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Add VideoInfo and related bindings

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This commit is contained in:
Sebastian Dröge 2017-08-11 12:29:23 +03:00
parent 3a50ca61e3
commit 830f0b7d83
6 changed files with 1177 additions and 32 deletions
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7
Gir_GstVideo.toml
View file

@ -21,6 +21,12 @@ generate = [
"GstVideo.VideoInterlaceMode",
"GstVideo.VideoFlags",
"GstVideo.VideoChromaSite",
"GstVideo.VideoColorMatrix",
"GstVideo.VideoTransferFunction",
"GstVideo.VideoColorPrimaries",
"GstVideo.VideoMultiviewMode",
"GstVideo.VideoMultiviewFlags",
"GstVideo.VideoFieldOrder",
]
manual = [
@ -29,6 +35,7 @@ manual = [
"GstVideo.VideoInfo",
"GstVideo.VideoFormatInfo",
"GstVideo.VideoColorimetry",
"GstVideo.VideoColorRange",
]
[[object]]

418
gstreamer-video/src/auto/enums.rs
View file

@ -4,11 +4,228 @@
use ffi;
use glib::Type;
use glib::StaticType;
use glib::value::{FromValue, FromValueOptional, SetValue, Value};
use glib::value::{Value, SetValue, FromValue, FromValueOptional};
use gobject_ffi;
use glib::translate::*;
use std;
#[derive(Clone, Copy, Debug, Eq, PartialEq, Hash)]
pub enum VideoColorMatrix {
Unknown,
Rgb,
Fcc,
Bt709,
Bt601,
Smpte240m,
Bt2020,
#[doc(hidden)]
__Unknown(i32),
}
#[doc(hidden)]
impl ToGlib for VideoColorMatrix {
type GlibType = ffi::GstVideoColorMatrix;
fn to_glib(&self) -> ffi::GstVideoColorMatrix {
match *self {
VideoColorMatrix::Unknown => ffi::GST_VIDEO_COLOR_MATRIX_UNKNOWN,
VideoColorMatrix::Rgb => ffi::GST_VIDEO_COLOR_MATRIX_RGB,
VideoColorMatrix::Fcc => ffi::GST_VIDEO_COLOR_MATRIX_FCC,
VideoColorMatrix::Bt709 => ffi::GST_VIDEO_COLOR_MATRIX_BT709,
VideoColorMatrix::Bt601 => ffi::GST_VIDEO_COLOR_MATRIX_BT601,
VideoColorMatrix::Smpte240m => ffi::GST_VIDEO_COLOR_MATRIX_SMPTE240M,
VideoColorMatrix::Bt2020 => ffi::GST_VIDEO_COLOR_MATRIX_BT2020,
VideoColorMatrix::__Unknown(value) => unsafe{std::mem::transmute(value)}
}
}
}
#[doc(hidden)]
impl FromGlib<ffi::GstVideoColorMatrix> for VideoColorMatrix {
fn from_glib(value: ffi::GstVideoColorMatrix) -> Self {
skip_assert_initialized!();
match value as i32 {
0 => VideoColorMatrix::Unknown,
1 => VideoColorMatrix::Rgb,
2 => VideoColorMatrix::Fcc,
3 => VideoColorMatrix::Bt709,
4 => VideoColorMatrix::Bt601,
5 => VideoColorMatrix::Smpte240m,
6 => VideoColorMatrix::Bt2020,
value => VideoColorMatrix::__Unknown(value),
}
}
}
impl StaticType for VideoColorMatrix {
fn static_type() -> Type {
unsafe { from_glib(ffi::gst_video_color_matrix_get_type()) }
}
}
impl<'a> FromValueOptional<'a> for VideoColorMatrix {
unsafe fn from_value_optional(value: &Value) -> Option<Self> {
Some(FromValue::from_value(value))
}
}
impl<'a> FromValue<'a> for VideoColorMatrix {
unsafe fn from_value(value: &Value) -> Self {
from_glib(std::mem::transmute::<i32, ffi::GstVideoColorMatrix>(gobject_ffi::g_value_get_enum(value.to_glib_none().0)))
}
}
impl SetValue for VideoColorMatrix {
unsafe fn set_value(value: &mut Value, this: &Self) {
gobject_ffi::g_value_set_enum(value.to_glib_none_mut().0, this.to_glib() as i32)
}
}
#[derive(Clone, Copy, Debug, Eq, PartialEq, Hash)]
pub enum VideoColorPrimaries {
Unknown,
Bt709,
Bt470m,
Bt470bg,
Smpte170m,
Smpte240m,
Film,
Bt2020,
Adobergb,
#[doc(hidden)]
__Unknown(i32),
}
#[doc(hidden)]
impl ToGlib for VideoColorPrimaries {
type GlibType = ffi::GstVideoColorPrimaries;
fn to_glib(&self) -> ffi::GstVideoColorPrimaries {
match *self {
VideoColorPrimaries::Unknown => ffi::GST_VIDEO_COLOR_PRIMARIES_UNKNOWN,
VideoColorPrimaries::Bt709 => ffi::GST_VIDEO_COLOR_PRIMARIES_BT709,
VideoColorPrimaries::Bt470m => ffi::GST_VIDEO_COLOR_PRIMARIES_BT470M,
VideoColorPrimaries::Bt470bg => ffi::GST_VIDEO_COLOR_PRIMARIES_BT470BG,
VideoColorPrimaries::Smpte170m => ffi::GST_VIDEO_COLOR_PRIMARIES_SMPTE170M,
VideoColorPrimaries::Smpte240m => ffi::GST_VIDEO_COLOR_PRIMARIES_SMPTE240M,
VideoColorPrimaries::Film => ffi::GST_VIDEO_COLOR_PRIMARIES_FILM,
VideoColorPrimaries::Bt2020 => ffi::GST_VIDEO_COLOR_PRIMARIES_BT2020,
VideoColorPrimaries::Adobergb => ffi::GST_VIDEO_COLOR_PRIMARIES_ADOBERGB,
VideoColorPrimaries::__Unknown(value) => unsafe{std::mem::transmute(value)}
}
}
}
#[doc(hidden)]
impl FromGlib<ffi::GstVideoColorPrimaries> for VideoColorPrimaries {
fn from_glib(value: ffi::GstVideoColorPrimaries) -> Self {
skip_assert_initialized!();
match value as i32 {
0 => VideoColorPrimaries::Unknown,
1 => VideoColorPrimaries::Bt709,
