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drop-b-fra
| Author | SHA1 | Date | |
|---|---|---|---|
e77d7ec628
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4 changed files with 428 additions and 267 deletions
1
.gitignore
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1
.gitignore
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@ -1 +1,2 @@
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/target
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/out
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414
Cargo.lock
generated
414
Cargo.lock
generated
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@ -3,25 +3,22 @@
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version = 3
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[[package]]
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name = "aho-corasick"
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version = "0.7.18"
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name = "anyhow"
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version = "1.0.65"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1e37cfd5e7657ada45f742d6e99ca5788580b5c529dc78faf11ece6dc702656f"
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dependencies = [
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"memchr",
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]
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checksum = "98161a4e3e2184da77bb14f02184cdd111e83bbbcc9979dfee3c44b9a85f5602"
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[[package]]
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name = "anyhow"
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checksum = "8b26702f315f53b6071259e15dd9d64528213b44d61de1ec926eca7715d62203"
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[[package]]
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checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
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[[package]]
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name = "bitflags"
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@ -31,9 +28,9 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
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[[package]]
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checksum = "edae0b9625d1fce32f7d64b71784d9b1bf8469ec1a9c417e44aaf16a9cbd7571"
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dependencies = [
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"smallvec",
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]
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@ -44,42 +41,26 @@ version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
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[[package]]
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"num-integer",
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"num-traits",
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]
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[[package]]
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
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||||
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||||
[[package]]
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||||
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||||
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||||
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||||
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"futures-core",
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]
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[[package]]
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[[package]]
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name = "futures-executor"
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version = "0.3.18"
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version = "0.3.24"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "7b808bf53348a36cab739d7e04755909b9fcaaa69b7d7e588b37b6ec62704c97"
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||||
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dependencies = [
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"futures-core",
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"futures-task",
