mirror of
https://github.com/Syfaro/fuzzysearch.git
synced 2024-11-23 07:12:30 +00:00
Add methods to extract hashes from a GIF or video.
This commit is contained in:
Syfaro
parent
f6319e6d90
commit
9eb653ce6b
21
.drone.yml
21
.drone.yml
@ -8,6 +8,12 @@ platform:
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arch: amd64
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steps:
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- name: test
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image: rust:1-slim
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commands:
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- cargo build
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- cargo test
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- name: build-latest
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image: plugins/docker
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settings:
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@ -22,19 +28,4 @@ steps:
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branch:
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- master
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- name: build-branch
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image: plugins/docker
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settings:
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password:
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from_secret: docker_password
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registry: registry.huefox.com
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repo: registry.huefox.com/fuzzysearch
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tags: ${DRONE_BRANCH}
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username:
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from_secret: docker_username
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when:
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branch:
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exclude:
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- master
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...
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136
Cargo.lock
generated
136
Cargo.lock
generated
@ -21,6 +21,12 @@ dependencies = [
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"winapi 0.3.9",
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]
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[[package]]
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name = "anyhow"
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version = "1.0.35"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2c0df63cb2955042487fad3aefd2c6e3ae7389ac5dc1beb28921de0b69f779d4"
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[[package]]
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name = "async-trait"
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version = "0.1.42"
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@ -87,6 +93,26 @@ dependencies = [
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"tokio-postgres",
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]
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[[package]]
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name = "bindgen"
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version = "0.54.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "66c0bb6167449588ff70803f4127f0684f9063097eca5016f37eb52b92c2cf36"
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dependencies = [
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"bitflags",
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"cexpr",
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"cfg-if 0.1.10",
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"clang-sys",
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"lazy_static",
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"lazycell",
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"peeking_take_while",
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"proc-macro2",
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"quote",
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"regex",
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"rustc-hash",
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"shlex",
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]
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[[package]]
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name = "bitflags"
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version = "1.2.1"
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@ -175,6 +201,15 @@ version = "1.0.66"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4c0496836a84f8d0495758516b8621a622beb77c0fed418570e50764093ced48"
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[[package]]
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name = "cexpr"
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version = "0.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f4aedb84272dbe89af497cf81375129abda4fc0a9e7c5d317498c15cc30c0d27"
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dependencies = [
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"nom",
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]
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[[package]]
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name = "cfg-if"
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version = "0.1.10"
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@ -200,6 +235,17 @@ dependencies = [
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"winapi 0.3.9",
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]
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[[package]]
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name = "clang-sys"
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version = "0.29.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "fe6837df1d5cba2397b835c8530f51723267e16abbf83892e9e5af4f0e5dd10a"
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dependencies = [
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"glob",
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"libc",
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"libloading",
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]
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[[package]]
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name = "cloudabi"
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version = "0.0.3"
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@ -344,6 +390,31 @@ version = "0.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4443176a9f2c162692bd3d352d745ef9413eec5782a80d8fd6f8a1ac692a07f7"
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[[package]]
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name = "ffmpeg-next"
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version = "4.3.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5e17e735bf446b8e57b794fcb5841106817e890de40275dfad367493a752c3e9"
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dependencies = [
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"bitflags",
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"ffmpeg-sys-next",
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"libc",
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]
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[[package]]
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name = "ffmpeg-sys-next"
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version = "4.3.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2fde8cbf91a1b044b86d9e9e944c33806a68f5e34e4281033594ceaab47a3746"
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dependencies = [
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"bindgen",
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"cc",
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"libc",
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"num_cpus",
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"pkg-config",
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"vcpkg",
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]
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[[package]]
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name = "fnv"
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version = "1.0.7"
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@ -481,11 +552,13 @@ dependencies = [
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name = "fuzzysearch"
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version = "0.1.0"
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dependencies = [
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"anyhow",
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"bb8",
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"bb8-postgres",
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"bk-tree",
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"bytes 0.5.6",
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"chrono",
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"ffmpeg-next",
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"futures",
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"futures-util",
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"hamming",
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@ -494,6 +567,7 @@ dependencies = [
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"opentelemetry",
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"opentelemetry-jaeger",
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"serde",
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"tempfile",
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"tokio 0.3.5",
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"tokio-postgres",
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"tracing",
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@ -556,6 +630,12 @@ dependencies = [
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"weezl",