2 => VideoColorPrimaries::Bt470m,
3 => VideoColorPrimaries::Bt470bg,
4 => VideoColorPrimaries::Smpte170m,
5 => VideoColorPrimaries::Smpte240m,
6 => VideoColorPrimaries::Film,
7 => VideoColorPrimaries::Bt2020,
8 => VideoColorPrimaries::Adobergb,
value => VideoColorPrimaries::__Unknown(value),
}
}
}
impl StaticType for VideoColorPrimaries {
fn static_type() -> Type {
unsafe { from_glib(ffi::gst_video_color_primaries_get_type()) }
}
}
impl<'a> FromValueOptional<'a> for VideoColorPrimaries {
unsafe fn from_value_optional(value: &Value) -> Option<Self> {
Some(FromValue::from_value(value))
}
}
impl<'a> FromValue<'a> for VideoColorPrimaries {
unsafe fn from_value(value: &Value) -> Self {
from_glib(std::mem::transmute::<i32, ffi::GstVideoColorPrimaries>(gobject_ffi::g_value_get_enum(value.to_glib_none().0)))
}
}
impl SetValue for VideoColorPrimaries {
unsafe fn set_value(value: &mut Value, this: &Self) {
gobject_ffi::g_value_set_enum(value.to_glib_none_mut().0, this.to_glib() as i32)
}
}
#[cfg(feature = "v1_12")]
#[derive(Clone, Copy, Debug, Eq, PartialEq, Hash)]
pub enum VideoFieldOrder {
Unknown,
TopFieldFirst,
BottomFieldFirst,
#[doc(hidden)]
__Unknown(i32),
}
#[cfg(feature = "v1_12")]
#[doc(hidden)]
impl ToGlib for VideoFieldOrder {
type GlibType = ffi::GstVideoFieldOrder;
fn to_glib(&self) -> ffi::GstVideoFieldOrder {
match *self {
VideoFieldOrder::Unknown => ffi::GST_VIDEO_FIELD_ORDER_UNKNOWN,
VideoFieldOrder::TopFieldFirst => ffi::GST_VIDEO_FIELD_ORDER_TOP_FIELD_FIRST,
VideoFieldOrder::BottomFieldFirst => ffi::GST_VIDEO_FIELD_ORDER_BOTTOM_FIELD_FIRST,
VideoFieldOrder::__Unknown(value) => unsafe{std::mem::transmute(value)}
}
}
}
#[cfg(feature = "v1_12")]
#[doc(hidden)]
impl FromGlib<ffi::GstVideoFieldOrder> for VideoFieldOrder {
fn from_glib(value: ffi::GstVideoFieldOrder) -> Self {
skip_assert_initialized!();
match value as i32 {
0 => VideoFieldOrder::Unknown,
1 => VideoFieldOrder::TopFieldFirst,
2 => VideoFieldOrder::BottomFieldFirst,
value => VideoFieldOrder::__Unknown(value),
}
}
}
#[cfg(feature = "v1_12")]
impl StaticType for VideoFieldOrder {
fn static_type() -> Type {
unsafe { from_glib(ffi::gst_video_field_order_get_type()) }
}
}
#[cfg(feature = "v1_12")]
impl<'a> FromValueOptional<'a> for VideoFieldOrder {
unsafe fn from_value_optional(value: &Value) -> Option<Self> {
Some(FromValue::from_value(value))
}
}
#[cfg(feature = "v1_12")]
impl<'a> FromValue<'a> for VideoFieldOrder {
unsafe fn from_value(value: &Value) -> Self {
from_glib(std::mem::transmute::<i32, ffi::GstVideoFieldOrder>(gobject_ffi::g_value_get_enum(value.to_glib_none().0)))
}
}
#[cfg(feature = "v1_12")]
impl SetValue for VideoFieldOrder {
unsafe fn set_value(value: &mut Value, this: &Self) {
gobject_ffi::g_value_set_enum(value.to_glib_none_mut().0, this.to_glib() as i32)
}
}
#[derive(Clone, Copy, Debug, Eq, PartialEq, Hash)]
pub enum VideoFormat {
Unknown,
@ -177,7 +394,7 @@ impl ToGlib for VideoFormat {
VideoFormat::I42212le => ffi::GST_VIDEO_FORMAT_I422_12LE,
VideoFormat::Y44412be => ffi::GST_VIDEO_FORMAT_Y444_12BE,
VideoFormat::Y44412le => ffi::GST_VIDEO_FORMAT_Y444_12LE,
VideoFormat::__Unknown(value) => unsafe { std::mem::transmute(value) },
VideoFormat::__Unknown(value) => unsafe{std::mem::transmute(value)}
}
}
}
@ -284,9 +501,7 @@ impl<'a> FromValueOptional<'a> for VideoFormat {
impl<'a> FromValue<'a> for VideoFormat {
unsafe fn from_value(value: &Value) -> Self {
from_glib(std::mem::transmute::<i32, ffi::GstVideoFormat>(
gobject_ffi::g_value_get_enum(value.to_glib_none().0),
))
from_glib(std::mem::transmute::<i32, ffi::GstVideoFormat>(gobject_ffi::g_value_get_enum(value.to_glib_none().0)))
}
}
@ -316,7 +531,7 @@ impl ToGlib for VideoInterlaceMode {
VideoInterlaceMode::Interleaved => ffi::GST_VIDEO_INTERLACE_MODE_INTERLEAVED,
VideoInterlaceMode::Mixed => ffi::GST_VIDEO_INTERLACE_MODE_MIXED,
VideoInterlaceMode::Fields => ffi::GST_VIDEO_INTERLACE_MODE_FIELDS,
VideoInterlaceMode::__Unknown(value) => unsafe { std::mem::transmute(value) },
VideoInterlaceMode::__Unknown(value) => unsafe{std::mem::transmute(value)}
}
}
}
@ -349,9 +564,7 @@ impl<'a> FromValueOptional<'a> for VideoInterlaceMode {
impl<'a> FromValue<'a> for VideoInterlaceMode {
unsafe fn from_value(value: &Value) -> Self {
from_glib(std::mem::transmute::<i32, ffi::GstVideoInterlaceMode>(
gobject_ffi::g_value_get_enum(value.to_glib_none().0),
))
from_glib(std::mem::transmute::<i32, ffi::GstVideoInterlaceMode>(gobject_ffi::g_value_get_enum(value.to_glib_none().0)))
