gstreamer-rs/gstreamer/src/message.rs
2019-01-22 16:55:59 +02:00

2406 lines
66 KiB
Rust

// Copyright (C) 2016-2017 Sebastian Dröge <sebastian@centricular.com>
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use ffi;
use miniobject::*;
use structure::*;
use GenericFormattedValue;
use GroupId;
use GstObjectExt;
use Object;
use Seqnum;
use TagList;
use std::ffi::CStr;
use std::fmt;
use std::mem;
use std::ops::Deref;
use std::ptr;
use glib;
use glib::translate::{from_glib, from_glib_full, from_glib_none, mut_override, ToGlib, ToGlibPtr};
use glib::value::ToSendValue;
use glib::Cast;
use glib::IsA;
gst_define_mini_object_wrapper!(Message, MessageRef, ffi::GstMessage, [Debug,], || {
ffi::gst_message_get_type()
});
impl MessageRef {
pub fn get_src(&self) -> Option<Object> {
unsafe { from_glib_none((*self.as_ptr()).src) }
}
pub fn get_seqnum(&self) -> Seqnum {
unsafe { from_glib(ffi::gst_message_get_seqnum(self.as_mut_ptr())) }
}
pub fn get_structure(&self) -> Option<&StructureRef> {
unsafe {
let structure = ffi::gst_message_get_structure(self.as_mut_ptr());
if structure.is_null() {
None
} else {
Some(StructureRef::from_glib_borrow(structure))
}
}
}
pub fn view(&self) -> MessageView {
let type_ = unsafe { (*self.as_ptr()).type_ };
match type_ {
ffi::GST_MESSAGE_EOS => MessageView::Eos(Eos(self)),
ffi::GST_MESSAGE_ERROR => MessageView::Error(Error(self)),
ffi::GST_MESSAGE_WARNING => MessageView::Warning(Warning(self)),
ffi::GST_MESSAGE_INFO => MessageView::Info(Info(self)),
ffi::GST_MESSAGE_TAG => MessageView::Tag(Tag(self)),
ffi::GST_MESSAGE_BUFFERING => MessageView::Buffering(Buffering(self)),
ffi::GST_MESSAGE_STATE_CHANGED => MessageView::StateChanged(StateChanged(self)),
ffi::GST_MESSAGE_STATE_DIRTY => MessageView::StateDirty(StateDirty(self)),
ffi::GST_MESSAGE_STEP_DONE => MessageView::StepDone(StepDone(self)),
ffi::GST_MESSAGE_CLOCK_PROVIDE => MessageView::ClockProvide(ClockProvide(self)),
ffi::GST_MESSAGE_CLOCK_LOST => MessageView::ClockLost(ClockLost(self)),
ffi::GST_MESSAGE_NEW_CLOCK => MessageView::NewClock(NewClock(self)),
ffi::GST_MESSAGE_STRUCTURE_CHANGE => {
MessageView::StructureChange(StructureChange(self))
}
ffi::GST_MESSAGE_STREAM_STATUS => MessageView::StreamStatus(StreamStatus(self)),
ffi::GST_MESSAGE_APPLICATION => MessageView::Application(Application(self)),
ffi::GST_MESSAGE_ELEMENT => MessageView::Element(Element(self)),
ffi::GST_MESSAGE_SEGMENT_START => MessageView::SegmentStart(SegmentStart(self)),
ffi::GST_MESSAGE_SEGMENT_DONE => MessageView::SegmentDone(SegmentDone(self)),
ffi::GST_MESSAGE_DURATION_CHANGED => {
MessageView::DurationChanged(DurationChanged(self))
}
ffi::GST_MESSAGE_LATENCY => MessageView::Latency(Latency(self)),
ffi::GST_MESSAGE_ASYNC_START => MessageView::AsyncStart(AsyncStart(self)),
ffi::GST_MESSAGE_ASYNC_DONE => MessageView::AsyncDone(AsyncDone(self)),
ffi::GST_MESSAGE_REQUEST_STATE => MessageView::RequestState(RequestState(self)),
ffi::GST_MESSAGE_STEP_START => MessageView::StepStart(StepStart(self)),
ffi::GST_MESSAGE_QOS => MessageView::Qos(Qos(self)),
ffi::GST_MESSAGE_PROGRESS => MessageView::Progress(Progress(self)),
ffi::GST_MESSAGE_TOC => MessageView::Toc(Toc(self)),
ffi::GST_MESSAGE_RESET_TIME => MessageView::ResetTime(ResetTime(self)),
ffi::GST_MESSAGE_STREAM_START => MessageView::StreamStart(StreamStart(self)),
ffi::GST_MESSAGE_NEED_CONTEXT => MessageView::NeedContext(NeedContext(self)),
ffi::GST_MESSAGE_HAVE_CONTEXT => MessageView::HaveContext(HaveContext(self)),
ffi::GST_MESSAGE_DEVICE_ADDED => MessageView::DeviceAdded(DeviceAdded(self)),
ffi::GST_MESSAGE_DEVICE_REMOVED => MessageView::DeviceRemoved(DeviceRemoved(self)),
ffi::GST_MESSAGE_PROPERTY_NOTIFY => MessageView::PropertyNotify(PropertyNotify(self)),
ffi::GST_MESSAGE_STREAM_COLLECTION => {
MessageView::StreamCollection(StreamCollection(self))
}
ffi::GST_MESSAGE_STREAMS_SELECTED => {
MessageView::StreamsSelected(StreamsSelected(self))
}
_ => MessageView::Other,
}
}
}
impl Message {
pub fn new_eos<'a>() -> EosBuilder<'a> {
assert_initialized_main_thread!();
EosBuilder::new()
}
pub fn new_error<T: MessageErrorDomain>(error: T, message: &str) -> ErrorBuilder<T> {
assert_initialized_main_thread!();
ErrorBuilder::new(error, message)
}
pub fn new_warning<T: MessageErrorDomain>(error: T, message: &str) -> WarningBuilder<T> {
assert_initialized_main_thread!();
WarningBuilder::new(error, message)
}
pub fn new_info<T: MessageErrorDomain>(error: T, message: &str) -> InfoBuilder<T> {
assert_initialized_main_thread!();
InfoBuilder::new(error, message)
}
pub fn new_tag(tags: &TagList) -> TagBuilder {
assert_initialized_main_thread!();
TagBuilder::new(tags)
}
pub fn new_buffering<'a>(percent: i32) -> BufferingBuilder<'a> {
assert_initialized_main_thread!();
BufferingBuilder::new(percent)
}
pub fn new_state_changed<'a>(
old: ::State,
new: ::State,
pending: ::State,
) -> StateChangedBuilder<'a> {
assert_initialized_main_thread!();
StateChangedBuilder::new(old, new, pending)
}
pub fn new_state_dirty<'a>() -> StateDirtyBuilder<'a> {
assert_initialized_main_thread!();
StateDirtyBuilder::new()
}
pub fn new_step_done<'a, V: Into<GenericFormattedValue>>(
amount: V,
rate: f64,
flush: bool,
intermediate: bool,
duration: V,
eos: bool,
) -> StepDoneBuilder<'a> {
assert_initialized_main_thread!();
StepDoneBuilder::new(
amount.into(),
rate,
flush,
intermediate,
duration.into(),
eos,
)
}
pub fn new_clock_provide(clock: &::Clock, ready: bool) -> ClockProvideBuilder {
assert_initialized_main_thread!();
ClockProvideBuilder::new(clock, ready)
}
pub fn new_clock_lost(clock: &::Clock) -> ClockLostBuilder {
assert_initialized_main_thread!();
ClockLostBuilder::new(clock)
}
pub fn new_new_clock(clock: &::Clock) -> NewClockBuilder {
assert_initialized_main_thread!();
NewClockBuilder::new(clock)
}
pub fn new_structure_change(
type_: ::StructureChangeType,
owner: &::Element,
busy: bool,
) -> StructureChangeBuilder {
assert_initialized_main_thread!();
StructureChangeBuilder::new(type_, owner, busy)
}
pub fn new_stream_status(type_: ::StreamStatusType, owner: &::Element) -> StreamStatusBuilder {
assert_initialized_main_thread!();
StreamStatusBuilder::new(type_, owner)
}
pub fn new_application<'a>(structure: ::Structure) -> ApplicationBuilder<'a> {
assert_initialized_main_thread!();
ApplicationBuilder::new(structure)
