From 2ba52a2927df71bd9d0a303a1373a85c524c0662 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Fri, 22 Nov 2024 14:15:37 +0200
Subject: [PATCH] video: Add bindings for new VideoFormat <-> DRM
 fourcc/modifier mapping functions

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1600>
---
 gstreamer-video/src/video_info_dma_drm.rs | 35 +++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/gstreamer-video/src/video_info_dma_drm.rs b/gstreamer-video/src/video_info_dma_drm.rs
index 173a7b3c6..256708644 100644
--- a/gstreamer-video/src/video_info_dma_drm.rs
+++ b/gstreamer-video/src/video_info_dma_drm.rs
@@ -56,6 +56,41 @@ pub fn dma_drm_fourcc_from_str(v: &str) -> Result<(u32, u64), glib::BoolError> {
     }
 }
 
+#[cfg(feature = "v1_26")]
+#[cfg_attr(docsrs, doc(cfg(feature = "v1_24")))]
+#[doc(alias = "gst_video_dma_drm_format_from_gst_format")]
+pub fn dma_drm_format_from_gst_format(v: VideoFormat) -> Result<(u32, u64), glib::BoolError> {
+    skip_assert_initialized!();
+    unsafe {
+        let mut modifier = mem::MaybeUninit::uninit();
+        let res =
+            ffi::gst_video_dma_drm_format_from_gst_format(v.into_glib(), modifier.as_mut_ptr());
+        if res == 0 {
+            Err(glib::bool_error!("Unsupported video format"))
+        } else {
+            Ok((res, modifier.assume_init()))
+        }
+    }
+}
+
+#[cfg(feature = "v1_26")]
+#[cfg_attr(docsrs, doc(cfg(feature = "v1_24")))]
+#[doc(alias = "gst_video_dma_drm_format_to_gst_format")]
+pub fn dma_drm_format_to_gst_format(
+    fourcc: u32,
+    modifier: u64,
+) -> Result<VideoFormat, glib::BoolError> {
+    skip_assert_initialized!();
+    unsafe {
+        let res = ffi::gst_video_dma_drm_format_to_gst_format(fourcc, modifier);
+        if res == ffi::GST_VIDEO_FORMAT_UNKNOWN {
+            Err(glib::bool_error!("Unsupported fourcc format / modifier"))
+        } else {
+            Ok(from_glib(res))
+        }
+    }
+}
+
 #[doc(alias = "GstVideoInfoDmaDrm")]
 #[derive(Clone)]
 #[repr(transparent)]