}
}
@ -361,6 +574,96 @@ impl SetValue for VideoInterlaceMode {
}
}
#[derive(Clone, Copy, Debug, Eq, PartialEq, Hash)]
pub enum VideoMultiviewMode {
None,
Mono,
Left,
Right,
SideBySide,
SideBySideQuincunx,
ColumnInterleaved,
RowInterleaved,
TopBottom,
Checkerboard,
FrameByFrame,
MultiviewFrameByFrame,
Separated,
#[doc(hidden)]
__Unknown(i32),
}
#[doc(hidden)]
impl ToGlib for VideoMultiviewMode {
type GlibType = ffi::GstVideoMultiviewMode;
fn to_glib(&self) -> ffi::GstVideoMultiviewMode {
match *self {
VideoMultiviewMode::None => ffi::GST_VIDEO_MULTIVIEW_MODE_NONE,
VideoMultiviewMode::Mono => ffi::GST_VIDEO_MULTIVIEW_MODE_MONO,
VideoMultiviewMode::Left => ffi::GST_VIDEO_MULTIVIEW_MODE_LEFT,
VideoMultiviewMode::Right => ffi::GST_VIDEO_MULTIVIEW_MODE_RIGHT,
VideoMultiviewMode::SideBySide => ffi::GST_VIDEO_MULTIVIEW_MODE_SIDE_BY_SIDE,
VideoMultiviewMode::SideBySideQuincunx => ffi::GST_VIDEO_MULTIVIEW_MODE_SIDE_BY_SIDE_QUINCUNX,
VideoMultiviewMode::ColumnInterleaved => ffi::GST_VIDEO_MULTIVIEW_MODE_COLUMN_INTERLEAVED,
VideoMultiviewMode::RowInterleaved => ffi::GST_VIDEO_MULTIVIEW_MODE_ROW_INTERLEAVED,
VideoMultiviewMode::TopBottom => ffi::GST_VIDEO_MULTIVIEW_MODE_TOP_BOTTOM,
VideoMultiviewMode::Checkerboard => ffi::GST_VIDEO_MULTIVIEW_MODE_CHECKERBOARD,
VideoMultiviewMode::FrameByFrame => ffi::GST_VIDEO_MULTIVIEW_MODE_FRAME_BY_FRAME,
VideoMultiviewMode::MultiviewFrameByFrame => ffi::GST_VIDEO_MULTIVIEW_MODE_MULTIVIEW_FRAME_BY_FRAME,
VideoMultiviewMode::Separated => ffi::GST_VIDEO_MULTIVIEW_MODE_SEPARATED,
VideoMultiviewMode::__Unknown(value) => unsafe{std::mem::transmute(value)}
}
}
}
#[doc(hidden)]
impl FromGlib<ffi::GstVideoMultiviewMode> for VideoMultiviewMode {
fn from_glib(value: ffi::GstVideoMultiviewMode) -> Self {
skip_assert_initialized!();
match value as i32 {
-1 => VideoMultiviewMode::None,
0 => VideoMultiviewMode::Mono,
1 => VideoMultiviewMode::Left,
2 => VideoMultiviewMode::Right,
3 => VideoMultiviewMode::SideBySide,
4 => VideoMultiviewMode::SideBySideQuincunx,
5 => VideoMultiviewMode::ColumnInterleaved,
6 => VideoMultiviewMode::RowInterleaved,
7 => VideoMultiviewMode::TopBottom,
8 => VideoMultiviewMode::Checkerboard,
32 => VideoMultiviewMode::FrameByFrame,
33 => VideoMultiviewMode::MultiviewFrameByFrame,
34 => VideoMultiviewMode::Separated,
value => VideoMultiviewMode::__Unknown(value),
}
}
}
impl StaticType for VideoMultiviewMode {
fn static_type() -> Type {
unsafe { from_glib(ffi::gst_video_multiview_mode_get_type()) }
}
}
impl<'a> FromValueOptional<'a> for VideoMultiviewMode {
unsafe fn from_value_optional(value: &Value) -> Option<Self> {
Some(FromValue::from_value(value))
}
}
impl<'a> FromValue<'a> for VideoMultiviewMode {
unsafe fn from_value(value: &Value) -> Self {
from_glib(std::mem::transmute::<i32, ffi::GstVideoMultiviewMode>(gobject_ffi::g_value_get_enum(value.to_glib_none().0)))
}
}
impl SetValue for VideoMultiviewMode {
unsafe fn set_value(value: &mut Value, this: &Self) {
gobject_ffi::g_value_set_enum(value.to_glib_none_mut().0, this.to_glib() as i32)
}
}
#[derive(Clone, Copy, Debug, Eq, PartialEq, Hash)]
pub enum VideoTileMode {
Unknown,
@ -377,7 +680,7 @@ impl ToGlib for VideoTileMode {
match *self {
VideoTileMode::Unknown => ffi::GST_VIDEO_TILE_MODE_UNKNOWN,
VideoTileMode::Zflipz2x2 => ffi::GST_VIDEO_TILE_MODE_ZFLIPZ_2X2,
VideoTileMode::__Unknown(value) => unsafe { std::mem::transmute(value) },
VideoTileMode::__Unknown(value) => unsafe{std::mem::transmute(value)}
}
}
}
@ -408,9 +711,7 @@ impl<'a> FromValueOptional<'a> for VideoTileMode {
impl<'a> FromValue<'a> for VideoTileMode {
unsafe fn from_value(value: &Value) -> Self {
from_glib(std::mem::transmute::<i32, ffi::GstVideoTileMode>(
gobject_ffi::g_value_get_enum(value.to_glib_none().0),
))
from_glib(std::mem::transmute::<i32, ffi::GstVideoTileMode>(gobject_ffi::g_value_get_enum(value.to_glib_none().0)))
}
}
@ -419,3 +720,94 @@ impl SetValue for VideoTileMode {
gobject_ffi::g_value_set_enum(value.to_glib_none_mut().0, this.to_glib() as i32)
}
}
#[derive(Clone, Copy, Debug, Eq, PartialEq, Hash)]
pub enum VideoTransferFunction {
Unknown,
Gamma10,
Gamma18,
Gamma20,
Gamma22,
Bt709,
Smpte240m,
Srgb,
Gamma28,
Log100,
Log316,
Bt202012,
Adobergb,
#[doc(hidden)]
__Unknown(i32),
}
#[doc(hidden)]
impl ToGlib for VideoTransferFunction {
type GlibType = ffi::GstVideoTransferFunction;
fn to_glib(&self) -> ffi::GstVideoTransferFunction {
match *self {