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@ -87,30 +68,36 @@ dependencies = [
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]
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[[package]]
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name = "futures-io"
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name = "futures-macro"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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name = "futures-sink"
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version = "0.3.18"
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||||
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[[package]]
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name = "futures-task"
|
||||
version = "0.3.18"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
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|
||||
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|
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||||
[[package]]
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||||
name = "futures-util"
|
||||
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|
||||
version = "0.3.24"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "41d22213122356472061ac0f1ab2cee28d2bac8491410fd68c2af53d1cedb83e"
|
||||
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|
||||
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|
||||
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|
||||
"futures-macro",
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"futures-task",
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"pin-project-lite",
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"pin-utils",
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@ -118,55 +105,40 @@ dependencies = [
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|||
]
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[[package]]
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name = "gio"
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||||
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|
||||
source = "git+https://github.com/gtk-rs/gtk-rs-core#f412e5e4e6d90f7f4331075c21880cffa59161c7"
|
||||
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|
||||
dependencies = [
|
||||
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|
||||
"futures-channel",
|
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"futures-core",
|
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"futures-io",
|
||||
"gio-sys",
|
||||
"glib",
|
||||
"cfg-if",
|
||||
"libc",
|
||||
"once_cell",
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||||
"thiserror",
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||||
]
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||||
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||||
[[package]]
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||||
name = "gio-sys"
|
||||
version = "0.15.0"
|
||||
source = "git+https://github.com/gtk-rs/gtk-rs-core#f412e5e4e6d90f7f4331075c21880cffa59161c7"
|
||||
dependencies = [
|
||||
"glib-sys",
|
||||
"gobject-sys",
|
||||
"libc",
|
||||
"system-deps",
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||||
"winapi",
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||||
"wasi",
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||||
]
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||||
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||||
[[package]]
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||||
name = "glib"
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||||
version = "0.15.0"
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||||
source = "git+https://github.com/gtk-rs/gtk-rs-core#f412e5e4e6d90f7f4331075c21880cffa59161c7"
|
||||
version = "0.16.0"
|
||||
source = "git+https://github.com/gtk-rs/gtk-rs-core#12148df3e029a763fb1fdeb4252abccb4b2d28c7"
|
||||
dependencies = [
|
||||
"bitflags",
|
||||
"futures-channel",
|
||||
"futures-core",
|
||||
"futures-executor",
|
||||
"futures-task",
|
||||
"futures-util",
|
||||
"glib-macros",
|
||||
"glib-sys",
|
||||
"gobject-sys",
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||||
"libc",
|
||||
"once_cell",
|
||||
"smallvec",
|
||||
"thiserror",
|
||||
]
|
||||
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||||
[[package]]
|
||||
name = "glib-macros"
|
||||