}
pub fn new_element<'a>(structure: ::Structure) -> ElementBuilder<'a> {
assert_initialized_main_thread!();
ElementBuilder::new(structure)
}
pub fn new_segment_start<'a, V: Into<GenericFormattedValue>>(
position: V,
) -> SegmentStartBuilder<'a> {
assert_initialized_main_thread!();
let position = position.into();
SegmentStartBuilder::new(position)
}
pub fn new_segment_done<'a, V: Into<GenericFormattedValue>>(
position: V,
) -> SegmentDoneBuilder<'a> {
assert_initialized_main_thread!();
let position = position.into();
SegmentDoneBuilder::new(position)
}
pub fn new_duration_changed<'a>() -> DurationChangedBuilder<'a> {
assert_initialized_main_thread!();
DurationChangedBuilder::new()
}
pub fn new_latency<'a>() -> LatencyBuilder<'a> {
assert_initialized_main_thread!();
LatencyBuilder::new()
}
pub fn new_async_start<'a>() -> AsyncStartBuilder<'a> {
assert_initialized_main_thread!();
AsyncStartBuilder::new()
}
pub fn new_async_done<'a>(running_time: ::ClockTime) -> AsyncDoneBuilder<'a> {
assert_initialized_main_thread!();
AsyncDoneBuilder::new(running_time)
}
pub fn new_request_state<'a>(state: ::State) -> RequestStateBuilder<'a> {
assert_initialized_main_thread!();
RequestStateBuilder::new(state)
}
pub fn new_step_start<'a, V: Into<GenericFormattedValue>>(
active: bool,
amount: V,
rate: f64,
flush: bool,
intermediate: bool,
) -> StepStartBuilder<'a> {
assert_initialized_main_thread!();
StepStartBuilder::new(active, amount.into(), rate, flush, intermediate)
}
pub fn new_qos_builder<'a>(
live: bool,
running_time: ::ClockTime,
stream_time: ::ClockTime,
timestamp: ::ClockTime,
duration: ::ClockTime,
) -> QosBuilder<'a> {
assert_initialized_main_thread!();
QosBuilder::new(live, running_time, stream_time, timestamp, duration)
}
pub fn new_progress<'a>(
type_: ::ProgressType,
code: &'a str,
text: &'a str,
) -> ProgressBuilder<'a> {
assert_initialized_main_thread!();
ProgressBuilder::new(type_, code, text)
}
pub fn new_toc(toc: &::Toc, updated: bool) -> TocBuilder {
assert_initialized_main_thread!();
TocBuilder::new(toc, updated)
}
pub fn new_reset_time<'a>(running_time: ::ClockTime) -> ResetTimeBuilder<'a> {
assert_initialized_main_thread!();
ResetTimeBuilder::new(running_time)
}
pub fn new_stream_start<'a>() -> StreamStartBuilder<'a> {
assert_initialized_main_thread!();
StreamStartBuilder::new()
}
pub fn new_need_context(context_type: &str) -> NeedContextBuilder {
assert_initialized_main_thread!();
NeedContextBuilder::new(context_type)
}
pub fn new_have_context<'a>(context: ::Context) -> HaveContextBuilder<'a> {
assert_initialized_main_thread!();
HaveContextBuilder::new(context)
}
pub fn new_device_added(device: &::Device) -> DeviceAddedBuilder {
assert_initialized_main_thread!();
DeviceAddedBuilder::new(device)
}
pub fn new_device_removed(device: &::Device) -> DeviceRemovedBuilder {
assert_initialized_main_thread!();
DeviceRemovedBuilder::new(device)
}
#[cfg(any(feature = "v1_10", feature = "dox"))]
pub fn new_property_notify(property_name: &str) -> PropertyNotifyBuilder {
assert_initialized_main_thread!();
PropertyNotifyBuilder::new(property_name)
}
#[cfg(any(feature = "v1_10", feature = "dox"))]
pub fn new_stream_collection(collection: &::StreamCollection) -> StreamCollectionBuilder {
assert_initialized_main_thread!();
StreamCollectionBuilder::new(collection)
}
#[cfg(any(feature = "v1_10", feature = "dox"))]
pub fn new_streams_selected(collection: &::StreamCollection) -> StreamsSelectedBuilder {
assert_initialized_main_thread!();
StreamsSelectedBuilder::new(collection)
}
#[cfg(any(feature = "v1_10", feature = "dox"))]
pub fn new_redirect(location: &str) -> RedirectBuilder {
assert_initialized_main_thread!();
RedirectBuilder::new(location)
}
}
impl fmt::Debug for MessageRef {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("Message")
.field("ptr", unsafe { &self.as_ptr() })
.field("type", &unsafe {
let type_ = ffi::gst_message_type_get_name((*self.as_ptr()).type_);
CStr::from_ptr(type_).to_str().unwrap()
})
.field("seqnum", &self.get_seqnum())
.field("src", &self.get_src().map(|s| s.get_name()))
.field("structure", &self.get_structure())
.finish()
}
}
#[derive(Debug)]
pub enum MessageView<'a> {
Eos(Eos<'a>),
Error(Error<'a>),
Warning(Warning<'a>),
Info(Info<'a>),
Tag(Tag<'a>),
Buffering(Buffering<'a>),
StateChanged(StateChanged<'a>),
StateDirty(StateDirty<'a>),
StepDone(StepDone<'a>),
ClockProvide(ClockProvide<'a>),
ClockLost(ClockLost<'a>),
NewClock(NewClock<'a>),
StructureChange(StructureChange<'a>),
StreamStatus(StreamStatus<'a>),
Application(Application<'a>),
Element(Element<'a>),
SegmentStart(SegmentStart<'a>),
SegmentDone(SegmentDone<'a>),
DurationChanged(DurationChanged<'a>),
Latency(Latency<'a>),
AsyncStart(AsyncStart<'a>),
AsyncDone(AsyncDone<'a>),
RequestState(RequestState<'a>),
StepStart(StepStart<'a>),
Qos(Qos<'a>),
Progress(Progress<'a>),
Toc(Toc<'a>),
ResetTime(ResetTime<'a>),
StreamStart(StreamStart<'a>),
NeedContext(NeedContext<'a>),
HaveContext(HaveContext<'a>),
DeviceAdded(DeviceAdded<'a>),
DeviceRemoved(DeviceRemoved<'a>),
PropertyNotify(PropertyNotify<'a>),
StreamCollection(StreamCollection<'a>),
StreamsSelected(StreamsSelected<'a>),
Redirect(Redirect<'a>),
Other,
__NonExhaustive,
}
macro_rules! declare_concrete_message(
($name:ident) => {
#[derive(Debug)]
pub struct $name<'a>(&'a MessageRef);
impl<'a> Deref for $name<'a> {
type Target = MessageRef;
fn deref(&self) -> &Self::Target {
self.0
}
}
}
);
declare_concrete_message!(Eos);
declare_concrete_message!(Error);
impl<'a> Error<'a> {
pub fn get_error(&self) -> glib::Error {
unsafe {
let mut error = ptr::null_mut();
ffi::gst_message_parse_error(self.as_mut_ptr(), &mut error, ptr::null_mut());
from_glib_full(error)
}
}
pub fn get_debug(&self) -> Option<String> {
unsafe {
let mut debug = ptr::null_mut();
ffi::gst_message_parse_error(self.as_mut_ptr(), ptr::null_mut(), &mut debug);
from_glib_full(debug)
}
}
#[cfg(any(feature = "v1_10", feature = "dox"))]
pub fn get_details(&self) -> Option<&StructureRef> {
unsafe {
let mut details = ptr::null();
ffi::gst_message_parse_error_details(self.as_mut_ptr(), &mut details);
if details.is_null() {
None
} else {
Some(StructureRef::from_glib_borrow(details))
}
}
}
}
declare_concrete_message!(Warning);
impl<'a> Warning<'a> {
pub fn get_error(&self) -> glib::Error {
