mmatt.net
this repo has no description
init
+10
.dockerignore
+10
.dockerignore
+21
.env.example
+21
.env.example
···
1
+
WEBSITE_URL=https://example.com
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+
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+
# Option A: full output URL
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OUTPUT=rtmp://live.example.com/app/mystream
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+
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# Option B: split URL + key (used when OUTPUT is empty)
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RTMP_URL=rtmp://live.example.com/app
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STREAM_KEY=mystream
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+
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WIDTH=1920
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HEIGHT=1080
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FPS=30
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BITRATE_KBPS=4500
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KEYINT_SEC=1
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X264_OPTS=bframes=0
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RETRIES=5
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RETRY_BACKOFF_MS=1000
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STARTUP_DELAY_MS=2000
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FRAME_TIMEOUT_MS=30000
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NO_AUDIO=0
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VERBOSE=0
+109
.github/workflows/build-and-release.yml
+109
.github/workflows/build-and-release.yml
···
1
+
name: Build and Release
2
+
3
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on:
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pull_request:
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push:
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branches:
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- main
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tags:
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- "v*"
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workflow_dispatch:
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permissions:
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contents: write
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+
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jobs:
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build:
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name: ${{ matrix.name }}
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runs-on: ${{ matrix.os }}
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strategy:
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fail-fast: false
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matrix:
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include:
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- name: macOS arm64
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os: macos-14
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target: aarch64-apple-darwin
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artifact_id: macos-arm64
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archive_ext: tar.gz
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bin_name: browser-stream
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- name: Linux x86_64
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os: ubuntu-24.04
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target: x86_64-unknown-linux-gnu
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artifact_id: linux-x86_64
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archive_ext: tar.gz
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bin_name: browser-stream
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- name: Windows x86_64
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os: windows-2022
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target: x86_64-pc-windows-msvc
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artifact_id: windows-x86_64
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archive_ext: zip
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bin_name: browser-stream.exe
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+
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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+
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- name: Setup Rust
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uses: dtolnay/rust-toolchain@stable
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with:
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targets: ${{ matrix.target }}
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- name: Build release binary
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run: cargo build --release --target ${{ matrix.target }}
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- name: Install sidecar tooling (Linux)
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if: runner.os == 'Linux'
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run: |
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sudo apt-get update
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sudo apt-get install -y jq unzip
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- name: Install sidecar tooling (macOS)
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if: runner.os == 'macOS'
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run: brew install jq unzip
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+
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- name: Fetch sidecars (macOS/Linux)
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if: runner.os != 'Windows'
66
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run: ./scripts/fetch-sidecars.sh --destination dist/sidecar
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+
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- name: Fetch sidecars (Windows)
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if: runner.os == 'Windows'
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shell: pwsh
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run: ./scripts/fetch-sidecars.ps1 -Destination dist/sidecar
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+
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- name: Package archive (macOS/Linux)
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if: runner.os != 'Windows'
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run: |
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set -euo pipefail
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ARCHIVE_ROOT="browser-stream-${{ matrix.artifact_id }}"
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PACKAGE_ROOT="dist/${ARCHIVE_ROOT}"
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+
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mkdir -p "$PACKAGE_ROOT/bin" "$PACKAGE_ROOT/sidecar"
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cp "target/${{ matrix.target }}/release/${{ matrix.bin_name }}" "$PACKAGE_ROOT/bin/${{ matrix.bin_name }}"
82
+
cp -R dist/sidecar/. "$PACKAGE_ROOT/sidecar/"
83
+
84
+
tar -czf "dist/${ARCHIVE_ROOT}.tar.gz" -C dist "${ARCHIVE_ROOT}"
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+
86
+
- name: Package archive (Windows)
87
+
if: runner.os == 'Windows'
88
+
shell: pwsh
89
+
run: |
90
+
$archiveRoot = "browser-stream-${{ matrix.artifact_id }}"
91
+
$packageRoot = "dist/$archiveRoot"
92
+
93
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New-Item -ItemType Directory -Force -Path "$packageRoot/bin" | Out-Null
94
+
Copy-Item "target/${{ matrix.target }}/release/${{ matrix.bin_name }}" "$packageRoot/bin/${{ matrix.bin_name }}" -Force
95
+
Copy-Item "dist/sidecar" "$packageRoot/sidecar" -Recurse -Force
96
+
97
+
Compress-Archive -Path $packageRoot -DestinationPath "dist/$archiveRoot.zip" -Force
98
+
99
+
- name: Upload workflow artifact
100
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uses: actions/upload-artifact@v4
101
+
with:
102
+
name: browser-stream-${{ matrix.artifact_id }}
103
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path: dist/browser-stream-${{ matrix.artifact_id }}.${{ matrix.archive_ext }}
104
+
105
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- name: Publish release asset
106
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if: startsWith(github.ref, 'refs/tags/')
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uses: softprops/action-gh-release@v2
108
+
with:
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+
files: dist/browser-stream-${{ matrix.artifact_id }}.${{ matrix.archive_ext }}
+71
.github/workflows/docker-publish.yml
+71
.github/workflows/docker-publish.yml
···
1
+
name: Docker Publish
2
+
3
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on:
4
+
pull_request:
5
+
push:
6
+
branches:
7
+
- main
8
+
tags:
9
+
- "v*"
10
+
workflow_dispatch:
11
+
12
+
permissions:
13
+
contents: read
14
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packages: write
15
+
16
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jobs:
17
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docker:
18
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name: Build and Publish GHCR Image (${{ matrix.variant }})
19
+
runs-on: ubuntu-latest
20
+
strategy:
21
+
fail-fast: false
22
+
matrix:
23
+
include:
24
+
- variant: slim
25
+
target: slim
26
+
platforms: linux/amd64,linux/arm64
27
+
- variant: full
28
+
target: full
29
+
platforms: linux/amd64
30
+
31
+
steps:
32
+
- name: Checkout
33
+
uses: actions/checkout@v4
34
+
35
+
- name: Set up QEMU
36
+
uses: docker/setup-qemu-action@v3
37
+
38
+
- name: Set up Docker Buildx
39
+
uses: docker/setup-buildx-action@v3
40
+
41
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- name: Log in to GHCR
42
+
if: github.event_name != 'pull_request'
43
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uses: docker/login-action@v3
44
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with:
45
+
registry: ghcr.io
46
+
username: ${{ github.actor }}
47
+
password: ${{ secrets.GITHUB_TOKEN }}
48
+
49
+
- name: Generate Docker metadata
50
+
id: meta
51
+
uses: docker/metadata-action@v5
52
+
with:
53
+
images: ghcr.io/${{ github.repository }}
54
+
tags: |
55
+
type=ref,event=branch,suffix=-${{ matrix.variant }}
56
+
type=ref,event=tag,suffix=-${{ matrix.variant }}
57
+
type=sha,prefix=sha-,suffix=-${{ matrix.variant }}
58
+
type=raw,value=latest-${{ matrix.variant }},enable={{is_default_branch}}
59
+
60
+
- name: Build and push
61
+
uses: docker/build-push-action@v6
62
+
with:
63
+
context: .
64
+
file: Dockerfile
65
+
target: ${{ matrix.target }}
66
+
platforms: ${{ matrix.platforms }}
67
+
push: ${{ github.event_name != 'pull_request' }}
68
+
tags: ${{ steps.meta.outputs.tags }}
69
+
labels: ${{ steps.meta.outputs.labels }}
70
+
cache-from: type=gha
71
+
cache-to: type=gha,mode=max
+1
.gitignore
+1
.gitignore
···
1
+
/target
+2522
Cargo.lock
