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/src/main/java/schultz/dustin/io/JustGifItApplication.java:
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1 | package schultz.dustin.io;
2 |
3 | import org.springframework.beans.factory.annotation.Value;
4 | import org.springframework.boot.SpringApplication;
5 | import org.springframework.boot.autoconfigure.SpringBootApplication;
6 | import org.springframework.context.annotation.Bean;
7 | import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
8 | import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
9 | import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
10 |
11 | import javax.annotation.PostConstruct;
12 | import java.io.File;
13 |
14 | @SpringBootApplication
15 | public class JustGifItApplication {
16 |
17 | @Value("${multipart.location}/gif/")
18 | private String gifLocation;
19 |
20 | public static void main(String[] args) {
21 | SpringApplication.run(JustGifItApplication.class, args);
22 | }
23 |
24 | @PostConstruct
25 | private void init() {
26 | File gifFolder = new File(gifLocation);
27 | if (!gifFolder.exists()) {
28 | gifFolder.mkdir();
29 | }
30 | }
31 |
32 | @Bean
33 | public WebMvcConfigurer webMvcConfigurer() {
34 | return new WebMvcConfigurerAdapter() {
35 | @Override
36 | public void addResourceHandlers(ResourceHandlerRegistry registry) {
37 | registry.addResourceHandler("/gif/**")
38 | .addResourceLocations("file:" + gifLocation);
39 | super.addResourceHandlers(registry);
40 | }
41 | };
42 | }
43 | }
44 |
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/src/main/java/schultz/dustin/io/controller/UploadController.java:
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1 | package schultz.dustin.io.controller;
2 |
3 | import com.madgag.gif.fmsware.AnimatedGifEncoder;
4 | import org.bytedeco.javacv.FFmpegFrameGrabber;
5 | import org.bytedeco.javacv.FrameGrabber;
6 | import org.slf4j.Logger;
7 | import org.slf4j.LoggerFactory;
8 | import org.springframework.beans.factory.annotation.Value;
9 | import org.springframework.http.MediaType;
10 | import org.springframework.web.bind.annotation.*;
11 | import org.springframework.web.multipart.MultipartFile;
12 | import schultz.dustin.io.services.ConverterService;
13 | import schultz.dustin.io.services.GifEncoderService;
14 | import schultz.dustin.io.services.VideoDecoderService;
15 |
16 | import javax.inject.Inject;
17 | import java.io.File;
18 | import java.io.IOException;
19 | import java.lang.invoke.MethodHandles;
20 | import java.nio.file.Path;
21 | import java.nio.file.Paths;
22 |
23 | @RestController
24 | public class UploadController {
25 |
26 | private final static Logger log = LoggerFactory.getLogger(MethodHandles.lookup()
27 | .lookupClass());
28 |
29 | @Value("${multipart.location}")
30 | private String location;
31 |
32 | @Inject
33 | private ConverterService converterService;
34 |
35 | @Inject
36 | private GifEncoderService gifEncoderService;
37 |
38 | @Inject
39 | private VideoDecoderService videoDecoderService;
40 |
41 | @RequestMapping(value = "/upload", method = RequestMethod.POST, produces =
42 | MediaType.IMAGE_GIF_VALUE)
43 | public String upload(@RequestPart("file") MultipartFile file,
44 | @RequestParam("start") int start,
45 | @RequestParam("end") int end,
46 | @RequestParam("speed") int speed,
47 | @RequestParam("repeat") boolean repeat) throws IOException, FrameGrabber.Exception {
48 | File videoFile = new File(location + "/" + System
49 | .currentTimeMillis() + ".mp4");
50 | file.transferTo(videoFile);
51 |
52 | log.info("Saved video file to {}", videoFile.getAbsolutePath());
53 |
54 | Path output = Paths.get(location + "/gif/" + System.currentTimeMillis() + ".gif");
55 |
56 | FFmpegFrameGrabber frameGrabber = videoDecoderService.read(videoFile);
57 | AnimatedGifEncoder gifEncoder = gifEncoderService.getGifEncoder(repeat,
58 | (float) frameGrabber.getFrameRate(), output);
59 | converterService.toAnimatedGif(frameGrabber, gifEncoder, start, end, speed);
60 |
61 | log.info("Saved generated gif to {}", output.toString());
62 |
63 | return output.getFileName().toString();
64 | }
65 | }
66 |
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/pom.xml:
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1 |
2 |