diff options
| author | Gyan Doshi <ffmpeg@gyani.pro> | 2018-06-21 11:33:00 +0530 |
|---|---|---|
| committer | Gyan Doshi <ffmpeg@gyani.pro> | 2018-06-21 11:33:00 +0530 |
| commit | deb9a04d54045c8021816cfe019bf2bba0e9595d (patch) | |
| tree | 687b920fbaccd6a3f739f60d170c06f698c5d5fc /libavformat/movenc.c | |
| parent | 649d7ca47780523673bbfe43407b9cb71c4ad811 (diff) | |
avformat/movenc: allow hdlr name field to be empty
Both QTFF and the ISOBMFF standards allow it.
Fixes #7262
Diffstat (limited to 'libavformat/movenc.c')
| -rw-r--r-- | libavformat/movenc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavformat/movenc.c b/libavformat/movenc.c index 3661d24f4f..e2c5613f98 100644 --- a/libavformat/movenc.c +++ b/libavformat/movenc.c @@ -101,6 +101,7 @@ static const AVOption options[] = { { "write_prft", "Write producer reference time box with specified time source", offsetof(MOVMuxContext, write_prft), AV_OPT_TYPE_INT, {.i64 = MOV_PRFT_NONE}, 0, MOV_PRFT_NB-1, AV_OPT_FLAG_ENCODING_PARAM, "prft"}, { "wallclock", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = MOV_PRFT_SRC_WALLCLOCK}, 0, 0, AV_OPT_FLAG_ENCODING_PARAM, "prft"}, { "pts", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = MOV_PRFT_SRC_PTS}, 0, 0, AV_OPT_FLAG_ENCODING_PARAM, "prft"}, + { "empty_hdlr_name", "write zero-length name string in hdlr atoms within mdia and minf atoms", offsetof(MOVMuxContext, empty_hdlr_name), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM}, { NULL }, }; @@ -2551,6 +2552,7 @@ static int is_clcp_track(MOVTrack *track) static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track) { + MOVMuxContext *mov = s->priv_data; const char *hdlr, *descr = NULL, *hdlr_type = NULL; int64_t pos = avio_tell(pb); @@ -2605,6 +2607,9 @@ static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *tra } } + if (mov->empty_hdlr_name) /* expressly allowed by QTFF and not prohibited in ISO 14496-12 8.4.3.3 */ + descr = ""; + avio_wb32(pb, 0); /* size */ ffio_wfourcc(pb, "hdlr"); avio_wb32(pb, 0); /* Version & flags */ |