mirror of https://git.ffmpeg.org/ffmpeg.git
avformat/mov: Add support for reading and exporting horizontal field of view
These boxes are created by the Apple Vision Pro and the iPhone 15+ when capture for the Vision Pro is enabled. Based off of the swift API: * https://developer.apple.com/documentation/coremedia/kcmformatdescriptionextension_horizontalfieldofview Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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@ -6759,6 +6759,34 @@ static int mov_read_vexu(MOVContext *c, AVIOContext *pb, MOVAtom atom)
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return 0;
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return 0;
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}
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}
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static int mov_read_hfov(MOVContext *c, AVIOContext *pb, MOVAtom atom)
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{
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AVStream *st;
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MOVStreamContext *sc;
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if (c->fc->nb_streams < 1)
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return 0;
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st = c->fc->streams[c->fc->nb_streams - 1];
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sc = st->priv_data;
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if (atom.size != 4) {
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av_log(c->fc, AV_LOG_ERROR, "Invalid size of hfov box: %"PRIu64"\n", atom.size);
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return AVERROR_INVALIDDATA;
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}
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if (!sc->stereo3d) {
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sc->stereo3d = av_stereo3d_alloc();
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if (!sc->stereo3d)
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return AVERROR(ENOMEM);
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}
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sc->stereo3d->horizontal_field_of_view = avio_rb32(pb);
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return 0;
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}
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static int mov_parse_uuid_spherical(MOVStreamContext *sc, AVIOContext *pb, size_t len)
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static int mov_parse_uuid_spherical(MOVStreamContext *sc, AVIOContext *pb, size_t len)
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{
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{
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int ret = 0;
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int ret = 0;
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@ -8878,6 +8906,7 @@ static const MOVParseTableEntry mov_default_parse_table[] = {
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{ MKTAG('s','t','3','d'), mov_read_st3d }, /* stereoscopic 3D video box */
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{ MKTAG('s','t','3','d'), mov_read_st3d }, /* stereoscopic 3D video box */
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{ MKTAG('s','v','3','d'), mov_read_sv3d }, /* spherical video box */
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{ MKTAG('s','v','3','d'), mov_read_sv3d }, /* spherical video box */
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{ MKTAG('v','e','x','u'), mov_read_vexu }, /* video extension usage */
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{ MKTAG('v','e','x','u'), mov_read_vexu }, /* video extension usage */
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{ MKTAG('h','f','o','v'), mov_read_hfov },
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{ MKTAG('d','O','p','s'), mov_read_dops },
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{ MKTAG('d','O','p','s'), mov_read_dops },
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{ MKTAG('d','m','l','p'), mov_read_dmlp },
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{ MKTAG('d','m','l','p'), mov_read_dmlp },
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{ MKTAG('S','m','D','m'), mov_read_smdm },
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{ MKTAG('S','m','D','m'), mov_read_smdm },
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