+2522
Cargo.lock
···
1
+
# This file is automatically @generated by Cargo.
2
+
# It is not intended for manual editing.
3
+
version = 4
4
+
5
+
[[package]]
6
+
name = "adler2"
7
+
version = "2.0.1"
8
+
source = "registry+https://github.com/rust-lang/crates.io-index"
9
+
checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa"
10
+
11
+
[[package]]
12
+
name = "aho-corasick"
13
+
version = "1.1.4"
14
+
source = "registry+https://github.com/rust-lang/crates.io-index"
15
+
checksum = "ddd31a130427c27518df266943a5308ed92d4b226cc639f5a8f1002816174301"
16
+
dependencies = [
17
+
"memchr",
18
+
]
19
+
20
+
[[package]]
21
+
name = "aligned"
22
+
version = "0.4.3"
23
+
source = "registry+https://github.com/rust-lang/crates.io-index"
24
+
checksum = "ee4508988c62edf04abd8d92897fca0c2995d907ce1dfeaf369dac3716a40685"
25
+
dependencies = [
26
+
"as-slice",
27
+
]
28
+
29
+
[[package]]
30
+
name = "aligned-vec"
31
+
version = "0.6.4"
32
+
source = "registry+https://github.com/rust-lang/crates.io-index"
33
+
checksum = "dc890384c8602f339876ded803c97ad529f3842aba97f6392b3dba0dd171769b"
34
+
dependencies = [
35
+
"equator",
36
+
]
37
+
38
+
[[package]]
39
+
name = "anstream"
40
+
version = "0.6.21"
41
+
source = "registry+https://github.com/rust-lang/crates.io-index"
42
+
checksum = "43d5b281e737544384e969a5ccad3f1cdd24b48086a0fc1b2a5262a26b8f4f4a"
43
+
dependencies = [
44
+
"anstyle",
45
+
"anstyle-parse",
46
+
"anstyle-query",
47
+
"anstyle-wincon",
48
+
"colorchoice",
49
+
"is_terminal_polyfill",
50
+
"utf8parse",
51
+
]
52
+
53
+
[[package]]
54
+
name = "anstyle"
55
+
version = "1.0.13"
56
+
source = "registry+https://github.com/rust-lang/crates.io-index"
57
+
checksum = "5192cca8006f1fd4f7237516f40fa183bb07f8fbdfedaa0036de5ea9b0b45e78"
58
+
59
+
[[package]]
60
+
name = "anstyle-parse"
61
+
version = "0.2.7"
62
+
source = "registry+https://github.com/rust-lang/crates.io-index"
63
+
checksum = "4e7644824f0aa2c7b9384579234ef10eb7efb6a0deb83f9630a49594dd9c15c2"
64
+
dependencies = [
65
+
"utf8parse",
66
+
]
67
+
68
+
[[package]]
69
+
name = "anstyle-query"
70
+
version = "1.1.5"
71
+
source = "registry+https://github.com/rust-lang/crates.io-index"
72
+
checksum = "40c48f72fd53cd289104fc64099abca73db4166ad86ea0b4341abe65af83dadc"
73
+
dependencies = [
74
+
"windows-sys 0.61.2",
75
+
]
76
+
77
+
[[package]]
78
+
name = "anstyle-wincon"
79
+
version = "3.0.11"
80
+
source = "registry+https://github.com/rust-lang/crates.io-index"
81
+
checksum = "291e6a250ff86cd4a820112fb8898808a366d8f9f58ce16d1f538353ad55747d"
82
+
dependencies = [
83
+
"anstyle",
84
+
"once_cell_polyfill",
85
+
"windows-sys 0.61.2",
86
+
]
87
+
88
+
[[package]]
89
+
name = "anyhow"
90
+
version = "1.0.101"
91
+
source = "registry+https://github.com/rust-lang/crates.io-index"
92
+
checksum = "5f0e0fee31ef5ed1ba1316088939cea399010ed7731dba877ed44aeb407a75ea"
93
+
94
+
[[package]]
95
+
name = "arbitrary"
96
+
version = "1.4.2"
97
+
source = "registry+https://github.com/rust-lang/crates.io-index"
98
+
checksum = "c3d036a3c4ab069c7b410a2ce876bd74808d2d0888a82667669f8e783a898bf1"
99
+
100
+
[[package]]
101
+
name = "arg_enum_proc_macro"
102
+
version = "0.3.4"
103
+
source = "registry+https://github.com/rust-lang/crates.io-index"
104
+
checksum = "0ae92a5119aa49cdbcf6b9f893fe4e1d98b04ccbf82ee0584ad948a44a734dea"
105
+
dependencies = [
106
+
"proc-macro2",
107
+
"quote",
108
+
"syn",
109
+
]
110
+
111
+
[[package]]
112
+
name = "arrayvec"
113
+
version = "0.7.6"
114
+
source = "registry+https://github.com/rust-lang/crates.io-index"
115
+
checksum = "7c02d123df017efcdfbd739ef81735b36c5ba83ec3c59c80a9d7ecc718f92e50"
116
+
117
+
[[package]]
118
+
name = "as-slice"
119
+
version = "0.2.1"
120
+
source = "registry+https://github.com/rust-lang/crates.io-index"
121
+
checksum = "516b6b4f0e40d50dcda9365d53964ec74560ad4284da2e7fc97122cd83174516"
122
+
dependencies = [
123
+
"stable_deref_trait",
124
+
]
125
+
126
+
[[package]]
127
+
name = "assert_matches"
128
+
version = "1.5.0"
129
+
source = "registry+https://github.com/rust-lang/crates.io-index"
130
+
checksum = "9b34d609dfbaf33d6889b2b7106d3ca345eacad44200913df5ba02bfd31d2ba9"
131
+
132
+
[[package]]
133
+
name = "async-tungstenite"
134
+
version = "0.32.1"
135
+
source = "registry+https://github.com/rust-lang/crates.io-index"
136
+
checksum = "8acc405d38be14342132609f06f02acaf825ddccfe76c4824a69281e0458ebd4"
137
+
dependencies = [
138
+
"atomic-waker",
139
+
"futures-core",
140
+
"futures-io",
141
+
"futures-task",
142
+
"futures-util",
143
+
"log",
144
+
"pin-project-lite",
145
+
"tokio",
146
+
"tungstenite",
147
+
]
148
+
149
+
[[package]]
150
+
name = "atomic-waker"
151
+
version = "1.1.2"
152
+
source = "registry+https://github.com/rust-lang/crates.io-index"
153
+
checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"
154
+
155
+
[[package]]
156
+
name = "autocfg"
157
+
version = "1.5.0"
158
+
source = "registry+https://github.com/rust-lang/crates.io-index"
159
+
checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"
160
+
161
+
[[package]]
162
+
name = "av-scenechange"
163
+
version = "0.14.1"
164
+
source = "registry+https://github.com/rust-lang/crates.io-index"
165
+
checksum = "0f321d77c20e19b92c39e7471cf986812cbb46659d2af674adc4331ef3f18394"
166
+
dependencies = [
167
+
"aligned",
168
+
"anyhow",
169
+
"arg_enum_proc_macro",
170
+
"arrayvec",
171
+
"log",
172
+
"num-rational",
173
+
"num-traits",
174
+
"pastey",
175
+
"rayon",
176
+
"thiserror 2.0.18",
177
+
"v_frame",
178
+
"y4m",
179
+
]
180
+
181
+
[[package]]
182
+
name = "av1-grain"
183
+
version = "0.2.5"
184
+
source = "registry+https://github.com/rust-lang/crates.io-index"
185
+
checksum = "8cfddb07216410377231960af4fcab838eaa12e013417781b78bd95ee22077f8"
186
+
dependencies = [
187
+
"anyhow",
188
+
"arrayvec",
189
+
"log",
190
+
"nom",
191
+
"num-rational",
192
+
"v_frame",
193
+
]
194
+
195
+
[[package]]
196
+
name = "avif-serialize"
197
+
version = "0.8.8"
198
+
source = "registry+https://github.com/rust-lang/crates.io-index"
199
+
checksum = "375082f007bd67184fb9c0374614b29f9aaa604ec301635f72338bb65386a53d"
200
+
dependencies = [
201
+
"arrayvec",
202
+
]
203
+
204
+
[[package]]
205
+
name = "base64"
206
+
version = "0.22.1"
207
+
source = "registry+https://github.com/rust-lang/crates.io-index"
208
+
checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
209
+
210
+
[[package]]
211
+
name = "bit_field"
212
+
version = "0.10.3"
213
+
source = "registry+https://github.com/rust-lang/crates.io-index"
214
+
checksum = "1e4b40c7323adcfc0a41c4b88143ed58346ff65a288fc144329c5c45e05d70c6"
215
+
216
+
[[package]]
217
+
name = "bitflags"
218
+
version = "2.11.0"
219
+
source = "registry+https://github.com/rust-lang/crates.io-index"
220
+
checksum = "843867be96c8daad0d758b57df9392b6d8d271134fce549de6ce169ff98a92af"
221
+
222
+
[[package]]
223
+
name = "bitstream-io"
224
+
version = "4.9.0"
225
+
source = "registry+https://github.com/rust-lang/crates.io-index"
226
+
checksum = "60d4bd9d1db2c6bdf285e223a7fa369d5ce98ec767dec949c6ca62863ce61757"
227
+
dependencies = [
228
+
"core2",
229
+
]
230
+
231
+
[[package]]
232
+
name = "block-buffer"
233
+
version = "0.10.4"
234
+
source = "registry+https://github.com/rust-lang/crates.io-index"
235
+
checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
236
+
dependencies = [
237
+
"generic-array",
238
+
]
239
+
240
+
[[package]]
241
+
name = "browser-stream"
242
+
version = "0.1.0"
243
+
dependencies = [
244
+
"anyhow",
245
+
"assert_matches",
246
+
"base64",
247
+
"chromiumoxide",
248
+
"chromiumoxide_cdp",
249
+
"clap",
250
+
"futures",
251
+
"image",
252
+
"thiserror 2.0.18",
253
+
"tokio",
254
+
"tracing",
255
+
"tracing-subscriber",
256
+
"url",
257
+
]
258
+
259
+
[[package]]
260
+
name = "built"
261
+
version = "0.8.0"
262
+
source = "registry+https://github.com/rust-lang/crates.io-index"
263
+
checksum = "f4ad8f11f288f48ca24471bbd51ac257aaeaaa07adae295591266b792902ae64"
264
+
265
+
[[package]]
266
+
name = "bumpalo"
267
+
version = "3.20.1"
268
+
source = "registry+https://github.com/rust-lang/crates.io-index"
269
+
checksum = "5c6f81257d10a0f602a294ae4182251151ff97dbb504ef9afcdda4a64b24d9b4"
270
+
271
+
[[package]]
272
+
name = "bytemuck"
273
+
version = "1.25.0"
274
+
source = "registry+https://github.com/rust-lang/crates.io-index"
275
+
checksum = "c8efb64bd706a16a1bdde310ae86b351e4d21550d98d056f22f8a7f7a2183fec"
276
+
277
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2438
+
checksum = "d71e5d6e06ab090c67b5e44993ec16b72dcbaabc526db883a360057678b48502"
2439
+
dependencies = [
2440
+
"proc-macro2",
2441
+
"quote",
2442
+
"syn",
2443
+
"synstructure",
2444
+
]
2445
+
2446
+
[[package]]
2447
+
name = "zerotrie"
2448
+
version = "0.2.3"
2449
+
source = "registry+https://github.com/rust-lang/crates.io-index"
2450
+
checksum = "2a59c17a5562d507e4b54960e8569ebee33bee890c70aa3fe7b97e85a9fd7851"
2451
+
dependencies = [
2452
+
"displaydoc",
2453
+
"yoke",
2454
+
"zerofrom",
2455
+
]
2456
+
2457
+
[[package]]
2458
+
name = "zerovec"
2459
+
version = "0.11.5"
2460
+
source = "registry+https://github.com/rust-lang/crates.io-index"
2461
+
checksum = "6c28719294829477f525be0186d13efa9a3c602f7ec202ca9e353d310fb9a002"
2462
+
dependencies = [
2463
+
"yoke",
2464
+
"zerofrom",
2465
+
"zerovec-derive",
2466
+
]
2467
+
2468
+
[[package]]
2469
+
name = "zerovec-derive"
2470
+
version = "0.11.2"
2471
+
source = "registry+https://github.com/rust-lang/crates.io-index"
2472
+
checksum = "eadce39539ca5cb3985590102671f2567e659fca9666581ad3411d59207951f3"
2473
+
dependencies = [
2474
+
"proc-macro2",
2475
+
"quote",
2476
+
"syn",
2477
+
]
2478
+
2479
+
[[package]]
2480
+
name = "zmij"
2481
+
version = "1.0.21"
2482
+
source = "registry+https://github.com/rust-lang/crates.io-index"
2483
+
checksum = "b8848ee67ecc8aedbaf3e4122217aff892639231befc6a1b58d29fff4c2cabaa"
2484
+
2485
+
[[package]]
2486
+
name = "zune-core"
2487
+
version = "0.4.12"
2488
+
source = "registry+https://github.com/rust-lang/crates.io-index"
2489
+
checksum = "3f423a2c17029964870cfaabb1f13dfab7d092a62a29a89264f4d36990ca414a"
2490
+
2491
+
[[package]]
2492
+
name = "zune-core"
2493
+
version = "0.5.1"
2494
+
source = "registry+https://github.com/rust-lang/crates.io-index"
2495
+
checksum = "cb8a0807f7c01457d0379ba880ba6322660448ddebc890ce29bb64da71fb40f9"
2496
+
2497
+
[[package]]
2498
+
name = "zune-inflate"
2499
+
version = "0.2.54"
2500
+
source = "registry+https://github.com/rust-lang/crates.io-index"
2501
+
checksum = "73ab332fe2f6680068f3582b16a24f90ad7096d5d39b974d1c0aff0125116f02"
2502
+
dependencies = [
2503
+
"simd-adler32",
2504
+
]
2505
+
2506
+
[[package]]
2507
+
name = "zune-jpeg"
2508
+
version = "0.4.21"
2509
+
source = "registry+https://github.com/rust-lang/crates.io-index"
2510
+
checksum = "29ce2c8a9384ad323cf564b67da86e21d3cfdff87908bc1223ed5c99bc792713"
2511
+
dependencies = [
2512
+
"zune-core 0.4.12",
2513
+
]
2514
+
2515
+
[[package]]
2516
+
name = "zune-jpeg"
2517
+
version = "0.5.12"
2518
+
source = "registry+https://github.com/rust-lang/crates.io-index"
2519
+
checksum = "410e9ecef634c709e3831c2cfdb8d9c32164fae1c67496d5b68fff728eec37fe"
