forked from mirrors/gstreamer-rs
1145 lines
33 KiB
Rust
1145 lines
33 KiB
Rust
// Copyright (C) 2016-2017 Sebastian Dröge <sebastian@centricular.com>
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use GenericFormattedValue;
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use ffi;
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use miniobject::*;
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use structure::*;
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use std::ffi::CStr;
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use std::fmt;
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use std::mem;
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use std::ops::{Deref, DerefMut};
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use std::ptr;
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use glib;
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use glib::translate::*;
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#[repr(C)]
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pub struct QueryRef(ffi::GstQuery);
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unsafe impl Send for QueryRef {}
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unsafe impl Sync for QueryRef {}
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pub type Query = GstRc<QueryRef>;
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unsafe impl MiniObject for QueryRef {
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type GstType = ffi::GstQuery;
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}
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impl GstRc<QueryRef> {
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pub fn new_position(fmt: ::Format) -> Position<Self> {
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assert_initialized_main_thread!();
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unsafe { Position::<Self>(from_glib_full(ffi::gst_query_new_position(fmt.to_glib()))) }
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}
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pub fn new_duration(fmt: ::Format) -> Duration<Self> {
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assert_initialized_main_thread!();
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unsafe { Duration::<Self>(from_glib_full(ffi::gst_query_new_duration(fmt.to_glib()))) }
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}
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pub fn new_latency() -> Latency<Self> {
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assert_initialized_main_thread!();
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unsafe { Latency::<Self>(from_glib_full(ffi::gst_query_new_latency())) }
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}
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pub fn new_seeking(fmt: ::Format) -> Seeking<Self> {
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assert_initialized_main_thread!();
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unsafe { Seeking::<Self>(from_glib_full(ffi::gst_query_new_seeking(fmt.to_glib()))) }
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}
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pub fn new_segment(fmt: ::Format) -> Segment<Self> {
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assert_initialized_main_thread!();
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unsafe { Segment::<Self>(from_glib_full(ffi::gst_query_new_segment(fmt.to_glib()))) }
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}
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pub fn new_convert<V: Into<GenericFormattedValue>>(
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value: V,
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dest_fmt: ::Format,
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) -> Convert<Self> {
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assert_initialized_main_thread!();
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let value = value.into();
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unsafe {
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Convert::<Self>(from_glib_full(ffi::gst_query_new_convert(
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value.get_format().to_glib(),
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value.get_value(),
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dest_fmt.to_glib(),
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)))
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}
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}
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pub fn new_formats() -> Formats<Self> {
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assert_initialized_main_thread!();
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unsafe { Formats::<Self>(from_glib_full(ffi::gst_query_new_formats())) }
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}
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pub fn new_buffering(fmt: ::Format) -> Buffering<Self> {
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assert_initialized_main_thread!();
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unsafe { Buffering::<Self>(from_glib_full(ffi::gst_query_new_buffering(fmt.to_glib()))) }
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}
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pub fn new_custom(structure: ::Structure) -> Custom<Self> {
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assert_initialized_main_thread!();
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unsafe {
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Custom::<Self>(from_glib_full(ffi::gst_query_new_custom(
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ffi::GST_QUERY_CUSTOM,
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structure.into_ptr(),
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)))
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}
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}
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pub fn new_uri() -> Uri<Self> {
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assert_initialized_main_thread!();
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unsafe { Uri::<Self>(from_glib_full(ffi::gst_query_new_uri())) }
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}
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pub fn new_scheduling() -> Scheduling<Self> {
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assert_initialized_main_thread!();
