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fmp4mux: Port to aggregator as base class as preparation for supporting multiple streams

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This commit is contained in:
Sebastian Dröge 2022-05-05 15:09:19 +03:00
parent 23cc00ce4b
commit c09b7b9e41
3 changed files with 390 additions and 410 deletions
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3
generic/fmp4/Cargo.toml
View file

@ -11,6 +11,7 @@ rust-version = "1.57"
[dependencies]
anyhow = "1"
gst = { package = "gstreamer", git = "https://gitlab.freedesktop.org/gstreamer/gstreamer-rs" }
gst-base = { package = "gstreamer-base", git = "https://gitlab.freedesktop.org/gstreamer/gstreamer-rs" }
gst-audio = { package = "gstreamer-audio", git = "https://gitlab.freedesktop.org/gstreamer/gstreamer-rs" }
gst-video = { package = "gstreamer-video", git = "https://gitlab.freedesktop.org/gstreamer/gstreamer-rs" }
once_cell = "1.0"
@ -47,4 +48,4 @@ install_subdir = "gstreamer-1.0"
versioning = false
[package.metadata.capi.pkg_config]
requires_private = "gstreamer-1.0, gstreamer-audio-1.0, gstreamer-video-1.0, gobject-2.0, glib-2.0, gmodule-2.0"
requires_private = "gstreamer-1.0, gstreamer-base-1.0, gstreamer-audio-1.0, gstreamer-video-1.0, gobject-2.0, glib-2.0, gmodule-2.0"

785
generic/fmp4/src/fmp4mux/imp.rs
View file

@ -9,6 +9,8 @@
use gst::glib;
use gst::prelude::*;
use gst::subclass::prelude::*;
use gst_base::prelude::*;
use gst_base::subclass::prelude::*;
use std::collections::VecDeque;
use std::sync::Mutex;
@ -72,7 +74,6 @@ struct Gop {
#[derive(Default)]
struct State {
segment: Option<gst::FormattedSegment<gst::ClockTime>>,
caps: Option<gst::Caps>,
intra_only: bool,
@ -98,12 +99,11 @@ struct State {
earliest_pts: Option<gst::ClockTime>,
end_pts: Option<gst::ClockTime>,
headers_since_eos: bool,
generated_headers: bool,
}
pub(crate) struct FMP4Mux {
srcpad: gst::Pad,
sinkpad: gst::Pad,
sinkpad: gst_base::AggregatorPad,
state: Mutex<State>,
settings: Mutex<Settings>,
}
@ -113,18 +113,11 @@ impl FMP4Mux {
&self,
element: &super::FMP4Mux,
state: &mut State,
segment: &gst::FormattedSegment<gst::ClockTime>,
buffer: gst::Buffer,
) -> Result<(), gst::FlowError> {
gst::trace!(CAT, obj: element, "Handling buffer {:?}", buffer);
let segment = match state.segment {
Some(ref segment) => segment,
None => {
gst::error!(CAT, obj: element, "Got buffer before segment");
return Err(gst::FlowError::Error);
}
};
if state.caps.is_none() {
gst::error!(CAT, obj: element, "Got buffer before caps");
return Err(gst::FlowError::NotNegotiated);
@ -393,10 +386,9 @@ impl FMP4Mux {
element: &super::FMP4Mux,
state: &mut State,
settings: &Settings,
segment: &gst::FormattedSegment<gst::ClockTime>,
pts: gst::ClockTime,
) -> Result<Option<gst::Event>, gst::FlowError> {
let segment = state.segment.as_ref().expect("no segment");
// If we never sent a force-keyunit event then wait until the earliest PTS of the first GOP
// is known and send one now.