version = "0.15.0"
|
||||
source = "git+https://github.com/gtk-rs/gtk-rs-core#f412e5e4e6d90f7f4331075c21880cffa59161c7"
|
||||
version = "0.16.0"
|
||||
source = "git+https://github.com/gtk-rs/gtk-rs-core#12148df3e029a763fb1fdeb4252abccb4b2d28c7"
|
||||
dependencies = [
|
||||
"anyhow",
|
||||
"heck",
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||||
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@ -179,8 +151,8 @@ dependencies = [
|
|||
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||||
[[package]]
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||||
name = "glib-sys"
|
||||
version = "0.15.0"
|
||||
source = "git+https://github.com/gtk-rs/gtk-rs-core#f412e5e4e6d90f7f4331075c21880cffa59161c7"
|
||||
version = "0.16.0"
|
||||
source = "git+https://github.com/gtk-rs/gtk-rs-core#12148df3e029a763fb1fdeb4252abccb4b2d28c7"
|
||||
dependencies = [
|
||||
"libc",
|
||||
"system-deps",
|
||||
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@ -188,46 +160,21 @@ dependencies = [
|
|||
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||||
[[package]]
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||||
name = "gobject-sys"
|
||||
version = "0.15.0"
|
||||
source = "git+https://github.com/gtk-rs/gtk-rs-core#f412e5e4e6d90f7f4331075c21880cffa59161c7"
|
||||
version = "0.16.0"
|
||||
source = "git+https://github.com/gtk-rs/gtk-rs-core#12148df3e029a763fb1fdeb4252abccb4b2d28c7"
|
||||
dependencies = [
|
||||
"glib-sys",
|
||||
"libc",
|
||||
"system-deps",
|
||||
]
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||||
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||||
[[package]]
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||||
name = "gst-plugin-hlssink3"
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||||
version = "0.1.0"
|
||||
source = "git+https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs#66e987c174d23b053124d3d8c2f3e39f10caf70b"
|
||||
dependencies = [
|
||||
"gio",
|
||||
"glib",
|
||||
"gst-plugin-version-helper",
|
||||
"gstreamer",
|
||||
"gstreamer-app",
|
||||
"gstreamer-base",
|
||||
"m3u8-rs",
|
||||
"once_cell",
|
||||
"regex",
|
||||
]
|
||||
|
||||
[[package]]
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||||
name = "gst-plugin-version-helper"
|
||||
version = "0.8.0"
|
||||
source = "git+https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs#66e987c174d23b053124d3d8c2f3e39f10caf70b"
|
||||
dependencies = [
|
||||
"chrono",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "gstreamer"
|
||||
version = "0.18.0"
|
||||
source = "git+https://gitlab.freedesktop.org/gstreamer/gstreamer-rs#ee1a5e8395d0b2d2e07ffd0dd90acd10843c35c1"
|
||||
version = "0.19.0"
|
||||
source = "git+https://gitlab.freedesktop.org/gstreamer/gstreamer-rs#69ea30dbda58fde2387dfdd29215eb9ff1c64339"
|
||||
dependencies = [
|
||||
"bitflags",
|
||||
"cfg-if",
|
||||
"fragile",
|
||||
"futures-channel",
|
||||
"futures-core",
|
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"futures-util",
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@ -246,8 +193,8 @@ dependencies = [
|
|||
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[[package]]
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name = "gstreamer-app"
|
||||
version = "0.18.0"
|
||||
source = "git+https://gitlab.freedesktop.org/gstreamer/gstreamer-rs#ee1a5e8395d0b2d2e07ffd0dd90acd10843c35c1"
|
||||
version = "0.19.0"
|
||||
source = "git+https://gitlab.freedesktop.org/gstreamer/gstreamer-rs#69ea30dbda58fde2387dfdd29215eb9ff1c64339"
|
||||
dependencies = [
|
||||
"bitflags",
|
||||
"futures-core",
|
||||
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@ -262,8 +209,8 @@ dependencies = [
|
|||
|
||||
[[package]]
|
||||
name = "gstreamer-app-sys"
|
||||
version = "0.18.0"
|
||||
source = "git+https://gitlab.freedesktop.org/gstreamer/gstreamer-rs#ee1a5e8395d0b2d2e07ffd0dd90acd10843c35c1"
|
||||
version = "0.19.0"
|
||||
source = "git+https://gitlab.freedesktop.org/gstreamer/gstreamer-rs#69ea30dbda58fde2387dfdd29215eb9ff1c64339"
|
||||
dependencies = [
|
||||
"glib-sys",
|
||||
"gstreamer-base-sys",
|
||||
|
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@ -274,9 +221,10 @@ dependencies = [
|
|||
|
||||
[[package]]
|
||||
name = "gstreamer-base"
|
||||
version = "0.18.0"
|
||||
source = "git+https://gitlab.freedesktop.org/gstreamer/gstreamer-rs#ee1a5e8395d0b2d2e07ffd0dd90acd10843c35c1"
