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31 commits

Author SHA1 Message Date
Guillaume Desmottes
a649e7dead gstreamer: move parse_* functions to their own module 
Better namespacing so the API is more Rust-y.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1355>
 2023-12-04 16:15:51 +01:00
Sebastian Dröge
5ee8ee8545 utils: streamproducer: Don't use gst_element_send_event() in another place 
It can cause deadlocks thanks to taking the state lock.
 2023-11-10 09:45:09 +02:00
Sebastian Dröge
62f58620b7 gstreamer: Add accessors for PadProbeDatas on PadProbeInfo 
And make use of it in examples and other code.

This allows to simplify usage a bit in most cases.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1324>
 2023-10-16 11:28:18 +03:00
Guillaume Desmottes
7bde0285ff gst-utils: prevent dead lock when requesting key unit 
Sending the UpstreamForceKeyUnitEvent using gst_element_send_event()
internally takes the state lock. If appsink is pre-rolling we are also
holding the preroll lock.

This may result in a dead lock with the thread doing the state change as
this one takes the state lock and then the pre-roll lock.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1316>
 2023-10-03 11:45:51 +02:00
Guillaume Desmottes
63852b3b19 streamproducer: forward selected sticky events when adding consumers 
The consumer pipeline may rely on some sticky events (Tag in my case)
which may have already been sent.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1299>
 2023-08-07 20:26:28 +00:00
Mathieu Duponchelle
88c21505d2 streamproducer: forward preroll sample from new_preroll callback 
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1280>
 2023-07-07 17:06:54 +02:00
Mathieu Duponchelle
a4247d5199 streamproducer: extract process_sample function 
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1280>
 2023-07-07 14:09:35 +02:00
Bilal Elmoussaoui
f9fa7f55fc Use re-exported once_cell 
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1293>
 2023-07-06 16:50:35 +03:00
Jimmi Holst Christensen
85e427345e Forward tag events to consumers in StreamProducer 
Fix #386

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1045>
 2023-04-04 07:31:58 +00:00
Guillaume Desmottes
32a02b51e1 utils: streamproducer: document forward_eos default value 
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1226>
 2023-02-28 09:48:36 +01:00
Sebastian Dröge
f24b38470b Fix various new clippy warnings 
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1203>
 2023-01-25 10:18:33 +02:00
Sebastian Dröge
c2e7abd128 utils: streamproducer: Persist ConsumptionLink state when changing producers 
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1189>
 2023-01-16 16:16:15 +02:00
Sebastian Dröge
094d74e391 utils: streamproducer: Add ConsumptionLink::appsrc() getter 
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1189>
 2023-01-16 14:41:06 +02:00
Sebastian Dröge
0a6ed3c717 utils: streamproducer: Add new ConsumptionLink::disconnected() constructor 
This allows constructing a new consumption link from an `appsrc` without
having it connected from the very beginning.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1189>
 2023-01-16 14:41:06 +02:00
Sebastian Dröge
dd284a80ea utils: streamproducer: Add ConsumptionLink::set_discard() to stop forwarding buffers for a while 
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1189>
 2023-01-16 14:41:06 +02:00
Sebastian Dröge
a68c37e4eb utils: streamproducer: Remove StreamProducer::forward() 
Most applications forget to call `forward()` in the beginning and then
nothing works.

Fixes https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/issues/433

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1189>
 2023-01-16 14:41:06 +02:00
Sebastian Dröge
f8d17555c5 utils: streamproducer: Add #[must_use] attribute to add_consumer() 
Simply discarding the result will immediately disconnect it again, which
was likely not intended and can easily lead to bugs.

Fixes https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/issues/432

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1189>
 2023-01-16 14:41:06 +02:00
Sebastian Dröge
f235dc987d Inline various trivial functions 
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1177>
 2023-01-11 11:33:54 +02:00
Sebastian Dröge
567ce0a3bf Group and merge imports in all manual code 
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1182>
 2023-01-04 13:25:17 +02:00
Guillaume Desmottes
fbceaab941 utils: streamproducer: add API to retrieve last sample from producer 
This may be used for example to easily generate thumbnails from video
producers.
 2022-07-11 11:32:06 +02:00
Guillaume Desmottes
0e17878bed utils: streamproducer: add API to retrieve pushed and dropped buffers 
This may be used by applications to compute statistics about the overall
pipeline health, like the ratio of buffers dropped.
 2022-07-11 09:10:52 +02:00
Thibault Saunier
8c69388eff utils: Re export AddConsumerError 2022-05-17 20:19:12 +03:00
Guillaume Desmottes
5349822962 utils/streamproducer: add ConsumptionLink 
Having an explicit link object makes it much easier to build complex
producers/consumers dynamics graphs.
It provides helper to switch producers and prevent accidentally keeping
broken links around as they are disconnected on Drop.
 2022-05-17 11:04:35 +03:00
Guillaume Desmottes
f68efd0cab utils/streamproducer: add API to not forward eos to consumers 
User may want to plug another producer when one is eos, in such case we
don't want to propagate eos to consumers.
 2022-05-17 11:04:35 +03:00
Guillaume Desmottes
351f070c8e utils/streamproducer: reset callbacks when removing consumer 2022-05-12 14:56:55 +02:00
Sebastian Dröge
98cc289bcc utils/streamproducer: Add StreamProducer::error() to signal an error message to all consumers 2022-05-12 10:51:56 +03:00
Sebastian Dröge
e263bd8945 utils/streamproducer: Request keyframes without a lock held and also after an appsrc has dropped some data 2022-05-12 10:44:59 +03:00
Sebastian Dröge
d6095900e9 utils/streamproducer: Improve debug output a bit 2022-05-12 10:37:14 +03:00
Sebastian Dröge
e82d388410 utils/streamproducer: Index hashmap by appsrc instance instead of pointer 
This behaves the same but requires a little bit less code.
 2022-05-12 10:34:11 +03:00
Sebastian Dröge
a51235048d utils/streamproducer: Add StreamProducer::configure_consumer() 
This allows configuring an `appsrc` before actually adding it as
consumer at a later time, and can be useful if the pipeline with the
source should be started earlier than adding it to a consumer.

Also use strongly-typed property API for the `appsrc` properties.
 2022-05-12 10:34:06 +03:00
Thibault Saunier
f3bba21faa Introduce StreamProducer 
Introduce a new `gstreamer-utils` crate where we implement a
`StreamProducer` structure that allows "producing" pipeline (Producers)
pushing their data to 0 or several "consuming" pipelines. The Producer
needs to push their data to an `appsink` which the `StreamProducer` controls
and the "consumer" pipelines need to have an AppSrc which the same
StreamProducer controls.

It allows similare behavior as a `tee` element but with a simpler to
handle addition and removal of "consumers" as well as a total decoupling
of the various consumer, both between each others and the producer
pipeline.

This has simply been extracted from
[webrtcsink](https://github.com/centricular/webrtcsink/blob/main/plugins/src/webrtcsink/utils.rs)
 2022-05-11 10:14:54 -04:00