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unsafe { Scheduling::<Self>(from_glib_full(ffi::gst_query_new_scheduling())) }
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}
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pub fn new_accept_caps(caps: &::Caps) -> AcceptCaps<Self> {
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assert_initialized_main_thread!();
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unsafe {
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AcceptCaps::<Self>(from_glib_full(ffi::gst_query_new_accept_caps(
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caps.as_mut_ptr(),
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)))
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}
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}
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pub fn new_caps<'a, P: Into<Option<&'a ::Caps>>>(filter: P) -> Caps<Self> {
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assert_initialized_main_thread!();
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let filter = filter.into();
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unsafe {
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Caps::<Self>(from_glib_full(ffi::gst_query_new_caps(
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filter.to_glib_none().0,
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)))
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}
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}
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pub fn new_drain() -> Drain<Self> {
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assert_initialized_main_thread!();
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unsafe { Drain::<Self>(from_glib_full(ffi::gst_query_new_drain())) }
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}
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pub fn new_context(context_type: &str) -> Context<Self> {
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assert_initialized_main_thread!();
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unsafe {
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Context::<Self>(from_glib_full(ffi::gst_query_new_context(
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context_type.to_glib_none().0,
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)))
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}
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}
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}
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impl QueryRef {
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pub fn get_structure(&self) -> Option<&StructureRef> {
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unsafe {
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let structure = ffi::gst_query_get_structure(self.as_mut_ptr());
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if structure.is_null() {
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None
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} else {
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Some(StructureRef::from_glib_borrow(structure))
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}
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}
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}
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pub fn get_mut_structure(&mut self) -> &mut StructureRef {
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unsafe {
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let structure = ffi::gst_query_writable_structure(self.as_mut_ptr());
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StructureRef::from_glib_borrow_mut(structure)
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}
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}
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pub fn is_downstream(&self) -> bool {
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unsafe { ((*self.as_ptr()).type_ as u32) & ffi::GST_QUERY_TYPE_DOWNSTREAM != 0 }
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}
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pub fn is_upstream(&self) -> bool {
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unsafe { ((*self.as_ptr()).type_ as u32) & ffi::GST_QUERY_TYPE_UPSTREAM != 0 }
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}
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pub fn is_serialized(&self) -> bool {
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unsafe { ((*self.as_ptr()).type_ as u32) & ffi::GST_QUERY_TYPE_SERIALIZED != 0 }
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}
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pub fn view(&self) -> QueryView<&Self> {
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let type_ = unsafe { (*self.as_ptr()).type_ };
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match type_ {
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ffi::GST_QUERY_POSITION => QueryView::Position(Position(self)),
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ffi::GST_QUERY_DURATION => QueryView::Duration(Duration(self)),
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ffi::GST_QUERY_LATENCY => QueryView::Latency(Latency(self)),
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ffi::GST_QUERY_JITTER => QueryView::Jitter(Jitter(self)),
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ffi::GST_QUERY_RATE => QueryView::Rate(Rate(self)),
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ffi::GST_QUERY_SEEKING => QueryView::Seeking(Seeking(self)),
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ffi::GST_QUERY_SEGMENT => QueryView::Segment(Segment(self)),
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ffi::GST_QUERY_CONVERT => QueryView::Convert(Convert(self)),
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ffi::GST_QUERY_FORMATS => QueryView::Formats(Formats(self)),
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ffi::GST_QUERY_BUFFERING => QueryView::Buffering(Buffering(self)),
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ffi::GST_QUERY_CUSTOM => QueryView::Custom(Custom(self)),
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ffi::GST_QUERY_URI => QueryView::Uri(Uri(self)),
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ffi::GST_QUERY_ALLOCATION => QueryView::Allocation(Allocation(self)),
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ffi::GST_QUERY_SCHEDULING => QueryView::Scheduling(Scheduling(self)),
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ffi::GST_QUERY_ACCEPT_CAPS => QueryView::AcceptCaps(AcceptCaps(self)),
