More piping

This commit is contained in:
asonix 2024-02-24 19:07:48 -06:00
parent 2074334131
commit 13fc0df31a
6 changed files with 118 additions and 178 deletions

View file

@ -14,7 +14,6 @@ use crate::{
state::State,
};
use super::Discovery;
const MP4: &str = "mp4";
@ -158,24 +157,6 @@ struct Flags {
alpha: usize,
}
#[tracing::instrument(skip_all)]
pub(super) async fn discover_bytes_stream<S>(
state: &State<S>,
bytes: BytesStream,
) -> Result<Option<Discovery>, FfMpegError> {
discover_file(state, move |mut file| {
let bytes = bytes.clone();
async move {
file.write_from_stream(bytes.into_io_stream())
.await
.map_err(FfMpegError::Write)?;
Ok(file)
}
})
.await
}
async fn allows_alpha(pixel_format: &str, timeout: u64) -> Result<bool, FfMpegError> {
static ALPHA_PIXEL_FORMATS: OnceLock<HashSet<String>> = OnceLock::new();
@ -191,45 +172,31 @@ async fn allows_alpha(pixel_format: &str, timeout: u64) -> Result<bool, FfMpegEr
}
#[tracing::instrument(level = "debug", skip_all)]
async fn discover_file<S, F, Fut>(state: &State<S>, f: F) -> Result<Option<Discovery>, FfMpegError>
where
F: FnOnce(crate::file::File) -> Fut,
Fut: std::future::Future<Output = Result<crate::file::File, FfMpegError>>,
{
let input_file = state.tmp_dir.tmp_file(None);
crate::store::file_store::safe_create_parent(&input_file)
.await
.map_err(FfMpegError::CreateDir)?;
let tmp_one = crate::file::File::create(&input_file)
.await
.map_err(FfMpegError::CreateFile)?;
let tmp_one = (f)(tmp_one).await?;
tmp_one.close().await.map_err(FfMpegError::CloseFile)?;
pub(super) async fn discover_bytes_stream<S>(
state: &State<S>,
bytes: BytesStream,
) -> Result<Option<Discovery>, FfMpegError> {
let res = Process::run(
"ffprobe",
&[
"-v".as_ref(),
"quiet".as_ref(),
"-count_frames".as_ref(),
"-show_entries".as_ref(),
"stream=width,height,nb_read_frames,codec_name,pix_fmt:format=format_name".as_ref(),
"-of".as_ref(),
"default=noprint_wrappers=1:nokey=1".as_ref(),
"-print_format".as_ref(),
"json".as_ref(),
input_file.as_os_str(),
"-v",
"quiet",
"-count_frames",
"-show_entries",
"stream=width,height,nb_read_frames,codec_name,pix_fmt:format=format_name",
"-of",
"default=noprint_wrappers=1:nokey=1",
"-print_format",
"json",
"-",
],
&[],
state.config.media.process_timeout,
)?
.read()
.drive_with_async_read(bytes.into_reader())
.into_vec()
.await;
input_file.cleanup().await.map_err(FfMpegError::Cleanup)?;
let output = res?;
let output: FfMpegDiscovery = serde_json::from_slice(&output).map_err(FfMpegError::Json)?;

View file

@ -117,20 +117,15 @@ async fn process<S: Store + 'static>(
let stream = state.store.to_stream(&identifier, None, None).await?;
let bytes = crate::magick::process_image_stream_read(
state,
stream,
thumbnail_args,
input_format,
format,
quality,
)
.await?
.into_bytes_stream()
.instrument(tracing::info_span!(
"Reading processed image to BytesStream"
))
.await?;
let bytes =
crate::magick::process_image_command(state, thumbnail_args, input_format, format, quality)
.await?
.drive_with_stream(stream)
.into_bytes_stream()
.instrument(tracing::info_span!(
"Reading processed image to BytesStream"
))
.await?;
drop(permit);

View file

@ -69,15 +69,11 @@ where
}
};
crate::magick::process_image_process_read(
state,
process_read,
magick_args,
format,
format,
quality,
)
.await?
let process =
crate::magick::process_image_command(state, magick_args, format, format, quality)
.await?;
process_read.pipe(process)
} else {
process_read
}

