mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
synced 2024-11-28 20:41:31 +00:00
765 lines
23 KiB
Rust
765 lines
23 KiB
Rust
// Take a look at the license at the top of the repository in the LICENSE file.
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use glib::translate::{from_glib, Borrowed, FromGlibPtrNone, ToGlibPtr};
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use std::fmt;
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use std::marker::PhantomData;
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use std::mem;
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use std::ops;
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use std::ptr;
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use std::slice;
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pub enum Readable {}
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pub enum Writable {}
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pub struct AudioBuffer<T> {
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// Has to be boxed because it contains self-references
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audio_buffer: Box<ffi::GstAudioBuffer>,
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buffer: Option<gst::Buffer>,
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info: crate::AudioInfo,
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phantom: PhantomData<T>,
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}
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unsafe impl<T> Send for AudioBuffer<T> {}
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unsafe impl<T> Sync for AudioBuffer<T> {}
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impl<T> fmt::Debug for AudioBuffer<T> {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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f.debug_struct("AudioBuffer")
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.field("audio_buffer", &self.audio_buffer)
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.field("buffer", &self.buffer)
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.field("info", &self.info)
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.field("phantom", &self.phantom)
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.finish()
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}
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}
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impl<T> AudioBuffer<T> {
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pub fn info(&self) -> &crate::AudioInfo {
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&self.info
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}
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pub fn into_buffer(mut self) -> gst::Buffer {
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self.buffer.take().unwrap()
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}
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pub fn format(&self) -> crate::AudioFormat {
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self.info().format()
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}
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pub fn format_info(&self) -> crate::AudioFormatInfo {
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self.info().format_info()
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}
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pub fn channels(&self) -> u32 {
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self.info().channels()
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}
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pub fn rate(&self) -> u32 {
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self.info().rate()
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}
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pub fn layout(&self) -> crate::AudioLayout {
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self.info().layout()
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}
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pub fn width(&self) -> u32 {
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self.info().width()
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}
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pub fn depth(&self) -> u32 {
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self.info().depth()
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}
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pub fn sample_stride(&self) -> u32 {
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self.info().width() / 8
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}
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pub fn bps(&self) -> u32 {
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self.info().bps()
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}
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pub fn bpf(&self) -> u32 {
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self.info().bpf()
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}
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pub fn n_samples(&self) -> usize {
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self.audio_buffer.n_samples
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}
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pub fn n_planes(&self) -> u32 {
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self.audio_buffer.n_planes as u32
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}
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pub fn plane_size(&self) -> usize {
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(self.n_samples() as usize * self.sample_stride() as usize * self.channels() as usize)
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/ self.n_planes() as usize
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}
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pub fn buffer(&self) -> &gst::BufferRef {
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unsafe { gst::BufferRef::from_ptr(self.audio_buffer.buffer) }
