s->avctx->sample_aspect_ratio.den=11;
-    }
-    else {
+        s->avctx->sample_aspect_ratio.num = 12;
+        s->avctx->sample_aspect_ratio.den = 11;
+    } else {
         format = get_bits(&s->gb, 3);
         if(format == 0 || format == 7){
             av_log(s->avctx, AV_LOG_ERROR, "Wrong Intel H263 format\n");
@@ -95,12 +95,11 @@ int ff_intel_h263_decode_picture_header(MpegEncContext *s)
         if(ar == 15){
             s->avctx->sample_aspect_ratio.num = get_bits(&s->gb, 8); // aspect ratio - width
             s->avctx->sample_aspect_ratio.den = get_bits(&s->gb, 8); // aspect ratio - height
-        }
-        else {
+        } else {
             s->avctx->sample_aspect_ratio = ff_h263_pixel_aspect[ar];
         }
-        if(s->avctx->sample_aspect_ratio.num == 0)
-            av_log(s->avctx, AV_LOG_ERROR, "Invalid aspect ratio\n");
+        if (s->avctx->sample_aspect_ratio.num == 0)
+            av_log(s->avctx, AV_LOG_ERROR, "Invalid aspect ratio.\n");
     }
 
     s->chroma_qscale= s->qscale = get_bits(&s->gb, 5);

libavformat/mov.c

@@ -513,6 +513,19 @@ static int mov_read_dac3(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     return 0;
 }
 
+static int mov_read_wfex(MOVContext *c, AVIOContext *pb, MOVAtom atom)
+{
+    AVStream *st;
+
+    if (c->fc->nb_streams < 1)
+        return 0;
+    st = c->fc->streams[c->fc->nb_streams-1];
+
+    ff_get_wav_header(pb, st->codec, atom.size);
+
+    return 0;
+}
+
 static int mov_read_pasp(MOVContext *c, AVIOContext *pb, MOVAtom atom)
 {
     const int num = avio_rb32(pb);
@@ -2261,6 +2274,7 @@ static const MOVParseTableEntry mov_default_parse_table[] = {
 { MKTAG('e','s','d','s'), mov_read_esds },
 { MKTAG('d','a','c','3'), mov_read_dac3 }, /* AC-3 info */
 { MKTAG('w','i','d','e'), mov_read_wide }, /* place holder */
+{ MKTAG('w','f','e','x'), mov_read_wfex },
 { MKTAG('c','m','o','v'), mov_read_cmov },
 { MKTAG('c','h','a','n'), mov_read_chan },
 { 0, NULL }

libavformat/riff.c

@@ -537,6 +537,7 @@ int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size)
         }
         codec->extradata_size = cbSize;
         if (cbSize > 0) {
+            av_free(codec->extradata);
             codec->extradata = av_mallocz(codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
             if (!codec->extradata)
                 return AVERROR(ENOMEM);

libswscale/utils.c

@@ -77,13 +77,17 @@ const char *swscale_license(void)
         || (x)==PIX_FMT_BGR48BE     \
         || (x)==PIX_FMT_BGR48LE     \
         || (x)==PIX_FMT_BGR24       \
-        || (x)==PIX_FMT_BGR565      \
-        || (x)==PIX_FMT_BGR555      \
+        || (x)==PIX_FMT_BGR565LE    \
+        || (x)==PIX_FMT_BGR565BE    \
+        || (x)==PIX_FMT_BGR555LE    \
+        || (x)==PIX_FMT_BGR555BE    \
         || (x)==PIX_FMT_BGR32       \
         || (x)==PIX_FMT_BGR32_1     \
         || (x)==PIX_FMT_RGB24       \
-        || (x)==PIX_FMT_RGB565      \
-        || (x)==PIX_FMT_RGB555      \
+        || (x)==PIX_FMT_RGB565LE    \
+        || (x)==PIX_FMT_RGB565BE    \
+        || (x)==PIX_FMT_RGB555LE    \
+        || (x)==PIX_FMT_RGB555BE    \
         || (x)==PIX_FMT_GRAY8       \
         || (x)==PIX_FMT_GRAY8A      \
         || (x)==PIX_FMT_YUV410P     \
@@ -137,7 +141,22 @@ int sws_isSupportedInput(enum PixelFormat pix_fmt)
         || (x)==PIX_FMT_YUVJ422P    \
         || (x)==PIX_FMT_YUVJ440P    \
         || (x)==PIX_FMT_YUVJ444P    \
-        || isAnyRGB(x)              \
+        || isRGBinBytes(x)          \
+        || isBGRinBytes(x)          \
+        || (x)==PIX_FMT_RGB565      \
+        || (x)==PIX_FMT_RGB555      \
+        || (x)==PIX_FMT_RGB444      \
+        || (x)==PIX_FMT_BGR565      \
+        || (x)==PIX_FMT_BGR555      \
+        || (x)==PIX_FMT_BGR444      \
+        || (x)==PIX_FMT_RGB8        \
+        || (x)==PIX_FMT_BGR8        \
+        || (x)==PIX_FMT_RGB4_BYTE   \
+        || (x)==PIX_FMT_BGR4_BYTE   \
+        || (x)==PIX_FMT_RGB4        \
+        || (x)==PIX_FMT_BGR4        \
+        || (x)==PIX_FMT_MONOBLACK   \
+        || (x)==PIX_FMT_MONOWHITE   \
         || (x)==PIX_FMT_NV12        \
         || (x)==PIX_FMT_NV21        \
         || (x)==PIX_FMT_GRAY16BE    \