98 lines
2.1 KiB
Rust
98 lines
2.1 KiB
Rust
use crate::{error::Error, process::Process, store::Store};
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use actix_web::web::Bytes;
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use tokio::io::AsyncRead;
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use tracing::instrument;
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#[derive(Debug)]
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pub(crate) enum InputFormat {
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Gif,
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Mp4,
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}
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#[derive(Debug)]
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pub(crate) enum ThumbnailFormat {
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Jpeg,
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// Webp,
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}
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impl InputFormat {
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fn as_format(&self) -> &'static str {
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match self {
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InputFormat::Gif => "gif_pipe",
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InputFormat::Mp4 => "mp4",
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}
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}
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}
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impl ThumbnailFormat {
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fn as_codec(&self) -> &'static str {
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match self {
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ThumbnailFormat::Jpeg => "mjpeg",
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// ThumbnailFormat::Webp => "webp",
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}
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}
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fn as_format(&self) -> &'static str {
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match self {
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ThumbnailFormat::Jpeg => "singlejpeg",
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// ThumbnailFormat::Webp => "webp",
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}
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}
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}
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pub(crate) fn to_mp4_bytes(
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input: Bytes,
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input_format: InputFormat,
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) -> std::io::Result<impl AsyncRead + Unpin> {
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let process = Process::run(
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"ffmpeg",
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&[
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"-f",
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input_format.as_format(),
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"-i",
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"pipe:",
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"-movflags",
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"faststart+frag_keyframe+empty_moov",
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"-pix_fmt",
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"yuv420p",
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"-vf",
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"scale=trunc(iw/2)*2:trunc(ih/2)*2",
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"-an",
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"-codec",
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"h264",
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"-f",
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"mp4",
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"pipe:",
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],
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)?;
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Ok(process.bytes_read(input).unwrap())
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}
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#[instrument(name = "Create video thumbnail")]
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pub(crate) async fn thumbnail<S: Store>(
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store: S,
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from: S::Identifier,
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input_format: InputFormat,
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format: ThumbnailFormat,
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) -> Result<impl AsyncRead + Unpin, Error> {
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let process = Process::run(
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"ffmpeg",
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&[
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"-f",
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input_format.as_format(),
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"-i",
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"pipe:",
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"-vframes",
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"1",
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"-codec",
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format.as_codec(),
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"-f",
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format.as_format(),
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"pipe:",
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],
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)?;
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Ok(process.store_read(store, from).unwrap())
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}
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