unsafe {
let mut error = ptr::null_mut();
ffi::gst_message_parse_warning(self.as_mut_ptr(), &mut error, ptr::null_mut());
from_glib_full(error)
}
}
pub fn get_debug(&self) -> Option<String> {
unsafe {
let mut debug = ptr::null_mut();
ffi::gst_message_parse_warning(self.as_mut_ptr(), ptr::null_mut(), &mut debug);
from_glib_full(debug)
}
}
#[cfg(any(feature = "v1_10", feature = "dox"))]
pub fn get_details(&self) -> Option<&StructureRef> {
unsafe {
let mut details = ptr::null();
ffi::gst_message_parse_error_details(self.as_mut_ptr(), &mut details);
if details.is_null() {
None
} else {
Some(StructureRef::from_glib_borrow(details))
}
}
}
}
declare_concrete_message!(Info);
impl<'a> Info<'a> {
pub fn get_error(&self) -> glib::Error {
unsafe {
let mut error = ptr::null_mut();
ffi::gst_message_parse_info(self.as_mut_ptr(), &mut error, ptr::null_mut());
from_glib_full(error)
}
}
pub fn get_debug(&self) -> Option<String> {
unsafe {
let mut debug = ptr::null_mut();
ffi::gst_message_parse_info(self.as_mut_ptr(), ptr::null_mut(), &mut debug);
from_glib_full(debug)
}
}
#[cfg(any(feature = "v1_10", feature = "dox"))]
pub fn get_details(&self) -> Option<&StructureRef> {
unsafe {
let mut details = ptr::null();
ffi::gst_message_parse_error_details(self.as_mut_ptr(), &mut details);
if details.is_null() {
None
} else {
Some(StructureRef::from_glib_borrow(details))
}
}
}
}
declare_concrete_message!(Tag);
impl<'a> Tag<'a> {
pub fn get_tags(&self) -> TagList {
unsafe {
let mut tags = ptr::null_mut();
ffi::gst_message_parse_tag(self.as_mut_ptr(), &mut tags);
from_glib_full(tags)
}
}
}
declare_concrete_message!(Buffering);
impl<'a> Buffering<'a> {
pub fn get_percent(&self) -> i32 {
unsafe {
let mut p = mem::uninitialized();
ffi::gst_message_parse_buffering(self.as_mut_ptr(), &mut p);
p
}
}
pub fn get_buffering_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_message_parse_buffering_stats(
self.as_mut_ptr(),
&mut mode,
&mut avg_in,
&mut avg_out,
&mut buffering_left,
);
(from_glib(mode), avg_in, avg_out, buffering_left)
}
}
}
declare_concrete_message!(StateChanged);
impl<'a> StateChanged<'a> {
pub fn get_old(&self) -> ::State {
unsafe {
let mut state = mem::uninitialized();
ffi::gst_message_parse_state_changed(
self.as_mut_ptr(),
&mut state,
ptr::null_mut(),
ptr::null_mut(),
);
from_glib(state)
}
}
pub fn get_current(&self) -> ::State {
unsafe {
let mut state = mem::uninitialized();
ffi::gst_message_parse_state_changed(
self.as_mut_ptr(),
ptr::null_mut(),
&mut state,
ptr::null_mut(),
);
from_glib(state)
}
}
pub fn get_pending(&self) -> ::State {
unsafe {
let mut state = mem::uninitialized();
ffi::gst_message_parse_state_changed(
self.as_mut_ptr(),
ptr::null_mut(),
ptr::null_mut(),
&mut state,
);
from_glib(state)
}
}
}
declare_concrete_message!(StateDirty);
declare_concrete_message!(StepDone);
impl<'a> StepDone<'a> {
pub fn get(
&self,
) -> (
GenericFormattedValue,
f64,
bool,
bool,
GenericFormattedValue,
bool,
) {
unsafe {
let mut format = mem::uninitialized();
let mut amount = mem::uninitialized();
let mut rate = mem::uninitialized();
let mut flush = mem::uninitialized();
let mut intermediate = mem::uninitialized();
let mut duration = mem::uninitialized();
let mut eos = mem::uninitialized();
ffi::gst_message_parse_step_done(
self.as_mut_ptr(),
&mut format,
&mut amount,
&mut rate,
&mut flush,
&mut intermediate,
&mut duration,
&mut eos,
);
(
GenericFormattedValue::new(from_glib(format), amount as i64),
rate,
from_glib(flush),
from_glib(intermediate),
GenericFormattedValue::new(from_glib(format), duration as i64),
from_glib(eos),
)
}
}
}
declare_concrete_message!(ClockProvide);
impl<'a> ClockProvide<'a> {
pub fn get_clock(&self) -> Option<::Clock> {
let mut clock = ptr::null_mut();
unsafe {
ffi::gst_message_parse_clock_provide(self.as_mut_ptr(), &mut clock, ptr::null_mut());
from_glib_none(clock)
}
}
pub fn get_ready(&self) -> bool {
unsafe {
let mut ready = mem::uninitialized();
ffi::gst_message_parse_clock_provide(self.as_mut_ptr(), ptr::null_mut(), &mut ready);
from_glib(ready)
}
}
}
declare_concrete_message!(ClockLost);
impl<'a> ClockLost<'a> {
pub fn get_clock(&self) -> Option<::Clock> {
let mut clock = ptr::null_mut();
unsafe {
ffi::gst_message_parse_clock_lost(self.as_mut_ptr(), &mut clock);
from_glib_none(clock)
}
}
}
declare_concrete_message!(NewClock);
impl<'a> NewClock<'a> {
pub fn get_clock(&self) -> Option<::Clock> {
let mut clock = ptr::null_mut();
unsafe {
ffi::gst_message_parse_new_clock(self.as_mut_ptr(), &mut clock);
from_glib_none(clock)
}
}
}
declare_concrete_message!(StructureChange);
impl<'a> StructureChange<'a> {
pub fn get(&self) -> (::StructureChangeType, ::Element, bool) {
unsafe {
let mut type_ = mem::uninitialized();
let mut owner = ptr::null_mut();
let mut busy = mem::uninitialized();
ffi::gst_message_parse_structure_change(
self.as_mut_ptr(),
&mut type_,
&mut owner,
&mut busy,
);
(from_glib(type_), from_glib_none(owner), from_glib(busy))
}
}
}
declare_concrete_message!(StreamStatus);
impl<'a> StreamStatus<'a> {
pub fn get(&self) -> (::StreamStatusType, ::Element) {
unsafe {
let mut type_ = mem::uninitialized();
let mut owner = ptr::null_mut();
ffi::gst_message_parse_stream_status(self.as_mut_ptr(), &mut type_, &mut owner);
(from_glib(type_), from_glib_none(owner))
}
}
pub fn get_stream_status_object(&self) -> Option<glib::Value> {
unsafe {
let value = ffi::gst_message_get_stream_status_object(self.as_mut_ptr());
from_glib_none(value)
}
}
}
declare_concrete_message!(Application);
declare_concrete_message!(Element);
declare_concrete_message!(SegmentStart);
impl<'a> SegmentStart<'a> {
pub fn get(&self) -> GenericFormattedValue {
unsafe {
let mut format = mem::uninitialized();
let mut position = mem::uninitialized();
ffi::gst_message_parse_segment_start(self.as_mut_ptr(), &mut format, &mut position);
GenericFormattedValue::new(from_glib(format), position)
}
}
}
declare_concrete_message!(SegmentDone);
impl<'a> SegmentDone<'a> {
pub fn get(&self) -> GenericFormattedValue {
unsafe {
let mut format = mem::uninitialized();
let mut position = mem::uninitialized();
ffi::gst_message_parse_segment_done(self.as_mut_ptr(), &mut format, &mut position);
GenericFormattedValue::new(from_glib(format), position)
}
}
}
declare_concrete_message!(DurationChanged);