2520
+
dependencies = [
2521
+
"zune-core 0.5.1",
2522
+
]
+21
Cargo.toml
+21
Cargo.toml
···
1
+
[package]
2
+
name = "browser-stream"
3
+
version = "0.1.0"
4
+
edition = "2024"
5
+
6
+
[dependencies]
7
+
anyhow = "1.0"
8
+
base64 = "0.22"
9
+
clap = { version = "4.5", features = ["derive"] }
10
+
chromiumoxide = "0.8"
11
+
chromiumoxide_cdp = "0.8"
12
+
futures = "0.3"
13
+
image = { version = "0.25", default-features = true, features = ["jpeg", "png"] }
14
+
thiserror = "2.0"
15
+
tokio = { version = "1.47", features = ["full"] }
16
+
tracing = "0.1"
17
+
tracing-subscriber = { version = "0.3", features = ["env-filter", "fmt"] }
18
+
url = "2.5"
19
+
20
+
[dev-dependencies]
21
+
assert_matches = "1.5"
+113
Dockerfile
+113
Dockerfile
···
1
+
FROM rust:1.89-bookworm AS builder
2
+
WORKDIR /app
3
+
4
+
COPY Cargo.toml Cargo.lock ./
5
+
COPY src ./src
6
+
7
+
RUN cargo build --release
8
+
9
+
FROM debian:bookworm-slim AS sidecar-fetch
10
+
ARG TARGETARCH
11
+
12
+
RUN arch="${TARGETARCH:-amd64}" \
13
+
&& test "${arch}" = "amd64" || (echo "full image sidecars currently support linux/amd64 only" >&2 && exit 1)
14
+
15
+
RUN apt-get update \
16
+
&& apt-get install -y --no-install-recommends \
17
+
ca-certificates \
18
+
curl \
19
+
jq \
20
+
unzip \
21
+
&& rm -rf /var/lib/apt/lists/*
22
+
23
+
RUN set -euo pipefail; \
24
+
mkdir -p /out/sidecar/chromium /out/sidecar/ffmpeg; \
25
+
chromium_manifest_url="https://googlechromelabs.github.io/chrome-for-testing/last-known-good-versions-with-downloads.json"; \
26
+
chromium_url="$(curl -fsSL "${chromium_manifest_url}" | jq -r '.channels.Stable.downloads["chrome-headless-shell"][] | select(.platform == "linux64") | .url')"; \
27
+
test -n "${chromium_url}" && test "${chromium_url}" != "null"; \
28
+
curl -fL "${chromium_url}" -o /tmp/chromium.zip; \
29
+
unzip -q /tmp/chromium.zip -d /tmp/chromium; \
30
+
chromium_source="$(find /tmp/chromium -type f -name chrome-headless-shell | head -n 1)"; \
31
+
test -n "${chromium_source}"; \
32
+
chromium_root="$(dirname "${chromium_source}")"; \
33
+
cp -R "${chromium_root}"/. /out/sidecar/chromium/; \
34
+
cp "${chromium_source}" /out/sidecar/chromium/headless_shell; \
35
+
chmod +x /out/sidecar/chromium/headless_shell; \
36
+
ffmpeg_url="https://ffmpeg.martin-riedl.de/redirect/latest/linux/amd64/release/ffmpeg.zip"; \
37
+
curl -fL "${ffmpeg_url}" -o /tmp/ffmpeg.zip; \
38
+
unzip -q /tmp/ffmpeg.zip -d /tmp/ffmpeg; \
39
+
ffmpeg_source="$(find /tmp/ffmpeg -type f -name ffmpeg | head -n 1)"; \
40
+
test -n "${ffmpeg_source}"; \
41
+
cp "${ffmpeg_source}" /out/sidecar/ffmpeg/ffmpeg; \
42
+
chmod +x /out/sidecar/ffmpeg/ffmpeg
43
+
44
+
FROM debian:bookworm-slim AS runtime-base
45
+
WORKDIR /app
46
+
47
+
RUN apt-get update \
48
+
&& apt-get install -y --no-install-recommends \
49
+
ca-certificates \
50
+
fonts-liberation \
51
+
libasound2 \
52
+
libatk-bridge2.0-0 \
53
+
libatk1.0-0 \
54
+
libc6 \
55
+
libcairo2 \
56
+
libcups2 \
57
+
libdbus-1-3 \
58
+
libdrm2 \
59
+
libexpat1 \
60
+
libgbm1 \
61
+
libglib2.0-0 \
62
+
libgtk-3-0 \
63
+
libnspr4 \
64
+
libnss3 \
65
+
libpango-1.0-0 \
66
+
libu2f-udev \
67
+
libx11-6 \
68
+
libx11-xcb1 \
69
+
libxcb1 \
70
+
libxcomposite1 \
71
+
libxcursor1 \
72
+
libxdamage1 \
73
+
libxext6 \
74
+
libxfixes3 \
75
+
libxi6 \
76
+
libxkbcommon0 \
77
+
libxrandr2 \
78
+
libxrender1 \
79
+
libxshmfence1 \
80
+
xdg-utils \
81
+
&& rm -rf /var/lib/apt/lists/*
82
+
83
+
COPY --from=builder /app/target/release/browser-stream /usr/local/bin/browser-stream
84
+
COPY docker/entrypoint.sh /usr/local/bin/entrypoint.sh
85
+
RUN chmod +x /usr/local/bin/entrypoint.sh
86
+
87
+
RUN groupadd --system browserstream \
88
+
&& useradd --system --gid browserstream --create-home --home-dir /home/browserstream browserstream
89
+
90
+
ENV RUST_LOG=info
91
+
ENV BROWSER_STREAM_NO_SANDBOX=1
92
+
93
+
ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]
94
+
95
+
FROM runtime-base AS full
96
+
COPY --from=sidecar-fetch /out/sidecar /opt/sidecar
97
+
RUN chown -R browserstream:browserstream /opt/sidecar
98
+
99
+
ENV BROWSER_STREAM_CHROMIUM_PATH=/opt/sidecar/chromium/headless_shell
100
+
ENV BROWSER_STREAM_FFMPEG_PATH=/opt/sidecar/ffmpeg/ffmpeg
101
+
102
+
USER browserstream
103
+
104
+
FROM runtime-base AS slim
105
+
RUN apt-get update \
106
+
&& apt-get install -y --no-install-recommends \
107
+
chromium \
108
+
ffmpeg \
109
+
&& rm -rf /var/lib/apt/lists/*
110
+
111
+
USER browserstream
112
+
113
+
FROM slim AS default
+177
README.md
+177
README.md
···
1
+
# browser-stream
2
+
3
+
Rust CLI to stream a fullscreen browser-rendered website to RTMP/RTMPS using bundled Chromium Headless Shell and FFmpeg sidecars.
4
+
5
+
## Expected sidecar layout
6
+
7
+
The binary resolves sidecars relative to itself:
8
+
9
+
- `../sidecar/chromium/headless_shell` (`headless_shell.exe` on Windows)
10
+
- `../sidecar/ffmpeg/ffmpeg` (`ffmpeg.exe` on Windows)
11
+
12
+
You can override both paths with CLI flags:
13
+
14
+
- `--chromium-path /abs/path/to/headless_shell`
15
+
- `--ffmpeg-path /abs/path/to/ffmpeg`
16
+
17
+
## Local Sidecar Setup
18
+
19
+
When running with `cargo run`, the executable lives under `target/`, so sidecars are expected under `target/sidecar`.
20
+
21
+
Fetch sidecars for your host platform:
22
+
23
+
```bash
24
+
./scripts/fetch-sidecars.sh
25
+
```
26
+
27
+
Windows (PowerShell):
28
+
29
+
```powershell
30
+
./scripts/fetch-sidecars.ps1
31
+
```
32
+
33
+
## Usage
34
+
35
+
```bash
36
+
cargo run -- \
37
+
--url https://example.com \
38
+
--width 1920 \
39
+
--height 1080 \
40
+
--fps 30 \
41
+
--bitrate-kbps 4500 \
42
+
--keyint-sec 1 \
43
+
--x264-opts bframes=0 \
44
+
--rtmp-url rtmp://live.example.com/app \
45
+
--stream-key mystream
46
+
```
47
+
48
+
Equivalent full-output form:
49
+
50
+
```bash
51
+
cargo run -- \
52
+
--url https://example.com \
53
+
--output rtmp://live.example.com/app/mystream
54
+
```
55
+
56
+
## Docker Compose
57
+
58
+
`docker-compose.yml` defines two image variants:
59
+
60
+
- `slim` (default service `browser-stream`): uses system `chromium` + `ffmpeg` packages in the container.
61
+
- `full` (service `browser-stream-full`): bundles sidecar binaries in image at `/opt/sidecar/...`.
62
+
63
+
Build and run `slim` (default):
64
+
65
+
```bash
66
+
docker compose up --build
67
+
```
68
+
69
+
Build and run `full`:
70
+
71
+
```bash
72
+
docker compose --profile full up --build browser-stream-full
73
+
```
74
+
75
+
Or build directly with Docker targets:
76
+
77
+
```bash
78
+
docker build --target slim -t browser-stream:slim .
79
+
docker build --target full -t browser-stream:full .
80
+
```
81
+
82
+
Configure with environment variables (for example in `.env`):
83
+
84
+
```bash
85
+
WEBSITE_URL=https://example.com
86
+
# Option A: full output URL
87
+
OUTPUT=rtmp://live.example.com/app/mystream
88
+
89
+
# Option B: split URL + key (used when OUTPUT is empty)
90
+
RTMP_URL=rtmp://live.example.com/app
91
+
STREAM_KEY=mystream
92
+
93
+
WIDTH=1920
94
+
HEIGHT=1080
95
+
FPS=30
96
+
BITRATE_KBPS=4500
97
+
KEYINT_SEC=1
98
+
X264_OPTS=bframes=0
99
+
RETRIES=5
100
+
RETRY_BACKOFF_MS=1000
101
+
STARTUP_DELAY_MS=2000
102
+
FRAME_TIMEOUT_MS=30000
103
+
NO_AUDIO=0
104
+
VERBOSE=0
105
+
```
106
+
107
+
Binary resolution in containers:
108
+
109
+
- `slim`: auto-detects system `chromium`/`chromium-browser` and `ffmpeg`.
110
+
- `full`: uses bundled sidecars via `BROWSER_STREAM_CHROMIUM_PATH` and `BROWSER_STREAM_FFMPEG_PATH`.
111
+
112
+
No sidecar downloads are required for either image.
113
+
Both images set `BROWSER_STREAM_NO_SANDBOX=1` for Chromium compatibility in containers.
114
+
115
+
## Defaults
116
+
117
+
- `width=1920`
118
+
- `height=1080`
119
+
- `fps=30`
120
+
- `bitrate-kbps=4500`
121
+
- `keyint-sec=1`
122
+
- `x264-opts=bframes=0`
123
+
- `retries=5`
124
+
- `retry-backoff-ms=1000`
125
+
- `startup-delay-ms=2000`
126
+
- `frame-timeout-ms=30000`
127
+
- `no-audio=false` (silent audio track enabled by default)
128
+
129
+
## Notes
130
+
131
+
- v1 supports public HTTP(S) website URLs.
132
+
- A silent audio track is included by default for RTMP compatibility.
133
+
- Use `--no-audio` to disable audio.
134
+
- RTMP output supports `rtmp://` and `rtmps://`.
135
+
- On stream failure, the app retries a fixed number of times and exits non-zero once exhausted.
136
+
- Runtime controls while streaming:
137
+
- type `r` or `refresh` then press Enter to manually reload the page.
138
+
- type `h` or `help` then press Enter to print controls.
139
+
- with compose, run foreground (`docker compose up`) to send commands directly via stdin.
140
+
141
+
## GitHub Release Bundling
142
+
143
+
Workflow: `.github/workflows/build-and-release.yml`
144
+
145
+
- Builds release binaries for:
146
+
- macOS arm64
147
+
- Linux x86_64
148
+
- Windows x86_64
149
+
- Downloads platform sidecars and packages archives in this layout:
150
+
- `bin/browser-stream[.exe]`
151
+
- `sidecar/chromium/headless_shell[.exe]`
152
+
- `sidecar/ffmpeg/ffmpeg[.exe]`
153
+
- Uploads build artifacts on PR/push.
154
+
- Publishes release assets automatically on tags like `v0.1.0`.
155
+
156
+
## GHCR Docker Publish
157
+
158
+
Workflow: `.github/workflows/docker-publish.yml`
159
+
160
+
- Builds and publishes both Docker variants:
161
+
- `slim`: `linux/amd64` and `linux/arm64`
162
+
- `full`: `linux/amd64` (sidecar availability)
163
+
- Publishes to GitHub Container Registry on push to `main` and version tags (`v*`).
164
+
- Uses image name:
165
+
- `ghcr.io/<owner>/<repo>`
166
+
- Example for this repo: `ghcr.io/mmattbtw/browser-stream`
167
+
- Tags include:
168
+
- `latest-slim` / `latest-full` (default branch)
169
+
- branch/tag refs with suffixes (`-slim`, `-full`)
170
+
- `sha-<commit>-slim` / `sha-<commit>-full`
171
+
172
+
Example:
173
+
174
+
```bash
175
+
docker pull ghcr.io/mmattbtw/browser-stream:latest-slim
176
+
docker pull ghcr.io/mmattbtw/browser-stream:latest-full
177
+
```
+42
docker-compose.yml
+42
docker-compose.yml
···
1
+
x-browser-stream-env: &browser-stream-env
2
+
WEBSITE_URL: ${WEBSITE_URL:-https://example.com}
3
+
OUTPUT: ${OUTPUT:-}
4
+
RTMP_URL: ${RTMP_URL:-rtmp://live.example.com/app}
5
+
STREAM_KEY: ${STREAM_KEY:-changeme}
6
+
WIDTH: ${WIDTH:-1920}
7
+
HEIGHT: ${HEIGHT:-1080}
8
+
FPS: ${FPS:-30}
9
+
BITRATE_KBPS: ${BITRATE_KBPS:-4500}
10
+
KEYINT_SEC: ${KEYINT_SEC:-1}
11
+
X264_OPTS: ${X264_OPTS:-bframes=0}
12
+
RETRIES: ${RETRIES:-5}
13
+
RETRY_BACKOFF_MS: ${RETRY_BACKOFF_MS:-1000}
14
+
STARTUP_DELAY_MS: ${STARTUP_DELAY_MS:-2000}
15
+
FRAME_TIMEOUT_MS: ${FRAME_TIMEOUT_MS:-30000}
16
+
NO_AUDIO: ${NO_AUDIO:-0}
17
+
VERBOSE: ${VERBOSE:-0}
18
+
19
+
x-browser-stream-common: &browser-stream-common
20
+
restart: unless-stopped
21
+
environment: *browser-stream-env
22
+
stdin_open: true
23
+
tty: true
24
+
25
+
services:
26
+
browser-stream:
27
+
<<: *browser-stream-common
28
+
build:
29
+
context: .
30
+
dockerfile: Dockerfile
31
+
target: slim
32
+
image: browser-stream:slim
33
+
34
+
browser-stream-full:
35
+
<<: *browser-stream-common
36
+
build:
37
+
context: .