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ffi::GST_QUERY_CAPS => QueryView::Caps(Caps(self)),
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ffi::GST_QUERY_DRAIN => QueryView::Drain(Drain(self)),
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ffi::GST_QUERY_CONTEXT => QueryView::Context(Context(self)),
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_ => QueryView::Other(Other(self)),
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}
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}
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pub fn view_mut(&mut self) -> QueryView<&mut Self> {
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unsafe { mem::transmute(self.view()) }
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}
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}
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impl glib::types::StaticType for QueryRef {
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fn static_type() -> glib::types::Type {
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unsafe { from_glib(ffi::gst_query_get_type()) }
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}
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}
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impl fmt::Debug for QueryRef {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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f.debug_struct("Query")
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.field("type", &unsafe {
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let type_ = ffi::gst_query_type_get_name((*self.as_ptr()).type_);
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CStr::from_ptr(type_).to_str().unwrap()
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})
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.field("structure", &self.get_structure())
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.finish()
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}
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}
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pub unsafe trait AsPtr {
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unsafe fn as_ptr(&self) -> *mut ffi::GstQuery;
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}
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pub unsafe trait AsMutPtr: AsPtr {
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unsafe fn as_mut_ptr(&self) -> *mut ffi::GstQuery;
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}
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unsafe impl AsPtr for Query {
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unsafe fn as_ptr(&self) -> *mut ffi::GstQuery {
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self.as_ref().as_ptr() as *mut ffi::GstQuery
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}
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}
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unsafe impl AsMutPtr for Query {
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unsafe fn as_mut_ptr(&self) -> *mut ffi::GstQuery {
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self.as_ref().as_mut_ptr()
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}
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}
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unsafe impl<'a> AsPtr for &'a QueryRef {
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unsafe fn as_ptr(&self) -> *mut ffi::GstQuery {
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MiniObject::as_ptr(self as &QueryRef) as *mut ffi::GstQuery
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}
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}
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unsafe impl<'a> AsPtr for &'a mut QueryRef {
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unsafe fn as_ptr(&self) -> *mut ffi::GstQuery {
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MiniObject::as_ptr(self as &QueryRef) as *mut ffi::GstQuery
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}
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}
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unsafe impl<'a> AsMutPtr for &'a mut QueryRef {
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unsafe fn as_mut_ptr(&self) -> *mut ffi::GstQuery {
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MiniObject::as_mut_ptr(self as &QueryRef) as *mut ffi::GstQuery
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}
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}
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#[derive(Debug)]
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pub enum QueryView<T> {
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Position(Position<T>),
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Duration(Duration<T>),
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Latency(Latency<T>),
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Jitter(Jitter<T>),
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Rate(Rate<T>),
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Seeking(Seeking<T>),
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Segment(Segment<T>),
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Convert(Convert<T>),
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Formats(Formats<T>),
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Buffering(Buffering<T>),
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Custom(Custom<T>),
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Uri(Uri<T>),
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Allocation(Allocation<T>),
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Scheduling(Scheduling<T>),
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AcceptCaps(AcceptCaps<T>),
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Caps(Caps<T>),
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Drain(Drain<T>),
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Context(Context<T>),
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Other(Other<T>),
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__NonExhaustive,
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}
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macro_rules! declare_concrete_query(
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($name:ident, $param:ident) => {
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#[derive(Debug)]
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pub struct $name<$param>($param);