declare_concrete_message!(Latency);
declare_concrete_message!(AsyncStart);
declare_concrete_message!(AsyncDone);
impl<'a> AsyncDone<'a> {
pub fn get_running_time(&self) -> ::ClockTime {
unsafe {
let mut running_time = mem::uninitialized();
ffi::gst_message_parse_async_done(self.as_mut_ptr(), &mut running_time);
from_glib(running_time)
}
}
}
declare_concrete_message!(RequestState);
impl<'a> RequestState<'a> {
pub fn get_requested_state(&self) -> ::State {
unsafe {
let mut state = mem::uninitialized();
ffi::gst_message_parse_request_state(self.as_mut_ptr(), &mut state);
from_glib(state)
}
}
}
declare_concrete_message!(StepStart);
impl<'a> StepStart<'a> {
pub fn get(&self) -> (bool, GenericFormattedValue, f64, bool, bool) {
unsafe {
let mut active = mem::uninitialized();
let mut format = mem::uninitialized();
let mut amount = mem::uninitialized();
let mut rate = mem::uninitialized();
let mut flush = mem::uninitialized();
let mut intermediate = mem::uninitialized();
ffi::gst_message_parse_step_start(
self.as_mut_ptr(),
&mut active,
&mut format,
&mut amount,
&mut rate,
&mut flush,
&mut intermediate,
);
(
from_glib(active),
GenericFormattedValue::new(from_glib(format), amount as i64),
rate,
from_glib(flush),
from_glib(intermediate),
)
}
}
}
declare_concrete_message!(Qos);
impl<'a> Qos<'a> {
pub fn get(&self) -> (bool, ::ClockTime, ::ClockTime, ::ClockTime, ::ClockTime) {
unsafe {
let mut live = mem::uninitialized();
let mut running_time = mem::uninitialized();
let mut stream_time = mem::uninitialized();
let mut timestamp = mem::uninitialized();
let mut duration = mem::uninitialized();
ffi::gst_message_parse_qos(
self.as_mut_ptr(),
&mut live,
&mut running_time,
&mut stream_time,
&mut timestamp,
&mut duration,
);
(
from_glib(live),
from_glib(running_time),
from_glib(stream_time),
from_glib(timestamp),
from_glib(duration),
)
}
}
pub fn get_values(&self) -> (i64, f64, i32) {
unsafe {
let mut jitter = mem::uninitialized();
let mut proportion = mem::uninitialized();
let mut quality = mem::uninitialized();
ffi::gst_message_parse_qos_values(
self.as_mut_ptr(),
&mut jitter,
&mut proportion,
&mut quality,
);
(jitter, proportion, quality)
}
}
pub fn get_stats(&self) -> (GenericFormattedValue, GenericFormattedValue) {
unsafe {
let mut format = mem::uninitialized();
let mut processed = mem::uninitialized();
let mut dropped = mem::uninitialized();
ffi::gst_message_parse_qos_stats(
self.as_mut_ptr(),
&mut format,
&mut processed,
&mut dropped,
);
(
GenericFormattedValue::new(from_glib(format), processed as i64),
GenericFormattedValue::new(from_glib(format), dropped as i64),
)
}
}
}
declare_concrete_message!(Progress);
impl<'a> Progress<'a> {
pub fn get(&self) -> (::ProgressType, &'a str, &'a str) {
unsafe {
let mut type_ = mem::uninitialized();
let mut code = ptr::null_mut();
let mut text = ptr::null_mut();
ffi::gst_message_parse_progress(self.as_mut_ptr(), &mut type_, &mut code, &mut text);
let code = CStr::from_ptr(code).to_str().unwrap();
let text = CStr::from_ptr(text).to_str().unwrap();
(from_glib(type_), code, text)
}
}
}
declare_concrete_message!(Toc);
impl<'a> Toc<'a> {
pub fn get_toc(&self) -> (::Toc, bool) {
unsafe {
let mut toc = ptr::null_mut();
let mut updated = mem::uninitialized();
ffi::gst_message_parse_toc(self.as_mut_ptr(), &mut toc, &mut updated);
(from_glib_full(toc), from_glib(updated))
}
}
}
declare_concrete_message!(ResetTime);
impl<'a> ResetTime<'a> {
pub fn get_running_time(&self) -> ::ClockTime {
unsafe {
let mut running_time = mem::uninitialized();
ffi::gst_message_parse_reset_time(self.as_mut_ptr(), &mut running_time);
from_glib(running_time)
}
}
}
declare_concrete_message!(StreamStart);
impl<'a> StreamStart<'a> {
pub fn get_group_id(&self) -> Option<GroupId> {
unsafe {
let mut group_id = mem::uninitialized();
if from_glib(ffi::gst_message_parse_group_id(
self.as_mut_ptr(),
&mut group_id,
)) {
Some(from_glib(group_id))
} else {
None
}
}
}
}
declare_concrete_message!(NeedContext);
impl<'a> NeedContext<'a> {
pub fn get_context_type(&self) -> &str {
unsafe {
let mut context_type = ptr::null();
ffi::gst_message_parse_context_type(self.as_mut_ptr(), &mut context_type);
CStr::from_ptr(context_type).to_str().unwrap()
}
}
}
declare_concrete_message!(HaveContext);
impl<'a> HaveContext<'a> {
pub fn get_context(&self) -> ::Context {
unsafe {
let mut context = ptr::null_mut();
ffi::gst_message_parse_have_context(self.as_mut_ptr(), &mut context);
from_glib_full(context)
}
}
}
declare_concrete_message!(DeviceAdded);
impl<'a> DeviceAdded<'a> {
pub fn get_device(&self) -> ::Device {
unsafe {
let mut device = ptr::null_mut();
ffi::gst_message_parse_device_added(self.as_mut_ptr(), &mut device);
from_glib_none(device)
}
}
}
declare_concrete_message!(DeviceRemoved);
impl<'a> DeviceRemoved<'a> {
pub fn get_device(&self) -> ::Device {
unsafe {
let mut device = ptr::null_mut();
ffi::gst_message_parse_device_removed(self.as_mut_ptr(), &mut device);
from_glib_none(device)
}
}
}
declare_concrete_message!(PropertyNotify);
impl<'a> PropertyNotify<'a> {
#[cfg(any(feature = "v1_10", feature = "dox"))]
pub fn get(&self) -> (Object, &str, Option<&'a ::Value>) {
unsafe {
let mut object = ptr::null_mut();
let mut property_name = ptr::null();
let mut value = ptr::null();
ffi::gst_message_parse_property_notify(
self.as_mut_ptr(),
&mut object,
&mut property_name,
&mut value,
);
(
from_glib_none(object),
CStr::from_ptr(property_name).to_str().unwrap(),
if value.is_null() {
None
} else {
Some(&*(value as *const glib::Value))
},
)
}
}
}
declare_concrete_message!(StreamCollection);
impl<'a> StreamCollection<'a> {
#[cfg(any(feature = "v1_10", feature = "dox"))]
pub fn get_stream_collection(&self) -> ::StreamCollection {
unsafe {
let mut collection = ptr::null_mut();
ffi::gst_message_parse_stream_collection(self.as_mut_ptr(), &mut collection);
from_glib_full(collection)
}
}
}
declare_concrete_message!(StreamsSelected);
impl<'a> StreamsSelected<'a> {
#[cfg(any(feature = "v1_10", feature = "dox"))]
pub fn get_stream_collection(&self) -> ::StreamCollection {
unsafe {
let mut collection = ptr::null_mut();
ffi::gst_message_parse_streams_selected(self.as_mut_ptr(), &mut collection);
from_glib_full(collection)
}
}
#[cfg(any(feature = "v1_10", feature = "dox"))]
pub fn get_streams(&self) -> Vec<::Stream> {
unsafe {
