mirror of
https://github.com/GuillemCastro/spotify-dl.git
synced 2024-11-25 03:20:27 +01:00
MP3 Support (#14)
This commit is contained in:
Guillem Castro
GitHub
parent
61d6268524
commit
9be6396112
13 changed files with 529 additions and 81 deletions
3
.github/workflows/build-latest.yml
vendored
3
.github/workflows/build-latest.yml
vendored
|
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@ -4,6 +4,9 @@ on:
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push:
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branches:
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- '*'
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pull_request:
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branches:
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- '*'
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env:
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CARGO_TERM_COLOR: always
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|
|
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1
.gitignore
vendored
1
.gitignore
vendored
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@ -1,6 +1,7 @@
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/target
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.vscode
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*.flac
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*.mp3
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bin
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debug/
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126
Cargo.lock
generated
126
Cargo.lock
generated
|
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@ -98,7 +98,7 @@ checksum = "c6fa2087f2753a7da8cc1c0dbfcf89579dd57458e36769de5ac750b4671737ca"
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dependencies = [
|
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"proc-macro2",
|
||||
"quote",
|
||||
"syn 2.0.63",
|
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"syn 2.0.64",
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]
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||||
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[[package]]
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||||
|
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@ -138,6 +138,15 @@ version = "1.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0c4b4d0bd25bd0b74681c0ad21497610ce1b7c91b1022cd21c80c6fbdd9476b0"
|
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|
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[[package]]
|
||||
name = "autotools"
|
||||
version = "0.2.7"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "ef941527c41b0fc0dd48511a8154cd5fc7e29200a0ff8b7203c5d777dbc795cf"
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dependencies = [
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"cc",
|
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]
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[[package]]
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name = "backtrace"
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version = "0.3.71"
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|
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@ -184,7 +193,7 @@ dependencies = [
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"regex",
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"rustc-hash",
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"shlex",
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"syn 2.0.63",
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"syn 2.0.64",
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"which",
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]
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@ -369,6 +378,25 @@ dependencies = [
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"crossbeam-utils",
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]
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[[package]]
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name = "crossbeam-deque"
|
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version = "0.8.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "613f8cc01fe9cf1a3eb3d7f488fd2fa8388403e97039e2f73692932e291a770d"
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dependencies = [
|
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"crossbeam-epoch",
|
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"crossbeam-utils",
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]
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|
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[[package]]
|
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name = "crossbeam-epoch"
|
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version = "0.9.18"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5b82ac4a3c2ca9c3460964f020e1402edd5753411d7737aa39c3714ad1b5420e"
|
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dependencies = [
|
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"crossbeam-utils",
|
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]
|
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[[package]]
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name = "crossbeam-utils"
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version = "0.8.19"
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|
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@ -446,9 +474,9 @@ dependencies = [
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|||
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[[package]]
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name = "either"
|
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version = "1.11.0"
|
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version = "1.12.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a47c1c47d2f5964e29c61246e81db715514cd532db6b5116a25ea3c03d6780a2"
|
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checksum = "3dca9240753cf90908d7e4aac30f630662b02aebaa1b58a3cadabdb23385b58b"
|
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[[package]]
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name = "encode_unicode"
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|
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@ -595,7 +623,7 @@ checksum = "87750cf4b7a4c0625b1529e4c543c2182106e4dedc60a2a6455e00d212c489ac"
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dependencies = [
|
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"proc-macro2",
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"quote",
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"syn 2.0.63",
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"syn 2.0.64",
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]
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[[package]]
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|
