Merge remote-tracking branch 'qatar/master'

* qatar/master: (38 commits)
  alac: cosmetics: general pretty-printing and comment clean up
  alac: calculate buffer size outside the loop in allocate_buffers()
  alac: change some data types to plain int
  alac: cosmetics: rename some variables and function names
  alac: multi-channel decoding support
  alac: split element parsing into a separate function
  alac: support a read sample size of up to 32
  alac: output in planar sample format
  alac: add 32-bit decoding support
  alac: simplify channel interleaving
  alac: use AVPacket fields directly in alac_decode_frame()
  alac: fix check for valid max_samples_per_frame
  alac: use get_sbits() to read LPC coefficients instead of casting
  alac: move the current samples per frame to the ALACContext
  alac: avoid using a double-negative when checking if the frame is compressed
  alac: factor out output_size check in predictor_decompress_fir_adapt()
  alac: factor out loading of next decoded sample in LPC prediction
  alac: use index into buffer_out instead of incrementing the pointer
  alac: simplify lpc coefficient adaptation
  alac: reduce the number of local variables needed in lpc prediction
  ...

Conflicts:
	libavcodec/alac.c
	libavformat/cafdec.c
	libavformat/mov.c

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

1 files changed, 2 insertions, 39 deletions

diff --git a/libavformat/mov.c b/libavformat/mov.c
index 0acebc21f1..b4295f8948 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -597,10 +597,6 @@ static int mov_read_dec3(MOVContext *c, AVIOContext *pb, MOVAtom atom)
 static int mov_read_chan(MOVContext *c, AVIOContext *pb, MOVAtom atom)
 {
     AVStream *st;
-    uint8_t av_unused version;
-    uint32_t av_unused flags;
-    uint32_t layout_tag, bitmap, num_descr, label_mask;
-    int i;
 
     if (c->fc->nb_streams < 1)
         return 0;
@@ -609,40 +605,7 @@ static int mov_read_chan(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     if (atom.size < 16)
         return 0;
 
-    version = avio_r8(pb);
-    flags   = avio_rb24(pb);
-
-    layout_tag = avio_rb32(pb);
-    bitmap     = avio_rb32(pb);
-    num_descr  = avio_rb32(pb);
-
-    if (atom.size < 16ULL + num_descr * 20ULL)
-        return 0;
-
-    av_dlog(c->fc, "chan: size=%" PRId64 " version=%u flags=%u layout=%u bitmap=%u num_descr=%u\n",
-            atom.size, version, flags, layout_tag, bitmap, num_descr);
-
-    label_mask = 0;
-    for (i = 0; i < num_descr; i++) {
-        uint32_t label;
-        label     = avio_rb32(pb);          // mChannelLabel
-        avio_rb32(pb);                      // mChannelFlags
-        avio_rl32(pb);                      // mCoordinates[0]
-        avio_rl32(pb);                      // mCoordinates[1]
-        avio_rl32(pb);                      // mCoordinates[2]
-        if (layout_tag == 0) {
-            uint32_t mask_incr = ff_mov_get_channel_label(label);
-            if (mask_incr == 0) {
-                label_mask = 0;
-                break;
-            }
-            label_mask |= mask_incr;
-        }
-    }
-    if (layout_tag == 0)
-        st->codec->channel_layout = label_mask;
-    else
-        st->codec->channel_layout = ff_mov_get_channel_layout(layout_tag, bitmap);
+    ff_mov_read_chan(c->fc, st, atom.size - 4);
 
     return 0;
 }
@@ -2556,7 +2519,7 @@ static int mov_read_chan2(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     if (atom.size < 16)
         return 0;
     avio_skip(pb, 4);
-    ff_mov_read_chan(c->fc, atom.size - 4, c->fc->streams[0]->codec);
+    ff_mov_read_chan(c->fc,c->fc->streams[0],  atom.size - 4);
     return 0;
 }