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video: Simplify VideoMeta::add_full()

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The n_planes value can be infered from the offset and stride slices size, which
both need to match.

Fixes #224
This commit is contained in:
Philippe Normand 2019-11-17 12:55:04 +00:00 committed by GStreamer Merge Bot
parent dc7937a8d4
commit 80e01dbe3c
1 changed files with 42 additions and 5 deletions
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47
gstreamer-video/src/video_meta.rs
View file

@ -42,22 +42,21 @@ impl VideoMeta {
}
}
#[allow(clippy::too_many_arguments)]
pub fn add_full<'a>(
buffer: &'a mut gst::BufferRef,
flags: ::VideoFrameFlags,
format: ::VideoFormat,
width: u32,
height: u32,
n_planes: u32,
offset: &[usize; 4],
stride: &[i32; 4],
offset: &[usize],
stride: &[i32],
) -> gst::MetaRefMut<'a, Self, gst::meta::Standalone> {
let n_planes = offset.len() as u32;
let info = ::VideoInfo::new(format, width, height)
.offset(offset)
.stride(stride)
.build()
.unwrap();
.expect("Unable to build VideoInfo for given format, offsets and strides");
assert!(buffer.get_size() >= info.size());
unsafe {
@ -277,4 +276,42 @@ mod tests {
assert_eq!(meta.get_stride(), &[320 * 4]);
}
}
#[test]
fn test_add_full_get_meta() {
gst::init().unwrap();
let mut buffer = gst::Buffer::with_size(320 * 240 * 4).unwrap();
{
let meta = VideoMeta::add_full(
buffer.get_mut().unwrap(),
::VideoFrameFlags::NONE,
::VideoFormat::Argb,
320,
240,
&[0],
&[320 * 4],
);
assert_eq!(meta.get_id(), 0);
assert_eq!(meta.get_flags(), ::VideoFrameFlags::NONE);
assert_eq!(meta.get_format(), ::VideoFormat::Argb);
assert_eq!(meta.get_width(), 320);
assert_eq!(meta.get_height(), 240);
assert_eq!(meta.get_n_planes(), 1);
assert_eq!(meta.get_offset(), &[0]);
assert_eq!(meta.get_stride(), &[320 * 4]);
}
{
let meta = buffer.get_meta::<VideoMeta>().unwrap();
assert_eq!(meta.get_id(), 0);
assert_eq!(meta.get_flags(), ::VideoFrameFlags::NONE);
assert_eq!(meta.get_format(), ::VideoFormat::Argb);
assert_eq!(meta.get_width(), 320);
assert_eq!(meta.get_height(), 240);
assert_eq!(meta.get_n_planes(), 1);
assert_eq!(meta.get_offset(), &[0]);
assert_eq!(meta.get_stride(), &[320 * 4]);
}
}
}