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}
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pub fn plane_data(&self, plane: u32) -> Result<&[u8], glib::BoolError> {
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if plane >= self.n_planes() {
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return Err(glib::bool_error!(
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"Plane index higher than number of planes"
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));
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}
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unsafe {
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Ok(slice::from_raw_parts(
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(*self.audio_buffer.planes.add(plane as usize)) as *const u8,
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self.plane_size(),
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))
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}
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}
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pub fn as_audio_buffer_ref(&self) -> AudioBufferRef<&gst::BufferRef> {
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let info = self.info.clone();
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AudioBufferRef {
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audio_buffer: AudioBufferPtr::Borrowed(ptr::NonNull::from(&*self.audio_buffer)),
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buffer: Some(self.buffer()),
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info,
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unmap: false,
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}
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}
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pub fn as_ptr(&self) -> *const ffi::GstAudioBuffer {
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&*self.audio_buffer
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}
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}
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impl<T> Drop for AudioBuffer<T> {
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fn drop(&mut self) {
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unsafe {
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ffi::gst_audio_buffer_unmap(&mut *self.audio_buffer);
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}
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}
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}
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impl AudioBuffer<Readable> {
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pub fn from_buffer_readable(
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buffer: gst::Buffer,
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info: &crate::AudioInfo,
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) -> Result<Self, gst::Buffer> {
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skip_assert_initialized!();
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assert!(info.is_valid());
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unsafe {
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let mut audio_buffer = Box::new(mem::MaybeUninit::zeroed().assume_init());
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let res: bool = from_glib(ffi::gst_audio_buffer_map(
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&mut *audio_buffer,
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info.to_glib_none().0 as *mut _,
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buffer.to_glib_none().0,
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gst::ffi::GST_MAP_READ,
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));
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if !res {
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Err(buffer)
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} else {
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let info = crate::AudioInfo::from_glib_none(
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&audio_buffer.info as *const _ as *mut ffi::GstAudioInfo,
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);
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Ok(Self {
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audio_buffer,
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buffer: Some(buffer),
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info,
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phantom: PhantomData,
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})
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}
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}
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}
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}
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impl AudioBuffer<Writable> {
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pub fn from_buffer_writable(
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buffer: gst::Buffer,
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info: &crate::AudioInfo,
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) -> Result<Self, gst::Buffer> {
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skip_assert_initialized!();
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assert!(info.is_valid());
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unsafe {
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let mut audio_buffer = Box::new(mem::MaybeUninit::zeroed().assume_init());
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let res: bool = from_glib(ffi::gst_audio_buffer_map(
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&mut *audio_buffer,
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info.to_glib_none().0 as *mut _,
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buffer.to_glib_none().0,
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gst::ffi::GST_MAP_READ | gst::ffi::GST_MAP_WRITE,
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));