//
@ -517,7 +509,7 @@ impl FMP4Mux {
);
let mut fmp4_header = None;
if !state.headers_since_eos {
if !state.generated_headers {
let mut buffer = state.stream_header.as_ref().unwrap().copy();
{
let buffer = buffer.get_mut().unwrap();
@ -532,7 +524,7 @@ impl FMP4Mux {
fmp4_header = Some(buffer);
state.earliest_pts = Some(earliest_pts);
state.headers_since_eos = true;
state.generated_headers = true;
}
let mut buffers = drain_gops
@ -719,389 +711,23 @@ impl FMP4Mux {
Ok(Some((list, caps)))
}
fn sink_chain(
&self,
_pad: &gst::Pad,
element: &super::FMP4Mux,
buffer: gst::Buffer,
) -> Result<gst::FlowSuccess, gst::FlowError> {
let settings = self.settings.lock().unwrap().clone();
let mut upstream_events = vec![];
let buffers = {
let mut state = self.state.lock().unwrap();
let pts = buffer.pts();
// Queue up the buffer and update GOP tracking state
self.queue_input(element, &mut state, buffer)?;
// If we have a PTS with this buffer, check if a new force-keyunit event for the next
// fragment start has to be created
if let Some(pts) = pts {
if let Some(event) =
self.create_force_keyunit_event(element, &mut state, &settings, pts)?
{
upstream_events.push(event);
}
}
// If enough GOPs were queued, drain and create the output fragment
self.drain(element, &mut state, &settings, false)?
};
for event in upstream_events {
self.sinkpad.push_event(event);
}
if let Some(buffers) = buffers {
gst::trace!(CAT, obj: element, "Pushing buffer list {:?}", buffers);
self.srcpad.push_list(buffers)?;
}
Ok(gst::FlowSuccess::Ok)
}
fn sink_event(&self, pad: &gst::Pad, element: &super::FMP4Mux, mut event: gst::Event) -> bool {
use gst::EventView;
gst::trace!(CAT, obj: pad, "Handling event {:?}", event);
match event.view() {
EventView::Segment(ev) => {
let segment = match ev.segment().downcast_ref::<gst::ClockTime>() {
Some(segment) => {
gst::info!(CAT, obj: pad, "Received segment {:?}", segment);
segment.clone()
}
None => {
gst::warning!(
CAT,
obj: pad,
"Received non-TIME segment, replacing with default TIME segment"
);
let segment = gst::FormattedSegment::new();
event = gst::event::Segment::builder(&segment)
.seqnum(event.seqnum())
.build();
segment
}
};
self.state.lock().unwrap().segment = Some(segment);
self.srcpad.push_event(event)
}
EventView::Caps(ev) => {
let caps = ev.caps_owned();
gst::info!(CAT, obj: pad, "Received caps {:?}", caps);
let caps = {
let settings = self.settings.lock().unwrap().clone();
let mut state = self.state.lock().unwrap();
let s = caps.structure(0).unwrap();
match s.name() {
"video/x-h264" | "video/x-h265" => {
if !s.has_field_with_type("codec_data", gst::Buffer::static_type()) {
gst::error!(CAT, obj: pad, "Received caps without codec_data");
return false;
}
}
"audio/mpeg" => {
if !s.has_field_with_type("codec_data", gst::Buffer::static_type()) {
gst::error!(CAT, obj: pad, "Received caps without codec_data");
return false;
}
state.intra_only = true;
}
_ => unreachable!(),
}
state.caps = Some(caps);
let (_, caps) = match self.update_header(element, &mut state, &settings, false)
{
Ok(Some(res)) => res,
_ => {
return false;
}
};
caps
};
self.srcpad.push_event(gst::event::Caps::new(&caps))
}
EventView::Tag(_ev) => {
// TODO: Maybe store for putting into the headers of the next fragment?