VideoTransferFunction::Unknown => ffi::GST_VIDEO_TRANSFER_UNKNOWN,
VideoTransferFunction::Gamma10 => ffi::GST_VIDEO_TRANSFER_GAMMA10,
VideoTransferFunction::Gamma18 => ffi::GST_VIDEO_TRANSFER_GAMMA18,
VideoTransferFunction::Gamma20 => ffi::GST_VIDEO_TRANSFER_GAMMA20,
VideoTransferFunction::Gamma22 => ffi::GST_VIDEO_TRANSFER_GAMMA22,
VideoTransferFunction::Bt709 => ffi::GST_VIDEO_TRANSFER_BT709,
VideoTransferFunction::Smpte240m => ffi::GST_VIDEO_TRANSFER_SMPTE240M,
VideoTransferFunction::Srgb => ffi::GST_VIDEO_TRANSFER_SRGB,
VideoTransferFunction::Gamma28 => ffi::GST_VIDEO_TRANSFER_GAMMA28,
VideoTransferFunction::Log100 => ffi::GST_VIDEO_TRANSFER_LOG100,
VideoTransferFunction::Log316 => ffi::GST_VIDEO_TRANSFER_LOG316,
VideoTransferFunction::Bt202012 => ffi::GST_VIDEO_TRANSFER_BT2020_12,
VideoTransferFunction::Adobergb => ffi::GST_VIDEO_TRANSFER_ADOBERGB,
VideoTransferFunction::__Unknown(value) => unsafe{std::mem::transmute(value)}
}
}
}
#[doc(hidden)]
impl FromGlib<ffi::GstVideoTransferFunction> for VideoTransferFunction {
fn from_glib(value: ffi::GstVideoTransferFunction) -> Self {
skip_assert_initialized!();
match value as i32 {
0 => VideoTransferFunction::Unknown,
1 => VideoTransferFunction::Gamma10,
2 => VideoTransferFunction::Gamma18,
3 => VideoTransferFunction::Gamma20,
4 => VideoTransferFunction::Gamma22,
5 => VideoTransferFunction::Bt709,
6 => VideoTransferFunction::Smpte240m,
7 => VideoTransferFunction::Srgb,
8 => VideoTransferFunction::Gamma28,
9 => VideoTransferFunction::Log100,
10 => VideoTransferFunction::Log316,
11 => VideoTransferFunction::Bt202012,
12 => VideoTransferFunction::Adobergb,
value => VideoTransferFunction::__Unknown(value),
}
}
}
impl StaticType for VideoTransferFunction {
fn static_type() -> Type {
unsafe { from_glib(ffi::gst_video_transfer_function_get_type()) }
}
}
impl<'a> FromValueOptional<'a> for VideoTransferFunction {
unsafe fn from_value_optional(value: &Value) -> Option<Self> {
Some(FromValue::from_value(value))
}
}
impl<'a> FromValue<'a> for VideoTransferFunction {
unsafe fn from_value(value: &Value) -> Self {
from_glib(std::mem::transmute::<i32, ffi::GstVideoTransferFunction>(gobject_ffi::g_value_get_enum(value.to_glib_none().0)))
}
}
impl SetValue for VideoTransferFunction {
unsafe fn set_value(value: &mut Value, this: &Self) {
gobject_ffi::g_value_set_enum(value.to_glib_none_mut().0, this.to_glib() as i32)
}
}

69
gstreamer-video/src/auto/flags.rs
View file

@ -4,7 +4,7 @@
use ffi;
use glib::Type;
use glib::StaticType;
use glib::value::{FromValue, FromValueOptional, SetValue, Value};
use glib::value::{Value, SetValue, FromValue, FromValueOptional};
use gobject_ffi;
use glib::translate::*;
@ -53,9 +53,7 @@ impl<'a> FromValueOptional<'a> for VideoChromaSite {
impl<'a> FromValue<'a> for VideoChromaSite {
unsafe fn from_value(value: &Value) -> Self {
from_glib(ffi::GstVideoChromaSite::from_bits_truncate(
gobject_ffi::g_value_get_flags(value.to_glib_none().0),
))
from_glib(ffi::GstVideoChromaSite::from_bits_truncate(gobject_ffi::g_value_get_flags(value.to_glib_none().0)))
}
}
@ -104,9 +102,7 @@ impl<'a> FromValueOptional<'a> for VideoFlags {
impl<'a> FromValue<'a> for VideoFlags {
unsafe fn from_value(value: &Value) -> Self {
from_glib(ffi::GstVideoFlags::from_bits_truncate(
gobject_ffi::g_value_get_flags(value.to_glib_none().0),
))
from_glib(ffi::GstVideoFlags::from_bits_truncate(gobject_ffi::g_value_get_flags(value.to_glib_none().0)))
}
}
@ -161,9 +157,7 @@ impl<'a> FromValueOptional<'a> for VideoFormatFlags {
impl<'a> FromValue<'a> for VideoFormatFlags {
unsafe fn from_value(value: &Value) -> Self {
from_glib(ffi::GstVideoFormatFlags::from_bits_truncate(
gobject_ffi::g_value_get_flags(value.to_glib_none().0),
))
from_glib(ffi::GstVideoFormatFlags::from_bits_truncate(gobject_ffi::g_value_get_flags(value.to_glib_none().0)))
}
}
@ -172,3 +166,58 @@ impl SetValue for VideoFormatFlags {
gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, this.to_glib().bits())
}
}
bitflags! {
pub struct VideoMultiviewFlags: u32 {
const VIDEO_MULTIVIEW_FLAGS_NONE = 0;
const VIDEO_MULTIVIEW_FLAGS_RIGHT_VIEW_FIRST = 1;
const VIDEO_MULTIVIEW_FLAGS_LEFT_FLIPPED = 2;
const VIDEO_MULTIVIEW_FLAGS_LEFT_FLOPPED = 4;
const VIDEO_MULTIVIEW_FLAGS_RIGHT_FLIPPED = 8;
const VIDEO_MULTIVIEW_FLAGS_RIGHT_FLOPPED = 16;
const VIDEO_MULTIVIEW_FLAGS_HALF_ASPECT = 16384;
const VIDEO_MULTIVIEW_FLAGS_MIXED_MONO = 32768;
}
}
#[doc(hidden)]
impl ToGlib for VideoMultiviewFlags {
