From c766f164033ce0900ecd9adb6dedd1969fb176ab Mon Sep 17 00:00:00 2001
From: Guillaume Desmottes <guillaume.desmottes@collabora.com>
Date: Thu, 23 May 2019 15:07:02 +0200
Subject: [PATCH] video: add GST_BUFFER_POOL_OPTION_VIDEO_*_META constants

---
 gstreamer-video/Cargo.toml               |  1 +
 gstreamer-video/src/lib.rs               |  7 ++++++
 gstreamer-video/src/video_buffer_pool.rs | 32 ++++++++++++++++++++++++
 3 files changed, 40 insertions(+)
 create mode 100644 gstreamer-video/src/video_buffer_pool.rs

diff --git a/gstreamer-video/Cargo.toml b/gstreamer-video/Cargo.toml
index 03b92dc93..01d2d9f84 100644
--- a/gstreamer-video/Cargo.toml
+++ b/gstreamer-video/Cargo.toml
@@ -23,6 +23,7 @@ gstreamer-video-sys = { git = "https://gitlab.freedesktop.org/gstreamer/gstreame
 glib = { git = "https://github.com/gtk-rs/glib" }
 gstreamer = { path = "../gstreamer" }
 gstreamer-base = { path = "../gstreamer-base" }
+lazy_static = "1.0"
 
 [build-dependencies.rustdoc-stripper]
 version = "0.1"
diff --git a/gstreamer-video/src/lib.rs b/gstreamer-video/src/lib.rs
index fc1e5be8b..0feada17a 100644
--- a/gstreamer-video/src/lib.rs
+++ b/gstreamer-video/src/lib.rs
@@ -8,6 +8,8 @@
 
 #[macro_use]
 extern crate bitflags;
+#[macro_use]
+extern crate lazy_static;
 extern crate libc;
 
 #[macro_use]
@@ -70,6 +72,11 @@ pub use video_time_code::{ValidVideoTimeCode, VideoTimeCode, VideoTimeCodeMeta};
 mod video_time_code_interval;
 #[cfg(any(feature = "v1_12", feature = "dox"))]
 pub use video_time_code_interval::VideoTimeCodeInterval;
+mod video_buffer_pool;
+pub use video_buffer_pool::{
+    BUFFER_POOL_OPTION_VIDEO_AFFINE_TRANSFORMATION_META, BUFFER_POOL_OPTION_VIDEO_ALIGNMENT,
+    BUFFER_POOL_OPTION_VIDEO_GL_TEXTURE_UPLOAD_META, BUFFER_POOL_OPTION_VIDEO_META,
+};
 
 mod video_codec_frame;
 mod video_decoder;
diff --git a/gstreamer-video/src/video_buffer_pool.rs b/gstreamer-video/src/video_buffer_pool.rs
new file mode 100644
index 000000000..6f67e59de
--- /dev/null
+++ b/gstreamer-video/src/video_buffer_pool.rs
@@ -0,0 +1,32 @@
+// Copyright (C) 2019 Guillaume Desmottes <guillaume.desmottes@collabora.com>
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use std::ffi::CStr;
+
+lazy_static! {
+    pub static ref BUFFER_POOL_OPTION_VIDEO_AFFINE_TRANSFORMATION_META: &'static str = unsafe {
+        CStr::from_ptr(gst_video_sys::GST_BUFFER_POOL_OPTION_VIDEO_AFFINE_TRANSFORMATION_META)
+            .to_str()
+            .unwrap()
+    };
+    pub static ref BUFFER_POOL_OPTION_VIDEO_ALIGNMENT: &'static str = unsafe {
+        CStr::from_ptr(gst_video_sys::GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT)
+            .to_str()
+            .unwrap()
+    };
+    pub static ref BUFFER_POOL_OPTION_VIDEO_GL_TEXTURE_UPLOAD_META: &'static str = unsafe {
+        CStr::from_ptr(gst_video_sys::GST_BUFFER_POOL_OPTION_VIDEO_GL_TEXTURE_UPLOAD_META)
+            .to_str()
+            .unwrap()
+    };
+    pub static ref BUFFER_POOL_OPTION_VIDEO_META: &'static str = unsafe {
+        CStr::from_ptr(gst_video_sys::GST_BUFFER_POOL_OPTION_VIDEO_META)
+            .to_str()
+            .unwrap()
+    };
+}