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]
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[[package]]
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name = "glob"
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version = "0.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
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[[package]]
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name = "h2"
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version = "0.2.7"
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@ -807,12 +887,28 @@ version = "1.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
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[[package]]
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name = "lazycell"
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version = "1.3.0"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
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|
||||
[[package]]
|
||||
name = "libc"
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||||
version = "0.2.81"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "1482821306169ec4d07f6aca392a4681f66c75c9918aa49641a2595db64053cb"
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|
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[[package]]
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name = "libloading"
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||||
version = "0.5.2"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "f2b111a074963af1d37a139918ac6d49ad1d0d5e47f72fd55388619691a7d753"
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dependencies = [
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"cc",
|
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"winapi 0.3.9",
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]
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[[package]]
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name = "lock_api"
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version = "0.4.2"
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@ -998,6 +1094,16 @@ dependencies = [
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"winapi 0.3.9",
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]
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[[package]]
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name = "nom"
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version = "5.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ffb4262d26ed83a1c0a33a38fe2bb15797329c85770da05e6b828ddb782627af"
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dependencies = [
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"memchr",
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"version_check",
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]
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[[package]]
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name = "ntapi"
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version = "0.3.6"
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@ -1144,6 +1250,12 @@ dependencies = [
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"winapi 0.3.9",
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]
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[[package]]
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name = "peeking_take_while"
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||||
version = "0.1.2"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
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[[package]]
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name = "percent-encoding"
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version = "2.1.0"
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@ -1226,6 +1338,12 @@ version = "0.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
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[[package]]
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name = "pkg-config"
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version = "0.3.19"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3831453b3449ceb48b6d9c7ad7c96d5ea673e9b470a1dc578c2ce6521230884c"
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[[package]]
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name = "png"
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version = "0.16.7"
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@ -1550,6 +1668,12 @@ dependencies = [
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"winapi 0.3.9",
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]
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[[package]]
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name = "rustc-hash"
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version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
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[[package]]
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name = "rustc_version"
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version = "0.2.3"
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@ -1717,6 +1841,12 @@ dependencies = [
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"loom",
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]
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[[package]]
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name = "shlex"
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version = "0.1.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "7fdf1b9db47230893d76faad238fd6097fd6d6a9245cd7a4d90dbd639536bbd2"
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[[package]]
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name = "siphasher"
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version = "0.3.3"
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@ -2198,6 +2328,12 @@ version = "0.7.5"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "05e42f7c18b8f902290b009cde6d651262f956c98bc51bca4cd1d511c9cd85c7"
|
||||
|
||||
[[package]]
|
||||
name = "vcpkg"
|
||||
version = "0.2.10"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6454029bf181f092ad1b853286f23e2c507d8e8194d01d92da4a55c274a5508c"
|
||||
|
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[[package]]
|
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name = "version_check"
|
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version = "0.9.2"
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@ -17,8 +17,10 @@ tokio = { version = "0.3", features = ["macros", "rt-multi-thread", "sync"] }
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futures = "0.3"
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futures-util = "0.3"
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|
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anyhow = "1"
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chrono = "0.4"
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bytes = "0.5"
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tempfile = "3"
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serde = { version = "1", features = ["derive"] }
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warp = "0.2"
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@ -27,8 +29,10 @@ tokio-postgres = "0.6"
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bb8 = "0.6"
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bb8-postgres = "0.6"
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img_hash = "3"
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image = "0.23"
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ffmpeg-next = "4"
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img_hash = "3"
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hamming = "0.1"
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|
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bk-tree = "0.3"
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@ -9,6 +9,7 @@ mod handlers;
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mod models;
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mod types;
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mod utils;
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mod video;
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use warp::Filter;
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@ -89,6 +90,8 @@ impl bk_tree::Metric<Node> for Hamming {
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#[tokio::main]
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async fn main() {
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ffmpeg_next::init().expect("Unable to initialize ffmpeg");
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configure_tracing();
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let s = std::env::var("POSTGRES_DSN").expect("Missing POSTGRES_DSN");
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205
src/video.rs
Normal file
205
src/video.rs
Normal file
@ -0,0 +1,205 @@
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use std::convert::TryInto;
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use std::io::Read;
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use ffmpeg_next::{
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format::{input, Pixel},
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media::Type as MediaType,
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software::scaling::{context::Context, Flags as ScalingFlags},
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util::frame::Video,
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};
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use image::{gif::GifDecoder, AnimationDecoder};
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use tempfile::NamedTempFile;
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use crate::get_hasher;
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/// Extract frames of a GIF into individual images and calculate a hash for each
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/// frame. Results are kept in the same order as seen in the GIF.