38
+
dockerfile: Dockerfile
39
+
target: full
40
+
image: browser-stream:full
41
+
profiles:
42
+
- full
+74
docker/entrypoint.sh
+74
docker/entrypoint.sh
···
1
+
#!/usr/bin/env bash
2
+
set -euo pipefail
3
+
4
+
if [[ -z "${WEBSITE_URL:-}" ]]; then
5
+
echo "WEBSITE_URL is required" >&2
6
+
exit 1
7
+
fi
8
+
9
+
if [[ -z "${OUTPUT:-}" && ( -z "${RTMP_URL:-}" || -z "${STREAM_KEY:-}" ) ]]; then
10
+
echo "Provide either OUTPUT or both RTMP_URL and STREAM_KEY" >&2
11
+
exit 1
12
+
fi
13
+
14
+
if [[ -n "${BROWSER_STREAM_CHROMIUM_PATH:-}" ]]; then
15
+
CHROMIUM_BIN="${BROWSER_STREAM_CHROMIUM_PATH}"
16
+
elif command -v chromium >/dev/null 2>&1; then
17
+
CHROMIUM_BIN="$(command -v chromium)"
18
+
elif command -v chromium-browser >/dev/null 2>&1; then
19
+
CHROMIUM_BIN="$(command -v chromium-browser)"
20
+
else
21
+
echo "Could not find chromium binary in container" >&2
22
+
exit 1
23
+
fi
24
+
25
+
if [[ ! -x "${CHROMIUM_BIN}" ]]; then
26
+
echo "Configured chromium binary is not executable: ${CHROMIUM_BIN}" >&2
27
+
exit 1
28
+
fi
29
+
30
+
if [[ -n "${BROWSER_STREAM_FFMPEG_PATH:-}" ]]; then
31
+
FFMPEG_BIN="${BROWSER_STREAM_FFMPEG_PATH}"
32
+
elif command -v ffmpeg >/dev/null 2>&1; then
33
+
FFMPEG_BIN="$(command -v ffmpeg)"
34
+
else
35
+
echo "Could not find ffmpeg binary in container" >&2
36
+
exit 1
37
+
fi
38
+
39
+
if [[ ! -x "${FFMPEG_BIN}" ]]; then
40
+
echo "Configured ffmpeg binary is not executable: ${FFMPEG_BIN}" >&2
41
+
exit 1
42
+
fi
43
+
44
+
args=(
45
+
--url "${WEBSITE_URL}"
46
+
--width "${WIDTH:-1920}"
47
+
--height "${HEIGHT:-1080}"
48
+
--fps "${FPS:-30}"
49
+
--bitrate-kbps "${BITRATE_KBPS:-4500}"
50
+
--keyint-sec "${KEYINT_SEC:-1}"
51
+
--x264-opts "${X264_OPTS:-bframes=0}"
52
+
--retries "${RETRIES:-5}"
53
+
--retry-backoff-ms "${RETRY_BACKOFF_MS:-1000}"
54
+
--startup-delay-ms "${STARTUP_DELAY_MS:-2000}"
55
+
--frame-timeout-ms "${FRAME_TIMEOUT_MS:-30000}"
56
+
--chromium-path "${CHROMIUM_BIN}"
57
+
--ffmpeg-path "${FFMPEG_BIN}"
58
+
)
59
+
60
+
if [[ -n "${OUTPUT:-}" ]]; then
61
+
args+=(--output "${OUTPUT}")
62
+
else
63
+
args+=(--rtmp-url "${RTMP_URL}" --stream-key "${STREAM_KEY}")
64
+
fi
65
+
66
+
if [[ "${VERBOSE:-0}" == "1" || "${VERBOSE:-false}" == "true" ]]; then
67
+
args+=(--verbose)
68
+
fi
69
+
70
+
if [[ "${NO_AUDIO:-0}" == "1" || "${NO_AUDIO:-false}" == "true" ]]; then
71
+
args+=(--no-audio)
72
+
fi
73
+
74
+
exec /usr/local/bin/browser-stream "${args[@]}" "$@"
+60
scripts/fetch-sidecars.ps1
+60
scripts/fetch-sidecars.ps1
···
1
+
param(
2
+
[string]$Destination = "target/sidecar"
3
+
)
4
+
5
+
$ErrorActionPreference = "Stop"
6
+
7
+
Write-Host "Fetching Chromium headless shell and FFmpeg sidecars..."
8
+
9
+
New-Item -ItemType Directory -Force -Path "$Destination/chromium" | Out-Null
10
+
New-Item -ItemType Directory -Force -Path "$Destination/ffmpeg" | Out-Null
11
+
12
+
$tmpRoot = Join-Path $env:TEMP ("browser-stream-sidecars-" + [guid]::NewGuid().ToString())
13
+
New-Item -ItemType Directory -Path $tmpRoot | Out-Null
14
+
15
+
try {
16
+
$manifestUrl = "https://googlechromelabs.github.io/chrome-for-testing/last-known-good-versions-with-downloads.json"
17
+
$manifest = Invoke-RestMethod -Uri $manifestUrl
18
+
19
+
$chromiumEntry = $manifest.channels.Stable.downloads.'chrome-headless-shell' |
20
+
Where-Object { $_.platform -eq 'win64' } |
21
+
Select-Object -First 1
22
+
23
+
if (-not $chromiumEntry) {
24
+
throw "Could not resolve chrome-headless-shell download URL for win64"
25
+
}
26
+
27
+
$chromiumZip = Join-Path $tmpRoot "chromium.zip"
28
+
Invoke-WebRequest -Uri $chromiumEntry.url -OutFile $chromiumZip
29
+
Expand-Archive -Path $chromiumZip -DestinationPath (Join-Path $tmpRoot "chromium") -Force
30
+
31
+
$chromiumExe = Get-ChildItem -Path (Join-Path $tmpRoot "chromium") -Recurse -File -Filter "chrome-headless-shell.exe" | Select-Object -First 1
32
+
if (-not $chromiumExe) {
33
+
throw "Could not find chrome-headless-shell.exe in downloaded Chromium archive"
34
+
}
35
+
36
+
$chromiumRoot = $chromiumExe.Directory.FullName
37
+
Copy-Item -Path (Join-Path $chromiumRoot '*') -Destination (Join-Path $Destination "chromium") -Recurse -Force
38
+
Copy-Item -Path $chromiumExe.FullName -Destination (Join-Path $Destination "chromium/headless_shell.exe") -Force
39
+
40
+
$ffmpegUrl = "https://www.gyan.dev/ffmpeg/builds/ffmpeg-release-essentials.zip"
41
+
$ffmpegZip = Join-Path $tmpRoot "ffmpeg.zip"
42
+
Invoke-WebRequest -Uri $ffmpegUrl -OutFile $ffmpegZip
43
+
Expand-Archive -Path $ffmpegZip -DestinationPath (Join-Path $tmpRoot "ffmpeg") -Force
44
+
45
+
$ffmpegExe = Get-ChildItem -Path (Join-Path $tmpRoot "ffmpeg") -Recurse -File -Filter "ffmpeg.exe" | Select-Object -First 1
46
+
if (-not $ffmpegExe) {
47
+
throw "Could not find ffmpeg.exe in downloaded FFmpeg archive"
48
+
}
49
+
50
+
Copy-Item -Path $ffmpegExe.FullName -Destination (Join-Path $Destination "ffmpeg/ffmpeg.exe") -Force
51
+
52
+
Write-Host "Sidecars installed:"
53
+
Write-Host " Chromium: $Destination/chromium/headless_shell.exe"
54
+
Write-Host " FFmpeg: $Destination/ffmpeg/ffmpeg.exe"
55
+
}
56
+
finally {
57
+
if (Test-Path $tmpRoot) {
58
+
Remove-Item -Path $tmpRoot -Recurse -Force
59
+
}
60
+
}
+115
scripts/fetch-sidecars.sh
+115
scripts/fetch-sidecars.sh
···
1
+
#!/usr/bin/env bash
2
+
set -euo pipefail
3
+
4
+
DESTINATION="target/sidecar"
5
+
6
+
while [[ $# -gt 0 ]]; do
7
+
case "$1" in
8
+
--destination)
9
+
DESTINATION="$2"
10
+
shift 2
11
+
;;
12
+
-h|--help)
13
+
cat <<'USAGE'
14
+
Fetch bundled Chromium Headless Shell and FFmpeg sidecars for the current platform.
15
+
16
+
Usage:
17
+
./scripts/fetch-sidecars.sh [--destination <dir>]
18
+
19
+
Defaults:
20
+
destination: target/sidecar
21
+
USAGE
22
+
exit 0
23
+
;;
24
+
*)
25
+
echo "Unknown argument: $1" >&2
26
+
exit 1
27
+
;;
28
+
esac
29
+
done
30
+
31
+
if ! command -v curl >/dev/null 2>&1; then
32
+
echo "curl is required" >&2
33
+
exit 1
34
+
fi
35
+
36
+
if ! command -v jq >/dev/null 2>&1; then
37
+
echo "jq is required" >&2
38
+
exit 1
39
+
fi
40
+
41
+
if ! command -v unzip >/dev/null 2>&1; then
42
+
echo "unzip is required" >&2
43
+
exit 1
44
+
fi
45
+
46
+
uname_s="$(uname -s)"
47
+
uname_m="$(uname -m)"
48
+
49
+
chromium_platform=""
50
+
ffmpeg_url=""
51
+
chromium_exec_name="chrome-headless-shell"
52
+
ffmpeg_exec_name="ffmpeg"
53
+
54
+
case "${uname_s}:${uname_m}" in
55
+
Darwin:arm64)
56
+
chromium_platform="mac-arm64"
57
+
ffmpeg_url="https://ffmpeg.martin-riedl.de/redirect/latest/macos/arm64/release/ffmpeg.zip"
58
+
;;
59
+
Linux:x86_64)
60
+
chromium_platform="linux64"
61
+
ffmpeg_url="https://ffmpeg.martin-riedl.de/redirect/latest/linux/amd64/release/ffmpeg.zip"
62
+
;;
63
+
*)
64
+
echo "Unsupported platform ${uname_s}/${uname_m}. This script supports macOS arm64 and Linux x86_64." >&2
65
+
exit 1
66
+
;;
67
+
esac
68
+
69
+
chrome_manifest_url="https://googlechromelabs.github.io/chrome-for-testing/last-known-good-versions-with-downloads.json"
70
+
chromium_url="$(curl -fsSL "$chrome_manifest_url" | jq -r --arg platform "$chromium_platform" '.channels.Stable.downloads["chrome-headless-shell"][] | select(.platform == $platform) | .url')"
71
+
72
+
if [[ -z "$chromium_url" || "$chromium_url" == "null" ]]; then
73
+
echo "Failed to resolve Chromium headless shell URL for platform ${chromium_platform}" >&2
74
+
exit 1
75
+
fi
76
+
77
+
tmp_dir="$(mktemp -d)"
78
+
trap 'rm -rf "$tmp_dir"' EXIT
79
+
80
+
mkdir -p "$DESTINATION/chromium" "$DESTINATION/ffmpeg"
81
+
82
+
chromium_zip="$tmp_dir/chromium.zip"
83
+
ffmpeg_zip="$tmp_dir/ffmpeg.zip"
84
+
85
+
printf 'Downloading Chromium headless shell (%s)\n' "$chromium_platform"
86
+
curl -fL "$chromium_url" -o "$chromium_zip"
87
+
unzip -q "$chromium_zip" -d "$tmp_dir/chromium"
88
+
89
+
chromium_source="$(find "$tmp_dir/chromium" -type f -name "$chromium_exec_name" | head -n 1)"
90
+
if [[ -z "$chromium_source" ]]; then
91
+
echo "Could not find ${chromium_exec_name} inside Chromium archive" >&2
92
+
exit 1
93
+
fi
94
+
95
