From 3553b815f66cb42f79706d6be5c11c0b13d9ac2e Mon Sep 17 00:00:00 2001
From: James Almer <jamrial@gmail.com>
Date: Thu, 9 Apr 2015 03:56:58 -0300
Subject: [PATCH] avcodec/libdcadec: honor AVCodecContext bitexact flag

Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: James Almer <jamrial@gmail.com>
---
 libavcodec/libdcadec.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/libavcodec/libdcadec.c b/libavcodec/libdcadec.c
index 3ac4bcbe92..9ea61fa872 100644
--- a/libavcodec/libdcadec.c
+++ b/libavcodec/libdcadec.c
@@ -167,8 +167,13 @@ static av_cold int dcadec_close(AVCodecContext *avctx)
 static av_cold int dcadec_init(AVCodecContext *avctx)
 {
     DCADecContext *s = avctx->priv_data;
+    int flags = 0;
 
-    s->ctx = dcadec_context_create(0);
+    /* Affects only lossy DTS profiles. DTS-HD MA is always bitexact */
+    if (avctx->flags & CODEC_FLAG_BITEXACT)
+        flags |= DCADEC_FLAG_CORE_BIT_EXACT;
+
+    s->ctx = dcadec_context_create(flags);
     if (!s->ctx)
         return AVERROR(ENOMEM);