View file

@ -1,14 +1,11 @@
use std::{ffi::OsStr, ops::Deref, path::Path, sync::Arc};
use actix_web::web::Bytes;
use crate::{
config::Media,
error_code::ErrorCode,
formats::ProcessableFormat,
process::{Process, ProcessError, ProcessRead},
process::{Process, ProcessError},
state::State,
stream::LocalBoxStream,
tmp_file::{TmpDir, TmpFolder},
};
@ -86,40 +83,20 @@ impl MagickError {
}
}
async fn process_image<S, F, Fut>(
pub(crate) async fn process_image_command<S>(
state: &State<S>,
process_args: Vec<String>,
input_format: ProcessableFormat,
format: ProcessableFormat,
quality: Option<u8>,
write_file: F,
) -> Result<ProcessRead, MagickError>
where
F: FnOnce(crate::file::File) -> Fut,
Fut: std::future::Future<Output = Result<crate::file::File, MagickError>>,
{
) -> Result<Process, MagickError> {
let temporary_path = state
.tmp_dir
.tmp_folder()
.await
.map_err(MagickError::CreateTemporaryDirectory)?;
let input_file = state.tmp_dir.tmp_file(None);
crate::store::file_store::safe_create_parent(&input_file)
.await
.map_err(MagickError::CreateDir)?;
let tmp_one = crate::file::File::create(&input_file)
.await
.map_err(MagickError::CreateFile)?;
let tmp_one = (write_file)(tmp_one).await?;
tmp_one.close().await.map_err(MagickError::CloseFile)?;
let input_arg = [
input_format.magick_format().as_ref(),
input_file.as_os_str(),
]
.join(":".as_ref());
let input_arg = format!("{}:-", input_format.magick_format());
let output_arg = format!("{}:-", format.magick_format());
let quality = quality.map(|q| q.to_string());
@ -130,7 +107,7 @@ where
let mut args: Vec<&OsStr> = Vec::with_capacity(len);
args.push("convert".as_ref());
args.push(&input_arg);
args.push(input_arg.as_ref());
if input_format.coalesce() {
args.push("-coalesce".as_ref());
}
@ -145,67 +122,10 @@ where
(MAGICK_CONFIGURE_PATH, state.policy_dir.as_os_str()),
];
let reader = Process::run("magick", &args, &envs, state.config.media.process_timeout)?
.read()
.add_extras(input_file)
let process = Process::run("magick", &args, &envs, state.config.media.process_timeout)?
.add_extras(temporary_path);
Ok(reader)
}
pub(crate) async fn process_image_stream_read<S>(
state: &State<S>,
stream: LocalBoxStream<'static, std::io::Result<Bytes>>,
args: Vec<String>,
input_format: ProcessableFormat,
format: ProcessableFormat,
quality: Option<u8>,
) -> Result<ProcessRead, MagickError> {
process_image(
state,
args,
input_format,
format,
quality,
|mut tmp_file| async move {
tmp_file
.write_from_stream(stream)
.await
.map_err(MagickError::Write)?;
Ok(tmp_file)
},
)
.await
}
pub(crate) async fn process_image_process_read<S>(
state: &State<S>,
process_read: ProcessRead,
args: Vec<String>,
input_format: ProcessableFormat,
format: ProcessableFormat,
quality: Option<u8>,
) -> Result<ProcessRead, MagickError> {
process_image(
state,
args,
input_format,
format,
quality,
|mut tmp_file| async move {
process_read
.with_stdout(|stdout| async {
tmp_file
.write_from_async_read(stdout)
.await
.map_err(MagickError::Write)
})
.await??;
Ok(tmp_file)
},
)
.await
Ok(process)
}
pub(crate) type ArcPolicyDir = Arc<PolicyDir>;

View file

@ -398,6 +398,58 @@ impl ProcessRead {
.await?
}
pub(crate) fn pipe(self, process: Process) -> ProcessRead {
let Process {
command,
mut child,
guard,
timeout,
extras,
id,
} = process;
let mut stdin = child.stdin.take().expect("stdin exists");
let stdout = child.stdout.take().expect("stdout exists");
let command2 = command.clone();
let handle = Box::pin(async move {
self.with_stdout(move |mut stdout| async move {
let child_fut = async {
let n = tokio::io::copy(&mut stdout, &mut stdin).await?;
drop(stdout);
drop(stdin);
child.wait().await
};
match child_fut.with_timeout(timeout).await {
Ok(Ok(status)) if status.success() => {
guard.disarm();
Ok(())
}
Ok(Ok(status)) => Err(ProcessError::Status(command2, status)),
Ok(Err(e)) => Err(ProcessError::Other(command2, e)),
Err(_) => {
child
.kill()
.await
.map_err(|e| ProcessError::Other(command2.clone(), e))?;
Err(ProcessError::Timeout(command2))
}
}
})
.await?
});
ProcessRead {
reader: Box::pin(stdout),
handle,
command,
id,
extras,
}
}
pub(crate) async fn with_stdout<Fut>(
self,
f: impl FnOnce(BoxRead<'static>) -> Fut,

View file

@ -1,6 +1,5 @@
use std::{ffi::OsStr, sync::Arc};
use uuid::Uuid;
use crate::{
@ -35,27 +34,38 @@ pub(super) async fn transcode_bytes(
let output_file = tmp_dir.tmp_file(None);
let res = transcode_files(
input_file.as_os_str(),
input_format,
output_file.as_os_str(),
output_format,
crf,
timeout,
)
let res = async {
let res = transcode_files(
input_file.as_os_str(),
input_format,
output_file.as_os_str(),
output_format,
crf,
timeout,
)
.await;
input_file.cleanup().await.map_err(FfMpegError::Cleanup)?;
res?;
let tmp_two = crate::file::File::open(&output_file)
.await
.map_err(FfMpegError::OpenFile)?;
let stream = tmp_two
.read_to_stream(None, None)
.await
.map_err(FfMpegError::ReadFile)?;
Ok(tokio_util::io::StreamReader::new(stream))
}
.await;
input_file.cleanup().await.map_err(FfMpegError::Cleanup)?;
res?;
let tmp_two = crate::file::File::open(&output_file)
.await
.map_err(FfMpegError::OpenFile)?;
let stream = tmp_two
.read_to_stream(None, None)
.await
.map_err(FfMpegError::ReadFile)?;
let reader = tokio_util::io::StreamReader::new(stream);
let reader = match res {
Ok(reader) => reader,
Err(e) => {
output_file.cleanup().await.map_err(FfMpegError::Cleanup)?;
return Err(e);
}
};
let process_read = ProcessRead::new(
Box::pin(reader),