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@ -649,9 +677,9 @@ dependencies = [
|
|||
|
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[[package]]
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name = "getrandom"
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version = "0.2.15"
|
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version = "0.2.14"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
|
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checksum = "94b22e06ecb0110981051723910cbf0b5f5e09a2062dd7663334ee79a9d1286c"
|
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dependencies = [
|
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"cfg-if",
|
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"libc",
|
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|
|
@ -1000,9 +1028,9 @@ dependencies = [
|
|||
|
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[[package]]
|
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name = "libc"
|
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version = "0.2.154"
|
||||
version = "0.2.153"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ae743338b92ff9146ce83992f766a31066a91a8c84a45e0e9f21e7cf6de6d346"
|
||||
checksum = "9c198f91728a82281a64e1f4f9eeb25d82cb32a5de251c6bd1b5154d63a8e7bd"
|
||||
|
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[[package]]
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name = "libloading"
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|
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@ -1228,9 +1256,9 @@ dependencies = [
|
|||
|
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[[package]]
|
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name = "linux-raw-sys"
|
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version = "0.4.13"
|
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version = "0.4.14"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "01cda141df6706de531b6c46c3a33ecca755538219bd484262fa09410c13539c"
|
||||
checksum = "78b3ae25bc7c8c38cec158d1f2757ee79e9b3740fbc7ccf0e59e4b08d793fa89"
|
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|
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[[package]]
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name = "lock_api"
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|
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@ -1342,6 +1370,27 @@ dependencies = [
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"windows-sys 0.48.0",
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]
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[[package]]
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name = "mp3lame-encoder"
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version = "0.1.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "64622e64e2f9ee2a2fee97a6f53bd8b0301fa0fd15f2f4152f910091949689c7"
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dependencies = [
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"libc",
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"mp3lame-sys",
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]
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[[package]]
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name = "mp3lame-sys"
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version = "0.1.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "99896fd43ed58e957c164c5f4a1e7d8e770f358835cc6920b2eab7ab6d1a7106"
|
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dependencies = [
|
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"autotools",
|
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"cc",
|
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"libc",
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]
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[[package]]
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name = "mp4ameta"
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version = "0.11.0"
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|
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@ -1577,7 +1626,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5f12335488a2f3b0a83b14edad48dca9879ce89b2edd10e80237e4e852dd645e"
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dependencies = [
|
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"proc-macro2",
|
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"syn 2.0.63",
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"syn 2.0.64",
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]
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[[package]]
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@ -1697,6 +1746,26 @@ dependencies = [
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"rand",
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]
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[[package]]
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name = "rayon"
|
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version = "1.10.0"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "b418a60154510ca1a002a752ca9714984e21e4241e804d32555251faf8b78ffa"
|
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dependencies = [
|
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"either",
|
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"rayon-core",
|
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]
|
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|
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[[package]]
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name = "rayon-core"
|
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version = "1.12.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1465873a3dfdaa8ae7cb14b4383657caab0b3e8a0aa9ae8e04b044854c8dfce2"
|
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dependencies = [
|
||||
"crossbeam-deque",
|
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"crossbeam-utils",
|
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]
|
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|
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[[package]]
|
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name = "readme-rustdocifier"
|
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version = "0.1.1"
|
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|
|
@ -1836,9 +1905,9 @@ dependencies = [
|
|||
|
||||
[[package]]
|
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name = "rustversion"
|
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version = "1.0.16"
|
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version = "1.0.17"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "092474d1a01ea8278f69e6a358998405fae5b8b963ddaeb2b0b04a128bf1dfb0"
|
||||
checksum = "955d28af4278de8121b7ebeb796b6a45735dc01436d898801014aced2773a3d6"
|
||||
|
||||
[[package]]
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name = "ryu"