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if !res {
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Err(buffer)
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} else {
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let info = crate::AudioInfo::from_glib_none(
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&audio_buffer.info as *const _ as *mut ffi::GstAudioInfo,
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);
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Ok(Self {
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audio_buffer,
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buffer: Some(buffer),
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info,
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phantom: PhantomData,
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})
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}
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}
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}
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pub fn buffer_mut(&mut self) -> &mut gst::BufferRef {
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unsafe { gst::BufferRef::from_mut_ptr(self.audio_buffer.buffer) }
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}
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pub fn plane_data_mut(&mut self, plane: u32) -> Result<&mut [u8], glib::BoolError> {
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if plane >= self.n_planes() {
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return Err(glib::bool_error!(
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"Plane index higher than number of planes"
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));
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}
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unsafe {
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Ok(slice::from_raw_parts_mut(
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(*self.audio_buffer.planes.add(plane as usize)) as *mut u8,
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self.plane_size(),
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))
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}
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}
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pub fn as_mut_audio_buffer_ref(&mut self) -> AudioBufferRef<&mut gst::BufferRef> {
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let info = self.info.clone();
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AudioBufferRef {
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audio_buffer: AudioBufferPtr::Borrowed(ptr::NonNull::from(&mut *self.audio_buffer)),
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buffer: Some(self.buffer_mut()),
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info,
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unmap: false,
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}
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}
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pub fn as_mut_ptr(&mut self) -> *mut ffi::GstAudioBuffer {
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&mut *self.audio_buffer
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}
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}
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#[derive(Debug)]
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enum AudioBufferPtr {
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Owned(Box<ffi::GstAudioBuffer>),
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Borrowed(ptr::NonNull<ffi::GstAudioBuffer>),
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}
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impl ops::Deref for AudioBufferPtr {
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type Target = ffi::GstAudioBuffer;
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fn deref(&self) -> &Self::Target {
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match self {
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Self::Owned(ref b) => &*b,
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Self::Borrowed(ref b) => unsafe { b.as_ref() },
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}
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}
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}
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impl ops::DerefMut for AudioBufferPtr {
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fn deref_mut(&mut self) -> &mut Self::Target {
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match self {
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Self::Owned(ref mut b) => &mut *b,
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Self::Borrowed(ref mut b) => unsafe { b.as_mut() },
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}
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}
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}
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#[derive(Debug)]
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pub struct AudioBufferRef<T> {
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// Has to be boxed because it contains self-references
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audio_buffer: AudioBufferPtr,
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buffer: Option<T>,
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info: crate::AudioInfo,
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unmap: bool,
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}
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impl<T> AudioBufferRef<T> {
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pub fn info(&self) -> &crate::AudioInfo {
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&self.info
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}
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pub fn format(&self) -> crate::AudioFormat {
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self.info().format()
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}
