[FFmpeg-cvslog] avformat/segafilmenc: Add deinit function

[Andreas Rheinhardt]

ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at gmail.com> | Tue Jan 14 04:13:36 2020 +0100| [da304e78b5175cb45b06116006e1901cef077ffd] | committer: Michael Niedermayer

avformat/segafilmenc: Add deinit function

Prevents memleaks when the trailer is never written or when shifting the
data fails when writing the trailer.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=da304e78b5175cb45b06116006e1901cef077ffd
---

 libavformat/segafilmenc.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/libavformat/segafilmenc.c b/libavformat/segafilmenc.c
index 7778609e9a..93c482ef7d 100644
--- a/libavformat/segafilmenc.c
+++ b/libavformat/segafilmenc.c
@@ -360,10 +360,23 @@ static int film_write_header(AVFormatContext *format_context)
         packet = packet->next;
         av_freep(&prev);
     }
+    film->start = film->last = NULL;
 
     return 0;
 }
 
+static void film_deinit(AVFormatContext *format_context)
+{
+    FILMOutputContext *film = format_context->priv_data;
+    FILMPacket *packet = film->start;
+    while (packet != NULL) {
+        FILMPacket *next = packet->next;
+        av_free(packet);
+        packet = next;
+    }
+    film->start = film->last = NULL;
+}
+
 AVOutputFormat ff_segafilm_muxer = {
     .name           = "film_cpk",
     .long_name      = NULL_IF_CONFIG_SMALL("Sega FILM / CPK"),
@@ -374,4 +387,5 @@ AVOutputFormat ff_segafilm_muxer = {
     .init           = film_init,
     .write_trailer  = film_write_header,
     .write_packet   = film_write_packet,
+    .deinit         = film_deinit,
 };