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|
|
@ -1866,22 +1935,22 @@ checksum = "a3f0bf26fd526d2a95683cd0f87bf103b8539e2ca1ef48ce002d67aad59aa0b4"
|
|||
|
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[[package]]
|
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name = "serde"
|
||||
version = "1.0.201"
|
||||
version = "1.0.202"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "780f1cebed1629e4753a1a38a3c72d30b97ec044f0aef68cb26650a3c5cf363c"
|
||||
checksum = "226b61a0d411b2ba5ff6d7f73a476ac4f8bb900373459cd00fab8512828ba395"
|
||||
dependencies = [
|
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"serde_derive",
|
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]
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|
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[[package]]
|
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name = "serde_derive"
|
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version = "1.0.201"
|
||||
version = "1.0.202"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "c5e405930b9796f1c00bee880d03fc7e0bb4b9a11afc776885ffe84320da2865"
|
||||
checksum = "6048858004bcff69094cd972ed40a32500f153bd3be9f716b2eed2e8217c4838"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
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"syn 2.0.63",
|
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"syn 2.0.64",
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]
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[[package]]
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|
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@ -2002,10 +2071,13 @@ dependencies = [
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"audiotags",
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"dirs",
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"flacenc",
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"futures",
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"indicatif",
|
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"lazy_static",
|
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"librespot",
|
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"machine-uid",
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"mp3lame-encoder",
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"rayon",
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"regex",
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"rpassword 7.3.1",
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"structopt",
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|
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@ -2063,9 +2135,9 @@ dependencies = [
|
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[[package]]
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name = "syn"
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version = "2.0.63"
|
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version = "2.0.64"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "bf5be731623ca1a1fb7d8be6f261a3be6d3e2337b8a1f97be944d020c8fcb704"
|
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checksum = "7ad3dee41f36859875573074334c200d1add8e4a87bb37113ebd31d926b7b11f"
|
||||
dependencies = [
|
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"proc-macro2",
|
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"quote",
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|
|
@ -2119,7 +2191,7 @@ checksum = "e2470041c06ec3ac1ab38d0356a6119054dedaea53e12fbefc0de730a1c08524"
|
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dependencies = [
|
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"proc-macro2",
|
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"quote",
|
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"syn 2.0.63",
|
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"syn 2.0.64",
|
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]
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|
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[[package]]
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|
|
@ -2185,7 +2257,7 @@ checksum = "5b8a1e28f2deaa14e508979454cb3a223b10b938b45af148bc0986de36f1923b"
|
|||
dependencies = [
|
||||
"proc-macro2",
|
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"quote",
|
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"syn 2.0.63",
|
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"syn 2.0.64",
|
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]
|
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|
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[[package]]
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|
|
@ -2237,7 +2309,7 @@ checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
|
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dependencies = [
|
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"proc-macro2",
|
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"quote",
|
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"syn 2.0.63",
|
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"syn 2.0.64",
|
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]
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[[package]]
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|
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@ -2403,7 +2475,7 @@ dependencies = [
|
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"once_cell",
|
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"proc-macro2",
|
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"quote",
|
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"syn 2.0.63",
|
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"syn 2.0.64",
|
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"wasm-bindgen-shared",
|
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]
|
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|
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|
|
@ -2425,7 +2497,7 @@ checksum = "e94f17b526d0a461a191c78ea52bbce64071ed5c04c9ffe424dcb38f74171bb7"
|
|||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
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"syn 2.0.63",
|
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"syn 2.0.64",
|
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"wasm-bindgen-backend",
|
||||
"wasm-bindgen-shared",
|
||||
]
|
||||
|
|
@ -2655,5 +2727,5 @@ checksum = "125139de3f6b9d625c39e2efdd73d41bdac468ccd556556440e322be0e1bbd91"
|
|||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn 2.0.63",
|
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"syn 2.0.64",
|
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]
|
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|
|
|
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|
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@ -25,3 +25,10 @@ tracing-subscriber = { version = "0.3", features = ["env-filter", "registry"] }