|
||||
version = "0.19.0"
|
||||
source = "git+https://gitlab.freedesktop.org/gstreamer/gstreamer-rs#69ea30dbda58fde2387dfdd29215eb9ff1c64339"
|
||||
dependencies = [
|
||||
"atomic_refcell",
|
||||
"bitflags",
|
||||
"cfg-if",
|
||||
"glib",
|
||||
|
|
@ -287,8 +235,8 @@ dependencies = [
|
|||
|
||||
[[package]]
|
||||
name = "gstreamer-base-sys"
|
||||
version = "0.18.0"
|
||||
source = "git+https://gitlab.freedesktop.org/gstreamer/gstreamer-rs#ee1a5e8395d0b2d2e07ffd0dd90acd10843c35c1"
|
||||
version = "0.19.0"
|
||||
source = "git+https://gitlab.freedesktop.org/gstreamer/gstreamer-rs#69ea30dbda58fde2387dfdd29215eb9ff1c64339"
|
||||
dependencies = [
|
||||
"glib-sys",
|
||||
"gobject-sys",
|
||||
|
|
@ -299,8 +247,8 @@ dependencies = [
|
|||
|
||||
[[package]]
|
||||
name = "gstreamer-sys"
|
||||
version = "0.18.0"
|
||||
source = "git+https://gitlab.freedesktop.org/gstreamer/gstreamer-rs#ee1a5e8395d0b2d2e07ffd0dd90acd10843c35c1"
|
||||
version = "0.19.0"
|
||||
source = "git+https://gitlab.freedesktop.org/gstreamer/gstreamer-rs#69ea30dbda58fde2387dfdd29215eb9ff1c64339"
|
||||
dependencies = [
|
||||
"glib-sys",
|
||||
"gobject-sys",
|
||||
|
|
@ -309,40 +257,45 @@ dependencies = [
|
|||
]
|
||||
|
||||
[[package]]
|
||||
name = "heck"
|
||||
version = "0.3.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
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|
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source = "git+https://gitlab.freedesktop.org/gstreamer/gstreamer-rs#69ea30dbda58fde2387dfdd29215eb9ff1c64339"
|
||||
dependencies = [
|
||||
"unicode-segmentation",
|
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|
||||
"cfg-if",
|
||||
"futures-channel",
|
||||
"glib",
|
||||
"gstreamer",
|
||||
"gstreamer-base",
|
||||
"gstreamer-video-sys",
|
||||
"libc",
|
||||
"once_cell",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "gstreamer-video-sys"
|
||||
version = "0.19.0"
|
||||
source = "git+https://gitlab.freedesktop.org/gstreamer/gstreamer-rs#69ea30dbda58fde2387dfdd29215eb9ff1c64339"
|
||||
dependencies = [
|
||||
"glib-sys",
|
||||
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|
||||
"gstreamer-base-sys",
|
||||
"gstreamer-sys",
|
||||
"libc",
|
||||
"system-deps",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "heck"
|
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|
||||
[[package]]
|
||||
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|
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|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
|
||||
|
|
|
|||
|
|
@ -9,6 +9,8 @@ edition = "2021"
|
|||
rust-version = "1.56"
|
||||
|
||||
[dependencies]
|
||||
gst = { package = "gstreamer", git = "https://gitlab.freedesktop.org/gstreamer/gstreamer-rs", features = ["v1_18"] }
|
||||
gst-plugin-hlssink3 = { package = "gst-plugin-hlssink3", git = "https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs" } # path = "../gst-plugins-rs/net/hlssink3" }
|
||||
gst = { package = "gstreamer", git = "https://gitlab.freedesktop.org/gstreamer/gstreamer-rs", features = ["v1_20"] }
|
||||
gst-video = { package = "gstreamer-video", git = "https://gitlab.freedesktop.org/gstreamer/gstreamer-rs" }
|
||||
gst-app = { package = "gstreamer-app", git = "https://gitlab.freedesktop.org/gstreamer/gstreamer-rs" }
|
||||
anyhow = "1.0.51"
|
||||
ulid = "1"
|
||||
|
|
|
|||
262
src/main.rs
262
src/main.rs
|
|
@ -1,48 +1,252 @@
|
|||
use gst::prelude::*;
|
||||
use anyhow::Error;
|
||||
use gst::{Buffer, FlowError, FlowSuccess, glib};
|
||||
use gst::meta::CustomMeta;
|
||||
use gst::prelude::*;
|
||||
use std::collections::{HashMap, VecDeque};
|
||||
use std::sync::{Arc, Mutex};
|
||||
|
||||
static IDENTITY_META: &str = "IdentityMeta";
|
||||
static BUFFERS_AHEAD_META: &str = "BuffersAheadMeta";
|
||||
|
||||
trait UidSetter {
|
||||
fn set_uid(&mut self, id: String);
|
||||
}
|
||||
|
||||
trait UidGetter {
|
||||
fn uid(&self) -> Option<String>;
|
||||
}
|
||||
|
||||
impl UidSetter for &mut gst::BufferRef {
|
||||
fn set_uid(&mut self, id: String) {
|
||||
let mut meta = gst::meta::CustomMeta::add(self, IDENTITY_META).unwrap();
|
||||
let s = meta.mut_structure();
|
||||
s.set("id", id);
|
||||
}
|
||||
}
|
||||
|
||||
impl UidGetter for &gst::BufferRef {
|
||||
fn uid(&self) -> Option<String> {
|
||||