type GlibType = ffi::GstVideoMultiviewFlags;
fn to_glib(&self) -> ffi::GstVideoMultiviewFlags {
ffi::GstVideoMultiviewFlags::from_bits_truncate(self.bits())
}
}
#[doc(hidden)]
impl FromGlib<ffi::GstVideoMultiviewFlags> for VideoMultiviewFlags {
fn from_glib(value: ffi::GstVideoMultiviewFlags) -> VideoMultiviewFlags {
skip_assert_initialized!();
VideoMultiviewFlags::from_bits_truncate(value.bits())
}
}
impl StaticType for VideoMultiviewFlags {
fn static_type() -> Type {
unsafe { from_glib(ffi::gst_video_multiview_flags_get_type()) }
}
}
impl<'a> FromValueOptional<'a> for VideoMultiviewFlags {
unsafe fn from_value_optional(value: &Value) -> Option<Self> {
Some(FromValue::from_value(value))
}
}
impl<'a> FromValue<'a> for VideoMultiviewFlags {
unsafe fn from_value(value: &Value) -> Self {
from_glib(ffi::GstVideoMultiviewFlags::from_bits_truncate(gobject_ffi::g_value_get_flags(value.to_glib_none().0)))
}
}
impl SetValue for VideoMultiviewFlags {
unsafe fn set_value(value: &mut Value, this: &Self) {
gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, this.to_glib().bits())
}
}

18
gstreamer-video/src/auto/mod.rs
View file

@ -2,9 +2,15 @@
// DO NOT EDIT
mod enums;
pub use self::enums::VideoColorMatrix;
pub use self::enums::VideoColorPrimaries;
#[cfg(feature = "v1_12")]
pub use self::enums::VideoFieldOrder;
pub use self::enums::VideoFormat;
pub use self::enums::VideoInterlaceMode;
pub use self::enums::VideoMultiviewMode;
pub use self::enums::VideoTileMode;
pub use self::enums::VideoTransferFunction;
mod flags;
pub use self::flags::VideoChromaSite;
@ -31,6 +37,16 @@ pub use self::flags::VIDEO_FORMAT_FLAG_PALETTE;
pub use self::flags::VIDEO_FORMAT_FLAG_COMPLEX;
pub use self::flags::VIDEO_FORMAT_FLAG_UNPACK;
pub use self::flags::VIDEO_FORMAT_FLAG_TILED;
pub use self::flags::VideoMultiviewFlags;
pub use self::flags::VIDEO_MULTIVIEW_FLAGS_NONE;
pub use self::flags::VIDEO_MULTIVIEW_FLAGS_RIGHT_VIEW_FIRST;
pub use self::flags::VIDEO_MULTIVIEW_FLAGS_LEFT_FLIPPED;
pub use self::flags::VIDEO_MULTIVIEW_FLAGS_LEFT_FLOPPED;
pub use self::flags::VIDEO_MULTIVIEW_FLAGS_RIGHT_FLIPPED;
pub use self::flags::VIDEO_MULTIVIEW_FLAGS_RIGHT_FLOPPED;
pub use self::flags::VIDEO_MULTIVIEW_FLAGS_HALF_ASPECT;
pub use self::flags::VIDEO_MULTIVIEW_FLAGS_MIXED_MONO;
#[doc(hidden)]
pub mod traits {}
pub mod traits {
}

10
gstreamer-video/src/lib.rs
View file

@ -15,16 +15,8 @@ extern crate gobject_sys as gobject_ffi;
extern crate gstreamer_sys as gst_ffi;
extern crate gstreamer_video_sys as ffi;
extern crate gstreamer as gst;
#[macro_use]
extern crate glib;
macro_rules! assert_initialized_main_thread {
() => (
use gst_ffi;
assert_eq!(unsafe {gst_ffi::gst_is_initialized()}, ::glib_ffi::GTRUE)
)
}
macro_rules! skip_assert_initialized {
() => (
)
@ -44,3 +36,5 @@ mod video_format;
pub use video_format::*;
mod video_format_info;
pub use video_format_info::*;
mod video_info;
pub use video_info::*;

687
gstreamer-video/src/video_info.rs Normal file
View file

@ -0,0 +1,687 @@
// Copyright (C) 2017 Sebastian Dröge <sebastian@centricular.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 ffi;
use glib_ffi;
use gobject_ffi;
use gst;
use gst::miniobject::MiniObject;
use glib;
use glib::translate::{from_glib, from_glib_full, from_glib_none, FromGlib, FromGlibPtrNone,
ToGlib, ToGlibPtr, ToGlibPtrMut};
use std::mem;
use std::ptr;
use std::str;
use std::fmt;
#[derive(Clone, Copy, Debug, Eq, PartialEq, Hash)]
pub enum VideoColorRange {
Unknown,
Range0255,
Range16235,
#[doc(hidden)]
__Unknown(i32),
}
#[doc(hidden)]
impl ToGlib for VideoColorRange {
type GlibType = ffi::GstVideoColorRange;
fn to_glib(&self) -> ffi::GstVideoColorRange {
match *self {
VideoColorRange::Unknown => ffi::GST_VIDEO_COLOR_RANGE_UNKNOWN,
VideoColorRange::Range0255 => ffi::GST_VIDEO_COLOR_RANGE_0_255,
VideoColorRange::Range16235 => ffi::GST_VIDEO_COLOR_RANGE_16_235,
VideoColorRange::__Unknown(value) => unsafe { mem::transmute(value) },
}
}
}
#[doc(hidden)]
impl FromGlib<ffi::GstVideoColorRange> for VideoColorRange {
fn from_glib(value: ffi::GstVideoColorRange) -> Self {
skip_assert_initialized!();
match value as i32 {
0 => VideoColorRange::Unknown,
1 => VideoColorRange::Range0255,
2 => VideoColorRange::Range16235,
value => VideoColorRange::__Unknown(value),
}
}
}
impl glib::StaticType for VideoColorRange {
fn static_type() -> glib::Type {
unsafe { from_glib(ffi::gst_video_color_range_get_type()) }
}
}