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lazy_static = "1.4"
|
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async-trait = "0.1"
|
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dirs = "5.0"
|
||||
mp3lame-encoder = { version = "0.1.5", optional = true }
|
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futures = "0.3"
|
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rayon = "1.10"
|
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|
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[features]
|
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default = ["mp3"]
|
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mp3 = ["dep:mp3lame-encoder"]
|
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82
src/channel_sink.rs
Normal file
82
src/channel_sink.rs
Normal file
|
|
@ -0,0 +1,82 @@
|
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use librespot::playback::audio_backend::Sink;
|
||||
use librespot::playback::audio_backend::SinkError;
|
||||
use librespot::playback::convert::Converter;
|
||||
use librespot::playback::decoder::AudioPacket;
|
||||
|
||||
use crate::track::TrackMetadata;
|
||||
|
||||
pub enum SinkEvent {
|
||||
Write { bytes: usize, total: usize, content: Vec<i32> },
|
||||
Finished,
|
||||
}
|
||||
pub type SinkEventChannel = tokio::sync::mpsc::UnboundedReceiver<SinkEvent>;
|
||||
|
||||
pub struct ChannelSink {
|
||||
sender: tokio::sync::mpsc::UnboundedSender<SinkEvent>,
|
||||
bytes_total: usize,
|
||||
bytes_sent: usize,
|
||||
}
|
||||
|
||||
impl ChannelSink {
|
||||
|
||||
pub fn new(track: TrackMetadata) -> (Self, SinkEventChannel) {
|
||||
let (tx, rx) = tokio::sync::mpsc::unbounded_channel();
|
||||
|
||||
(
|
||||
ChannelSink {
|
||||
sender: tx,
|
||||
bytes_sent: 0,
|
||||
bytes_total: Self::convert_track_duration_to_size(&track),
|
||||
},
|
||||
rx,
|
||||
)
|
||||
}
|
||||
|
||||
fn convert_track_duration_to_size(metadata: &TrackMetadata) -> usize {
|
||||
let duration = metadata.duration / 1000;
|
||||
let sample_rate = 44100;
|
||||
let channels = 2;
|
||||
let bits_per_sample = 16;
|
||||
let bytes_per_sample = bits_per_sample / 8;
|
||||
(duration as usize) * sample_rate * channels * bytes_per_sample * 2
|
||||
}
|
||||
|
||||
pub fn get_approximate_size(&self) -> usize {
|
||||
self.bytes_total
|
||||
}
|
||||
}
|
||||
|
||||
impl Sink for ChannelSink {
|
||||
fn start(&mut self) -> Result<(), SinkError> {
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn stop(&mut self) -> Result<(), SinkError> {
|
||||
tracing::info!("Finished sending song");
|
||||
|
||||
self.sender
|
||||
.send(SinkEvent::Finished)
|
||||
.map_err(|_| SinkError::OnWrite("Failed to send finished event".to_string()))?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn write(&mut self, packet: AudioPacket, converter: &mut Converter) -> Result<(), SinkError> {
|
||||
let data = converter.f64_to_s16(
|
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packet
|
||||
.samples()
|
||||
.map_err(|_| SinkError::OnWrite("Failed to get samples".to_string()))?,
|
||||
);
|
||||
let data32: Vec<i32> = data.iter().map(|el| i32::from(*el)).collect();
|
||||
self.bytes_sent += data32.len() * std::mem::size_of::<i32>();
|
||||
|
||||
self.sender
|
||||
.send(SinkEvent::Write {
|
||||
bytes: self.bytes_sent,
|
||||
total: self.bytes_total,
|
||||
content: data32,
|
||||
})
|
||||
.map_err(|_| SinkError::OnWrite("Failed to send event".to_string()))?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
|
@ -1,8 +1,10 @@
|
|||
use std::fmt::Write;
|
||||
use std::path::PathBuf;
|
||||
use std::sync::Arc;
|
||||
use std::time::Duration;
|
||||
|
||||
use anyhow::Result;
|
||||
use futures::StreamExt;
|
||||
use futures::TryStreamExt;
|
||||
use indicatif::MultiProgress;
|
||||
use indicatif::ProgressBar;
|
||||
use indicatif::ProgressState;
|
||||
|
|
@ -13,8 +15,10 @@ use librespot::playback::mixer::NoOpVolume;
|
|||
use librespot::playback::mixer::VolumeGetter;
|
||||
use librespot::playback::player::Player;
|
||||
|
||||
use crate::file_sink::FileSink;
|
||||
use crate::file_sink::SinkEvent;
|
||||
use crate::channel_sink::ChannelSink;
|
||||
use crate::encoder::Format;
|
||||
use crate::encoder::Samples;
|
||||
use crate::channel_sink::SinkEvent;
|
||||
use crate::track::Track;
|
||||
use crate::track::TrackMetadata;
|
||||
|
||||
|
|
@ -29,16 +33,18 @@ pub struct DownloadOptions {
|
|||
pub destination: PathBuf,
|
||||
pub compression: Option<u32>,
|
||||
pub parallel: usize,
|
||||
pub format: Format,
|
||||
}
|
||||
|
||||
impl DownloadOptions {
|
||||
pub fn new(destination: Option<String>, compression: Option<u32>, parallel: usize) -> Self {
|
||||
pub fn new(destination: Option<String>, compression: Option<u32>, parallel: usize, format: Format) -> Self {
|
||||
let destination =
|
||||
destination.map_or_else(|| std::env::current_dir().unwrap(), PathBuf::from);
|
||||
DownloadOptions {
|
||||
destination,
|
||||
compression,
|
||||
parallel,
|
||||
format
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -57,23 +63,13 @@ impl Downloader {
|
|||
tracks: Vec<Track>,
|
||||
options: &DownloadOptions,
|
||||
) -> Result<()> {
|
||||
let this = Arc::new(self);
|
||||
|
||||
let chunks = tracks.chunks(options.parallel);
|
||||
for chunk in chunks {
|
||||
let mut tasks = Vec::new();
|
||||
for track in chunk {
|
||||
let t = track.clone();
|
||||
let downloader = this.clone();
|
||||
let options = options.clone();
|
||||
tasks.push(tokio::spawn(async move {
|
||||
downloader.download_track(t, &options).await
|
||||
}));
|
||||
}
|
||||
for task in tasks {
|
||||
task.await??;
|
||||
}
|
||||
}
|
||||
futures::stream::iter(tracks)
|
||||
.map(|track| {
|
||||
self.download_track(track, options)
|
||||
})
|
||||
.buffer_unordered(options.parallel)
|
||||
.try_collect::<Vec<_>>()
|
||||
.await?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
|
@ -87,23 +83,24 @@ impl Downloader {
|
|||
let path = options
|
||||
.destination
|
||||
.join(file_name.clone())
|
||||
.with_extension("flac")
|
||||
.with_extension(options.format.extension())
|
||||
.to_str()
|
||||
.ok_or(anyhow::anyhow!("Could not set the output path"))?
|
||||
.to_string();
|
||||
|
||||
let (file_sink, mut sink_channel) = FileSink::new(path.to_string(), metadata);
|
||||
let (sink, mut sink_channel) = ChannelSink::new(metadata);
|
||||
|
||||
let file_size = file_sink.get_approximate_size();
|
||||
let file_size = sink.get_approximate_size();
|
||||
|
||||
let (mut player, _) = Player::new(
|
||||
self.player_config.clone(),
|
||||
self.session.clone(),
|
||||
self.volume_getter(),
|
||||
move || Box::new(file_sink),
|
||||
move || Box::new(sink),
|
||||
);
|
||||
|
||||
let pb = self.progress_bar.add(ProgressBar::new(file_size as u64));
|
||||
pb.enable_steady_tick(Duration::from_millis(100));
|
||||
pb.set_style(ProgressStyle::with_template("{spinner:.green} {msg} [{elapsed_precise}] [{wide_bar:.cyan/blue}] {bytes}/{total_bytes} ({eta})")?
