[FFmpeg-devel] [PATCH] avcodec/dca: fix sync word search error condition

[foo86]

This didn't actually check if sync word was found and always errored out
with "-err_detect explode" option enabled.
---
 libavcodec/dca_core.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/libavcodec/dca_core.c b/libavcodec/dca_core.c
index fc4fdf4..58c78f7 100644
--- a/libavcodec/dca_core.c
+++ b/libavcodec/dca_core.c
@@ -1844,9 +1844,10 @@ static int parse_optional_info(DCACoreDecoder *s)
                 }
             }
 
-            if (s->avctx->err_recognition & AV_EF_EXPLODE) {
+            if (!s->xch_pos) {
                 av_log(s->avctx, AV_LOG_ERROR, "XCH sync word not found\n");
-                return AVERROR_INVALIDDATA;
+                if (s->avctx->err_recognition & AV_EF_EXPLODE)
+                    return AVERROR_INVALIDDATA;
             }
             break;
 
@@ -1866,9 +1867,10 @@ static int parse_optional_info(DCACoreDecoder *s)
                 }
             }
 
-            if (s->avctx->err_recognition & AV_EF_EXPLODE) {
+            if (!s->x96_pos) {
                 av_log(s->avctx, AV_LOG_ERROR, "X96 sync word not found\n");
-                return AVERROR_INVALIDDATA;
+                if (s->avctx->err_recognition & AV_EF_EXPLODE)
+                    return AVERROR_INVALIDDATA;
             }
             break;
 
@@ -1891,9 +1893,10 @@ static int parse_optional_info(DCACoreDecoder *s)
                 }
             }
 
-            if (s->avctx->err_recognition & AV_EF_EXPLODE) {
+            if (!s->xxch_pos) {
                 av_log(s->avctx, AV_LOG_ERROR, "XXCH sync word not found\n");
-                return AVERROR_INVALIDDATA;
+                if (s->avctx->err_recognition & AV_EF_EXPLODE)
+                    return AVERROR_INVALIDDATA;
             }
             break;
         }
-- 
2.8.1