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pub fn format_info(&self) -> crate::AudioFormatInfo {
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self.info().format_info()
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}
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pub fn channels(&self) -> u32 {
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self.info().channels()
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}
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pub fn rate(&self) -> u32 {
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self.info().rate()
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}
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pub fn layout(&self) -> crate::AudioLayout {
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self.info().layout()
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}
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pub fn width(&self) -> u32 {
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self.info().width()
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}
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pub fn depth(&self) -> u32 {
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self.info().depth()
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}
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pub fn sample_stride(&self) -> u32 {
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self.info().width() / 8
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}
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pub fn bps(&self) -> u32 {
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self.info().bps()
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}
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pub fn bpf(&self) -> u32 {
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self.info().bpf()
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}
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pub fn n_samples(&self) -> usize {
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self.audio_buffer.n_samples
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}
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pub fn n_planes(&self) -> u32 {
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self.audio_buffer.n_planes as u32
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}
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pub fn plane_size(&self) -> usize {
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(self.n_samples() as usize * self.sample_stride() as usize * self.channels() as usize)
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/ self.n_planes() as usize
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}
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pub fn plane_data(&self, plane: u32) -> Result<&[u8], glib::BoolError> {
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if plane >= self.n_planes() {
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return Err(glib::bool_error!(
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"Plane index higher than number of planes"
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));
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}
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if self.plane_size() == 0 {
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return Ok(&[]);
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}
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unsafe {
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Ok(slice::from_raw_parts(
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(*self.audio_buffer.planes.add(plane as usize)) as *const u8,
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self.plane_size(),
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))
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}
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}
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pub fn as_ptr(&self) -> *const ffi::GstAudioBuffer {
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&*self.audio_buffer
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}
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}
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impl<'a> AudioBufferRef<&'a gst::BufferRef> {
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pub unsafe fn from_glib_borrow(audio_buffer: *const ffi::GstAudioBuffer) -> Borrowed<Self> {
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assert!(!audio_buffer.is_null());
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let info = crate::AudioInfo::from_glib_none(
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&(*audio_buffer).info as *const _ as *mut ffi::GstAudioInfo,
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);
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let buffer = gst::BufferRef::from_ptr((*audio_buffer).buffer);
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Borrowed::new(Self {
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audio_buffer: AudioBufferPtr::Borrowed(ptr::NonNull::new_unchecked(
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audio_buffer as *mut _,
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)),
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buffer: Some(buffer),
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info,
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unmap: false,
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})
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}
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pub fn from_buffer_ref_readable<'b>(
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buffer: &'a gst::BufferRef,
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info: &'b crate::AudioInfo,
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) -> Result<Self, glib::BoolError> {
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skip_assert_initialized!();
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assert!(info.is_valid());