|
||||
.with_key("eta", |state: &ProgressState, w: &mut dyn Write| write!(w, "{:.1}s", state.eta().as_secs_f64()).unwrap())
|
||||
.progress_chars("#>-"));
|
||||
|
|
@ -111,25 +108,38 @@ impl Downloader {
|
|||
|
||||
player.load(track.id, true, 0);
|
||||
|
||||
let name = file_name.clone();
|
||||
tokio::spawn(async move {
|
||||
while let Some(event) = sink_channel.recv().await {
|
||||
match event {
|
||||
SinkEvent::Written { bytes, total } => {
|
||||
tracing::trace!("Written {} bytes out of {}", bytes, total);
|
||||
pb.set_position(bytes as u64);
|
||||
}
|
||||
SinkEvent::Finished => {
|
||||
pb.finish_with_message(format!("Downloaded {}", name));
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
let mut samples = Vec::<i32>::new();
|
||||
|
||||
tokio::spawn(async move {
|
||||
player.await_end_of_track().await;
|
||||
player.stop();
|
||||
});
|
||||
|
||||
tracing::info!("Downloaded track: {:?}", file_name);
|
||||
while let Some(event) = sink_channel.recv().await {
|
||||
match event {
|
||||
SinkEvent::Write { bytes, total, mut content } => {
|
||||
tracing::trace!("Written {} bytes out of {}", bytes, total);
|
||||
pb.set_position(bytes as u64);
|
||||
samples.append(&mut content);
|
||||
}
|
||||
SinkEvent::Finished => {
|
||||
tracing::info!("Finished downloading track: {:?}", file_name);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
tracing::info!("Encoding track: {:?}", file_name);
|
||||
pb.set_message(format!("Encoding {}", &file_name));
|
||||
let samples = Samples::new(samples, 44100, 2, 16);
|
||||
let encoder = crate::encoder::get_encoder(options.format);
|
||||
let stream = encoder.encode(samples).await?;
|
||||
|
||||
pb.set_message(format!("Writing {}", &file_name));
|
||||
tracing::info!("Writing track: {:?} to file: {}", file_name, &path);
|
||||
stream.write_to_file(&path).await?;
|
||||
|
||||
pb.finish_with_message(format!("Downloaded {}", &file_name));
|
||||
Ok(())
|
||||
}
|
||||
|
||||
|
|
|
|||
52
src/encoder/flac.rs
Normal file
52
src/encoder/flac.rs
Normal file
|
|
@ -0,0 +1,52 @@
|
|||
use flacenc::bitsink::ByteSink;
|
||||
use flacenc::component::BitRepr;
|
||||
use flacenc::error::Verify;
|
||||
|
||||
use super::execute_with_result;
|
||||
use super::EncodedStream;
|
||||
use super::Encoder;
|
||||
use super::Samples;
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct FlacEncoder;
|
||||
|
||||
#[async_trait::async_trait]
|
||||
impl Encoder for FlacEncoder {
|
||||
async fn encode(&self, samples: Samples) -> anyhow::Result<EncodedStream> {
|
||||
let source = flacenc::source::MemSource::from_samples(
|
||||
&samples.samples,
|
||||
samples.channels as usize,
|
||||
samples.bits_per_sample as usize,
|
||||
samples.sample_rate as usize,
|
||||
);
|
||||
|
||||
let config = flacenc::config::Encoder::default()
|
||||
.into_verified()
|
||||
.map_err(|e| anyhow::anyhow!("Failed to verify encoder config: {:?}", e))?;
|
||||
|
||||
let (tx, rx) = tokio::sync::oneshot::channel();
|
||||
|
||||
rayon::spawn(execute_with_result(
|
||||
move || {
|
||||
let flac_stream = flacenc::encode_with_fixed_block_size(
|
||||
&config,
|
||||
source,
|
||||
config.block_size,
|
||||
)
|
||||
.map_err(|e| anyhow::anyhow!("Failed to encode flac: {:?}", e))?;
|
||||
|
||||
let mut byte_sink = ByteSink::new();
|
||||
flac_stream
|
||||
.write(&mut byte_sink)
|
||||
.map_err(|e| anyhow::anyhow!("Failed to write flac stream: {:?}", e))?;
|
||||
|
||||
Ok(byte_sink.into_inner())
|
||||
},
|
||||
tx,
|
||||
));
|
||||
|
||||
let byte_sink: Vec<u8> = rx.await??;
|
||||
|
