解析caption srt的文件的方法

最新推荐文章于 2025-11-23 13:27:25 发布

原创最新推荐文章于 2025-11-23 13:27:25 发布 · 260 阅读

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#java

private List<Caption> parseCaptionFile(String videoId, MultipartFile file) {
		List<Caption> captionList = new ArrayList<Caption>();
		String language = getLanguage(file);
		try (Reader inputStreamReader = new InputStreamReader(file.getInputStream(), "UTF-8");
				BufferedReader reader = new BufferedReader(inputStreamReader);) {
			String line;
			Integer pos = 0;
			Caption caption = null;
			while ((line = reader.readLine()) != null) {
				if (pos == 0) {
					caption = new Caption(videoId, language);
				}
				pos++;
				String lineContent = line.toString().trim();
				if (StringUtils.isEmpty(lineContent)) {
					pos = 0;
					if (!Objects.isNull(caption)) {
						captionList.add(caption);
					}
					continue;
				}
				if (pos == 1) {
					log.info("line content is {}", lineContent);
					caption.setIndex(lineContent);
					continue;
				}
				if (pos == 2) {
					log.info("line content is {}", lineContent);
					convertTime(lineContent, caption);
					continue;
				}
				if (pos >= 3) {
					log.info("line content is {}", lineContent);
					if (pos == 3) {
						caption.setText(lineContent);
					} else {
						caption.setText(caption.getText() + "\n" + lineContent);
					}
				}
			}
		} catch (UnsupportedEncodingException e) {
			log.error("caption info insert fail {}", e.getMessage());
		} catch (IOException e) {
			log.error("caption info insert fail {}", e.getMessage());
		}
		return captionList;
	}