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unsafe {
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let mut audio_buffer = Box::new(mem::MaybeUninit::zeroed().assume_init());
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let res: bool = from_glib(ffi::gst_audio_buffer_map(
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&mut *audio_buffer,
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info.to_glib_none().0 as *mut _,
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buffer.as_mut_ptr(),
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gst::ffi::GST_MAP_READ,
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));
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if !res {
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Err(glib::bool_error!("Failed to map AudioBuffer"))
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} else {
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let info = crate::AudioInfo::from_glib_none(
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&audio_buffer.info as *const _ as *mut ffi::GstAudioInfo,
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);
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Ok(Self {
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audio_buffer: AudioBufferPtr::Owned(audio_buffer),
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buffer: Some(buffer),
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info,
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unmap: true,
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})
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}
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}
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}
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pub fn buffer(&self) -> &gst::BufferRef {
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self.buffer.as_ref().unwrap()
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}
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}
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impl<'a> AudioBufferRef<&'a mut gst::BufferRef> {
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pub unsafe fn from_glib_borrow_mut(audio_buffer: *mut ffi::GstAudioBuffer) -> Borrowed<Self> {
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assert!(!audio_buffer.is_null());
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let info = crate::AudioInfo::from_glib_none(
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&(*audio_buffer).info as *const _ as *mut ffi::GstAudioInfo,
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);
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let buffer = gst::BufferRef::from_mut_ptr((*audio_buffer).buffer);
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Borrowed::new(Self {
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audio_buffer: AudioBufferPtr::Borrowed(ptr::NonNull::new_unchecked(audio_buffer)),
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buffer: Some(buffer),
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info,
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unmap: false,
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})
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}
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pub fn from_buffer_ref_writable<'b>(
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buffer: &'a mut gst::BufferRef,
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info: &'b crate::AudioInfo,
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) -> Result<Self, glib::BoolError> {
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skip_assert_initialized!();
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assert!(info.is_valid());
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unsafe {
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let mut audio_buffer = Box::new(mem::MaybeUninit::zeroed().assume_init());
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let res: bool = from_glib(ffi::gst_audio_buffer_map(
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&mut *audio_buffer,
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info.to_glib_none().0 as *mut _,
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buffer.as_mut_ptr(),
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gst::ffi::GST_MAP_READ | gst::ffi::GST_MAP_WRITE,
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));
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if !res {
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Err(glib::bool_error!("Failed to map AudioBuffer"))
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} else {
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let info = crate::AudioInfo::from_glib_none(
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&audio_buffer.info as *const _ as *mut ffi::GstAudioInfo,
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);
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Ok(Self {
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audio_buffer: AudioBufferPtr::Owned(audio_buffer),
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buffer: Some(buffer),
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info,
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unmap: true,
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})
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}
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}
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}
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pub fn buffer_mut(&mut self) -> &mut gst::BufferRef {
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self.buffer.as_mut().unwrap()
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}
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pub fn plane_data_mut(&mut self, plane: u32) -> Result<&mut [u8], glib::BoolError> {
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if plane >= self.n_planes() {
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return Err(glib::bool_error!(