+
chromium_root="$(dirname "$chromium_source")"
96
+
cp -R "$chromium_root"/. "$DESTINATION/chromium/"
97
+
cp "$chromium_source" "$DESTINATION/chromium/headless_shell"
98
+
chmod +x "$DESTINATION/chromium/headless_shell"
99
+
100
+
printf 'Downloading FFmpeg\n'
101
+
curl -fL "$ffmpeg_url" -o "$ffmpeg_zip"
102
+
unzip -q "$ffmpeg_zip" -d "$tmp_dir/ffmpeg"
103
+
104
+
ffmpeg_source="$(find "$tmp_dir/ffmpeg" -type f -name "$ffmpeg_exec_name" | head -n 1)"
105
+
if [[ -z "$ffmpeg_source" ]]; then
106
+
echo "Could not find ${ffmpeg_exec_name} inside FFmpeg archive" >&2
107
+
exit 1
108
+
fi
109
+
110
+
cp "$ffmpeg_source" "$DESTINATION/ffmpeg/ffmpeg"
111
+
chmod +x "$DESTINATION/ffmpeg/ffmpeg"
112
+
113
+
printf 'Sidecars installed:\n'
114
+
printf ' Chromium: %s\n' "$DESTINATION/chromium/headless_shell"
115
+
printf ' FFmpeg: %s\n' "$DESTINATION/ffmpeg/ffmpeg"
+289
src/chromium.rs
+289
src/chromium.rs
···
1
+
use std::path::{Path, PathBuf};
2
+
use std::time::Duration;
3
+
4
+
use anyhow::{Context, Result, anyhow};
5
+
use chromiumoxide::browser::{Browser, BrowserConfig};
6
+
use chromiumoxide::cdp::browser_protocol::page::{
7
+
EventScreencastFrame, ScreencastFrameAckParams, StartScreencastFormat, StartScreencastParams,
8
+
StopScreencastParams,
9
+
};
10
+
use chromiumoxide::handler::viewport::Viewport;
11
+
use futures::StreamExt;
12
+
use tokio::io::{AsyncBufReadExt, BufReader};
13
+
use tokio::sync::mpsc;
14
+
use tokio::time::MissedTickBehavior;
15
+
use tracing::{debug, error, info, warn};
16
+
17
+
use crate::cli::AppConfig;
18
+
use crate::encoder::FfmpegEncoder;
19
+
use crate::error::RuntimeError;
20
+
use crate::frame::{RgbFrame, decode_screencast_frame};
21
+
22
+
pub async fn stream_browser_to_encoder(
23
+
config: &AppConfig,
24
+
chromium_path: &Path,
25
+
encoder: &mut FfmpegEncoder,
26
+
) -> Result<()> {
27
+
let viewport = Viewport {
28
+
width: config.width,
29
+
height: config.height,
30
+
device_scale_factor: Some(1.0),
31
+
emulating_mobile: false,
32
+
is_landscape: config.width >= config.height,
33
+
has_touch: false,
34
+
};
35
+
36
+
let mut browser_builder = BrowserConfig::builder()
37
+
.chrome_executable(chromium_path)
38
+
.window_size(config.width, config.height)
39
+
.new_headless_mode()
40
+
.viewport(viewport)
41
+
.arg("--autoplay-policy=no-user-gesture-required")
42
+
.arg("--disable-background-timer-throttling")
43
+
.arg("--disable-backgrounding-occluded-windows")
44
+
.arg("--disable-renderer-backgrounding");
45
+
46
+
if no_sandbox_from_env() {
47
+
browser_builder = browser_builder.no_sandbox();
48
+
}
49
+
50
+
let browser_config = browser_builder
51
+
.build()
52
+
.map_err(|err| anyhow!("failed to build browser config: {err}"))?;
53
+
54
+
info!(chromium = %chromium_path.display(), "starting chromium");
55
+
56
+
let (mut browser, mut handler) = Browser::launch(browser_config)
57
+
.await
58
+
.context("failed to launch chromium")?;
59
+
60
+
let handler_task = tokio::spawn(async move {
61
+
while let Some(item) = handler.next().await {
62
+
if let Err(err) = item {
63
+
error!("chromium handler error: {err}");
64
+
break;
65
+
}
66
+
}
67
+
});
68
+
69
+
let page = browser
70
+
.new_page("about:blank")
71
+
.await
72
+
.context("failed to create page")?;
73
+
74
+
page.goto(config.website_url.as_str())
75
+
.await
76
+
.with_context(|| format!("failed loading {}", config.website_url))?;
77
+
78
+
// `goto` waits for page load completion. Delay further for dynamic JS/CSS settling.
79
+
tokio::time::sleep(Duration::from_millis(config.startup_delay_ms)).await;
80
+
81
+
let mut frame_events = page
82
+
.event_listener::<EventScreencastFrame>()
83
+
.await
84
+
.context("failed to register screencast event listener")?;
85
+
86
+
let start_params = StartScreencastParams::builder()
87
+
.format(StartScreencastFormat::Jpeg)
88
+
.quality(80_i64)
89
+
.max_width(i64::from(config.width))
90
+
.max_height(i64::from(config.height))
91
+
.every_nth_frame(1_i64)
92
+
.build();
93
+
94
+
page.execute(start_params)
95
+
.await
96
+
.context("failed to start screencast")?;
97
+
98
+
info!("runtime controls: type `r` then Enter to refresh the page");
99
+
100
+
let mut control_rx = spawn_control_listener();
101
+
let frame_interval = Duration::from_secs_f64(1.0_f64 / f64::from(config.fps));
102
+
let mut frame_tick = tokio::time::interval(frame_interval);
103
+
frame_tick.set_missed_tick_behavior(MissedTickBehavior::Skip);
104
+
frame_tick.tick().await;
105
+
let mut stats_tick = tokio::time::interval(Duration::from_secs(5));
106
+
stats_tick.set_missed_tick_behavior(MissedTickBehavior::Skip);
107
+
stats_tick.tick().await;
108
+
109
+
let first_frame_timeout = tokio::time::sleep(Duration::from_millis(config.frame_timeout_ms));
110
+
tokio::pin!(first_frame_timeout);
111
+
let mut latest_frame: Option<RgbFrame> = None;
112
+
let mut decoded_frames: u64 = 0;
113
+
let mut encoded_frames: u64 = 0;
114
+
115
+
let stream_result: Result<()> = async {
116
+
loop {
117
+
tokio::select! {
118
+
biased;
119
+
_ = frame_tick.tick() => {
120
+
if let Some(frame) = latest_frame.as_ref() {
121
+
encoder.write_frame(frame).await?;
122
+
encoded_frames = encoded_frames.saturating_add(1);
123
+
}
124
+
}
125
+
maybe_event = frame_events.next() => {
126
+
let event = maybe_event.context("screencast event stream ended unexpectedly")?;
127
+
128
+
page.execute(ScreencastFrameAckParams::new(event.session_id))
129
+
.await
130
+
.context("failed to ack screencast frame")?;
131
+
132
+
let frame = decode_screencast_frame(event.data.as_ref(), config.width, config.height)
133
+
.context("failed to decode screencast frame")?;
134
+
135
+
if latest_frame.is_none() {
136
+
info!("received first screencast frame");
137
+
// Prime ffmpeg immediately so it can initialize output without waiting for the first tick.
138
+
encoder.write_frame(&frame).await?;
139
+
encoded_frames = encoded_frames.saturating_add(1);
140
+
}
141
+
decoded_frames = decoded_frames.saturating_add(1);
142
+
latest_frame = Some(frame);
143
+
}
144
+
_ = stats_tick.tick() => {
145
+
debug!(
146
+
decoded_frames,
147
+
encoded_frames,
148
+
has_frame = latest_frame.is_some(),
149
+
"streaming stats"
150
+
);
151
+
}
152
+
command = control_rx.recv() => {
153
+
match command {
154
+
Some(ControlCommand::Refresh) => {
155
+
page.reload()
156
+
.await
157
+
.context("manual refresh failed")?;
158
+
info!("manual refresh applied");
159
+
}
160
+
Some(ControlCommand::Help) => {
161
+
info!("runtime controls: `r` or `refresh` reloads the page");
162
+
}
163
+
None => {
164
+
// stdin closed; continue streaming without runtime controls.
165
+
}
166
+
}
167
+
}
168
+
_ = tokio::signal::ctrl_c() => {
169
+
return Err(RuntimeError::ShutdownRequested.into());
170
+
}
171
+
_ = &mut first_frame_timeout, if latest_frame.is_none() => {
172
+
return Err(RuntimeError::ScreencastTimeout.into());
173
+
}
174
+
}
175
+
}
176
+
}
177
+
.await;
178
+
179
+
if let Err(err) = page.execute(StopScreencastParams::default()).await {
180
+
warn!("failed to stop screencast cleanly: {err}");
181
+
}
182
+
183
+
if let Err(err) = browser.close().await {
184
+
warn!("failed to close browser cleanly: {err}");
185
+
}
186
+
if let Err(err) = browser.wait().await {
187
+
warn!("failed to wait for browser process: {err}");
188
+
}
189
+
190
+
handler_task.abort();
191
+
192
+
stream_result
193
+
}
194
+
195
+
fn no_sandbox_from_env() -> bool {
196
+
match std::env::var("BROWSER_STREAM_NO_SANDBOX") {
197
+
Ok(value) => parse_truthy(&value),
198
+
Err(_) => false,
199
+
}
200
+
}
201
+
202
+
fn parse_truthy(value: &str) -> bool {
203
+
matches!(
204
+
value.trim().to_ascii_lowercase().as_str(),
205
+
"1" | "true" | "yes"
206
+
)
207
+
}
208
+
209
+
pub fn chromium_executable_name() -> &'static str {
210
+
if cfg!(target_os = "windows") {
211
+
"headless_shell.exe"
212
+
} else {
213
+
"headless_shell"
214
+
}
215
+
}
216
+
217
+
pub fn default_chromium_sidecar_path(exe_dir: &Path) -> PathBuf {
218
+
exe_dir
219
+
.join("..")