impl<'a> glib::value::FromValueOptional<'a> for VideoColorRange {
unsafe fn from_value_optional(value: &glib::value::Value) -> Option<Self> {
Some(glib::value::FromValue::from_value(value))
}
}
impl<'a> glib::value::FromValue<'a> for VideoColorRange {
unsafe fn from_value(value: &glib::value::Value) -> Self {
from_glib(mem::transmute::<i32, ffi::GstVideoColorRange>(
gobject_ffi::g_value_get_enum(value.to_glib_none().0),
))
}
}
impl glib::value::SetValue for VideoColorRange {
unsafe fn set_value(value: &mut glib::value::Value, this: &Self) {
gobject_ffi::g_value_set_enum(value.to_glib_none_mut().0, this.to_glib() as i32)
}
}
pub struct VideoColorimetry(ffi::GstVideoColorimetry);
impl VideoColorimetry {
pub fn new(
range: VideoColorRange,
matrix: ::VideoColorMatrix,
transfer: ::VideoTransferFunction,
primaries: ::VideoColorPrimaries,
) -> Self {
let colorimetry = unsafe {
let mut colorimetry: ffi::GstVideoColorimetry = mem::zeroed();
colorimetry.range = range.to_glib();
colorimetry.matrix = matrix.to_glib();
colorimetry.transfer = transfer.to_glib();
colorimetry.primaries = primaries.to_glib();
colorimetry
};
VideoColorimetry(colorimetry)
}
pub fn to_string(&self) -> String {
unsafe { from_glib_full(ffi::gst_video_colorimetry_to_string(&self.0)) }
}
pub fn from_string(s: &str) -> Option<Self> {
unsafe {
let mut colorimetry = mem::zeroed();
let valid: bool = from_glib(ffi::gst_video_colorimetry_from_string(
&mut colorimetry,
s.to_glib_none().0,
));
if valid {
Some(VideoColorimetry(colorimetry))
} else {
None
}
}
}
}
impl Clone for VideoColorimetry {
fn clone(&self) -> Self {
unsafe { VideoColorimetry(ptr::read(&self.0)) }
}
}
impl PartialEq for VideoColorimetry {
fn eq(&self, other: &Self) -> bool {
unsafe { from_glib(ffi::gst_video_colorimetry_is_equal(&self.0, &other.0)) }
}
}
impl Eq for VideoColorimetry {}
impl str::FromStr for ::VideoColorimetry {
type Err = ();
fn from_str(s: &str) -> Result<Self, ()> {
Self::from_string(s).ok_or(())
}
}
impl fmt::Debug for ::VideoColorimetry {
fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
f.write_str(&self.to_string())
}
}
impl fmt::Display for ::VideoColorimetry {
fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
f.write_str(&self.to_string())
}
}
pub struct VideoInfo(ffi::GstVideoInfo);
pub struct VideoInfoBuilder<'a> {
format: ::VideoFormat,
width: u32,
height: u32,
interlace_mode: Option<::VideoInterlaceMode>,
flags: Option<::VideoFlags>,
size: Option<usize>,
views: Option<u32>,
chroma_site: Option<::VideoChromaSite>,
colorimetry: Option<&'a ::VideoColorimetry>,
par: Option<gst::Fraction>,
fps: Option<gst::Fraction>,
offset: Option<&'a [usize]>,
stride: Option<&'a [i32]>,
multiview_mode: Option<::VideoMultiviewMode>,
multiview_flags: Option<::VideoMultiviewFlags>,
#[cfg(feature = "v1_12")]
field_order: Option<::VideoFieldOrder>,
}
impl<'a> VideoInfoBuilder<'a> {
pub fn build(self) -> Option<VideoInfo> {
unsafe {
let mut info = mem::uninitialized();
ffi::gst_video_info_set_format(
&mut info,
self.format.to_glib(),
self.width,
self.height,
);
if info.finfo.is_null() || info.width <= 0 || info.width <= 0 {
return None;
}
if let Some(interlace_mode) = self.interlace_mode {
info.interlace_mode = interlace_mode.to_glib();
}
if let Some(flags) = self.flags {
info.flags = flags.to_glib();
}
if let Some(size) = self.size {
info.size = size;
}
if let Some(views) = self.views {
info.views = views as i32;
}
if let Some(chroma_site) = self.chroma_site {
info.chroma_site = chroma_site.to_glib();
}
if let Some(colorimetry) = self.colorimetry {
ptr::write(&mut info.colorimetry, ptr::read(&colorimetry.0));
}
if let Some(par) = self.par {
info.par_n = *par.numer();
info.par_d = *par.denom();
}
if let Some(fps) = self.fps {
info.fps_n = *fps.numer();
info.fps_d = *fps.denom();
}
if let Some(offset) = self.offset {
if offset.len() != ((*info.finfo).n_planes as usize) {
return None;
}
for i in 0..((*info.finfo).n_planes as usize) {
info.offset[i] = offset[i];
}
}
if let Some(stride) = self.stride {
if stride.len() != ((*info.finfo).n_planes as usize) {
return None;
}
for i in 0..((*info.finfo).n_planes as usize) {
info.stride[i] = stride[i];
}
}
if let Some(multiview_mode) = self.multiview_mode {
let ptr = &mut info._gst_reserved as *mut _ as *mut i32;
ptr::write(ptr.offset(0), mem::transmute(multiview_mode.to_glib()));
}
if let Some(multiview_flags) = self.multiview_flags {
let ptr = &mut info._gst_reserved as *mut _ as *mut u32;