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impl<'a> $name<&'a QueryRef> {
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pub fn get_query(&self) -> &QueryRef {
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self.0
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}
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}
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impl<'a> Deref for $name<&'a QueryRef> {
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type Target = QueryRef;
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fn deref(&self) -> &Self::Target {
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self.0
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}
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}
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impl<'a> Deref for $name<&'a mut QueryRef> {
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type Target = $name<&'a QueryRef>;
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fn deref(&self) -> &Self::Target {
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unsafe {
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mem::transmute(self)
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}
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}
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}
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impl<'a> $name<&'a mut QueryRef> {
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pub fn get_mut_query(&mut self) -> &mut QueryRef {
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self.0
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}
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}
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impl Deref for $name<Query> {
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type Target = QueryRef;
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fn deref(&self) -> &Self::Target {
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&self.0
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}
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}
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impl DerefMut for $name<Query> {
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fn deref_mut(&mut self) -> &mut Self::Target {
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self.0.get_mut().unwrap()
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}
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}
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impl From<$name<Query>> for Query {
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fn from(concrete: $name<Query>) -> Self {
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unsafe { from_glib_none(concrete.0.as_mut_ptr()) }
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}
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}
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}
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);
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declare_concrete_query!(Position, T);
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impl<T: AsPtr> Position<T> {
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pub fn get_result(&self) -> GenericFormattedValue {
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unsafe {
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let mut fmt = mem::uninitialized();
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let mut pos = mem::uninitialized();
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ffi::gst_query_parse_position(self.0.as_ptr(), &mut fmt, &mut pos);
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GenericFormattedValue::new(from_glib(fmt), pos)
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}
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}
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pub fn get_format(&self) -> ::Format {
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unsafe {
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let mut fmt = mem::uninitialized();
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ffi::gst_query_parse_position(self.0.as_ptr(), &mut fmt, ptr::null_mut());
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from_glib(fmt)
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}
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}
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}
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impl<T: AsMutPtr> Position<T> {
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pub fn set<V: Into<GenericFormattedValue>>(&mut self, pos: V) {
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let pos = pos.into();
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assert_eq!(pos.get_format(), self.get_format());
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unsafe {
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ffi::gst_query_set_position(
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self.0.as_mut_ptr(),
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pos.get_format().to_glib(),
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pos.get_value(),
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);
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}
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}
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}
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declare_concrete_query!(Duration, T);
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impl<T: AsPtr> Duration<T> {
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pub fn get_result(&self) -> GenericFormattedValue {
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unsafe {
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let mut fmt = mem::uninitialized();
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let mut pos = mem::uninitialized();
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ffi::gst_query_parse_duration(self.0.as_ptr(), &mut fmt, &mut pos);
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GenericFormattedValue::new(from_glib(fmt), pos)
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}
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}
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pub fn get_format(&self) -> ::Format {
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unsafe {
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let mut fmt = mem::uninitialized();
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ffi::gst_query_parse_duration(self.0.as_ptr(), &mut fmt, ptr::null_mut());