pad.event_default(Some(element), event)
}
EventView::Gap(_ev) => {
// TODO: queue up and check if draining is needed now
// i.e. make the last sample much longer
true
}
EventView::Eos(_ev) => {
let settings = self.settings.lock().unwrap().clone();
let drained = self.drain(element, &mut self.state.lock().unwrap(), &settings, true);
let update_header =
drained.is_ok() && settings.header_update_mode != super::HeaderUpdateMode::None;
match drained {
Ok(Some(buffers)) => {
gst::trace!(CAT, obj: element, "Pushing buffer list {:?}", buffers);
if let Err(err) = self.srcpad.push_list(buffers) {
gst::error!(
CAT,
obj: element,
"Failed pushing EOS buffers downstream: {:?}",
err,
);
}
}
Ok(None) => {}
Err(err) => {
gst::error!(CAT, obj: element, "Failed draining at EOS: {:?}", err);
}
}
if update_header {
let updated_header = self.update_header(
element,
&mut self.state.lock().unwrap(),
&settings,
true,
);
match updated_header {
Ok(Some((buffer_list, caps))) => {
match settings.header_update_mode {
super::HeaderUpdateMode::None => unreachable!(),
super::HeaderUpdateMode::Rewrite => {
let mut q = gst::query::Seeking::new(gst::Format::Bytes);
if self.srcpad.peer_query(&mut q) && q.result().0 {
// Seek to the beginning with a default bytes segment
self.srcpad.push_event(gst::event::Segment::new(
&gst::FormattedSegment::<gst::format::Bytes>::new(),
));
self.srcpad.push_event(gst::event::Caps::new(&caps));
if let Err(err) = self.srcpad.push_list(buffer_list) {
gst::error!(
CAT,
obj: element,
"Failed pushing updated header buffer downstream: {:?}",
err,
);
}
} else {
gst::error!(CAT, obj: element, "Can't rewrite header because downstream is not seekable");
}
}
super::HeaderUpdateMode::Update => {
self.srcpad.push_event(gst::event::Caps::new(&caps));
if let Err(err) = self.srcpad.push_list(buffer_list) {
gst::error!(
CAT,
obj: element,
"Failed pushing updated header buffer downstream: {:?}",
err,
);
}
}
}
}
Ok(None) => {}
Err(err) => {
gst::error!(
CAT,
obj: element,
"Failed to generate updated header: {:?}",
err
);
}
}
}
self.state.lock().unwrap().headers_since_eos = false;
pad.event_default(Some(element), event)
}
EventView::FlushStop(_ev) => {
let mut state = self.state.lock().unwrap();
state.segment = None;
state.queued_gops.clear();
state.queued_duration = gst::ClockTime::ZERO;
state.dts_offset = None;
state.last_force_keyunit_time = None;
state.current_offset = 0;
state.fragment_offsets.clear();
pad.event_default(Some(element), event)
}
_ => pad.event_default(Some(element), event),
}
}
fn sink_query(
&self,
pad: &gst::Pad,
element: &super::FMP4Mux,
query: &mut gst::QueryRef,
) -> bool {
use gst::QueryViewMut;
gst::trace!(CAT, obj: pad, "Handling query {:?}", query);
match query.view_mut() {
QueryViewMut::Caps(q) => {
let state = self.state.lock().unwrap();
let allowed_caps = if let Some(ref caps) = state.caps {
// TODO: Maybe allow codec_data changes and similar?
caps.clone()
} else {
pad.pad_template_caps()
};
if let Some(filter_caps) = q.filter() {
let res = filter_caps
.intersect_with_mode(&allowed_caps, gst::CapsIntersectMode::First);
q.set_result(&res);
} else {
q.set_result(&allowed_caps);
}
true
}
_ => pad.query_default(Some(element), query),
}
}
fn src_event(&self, pad: &gst::Pad, element: &super::FMP4Mux, event: gst::Event) -> bool {
use gst::EventView;
gst::trace!(CAT, obj: pad, "Handling event {:?}", event);
match event.view() {
EventView::Seek(_ev) => false,
_ => pad.event_default(Some(element), event),
}
}
fn src_query(
&self,
pad: &gst::Pad,
element: &super::FMP4Mux,
query: &mut gst::QueryRef,
) -> bool {
use gst::QueryViewMut;
gst::trace!(CAT, obj: pad, "Handling query {:?}", query);
match query.view_mut() {
QueryViewMut::Seeking(q) => {
// We can't really handle seeking, it would break everything
q.set(false, gst::ClockTime::ZERO.into(), gst::ClockTime::NONE);
true
}
QueryViewMut::Latency(q) => {
if !self.sinkpad.peer_query(q.query_mut()) {
return false;
}
let settings = self.settings.lock().unwrap();
