From: Zhao Zhili <zhiliz...@tencent.com>

---
v3: when target API <= 24 ==> when target API < 24
v2: add comments

 libavcodec/mediacodecdec.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/libavcodec/mediacodecdec.c b/libavcodec/mediacodecdec.c
index 11f655a9aa..21464900d1 100644
--- a/libavcodec/mediacodecdec.c
+++ b/libavcodec/mediacodecdec.c
@@ -415,7 +415,13 @@ static av_cold int mediacodec_decode_init(AVCodecContext 
*avctx)
            s->ctx->codec_name, ret);
 
     sdk_int = ff_Build_SDK_INT(avctx);
-    if (sdk_int <= 23 &&
+    /* ff_Build_SDK_INT can fail when target API < 24 and JVM isn't available.
+     * If we don't check sdk_int > 0, the workaround might be enabled by
+     * mistake.
+     * JVM is required to make the workaround works reliably. On the other 
hand,
+     * missing a workaround should not be a serious issue, we do as best we 
can.
+     */
+    if (sdk_int > 0 && sdk_int <= 23 &&
         strcmp(s->ctx->codec_name, "OMX.amlogic.mpeg2.decoder.awesome") == 0) {
         av_log(avctx, AV_LOG_INFO, "Enabling workaround for %s on API=%d\n",
                s->ctx->codec_name, sdk_int);
-- 
2.25.1

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