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from_glib(fmt)
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}
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}
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}
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impl<T: AsMutPtr> Duration<T> {
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pub fn set<V: Into<GenericFormattedValue>>(&mut self, dur: V) {
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let dur = dur.into();
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assert_eq!(dur.get_format(), self.get_format());
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unsafe {
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ffi::gst_query_set_duration(
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self.0.as_mut_ptr(),
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dur.get_format().to_glib(),
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dur.get_value(),
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);
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}
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}
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}
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declare_concrete_query!(Latency, T);
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impl<T: AsPtr> Latency<T> {
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pub fn get_result(&self) -> (bool, ::ClockTime, ::ClockTime) {
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unsafe {
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let mut live = mem::uninitialized();
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let mut min = mem::uninitialized();
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let mut max = mem::uninitialized();
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ffi::gst_query_parse_latency(self.0.as_ptr(), &mut live, &mut min, &mut max);
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(from_glib(live), from_glib(min), from_glib(max))
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}
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}
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}
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impl<T: AsMutPtr> Latency<T> {
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pub fn set(&mut self, live: bool, min: ::ClockTime, max: ::ClockTime) {
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unsafe {
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ffi::gst_query_set_latency(
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self.0.as_mut_ptr(),
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live.to_glib(),
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min.to_glib(),
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max.to_glib(),
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);
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}
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}
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}
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declare_concrete_query!(Jitter, T);
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declare_concrete_query!(Rate, T);
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declare_concrete_query!(Seeking, T);
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impl<T: AsPtr> Seeking<T> {
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pub fn get_result(&self) -> (bool, GenericFormattedValue, GenericFormattedValue) {
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unsafe {
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let mut fmt = mem::uninitialized();
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let mut seekable = mem::uninitialized();
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let mut start = mem::uninitialized();
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let mut end = mem::uninitialized();
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ffi::gst_query_parse_seeking(
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self.0.as_ptr(),
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&mut fmt,
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&mut seekable,
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&mut start,
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&mut end,
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);
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(
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from_glib(seekable),
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GenericFormattedValue::new(from_glib(fmt), start),
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GenericFormattedValue::new(from_glib(fmt), end),
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)
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}
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}
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pub fn get_format(&self) -> ::Format {
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unsafe {
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let mut fmt = mem::uninitialized();
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ffi::gst_query_parse_seeking(
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self.0.as_ptr(),
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&mut fmt,
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ptr::null_mut(),
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ptr::null_mut(),
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ptr::null_mut(),
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);
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from_glib(fmt)
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}
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}
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}
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impl<T: AsMutPtr> Seeking<T> {
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pub fn set<V: Into<GenericFormattedValue>>(&mut self, seekable: bool, start: V, end: V) {
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let start = start.into();
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let end = end.into();
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assert_eq!(self.get_format(), start.get_format());
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assert_eq!(start.get_format(), end.get_format());
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unsafe {