220
+
.join("sidecar")
221
+
.join("chromium")
222
+
.join(chromium_executable_name())
223
+
}
224
+
225
+
#[derive(Debug, Copy, Clone)]
226
+
enum ControlCommand {
227
+
Refresh,
228
+
Help,
229
+
}
230
+
231
+
fn parse_control_command(input: &str) -> Option<ControlCommand> {
232
+
match input.trim().to_ascii_lowercase().as_str() {
233
+
"r" | "refresh" => Some(ControlCommand::Refresh),
234
+
"h" | "help" => Some(ControlCommand::Help),
235
+
_ => None,
236
+
}
237
+
}
238
+
239
+
fn spawn_control_listener() -> mpsc::UnboundedReceiver<ControlCommand> {
240
+
let (tx, rx) = mpsc::unbounded_channel();
241
+
242
+
tokio::spawn(async move {
243
+
let mut lines = BufReader::new(tokio::io::stdin()).lines();
244
+
while let Ok(Some(line)) = lines.next_line().await {
245
+
if let Some(command) = parse_control_command(&line) {
246
+
if tx.send(command).is_err() {
247
+
break;
248
+
}
249
+
}
250
+
}
251
+
});
252
+
253
+
rx
254
+
}
255
+
256
+
#[cfg(test)]
257
+
mod tests {
258
+
use super::{ControlCommand, parse_control_command, parse_truthy};
259
+
260
+
#[test]
261
+
fn parses_refresh_shortcut() {
262
+
assert!(matches!(
263
+
parse_control_command("r"),
264
+
Some(ControlCommand::Refresh)
265
+
));
266
+
}
267
+
268
+
#[test]
269
+
fn parses_refresh_word() {
270
+
assert!(matches!(
271
+
parse_control_command(" refresh "),
272
+
Some(ControlCommand::Refresh)
273
+
));
274
+
}
275
+
276
+
#[test]
277
+
fn ignores_unknown_commands() {
278
+
assert!(parse_control_command("noop").is_none());
279
+
}
280
+
281
+
#[test]
282
+
fn truthy_parser() {
283
+
assert!(parse_truthy("true"));
284
+
assert!(parse_truthy("1"));
285
+
assert!(parse_truthy("YES"));
286
+
assert!(!parse_truthy("0"));
287
+
assert!(!parse_truthy("false"));
288
+
}
289
+
}
+144
src/cli.rs
+144
src/cli.rs
···
1
+
use std::path::PathBuf;
2
+
3
+
use clap::Parser;
4
+
use url::Url;
5
+
6
+
use crate::error::ConfigError;
7
+
8
+
#[derive(Debug, Parser, Clone)]
9
+
#[command(
10
+
name = "browser-stream",
11
+
version,
12
+
about = "Stream a browser page to RTMP"
13
+
)]
14
+
pub struct CliArgs {
15
+
#[arg(long)]
16
+
pub url: String,
17
+
18
+
#[arg(long, default_value_t = 1920)]
19
+
pub width: u32,
20
+
21
+
#[arg(long, default_value_t = 1080)]
22
+
pub height: u32,
23
+
24
+
#[arg(long, default_value_t = 30)]
25
+
pub fps: u32,
26
+
27
+
#[arg(long, default_value_t = 4500)]
28
+
pub bitrate_kbps: u32,
29
+
30
+
#[arg(long, default_value_t = 1)]
31
+
pub keyint_sec: u32,
32
+
33
+
#[arg(long, default_value = "bframes=0")]
34
+
pub x264_opts: String,
35
+
36
+
#[arg(long)]
37
+
pub rtmp_url: Option<String>,
38
+
39
+
#[arg(long)]
40
+
pub stream_key: Option<String>,
41
+
42
+
#[arg(long)]
43
+
pub output: Option<String>,
44
+
45
+
#[arg(long, default_value_t = 5)]
46
+
pub retries: u32,
47
+
48
+
#[arg(long, default_value_t = 1000)]
49
+
pub retry_backoff_ms: u64,
50
+
51
+
#[arg(long, default_value_t = 2000)]
52
+
pub startup_delay_ms: u64,
53
+
54
+
#[arg(long, default_value_t = 30000)]
55
+
pub frame_timeout_ms: u64,
56
+
57
+
#[arg(long, default_value_t = false)]
58
+
pub no_audio: bool,
59
+
60
+
#[arg(long)]
61
+
pub ffmpeg_path: Option<PathBuf>,
62
+
63
+
#[arg(long)]
64
+
pub chromium_path: Option<PathBuf>,
65
+
66
+
#[arg(long, default_value_t = false)]
67
+
pub verbose: bool,
68
+
}
69
+
70
+
#[derive(Debug, Clone)]
71
+
pub struct AppConfig {
72
+
pub website_url: Url,
73
+
pub width: u32,
74
+
pub height: u32,
75
+
pub fps: u32,
76
+
pub bitrate_kbps: u32,
77
+
pub keyint_sec: u32,
78
+
pub x264_opts: String,
79
+
pub output: String,
80
+
pub retries: u32,
81
+
pub retry_backoff_ms: u64,
82
+
pub startup_delay_ms: u64,
83
+
pub frame_timeout_ms: u64,
84
+
pub no_audio: bool,
85
+
pub ffmpeg_path: Option<PathBuf>,
86
+
pub chromium_path: Option<PathBuf>,
87
+
pub verbose: bool,
88
+
}
89
+
90
+
impl CliArgs {
91
+
pub fn into_config(self) -> Result<AppConfig, ConfigError> {
92
+
validate_range("width", self.width as u64, 16, u32::MAX as u64)?;
93
+
validate_range("height", self.height as u64, 16, u32::MAX as u64)?;
94
+
validate_range("fps", self.fps as u64, 1, 120)?;
95
+
validate_range(
96
+
"bitrate-kbps",
97
+
self.bitrate_kbps as u64,
98
+
100,
99
+
u32::MAX as u64,
100
+
)?;
101
+
validate_range("keyint-sec", self.keyint_sec as u64, 1, 60)?;
102
+
validate_range("frame-timeout-ms", self.frame_timeout_ms, 1000, u64::MAX)?;
103
+
104
+
let website_url =
105
+
Url::parse(&self.url).map_err(|_| ConfigError::InvalidWebsiteUrl(self.url.clone()))?;
106
+
match website_url.scheme() {
107
+
"http" | "https" => {}
108
+
other => return Err(ConfigError::UnsupportedWebsiteScheme(other.to_string())),
109
+
}
110
+
111
+
let output = crate::rtmp::build_output(self.output, self.rtmp_url, self.stream_key)?;
112
+
113
+
Ok(AppConfig {
114
+
website_url,
115
+
width: self.width,
116
+
height: self.height,
117
+
fps: self.fps,
118
+
bitrate_kbps: self.bitrate_kbps,
119
+
keyint_sec: self.keyint_sec,
120
+
x264_opts: self.x264_opts,
121
+
output,
122
+
retries: self.retries,
123
+
retry_backoff_ms: self.retry_backoff_ms,
124
+
startup_delay_ms: self.startup_delay_ms,
125
+
frame_timeout_ms: self.frame_timeout_ms,
126
+
no_audio: self.no_audio,
127
+
ffmpeg_path: self.ffmpeg_path,
128
+
chromium_path: self.chromium_path,
129
+
verbose: self.verbose,
130
+
})
131
+
}
132
+
}
133
+
134
+
fn validate_range(field: &'static str, actual: u64, min: u64, max: u64) -> Result<(), ConfigError> {
135
+
if actual < min || actual > max {
136
+
return Err(ConfigError::OutOfRange {
137
+
field,
138
+
min,
139
+
max,
140
+
actual,
141
+
});
142
+
}
143
+
Ok(())
144
+
}
+217
src/encoder.rs
+217
src/encoder.rs
···
1
+
use std::path::{Path, PathBuf};
2
+
use std::process::ExitStatus;
3
+
4
+
use anyhow::{Context, Result, bail};
5
+
use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader};
6
+
use tokio::process::{Child, ChildStdin, Command};
7
+
use tokio::task::JoinHandle;
8
+
use tracing::{debug, info, warn};
9
+
10
+
use crate::frame::RgbFrame;
11
+
12
+
#[derive(Debug, Clone)]
13
+
pub struct EncoderSettings {
14
+
pub width: u32,
15
+
pub height: u32,
16
+
pub fps: u32,
17
+
pub bitrate_kbps: u32,
18
+
pub keyint_sec: u32,
19
+
pub x264_opts: String,
20
+
pub output: String,
21
+
pub include_silent_audio: bool,
22
+
pub ffmpeg_path: PathBuf,
23
+
}
24
+
25
+
pub fn build_ffmpeg_args(settings: &EncoderSettings) -> Vec<String> {
26
+
build_ffmpeg_args_with_loglevel(settings, "warning")
27
+
}
28
+
29
+
pub fn build_ffmpeg_args_with_loglevel(settings: &EncoderSettings, loglevel: &str) -> Vec<String> {
30
+
let keyint = settings.fps.saturating_mul(settings.keyint_sec).max(1);
31
+
let bufsize = settings.bitrate_kbps.saturating_mul(2);
32
+
33
+
let mut args = vec![
34
+
"-hide_banner".to_string(),
35
+
"-loglevel".to_string(),
36
+
loglevel.to_string(),
37
+
"-stats_period".to_string(),
38
+
"5".to_string(),
39
+
"-stats".to_string(),
40
+
"-f".to_string(),
41
+
"rawvideo".to_string(),
42
+
"-pix_fmt".to_string(),
43
+
"rgb24".to_string(),
44
+
"-s".to_string(),
45
+
format!("{}x{}", settings.width, settings.height),
46
+
"-r".to_string(),
47
+
settings.fps.to_string(),
48
+
"-i".to_string(),
49
+
"-".to_string(),
50
+
];
51
+
52
+
if settings.include_silent_audio {
53
+
args.extend([
54
+
"-f".to_string(),
55
+
"lavfi".to_string(),
56
+
"-i".to_string(),
57
+
"anullsrc=r=48000:cl=stereo".to_string(),
58
+
]);
59
+
}
60
+
61
+
args.extend([
62
+
"-c:v".to_string(),
63
+
"libx264".to_string(),
64
+
"-preset".to_string(),
65
+
"veryfast".to_string(),
66
+
"-pix_fmt".to_string(),
67
+
"yuv420p".to_string(),
68
+
"-b:v".to_string(),
69
+
format!("{}k", settings.bitrate_kbps),
70
+
"-maxrate".to_string(),
71
+
format!("{}k", settings.bitrate_kbps),
72
+
"-bufsize".to_string(),
73
+
format!("{}k", bufsize),
74
+
"-g".to_string(),
75
+
keyint.to_string(),
76
+
"-keyint_min".to_string(),
77
+
keyint.to_string(),
78
+
"-x264-params".to_string(),
79
+
settings.x264_opts.clone(),
80
+
]);
81
+
82
+
if settings.include_silent_audio {
83
+
args.extend([
84
+
"-c:a".to_string(),
85
+
"aac".to_string(),
86
+
"-b:a".to_string(),
87
+
"128k".to_string(),
88
+
"-ar".to_string(),
89
+
"48000".to_string(),
90
+
"-ac".to_string(),
91
+
"2".to_string(),
92
+
]);
93
+
} else {
94
+
args.push("-an".to_string());
95
+
}
96
+
97
+
args.extend(["-f".to_string(), "flv".to_string(), settings.output.clone()]);
98
+
99
+
args
100
+
}
101
+
102
+
#[derive(Debug)]
103
+
pub struct FfmpegEncoder {
104
+
child: Child,
105
+
stdin: ChildStdin,
106
+
stderr_task: JoinHandle<()>,
107
+
}
108
+
109
+
impl FfmpegEncoder {
110
+
pub async fn spawn(settings: &EncoderSettings, verbose: bool) -> Result<Self> {
111
+
let args =
112
+
build_ffmpeg_args_with_loglevel(settings, if verbose { "info" } else { "warning" });
113
+
114
+
info!(
115
+
ffmpeg = %settings.ffmpeg_path.display(),
116
+
output = %settings.output,
117
+
"starting ffmpeg"
118
+
);
119
+
120
+
let mut cmd = Command::new(&settings.ffmpeg_path);
121
+
cmd.args(&args)
122
+
.stdin(std::process::Stdio::piped())
123
+
.stderr(std::process::Stdio::piped())
124
+
.stdout(std::process::Stdio::null());
125
+
126
+
let mut child = cmd.spawn().with_context(|| {
127
+
format!(
128
+
"failed to spawn ffmpeg from {}",
129
+
settings.ffmpeg_path.display()
130
+
)
131
+
})?;
132
+
133
+
let stdin = child.stdin.take().context("ffmpeg stdin unavailable")?;
134
+
135
+
let stderr = child.stderr.take().context("ffmpeg stderr unavailable")?;
136
+
137
+
let stderr_task = tokio::spawn(async move {
138
+
let mut lines = BufReader::new(stderr).lines();
139
+
while let Ok(Some(line)) = lines.next_line().await {
140
+
if verbose {
141
+
info!(target: "ffmpeg", "{line}");
142
+
} else {
143
+
debug!(target: "ffmpeg", "{line}");
144
+
}
145
+
}
146
+
});
147
+
148
+
Ok(Self {
149
+
child,
150
+
stdin,
151
+
stderr_task,
152
+
})
153
+
}
154
+
155
+
pub fn try_wait(&mut self) -> Result<Option<ExitStatus>> {
156
+
self.child
157
+
.try_wait()
158
+
.context("failed to poll ffmpeg process")
159
+
}
160
+
161
+
pub async fn write_frame(&mut self, frame: &RgbFrame) -> Result<()> {
162
+
if frame.width == 0 || frame.height == 0 {
163
+
bail!("invalid frame dimensions {}x{}", frame.width, frame.height);
164
+
}
165
+
166
+
if let Some(status) = self.try_wait()? {
167
+
bail!("ffmpeg exited early with status {status}");
168
+
}
169
+
170
+
self.stdin
171
+
.write_all(&frame.data)
172
+
.await
173
+
.context("failed writing frame to ffmpeg stdin")?;
174
+
175
+
Ok(())
176
+
}
177
+
178
+
pub async fn kill_and_wait(&mut self) {
179
+
match self.child.kill().await {
180
+
Ok(()) => {}
181
+
Err(err) => warn!("failed to kill ffmpeg: {err}"),
182
+
}
183
+
184
+
match self.child.wait().await {
185
+
Ok(status) => debug!("ffmpeg exited after kill: {status}"),
186
+
Err(err) => warn!("failed waiting on ffmpeg: {err}"),
187
+
}
188
+
}
189
+
190
+
pub async fn wait_for_exit(mut self) -> Result<ExitStatus> {
191
+
drop(self.stdin);
192
+
let status = self
193
+
.child
194
+
.wait()
195
+
.await
196
+
.context("failed waiting for ffmpeg exit")?;
197
+
198
+
self.stderr_task.abort();
199
+
Ok(status)
200
+
}
201
+
}
202
+
203
+
pub fn ffmpeg_executable_name() -> &'static str {
204
+
if cfg!(target_os = "windows") {
205
+
"ffmpeg.exe"
206
+
} else {
207
+
"ffmpeg"
208
+
}
209
+
}
210
+
211
+
pub fn default_ffmpeg_sidecar_path(exe_dir: &Path) -> PathBuf {
212
+
exe_dir
213
+
.join("..")
