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avformat/movenc: add support for writting hfov boxes 

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2024-06-21 15:20:37 -03:00
parent 6a428876fc
commit aa8230c7ba
1 changed files with 13 additions and 0 deletions
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13
libavformat/movenc.c
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@ -2195,6 +2195,17 @@ static inline int64_t rescale_rational(AVRational q, int b)
return av_rescale(q.num, b, q.den);
}
static void mov_write_hfov_tag(AVFormatContext *s, AVIOContext *pb,
const AVStereo3D *stereo3d)
{
if (!stereo3d->horizontal_field_of_view.num)
return;
avio_wb32(pb, 12); /* size */
ffio_wfourcc(pb, "hfov");
avio_wb32(pb, rescale_rational(stereo3d->horizontal_field_of_view, 1000));
}
static void mov_write_vexu_proj_tag(AVFormatContext *s, AVIOContext *pb,
const AVSphericalMapping *spherical_mapping)
{
@ -2770,6 +2781,8 @@ static int mov_write_video_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContex
if (stereo3d || spherical_mapping)
mov_write_vexu_tag(s, pb, stereo3d, spherical_mapping);
if (stereo3d)
mov_write_hfov_tag(s, pb, stereo3d);
}
if (track->mode == MODE_MP4) {