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///
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/// This is a blocking function.
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#[tracing::instrument(skip(r))]
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pub fn extract_gif_hashes<R: Read>(r: R) -> Result<Vec<[u8; 8]>, image::ImageError> {
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let hasher = crate::get_hasher();
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// Begin by creating a new GifDecoder from our reader. Collect all frames
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// from the GIF.
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//
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// FUTURE: profile memory usage of collecting all frames instead of iterating
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let decoder = GifDecoder::new(r)?;
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let frames = decoder.into_frames().collect_frames()?;
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tracing::trace!(frames = frames.len(), "Collected GIF frames");
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// Allocate a Vec to hold all our hashes.
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let mut hashes = Vec::with_capacity(frames.len());
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// For each frame, get an ImageBuffer, hash the image, and append bytes into
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// the results.
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//
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// FUTURE: should this be parallelized?
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for frame in frames {
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let buf = frame.buffer();
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||||
|
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let hash = hasher.hash_image(buf);
|
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let bytes = hash.as_bytes().try_into().unwrap();
|
||||
|
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hashes.push(bytes);
|
||||
}
|
||||
|
||||
Ok(hashes)
|
||||
}
|
||||
|
||||
/// Write the contents of `r` into a temporary file and return the handle to
|
||||
/// that file. This file should automatically be deleted when the handle is
|
||||
/// dropped.
|
||||
///
|
||||
/// This is a blocking function.
|
||||
fn write_temp_file<R: Read>(mut r: R) -> std::io::Result<NamedTempFile> {
|
||||
let mut f = NamedTempFile::new()?;
|
||||
std::io::copy(&mut r, &mut f)?;
|
||||
|
||||
Ok(f)
|
||||
}
|
||||
|
||||
/// Extract frames of a video into individual images and calculate a hash for
|
||||
/// each frame. Results are kept in the same order as seen in the input.
|
||||
///
|
||||
/// This is a blocking function.
|
||||
#[tracing::instrument(skip(r))]
|
||||
pub fn extract_video_hashes<R: Read>(r: R) -> anyhow::Result<Vec<[u8; 8]>> {
|
||||
let f = write_temp_file(r)?;
|
||||
|
||||
// Create an input context from the given path.
|
||||
//
|
||||
// TODO: figure out if there's a way to provide data without creating a file
|
||||
let mut ictx = input(&f.path())?;
|
||||
|
||||
// Select the best video stream and find it's index.
|
||||
let input = ictx
|
||||
.streams()
|
||||
.best(MediaType::Video)
|
||||
.ok_or(ffmpeg_next::Error::StreamNotFound)?;
|
||||
let stream_index = input.index();
|
||||
|
||||
// Create a new decoder that outputs 8-bit RGB colors with the same
|
||||
// dimensions as the source.
|
||||
let mut decoder = input.codec().decoder().video()?;
|
||||
let mut scaler = Context::get(
|
||||
decoder.format(),
|
||||
decoder.width(),
|
||||
decoder.height(),
|
||||
Pixel::RGB24,
|
||||
decoder.width(),
|
||||
decoder.height(),
|
||||
ScalingFlags::BILINEAR,
|
||||
)?;
|
||||
|
||||
tracing::trace!("Initialized ffmpeg with video input");
|
||||
|
||||
let mut hashes: Vec<[u8; 8]> = Vec::new();
|
||||
let hasher = get_hasher();
|
||||
|
||||
// Callback function run for each packet loaded by ffmpeg. It's responsible
|
||||
// for processing each frame into a hash and storing it.