let meta = match CustomMeta::from_buffer(self, IDENTITY_META) {
|
||||
Ok(m) => m,
|
||||
Err(_) => return None,
|
||||
};
|
||||
let s = meta.structure();
|
||||
s.get::<String>("id").ok()
|
||||
}
|
||||
}
|
||||
|
||||
trait BuffersAheadSetter {
|
||||
fn set_buffers_ahead(&mut self, buffers: Vec<gst::Buffer>);
|
||||
}
|
||||
|
||||
trait BuffersAheadGetter {
|
||||
fn buffers_ahead(&self) -> Option<Vec<gst::Buffer>>;
|
||||
}
|
||||
|
||||
impl BuffersAheadSetter for &mut gst::BufferRef {
|
||||
fn set_buffers_ahead(&mut self, buffers: Vec<gst::Buffer>) {
|
||||
let mut meta = gst::meta::CustomMeta::add(self, BUFFERS_AHEAD_META).unwrap();
|
||||
let s = meta.mut_structure();
|
||||
s.set("buffers", gst::Array::new(buffers));
|
||||
}
|
||||
}
|
||||
|
||||
impl BuffersAheadGetter for &gst::BufferRef {
|
||||
fn buffers_ahead(&self) -> Option<Vec<gst::Buffer>> {
|
||||
let meta = match CustomMeta::from_buffer(self, BUFFERS_AHEAD_META) {
|
||||
Ok(m) => m,
|
||||
Err(_) => return None,
|
||||
};
|
||||
let s = meta.structure();
|
||||
if let Ok(buffers) = s.get::<gst::Array>("buffers") {
|
||||
// println!("\n\t------Found the list\n");
|
||||
//let v = buffers.to_vec().map(|v| v.get_owned::<gst::Buffer>().unwrap()).collect::<Vec<_>>();
|
||||
let mut res = Vec::new();
|
||||
for buffer in buffers.iter() {
|
||||
let b = buffer.to_value().get_owned::<gst::Buffer>().unwrap();
|
||||
res.push(b);
|
||||
}
|
||||
Some(res)
|
||||
} else {
|
||||
None
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
fn main() -> Result<(), Error> {
|
||||
gst::init()?;
|
||||
gst_plugin_hlssink3::plugin_register_static()?;
|
||||
|
||||
let pipeline = gst::parse_launch("videotestsrc num-buffers=2500 ! timecodestamper ! video/x-raw,format=I420,width=1280,height=720,framerate=30/1 ! timeoverlay ! x264enc bframes=0 bitrate=2048 key-int-max=180 option-string=scenecut=0:force-cfr=1 ! video/x-h264,stream-format=avc,alignment=au,profile=main ! h264parse ! tee name=t ! queue ! hlssink3 name=hls-output t. ! queue ! fakesink sync=true").unwrap().downcast::<gst::Pipeline>().unwrap();
|
||||
let hls_output = pipeline.by_name("hls-output").unwrap();
|
||||
hls_output.set_properties(&[
|
||||
("playlist-type", &"vod"),
|
||||
("location", &"s%05d.ts"),
|
||||
("playlist-location", &"master.m3u8"),
|
||||
("target-duration", &6u32),
|
||||
]);
|
||||
let pipeline = gst::parse_launch(r#"
|
||||
|
||||
srtsrc uri=srt://127.0.0.1:7002 ! tsdemux ! h264parse update-timecode=true name=parser ! tee name=t
|
||||
|
||||
t. ! queue ! avdec_h264 ! appsink name=picture-type-setter
|
||||
t. ! queue name=drop-b-frames ! identity name=include-back-b-frame-buffers ! avdec_h264 ! videoconvert ! timeoverlay ! gtksink
|
||||
|
||||
"#,)?.downcast::<gst::Pipeline>().unwrap();
|
||||
/*
|
||||
|
||||
t. ! queue name=drop-b-frames ! transcriberbin name=trans cc-caps=closedcaption/x-cea-708,format=cc_data
|
||||
|
||||
trans.src_video ! queue name=include-back-b-frame-buffers ! avdec_h264 ! videoconvert ! timeoverlay ! cea608overlay black-background=1 ! gtksink
|
||||
trans.src_audio ! audioconvert ! audiorate ! audioresample ! autoaudiosink
|
||||
|
||||
*/
|
||||
|
||||
gst::meta::CustomMeta::register(IDENTITY_META, &[]);
|
||||
gst::meta::CustomMeta::register(BUFFERS_AHEAD_META, &[]);
|
||||
|
||||
let id_gen_shared = Arc::new(Mutex::new(ulid::Generator::new()));
|
||||
let buffer_type_store = Arc::new(Mutex::new(HashMap::new()));
|
||||
let last_dropped_buffers = Arc::new(Mutex::new(Vec::new()));
|
||||
|
||||
let parser = pipeline.by_name("parser").unwrap();
|
||||
parser
|
||||
.static_pad("src")
|
||||
.unwrap()
|
||||
.add_probe(gst::PadProbeType::BUFFER, {
|
||||
let id_gen_shared = id_gen_shared.clone();
|
||||
move |_pad, probe_info| {
|
||||
if let Some(gst::PadProbeData::Buffer(ref mut buffer)) = probe_info.data {
|
||||
let mut id_gen = id_gen_shared.lock().unwrap();
|
||||
let mut buffer = buffer.get_mut().unwrap();
|
||||
|
||||
buffer.set_uid(id_gen.generate().unwrap().to_string());
|
||||
}
|
||||
gst::PadProbeReturn::Ok
|
||||
}
|
||||
});
|
||||
|
||||
let picture_type_setter = pipeline
|
||||
.by_name("picture-type-setter")
|
||||
.unwrap()
|
||||
.downcast::<gst_app::AppSink>()
|
||||
.unwrap();
|
||||
picture_type_setter.set_callbacks(
|
||||
gst_app::AppSinkCallbacks::builder()
|
||||
// Add a handler to the "new-sample" signal.
