libavcodec/jpeg2000dec.c: Handle non EOC streams

This patch allows decoding of j2k streams which do
not have an EOC marker.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

libavcodec/jpeg2000dec.c

@@ -1939,9 +1939,13 @@ static int jpeg2000_read_main_headers(Jpeg2000DecoderContext *s)
 
         len = bytestream2_get_be16(&s->g);
         if (len < 2 || bytestream2_get_bytes_left(&s->g) < len - 2) {
+            if (s->avctx->strict_std_compliance >= FF_COMPLIANCE_STRICT) {
                 av_log(s->avctx, AV_LOG_ERROR, "Invalid len %d left=%d\n", len, bytestream2_get_bytes_left(&s->g));
                 return AVERROR_INVALIDDATA;
             }
+            av_log(s->avctx, AV_LOG_WARNING, "Missing EOC Marker.\n");
+            break;
+        }
 
         switch (marker) {
         case JPEG2000_SIZ: