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[FFmpeg-devel,11/11] avformat/movenc: add support for writting hfov boxes

Message ID 20240703212648.48483-11-jamrial@gmail.com
State New
Headers show
Series [FFmpeg-devel,01/11] avformat/mov: add support for lhvC box parsing | expand

Checks

Context Check Description
yinshiyou/make_loongarch64 success Make finished
yinshiyou/make_fate_loongarch64 fail Make fate failed
andriy/make_x86 success Make finished
andriy/make_fate_x86 success Make fate finished

Commit Message

James Almer July 3, 2024, 9:26 p.m. UTC 
Signed-off-by: James Almer <jamrial@gmail.com>
---
 libavformat/movenc.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)
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Patch

diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 500ea25731..5f4c1cb6ea 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -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) {