let (live, min, max) = q.result();
gst::info!(
CAT,
obj: pad,
"Upstream latency: live {}, min {}, max {}",
live,
min,
max.display()
);
let (min, max) = (
min + settings.fragment_duration,
max.opt_add(settings.fragment_duration),
);
gst::info!(
CAT,
obj: pad,
"Returning latency: live {}, min {}, max {}",
live,
min,
max.display()
);
q.set(live, min, max);
true
}
_ => pad.query_default(Some(element), query),
}
}
}
#[glib::object_subclass]
impl ObjectSubclass for FMP4Mux {
const NAME: &'static str = "GstFMP4Mux";
type Type = super::FMP4Mux;
type ParentType = gst::Element;
type ParentType = gst_base::Aggregator;
type Class = Class;
fn with_class(klass: &Self::Class) -> Self {
let templ = klass.pad_template("sink").unwrap();
let sinkpad = gst::Pad::builder_with_template(&templ, Some("sink"))
.chain_function(|pad, parent, buffer| {
FMP4Mux::catch_panic_pad_function(
parent,
|| Err(gst::FlowError::Error),
|fmp4mux, element| fmp4mux.sink_chain(pad, element, buffer),
)
})
.event_function(|pad, parent, event| {
FMP4Mux::catch_panic_pad_function(
parent,
|| false,
|fmp4mux, element| fmp4mux.sink_event(pad, element, event),
)
})
.query_function(|pad, parent, query| {
FMP4Mux::catch_panic_pad_function(
parent,
|| false,
|fmp4mux, element| fmp4mux.sink_query(pad, element, query),
)
})
let sinkpad =
gst::PadBuilder::<gst_base::AggregatorPad>::from_template(&templ, Some("sink"))
.flags(gst::PadFlags::ACCEPT_INTERSECT)
.build();
let templ = klass.pad_template("src").unwrap();
let srcpad = gst::Pad::builder_with_template(&templ, Some("src"))
.event_function(|pad, parent, event| {
FMP4Mux::catch_panic_pad_function(
parent,
|| false,
|fmp4mux, element| fmp4mux.src_event(pad, element, event),
)
})
.query_function(|pad, parent, query| {
FMP4Mux::catch_panic_pad_function(
parent,
|| false,
|fmp4mux, element| fmp4mux.src_query(pad, element, query),
)
})
.flags(gst::PadFlags::FIXED_CAPS | gst::PadFlags::ACCEPT_TEMPLATE)
.build();
Self {
srcpad,
sinkpad,
settings: Mutex::default(),
state: Mutex::default(),
@ -1153,7 +779,7 @@ impl ObjectImpl for FMP4Mux {
fn set_property(
&self,
_obj: &Self::Type,
obj: &Self::Type,
_id: usize,
value: &glib::Value,
pspec: &glib::ParamSpec,
@ -1161,7 +787,12 @@ impl ObjectImpl for FMP4Mux {
match pspec.name() {
"fragment-duration" => {
let mut settings = self.settings.lock().unwrap();
settings.fragment_duration = value.get().expect("type checked upstream");
let fragment_duration = value.get().expect("type checked upstream");
if settings.fragment_duration != fragment_duration {
settings.fragment_duration = fragment_duration;
drop(settings);
obj.set_latency(fragment_duration, None);
}
}
"header-update-mode" => {
@ -1213,37 +844,379 @@ impl ObjectImpl for FMP4Mux {
self.parent_constructed(obj);
obj.add_pad(&self.sinkpad).unwrap();
obj.add_pad(&self.srcpad).unwrap();
obj.set_latency(Settings::default().fragment_duration, None);
}
}
impl GstObjectImpl for FMP4Mux {}
impl ElementImpl for FMP4Mux {
#[allow(clippy::single_match)]
fn change_state(
fn release_pad(&self, _element: &Self::Type, _pad: &gst::Pad) {}
fn request_new_pad(
&self,
element: &Self::Type,
transition: gst::StateChange,
) -> Result<gst::StateChangeSuccess, gst::StateChangeError> {
gst::trace!(CAT, obj: element, "Changing state {:?}", transition);
_element: &Self::Type,
_templ: &gst::PadTemplate,
_name: Option<String>,
_caps: Option<&gst::Caps>,
) -> Option<gst::Pad> {
None
}
}
let res = self.parent_change_state(element, transition)?;
impl AggregatorImpl for FMP4Mux {
fn sink_query(
&self,
aggregator: &Self::Type,
aggregator_pad: &gst_base::AggregatorPad,
query: &mut gst::QueryRef,
) -> bool {
use gst::QueryViewMut;
match transition {
gst::StateChange::PausedToReady => {
gst::trace!(CAT, obj: aggregator_pad, "Handling query {:?}", query);
match query.view_mut() {
QueryViewMut::Caps(q) => {
let state = self.state.lock().unwrap();
let allowed_caps = if let Some(ref caps) = state.caps {
// TODO: Maybe allow codec_data changes and similar?