ptr::write(ptr.offset(1), multiview_flags.to_glib().bits());
}
#[cfg(feature = "v1_12")]
{
if let Some(field_order) = self.field_order {
let ptr = &mut info._gst_reserved as *mut _ as *mut i32;
ptr::write(ptr.offset(2), mem::transmute(field_order.to_glib()));
}
}
Some(VideoInfo(info))
}
}
pub fn interlace_mode(self, interlace_mode: ::VideoInterlaceMode) -> VideoInfoBuilder<'a> {
Self {
interlace_mode: Some(interlace_mode),
..self
}
}
pub fn flags(self, flags: ::VideoFlags) -> Self {
Self {
flags: Some(flags),
..self
}
}
pub fn size(self, size: usize) -> Self {
Self {
size: Some(size),
..self
}
}
pub fn views(self, views: u32) -> Self {
Self {
views: Some(views),
..self
}
}
pub fn chroma_site(self, chroma_site: ::VideoChromaSite) -> Self {
Self {
chroma_site: Some(chroma_site),
..self
}
}
pub fn colorimetry(self, colorimetry: &'a ::VideoColorimetry) -> VideoInfoBuilder<'a> {
Self {
colorimetry: Some(colorimetry),
..self
}
}
pub fn par(self, par: gst::Fraction) -> Self {
Self {
par: Some(par),
..self
}
}
pub fn fps(self, fps: gst::Fraction) -> Self {
Self {
fps: Some(fps),
..self
}
}
pub fn offset(self, offset: &'a [usize]) -> VideoInfoBuilder<'a> {
Self {
offset: Some(offset),
..self
}
}
pub fn stride(self, stride: &'a [i32]) -> VideoInfoBuilder<'a> {
Self {
stride: Some(stride),
..self
}
}
pub fn multiview_mode(self, multiview_mode: ::VideoMultiviewMode) -> Self {
Self {
multiview_mode: Some(multiview_mode),
..self
}
}
pub fn multiview_flags(self, multiview_flags: ::VideoMultiviewFlags) -> Self {
Self {
multiview_flags: Some(multiview_flags),
..self
}
}
#[cfg(feature = "v1_12")]
pub fn field_order(self, field_order: ::VideoFieldOrder) -> Self {
Self {
field_order: Some(field_order),
..self
}
}
}
impl VideoInfo {
pub fn new<'a>(format: ::VideoFormat, width: u32, height: u32) -> VideoInfoBuilder<'a> {
#[cfg(not(feature = "v1_12"))]
{
VideoInfoBuilder {
format: format,
width: width,
height: height,
interlace_mode: None,
flags: None,
size: None,
views: None,
chroma_site: None,
colorimetry: None,
par: None,
fps: None,
offset: None,
stride: None,
multiview_mode: None,
multiview_flags: None,
}
}
#[cfg(feature = "v1_12")]
{
VideoInfoBuilder {
format: format,
width: width,
height: height,
interlace_mode: None,
flags: None,
size: None,
views: None,
chroma_site: None,
colorimetry: None,
par: None,
fps: None,
offset: None,
stride: None,
multiview_mode: None,
multiview_flags: None,
field_order: None,
}
}
}
pub fn from_caps(caps: &gst::Caps) -> Option<Self> {
unsafe {
let mut info = mem::uninitialized();
if from_glib(ffi::gst_video_info_from_caps(&mut info, caps.as_ptr())) {
Some(VideoInfo(info))
} else {
None
}
}
}
pub fn to_caps(&self) -> Option<gst::Caps> {
unsafe {
let caps = ffi::gst_video_info_to_caps(&self.0 as *const _ as *mut _);
if caps.is_null() {
None
} else {
Some(from_glib_full(caps))
}
}
}
pub fn format(&self) -> ::VideoFormat {
unsafe { from_glib((*self.0.finfo).format) }
}
pub fn format_info(&self) -> ::VideoFormatInfo {
::VideoFormatInfo::from_format(self.format())
}
pub fn width(&self) -> u32 {
self.0.width as u32
}
pub fn height(&self) -> u32 {
self.0.height as u32
}
pub fn interlace_mode(&self) -> ::VideoInterlaceMode {
from_glib(self.0.interlace_mode)
}
pub fn flags(&self) -> ::VideoFlags {
from_glib(self.0.flags)
}
pub fn size(&self) -> usize {
self.0.size
}
pub fn views(&self) -> u32 {
self.0.views as u32
}
pub fn chroma_site(&self) -> ::VideoChromaSite {
from_glib(self.0.chroma_site)
}
pub fn colorimetry(&self) -> VideoColorimetry {
unsafe { VideoColorimetry(ptr::read(&self.0.colorimetry)) }
}
pub fn par(&self) -> gst::Fraction {
gst::Fraction::new(self.0.par_n, self.0.par_d)
}
pub fn fps(&self) -> gst::Fraction {
gst::Fraction::new(self.0.fps_n, self.0.fps_d)
}
pub fn offset(&self) -> &[usize] {
&self.0.offset[0..(self.format_info().n_planes() as usize)]
}
pub fn stride(&self) -> &[i32] {
&self.0.stride[0..(self.format_info().n_planes() as usize)]
}
pub fn multiview_mode(&self) -> ::VideoMultiviewMode {
unsafe {
let ptr = &self.0._gst_reserved as *const _ as *const i32;
from_glib(mem::transmute(ptr::read(ptr.offset(0))))
}
}
pub fn multiview_flags(&self) -> ::VideoMultiviewFlags {
unsafe {
let ptr = &self.0._gst_reserved as *const _ as *const u32;
from_glib(mem::transmute(ptr::read(ptr.offset(1))))
}
}
#[cfg(feature = "v1_12")]
pub fn field_order(&self) -> ::VideoFieldOrder {
unsafe {
let ptr = &self.0._gst_reserved as *const _ as *const i32;