let n = ffi::gst_message_streams_selected_get_size(self.as_mut_ptr());
(0..n)
.map(|i| {
from_glib_full(ffi::gst_message_streams_selected_get_stream(
self.as_mut_ptr(),
i,
))
})
.collect()
}
}
}
declare_concrete_message!(Redirect);
impl<'a> Redirect<'a> {
#[cfg(any(feature = "v1_10", feature = "dox"))]
pub fn get_entries(&self) -> Vec<(&str, Option<TagList>, Option<&StructureRef>)> {
unsafe {
let n = ffi::gst_message_get_num_redirect_entries(self.as_mut_ptr());
(0..n)
.map(|i| {
let mut location = ptr::null();
let mut tags = ptr::null_mut();
let mut structure = ptr::null();
ffi::gst_message_parse_redirect_entry(
self.as_mut_ptr(),
i,
&mut location,
&mut tags,
&mut structure,
);
let structure = if structure.is_null() {
None
} else {
Some(StructureRef::from_glib_borrow(structure))
};
(
CStr::from_ptr(location).to_str().unwrap(),
from_glib_none(tags),
structure,
)
})
.collect()
}
}
}
struct MessageBuilder<'a> {
src: Option<Object>,
seqnum: Option<Seqnum>,
#[allow(unused)]
other_fields: Vec<(&'a str, &'a ToSendValue)>,
}
impl<'a> MessageBuilder<'a> {
fn new() -> Self {
Self {
src: None,
seqnum: None,
other_fields: Vec::new(),
}
}
pub fn src<O: IsA<Object> + Cast + Clone>(self, src: Option<&O>) -> Self {
Self {
src: src.map(|o| {
let o = (*o).clone();
o.upcast::<Object>()
}),
..self
}
}
fn seqnum(self, seqnum: Seqnum) -> Self {
Self {
seqnum: Some(seqnum),
..self
}
}
#[cfg(any(feature = "v1_14", feature = "dox"))]
fn other_fields(self, other_fields: &[(&'a str, &'a ToSendValue)]) -> Self {
Self {
other_fields: self
.other_fields
.iter()
.cloned()
.chain(other_fields.iter().cloned())
.collect(),
..self
}
}
}
macro_rules! message_builder_generic_impl {
($new_fn:expr) => {
#[cfg_attr(feature = "cargo-clippy", allow(needless_update))]
pub fn src<O: IsA<Object> + Cast + Clone>(self, src: Option<&O>) -> Self {
Self {
builder: self.builder.src(src),
.. self
}
}
#[cfg_attr(feature = "cargo-clippy", allow(needless_update))]
pub fn seqnum(self, seqnum: Seqnum) -> Self {
Self {
builder: self.builder.seqnum(seqnum),
.. self
}
}
#[cfg(any(feature = "v1_14", feature = "dox"))]
#[cfg_attr(feature = "cargo-clippy", allow(needless_update))]
pub fn other_fields(self, other_fields: &[(&'a str, &'a ToSendValue)]) -> Self {
Self {
builder: self.builder.other_fields(other_fields),
.. self
}
}
pub fn build(mut self) -> Message {
assert_initialized_main_thread!();
unsafe {
let src = self.builder.src.to_glib_none().0;
let msg = $new_fn(&mut self, src);
if let Some(seqnum) = self.builder.seqnum {
ffi::gst_message_set_seqnum(msg, seqnum.to_glib());
}
#[cfg(any(feature = "v1_14", feature = "dox"))]
{
if !self.builder.other_fields.is_empty() {
let structure = ffi::gst_message_writable_structure(msg);
if !structure.is_null() {
let structure = StructureRef::from_glib_borrow_mut(structure as *mut _);
for (k, v) in self.builder.other_fields {
structure.set_value(k, v.to_send_value());
}
}
}
}
from_glib_full(msg)
}
}
}
}
pub struct EosBuilder<'a> {
builder: MessageBuilder<'a>,
}
impl<'a> EosBuilder<'a> {
fn new() -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
}
}
message_builder_generic_impl!(|_, src| ffi::gst_message_new_eos(src));
}
pub trait MessageErrorDomain: glib::error::ErrorDomain {}
impl MessageErrorDomain for ::CoreError {}
impl MessageErrorDomain for ::ResourceError {}
impl MessageErrorDomain for ::StreamError {}
impl MessageErrorDomain for ::LibraryError {}
pub struct ErrorBuilder<'a, T> {
builder: MessageBuilder<'a>,
error: T,
message: &'a str,
debug: Option<&'a str>,
#[allow(unused)]
details: Option<Structure>,
}
impl<'a, T: MessageErrorDomain> ErrorBuilder<'a, T> {
fn new(error: T, message: &'a str) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
error,
message,
debug: None,
details: None,
}
}
pub fn debug(self, debug: &'a str) -> Self {
Self {
debug: Some(debug),
..self
}
}
#[cfg(any(feature = "v1_10", feature = "dox"))]
pub fn details(self, details: Structure) -> Self {
Self {
details: Some(details),
..self
}
}
message_builder_generic_impl!(|s: &mut Self, src| {
#[cfg(any(feature = "v1_10", feature = "dox"))]
{
let details = match s.details.take() {
None => ptr::null_mut(),
Some(details) => details.into_ptr(),
};
let error = glib::Error::new(s.error, s.message);
ffi::gst_message_new_error_with_details(
src,
mut_override(error.to_glib_none().0),
s.debug.to_glib_none().0,
details,
)
}
#[cfg(not(any(feature = "v1_10", feature = "dox")))]
{
let error = glib::Error::new(s.error, s.message);
ffi::gst_message_new_error(
src,
mut_override(error.to_glib_none().0),
s.debug.to_glib_none().0,
)
}
});
}
pub struct WarningBuilder<'a, T> {
builder: MessageBuilder<'a>,
error: T,
message: &'a str,
debug: Option<&'a str>,
#[allow(unused)]
details: Option<Structure>,
}
impl<'a, T: MessageErrorDomain> WarningBuilder<'a, T> {
fn new(error: T, message: &'a str) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
error,
message,
debug: None,
details: None,
}
}
pub fn debug(self, debug: &'a str) -> Self {
Self {
debug: Some(debug),
..self
}
}
#[cfg(any(feature = "v1_10", feature = "dox"))]
pub fn details(self, details: Structure) -> Self {
Self {
details: Some(details),
..self
}
}
message_builder_generic_impl!(|s: &mut Self, src| {
#[cfg(any(feature = "v1_10", feature = "dox"))]
{
let details = match s.details.take() {
None => ptr::null_mut(),
Some(details) => details.into_ptr(),
};
let error = glib::Error::new(s.error, s.message);
ffi::gst_message_new_warning_with_details(
src,
mut_override(error.to_glib_none().0),
s.debug.to_glib_none().0,
details,
)
}
#[cfg(not(any(feature = "v1_10", feature = "dox")))]
{
let error = glib::Error::new(s.error, s.message);
ffi::gst_message_new_warning(
src,
mut_override(error.to_glib_none().0),
s.debug.to_glib_none().0,
)
}
});
}
pub struct InfoBuilder<'a, T> {
builder: MessageBuilder<'a>,
error: T,
message: &'a str,
debug: Option<&'a str>,
#[allow(unused)]
details: Option<Structure>,
}
impl<'a, T: MessageErrorDomain> InfoBuilder<'a, T> {
fn new(error: T, message: &'a str) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
error,
message,
debug: None,
details: None,
}
}
pub fn debug(self, debug: &'a str) -> Self {
Self {
debug: Some(debug),
..self
}
}
#[cfg(any(feature = "v1_10", feature = "dox"))]
pub fn details(self, details: Structure) -> Self {
Self {
details: Some(details),
