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exporter: Allow exporting of multiple swfs

This commit is contained in:
Nathan Adams 2020-05-05 23:33:37 +02:00 committed by Mike Welsh
parent 9ab03b4da6
commit 07e4b1a224
3 changed files with 160 additions and 56 deletions
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2
Cargo.lock generated
View File

@ -603,10 +603,12 @@ dependencies = [
"futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
"image 0.23.4 (registry+https://github.com/rust-lang/crates.io-index)",
"log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
"path-slash 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
"ruffle_core 0.1.0",
"ruffle_render_wgpu 0.1.0",
"sample 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
"structopt 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
"walkdir 2.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
"wgpu 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
"wgpu-native 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
]

2
exporter/Cargo.toml
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@ -15,6 +15,8 @@ structopt = "0.3.14"
futures = "0.3.4"
wgpu = "0.5"
wgpu-native = "0.5"
path-slash = "0.1.1"
walkdir = "2.3.1"
[features]
avm_debug = ["ruffle_core/avm_debug"]

212
exporter/src/main.rs
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@ -1,4 +1,5 @@
use futures::executor::block_on;
use image::RgbaImage;
use ruffle_core::backend::audio::NullAudioBackend;
use ruffle_core::backend::input::NullInputBackend;
use ruffle_core::backend::navigator::NullNavigatorBackend;
@ -6,41 +7,38 @@ use ruffle_core::tag_utils::SwfMovie;
use ruffle_core::Player;
use ruffle_render_wgpu::target::TextureTarget;
use ruffle_render_wgpu::WgpuRenderBackend;
use std::error::Error;
use std::fs::create_dir_all;
use std::path::{Path, PathBuf};
use structopt::StructOpt;
use walkdir::{DirEntry, WalkDir};
#[derive(StructOpt, Debug)]
struct Opt {
/// The swf file to export frames from
/// The file or directory of files to export frames from
#[structopt(name = "swf", parse(from_os_str))]
swf: PathBuf,
/// The file or directory (if multiple frames) to store the capture in
/// The file or directory (if multiple frames/files) to store the capture in.
/// The default value will either be:
/// - If given one swf and one frame, the name of the swf + ".png"
/// - If given one swf and multiple frames, the name of the swf as a directory
/// - If given multiple swfs, this field is required.
#[structopt(name = "output", parse(from_os_str))]
output_path: Option<PathBuf>,
/// Number of frames to capture
/// Number of frames to capture per file
#[structopt(short = "f", long = "frames", default_value = "1")]
frames: u32,
}
fn take_screenshot<P: AsRef<Path>>(
swf_path: P,
output: P,
fn take_screenshot(
adapter: &wgpu::Adapter,
swf_path: &Path,
frames: u32,
) -> Result<(), Box<dyn std::error::Error>> {
) -> Result<Vec<RgbaImage>, Box<dyn std::error::Error>> {
let movie = SwfMovie::from_path(swf_path)?;
let adapter = block_on(wgpu::Adapter::request(
&wgpu::RequestAdapterOptions {
power_preference: wgpu::PowerPreference::Default,
compatible_surface: None,
},
wgpu::BackendBit::PRIMARY,
))
.unwrap();
let (device, queue) = block_on(adapter.request_device(&wgpu::DeviceDescriptor {
extensions: wgpu::Extensions {
anisotropic_filtering: false,
@ -56,6 +54,7 @@ fn take_screenshot<P: AsRef<Path>>(
movie,
)?;
let mut result = Vec::new();
for i in 0..frames {
player.lock().unwrap().run_frame();
player.lock().unwrap().render();
@ -67,54 +66,155 @@ fn take_screenshot<P: AsRef<Path>>(
.unwrap();
let target = renderer.target();
if let Some(image) = target.capture(renderer.device()) {
if frames > 1 {
let mut path = PathBuf::from(output.as_ref());
path.push(format!("frame_{}.png", i));
image.save(&path)?;
} else {
image.save(&output)?;
}
result.push(image);
} else {
