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4259d284bd
This commit adds an Android `webrtcsrc` based example with the following features: * A first view allows retrieving the producer list from the signaller (peer ids are uuids which are too long to tap, especially using an onscreen keyboard). * Selecting a producer opens a second view. The first available video stream is rendered on a native Surface. All the audio streams are rendered using `autoaudiosink`. Available Settings: * Signaller URI. * A toggle to prefer hardware decoding for OPUS, otherwise the app defaults to raising `opusdec`'s rank. Hardware decoding was moved aside since it was found to crash the app on all tested devices (2 smartphones, 1 tv). **Warning**: in order to ease testing, this demonstration application enables unencrypted network communication. See `AndroidManifest.xml`. The application uses the technologies currenlty proposed by Android Studio when creating a new project: * Kotlin as the default language, which is fully interoperable with Java and uses the same SDK. * gradle 8.6. * kotlin dialect for gradle. The structure is mostly the same as the previously preferred dialect, for which examples can be found online readily. * However, JNI code generation still uses Makefiles (instead of CMake) due to the need to call [`gstreamer-1.0.mk`] for `gstreamer_android` generation. Note: on-going work on that front: - https://gitlab.freedesktop.org/gstreamer/cerbero/-/merge_requests/1466 - https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6794 Current limitations: * x86 support is currently discarded as `gstreamer_android` libs generation fails (observed with `gstreamer-1.0-android-universal-1.24.3`). * A selector could be added to let the user chose the video streams and possibly decide whether to render all audio streams or just select one. Nice to have: * Support for the synchronization features of the `webrtc-precise-sync-recv` example (NTP clock, RFC 7273). * It could be nice to use Rust for the specific native code. [`gstreamer-1.0.mk`]: https://gitlab.freedesktop.org/gstreamer/cerbero/-/blob/main/data/ndk-build/gstreamer-1.0.mk Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/1578>
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[versions]
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agp = "8.4.1"
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appcompat = "1.6.1"
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constraintlayout = "2.1.4"
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coreKtx = "1.13.1"
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kotlin = "1.9.0"
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kotlinxSerializationJson = "1.6.3"
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ktor = "2.3.11"
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lifecycleKtx = "2.8.0"
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material = "1.12.0"
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navigationFragmentKtx = "2.7.7"
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navigationUiKtx = "2.7.7"
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navSafeArgsPlugin = "2.7.7"
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preference = "1.2.1"
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recyclerview = "1.3.2"
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workRuntimeKtx = "2.9.0"
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[libraries]
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androidx-appcompat = { group = "androidx.appcompat", name = "appcompat", version.ref = "appcompat" }
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androidx-constraintlayout = { group = "androidx.constraintlayout", name = "constraintlayout", version.ref = "constraintlayout" }
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androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
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androidx-lifecycle-runtime-ktx = { group = "androidx.lifecycle", name = "lifecycle-runtime-ktx", version.ref = "lifecycleKtx" }
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androidx-navigation-fragment-ktx = { group = "androidx.navigation", name = "navigation-fragment-ktx", version.ref = "navigationFragmentKtx" }
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androidx-navigation-ui-ktx = { group = "androidx.navigation", name = "navigation-ui-ktx", version.ref = "navigationUiKtx" }
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androidx-preference = { group = "androidx.preference", name = "preference", version.ref = "preference" }
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androidx-recyclerview = { group = "androidx.recyclerview", name = "recyclerview", version.ref = "recyclerview" }
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androidx-work-runtime-ktx = { module = "androidx.work:work-runtime-ktx", version.ref = "workRuntimeKtx" }
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kotlinx-serialization-json = { module = "org.jetbrains.kotlinx:kotlinx-serialization-json", version.ref = "kotlinxSerializationJson" }
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ktor-client-okhttp = { module = "io.ktor:ktor-client-okhttp", version.ref = "ktor" }
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material = { group = "com.google.android.material", name = "material", version.ref = "material" }
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[plugins]
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android-application = { id = "com.android.application", version.ref = "agp" }
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jetbrains-kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
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androidx-navigation-safeargs = { id = "androidx.navigation.safeargs", version.ref = "navSafeArgsPlugin" } |