[FFmpeg-devel] patch for failing on WavPack DSD files

[David Bryant]

Hi,

Was made aware of this problem on Kodi:

https://github.com/xbmc/xbmc/issues/14771

I'm going to try to add full WavPack DSD support, but thought in the meantime 
it would be a good idea to detect and error out early.

Thanks!

David



>From c86aacdf98c3d34a3f8d63233e01c4a3ab55577e Mon Sep 17 00:00:00 2001
From: David Bryant <da...@wavpack.com>
Date: Tue, 20 Nov 2018 21:00:47 -0800
Subject: [PATCH] detect and error out on WavPack DSD files (which are not
 currently supported)

---
 libavformat/wvdec.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libavformat/wvdec.c b/libavformat/wvdec.c
index 8252656..2060523 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] = {
@@ -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);
-- 
1.9.1


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