|
||||
.new_sample({
|
||||
let buffer_type_store = buffer_type_store.clone();
|
||||
move |appsink| {
|
||||
// Pull the sample in question out of the appsink's buffer.
|
||||
let sample = appsink.pull_sample().map_err(|_| gst::FlowError::Eos)?;
|
||||
let buffer = sample.buffer().ok_or(gst::FlowError::Error)?;
|
||||
|
||||
// Pull FFMpeg picture information
|
||||
let picture_type = {
|
||||
let ffmpeg_meta = CustomMeta::from_buffer(buffer, "GstFFMpegPictureMeta")
|
||||
.map_err(|_| {
|
||||
eprintln!("Buffer does not contain FFMpeg meta information, you need to use a modified version of GStreamer");
|
||||
gst::FlowError::Eos
|
||||
})?;
|
||||
let s = ffmpeg_meta.structure();
|
||||
s.get::<String>("picture-type").map_err(|_| gst::FlowError::Eos)?
|
||||
};
|
||||
|
||||
let buffer_id = buffer.uid().ok_or_else(|| {
|
||||
eprintln!("Buffer does not contain Identity meta information");
|
||||
gst::FlowError::Eos
|
||||
})?;
|
||||
|
||||
let mut type_store = buffer_type_store.lock().unwrap();
|
||||
type_store.insert(buffer_id, picture_type);
|
||||
|
||||
Ok(gst::FlowSuccess::Ok)
|
||||
}
|
||||
})
|
||||
.build(),
|
||||
);
|
||||
|
||||
let drop_b_frames_queue = pipeline.by_name("drop-b-frames").unwrap();
|
||||
let queue_srcpad = drop_b_frames_queue.static_pad("src").unwrap();
|
||||
queue_srcpad.set_offset(gst::ClockTime::from_mseconds(500).nseconds() as i64);
|
||||
queue_srcpad.add_probe(gst::PadProbeType::BUFFER, {
|
||||
let buffer_type_store = buffer_type_store.clone();
|
||||
let last_dropped_buffers = last_dropped_buffers.clone();
|
||||
|
||||
move |_pad, probe_info| {
|
||||
if let Some(gst::PadProbeData::Buffer(ref mut buffer)) = probe_info.data {
|
||||
let buffer_id = buffer.as_ref().uid().expect("Buffer UID available");
|
||||
|
||||
let type_store = buffer_type_store.lock().unwrap();
|
||||
let mut last_dropped_buffers = last_dropped_buffers.lock().unwrap();
|
||||
|
||||
if let Some(pic_type) = type_store.get(&buffer_id) {
|
||||
if pic_type == "B" {
|
||||
// Drop B-frame buffers, but save it to cache for later lookup
|
||||
last_dropped_buffers.push( buffer.to_owned());
|
||||
println!("Dropped buffer {buffer_id}");
|
||||
return gst::PadProbeReturn::Drop;
|
||||
} else if last_dropped_buffers.len() > 0 {
|
||||
println!("Found some dropped buffers ahead of {buffer_id}: {:?}", last_dropped_buffers.iter().map(|b| b.as_ref().uid()).collect::<Vec<_>>());
|
||||
// it is the first non-B-frame buffer since we last dropped
|
||||
let mut buffer = buffer.get_mut().unwrap();
|
||||
buffer.set_buffers_ahead(last_dropped_buffers.to_owned());
|
||||
*last_dropped_buffers = Vec::new();
|
||||
}
|
||||
} else {
|
||||