caps.clone()
} else {
aggregator_pad.pad_template_caps()
};
if let Some(filter_caps) = q.filter() {
let res = filter_caps
.intersect_with_mode(&allowed_caps, gst::CapsIntersectMode::First);
q.set_result(&res);
} else {
q.set_result(&allowed_caps);
}
true
}
_ => self.parent_sink_query(aggregator, aggregator_pad, query),
}
}
fn sink_event_pre_queue(
&self,
aggregator: &Self::Type,
aggregator_pad: &gst_base::AggregatorPad,
mut event: gst::Event,
) -> Result<gst::FlowSuccess, gst::FlowError> {
use gst::EventView;
gst::trace!(CAT, obj: aggregator_pad, "Handling event {:?}", event);
match event.view() {
EventView::Segment(ev) => {
if ev.segment().format() != gst::Format::Time {
gst::warning!(
CAT,
obj: aggregator_pad,
"Received non-TIME segment, replacing with default TIME segment"
);
let segment = gst::FormattedSegment::<gst::ClockTime>::new();
event = gst::event::Segment::builder(&segment)
.seqnum(event.seqnum())
.build();
}
self.parent_sink_event_pre_queue(aggregator, aggregator_pad, event)
}
_ => self.parent_sink_event_pre_queue(aggregator, aggregator_pad, event),
}
}
fn sink_event(
&self,
aggregator: &Self::Type,
aggregator_pad: &gst_base::AggregatorPad,
event: gst::Event,
) -> bool {
use gst::EventView;
gst::trace!(CAT, obj: aggregator_pad, "Handling event {:?}", event);
match event.view() {
EventView::Segment(ev) => {
// Already fixed-up above to always be a TIME segment
let segment = ev
.segment()
.clone()
.downcast::<gst::ClockTime>()
.expect("non-TIME segment");
gst::info!(CAT, obj: aggregator_pad, "Received segment {:?}", segment);
aggregator.update_segment(&segment);
self.parent_sink_event(aggregator, aggregator_pad, event)
}
EventView::Caps(ev) => {
let caps = ev.caps_owned();
gst::info!(CAT, obj: aggregator_pad, "Received caps {:?}", caps);
let caps = {
let settings = self.settings.lock().unwrap().clone();
let mut state = self.state.lock().unwrap();
let s = caps.structure(0).unwrap();
match s.name() {
"video/x-h264" | "video/x-h265" => {
if !s.has_field_with_type("codec_data", gst::Buffer::static_type()) {
gst::error!(
CAT,
obj: aggregator_pad,
"Received caps without codec_data"
);
return false;
}
}
"audio/mpeg" => {
if !s.has_field_with_type("codec_data", gst::Buffer::static_type()) {
gst::error!(
CAT,
obj: aggregator_pad,
"Received caps without codec_data"
);
return false;
}
state.intra_only = true;
}
_ => unreachable!(),
}
state.caps = Some(caps);
let (_, caps) =
match self.update_header(aggregator, &mut state, &settings, false) {
Ok(Some(res)) => res,
_ => {
return false;
}
};
caps
};
aggregator.set_src_caps(&caps);
self.parent_sink_event(aggregator, aggregator_pad, event)
}
EventView::Tag(_ev) => {
// TODO: Maybe store for putting into the headers of the next fragment?
