From 35468344fca7a4005c2d45a0abfda77120efcd9d Mon Sep 17 00:00:00 2001
From: dnewman-gpsw <dnewman-gpsw@github.com>
Date: Thu, 20 Aug 2020 09:58:41 -0700
Subject: [PATCH] fixed a memory leak when decoding compressed GPMF streams

---
 GPMF_parser.c    | 15 ++++++++++++++-
 GPMF_parser.h    |  3 ++-
 demo/GPMF_demo.c | 13 +++----------
 3 files changed, 19 insertions(+), 12 deletions(-)

diff --git a/GPMF_parser.c b/GPMF_parser.c
index f909a6a..5c004ca 100644
--- a/GPMF_parser.c
+++ b/GPMF_parser.c
@@ -2,7 +2,7 @@
  * 
  *  @brief GPMF Parser library
  *
- *  @version 1.7.0
+ *  @version 2.0.0
  * 
  *  (C) Copyright 2017-2020 GoPro Inc (http://gopro.com/).
  *	
@@ -2139,3 +2139,16 @@ GPMF_ERR GPMF_FreeCodebook(size_t cbhandle)
 	return GPMF_ERROR_MEMORY;
 }
 
+GPMF_ERR GPMF_Free(GPMF_stream* ms)
+{
+	if (ms)
+	{
+		if (ms->cbhandle != 0)
+		{
+			GPMF_FreeCodebook(ms->cbhandle);
+			ms->cbhandle = 0;
+		}
+		return GPMF_OK;
+	}
+	return GPMF_ERROR_MEMORY;
+}
\ No newline at end of file
diff --git a/GPMF_parser.h b/GPMF_parser.h
index e4874ff..582bf85 100644
--- a/GPMF_parser.h
+++ b/GPMF_parser.h
@@ -2,7 +2,7 @@
  * 
  *  @brief GPMF Parser library include
  * 
- *  @version 1.6.1
+ *  @version 2.0.0
  * 
  *  (C) Copyright 2017-2020 GoPro Inc (http://gopro.com/).
  *
@@ -116,6 +116,7 @@ GPMF_ERR GPMF_AllocCodebook(size_t *cbhandle);
 GPMF_ERR GPMF_FreeCodebook(size_t cbhandle);
 GPMF_ERR GPMF_DecompressedSize(GPMF_stream *gs, uint32_t *neededsize);
 GPMF_ERR GPMF_Decompress(GPMF_stream *gs, uint32_t *localbuf, uint32_t localbuf_size);
+GPMF_ERR GPMF_Free(GPMF_stream* gs); 
 
 
 #ifdef __cplusplus
diff --git a/demo/GPMF_demo.c b/demo/GPMF_demo.c
index 56431ad..8c75fd0 100644
--- a/demo/GPMF_demo.c
+++ b/demo/GPMF_demo.c
@@ -159,15 +159,6 @@ int main(int argc, char* argv[])
 				if (show_all_payloads || index == 0)
 				{
 					printf("GPMF STRUCTURE:\n");
-					payloadsize = GetPayloadSize(mp4, 0);
-					payload = GetPayload(mp4, payload, 0);
-					if (payload == NULL)
-						goto cleanup;
-
-					ret = GPMF_Init(ms, payload, payloadsize);
-					if (ret != GPMF_OK)
-						goto cleanup;
-
 					// Output (printf) all the contained GPMF data within this payload
 					ret = GPMF_Validate(ms, GPMF_RECURSE_LEVELS); // optional
 					if (GPMF_OK != ret)
@@ -186,7 +177,6 @@ int main(int argc, char* argv[])
 				}
 			}
 
-
 			if (show_payload_index)
 			{
 				if (show_all_payloads || index == 0)
@@ -375,6 +365,8 @@ int main(int argc, char* argv[])
 					GPMF_ResetState(ms);
 				}
 			}
+
+			GPMF_Free(ms);
 		}
 
 		if (show_computed_samplerates)
@@ -394,6 +386,7 @@ int main(int argc, char* argv[])
 		}
 
 	cleanup:
+		if (ms) GPMF_Free(ms);
 		if (payload) FreePayload(payload); payload = NULL;
 		CloseSource(mp4);
 	}