diff options
| -rw-r--r-- | libavformat/avienc.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/libavformat/avienc.c b/libavformat/avienc.c index 95e4e7e0bc..9f80576588 100644 --- a/libavformat/avienc.c +++ b/libavformat/avienc.c @@ -154,6 +154,7 @@ static int avi_write_header(AVFormatContext *s) AVCodecContext *stream, *video_enc; int64_t list1, list2, strh, strf; AVDictionaryEntry *t = NULL; + int padding; if (s->nb_streams > AVI_MAX_STREAM_COUNT) { av_log(s, AV_LOG_ERROR, "AVI does not support >%d streams\n", @@ -397,11 +398,18 @@ static int avi_write_header(AVFormatContext *s) ff_riff_write_info(s); + + padding = s->metadata_header_padding; + if (padding < 0) + padding = 1016; + /* some padding for easier tag editing */ + if (padding) { list2 = ff_start_tag(pb, "JUNK"); - for (i = 0; i < 1016; i += 4) + for (i = padding; i > 0; i -= 4) avio_wl32(pb, 0); ff_end_tag(pb, list2); + } avi->movi_list = ff_start_tag(pb, "LIST"); ffio_wfourcc(pb, "movi"); |