..self
}
}
message_builder_generic_impl!(|s: &mut Self, src| {
#[cfg(any(feature = "v1_10", feature = "dox"))]
{
let details = match s.details.take() {
None => ptr::null_mut(),
Some(details) => details.into_ptr(),
};
let error = glib::Error::new(s.error, s.message);
ffi::gst_message_new_info_with_details(
src,
mut_override(error.to_glib_none().0),
s.debug.to_glib_none().0,
details,
)
}
#[cfg(not(any(feature = "v1_10", feature = "dox")))]
{
let error = glib::Error::new(s.error, s.message);
ffi::gst_message_new_info(
src,
mut_override(error.to_glib_none().0),
s.debug.to_glib_none().0,
)
}
});
}
pub struct TagBuilder<'a> {
builder: MessageBuilder<'a>,
tags: &'a TagList,
}
impl<'a> TagBuilder<'a> {
fn new(tags: &'a TagList) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
tags,
}
}
message_builder_generic_impl!(|s: &Self, src| ffi::gst_message_new_tag(
src,
s.tags.to_glib_full()
));
}
pub struct BufferingBuilder<'a> {
builder: MessageBuilder<'a>,
percent: i32,
stats: Option<(::BufferingMode, i32, i32, i64)>,
}
impl<'a> BufferingBuilder<'a> {
fn new(percent: i32) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
percent,
stats: None,
}
}
pub fn stats(
self,
mode: ::BufferingMode,
avg_in: i32,
avg_out: i32,
buffering_left: i64,
) -> Self {
skip_assert_initialized!();
Self {
stats: Some((mode, avg_in, avg_out, buffering_left)),
..self
}
}
message_builder_generic_impl!(|s: &mut Self, src| {
let msg = ffi::gst_message_new_buffering(src, s.percent);
if let Some((mode, avg_in, avg_out, buffering_left)) = s.stats {
ffi::gst_message_set_buffering_stats(
msg,
mode.to_glib(),
avg_in,
avg_out,
buffering_left,
);
}
msg
});
}
pub struct StateChangedBuilder<'a> {
builder: MessageBuilder<'a>,
old: ::State,
new: ::State,
pending: ::State,
}
impl<'a> StateChangedBuilder<'a> {
fn new(old: ::State, new: ::State, pending: ::State) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
old,
new,
pending,
}
}
message_builder_generic_impl!(|s: &mut Self, src| ffi::gst_message_new_state_changed(
src,
s.old.to_glib(),
s.new.to_glib(),
s.pending.to_glib(),
));
}
pub struct StateDirtyBuilder<'a> {
builder: MessageBuilder<'a>,
}
impl<'a> StateDirtyBuilder<'a> {
fn new() -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
}
}
message_builder_generic_impl!(|_, src| ffi::gst_message_new_state_dirty(src));
}
pub struct StepDoneBuilder<'a> {
builder: MessageBuilder<'a>,
amount: GenericFormattedValue,
rate: f64,
flush: bool,
intermediate: bool,
duration: GenericFormattedValue,
eos: bool,
}
impl<'a> StepDoneBuilder<'a> {
fn new(
amount: GenericFormattedValue,
rate: f64,
flush: bool,
intermediate: bool,
duration: GenericFormattedValue,
eos: bool,
) -> Self {
skip_assert_initialized!();
assert_eq!(amount.get_format(), duration.get_format());
Self {
builder: MessageBuilder::new(),
amount,
rate,
flush,
intermediate,
duration,
eos,
}
}
message_builder_generic_impl!(|s: &mut Self, src| ffi::gst_message_new_step_done(
src,
s.amount.get_format().to_glib(),
s.amount.get_value() as u64,
s.rate,
s.flush.to_glib(),
s.intermediate.to_glib(),
s.duration.get_value() as u64,
s.eos.to_glib(),
));
}
pub struct ClockProvideBuilder<'a> {
builder: MessageBuilder<'a>,
clock: &'a ::Clock,
ready: bool,
}
impl<'a> ClockProvideBuilder<'a> {
fn new(clock: &'a ::Clock, ready: bool) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
clock,
ready,
}
}
message_builder_generic_impl!(|s: &mut Self, src| ffi::gst_message_new_clock_provide(
src,
s.clock.to_glib_none().0,
s.ready.to_glib()
));
}
pub struct ClockLostBuilder<'a> {
builder: MessageBuilder<'a>,
clock: &'a ::Clock,
}
impl<'a> ClockLostBuilder<'a> {
fn new(clock: &'a ::Clock) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
clock,
}
}
message_builder_generic_impl!(|s: &mut Self, src| ffi::gst_message_new_clock_lost(
src,
s.clock.to_glib_none().0
));
}
pub struct NewClockBuilder<'a> {
builder: MessageBuilder<'a>,
clock: &'a ::Clock,
}
impl<'a> NewClockBuilder<'a> {
fn new(clock: &'a ::Clock) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
clock,
}
}
message_builder_generic_impl!(|s: &mut Self, src| ffi::gst_message_new_new_clock(
src,
s.clock.to_glib_none().0
));
}
pub struct StructureChangeBuilder<'a> {
builder: MessageBuilder<'a>,
type_: ::StructureChangeType,
owner: &'a ::Element,
busy: bool,
}
impl<'a> StructureChangeBuilder<'a> {
fn new(type_: ::StructureChangeType, owner: &'a ::Element, busy: bool) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
type_,
owner,
busy,
}
}
message_builder_generic_impl!(|s: &mut Self, src| ffi::gst_message_new_structure_change(
src,
s.type_.to_glib(),
s.owner.to_glib_none().0,
s.busy.to_glib(),
));
}
pub struct StreamStatusBuilder<'a> {
builder: MessageBuilder<'a>,
type_: ::StreamStatusType,
owner: &'a ::Element,
status_object: Option<&'a glib::ToSendValue>,
}
impl<'a> StreamStatusBuilder<'a> {
fn new(type_: ::StreamStatusType, owner: &'a ::Element) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
type_,
owner,
status_object: None,
}
}
pub fn status_object(self, status_object: &'a glib::ToSendValue) -> Self {
Self {
status_object: Some(status_object),
..self
}
}
message_builder_generic_impl!(|s: &mut Self, src| {
let msg =
ffi::gst_message_new_stream_status(src, s.type_.to_glib(), s.owner.to_glib_none().0);
if let Some(status_object) = s.status_object {
ffi::gst_message_set_stream_status_object(
msg,
status_object.to_send_value().to_glib_none().0,
);
}
msg
});
}
pub struct ApplicationBuilder<'a> {
builder: MessageBuilder<'a>,
structure: Option<::Structure>,
}
impl<'a> ApplicationBuilder<'a> {
fn new(structure: ::Structure) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
structure: Some(structure),
}
}
message_builder_generic_impl!(|s: &mut Self, src| ffi::gst_message_new_application(
src,
s.structure.take().unwrap().into_ptr()
));
}
pub struct ElementBuilder<'a> {
builder: MessageBuilder<'a>,
structure: Option<::Structure>,
}
impl<'a> ElementBuilder<'a> {
fn new(structure: ::Structure) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
structure: Some(structure),
}
}
message_builder_generic_impl!(|s: &mut Self, src| ffi::gst_message_new_element(
src,
s.structure.take().unwrap().into_ptr()
));
}
pub struct SegmentStartBuilder<'a> {
builder: MessageBuilder<'a>,
position: GenericFormattedValue,
}
impl<'a> SegmentStartBuilder<'a> {