||||
Ok(EncodedStream::new(byte_sink))
|
||||
}
|
||||
}
|
||||
111
src/encoder/mod.rs
Normal file
111
src/encoder/mod.rs
Normal file
|
|
@ -0,0 +1,111 @@
|
|||
mod flac;
|
||||
#[cfg(feature = "mp3")]
|
||||
mod mp3;
|
||||
|
||||
use std::{path::Path, str::FromStr};
|
||||
|
||||
use anyhow::Result;
|
||||
use tokio::sync::oneshot::Sender;
|
||||
|
||||
use self::{flac::FlacEncoder, mp3::Mp3Encoder};
|
||||
|
||||
#[derive(Debug, Clone, Copy, Eq, PartialEq, Hash)]
|
||||
pub enum Format {
|
||||
Flac,
|
||||
#[cfg(feature = "mp3")]
|
||||
Mp3,
|
||||
}
|
||||
|
||||
impl FromStr for Format {
|
||||
type Err = anyhow::Error;
|
||||
|
||||
fn from_str(s: &str) -> Result<Self> {
|
||||
match s {
|
||||
"flac" => Ok(Format::Flac),
|
||||
#[cfg(feature = "mp3")]
|
||||
"mp3" => Ok(Format::Mp3),
|
||||
_ => Err(anyhow::anyhow!("Unsupported format")),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Format {
|
||||
|
||||
pub fn extension(&self) -> &'static str {
|
||||
match self {
|
||||
Format::Flac => "flac",
|
||||
#[cfg(feature = "mp3")]
|
||||
Format::Mp3 => "mp3",
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
const FLAC_ENCODER: &FlacEncoder = &FlacEncoder;
|
||||
#[cfg(feature = "mp3")]
|
||||
const MP3_ENCODER: &Mp3Encoder = &Mp3Encoder;
|
||||
|
||||
pub fn get_encoder(format: Format) -> &'static dyn Encoder {
|
||||
match format {
|
||||
Format::Flac => FLAC_ENCODER,
|
||||
#[cfg(feature = "mp3")]
|
||||
Format::Mp3 => MP3_ENCODER,
|
||||
}
|
||||
}
|
||||
|
||||
#[async_trait::async_trait]
|
||||
pub trait Encoder {
|
||||
async fn encode(&self, samples: Samples) -> Result<EncodedStream>;
|
||||
}
|
||||
|
||||
pub struct Samples {
|
||||
pub samples: Vec<i32>,
|
||||
pub sample_rate: u32,
|
||||
pub channels: u32,
|
||||
pub bits_per_sample: u32,
|
||||
}
|
||||
|
||||
impl Samples {
|
||||
pub fn new(samples: Vec<i32>, sample_rate: u32, channels: u32, bits_per_sample: u32) -> Self {
|
||||
Samples {
|
||||
samples,
|
||||
sample_rate,
|
||||
channels,
|
||||
bits_per_sample,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub struct EncodedStream {
|
||||
pub stream: Vec<u8>,
|
||||
}
|
||||
|
||||
impl EncodedStream {
|
||||
pub fn new(stream: Vec<u8>) -> Self {
|
||||
EncodedStream { stream }
|
||||
}
|
||||
|
||||
pub async fn write_to_file<P: AsRef<Path>>(&self, path: P) -> Result<()> {
|
||||
if !path.as_ref().exists() {
|
||||
tokio::fs::create_dir_all(
|
||||
path.as_ref()
|
||||
.parent()
|
||||
.ok_or(anyhow::anyhow!("Could not create path"))?,
|
||||
).await?;
|
||||
}
|
||||
tokio::fs::write(path, &self.stream).await?;
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
pub fn execute_with_result<F, T>(func: F, tx: Sender<anyhow::Result<T>>) -> impl FnOnce()
|
||||
where
|
||||
F: FnOnce() -> anyhow::Result<T> + Send + 'static,
|
||||
T: Send + 'static,
|
||||
{
|
||||
move || {
|
||||
let result = func();
|
||||
// Ignore the error if the receiver has been dropped
|
||||
let _ = tx.send(result);
|
||||
}
|
||||
}
|
||||
72
src/encoder/mp3.rs
Normal file
72
src/encoder/mp3.rs
Normal file
|
|
@ -0,0 +1,72 @@
|
|||
use anyhow::anyhow;
|
||||
use anyhow::Ok;
|
||||
use mp3lame_encoder::Builder;
|
||||
use mp3lame_encoder::FlushNoGap;
|
||||
use mp3lame_encoder::InterleavedPcm;
|
||||
|
||||
use super::execute_with_result;
|
||||
use super::EncodedStream;
|
||||
use super::Encoder;
|
||||
use super::Samples;
|
||||
|
||||
pub struct Mp3Encoder;
|
||||
|
||||
impl Mp3Encoder {
|
||||
fn build_encoder(
|
||||
&self,
|
||||
sample_rate: u32,
|
||||
channels: u32,
|
||||