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ffi::gst_query_set_seeking(
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self.0.as_mut_ptr(),
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start.get_format().to_glib(),
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seekable.to_glib(),
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start.get_value(),
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end.get_value(),
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);
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}
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}
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}
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declare_concrete_query!(Segment, T);
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impl<T: AsPtr> Segment<T> {
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pub fn get_result(&self) -> (f64, GenericFormattedValue, GenericFormattedValue) {
|
|
unsafe {
|
|
let mut rate = mem::uninitialized();
|
|
let mut fmt = mem::uninitialized();
|
|
let mut start = mem::uninitialized();
|
|
let mut stop = mem::uninitialized();
|
|
|
|
ffi::gst_query_parse_segment(
|
|
self.0.as_ptr(),
|
|
&mut rate,
|
|
&mut fmt,
|
|
&mut start,
|
|
&mut stop,
|
|
);
|
|
(
|
|
rate,
|
|
GenericFormattedValue::new(from_glib(fmt), start),
|
|
GenericFormattedValue::new(from_glib(fmt), stop),
|
|
)
|
|
}
|
|
}
|
|
|
|
pub fn get_format(&self) -> ::Format {
|
|
unsafe {
|
|
let mut fmt = mem::uninitialized();
|
|
|
|
ffi::gst_query_parse_segment(
|
|
self.0.as_ptr(),
|
|
ptr::null_mut(),
|
|
&mut fmt,
|
|
ptr::null_mut(),
|
|
ptr::null_mut(),
|
|
);
|
|
from_glib(fmt)
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<T: AsMutPtr> Segment<T> {
|
|
pub fn set<V: Into<GenericFormattedValue>>(&mut self, rate: f64, start: V, stop: V) {
|
|
let start = start.into();
|
|
let stop = stop.into();
|
|
|
|
assert_eq!(start.get_format(), stop.get_format());
|
|
|
|
unsafe {
|
|
ffi::gst_query_set_segment(
|
|
self.0.as_mut_ptr(),
|
|
rate,
|
|
start.get_format().to_glib(),
|
|
start.get_value(),
|
|
stop.get_value(),
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
declare_concrete_query!(Convert, T);
|
|
impl<T: AsPtr> Convert<T> {
|
|
pub fn get_result(&self) -> (GenericFormattedValue, GenericFormattedValue) {
|
|
unsafe {
|
|
let mut src_fmt = mem::uninitialized();
|
|
let mut src = mem::uninitialized();
|
|
let mut dest_fmt = mem::uninitialized();
|
|
let mut dest = mem::uninitialized();
|
|
|
|
ffi::gst_query_parse_convert(
|
|
self.0.as_ptr(),
|
|
&mut src_fmt,
|
|
&mut src,
|
|
&mut dest_fmt,
|
|
&mut dest,
|
|
);
|
|
(
|
|
GenericFormattedValue::new(from_glib(src_fmt), src),
|
|
GenericFormattedValue::new(from_glib(dest_fmt), dest),
|
|
)
|
|
}
|
|
}
|
|
|
|
pub fn get(&self) -> (GenericFormattedValue, ::Format) {
|
|
unsafe {
|
|
let mut src_fmt = mem::uninitialized();
|
|
let mut src = mem::uninitialized();
|
|
let mut dest_fmt = mem::uninitialized();
|
|
|
|
ffi::gst_query_parse_convert(
|
|
self.0.as_ptr(),
|
|
&mut src_fmt,
|
|
&mut src,
|
|
&mut dest_fmt,
|
|
ptr::null_mut(),
|
|
);
|
|
(
|
|
GenericFormattedValue::new(from_glib(src_fmt), src),
|
|
from_glib(dest_fmt),
|
|
)
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<T: AsMutPtr> Convert<T> {
|
|
pub fn set<V: Into<GenericFormattedValue>>(&mut self, src: V, dest: V) {
|
|
let src = src.into();
|
|
let dest = dest.into();
|
|
|
|
unsafe {
|
|
ffi::gst_query_set_convert(
|
|
self.0.as_mut_ptr(),
|
|
src.get_format().to_glib(),
|
|
src.get_value(),
|
|
dest.get_format().to_glib(),
|
|
dest.get_value(),
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
declare_concrete_query!(Formats, T);
|
|
impl<T: AsPtr> Formats<T> {
|
|
pub fn get_result(&self) -> Vec<::Format> {
|
|
unsafe {
|
|
let mut n = mem::uninitialized();
|
|
ffi::gst_query_parse_n_formats(self.0.as_ptr(), &mut n);
|
|
let mut res = Vec::with_capacity(n as usize);
|
|
|
|
for i in 0..n {
|
|
let mut fmt = mem::uninitialized();
|
|
ffi::gst_query_parse_nth_format(self.0.as_ptr(), i, &mut fmt);
|
|
res.push(from_glib(fmt));
|
|
}
|
|
|
|
res
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<T: AsMutPtr> Formats<T> {
|
|
pub fn set(&mut self, formats: &[::Format]) {
|
|
unsafe {
|
|
let v: Vec<_> = formats.iter().map(|f| f.to_glib()).collect();
|
|
ffi::gst_query_set_formatsv(self.0.as_mut_ptr(), v.len() as i32, v.as_ptr() as *mut _);
|
|
}
|
|
}
|
|
}
|
|
|
|
declare_concrete_query!(Buffering, T);
|
|
impl<T: AsPtr> Buffering<T> {
|
|
pub fn get_format(&self) -> ::Format {
|
|
unsafe {
|
|
let mut fmt = mem::uninitialized();
|
|
|
|
ffi::gst_query_parse_buffering_range(
|
|
self.0.as_ptr(),
|
|
&mut fmt,
|
|
ptr::null_mut(),
|
|
ptr::null_mut(),
|
|
ptr::null_mut(),
|
|
);
|
|
|
|
from_glib(fmt)
|
|
}
|
|
}
|
|
|
|
pub fn get_percent(&self) -> (bool, i32) {
|
|
unsafe {
|
|
let mut busy = mem::uninitialized();
|
|
let mut percent = mem::uninitialized();
|
|
|
|
ffi::gst_query_parse_buffering_percent(self.0.as_ptr(), &mut busy, &mut percent);
|
|
|
|
(from_glib(busy), percent)
|
|
}
|
|
}
|
|
|
|
pub fn get_range(&self) -> (GenericFormattedValue, GenericFormattedValue, i64) {
|
|
unsafe {
|
|
let mut fmt = mem::uninitialized();
|
|
let mut start = mem::uninitialized();
|
|
let mut stop = mem::uninitialized();
|
|
let mut estimated_total = mem::uninitialized();
|
|
|
|
ffi::gst_query_parse_buffering_range(
|
|
self.0.as_ptr(),
|
|
&mut fmt,
|
|
&mut start,
|
|
&mut stop,
|
|
&mut estimated_total,
|
|
);
|
|
(
|
|
GenericFormattedValue::new(from_glib(fmt), start),
|
|
GenericFormattedValue::new(from_glib(fmt), stop),
|
|
estimated_total,
|
|
)
|
|
}
|
|
}
|
|
|
|
pub fn get_stats(&self) -> (::BufferingMode, i32, i32, i64) {
|
|
unsafe {
|
|
let mut mode = mem::uninitialized();
|
|
let mut avg_in = mem::uninitialized();
|
|
let mut avg_out = mem::uninitialized();
|
|
let mut buffering_left = mem::uninitialized();
|
|
|
|
ffi::gst_query_parse_buffering_stats(
|
|
self.0.as_ptr(),
|
|
&mut mode,
|
|
&mut avg_in,
|
|
&mut avg_out,
|
|
&mut buffering_left,
|
|
);
|
|
|
|
(from_glib(mode), avg_in, avg_out, buffering_left)
|
|
}
|
|
}
|
|
|
|
pub fn get_ranges(&self) -> Vec<(GenericFormattedValue, GenericFormattedValue)> {
|
|
unsafe {
|
|
let mut fmt = mem::uninitialized();
|
|
ffi::gst_query_parse_buffering_range(
|
|
self.0.as_ptr(),
|
|
&mut fmt,
|
|
ptr::null_mut(),
|
|
ptr::null_mut(),
|
|
ptr::null_mut(),
|
|
);
|
|
let fmt = from_glib(fmt);
|
|
|
|
let n = ffi::gst_query_get_n_buffering_ranges(self.0.as_ptr());
|
|
let mut res = Vec::with_capacity(n as usize);
|
|
for i in 0..n {
|
|