self.parent_sink_event(aggregator, aggregator_pad, event)
}
EventView::Gap(_ev) => {
// TODO: queue up and check if draining is needed now
// i.e. make the last sample much longer
true
}
_ => self.parent_sink_event(aggregator, aggregator_pad, event),
}
}
fn src_query(&self, aggregator: &Self::Type, query: &mut gst::QueryRef) -> bool {
use gst::QueryViewMut;
gst::trace!(CAT, obj: aggregator, "Handling query {:?}", query);
match query.view_mut() {
QueryViewMut::Seeking(q) => {
// We can't really handle seeking, it would break everything
q.set(false, gst::ClockTime::ZERO.into(), gst::ClockTime::NONE);
true
}
_ => self.parent_src_query(aggregator, query),
}
}
fn src_event(&self, aggregator: &Self::Type, event: gst::Event) -> bool {
use gst::EventView;
gst::trace!(CAT, obj: aggregator, "Handling event {:?}", event);
match event.view() {
EventView::Seek(_ev) => false,
_ => self.parent_src_event(aggregator, event),
}
}
fn flush(&self, aggregator: &Self::Type) -> Result<gst::FlowSuccess, gst::FlowError> {
self.parent_flush(aggregator)?;
let mut state = self.state.lock().unwrap();
state.queued_gops.clear();
state.queued_duration = gst::ClockTime::ZERO;
state.dts_offset = None;
state.last_force_keyunit_time = None;
state.current_offset = 0;
state.fragment_offsets.clear();
Ok(gst::FlowSuccess::Ok)
}
fn stop(&self, aggregator: &Self::Type) -> Result<(), gst::ErrorMessage> {
gst::trace!(CAT, obj: aggregator, "Stopping");
let _ = self.parent_stop(aggregator);
*self.state.lock().unwrap() = State::default();
}
_ => (),
Ok(())
}
Ok(res)
fn start(&self, aggregator: &Self::Type) -> Result<(), gst::ErrorMessage> {
gst::trace!(CAT, obj: aggregator, "Starting");
self.parent_start(aggregator)?;
*self.state.lock().unwrap() = State::default();
Ok(())
}
fn negotiate(&self, _aggregator: &Self::Type) -> bool {
true
}
fn aggregate(
&self,
aggregator: &Self::Type,
_timeout: bool,
) -> Result<gst::FlowSuccess, gst::FlowError> {
let settings = self.settings.lock().unwrap().clone();
let is_eos;
let mut upstream_events = vec![];
let buffers = {
let mut state = self.state.lock().unwrap();
let segment = match self
.sinkpad
.segment()
.clone()
.downcast::<gst::ClockTime>()
.ok()
{
Some(segment) => segment,
None => {
gst::error!(CAT, obj: aggregator, "Got buffer before segment");
return Err(gst::FlowError::Error);
}
};
let buffer = self.sinkpad.pop_buffer();
is_eos = buffer.is_none() && self.sinkpad.is_eos();
if let Some(buffer) = buffer {
let pts = buffer.pts();
// Queue up the buffer and update GOP tracking state
self.queue_input(aggregator, &mut state, &segment, buffer)?;
// If we have a PTS with this buffer, check if a new force-keyunit event for the next
// fragment start has to be created
if let Some(pts) = pts {
if let Some(event) = self.create_force_keyunit_event(
aggregator, &mut state, &settings, &segment, pts,
)? {
upstream_events.push(event);
}
}
}
// If enough GOPs were queued, drain and create the output fragment
self.drain(aggregator, &mut state, &settings, is_eos)?