) -> anyhow::Result<mp3lame_encoder::Encoder> {
|
||||
let mut builder = Builder::new().ok_or(anyhow::anyhow!("Failed to create mp3 encoder"))?;
|
||||
|
||||
builder
|
||||
.set_sample_rate(sample_rate)
|
||||
.map_err(|e| anyhow::anyhow!("Failed to set sample rate for mp3 encoder: {}", e))?;
|
||||
builder.set_num_channels(channels as u8).map_err(|e| {
|
||||
anyhow::anyhow!("Failed to set number of channels for mp3 encoder: {}", e)
|
||||
})?;
|
||||
builder
|
||||
.set_brate(mp3lame_encoder::Birtate::Kbps160)
|
||||
.map_err(|e| anyhow::anyhow!("Failed to set bitrate for mp3 encoder: {}", e))?;
|
||||
|
||||
builder
|
||||
.build()
|
||||
.map_err(|e| anyhow::anyhow!("Failed to build mp3 encoder: {}", e))
|
||||
}
|
||||
}
|
||||
|
||||
#[async_trait::async_trait]
|
||||
impl Encoder for Mp3Encoder {
|
||||
async fn encode(&self, samples: Samples) -> anyhow::Result<EncodedStream> {
|
||||
let mut mp3_encoder = self.build_encoder(samples.sample_rate, samples.channels)?;
|
||||
|
||||
let (tx, rx) = tokio::sync::oneshot::channel();
|
||||
|
||||
rayon::spawn(execute_with_result(
|
||||
move || {
|
||||
let samples: Vec<i16> = samples.samples.iter().map(|&x| x as i16).collect();
|
||||
let input = InterleavedPcm(samples.as_slice());
|
||||
let mut mp3_out_buffer = Vec::with_capacity(mp3lame_encoder::max_required_buffer_size(samples.len()));
|
||||
let encoded_size = mp3_encoder
|
||||
.encode(input, mp3_out_buffer.spare_capacity_mut())
|
||||
.map_err(|e| anyhow!("Failed to encode mp3: {}", e))?;
|
||||
unsafe {
|
||||
mp3_out_buffer.set_len(mp3_out_buffer.len().wrapping_add(encoded_size));
|
||||
}
|
||||
|
||||
let encoded_size = mp3_encoder
|
||||
.flush::<FlushNoGap>(mp3_out_buffer.spare_capacity_mut())
|
||||
.map_err(|e| anyhow!("Failed to flush mp3 encoder: {}", e))?;
|
||||
unsafe {
|
||||
mp3_out_buffer.set_len(mp3_out_buffer.len().wrapping_add(encoded_size));
|
||||
}
|
||||
Ok(mp3_out_buffer)
|
||||
},
|
||||
tx,
|
||||
));
|
||||
|
||||
let mp3_out_buffer = rx.await??;
|
||||
|
||||
Ok(EncodedStream::new(mp3_out_buffer))
|
||||
}
|
||||
}
|
||||
|
|
@ -9,6 +9,8 @@ use librespot::playback::audio_backend::SinkError;
|
|||
use librespot::playback::convert::Converter;
|
||||
use librespot::playback::decoder::AudioPacket;
|
||||
|
||||
use crate::encoder::get_encoder;
|
||||
use crate::encoder::Samples;
|
||||
use crate::track::TrackMetadata;
|
||||
|
||||
pub enum SinkEvent {
|
||||
|
|
@ -67,18 +69,42 @@ impl Sink for FileSink {
|
|||
fn stop(&mut self) -> Result<(), SinkError> {
|
||||
tracing::info!("Writing to file: {:?}", &self.sink);
|
||||
|
||||
let config = flacenc::config::Encoder::default()
|
||||
.into_verified()
|
||||
.map_err(|_| SinkError::OnWrite("Failed to create flac encoder".to_string()))?;
|
||||
let source = flacenc::source::MemSource::from_samples(&self.content, 2, 16, 44100);
|
||||
let flac_stream = flacenc::encode_with_fixed_block_size(&config, source, config.block_size)
|
||||
// let config = flacenc::config::Encoder::default()
|
||||
// .into_verified()
|
||||
// .map_err(|_| SinkError::OnWrite("Failed to create flac encoder".to_string()))?;
|
||||
// let source = flacenc::source::MemSource::from_samples(&self.content, 2, 16, 44100);
|
||||
// let flac_stream = flacenc::encode_with_fixed_block_size(&config, source, config.block_size)
|
||||
// .map_err(|_| SinkError::OnWrite("Failed to encode flac".to_string()))?;
|
||||
// let mut sink = flacenc::bitsink::ByteSink::new();
|
||||
// flac_stream
|
||||
// .write(&mut sink)
|
||||
// .map_err(|_| SinkError::OnWrite("Failed to write flac to sink".to_string()))?;