fn new(position: GenericFormattedValue) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
position,
}
}
message_builder_generic_impl!(|s: &mut Self, src| ffi::gst_message_new_segment_start(
src,
s.position.get_format().to_glib(),
s.position.get_value(),
));
}
pub struct SegmentDoneBuilder<'a> {
builder: MessageBuilder<'a>,
position: GenericFormattedValue,
}
impl<'a> SegmentDoneBuilder<'a> {
fn new(position: GenericFormattedValue) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
position,
}
}
message_builder_generic_impl!(|s: &mut Self, src| ffi::gst_message_new_segment_done(
src,
s.position.get_format().to_glib(),
s.position.get_value(),
));
}
pub struct DurationChangedBuilder<'a> {
builder: MessageBuilder<'a>,
}
impl<'a> DurationChangedBuilder<'a> {
fn new() -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
}
}
message_builder_generic_impl!(|_, src| ffi::gst_message_new_duration_changed(src));
}
pub struct LatencyBuilder<'a> {
builder: MessageBuilder<'a>,
}
impl<'a> LatencyBuilder<'a> {
fn new() -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
}
}
message_builder_generic_impl!(|_, src| ffi::gst_message_new_latency(src));
}
pub struct AsyncStartBuilder<'a> {
builder: MessageBuilder<'a>,
}
impl<'a> AsyncStartBuilder<'a> {
fn new() -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
}
}
message_builder_generic_impl!(|_, src| ffi::gst_message_new_async_start(src));
}
pub struct AsyncDoneBuilder<'a> {
builder: MessageBuilder<'a>,
running_time: ::ClockTime,
}
impl<'a> AsyncDoneBuilder<'a> {
fn new(running_time: ::ClockTime) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
running_time,
}
}
message_builder_generic_impl!(|s: &mut Self, src| ffi::gst_message_new_async_done(
src,
s.running_time.to_glib()
));
}
pub struct RequestStateBuilder<'a> {
builder: MessageBuilder<'a>,
state: ::State,
}
impl<'a> RequestStateBuilder<'a> {
fn new(state: ::State) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
state,
}
}
message_builder_generic_impl!(|s: &mut Self, src| ffi::gst_message_new_request_state(
src,
s.state.to_glib()
));
}
pub struct StepStartBuilder<'a> {
builder: MessageBuilder<'a>,
active: bool,
amount: GenericFormattedValue,
rate: f64,
flush: bool,
intermediate: bool,
}
impl<'a> StepStartBuilder<'a> {
fn new(
active: bool,
amount: GenericFormattedValue,
rate: f64,
flush: bool,
intermediate: bool,
) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
active,
amount,
rate,
flush,
intermediate,
}
}
message_builder_generic_impl!(|s: &mut Self, src| ffi::gst_message_new_step_start(
src,
s.active.to_glib(),
s.amount.get_format().to_glib(),
s.amount.get_value() as u64,
s.rate,
s.flush.to_glib(),
s.intermediate.to_glib(),
));
}
pub struct QosBuilder<'a> {
builder: MessageBuilder<'a>,
live: bool,
running_time: ::ClockTime,
stream_time: ::ClockTime,
timestamp: ::ClockTime,
duration: ::ClockTime,
values: Option<(i64, f64, i32)>,
stats: Option<(GenericFormattedValue, GenericFormattedValue)>,
}
impl<'a> QosBuilder<'a> {
fn new(
live: bool,
running_time: ::ClockTime,
stream_time: ::ClockTime,
timestamp: ::ClockTime,
duration: ::ClockTime,
) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
live,
running_time,
stream_time,
timestamp,
duration,
values: None,
stats: None,
}
}
pub fn values(self, jitter: i64, proportion: f64, quality: i32) -> Self {
Self {
values: Some((jitter, proportion, quality)),
..self
}
}
pub fn stats<V: Into<GenericFormattedValue>>(self, processed: V, dropped: V) -> Self {
let processed = processed.into();
let dropped = dropped.into();
assert_eq!(processed.get_format(), dropped.get_format());
Self {
stats: Some((processed, dropped)),
..self
}
}
message_builder_generic_impl!(|s: &mut Self, src| {
let msg = ffi::gst_message_new_qos(
src,
s.live.to_glib(),
s.running_time.to_glib(),
s.stream_time.to_glib(),
s.timestamp.to_glib(),
s.duration.to_glib(),
);
if let Some((jitter, proportion, quality)) = s.values {
ffi::gst_message_set_qos_values(msg, jitter, proportion, quality);
}
if let Some((processed, dropped)) = s.stats {
ffi::gst_message_set_qos_stats(
msg,
processed.get_format().to_glib(),
processed.get_value() as u64,
dropped.get_value() as u64,
);
}
msg
});
}
pub struct ProgressBuilder<'a> {
builder: MessageBuilder<'a>,
type_: ::ProgressType,
code: &'a str,
text: &'a str,
}
impl<'a> ProgressBuilder<'a> {
fn new(type_: ::ProgressType, code: &'a str, text: &'a str) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
type_,
code,
text,
}
}
message_builder_generic_impl!(|s: &mut Self, src| ffi::gst_message_new_progress(
src,
s.type_.to_glib(),
s.code.to_glib_none().0,
s.text.to_glib_none().0,
));
}
pub struct TocBuilder<'a> {
builder: MessageBuilder<'a>,
toc: &'a ::Toc,
updated: bool,
}
impl<'a> TocBuilder<'a> {
fn new(toc: &'a ::Toc, updated: bool) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
toc,
updated,
}
}
message_builder_generic_impl!(|s: &Self, src| ffi::gst_message_new_toc(
src,
s.toc.to_glib_none().0,
s.updated.to_glib()
));
}
pub struct ResetTimeBuilder<'a> {
builder: MessageBuilder<'a>,
running_time: ::ClockTime,
}
impl<'a> ResetTimeBuilder<'a> {
fn new(running_time: ::ClockTime) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
running_time,
}
}
message_builder_generic_impl!(|s: &mut Self, src| ffi::gst_message_new_reset_time(
src,
s.running_time.to_glib()
));
}
pub struct StreamStartBuilder<'a> {
builder: MessageBuilder<'a>,
group_id: Option<GroupId>,
}
impl<'a> StreamStartBuilder<'a> {
fn new() -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
group_id: None,
}
}
pub fn group_id(self, group_id: GroupId) -> Self {
Self {
group_id: Some(group_id),
..self
}
}
message_builder_generic_impl!(|s: &mut Self, src| {
let msg = ffi::gst_message_new_stream_start(src);
if let Some(group_id) = s.group_id {
ffi::gst_message_set_group_id(msg, group_id.to_glib());
}
msg
});
}
pub struct NeedContextBuilder<'a> {
builder: MessageBuilder<'a>,
context_type: &'a str,
}
impl<'a> NeedContextBuilder<'a> {
fn new(context_type: &'a str) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
context_type,
}
}
message_builder_generic_impl!(|s: &mut Self, src| ffi::gst_message_new_need_context(
src,
s.context_type.to_glib_none().0
));
}
pub struct HaveContextBuilder<'a> {
builder: MessageBuilder<'a>,
context: Option<::Context>,
