Struct gstreamer::buffer::Buffer

pub struct Buffer { /* fields omitted */ }

Implementations

impl Buffer

pub unsafe fn from_glib_none(ptr: *const GstBuffer) -> Self

pub unsafe fn from_glib_full(ptr: *const GstBuffer) -> Self

pub unsafe fn from_glib_borrow(ptr: *const GstBuffer) -> Borrowed<Self>

pub unsafe fn replace_ptr(&mut self, ptr: *mut GstBuffer)

pub fn make_mut(&mut self) -> &mut BufferRef

pub fn get_mut(&mut self) -> Option<&mut BufferRef>

pub fn is_writable(&self) -> bool

pub unsafe fn into_ptr(self) -> *mut GstBuffer

impl Buffer

pub fn new() -> Self

Creates a newly allocated buffer without any data.

MT safe.

Returns

the new Buffer.

pub fn with_size(size: usize) -> Result<Self, BoolError>

pub fn from_mut_slice<T: AsMut<[u8]> + Send + 'static>(slice: T) -> Self

pub fn from_slice<T: AsRef<[u8]> + Send + 'static>(slice: T) -> Self

pub fn into_mapped_buffer_readable(self) -> Result<MappedBuffer<Readable>, Self>

pub fn into_mapped_buffer_writable(self) -> Result<MappedBuffer<Writable>, Self>

pub fn into_cursor_readable(self) -> BufferCursor<Readable>

pub fn into_cursor_writable(self) -> Result<BufferCursor<Writable>, BoolError>

pub fn append(&mut self, other: Self)

Append all the memory from buf2 to self. The result buffer will contain a concatenation of the memory of self and buf2.

buf2

the second source Buffer to append.

Returns

the new Buffer that contains the memory of the two source buffers.

Methods from Deref<Target = BufferRef>

pub unsafe fn as_ptr(&self) -> *const GstBuffer

pub unsafe fn as_mut_ptr(&self) -> *mut GstBuffer

pub fn copy(&self) -> Buffer

pub fn map_readable(&self) -> Result<BufferMap<'_, Readable>, BoolError>

pub fn copy_region(
    &self,
    flags: BufferCopyFlags,
    offset: usize,
    size: Option<usize>
) -> Result<Buffer, BoolError>

pub fn copy_into(
    &self,
    dest: &mut BufferRef,
    flags: BufferCopyFlags,
    offset: usize,
    size: Option<usize>
) -> Result<(), BoolError>

pub fn copy_to_slice(
    &self,
    offset: usize,
    slice: &mut [u8]
) -> Result<(), usize>

pub fn copy_deep(&self) -> Result<Buffer, BoolError>

pub fn get_size(&self) -> usize

pub fn get_maxsize(&self) -> usize

pub fn get_offset(&self) -> u64

pub fn get_offset_end(&self) -> u64

pub fn get_pts(&self) -> ClockTime

pub fn get_dts(&self) -> ClockTime

pub fn get_dts_or_pts(&self) -> ClockTime

pub fn get_duration(&self) -> ClockTime

pub fn get_flags(&self) -> BufferFlags

pub fn get_meta<T: MetaAPI>(&self) -> Option<MetaRef<'_, T>>

pub fn iter_meta<T: MetaAPI>(&self) -> MetaIter<'_, T>

pub fn foreach_meta<F: FnMut(MetaRef<'_, Meta>) -> bool>(&self, func: F) -> bool

pub fn find_memory(
    &self,
    offset: usize,
    size: Option<usize>
) -> Option<(u32, u32, usize)>

pub fn get_all_memory(&self) -> Option<Memory>

pub fn get_memory(&self, idx: u32) -> Option<Memory>

pub fn get_memory_range(&self, idx: u32, length: Option<u32>) -> Option<Memory>

pub fn is_all_memory_writable(&self) -> bool

pub fn is_memory_range_writable(&self, idx: u32, length: Option<u16>) -> bool

pub fn n_memory(&self) -> u32

pub fn peek_memory(&self, idx: u32) -> &MemoryRef

pub fn iter_memories(&self) -> Iter<'_>

pub fn iter_memories_owned(&self) -> IterOwned<'_>

pub fn as_cursor_readable<'a>(&'a self) -> BufferRefCursor<&'a BufferRef>

Trait Implementations

impl AsRef<BufferRef> for Buffer

fn as_ref(&self) -> &BufferRef

Performs the conversion.

impl Borrow<BufferRef> for Buffer

fn borrow(&self) -> &BufferRef

Immutably borrows from an owned value.

impl Clone for Buffer

fn clone(&self) -> Self

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Buffer

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Buffer

fn default() -> Self

Returns the "default value" for a type.

impl Deref for Buffer

type Target = BufferRef

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl<'de> Deserialize<'de> for Buffer

fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error>

Deserialize this value from the given Serde deserializer.

impl Drop for Buffer

fn drop(&mut self)

Executes the destructor for this type.