return Err(format!("Unable to capture frame {} of {:?}", i, swf_path).into());
}
}
Ok(result)
}
fn find_files(root: &Path) -> Vec<DirEntry> {
let mut results = Vec::new();
for entry in WalkDir::new(root)
.follow_links(true)
.into_iter()
.filter_map(|e| e.ok())
{
let f_name = entry.file_name().to_string_lossy();
if f_name.ends_with(".swf") {
results.push(entry);
}
}
results
}
fn capture_single_swf(
adapter: wgpu::Adapter,
swf: &Path,
frames: u32,
output: Option<PathBuf>,
) -> Result<(), Box<dyn Error>> {
let output = output.unwrap_or_else(|| {
let mut result = PathBuf::new();
if frames == 1 {
result.set_file_name(swf.file_stem().unwrap());
result.set_extension("png");
} else {
result.set_file_name(swf.file_stem().unwrap());
}
result
});
if frames > 1 {
let _ = create_dir_all(&output);
}
let frames = take_screenshot(&adapter, &swf, frames)?;
if frames.len() == 1 {
frames.get(0).unwrap().save(&output)?;
println!(
"Saved first frame of {} to {}",
swf.to_string_lossy(),
output.to_string_lossy()
);
} else {
for (frame, image) in frames.iter().enumerate() {
let mut path = PathBuf::from(&output);
path.push(format!("{}.png", frame));
image.save(&path)?;
}
println!(
"Saved first {} frames of {} to {}",
frames.len(),
swf.to_string_lossy(),
output.to_string_lossy()
);
}
Ok(())
}
fn main() {
let opt: Opt = Opt::from_args();
let output = opt.output_path.clone().unwrap_or_else(|| {
let mut result = PathBuf::new();
if opt.frames == 1 {
result.set_file_name(opt.swf.file_stem().unwrap());
result.set_extension("png");
fn capture_multiple_swfs(
adapter: wgpu::Adapter,
directory: &Path,
frames: u32,
output: &Path,
) -> Result<(), Box<dyn Error>> {
let files = find_files(directory);
for file in &files {
let frames = take_screenshot(&adapter, &file.path(), frames)?;
let mut relative_path = file
.path()
.strip_prefix(directory)
.unwrap_or_else(|_| &file.path())
.to_path_buf();
if frames.len() == 1 {
let mut destination = PathBuf::from(output);
relative_path.set_extension("png");
destination.push(relative_path);
if let Some(parent) = destination.parent() {
let _ = create_dir_all(parent);
}
frames.get(0).unwrap().save(&destination)?;
} else {
result.set_file_name(opt.swf.file_stem().unwrap());
}
result
});
if opt.frames > 1 {
let _ = create_dir_all(&output);
}
match take_screenshot(opt.swf.clone(), output.clone(), opt.frames) {
Ok(_) => {
if opt.frames == 1 {
println!(
"Saved first frame of {} to {}",
opt.swf.to_string_lossy(),
output.to_string_lossy()
);
} else {
println!(
"Saved first {} frames of {} to {}",
opt.frames,
opt.swf.to_string_lossy(),
output.to_string_lossy()
);
let mut parent = PathBuf::from(output);
relative_path.set_extension("");
parent.push(&relative_path);
let _ = create_dir_all(&parent);
for (frame, image) in frames.iter().enumerate() {
let mut destination = parent.clone();
destination.push(format!("{}.png", frame));
image.save(&destination)?;
}
}
Err(e) => {
println!("Couldn't capture swf: {}", e);
std::process::exit(1);
}
}
if frames == 1 {
println!(
"Saved first frame of {} files to {}",
files.len(),
output.to_string_lossy()
);
} else {
println!(
"Saved first {} frames of {} files to {}",
frames,
files.len(),
output.to_string_lossy()
);
}
Ok(())
}
fn main() -> Result<(), Box<dyn Error>> {
let opt: Opt = Opt::from_args();
let adapter = block_on(wgpu::Adapter::request(
&wgpu::RequestAdapterOptions {
power_preference: wgpu::PowerPreference::Default,
compatible_surface: None,
},
wgpu::BackendBit::PRIMARY,
))
.ok_or_else(|| {
"This tool requires hardware acceleration, but no compatible graphics device was found."
})?;
if opt.swf.is_file() {
capture_single_swf(adapter, &opt.swf, opt.frames, opt.output_path)?;
} else if let Some(output) = opt.output_path {
capture_multiple_swfs(adapter, &opt.swf, opt.frames, &output)?;
} else {
return Err("Output directory is required when exporting multiple files.".into());
}
Ok(())
}