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"Plane index higher than number of planes"
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));
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}
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if self.plane_size() == 0 {
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return Ok(&mut []);
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}
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unsafe {
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Ok(slice::from_raw_parts_mut(
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(*self.audio_buffer.planes.add(plane as usize)) as *mut u8,
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self.plane_size(),
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))
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}
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}
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pub fn as_mut_ptr(&mut self) -> *mut ffi::GstAudioBuffer {
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&mut *self.audio_buffer
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}
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}
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impl<'a> ops::Deref for AudioBufferRef<&'a mut gst::BufferRef> {
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type Target = AudioBufferRef<&'a gst::BufferRef>;
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fn deref(&self) -> &Self::Target {
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unsafe { &*(self as *const Self as *const Self::Target) }
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}
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}
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unsafe impl<T> Send for AudioBufferRef<T> {}
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unsafe impl<T> Sync for AudioBufferRef<T> {}
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impl<T> Drop for AudioBufferRef<T> {
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fn drop(&mut self) {
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unsafe {
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if self.unmap {
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ffi::gst_audio_buffer_unmap(&mut *self.audio_buffer);
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}
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}
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_map_read() {
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gst::init().unwrap();
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let info = crate::AudioInfo::builder(crate::AUDIO_FORMAT_S16, 48000, 2)
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.build()
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.unwrap();
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let buffer = gst::Buffer::with_size(info.rate() as usize * info.bpf() as usize).unwrap();
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let buffer = AudioBuffer::from_buffer_readable(buffer, &info).unwrap();
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assert!(buffer.plane_data(0).is_ok());
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assert_eq!(buffer.plane_data(0).unwrap().len(), 2 * 2 * 48000);
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assert!(buffer.plane_data(1).is_err());
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assert!(buffer.info() == &info);
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{
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let buffer = buffer.as_audio_buffer_ref();
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assert!(buffer.plane_data(0).is_ok());
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assert_eq!(buffer.plane_data(0).unwrap().len(), 2 * 2 * 48000);
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assert!(buffer.plane_data(1).is_err());
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assert!(buffer.info() == &info);
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}
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assert!(buffer.plane_data(0).is_ok());
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assert_eq!(buffer.plane_data(0).unwrap().len(), 2 * 2 * 48000);
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assert!(buffer.plane_data(1).is_err());
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assert!(buffer.info() == &info);
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}
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#[test]
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fn test_map_read_planar() {
|
|
gst::init().unwrap();
|
|
|
|
let info = crate::AudioInfo::builder(crate::AUDIO_FORMAT_S16, 48000, 2)
|
|
.layout(crate::AudioLayout::NonInterleaved)
|
|
.build()
|
|
.unwrap();
|
|
let mut buffer =
|
|
gst::Buffer::with_size(info.rate() as usize * info.bpf() as usize).unwrap();
|
|
{
|
|
let buffer = buffer.get_mut().unwrap();
|
|
crate::AudioMeta::add(buffer, &info, 48000, &[]).unwrap();
|
|
}
|
|
let buffer = AudioBuffer::from_buffer_readable(buffer, &info).unwrap();
|
|
|
|
assert!(buffer.plane_data(0).is_ok());
|
|
assert_eq!(buffer.plane_data(0).unwrap().len(), 2 * 48000);
|
|
assert!(buffer.plane_data(1).is_ok());
|
|
assert_eq!(buffer.plane_data(1).unwrap().len(), 2 * 48000);
|
|
assert!(buffer.info() == &info);
|
|
|
|
{
|
|
let buffer = buffer.as_audio_buffer_ref();
|
|
|
|
assert!(buffer.plane_data(0).is_ok());
|
|
assert_eq!(buffer.plane_data(0).unwrap().len(), 2 * 48000);
|
|
assert!(buffer.plane_data(1).is_ok());
|
|
assert_eq!(buffer.plane_data(1).unwrap().len(), 2 * 48000);
|
|
assert!(buffer.info() == &info);
|
|
}
|
|
|
|
assert!(buffer.plane_data(0).is_ok());
|
|
assert_eq!(buffer.plane_data(0).unwrap().len(), 2 * 48000);
|
|
assert!(buffer.plane_data(1).is_ok());
|
|
assert_eq!(buffer.plane_data(1).unwrap().len(), 2 * 48000);
|
|
assert!(buffer.info() == &info);
|
|
}
|
|
|
|
#[test]
|
|
fn test_map_write() {
|
|
gst::init().unwrap();
|
|
|
|
let info = crate::AudioInfo::builder(crate::AUDIO_FORMAT_S16, 48000, 2)
|
|
.build()
|
|
.unwrap();
