[FFmpeg-cvslog] avcodec/avpacket: always initialize the new packet in avpriv_packet_list_put()

[James Almer]

ffmpeg | branch: master | James Almer <jamrial at gmail.com> | Thu May  6 23:55:32 2021 -0300| [0a029906b205613c7744bcef4cdda184199dd1a9] | committer: James Almer

avcodec/avpacket: always initialize the new packet in avpriv_packet_list_put()

If a copy callback is provided by the caller, the packet passed to it
was zeroed instead of initialized with default values.

Signed-off-by: James Almer <jamrial at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0a029906b205613c7744bcef4cdda184199dd1a9
---

 libavcodec/avpacket.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libavcodec/avpacket.c b/libavcodec/avpacket.c
index e32c467586..1f20cd1e6b 100644
--- a/libavcodec/avpacket.c
+++ b/libavcodec/avpacket.c
@@ -519,13 +519,14 @@ int avpriv_packet_list_put(PacketList **packet_buffer,
                            int (*copy)(AVPacket *dst, const AVPacket *src),
                            int flags)
 {
-    PacketList *pktl = av_mallocz(sizeof(PacketList));
+    PacketList *pktl = av_malloc(sizeof(PacketList));
     int ret;
 
     if (!pktl)
         return AVERROR(ENOMEM);
 
     if (copy) {
+        get_packet_defaults(&pktl->pkt);
         ret = copy(&pktl->pkt, pkt);
         if (ret < 0) {
             av_free(pktl);
@@ -540,6 +541,8 @@ int avpriv_packet_list_put(PacketList **packet_buffer,
         av_packet_move_ref(&pktl->pkt, pkt);
     }
 
+    pktl->next = NULL;
+
     if (*packet_buffer)
         (*plast_pktl)->next = pktl;
     else