214
+
.join("sidecar")
215
+
.join("ffmpeg")
216
+
.join(ffmpeg_executable_name())
217
+
}
+32
src/error.rs
+32
src/error.rs
···
1
+
use std::path::PathBuf;
2
+
3
+
use thiserror::Error;
4
+
5
+
#[derive(Debug, Error)]
6
+
pub enum ConfigError {
7
+
#[error("website URL must use http or https, got `{0}`")]
8
+
UnsupportedWebsiteScheme(String),
9
+
#[error("invalid website URL `{0}`")]
10
+
InvalidWebsiteUrl(String),
11
+
#[error("`{field}` out of range: got {actual}, expected {min}..={max}")]
12
+
OutOfRange {
13
+
field: &'static str,
14
+
min: u64,
15
+
max: u64,
16
+
actual: u64,
17
+
},
18
+
#[error(transparent)]
19
+
Rtmp(#[from] crate::rtmp::RtmpError),
20
+
}
21
+
22
+
#[derive(Debug, Error)]
23
+
pub enum RuntimeError {
24
+
#[error("shutdown requested")]
25
+
ShutdownRequested,
26
+
#[error("timed out waiting for screencast frames")]
27
+
ScreencastTimeout,
28
+
#[error(
29
+
"missing sidecar binary `{name}` at `{path}`. Provide an explicit override path or place sidecars at this location. For local development, fetch sidecars with `./scripts/fetch-sidecars.sh` (macOS/Linux) or `./scripts/fetch-sidecars.ps1` (Windows). Supported packaged targets: macOS arm64, Linux x86_64, Windows x86_64"
30
+
)]
31
+
MissingSidecar { name: &'static str, path: PathBuf },
32
+
}
+37
src/frame.rs
+37
src/frame.rs
···
1
+
use anyhow::{Context, Result};
2
+
use base64::Engine;
3
+
4
+
#[derive(Debug, Clone)]
5
+
pub struct RgbFrame {
6
+
pub width: u32,
7
+
pub height: u32,
8
+
pub data: Vec<u8>,
9
+
}
10
+
11
+
pub fn decode_screencast_frame(
12
+
encoded_data: &str,
13
+
target_width: u32,
14
+
target_height: u32,
15
+
) -> Result<RgbFrame> {
16
+
let bytes = base64::engine::general_purpose::STANDARD
17
+
.decode(encoded_data)
18
+
.context("failed to decode CDP frame payload")?;
19
+
20
+
let img = image::load_from_memory(&bytes).context("failed to decode image bytes")?;
21
+
let normalized = if img.width() == target_width && img.height() == target_height {
22
+
img
23
+
} else {
24
+
img.resize_exact(
25
+
target_width,
26
+
target_height,
27
+
image::imageops::FilterType::Triangle,
28
+
)
29
+
};
30
+
31
+
let rgb = normalized.to_rgb8();
32
+
Ok(RgbFrame {
33
+
width: target_width,
34
+
height: target_height,
35
+
data: rgb.into_raw(),
36
+
})
37
+
}
+7
src/lib.rs
+7
src/lib.rs
+235
src/main.rs
+235
src/main.rs
···
1
+
use std::path::PathBuf;
2
+
use std::time::Duration;
3
+
4
+
use anyhow::{Context, Result, bail};
5
+
use clap::Parser;
6
+
use tracing::{info, warn};
7
+
8
+
use browser_stream::chromium;
9
+
use browser_stream::cli::{AppConfig, CliArgs};
10
+
use browser_stream::encoder::{self, EncoderSettings, FfmpegEncoder};
11
+
use browser_stream::error::RuntimeError;
12
+
use browser_stream::retry::RetryPolicy;
13
+
14
+
#[derive(Debug, Clone)]
15
+
struct RuntimePaths {
16
+
ffmpeg: PathBuf,
17
+
chromium: PathBuf,
18
+
}
19
+
20
+
#[tokio::main]
21
+
async fn main() -> Result<()> {
22
+
let args = CliArgs::parse();
23
+
init_tracing(args.verbose);
24
+
25
+
let config = args.into_config()?;
26
+
let runtime_paths = resolve_runtime_paths(&config)?;
27
+
let retry_policy = RetryPolicy::new(
28
+
config.retries,
29
+
Duration::from_millis(config.retry_backoff_ms),
30
+
);
31
+
32
+
run_with_retry(&config, &runtime_paths, &retry_policy).await
33
+
}
34
+
35
+
async fn run_with_retry(
36
+
config: &AppConfig,
37
+
runtime_paths: &RuntimePaths,
38
+
retry_policy: &RetryPolicy,
39
+
) -> Result<()> {
40
+
let mut failures = 0_u32;
41
+
42
+
loop {
43
+
let attempt = failures + 1;
44
+
info!(attempt, "starting stream attempt");
45
+
46
+
let result = run_once(config, runtime_paths).await;
47
+
48
+
match result {
49
+
Ok(()) => return Ok(()),
50
+
Err(err) => {
51
+
if is_shutdown_error(&err) {
52
+
info!("shutdown requested, exiting");
53
+
// Force process termination in case any background runtime task/thread
54
+
// holds the process open after graceful shutdown.
55
+
std::process::exit(0);
56
+
}
57
+
58
+
failures = failures.saturating_add(1);
59
+
if !retry_policy.should_retry(failures) {
60
+
return Err(err.context(format!(
61
+
"stream failed after {attempt} attempt(s) with {failures} failure(s)"
62
+
)));
63
+
}
64
+
65
+
warn!(
66
+
attempt,
67
+
failures,
68
+
backoff_ms = retry_policy.backoff.as_millis(),
69
+
error = %err,
70
+
"stream attempt failed; retrying"
71
+
);
72
+
73
+
tokio::select! {
74
+
_ = tokio::time::sleep(retry_policy.backoff) => {}
75
+
_ = tokio::signal::ctrl_c() => {
76
+
info!("shutdown requested during retry backoff, exiting");
77
+
return Ok(());
78
+
}
79
+
}
80
+
}
81
+
}
82
+
}
83
+
}
84
+
85
+
async fn run_once(config: &AppConfig, runtime_paths: &RuntimePaths) -> Result<()> {
86
+
let settings = EncoderSettings {
87
+
width: config.width,
88
+
height: config.height,
89
+
fps: config.fps,
90
+
bitrate_kbps: config.bitrate_kbps,
91
+
keyint_sec: config.keyint_sec,
92
+
x264_opts: config.x264_opts.clone(),
93
+
output: config.output.clone(),
94
+
include_silent_audio: !config.no_audio,
95
+
ffmpeg_path: runtime_paths.ffmpeg.clone(),
96
+
};
97
+
98
+
let mut encoder = FfmpegEncoder::spawn(&settings, config.verbose).await?;
99
+
100
+
let stream_result =
101
+
chromium::stream_browser_to_encoder(config, &runtime_paths.chromium, &mut encoder).await;
102
+
103
+
match stream_result {
104
+
Ok(()) => {
105
+
let status = encoder.wait_for_exit().await?;
106
+
if !status.success() {
107
+
bail!("ffmpeg exited with status {status}");
108
+
}
109
+
Ok(())
110
+
}
111
+
Err(err) => {
112
+
encoder.kill_and_wait().await;
113
+
Err(err)
114
+
}
115
+
}
116
+
}
117
+
118
+
fn resolve_runtime_paths(config: &AppConfig) -> Result<RuntimePaths> {
119
+
let current_exe =
120
+
std::env::current_exe().context("failed to determine current executable path")?;
121
+
let exe_dir = current_exe
122
+
.parent()
123
+
.context("failed to determine current executable directory")?;
124
+
125
+
let ffmpeg_path = resolve_ffmpeg_path(config.ffmpeg_path.clone(), exe_dir)?;
126
+
127
+
let chromium_path = resolve_binary_path(
128
+
config.chromium_path.clone(),
129
+
chromium::default_chromium_sidecar_path(exe_dir),
130
+
"headless_shell",
131
+
)?;
132
+
133
+
Ok(RuntimePaths {
134
+
ffmpeg: ffmpeg_path,
135
+
chromium: chromium_path,
136
+
})
137
+
}
138
+
139
+
fn resolve_binary_path(
140
+
override_path: Option<PathBuf>,
141
+
default_path: PathBuf,
142
+
name: &'static str,
143
+
) -> Result<PathBuf> {
144
+
let candidate = override_path.unwrap_or(default_path);
145
+
146
+
if candidate.is_file() {
147
+
return Ok(candidate);
148
+
}
149
+
150
+
Err(RuntimeError::MissingSidecar {
151
+
name,
152
+
path: candidate,
153
+
}
154
+
.into())
155
+
}
156
+
157
+
fn resolve_ffmpeg_path(
158
+
override_path: Option<PathBuf>,
159
+
exe_dir: &std::path::Path,
160
+
) -> Result<PathBuf> {
161
+
if let Some(path) = override_path {
162
+
return resolve_binary_path(Some(path), PathBuf::new(), "ffmpeg");
163
+
}
164
+
165
+
let sidecar = encoder::default_ffmpeg_sidecar_path(exe_dir);
166
+
let system = find_in_path(encoder::ffmpeg_executable_name());
167
+
168
+
if cfg!(target_os = "macos") {
169
+
if let Some(system_path) = system {
170
+
info!(
171
+
ffmpeg = %system_path.display(),
172
+
"using system ffmpeg on macOS (preferred over sidecar)"
173
+
);
174
+
return Ok(system_path);
175
+
}
176
+
}
177
+
178
+
if sidecar.is_file() {
179
+
return Ok(sidecar);
180
+
}
181
+
182
+
if let Some(system_path) = find_in_path(encoder::ffmpeg_executable_name()) {
183
+
info!(
184
+
ffmpeg = %system_path.display(),
185
+
"using system ffmpeg from PATH"
186
+
);
187
+
return Ok(system_path);
188
+
}
189
+
190
+
Err(RuntimeError::MissingSidecar {
191
+
name: "ffmpeg",
192
+
path: sidecar,
193
+
}
194
+
.into())
195
+
}
196
+
197
+
fn find_in_path(executable_name: &str) -> Option<PathBuf> {
198
+
let path_var = std::env::var_os("PATH")?;
199
+
let candidates = std::env::split_paths(&path_var);
200
+
201
+
for dir in candidates {
202
+
let direct = dir.join(executable_name);
203
+
if direct.is_file() {
204
+
return Some(direct);
205
+
}
206
+
207
+
if cfg!(target_os = "windows") {
208
+
let exe = dir.join(format!("{executable_name}.exe"));
209
+
if exe.is_file() {
210
+
return Some(exe);
211
+
}
212
+
}
213
+
}
214
+
215
+
None
216
+
}
217
+
218
+
fn is_shutdown_error(err: &anyhow::Error) -> bool {
219
+
err.downcast_ref::<RuntimeError>()
220
+
.is_some_and(|runtime| matches!(runtime, RuntimeError::ShutdownRequested))
221
+
}
222
+
223
+
fn init_tracing(verbose: bool) {
224
+
let filter = if verbose {
225
+
tracing_subscriber::EnvFilter::new("info,browser_stream=debug,ffmpeg=info")
226
+
} else {
227
+
tracing_subscriber::EnvFilter::try_from_default_env()
228
+
.unwrap_or_else(|_| tracing_subscriber::EnvFilter::new("info"))
229
+
};
230
+
231
+
let _ = tracing_subscriber::fmt()
232
+
.with_env_filter(filter)
233
+
.with_target(true)
234
+
.try_init();
235
+
}
+20
src/retry.rs
+20
src/retry.rs
···
1
+
use std::time::Duration;
2
+
3
+
#[derive(Debug, Clone)]
4
+
pub struct RetryPolicy {
5
+
pub max_retries: u32,
6
+
pub backoff: Duration,
7
+
}
8
+
9
+
impl RetryPolicy {
10
+
pub fn new(max_retries: u32, backoff: Duration) -> Self {
11
+
Self {
12
+
max_retries,
13
+
backoff,
14
+
}
15
+
}
16
+
17
+
pub fn should_retry(&self, failures_so_far: u32) -> bool {
18
+
failures_so_far <= self.max_retries
19
+
}
20
+
}
+54
src/rtmp.rs
+54
src/rtmp.rs
···
1
+
use thiserror::Error;
2
+
use url::Url;
3
+
4
+
#[derive(Debug, Error, PartialEq)]
5
+
pub enum RtmpError {
6
+
#[error("provide either `--output` or both `--rtmp-url` and `--stream-key`")]
7
+
MissingDestination,
8
+
#[error("stream key cannot be empty")]
9
+
EmptyStreamKey,
10
+