impl Eq for Buffer

impl FromGlibContainerAsVec<*mut GstBuffer, *const *mut GstBuffer> for Buffer

unsafe fn from_glib_none_num_as_vec(
    ptr: *const *mut GstBuffer,
    num: usize
) -> Vec<Self>

unsafe fn from_glib_container_num_as_vec(
    _: *const *mut GstBuffer,
    _: usize
) -> Vec<Self>

unsafe fn from_glib_full_num_as_vec(
    _: *const *mut GstBuffer,
    _: usize
) -> Vec<Self>

impl FromGlibContainerAsVec<*mut GstBuffer, *mut *mut GstBuffer> for Buffer

unsafe fn from_glib_none_num_as_vec(
    ptr: *mut *mut GstBuffer,
    num: usize
) -> Vec<Self>

unsafe fn from_glib_container_num_as_vec(
    ptr: *mut *mut GstBuffer,
    num: usize
) -> Vec<Self>

unsafe fn from_glib_full_num_as_vec(
    ptr: *mut *mut GstBuffer,
    num: usize
) -> Vec<Self>

impl FromGlibPtrArrayContainerAsVec<*mut GstBuffer, *const *mut GstBuffer> for Buffer

unsafe fn from_glib_none_as_vec(ptr: *const *mut GstBuffer) -> Vec<Self>

unsafe fn from_glib_container_as_vec(_: *const *mut GstBuffer) -> Vec<Self>

unsafe fn from_glib_full_as_vec(_: *const *mut GstBuffer) -> Vec<Self>

impl FromGlibPtrArrayContainerAsVec<*mut GstBuffer, *mut *mut GstBuffer> for Buffer

unsafe fn from_glib_none_as_vec(ptr: *mut *mut GstBuffer) -> Vec<Self>

unsafe fn from_glib_container_as_vec(ptr: *mut *mut GstBuffer) -> Vec<Self>

unsafe fn from_glib_full_as_vec(ptr: *mut *mut GstBuffer) -> Vec<Self>

impl FromGlibPtrBorrow<*const GstBuffer> for Buffer

unsafe fn from_glib_borrow(ptr: *const GstBuffer) -> Borrowed<Self>

Safety

impl FromGlibPtrBorrow<*mut GstBuffer> for Buffer

unsafe fn from_glib_borrow(ptr: *mut GstBuffer) -> Borrowed<Self>

Safety

impl FromGlibPtrFull<*const GstBuffer> for Buffer

unsafe fn from_glib_full(ptr: *const GstBuffer) -> Self

Safety

impl FromGlibPtrFull<*mut GstBuffer> for Buffer

unsafe fn from_glib_full(ptr: *mut GstBuffer) -> Self

Safety

impl FromGlibPtrNone<*const GstBuffer> for Buffer

unsafe fn from_glib_none(ptr: *const GstBuffer) -> Self

Safety

impl FromGlibPtrNone<*mut GstBuffer> for Buffer

unsafe fn from_glib_none(ptr: *mut GstBuffer) -> Self

Safety

impl<'a> FromValueOptional<'a> for Buffer

unsafe fn from_value_optional(v: &'a Value) -> Option<Self>

Safety

impl GlibPtrDefault for Buffer

type GlibType = *mut GstBuffer

impl PartialEq<Buffer> for Buffer

fn eq(&self, other: &Buffer) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl Send for Buffer

impl<'a> Serialize for Buffer

fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error>

Serialize this value into the given Serde serializer.

impl SetValue for Buffer

unsafe fn set_value(v: &mut Value, s: &Self)

Safety

impl SetValueOptional for Buffer

unsafe fn set_value_optional(v: &mut Value, s: Option<&Self>)

Safety

impl StaticType for Buffer

fn static_type() -> Type

Returns the type identifier of Self.

impl Sync for Buffer

impl<'a> ToGlibContainerFromSlice<'a, *const *mut GstBuffer> for Buffer

type Storage = (Vec<Stash<'a, *mut GstBuffer, Buffer>>, Option<Vec<*mut GstBuffer>>)

fn to_glib_none_from_slice(
    t: &'a [Buffer]
) -> (*const *mut GstBuffer, Self::Storage)

fn to_glib_container_from_slice(
    _: &'a [Buffer]
) -> (*const *mut GstBuffer, Self::Storage)

fn to_glib_full_from_slice(_: &[Buffer]) -> *const *mut GstBuffer

impl<'a> ToGlibContainerFromSlice<'a, *mut *mut GstBuffer> for Buffer

type Storage = (Vec<Stash<'a, *mut GstBuffer, Self>>, Option<Vec<*mut GstBuffer>>)

fn to_glib_none_from_slice(
    t: &'a [Buffer]
) -> (*mut *mut GstBuffer, Self::Storage)

fn to_glib_container_from_slice(
    t: &'a [Buffer]
) -> (*mut *mut GstBuffer, Self::Storage)

fn to_glib_full_from_slice(t: &[Buffer]) -> *mut *mut GstBuffer

impl<'a> ToGlibPtr<'a, *const GstBuffer> for Buffer

type Storage = &'a Self

fn to_glib_none(&'a self) -> Stash<'a, *const GstBuffer, Self>

Transfer: none.

fn to_glib_full(&self) -> *const GstBuffer

Transfer: full.

fn to_glib_container(&'a self) -> Stash<'a, P, Self>

Transfer: container.

impl<'a> ToGlibPtr<'a, *mut GstBuffer> for Buffer

type Storage = &'a Self

fn to_glib_none(&'a self) -> Stash<'a, *mut GstBuffer, Self>

Transfer: none.

fn to_glib_full(&self) -> *mut GstBuffer

Transfer: full.

fn to_glib_container(&'a self) -> Stash<'a, P, Self>

Transfer: container.

impl<'a> ToGlibPtrMut<'a, *mut GstBuffer> for Buffer

type Storage = &'a mut Self

fn to_glib_none_mut(&'a mut self) -> StashMut<'_, *mut GstBuffer, Self>

Transfer: none.