|
||||
// std::fs::write(&self.sink, sink.as_slice())
|
||||
// .map_err(|_| SinkError::OnWrite("Failed to write flac to file".to_string()))?;
|
||||
let flac_enc = get_encoder(crate::encoder::Format::Flac)
|
||||
.map_err(|_| SinkError::OnWrite("Failed to get flac encoder".to_string()))?;
|
||||
let mp3_enc = get_encoder(crate::encoder::Format::Mp3)
|
||||
.map_err(|_| SinkError::OnWrite("Failed to get mp3 encoder".to_string()))?;
|
||||
|
||||
let flac_stream = flac_enc.encode(Samples::new(
|
||||
self.content.clone(),
|
||||
44100,
|
||||
2,
|
||||
16,
|
||||
))
|
||||
.map_err(|_| SinkError::OnWrite("Failed to encode flac".to_string()))?;
|
||||
let mut sink = flacenc::bitsink::ByteSink::new();
|
||||
flac_stream
|
||||
.write(&mut sink)
|
||||
.map_err(|_| SinkError::OnWrite("Failed to write flac to sink".to_string()))?;
|
||||
std::fs::write(&self.sink, sink.as_slice())
|
||||
let mp3_stream = mp3_enc.encode(Samples::new(
|
||||
self.content.clone(),
|
||||
44100,
|
||||
2,
|
||||
16,
|
||||
))
|
||||
.map_err(|_| SinkError::OnWrite("Failed to encode mp3".to_string()))?;
|
||||
|
||||
flac_stream.write_to_file(&self.sink)
|
||||
.map_err(|_| SinkError::OnWrite("Failed to write flac to file".to_string()))?;
|
||||
mp3_stream.write_to_file(&self.sink)
|
||||
.map_err(|_| SinkError::OnWrite("Failed to write mp3 to file".to_string()))?;
|
||||
|
||||
let mut tag = Tag::new()
|
||||
.with_tag_type(TagType::Flac)
|
||||
|
|
|
|||
|
|
@ -1,4 +1,5 @@
|
|||
pub mod download;
|
||||
pub mod file_sink;
|
||||
pub mod channel_sink;
|
||||
pub mod session;
|
||||
pub mod track;
|
||||
pub mod encoder;
|
||||
10
src/main.rs
10
src/main.rs
|
|
@ -1,4 +1,5 @@
|
|||
use spotify_dl::download::{DownloadOptions, Downloader};
|
||||
use spotify_dl::encoder::Format;
|
||||
use spotify_dl::session::create_session;
|
||||
use spotify_dl::track::get_tracks;
|
||||
use structopt::StructOpt;
|
||||
|
|
@ -41,6 +42,13 @@ struct Opt {
|
|||
default_value = "5"
|
||||
)]
|
||||
parallel: usize,
|
||||
#[structopt(
|
||||
short = "f",
|
||||
long = "format",
|
||||
help = "The format to download the tracks in. Default is flac.",
|
||||
default_value = "flac"
|
||||
)]
|
||||
format: Format
|
||||
}
|
||||
|
||||
pub fn configure_logger() {
|
||||
|
|
@ -84,7 +92,7 @@ async fn main() -> anyhow::Result<()> {
|
|||
downloader
|
||||
.download_tracks(
|
||||
track,
|
||||
&DownloadOptions::new(opt.destination, opt.compression, opt.parallel),
|
||||
&DownloadOptions::new(opt.destination, opt.compression, opt.parallel, opt.format),
|
||||
)
|
||||
.await
|
||||
}
|
||||
|
|
|
|||
|
|
@ -14,6 +14,7 @@ trait TrackCollection {
|
|||
pub async fn get_tracks(spotify_ids: Vec<String>, session: &Session) -> Result<Vec<Track>> {
|
||||
let mut tracks: Vec<Track> = Vec::new();
|
||||
for id in spotify_ids {
|
||||
tracing::debug!("Getting tracks for: {}", id);
|
||||
let id = parse_uri_or_url(&id).ok_or(anyhow::anyhow!("Invalid track"))?;
|
||||
let new_tracks = match id.audio_type {
|
||||
librespot::core::spotify_id::SpotifyAudioType::Track => vec![Track::from_id(id)],
|
||||
|
|
@ -39,7 +40,9 @@ fn parse_uri_or_url(track: &str) -> Option<SpotifyId> {
|
|||
}
|
||||
|
||||
fn parse_uri(track_uri: &str) -> Option<SpotifyId> {
|
||||
SpotifyId::from_uri(track_uri).ok()
|
||||
let res = SpotifyId::from_uri(track_uri);
|
||||
tracing::info!("Parsed URI: {:?}", res);
|
||||
res.ok()
|
||||
}
|
||||
|
||||
fn parse_url(track_url: &str) -> Option<SpotifyId> {
|
||||
|
|
|
|||
Loading…
Reference in a new issue