|
||||
let mut receive_and_process_decoded_frames =
|
||||
|decoder: &mut ffmpeg_next::decoder::Video| -> Result<(), ffmpeg_next::Error> {
|
||||
let mut decoded = Video::empty();
|
||||
|
||||
while decoder.receive_frame(&mut decoded).is_ok() {
|
||||
// Create a frame buffer and decode data into it.
|
||||
let mut rgb_frame = Video::empty();
|
||||
scaler.run(&decoded, &mut rgb_frame)?;
|
||||
|
||||
// Convert raw data into an RgbImage for use with image hashing.
|
||||
let data = rgb_frame.data(0).to_vec();
|
||||
let im: image::RgbImage =
|
||||
image::ImageBuffer::from_raw(decoder.width(), decoder.height(), data)
|
||||
.expect("Image frame data was invalid");
|
||||
|
||||
// Hash frame, convert to [u8; 8].
|
||||
let hash = hasher.hash_image(&im);
|
||||
let hash = hash.as_bytes();
|
||||
hashes.push(
|
||||
hash.try_into()
|
||||
.expect("img_hash provided incorrect number of bytes"),
|
||||
);
|
||||
}
|
||||
|
||||
Ok(())
|
||||
};
|
||||
|
||||
// Now that we've set up our callback, iterate through file packets, decode
|
||||
// them, and send to our callback for processing.
|
||||
for (stream, packet) in ictx.packets() {
|
||||
if stream.index() != stream_index {
|
||||
continue;
|
||||
}
|
||||
|
||||
decoder.send_packet(&packet)?;
|
||||
receive_and_process_decoded_frames(&mut decoder)?;
|
||||
}
|
||||
|
||||
// Make sure all data has been processed with EOF.
|
||||
decoder.send_eof()?;
|
||||
receive_and_process_decoded_frames(&mut decoder)?;
|
||||
|
||||
Ok(hashes)
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn test_extract_gif_hashes() -> anyhow::Result<()> {
|
||||
use std::fs::File;
|
||||
|
||||
let gif = File::open("tests/fox.gif")?;
|
||||
let hashes = extract_gif_hashes(&gif)?;
|
||||
|
||||
assert_eq!(
|
||||
hashes.len(),
|
||||
47,
|
||||
"GIF did not have expected number of hashes"
|
||||
);
|
||||
|
||||
assert_eq!(
|
||||
hashes[0],
|
||||
[154, 64, 160, 169, 170, 53, 181, 221],
|
||||
"First frame had different hash"
|
||||
);
|
||||
assert_eq!(
|
||||
hashes[1],
|
||||
[154, 64, 160, 169, 170, 53, 53, 221],
|
||||
"Second frame had different hash"
|
||||
);
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_extract_video_hashes() -> anyhow::Result<()> {
|
||||
use std::fs::File;
|
||||
|
||||
let video = File::open("tests/video.webm")?;
|
||||
let hashes = extract_video_hashes(&video)?;
|
||||
|
||||
assert_eq!(
|
||||
hashes.len(),
|
||||
126,
|
||||
"Video did not have expected number of hashes"
|
||||
);
|
||||
|
||||
assert_eq!(
|
||||
hashes[0],
|
||||
[60, 166, 75, 61, 48, 166, 73, 205],
|
||||
"First frame had different hash"
|
||||
);
|
||||
assert_eq!(
|
||||
hashes[1],
|
||||
[60, 166, 75, 61, 48, 166, 73, 205],
|
||||
"Second frame had different hash"
|
||||
);
|
||||
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
BIN
tests/fox.gif
Normal file
BIN
tests/fox.gif
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 1.1 MiB |
BIN
tests/video.webm
Normal file
BIN
tests/video.webm
Normal file
Binary file not shown.
Loading…
Reference in New Issue
Block a user