let mut start = mem::uninitialized();
|
|
let mut stop = mem::uninitialized();
|
|
let s: bool = from_glib(ffi::gst_query_parse_nth_buffering_range(
|
|
self.0.as_ptr(),
|
|
i,
|
|
&mut start,
|
|
&mut stop,
|
|
));
|
|
if s {
|
|
res.push((
|
|
GenericFormattedValue::new(fmt, start),
|
|
GenericFormattedValue::new(fmt, stop),
|
|
));
|
|
}
|
|
}
|
|
|
|
res
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<T: AsMutPtr> Buffering<T> {
|
|
pub fn set_percent(&mut self, busy: bool, percent: i32) {
|
|
unsafe {
|
|
ffi::gst_query_set_buffering_percent(self.0.as_mut_ptr(), busy.to_glib(), percent);
|
|
}
|
|
}
|
|
|
|
pub fn set_range<V: Into<GenericFormattedValue>>(
|
|
&mut self,
|
|
start: V,
|
|
stop: V,
|
|
estimated_total: i64,
|
|
) {
|
|
let start = start.into();
|
|
let stop = stop.into();
|
|
|
|
assert_eq!(self.get_format(), start.get_format());
|
|
assert_eq!(start.get_format(), stop.get_format());
|
|
|
|
unsafe {
|
|
ffi::gst_query_set_buffering_range(
|
|
self.0.as_mut_ptr(),
|
|
start.get_format().to_glib(),
|
|
start.get_value(),
|
|
stop.get_value(),
|
|
estimated_total,
|
|
);
|
|
}
|
|
}
|
|
|
|
pub fn set_stats(
|
|
&mut self,
|
|
mode: ::BufferingMode,
|
|
avg_in: i32,
|
|
avg_out: i32,
|
|
buffering_left: i64,
|
|
) {
|
|
skip_assert_initialized!();
|
|
unsafe {
|
|
ffi::gst_query_set_buffering_stats(
|
|
self.0.as_mut_ptr(),
|
|
mode.to_glib(),
|
|
avg_in,
|
|
avg_out,
|
|
buffering_left,
|
|
);
|
|
}
|
|
}
|
|
|
|
pub fn add_buffering_ranges<V: Into<GenericFormattedValue> + Copy>(
|
|
&mut self,
|
|
ranges: &[(V, V)],
|
|
) {
|
|
unsafe {
|
|
let fmt = self.get_format();
|
|
|
|
for &(start, stop) in ranges {
|
|
let start = start.into();
|
|
let stop = stop.into();
|
|
assert_eq!(start.get_format(), fmt);
|
|
assert_eq!(stop.get_format(), fmt);
|
|
ffi::gst_query_add_buffering_range(
|
|
self.0.as_mut_ptr(),
|
|
start.get_value(),
|
|
stop.get_value(),
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
declare_concrete_query!(Custom, T);
|
|
|
|
declare_concrete_query!(Uri, T);
|
|
impl<T: AsPtr> Uri<T> {
|
|
pub fn get_uri(&self) -> Option<String> {
|
|
unsafe {
|
|
let mut uri = ptr::null_mut();
|
|
ffi::gst_query_parse_uri(self.0.as_ptr(), &mut uri);
|
|
from_glib_full(uri)
|
|
}
|
|
}
|
|
|
|
pub fn get_redirection(&self) -> (Option<String>, bool) {
|
|
unsafe {
|
|
let mut uri = ptr::null_mut();
|
|
ffi::gst_query_parse_uri_redirection(self.0.as_ptr(), &mut uri);
|
|
let mut permanent = mem::uninitialized();
|
|
ffi::gst_query_parse_uri_redirection_permanent(self.0.as_ptr(), &mut permanent);
|
|
|
|
(from_glib_full(uri), from_glib(permanent))
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<T: AsMutPtr> Uri<T> {
|
|
pub fn set_uri<'b, U: Into<&'b str>>(&mut self, uri: U) {
|
|
let uri = uri.into();
|
|
unsafe {
|
|
ffi::gst_query_set_uri(self.0.as_mut_ptr(), uri.to_glib_none().0);
|
|
}
|
|
}
|
|
|
|
pub fn set_redirection<'b, U: Into<&'b str>>(&mut self, uri: U, permanent: bool) {
|
|
let uri = uri.into();
|
|
unsafe {
|
|
ffi::gst_query_set_uri_redirection(self.0.as_mut_ptr(), uri.to_glib_none().0);
|
|
ffi::gst_query_set_uri_redirection_permanent(self.0.as_mut_ptr(), permanent.to_glib());
|
|
}
|
|
}
|
|
}
|
|
|
|
// TODO
|
|
declare_concrete_query!(Allocation, T);
|
|
|
|
declare_concrete_query!(Scheduling, T);
|
|
impl<T: AsPtr> Scheduling<T> {
|
|
pub fn has_scheduling_mode(&self, mode: ::PadMode) -> bool {
|
|
unsafe {
|
|
from_glib(ffi::gst_query_has_scheduling_mode(
|
|
self.0.as_ptr(),
|
|
mode.to_glib(),
|
|
))
|
|
}
|
|
}
|
|
|
|
pub fn has_scheduling_mode_with_flags(
|
|
&self,
|
|
mode: ::PadMode,
|
|
flags: ::SchedulingFlags,
|
|
) -> bool {
|
|
skip_assert_initialized!();
|
|
unsafe {
|
|
from_glib(ffi::gst_query_has_scheduling_mode_with_flags(
|
|
self.0.as_ptr(),
|
|
mode.to_glib(),
|
|
flags.to_glib(),
|
|
))
|
|
}
|
|
}
|
|
|
|
pub fn get_scheduling_modes(&self) -> Vec<::PadMode> {
|
|
unsafe {
|
|
let n = ffi::gst_query_get_n_scheduling_modes(self.0.as_ptr());
|
|
let mut res = Vec::with_capacity(n as usize);
|
|
for i in 0..n {
|
|
res.push(from_glib(ffi::gst_query_parse_nth_scheduling_mode(
|
|
self.0.as_ptr(),
|
|
i,
|
|
)));
|
|
}
|
|
|
|
res
|
|
}
|
|
}
|
|
|
|
pub fn get_result(&self) -> (::SchedulingFlags, i32, i32, i32) {
|
|
unsafe {
|
|
let mut flags = mem::uninitialized();
|
|
let mut minsize = mem::uninitialized();
|
|
let mut maxsize = mem::uninitialized();
|
|
let mut align = mem::uninitialized();
|
|
|
|
ffi::gst_query_parse_scheduling(
|
|
self.0.as_ptr(),
|
|
&mut flags,
|
|
&mut minsize,
|
|
&mut maxsize,
|
|
&mut align,
|
|
);
|
|
|
|
(from_glib(flags), minsize, maxsize, align)
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<T: AsMutPtr> Scheduling<T> {
|
|
pub fn add_scheduling_modes(&mut self, modes: &[::PadMode]) {
|
|
unsafe {
|
|
for mode in modes {
|
|
ffi::gst_query_add_scheduling_mode(self.0.as_mut_ptr(), mode.to_glib());
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn set(&mut self, flags: ::SchedulingFlags, minsize: i32, maxsize: i32, align: i32) {
|
|
unsafe {
|
|
ffi::gst_query_set_scheduling(
|
|
self.0.as_mut_ptr(),
|
|
flags.to_glib(),
|
|
minsize,
|
|
maxsize,
|
|
align,
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
declare_concrete_query!(AcceptCaps, T);
|
|
impl<T: AsPtr> AcceptCaps<T> {
|
|
pub fn get_caps(&self) -> &::CapsRef {
|
|
unsafe {
|
|
let mut caps = ptr::null_mut();
|
|
ffi::gst_query_parse_accept_caps(self.0.as_ptr(), &mut caps);
|
|
::CapsRef::from_ptr(caps)
|
|
}
|
|
}
|
|
|
|
pub fn get_result(&self) -> bool {
|
|
unsafe {
|
|
let mut accepted = mem::uninitialized();
|
|
ffi::gst_query_parse_accept_caps_result(self.0.as_ptr(), &mut accepted);
|
|
from_glib(accepted)
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<T: AsMutPtr> AcceptCaps<T> {
|
|
pub fn set_result(&mut self, accepted: bool) {
|
|
unsafe {
|
|
ffi::gst_query_set_accept_caps_result(self.0.as_mut_ptr(), accepted.to_glib());
|
|
}
|
|
}
|
|
}
|
|
|
|
declare_concrete_query!(Caps, T);
|
|
impl<T: AsPtr> Caps<T> {
|
|
pub fn get_filter(&self) -> Option<&::CapsRef> {
|
|
unsafe {
|
|
let mut caps = ptr::null_mut();
|
|
ffi::gst_query_parse_caps(self.0.as_ptr(), &mut caps);
|
|
if caps.is_null() {
|
|
None
|
|
} else {
|
|
Some(::CapsRef::from_ptr(caps))
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn get_result(&self) -> Option<&::CapsRef> {
|
|
unsafe {
|
|
let mut caps = ptr::null_mut();
|
|
ffi::gst_query_parse_caps_result(self.0.as_ptr(), &mut caps);
|
|
if caps.is_null() {
|
|
None
|
|
} else {
|
|
Some(::CapsRef::from_ptr(caps))
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<T: AsMutPtr> Caps<T> {
