> On Apr 4, 2015, at 08:47, wm4 <nfx...@googlemail.com> wrote: > > On Sat, 4 Apr 2015 05:31:22 -0500 > Rodger Combs <rodger.co...@gmail.com <mailto:rodger.co...@gmail.com>> wrote: > >> --- >> libavformat/assenc.c | 28 ++++++++++++++++++++++++++-- >> 1 file changed, 26 insertions(+), 2 deletions(-) >> >> diff --git a/libavformat/assenc.c b/libavformat/assenc.c >> index 3fb9384..5222616 100644 >> --- a/libavformat/assenc.c >> +++ b/libavformat/assenc.c >> @@ -40,6 +40,8 @@ typedef struct ASSContext { >> int cache_size; >> int ssa_mode; >> int ignore_readorder; >> + uint8_t *trailer; >> + size_t trailer_size; >> } ASSContext; >> >> static int write_header(AVFormatContext *s) >> @@ -55,8 +57,23 @@ static int write_header(AVFormatContext *s) >> ass->write_ts = avctx->codec_id == AV_CODEC_ID_ASS; >> avpriv_set_pts_info(s->streams[0], 64, 1, 100); >> if (avctx->extradata_size > 0) { >> - avio_write(s->pb, avctx->extradata, avctx->extradata_size); >> - if (avctx->extradata[avctx->extradata_size - 1] != '\n') >> + size_t header_size = avctx->extradata_size; >> + uint8_t *trailer = strstr(avctx->extradata, "\n[Events]"); >> + >> + if (trailer) >> + trailer = strstr(trailer, "Format:"); >> + if (trailer) >> + trailer = strstr(trailer, "\n"); >> + >> + if (trailer++) { >> + header_size = (trailer - avctx->extradata); >> + ass->trailer_size = avctx->extradata_size - header_size; >> + if (ass->trailer_size) >> + ass->trailer = trailer; >> + } >> + >> + avio_write(s->pb, avctx->extradata, header_size); >> + if (avctx->extradata[header_size - 1] != '\n') >> avio_write(s->pb, "\r\n", 2); >> ass->ssa_mode = !strstr(avctx->extradata, "\n[V4+ Styles]"); >> if (!strstr(avctx->extradata, "\n[Events]")) >> @@ -192,7 +209,14 @@ static int write_packet(AVFormatContext *s, AVPacket >> *pkt) >> >> static int write_trailer(AVFormatContext *s) >> { >> + ASSContext *ass = s->priv_data; >> + >> purge_dialogues(s, 1); >> + >> + if (ass->trailer) { >> + avio_write(s->pb, ass->trailer, ass->trailer_size); >> + } >> + >> return 0; >> } >> > > What extra sections are these? Fonts? > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org <mailto:ffmpeg-devel@ffmpeg.org> > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel > <http://ffmpeg.org/mailman/listinfo/ffmpeg-devel> "Aegisub Extra Data". Generally it's script stuff.
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