// The first buffer does not have picture type available, but next ones should have it
|
||||
println!("Buffer with id({buffer_id}) does not have picture type information");
|
||||
}
|
||||
}
|
||||
gst::PadProbeReturn::Ok
|
||||
}
|
||||
});
|
||||
|
||||
let reconstruct = pipeline.by_name("include-back-b-frame-buffers").unwrap();
|
||||
reconstruct
|
||||
.static_pad("src")
|
||||
.unwrap()
|
||||
.add_probe(gst::PadProbeType::BUFFER, |pad, probe_info| {
|
||||
if let Some(gst::PadProbeData::Buffer(ref buffer)) = probe_info.data {
|
||||
let mut reconstructed = VecDeque::new();
|
||||
for buffer_ahead in buffer.as_ref().buffers_ahead().unwrap_or_else(|| Vec::new()) {
|
||||
let buffer_id = buffer_ahead.as_ref().uid().unwrap();
|
||||
pad.push(buffer_ahead).expect(format!("Could not push buffer: {buffer_id}").as_str());
|
||||
reconstructed.push_front(buffer_id);
|
||||
}
|
||||
reconstructed.push_front(buffer.as_ref().uid().unwrap());
|
||||
println!("Reconstructed buffer line: {:?}", reconstructed);
|
||||
}
|
||||
gst::PadProbeReturn::Ok
|
||||
});
|
||||
|
||||
pipeline.set_state(gst::State::Playing)?;
|
||||
|
||||
let bus = pipeline
|
||||
.bus()
|
||||
.expect("Pipeline without bus. Shouldn't happen!");
|
||||
let context = glib::MainContext::default();
|
||||
let main_loop = glib::MainLoop::new(Some(&context), false);
|
||||
|
||||
for msg in bus.iter_timed(gst::ClockTime::NONE) {
|
||||
pipeline.set_state(gst::State::Playing)?;
|
||||
|
||||
let bus = pipeline.bus().unwrap();
|
||||
bus.add_watch({
|
||||
let main_loop = main_loop.clone();
|
||||
move |_, msg| {
|
||||
use gst::MessageView;
|
||||
|
||||
let main_loop = &main_loop;
|
||||
match msg.view() {
|
||||
MessageView::Eos(..) => {
|
||||
println!("EOS");
|
||||
break;
|
||||
}
|
||||
MessageView::Eos(..) => main_loop.quit(),
|
||||
MessageView::Error(err) => {
|
||||
pipeline.set_state(gst::State::Null)?;
|
||||
eprintln!(
|
||||
"Got error from {}: {} ({})",
|
||||
msg.src()
|
||||
.map(|s| String::from(s.path_string()))
|
||||
.unwrap_or_else(|| "None".into()),
|
||||
println!(
|
||||
"Error from {:?}: {} ({:?})",
|
||||
err.src().map(|s| s.path_string()),
|
||||
err.error(),
|
||||
err.debug().unwrap_or_else(|| "".into()),
|
||||
err.debug()
|
||||
);
|
||||
break;
|
||||
}
|
||||
_ => {},
|
||||
main_loop.quit();
|
||||
}
|
||||
_ => (),
|
||||
};
|
||||
glib::Continue(true)
|
||||
}
|
||||
})
|
||||
.expect("Failed to add bus watch");
|
||||
|
||||
main_loop.run();
|
||||
|
||||
pipeline.set_state(gst::State::Null)?;
|
||||
bus.remove_watch().unwrap();
|
||||
|
||||
pipeline.set_state(gst::State::Null)?;
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue