From 61390de8561af5ff7f673bcbdc8373dd606a725b Mon Sep 17 00:00:00 2001
From: wang-bin <wbsecg1@gmail.com>
Date: Tue, 25 Mar 2014 18:28:38 +0800
Subject: [PATCH] cuda: release old parser before create

---
 src/VideoDecoderCUDA.cpp | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/VideoDecoderCUDA.cpp b/src/VideoDecoderCUDA.cpp
index 62cb38724..b2b63b38d 100644
--- a/src/VideoDecoderCUDA.cpp
+++ b/src/VideoDecoderCUDA.cpp
@@ -30,6 +30,8 @@
 /*
  * TODO: update helper_cuda with 5.5
  * avc1, ccv1 => h264 + sps, pps, nal. use filter or lavcudiv
+ * http://blog.csdn.net/gavinr/article/details/7183499
+ * https://www.ffmpeg.org/ffmpeg-bitstream-filters.html
  * flush api
  * CUDA_ERROR_INVALID_VALUE "cuvidDecodePicture(p->dec, cuvidpic)"
  */
@@ -155,7 +157,14 @@ class VideoDecoderCUDAPrivate : public VideoDecoderPrivate
         return true;
     }
     bool releaseCuda() {
-        cuvidDestroyDecoder(dec);
+        if (dec) {
+            cuvidDestroyDecoder(dec);
+            dec = 0;
+        }
+        if (parser) {
+            cuvidDestroyVideoParser(parser);
+            parser = 0;
+        }
         if (stream) {
             cuStreamDestroy(stream);
             stream = 0;
@@ -218,6 +227,10 @@ class VideoDecoderCUDAPrivate : public VideoDecoderPrivate
             available = false;
             return false;
         }
+        if (parser) {
+            cuvidDestroyVideoParser(parser);
+            parser = 0;
+        }
         //lavfilter check level C
         CUVIDPARSERPARAMS parser_params;
         memset(&parser_params, 0, sizeof(CUVIDPARSERPARAMS));