|
|
pub fn set_result(&mut self, caps: &::Caps) {
|
|
unsafe {
|
|
ffi::gst_query_set_caps_result(self.0.as_mut_ptr(), caps.as_mut_ptr());
|
|
}
|
|
}
|
|
}
|
|
|
|
declare_concrete_query!(Drain, T);
|
|
|
|
declare_concrete_query!(Context, T);
|
|
impl<T: AsPtr> Context<T> {
|
|
pub fn get_context(&self) -> Option<&::ContextRef> {
|
|
unsafe {
|
|
let mut context = ptr::null_mut();
|
|
ffi::gst_query_parse_context(self.0.as_ptr(), &mut context);
|
|
if context.is_null() {
|
|
None
|
|
} else {
|
|
Some(::ContextRef::from_ptr(context))
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn get_context_type(&self) -> &str {
|
|
unsafe {
|
|
let mut context_type = ptr::null();
|
|
ffi::gst_query_parse_context_type(self.0.as_ptr(), &mut context_type);
|
|
CStr::from_ptr(context_type).to_str().unwrap()
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<T: AsMutPtr> Context<T> {
|
|
pub fn set_context(&mut self, context: &::Context) {
|
|
unsafe {
|
|
ffi::gst_query_set_context(self.0.as_mut_ptr(), context.as_mut_ptr());
|
|
}
|
|
}
|
|
}
|
|
|
|
declare_concrete_query!(Other, T);
|
|
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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_writability() {
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::init().unwrap();
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fn check_mut(query: &mut QueryRef) {
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match query.view_mut() {
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QueryView::Position(ref mut p) => {
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let pos = p.get_result();
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assert_eq!(pos.try_into_time(), Ok(::CLOCK_TIME_NONE));
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p.set(3 * ::SECOND);
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let pos = p.get_result();
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assert_eq!(pos.try_into_time(), Ok(3 * ::SECOND));
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}
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_ => panic!("Wrong concrete Query in Query"),
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}
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}
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fn check_ref(query: &QueryRef) {
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match query.view() {
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QueryView::Position(ref p) => {
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let pos = p.get_result();
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assert_eq!(pos.try_into_time(), Ok(3 * ::SECOND));
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unsafe {
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assert!(!p.as_mut_ptr().is_null());
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}
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}
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_ => panic!("Wrong concrete Query in Query"),
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}
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}
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let mut p = Query::new_position(::Format::Time);
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let pos = p.get_result();
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assert_eq!(pos.try_into_time(), Ok(::CLOCK_TIME_NONE));
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p.get_mut_structure().set("check_mut", &true);
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// deref
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assert!(!p.is_serialized());
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{
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check_mut(&mut p);
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let structure = p.get_structure();
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structure.unwrap().has_field("check_mut");
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// Expected: cannot borrow `p` as mutable because it is also borrowed as immutable
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//check_mut(&mut p);
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}
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check_ref(&p);
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}
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#[test]
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fn test_into_query() {
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::init().unwrap();
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let d = Query::new_duration(::Format::Time);
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let mut query: Query = d.into();
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assert!(query.is_writable());
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let query = query.make_mut();
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match query.view_mut() {
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QueryView::Duration(ref mut d) => {
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d.set(2 * ::SECOND);
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}
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_ => (),
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}
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match query.view() {
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QueryView::Duration(ref d) => {
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let duration = d.get_result();
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assert_eq!(duration.try_into_time(), Ok(2 * ::SECOND));
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}
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_ => (),
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}
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}
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#[test]
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fn test_concrete_to_ffi() {
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::init().unwrap();
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let p = Query::new_position(::Format::Time);
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unsafe {
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assert!(!p.as_mut_ptr().is_null());
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}
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}
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}
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