#[error("invalid RTMP output URL `{0}`")]
11
+
InvalidOutputUrl(String),
12
+
#[error("RTMP URL scheme must be `rtmp` or `rtmps`, got `{0}`")]
13
+
InvalidScheme(String),
14
+
}
15
+
16
+
pub fn build_output(
17
+
output: Option<String>,
18
+
rtmp_url: Option<String>,
19
+
stream_key: Option<String>,
20
+
) -> Result<String, RtmpError> {
21
+
if let Some(full_output) = output {
22
+
let trimmed = full_output.trim();
23
+
validate_output_url(trimmed)?;
24
+
return Ok(trimmed.to_string());
25
+
}
26
+
27
+
match (rtmp_url, stream_key) {
28
+
(Some(base), Some(key)) => {
29
+
let normalized_key = normalize_stream_key(&key)?;
30
+
let merged = format!("{}/{}", base.trim_end_matches('/'), normalized_key);
31
+
validate_output_url(&merged)?;
32
+
Ok(merged)
33
+
}
34
+
_ => Err(RtmpError::MissingDestination),
35
+
}
36
+
}
37
+
38
+
fn normalize_stream_key(raw: &str) -> Result<String, RtmpError> {
39
+
let key = raw.trim().trim_start_matches('/').trim();
40
+
if key.is_empty() {
41
+
return Err(RtmpError::EmptyStreamKey);
42
+
}
43
+
44
+
Ok(key.to_string())
45
+
}
46
+
47
+
fn validate_output_url(candidate: &str) -> Result<(), RtmpError> {
48
+
let parsed =
49
+
Url::parse(candidate).map_err(|_| RtmpError::InvalidOutputUrl(candidate.to_string()))?;
50
+
match parsed.scheme() {
51
+
"rtmp" | "rtmps" => Ok(()),
52
+
other => Err(RtmpError::InvalidScheme(other.to_string())),
53
+
}
54
+
}
+120
tests/cli.rs
+120
tests/cli.rs
···
1
+
use assert_matches::assert_matches;
2
+
use clap::Parser;
3
+
4
+
use browser_stream::cli::CliArgs;
5
+
use browser_stream::error::ConfigError;
6
+
use browser_stream::rtmp::RtmpError;
7
+
8
+
#[test]
9
+
fn parses_defaults_and_required_fields() {
10
+
let args = CliArgs::try_parse_from([
11
+
"browser-stream",
12
+
"--url",
13
+
"https://example.com",
14
+
"--output",
15
+
"rtmp://live.example.com/app/stream",
16
+
])
17
+
.expect("cli parse should succeed");
18
+
19
+
let config = args.into_config().expect("config should validate");
20
+
21
+
assert_eq!(config.width, 1920);
22
+
assert_eq!(config.height, 1080);
23
+
assert_eq!(config.fps, 30);
24
+
assert_eq!(config.bitrate_kbps, 4500);
25
+
assert_eq!(config.keyint_sec, 1);
26
+
assert_eq!(config.x264_opts, "bframes=0");
27
+
assert_eq!(config.retries, 5);
28
+
assert_eq!(config.retry_backoff_ms, 1000);
29
+
assert_eq!(config.startup_delay_ms, 2000);
30
+
assert_eq!(config.frame_timeout_ms, 30000);
31
+
assert!(!config.no_audio);
32
+
}
33
+
34
+
#[test]
35
+
fn requires_destination_settings() {
36
+
let args = CliArgs::try_parse_from(["browser-stream", "--url", "https://example.com"])
37
+
.expect("cli parse should succeed");
38
+
39
+
let err = args.into_config().expect_err("validation should fail");
40
+
assert_matches!(err, ConfigError::Rtmp(RtmpError::MissingDestination));
41
+
}
42
+
43
+
#[test]
44
+
fn output_precedence_wins_over_split_fields() {
45
+
let args = CliArgs::try_parse_from([
46
+
"browser-stream",
47
+
"--url",
48
+
"https://example.com",
49
+
"--output",
50
+
"rtmps://primary.example.com/app/final",
51
+
"--rtmp-url",
52
+
"rtmp://secondary.example.com/app",
53
+
"--stream-key",
54
+
"secondary",
55
+
])
56
+
.expect("cli parse should succeed");
57
+
58
+
let config = args.into_config().expect("config should validate");
59
+
assert_eq!(config.output, "rtmps://primary.example.com/app/final");
60
+
}
61
+
62
+
#[test]
63
+
fn rejects_non_http_website_scheme() {
64
+
let args = CliArgs::try_parse_from([
65
+
"browser-stream",
66
+
"--url",
67
+
"file:///tmp/index.html",
68
+
"--output",
69
+
"rtmp://live.example.com/app/key",
70
+
])
71
+
.expect("cli parse should succeed");
72
+
73
+
let err = args.into_config().expect_err("validation should fail");
74
+
assert_matches!(err, ConfigError::UnsupportedWebsiteScheme(s) if s == "file");
75
+
}
76
+
77
+
#[test]
78
+
fn rejects_out_of_range_fps() {
79
+
let args = CliArgs::try_parse_from([
80
+
"browser-stream",
81
+
"--url",
82
+
"https://example.com",
83
+
"--output",
84
+
"rtmp://live.example.com/app/key",
85
+
"--fps",
86
+
"121",
87
+
])
88
+
.expect("cli parse should succeed");
89
+
90
+
let err = args.into_config().expect_err("validation should fail");
91
+
assert_matches!(
92
+
err,
93
+
ConfigError::OutOfRange { field, min: 1, max: 120, actual: 121 } if field == "fps"
94
+
);
95
+
}
96
+
97
+
#[test]
98
+
fn rejects_out_of_range_frame_timeout() {
99
+
let args = CliArgs::try_parse_from([
100
+
"browser-stream",
101
+
"--url",
102
+
"https://example.com",
103
+
"--output",
104
+
"rtmp://live.example.com/app/key",
105
+
"--frame-timeout-ms",
106
+
"500",
107
+
])
108
+
.expect("cli parse should succeed");
109
+
110
+
let err = args.into_config().expect_err("validation should fail");
111
+
assert_matches!(
112
+
err,
113
+
ConfigError::OutOfRange {
114
+
field,
115
+
min: 1000,
116
+
max,
117
+
actual: 500
118
+
} if field == "frame-timeout-ms" && max == u64::MAX
119
+
);
120
+
}
+80
tests/ffmpeg_cmd.rs
+80
tests/ffmpeg_cmd.rs
···
1
+
use std::path::PathBuf;
2
+
3
+
use browser_stream::encoder::{EncoderSettings, build_ffmpeg_args};
4
+
5
+
#[test]
6
+
fn derives_keyint_from_fps_and_seconds() {
7
+
let settings = EncoderSettings {
8
+
width: 1280,
9
+
height: 720,
10
+
fps: 30,
11
+
bitrate_kbps: 2500,
12
+
keyint_sec: 2,
13
+
x264_opts: "bframes=0".to_string(),
14
+
output: "rtmp://live.example.com/app/key".to_string(),
15
+
include_silent_audio: true,
16
+
ffmpeg_path: PathBuf::from("/tmp/ffmpeg"),
17
+
};
18
+
19
+
let args = build_ffmpeg_args(&settings);
20
+
21
+
assert_pair(&args, "-g", "60");
22
+
assert_pair(&args, "-keyint_min", "60");
23
+
}
24
+
25
+
#[test]
26
+
fn includes_cbr_like_flags() {
27
+
let settings = EncoderSettings {
28
+
width: 1920,
29
+
height: 1080,
30
+
fps: 60,
31
+
bitrate_kbps: 4500,
32
+
keyint_sec: 1,
33
+
x264_opts: "bframes=0".to_string(),
34
+
output: "rtmps://live.example.com/app/key".to_string(),
35
+
include_silent_audio: true,
36
+
ffmpeg_path: PathBuf::from("/tmp/ffmpeg"),
37
+
};
38
+
39
+
let args = build_ffmpeg_args(&settings);
40
+
41
+
assert_pair(&args, "-b:v", "4500k");
42
+
assert_pair(&args, "-maxrate", "4500k");
43
+
assert_pair(&args, "-bufsize", "9000k");
44
+
}
45
+
46
+
#[test]
47
+
fn passes_x264_opts_and_output() {
48
+
let settings = EncoderSettings {
49
+
width: 1920,
50
+
height: 1080,
51
+
fps: 30,
52
+
bitrate_kbps: 3000,
53
+
keyint_sec: 1,
54
+
x264_opts: "bframes=0:scenecut=0".to_string(),
55
+
output: "rtmp://live.example.com/app/key".to_string(),
56
+
include_silent_audio: true,
57
+
ffmpeg_path: PathBuf::from("/tmp/ffmpeg"),
58
+
};
59
+
60
+
let args = build_ffmpeg_args(&settings);
61
+
62
+
assert_pair(&args, "-x264-params", "bframes=0:scenecut=0");
63
+
assert_eq!(
64
+
args.last().expect("args should not be empty"),
65
+
"rtmp://live.example.com/app/key"
66
+
);
67
+
}
68
+
69
+
fn assert_pair(args: &[String], flag: &str, value: &str) {
70
+
let index = args
71
+
.iter()
72
+
.position(|item| item == flag)
73
+
.expect("flag should exist in arg list");
74
+
75
+
let next = args
76
+
.get(index + 1)
77
+
.expect("flag should have a following value");
78
+
79
+
assert_eq!(next, value);
80
+
}
+13
tests/frame.rs
+13
tests/frame.rs
···
1
+
use browser_stream::frame::decode_screencast_frame;
2
+
3
+
#[test]
4
+
fn decodes_and_resizes_frame() {
5
+
// 1x1 red PNG
6
+
let png_base64 = "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAAAAAA6fptVAAAACklEQVR4nGNgAAAAAgABSK+kcQAAAABJRU5ErkJggg==";
7
+
8
+
let frame = decode_screencast_frame(png_base64, 2, 2).expect("decode should work");
9
+
10
+
assert_eq!(frame.width, 2);
11
+
assert_eq!(frame.height, 2);
12
+
assert_eq!(frame.data.len(), 2 * 2 * 3);
13
+
}
+12
tests/retry.rs
+12
tests/retry.rs
···
1
+
use std::time::Duration;
2
+
3
+
use browser_stream::retry::RetryPolicy;
4
+
5
+
#[test]
6
+
fn retries_up_to_configured_limit() {
7
+
let policy = RetryPolicy::new(5, Duration::from_millis(100));
8
+
9
+
assert!(policy.should_retry(1));
10
+
assert!(policy.should_retry(5));
11
+
assert!(!policy.should_retry(6));
12
+
}
+59
tests/rtmp.rs
+59
tests/rtmp.rs
···
1
+
use assert_matches::assert_matches;
2
+
3
+
use browser_stream::rtmp::{RtmpError, build_output};
4
+
5
+
#[test]
6
+
fn builds_output_from_split_fields() {
7
+
let output = build_output(
8
+
None,
9
+
Some("rtmp://live.example.com/app".to_string()),
10
+
Some("streamkey123".to_string()),
11
+
)
12
+
.expect("build should succeed");
13
+
14
+
assert_eq!(output, "rtmp://live.example.com/app/streamkey123");
15
+
}
16
+
17
+
#[test]
18
+
fn trims_slashes_and_spaces_in_stream_key() {
19
+
let output = build_output(
20
+
None,
21
+
Some("rtmp://live.example.com/app/".to_string()),
22
+
Some(" /abc123 ".to_string()),
23
+
)
24
+
.expect("build should succeed");
25
+
26
+
assert_eq!(output, "rtmp://live.example.com/app/abc123");
27
+
}
28
+
29
+
#[test]
30
+
fn output_flag_takes_precedence() {
31
+
let output = build_output(
32
+
Some("rtmps://primary.example.com/live/final".to_string()),
33
+
Some("rtmp://secondary.example.com/app".to_string()),
34
+
Some("secondary".to_string()),
35
+
)
36
+
.expect("build should succeed");
37
+
38
+
assert_eq!(output, "rtmps://primary.example.com/live/final");
39
+
}
40
+
41
+
#[test]
42
+
fn rejects_invalid_scheme() {
43
+
let err = build_output(Some("https://example.com/not-rtmp".to_string()), None, None)
44
+
.expect_err("should fail");
45
+
46
+
assert_matches!(err, RtmpError::InvalidScheme(s) if s == "https");
47
+
}
48
+
49
+
#[test]
50
+
fn rejects_empty_key() {
51
+
let err = build_output(
52
+
None,
53
+
Some("rtmp://live.example.com/app".to_string()),
54
+
Some(" / ".to_string()),
55
+
)
56
+
.expect_err("should fail");
57
+
58
+
assert_matches!(err, RtmpError::EmptyStreamKey);
59
+
}