from_glib(mem::transmute(ptr::read(ptr.offset(2))))
}
}
}
impl Clone for VideoInfo {
fn clone(&self) -> Self {
unsafe { VideoInfo(ptr::read(&self.0)) }
}
}
impl PartialEq for VideoInfo {
fn eq(&self, other: &Self) -> bool {
unsafe { from_glib(ffi::gst_video_info_is_equal(&self.0, &other.0)) }
}
}
impl Eq for VideoInfo {}
impl glib::types::StaticType for VideoInfo {
fn static_type() -> glib::types::Type {
unsafe { glib::translate::from_glib(ffi::gst_video_info_get_type()) }
}
}
#[doc(hidden)]
impl<'a> glib::value::FromValueOptional<'a> for VideoInfo {
unsafe fn from_value_optional(value: &glib::Value) -> Option<Self> {
Option::<VideoInfo>::from_glib_none(
gobject_ffi::g_value_get_boxed(value.to_glib_none().0) as *mut ffi::GstVideoInfo,
)
}
}
#[doc(hidden)]
impl glib::value::SetValue for VideoInfo {
unsafe fn set_value(value: &mut glib::Value, this: &Self) {
gobject_ffi::g_value_set_boxed(
value.to_glib_none_mut().0,
glib::translate::ToGlibPtr::<*const ffi::GstVideoInfo>::to_glib_none(this).0 as
glib_ffi::gpointer,
)
}
}
#[doc(hidden)]
impl glib::value::SetValueOptional for VideoInfo {
unsafe fn set_value_optional(value: &mut glib::Value, this: Option<&Self>) {
gobject_ffi::g_value_set_boxed(
value.to_glib_none_mut().0,
glib::translate::ToGlibPtr::<*const ffi::GstVideoInfo>::to_glib_none(&this).0 as
glib_ffi::gpointer,
)
}
}
#[doc(hidden)]
impl glib::translate::Uninitialized for VideoInfo {
unsafe fn uninitialized() -> Self {
mem::zeroed()
}
}
#[doc(hidden)]
impl glib::translate::GlibPtrDefault for VideoInfo {
type GlibType = *mut ffi::GstVideoInfo;
}
#[doc(hidden)]
impl<'a> glib::translate::ToGlibPtr<'a, *const ffi::GstVideoInfo> for VideoInfo {
type Storage = &'a VideoInfo;
fn to_glib_none(&'a self) -> glib::translate::Stash<'a, *const ffi::GstVideoInfo, Self> {
glib::translate::Stash(&self.0, self)
}
fn to_glib_full(&self) -> *const ffi::GstVideoInfo {
unimplemented!()
}
}
#[doc(hidden)]
impl glib::translate::FromGlibPtrNone<*mut ffi::GstVideoInfo> for VideoInfo {
#[inline]
unsafe fn from_glib_none(ptr: *mut ffi::GstVideoInfo) -> Self {
VideoInfo(ptr::read(ptr))
}
}
#[doc(hidden)]
impl glib::translate::FromGlibPtrFull<*mut ffi::GstVideoInfo> for VideoInfo {
#[inline]
unsafe fn from_glib_full(ptr: *mut ffi::GstVideoInfo) -> Self {
let info = from_glib_none(ptr);
glib_ffi::g_free(ptr as *mut _);
info
}
}
#[cfg(test)]
mod tests {
use super::*;
use gst;
#[test]
fn test_new() {
gst::init().unwrap();
let info = VideoInfo::new(::VideoFormat::I420, 320, 240)
.build()
.unwrap();
assert_eq!(info.format(), ::VideoFormat::I420);
assert_eq!(info.width(), 320);
assert_eq!(info.height(), 240);
assert_eq!(info.size(), 320 * 240 + 2 * 160 * 120);
assert_eq!(info.multiview_mode(), ::VideoMultiviewMode::None);
assert_eq!(&info.offset(), &[0, 320 * 240, 320 * 240 + 160 * 120]);
assert_eq!(&info.stride(), &[320, 160, 160]);
let offsets = [0, 640 * 240 + 16, 640 * 240 + 16 + 320 * 120 + 16];
let strides = [640, 320, 320];
let info = VideoInfo::new(::VideoFormat::I420, 320, 240)
.offset(&offsets)
.stride(&strides)
.size(640 * 240 + 16 + 320 * 120 + 16 + 320 * 120 + 16)
.multiview_mode(::VideoMultiviewMode::SideBySide)
.build()
.unwrap();
assert_eq!(info.format(), ::VideoFormat::I420);
assert_eq!(info.width(), 320);
assert_eq!(info.height(), 240);
assert_eq!(
info.size(),
640 * 240 + 16 + 320 * 120 + 16 + 320 * 120 + 16
);
assert_eq!(info.multiview_mode(), ::VideoMultiviewMode::SideBySide);
assert_eq!(
&info.offset(),
&[0, 640 * 240 + 16, 640 * 240 + 16 + 320 * 120 + 16]
);
assert_eq!(&info.stride(), &[640, 320, 320]);
}
#[test]
fn test_from_to_caps() {
gst::init().unwrap();
let caps = gst::Caps::new_simple(
"video/x-raw",
&[
("format", &"I420"),
("width", &320),
("height", &240),
("framerate", &gst::Fraction::new(30, 1)),
("pixel-aspect-ratio", &gst::Fraction::new(1, 1)),
("interlace-mode", &"progressive"),
("chroma-site", &"mpeg2"),
("colorimetry", &"bt709"),
],
);
let info = VideoInfo::from_caps(&caps).unwrap();
assert_eq!(info.format(), ::VideoFormat::I420);
assert_eq!(info.width(), 320);
assert_eq!(info.height(), 240);
assert_eq!(info.fps(), gst::Fraction::new(30, 1));
assert_eq!(info.interlace_mode(), ::VideoInterlaceMode::Progressive);
assert_eq!(info.chroma_site(), ::VIDEO_CHROMA_SITE_MPEG2);
assert_eq!(info.colorimetry(), "bt709".parse().unwrap());
let caps2 = info.to_caps().unwrap();
assert_eq!(caps, caps2);
let info2 = VideoInfo::from_caps(&caps2).unwrap();
assert!(info == info2);
}
}