X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fwvdec.c;h=649791d1511f073500288bf0698bb164d1fc2a61;hb=d3807467b2587ea720f32933d44b9dac5ecda66b;hp=82526563ec18aec7291e8081ec22650359abe787;hpb=706d2c66e8e59cfda32e57713bc37e5558a25815;p=ffmpeg

diff --git a/libavformat/wvdec.c b/libavformat/wvdec.c
index 82526563ec1..649791d1511 100644
--- a/libavformat/wvdec.c
+++ b/libavformat/wvdec.c
@@ -40,6 +40,7 @@ enum WV_FLAGS {
     WV_HBAL   = 0x0400,
     WV_MCINIT = 0x0800,
     WV_MCEND  = 0x1000,
+    WV_DSD    = 0x80000000,
 };
 
 static const int wv_rates[16] = {
@@ -59,7 +60,7 @@ typedef struct WVContext {
     int64_t apetag_start;
 } WVContext;
 
-static int wv_probe(AVProbeData *p)
+static int wv_probe(const AVProbeData *p)
 {
     /* check file header */
     if (p->buf_size <= 32)
@@ -97,6 +98,11 @@ static int wv_read_block_header(AVFormatContext *ctx, AVIOContext *pb)
         return ret;
     }
 
+    if (wc->header.flags & WV_DSD) {
+        avpriv_report_missing_feature(ctx, "WV DSD");
+        return AVERROR_PATCHWELCOME;
+    }
+
     if (wc->header.version < 0x402 || wc->header.version > 0x410) {
         avpriv_report_missing_feature(ctx, "WV version 0x%03X",
                                       wc->header.version);
@@ -153,11 +159,18 @@ static int wv_read_block_header(AVFormatContext *ctx, AVIOContext *pb)
                 case 3:
                     chmask = avio_rl32(pb);
                     break;
-                case 5:
+                case 4:
                     avio_skip(pb, 1);
                     chan  |= (avio_r8(pb) & 0xF) << 8;
+                    chan  += 1;
                     chmask = avio_rl24(pb);
                     break;
+                case 5:
+                    avio_skip(pb, 1);
+                    chan  |= (avio_r8(pb) & 0xF) << 8;
+                    chan  += 1;
+                    chmask = avio_rl32(pb);
+                    break;
                 default:
                     av_log(ctx, AV_LOG_ERROR,
                            "Invalid channel info size %d\n", size);