Improve mov atom parsing debug message, print parent atom and size in decimal

Originally committed as revision 23764 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/mov.c

@@ -266,8 +266,8 @@ static int mov_read_default(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
             a.type = get_le32(pb);
         }
         total_size += 8;
-        dprintf(c->fc, "type: %08x  %.4s  sz: %"PRIx64"  %"PRIx64"   %"PRIx64"\n",
-                a.type, (char*)&a.type, a.size, atom.size, total_size);
+        dprintf(c->fc, "type: %08x '%.4s' parent:'%.4s' sz: %"PRId64" %"PRId64" %"PRId64"\n",
+                a.type, (char*)&a.type, (char*)&atom.type, a.size, total_size, atom.size);
         if (a.size == 1) { /* 64 bit extended size */
             a.size = get_be64(pb) - 8;
             total_size += 8;
@@ -960,7 +960,7 @@ static int mov_read_stsd(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
         //Parsing Sample description table
         enum CodecID id;
         int dref_id = 1;
-        MOVAtom a = { 0 };
+        MOVAtom a = { AV_RL32("stsd") };
         int64_t start_pos = url_ftell(pb);
         int size = get_be32(pb); /* size */
         uint32_t format = get_le32(pb); /* data format */
@@ -2366,7 +2366,7 @@ static int mov_read_header(AVFormatContext *s, AVFormatParameters *ap)
     MOVContext *mov = s->priv_data;
     ByteIOContext *pb = s->pb;
     int err;
-    MOVAtom atom = { 0 };
+    MOVAtom atom = { AV_RL32("root") };
 
     mov->fc = s;
     /* .mov and .mp4 aren't streamable anyway (only progressive download if moov is before mdat) */
@@ -2430,7 +2430,7 @@ static int mov_read_packet(AVFormatContext *s, AVPacket *pkt)
     if (!sample) {
         mov->found_mdat = 0;
         if (!url_is_streamed(s->pb) ||
-            mov_read_default(mov, s->pb, (MOVAtom){ 0, INT64_MAX }) < 0 ||
+            mov_read_default(mov, s->pb, (MOVAtom){ AV_RL32("root"), INT64_MAX }) < 0 ||
             url_feof(s->pb))
             return AVERROR_EOF;
         dprintf(s, "read fragments, offset 0x%llx\n", url_ftell(s->pb));