};
for event in upstream_events {
self.sinkpad.push_event(event);
}
if let Some(buffers) = buffers {
gst::trace!(CAT, obj: aggregator, "Pushing buffer list {:?}", buffers);
aggregator.finish_buffer_list(buffers)?;
}
if is_eos {
if settings.header_update_mode != super::HeaderUpdateMode::None {
let updated_header = self.update_header(
aggregator,
&mut self.state.lock().unwrap(),
&settings,
true,
);
match updated_header {
Ok(Some((buffer_list, caps))) => {
match settings.header_update_mode {
super::HeaderUpdateMode::None => unreachable!(),
super::HeaderUpdateMode::Rewrite => {
let src_pad = aggregator.src_pad();
let mut q = gst::query::Seeking::new(gst::Format::Bytes);
if src_pad.peer_query(&mut q) && q.result().0 {
// Seek to the beginning with a default bytes segment
aggregator
.update_segment(
&gst::FormattedSegment::<gst::format::Bytes>::new(),
);
aggregator.set_src_caps(&caps);
if let Err(err) = aggregator.finish_buffer_list(buffer_list) {
gst::error!(
CAT,
obj: aggregator,
"Failed pushing updated header buffer downstream: {:?}",
err,
);
}
} else {
gst::error!(
CAT,
obj: aggregator,
"Can't rewrite header because downstream is not seekable"
);
}
}
super::HeaderUpdateMode::Update => {
aggregator.set_src_caps(&caps);
if let Err(err) = aggregator.finish_buffer_list(buffer_list) {
gst::error!(
CAT,
obj: aggregator,
"Failed pushing updated header buffer downstream: {:?}",
err,
);
}
}
}
}
Ok(None) => {}
Err(err) => {
gst::error!(
CAT,
obj: aggregator,
"Failed to generate updated header: {:?}",
err
);
}
}
}
// Need to generate new headers if started again after EOS
self.state.lock().unwrap().generated_headers = false;
Err(gst::FlowError::Eos)
} else {
Ok(gst::FlowSuccess::Ok)
}
}
}
#[repr(C)]
pub(crate) struct Class {
parent: gst::ffi::GstElementClass,
parent: gst_base::ffi::GstAggregatorClass,
variant: super::Variant,
}
@ -1252,7 +1225,7 @@ unsafe impl ClassStruct for Class {
}
impl std::ops::Deref for Class {
type Target = glib::Class<gst::Element>;
type Target = glib::Class<gst_base::Aggregator>;
fn deref(&self) -> &Self::Target {
unsafe { &*(&self.parent as *const _ as *const _) }
@ -1268,7 +1241,7 @@ unsafe impl<T: FMP4MuxImpl> IsSubclassable<T> for super::FMP4Mux {
}
}
pub(crate) trait FMP4MuxImpl: ElementImpl {
pub(crate) trait FMP4MuxImpl: AggregatorImpl {
const VARIANT: super::Variant;
}
@ -1348,6 +1321,8 @@ impl ElementImpl for ISOFMP4Mux {
}
}
impl AggregatorImpl for ISOFMP4Mux {}
impl FMP4MuxImpl for ISOFMP4Mux {
const VARIANT: super::Variant = super::Variant::ISO;
}
@ -1428,6 +1403,8 @@ impl ElementImpl for CMAFMux {
}
}
impl AggregatorImpl for CMAFMux {}
impl FMP4MuxImpl for CMAFMux {
const VARIANT: super::Variant = super::Variant::CMAF;
}
@ -1508,6 +1485,8 @@ impl ElementImpl for DASHMP4Mux {
}
}
impl AggregatorImpl for DASHMP4Mux {}
impl FMP4MuxImpl for DASHMP4Mux {
const VARIANT: super::Variant = super::Variant::DASH;
}

8
generic/fmp4/src/fmp4mux/mod.rs
View file

@ -13,19 +13,19 @@ mod boxes;
mod imp;
glib::wrapper! {
pub(crate) struct FMP4Mux(ObjectSubclass<imp::FMP4Mux>) @extends gst::Element, gst::Object;
pub(crate) struct FMP4Mux(ObjectSubclass<imp::FMP4Mux>) @extends gst_base::Aggregator, gst::Element, gst::Object;
}
glib::wrapper! {
pub(crate) struct ISOFMP4Mux(ObjectSubclass<imp::ISOFMP4Mux>) @extends FMP4Mux, gst::Element, gst::Object;
pub(crate) struct ISOFMP4Mux(ObjectSubclass<imp::ISOFMP4Mux>) @extends FMP4Mux, gst_base::Aggregator, gst::Element, gst::Object;
}
glib::wrapper! {
pub(crate) struct CMAFMux(ObjectSubclass<imp::CMAFMux>) @extends FMP4Mux, gst::Element, gst::Object;
pub(crate) struct CMAFMux(ObjectSubclass<imp::CMAFMux>) @extends FMP4Mux, gst_base::Aggregator, gst::Element, gst::Object;
}
glib::wrapper! {
pub(crate) struct DASHMP4Mux(ObjectSubclass<imp::DASHMP4Mux>) @extends FMP4Mux, gst::Element, gst::Object;
pub(crate) struct DASHMP4Mux(ObjectSubclass<imp::DASHMP4Mux>) @extends FMP4Mux, gst_base::Aggregator, gst::Element, gst::Object;
}
pub fn register(plugin: &gst::Plugin) -> Result<(), glib::BoolError> {