}
impl<'a> HaveContextBuilder<'a> {
fn new(context: ::Context) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
context: Some(context),
}
}
message_builder_generic_impl!(|s: &mut Self, src| {
let context = s.context.take().unwrap();
ffi::gst_message_new_have_context(src, context.into_ptr())
});
}
pub struct DeviceAddedBuilder<'a> {
builder: MessageBuilder<'a>,
device: &'a ::Device,
}
impl<'a> DeviceAddedBuilder<'a> {
fn new(device: &'a ::Device) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
device,
}
}
message_builder_generic_impl!(|s: &mut Self, src| ffi::gst_message_new_device_added(
src,
s.device.to_glib_none().0
));
}
pub struct DeviceRemovedBuilder<'a> {
builder: MessageBuilder<'a>,
device: &'a ::Device,
}
impl<'a> DeviceRemovedBuilder<'a> {
fn new(device: &'a ::Device) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
device,
}
}
message_builder_generic_impl!(|s: &mut Self, src| ffi::gst_message_new_device_removed(
src,
s.device.to_glib_none().0
));
}
#[cfg(any(feature = "v1_10", feature = "dox"))]
pub struct PropertyNotifyBuilder<'a> {
builder: MessageBuilder<'a>,
property_name: &'a str,
value: Option<&'a glib::ToSendValue>,
}
#[cfg(any(feature = "v1_10", feature = "dox"))]
impl<'a> PropertyNotifyBuilder<'a> {
fn new(property_name: &'a str) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
property_name,
value: None,
}
}
pub fn value(self, value: &'a glib::ToSendValue) -> Self {
Self {
value: Some(value),
..self
}
}
message_builder_generic_impl!(|s: &mut Self, src| {
let val = s.value.map(|v| v.to_send_value());
ffi::gst_message_new_property_notify(
src,
s.property_name.to_glib_none().0,
mut_override(
val.as_ref()
.map(|v| v.to_glib_none().0)
.unwrap_or(ptr::null()),
),
)
});
}
#[cfg(any(feature = "v1_10", feature = "dox"))]
pub struct StreamCollectionBuilder<'a> {
builder: MessageBuilder<'a>,
collection: &'a ::StreamCollection,
}
#[cfg(any(feature = "v1_10", feature = "dox"))]
impl<'a> StreamCollectionBuilder<'a> {
fn new(collection: &'a ::StreamCollection) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
collection,
}
}
message_builder_generic_impl!(|s: &mut Self, src| ffi::gst_message_new_stream_collection(
src,
s.collection.to_glib_none().0
));
}
#[cfg(any(feature = "v1_10", feature = "dox"))]
pub struct StreamsSelectedBuilder<'a> {
builder: MessageBuilder<'a>,
#[cfg(any(feature = "v1_10", feature = "dox"))]
collection: &'a ::StreamCollection,
#[cfg(any(feature = "v1_10", feature = "dox"))]
streams: Option<&'a [&'a ::Stream]>,
}
#[cfg(any(feature = "v1_10", feature = "dox"))]
impl<'a> StreamsSelectedBuilder<'a> {
fn new(collection: &'a ::StreamCollection) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
collection,
streams: None,
}
}
pub fn streams(self, streams: &'a [&'a ::Stream]) -> Self {
Self {
streams: Some(streams),
..self
}
}
message_builder_generic_impl!(|s: &mut Self, src| {
let msg = ffi::gst_message_new_streams_selected(src, s.collection.to_glib_none().0);
if let Some(streams) = s.streams {
for stream in streams {
ffi::gst_message_streams_selected_add(msg, stream.to_glib_none().0);
}
}
msg
});
}
#[cfg(any(feature = "v1_10", feature = "dox"))]
pub struct RedirectBuilder<'a> {
builder: MessageBuilder<'a>,
location: &'a str,
tag_list: Option<&'a TagList>,
entry_struct: Option<Structure>,
#[cfg_attr(feature = "cargo-clippy", allow(type_complexity))]
entries: Option<&'a [(&'a str, Option<&'a TagList>, Option<&'a Structure>)]>,
}
#[cfg(any(feature = "v1_10", feature = "dox"))]
impl<'a> RedirectBuilder<'a> {
fn new(location: &'a str) -> Self {
skip_assert_initialized!();
Self {
builder: MessageBuilder::new(),
location,
tag_list: None,
entry_struct: None,
entries: None,
}
}
pub fn tag_list(self, tag_list: &'a TagList) -> Self {
Self {
tag_list: Some(tag_list),
..self
}
}
pub fn entry_struct(self, entry_struct: Structure) -> Self {
Self {
entry_struct: Some(entry_struct),
..self
}
}
pub fn entries(
self,
entries: &'a [(&'a str, Option<&'a TagList>, Option<&'a Structure>)],
) -> Self {
skip_assert_initialized!();
Self {
entries: Some(entries),
..self
}
}
message_builder_generic_impl!(|s: &mut Self, src| {
let entry_struct = s.entry_struct.take();
let entry_struct_ptr = if let Some(entry_struct) = entry_struct {
entry_struct.into_ptr()
} else {
ptr::null_mut()
};
let msg = ffi::gst_message_new_redirect(
src,
s.location.to_glib_none().0,
s.tag_list.to_glib_full(),
entry_struct_ptr,
);
if let Some(entries) = s.entries {
for &(location, tag_list, entry_struct) in entries {
let entry_struct = entry_struct.cloned();
let entry_struct_ptr = if let Some(entry_struct) = entry_struct {
entry_struct.into_ptr()
} else {
ptr::null_mut()
};
ffi::gst_message_add_redirect_entry(
msg,
location.to_glib_none().0,
tag_list.to_glib_full(),
entry_struct_ptr,
);
}
}
msg
});
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_simple() {
::init().unwrap();
// Message without arguments
let eos_msg = Message::new_eos().seqnum(Seqnum(1)).build();
match eos_msg.view() {
MessageView::Eos(eos_msg) => {
assert_eq!(eos_msg.get_seqnum(), Seqnum(1));
assert!(eos_msg.get_structure().is_none());
}
_ => panic!("eos_msg.view() is not a MessageView::Eos(_)"),
}
// Message with arguments
let buffering_msg = Message::new_buffering(42).build();
match buffering_msg.view() {
MessageView::Buffering(buffering_msg) => {
assert_eq!(buffering_msg.get_percent(), 42);
}
_ => panic!("buffering_msg.view() is not a MessageView::Buffering(_)"),
}
}
#[cfg(feature = "v1_14")]
#[test]
fn test_other_fields() {
::init().unwrap();
let eos_msg = Message::new_eos()
.other_fields(&[("extra-field", &true)])
.seqnum(Seqnum(1))
.build();
match eos_msg.view() {
MessageView::Eos(eos_msg) => {
assert_eq!(eos_msg.get_seqnum(), Seqnum(1));
if let Some(other_fields) = eos_msg.get_structure() {
assert!(other_fields.has_field("extra-field"));
}
}
_ => panic!("eos_msg.view() is not a MessageView::Eos(_)"),
}
let buffering_msg = Message::new_buffering(42)
.other_fields(&[("extra-field", &true)])
.build();
match buffering_msg.view() {
MessageView::Buffering(buffering_msg) => {
assert_eq!(buffering_msg.get_percent(), 42);
if let Some(other_fields) = buffering_msg.get_structure() {
assert!(other_fields.has_field("extra-field"));
}
}
_ => panic!("buffering_msg.view() is not a MessageView::Buffering(_)"),
}
}
}