|
|
let buffer = gst::Buffer::with_size(info.rate() as usize * info.bpf() as usize).unwrap();
|
|
let mut buffer = AudioBuffer::from_buffer_writable(buffer, &info).unwrap();
|
|
|
|
assert!(buffer.plane_data_mut(0).is_ok());
|
|
assert_eq!(buffer.plane_data_mut(0).unwrap().len(), 2 * 2 * 48000);
|
|
assert!(buffer.plane_data_mut(1).is_err());
|
|
assert!(buffer.info() == &info);
|
|
|
|
{
|
|
let mut buffer = buffer.as_mut_audio_buffer_ref();
|
|
|
|
assert!(buffer.plane_data_mut(0).is_ok());
|
|
assert_eq!(buffer.plane_data_mut(0).unwrap().len(), 2 * 2 * 48000);
|
|
assert!(buffer.plane_data_mut(1).is_err());
|
|
assert!(buffer.info() == &info);
|
|
}
|
|
|
|
assert!(buffer.plane_data_mut(0).is_ok());
|
|
assert_eq!(buffer.plane_data_mut(0).unwrap().len(), 2 * 2 * 48000);
|
|
assert!(buffer.plane_data_mut(1).is_err());
|
|
assert!(buffer.info() == &info);
|
|
}
|
|
|
|
#[test]
|
|
fn test_map_write_planar() {
|
|
gst::init().unwrap();
|
|
|
|
let info = crate::AudioInfo::builder(crate::AUDIO_FORMAT_S16, 48000, 2)
|
|
.layout(crate::AudioLayout::NonInterleaved)
|
|
.build()
|
|
.unwrap();
|
|
let mut buffer =
|
|
gst::Buffer::with_size(info.rate() as usize * info.bpf() as usize).unwrap();
|
|
{
|
|
let buffer = buffer.get_mut().unwrap();
|
|
crate::AudioMeta::add(buffer, &info, 48000, &[]).unwrap();
|
|
}
|
|
let mut buffer = AudioBuffer::from_buffer_writable(buffer, &info).unwrap();
|
|
|
|
assert!(buffer.plane_data_mut(0).is_ok());
|
|
assert_eq!(buffer.plane_data_mut(0).unwrap().len(), 2 * 48000);
|
|
assert!(buffer.plane_data_mut(1).is_ok());
|
|
assert_eq!(buffer.plane_data_mut(1).unwrap().len(), 2 * 48000);
|
|
assert!(buffer.info() == &info);
|
|
|
|
{
|
|
let mut buffer = buffer.as_mut_audio_buffer_ref();
|
|
|
|
assert!(buffer.plane_data_mut(0).is_ok());
|
|
assert_eq!(buffer.plane_data_mut(0).unwrap().len(), 2 * 48000);
|
|
assert!(buffer.plane_data_mut(1).is_ok());
|
|
assert_eq!(buffer.plane_data_mut(1).unwrap().len(), 2 * 48000);
|
|
assert!(buffer.info() == &info);
|
|
}
|
|
|
|
assert!(buffer.plane_data_mut(0).is_ok());
|
|
assert_eq!(buffer.plane_data_mut(0).unwrap().len(), 2 * 48000);
|
|
assert!(buffer.plane_data_mut(1).is_ok());
|
|
assert_eq!(buffer.plane_data_mut(1).unwrap().len(), 2 * 48000);
|
|
assert!(buffer.info() == &info);
|
|
}
|
|
|
|
#[test]
|
|
fn test_map_ref_read() {
|
|
gst::init().unwrap();
|
|
|
|
let info = crate::AudioInfo::builder(crate::AUDIO_FORMAT_S16, 48000, 2)
|
|
.build()
|
|
.unwrap();
|
|
let buffer = gst::Buffer::with_size(info.rate() as usize * info.bpf() as usize).unwrap();
|
|
let buffer = AudioBufferRef::from_buffer_ref_readable(&buffer, &info).unwrap();
|
|
|
|
assert!(buffer.plane_data(0).is_ok());
|
|
assert_eq!(buffer.plane_data(0).unwrap().len(), 2 * 2 * 48000);
|
|
assert!(buffer.plane_data(1).is_err());
|
|
assert!(buffer.info() == &info);
|
|
|
|
assert!(buffer.plane_data(0).is_ok());
|
|
assert_eq!(buffer.plane_data(0).unwrap().len(), 2 * 2 * 48000);
|
|
assert!(buffer.plane_data(1).is_err());
|
|
assert!(buffer.info() == &info);
|
|
}
|
|
|
|
#[test]
|
|
fn test_map_ref_read_planar() {
|
|
gst::init().unwrap();
|
|
|
|
let info = crate::AudioInfo::builder(crate::AUDIO_FORMAT_S16, 48000, 2)
|
|
.layout(crate::AudioLayout::NonInterleaved)
|
|
.build()
|
|
.unwrap();
|
|
let mut buffer =
|
|
gst::Buffer::with_size(info.rate() as usize * info.bpf() as usize).unwrap();
|
|
{
|
|
let buffer = buffer.get_mut().unwrap();
|
|
crate::AudioMeta::add(buffer, &info, 48000, &[]).unwrap();
|
|
}
|
|
let buffer = AudioBufferRef::from_buffer_ref_readable(&buffer, &info).unwrap();
|
|
|
|
assert!(buffer.plane_data(0).is_ok());
|
|
assert_eq!(buffer.plane_data(0).unwrap().len(), 2 * 48000);
|
|
assert!(buffer.plane_data(1).is_ok());
|
|
assert_eq!(buffer.plane_data(1).unwrap().len(), 2 * 48000);
|
|
assert!(buffer.info() == &info);
|
|
|
|
assert!(buffer.plane_data(0).is_ok());
|
|
assert_eq!(buffer.plane_data(0).unwrap().len(), 2 * 48000);
|
|
assert!(buffer.plane_data(1).is_ok());
|
|
assert_eq!(buffer.plane_data(1).unwrap().len(), 2 * 48000);
|
|
assert!(buffer.info() == &info);
|
|
}
|
|
|
|
#[test]
|
|
fn test_map_ref_write() {
|
|
gst::init().unwrap();
|
|
|
|
let info = crate::AudioInfo::builder(crate::AUDIO_FORMAT_S16, 48000, 2)
|
|
.build()
|
|
.unwrap();
|
|
let mut buffer =
|
|
gst::Buffer::with_size(info.rate() as usize * info.bpf() as usize).unwrap();
|
|
|
|
{
|
|
let buffer = buffer.get_mut().unwrap();
|
|
let mut buffer = AudioBufferRef::from_buffer_ref_writable(buffer, &info).unwrap();
|
|
|
|
assert!(buffer.plane_data_mut(0).is_ok());
|
|
assert_eq!(buffer.plane_data_mut(0).unwrap().len(), 2 * 2 * 48000);
|
|
assert!(buffer.plane_data_mut(1).is_err());
|
|
assert!(buffer.info() == &info);
|
|
|
|
assert!(buffer.plane_data_mut(0).is_ok());
|
|
assert_eq!(buffer.plane_data_mut(0).unwrap().len(), 2 * 2 * 48000);
|
|
assert!(buffer.plane_data_mut(1).is_err());
|
|
assert!(buffer.info() == &info);
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_map_ref_write_planar() {
|
|
gst::init().unwrap();
|
|
|
|
let info = crate::AudioInfo::builder(crate::AUDIO_FORMAT_S16, 48000, 2)
|
|
.layout(crate::AudioLayout::NonInterleaved)
|
|
.build()
|
|
.unwrap();
|
|
let mut buffer =
|
|
gst::Buffer::with_size(info.rate() as usize * info.bpf() as usize).unwrap();
|
|
{
|
|
let buffer = buffer.get_mut().unwrap();
|
|
crate::AudioMeta::add(buffer, &info, 48000, &[]).unwrap();
|
|
}
|
|
|
|
{
|
|
let buffer = buffer.get_mut().unwrap();
|
|
let mut buffer = AudioBufferRef::from_buffer_ref_writable(buffer, &info).unwrap();
|
|
|
|
assert!(buffer.plane_data_mut(0).is_ok());
|
|
assert_eq!(buffer.plane_data_mut(0).unwrap().len(), 2 * 48000);
|
|
assert!(buffer.plane_data_mut(1).is_ok());
|
|
assert_eq!(buffer.plane_data_mut(1).unwrap().len(), 2 * 48000);
|
|
assert!(buffer.info() == &info);
|
|
|
|
assert!(buffer.plane_data_mut(0).is_ok());
|
|
assert_eq!(buffer.plane_data_mut(0).unwrap().len(), 2 * 48000);
|
|
assert!(buffer.plane_data_mut(1).is_ok());
|
|
assert_eq!(buffer.plane_data_mut(1).unwrap().len(), 2 * 48000);
|
|
assert!(buffer.info() == &info);
|
|
}
|
|
}
|
|
}
|