[FFmpeg-devel] [PATCH] avformat/movenc: free eac3 private data only when closing the stream

[James Almer]

This makes sure the data is available when writing the moov atom during the
second pass triggered by the faststart movflag.

Fixes ticket #7780

Signed-off-by: James Almer <jamrial at gmail.com>
---
This is why errors should always be propagated, or at least a warning printed
even if they are ignored.

 libavformat/movenc.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 8969d5b170..26cb2e6ea1 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -552,8 +552,7 @@ static int mov_write_eac3_tag(AVIOContext *pb, MOVTrack *track)
     size = 2 + ((34 * (info->num_ind_sub + 1) + 7) >> 3);
     buf = av_malloc(size);
     if (!buf) {
-        size = AVERROR(ENOMEM);
-        goto end;
+        return AVERROR(ENOMEM);
     }
 
     init_put_bits(&pbc, buf, size);
@@ -584,10 +583,6 @@ static int mov_write_eac3_tag(AVIOContext *pb, MOVTrack *track)
 
     av_free(buf);
 
-end:
-    av_packet_unref(&info->pkt);
-    av_freep(&track->eac3_priv);
-
     return size;
 }
 
@@ -5973,6 +5968,11 @@ static void mov_free(AVFormatContext *s)
         av_freep(&mov->tracks[i].frag_info);
         av_packet_unref(&mov->tracks[i].cover_image);
 
+        if (mov->tracks[i].eac3_priv) {
+            struct eac3_info *info = mov->tracks[i].eac3_priv;
+            av_packet_unref(&info->pkt);
+            av_freep(&mov->tracks[i].eac3_priv);
+        }
         if (mov->tracks[i].vos_len)
             av_freep(&mov->tracks[i].vos_data);
 
-- 
2.21.0