From b53e164ad6a91c346931ae106de56613735241ae Mon Sep 17 00:00:00 2001
From: 康鲁杰 <60095866+KangLujie@users.noreply.github.com>
Date: 星期二, 22 四月 2025 10:58:08 +0800
Subject: [PATCH] 合成片头片尾
---
yudao-module-digitalcourse/yudao-module-digitalcourse-biz/src/main/java/cn/iocoder/yudao/module/digitalcourse/service/coursemedia/CourseMediaServiceImpl.java | 487 ++++++++++++++++++++++++++++++++----------------------
1 files changed, 289 insertions(+), 198 deletions(-)
diff --git a/yudao-module-digitalcourse/yudao-module-digitalcourse-biz/src/main/java/cn/iocoder/yudao/module/digitalcourse/service/coursemedia/CourseMediaServiceImpl.java b/yudao-module-digitalcourse/yudao-module-digitalcourse-biz/src/main/java/cn/iocoder/yudao/module/digitalcourse/service/coursemedia/CourseMediaServiceImpl.java
index 8935f32..f60d051 100644
--- a/yudao-module-digitalcourse/yudao-module-digitalcourse-biz/src/main/java/cn/iocoder/yudao/module/digitalcourse/service/coursemedia/CourseMediaServiceImpl.java
+++ b/yudao-module-digitalcourse/yudao-module-digitalcourse-biz/src/main/java/cn/iocoder/yudao/module/digitalcourse/service/coursemedia/CourseMediaServiceImpl.java
@@ -92,48 +92,48 @@
public PageResult<CourseMediaDO> getCourseMediaPage(CourseMediaPageReqVO pageReqVO) {
PageResult<CourseMediaDO> courseMediaDOPageResult = courseMediaMapper.selectPage(pageReqVO);
for (CourseMediaDO courseMediaDO : courseMediaDOPageResult.getList()) {
- if (courseMediaDO.getStatus() == 1 || courseMediaDO.getStatus() == 0) {
- //瑙嗛鍚堟垚涓� 鏌ヨ鎺掗槦鍜屽悎鎴愯繘搴�
- Long id = courseMediaDO.getCourseId();
- int pos = mediaTaskManager.getQueuePosition(id);
- if (pos == -1) {
- //涓嶅湪闃熷垪涓紝璇存槑宸茬粡鍚堟垚瀹屾垚
- courseMediaDO.setStatus(3);
- courseMediaMapper.updateById(courseMediaDO);
- }
- if (pos == 0) {
- //姝ｅ湪鍚堟垚涓�
- String reqJson = courseMediaDO.getReqJson();
- CourseMediaMegerVO courseMediaMegerVO = JSON.parseObject(reqJson, CourseMediaMegerVO.class);
- int size = courseMediaMegerVO.getScenes().size();
- String s = configApi.getConfigValueByKey(HEYGEM_FACE2FACE) + "/temp/";
- //鏌ヨs涓嬮潰鐨勬枃浠�
- File folder = new File(s);
- int count = 0;
+ if (courseMediaDO.getStatus() == 1 || courseMediaDO.getStatus() == 0) {
+ //瑙嗛鍚堟垚涓� 鏌ヨ鎺掗槦鍜屽悎鎴愯繘搴�
+ Long id = courseMediaDO.getCourseId();
+ int pos = mediaTaskManager.getQueuePosition(id);
+ if (pos == -1) {
+ //涓嶅湪闃熷垪涓紝璇存槑宸茬粡鍚堟垚瀹屾垚
+ courseMediaDO.setStatus(3);
+ courseMediaMapper.updateById(courseMediaDO);
+ }
+ if (pos == 0) {
+ //姝ｅ湪鍚堟垚涓�
+ String reqJson = courseMediaDO.getReqJson();
+ CourseMediaMegerVO courseMediaMegerVO = JSON.parseObject(reqJson, CourseMediaMegerVO.class);
+ int size = courseMediaMegerVO.getScenes().size();
+ String s = configApi.getConfigValueByKey(HEYGEM_FACE2FACE) + "/temp/";
+ //鏌ヨs涓嬮潰鐨勬枃浠�
+ File folder = new File(s);
+ int count = 0;
- if (folder.exists() && folder.isDirectory()) {
- File[] files = folder.listFiles();
- if (files != null) {
- for (File file : files) {
- if (file.isFile() && file.getName().endsWith("-r.mp4")) {
- count++;
- System.out.println("鍖归厤鏂囦欢: " + file.getName());
- }
- }
- }
- System.out.println("鎬昏鍖归厤 -r.mp4 鏂囦欢鏁伴噺: " + count);
- } else {
- System.out.println("璺緞涓嶅瓨鍦ㄦ垨涓嶆槸鐩綍");
- }
- if (count+1>size){
- courseMediaDO.setProgressVideo((count) + "/" + size);
- }else{
- courseMediaDO.setProgressVideo((count)+"/"+size);
+ if (folder.exists() && folder.isDirectory()) {
+ File[] files = folder.listFiles();
+ if (files != null) {
+ for (File file : files) {
+ if (file.isFile() && file.getName().endsWith("-r.mp4")) {
+ count++;
+ System.out.println("鍖归厤鏂囦欢: " + file.getName());
+ }
+ }
+ }
+ System.out.println("鎬昏鍖归厤 -r.mp4 鏂囦欢鏁伴噺: " + count);
+ } else {
+ System.out.println("璺緞涓嶅瓨鍦ㄦ垨涓嶆槸鐩綍");
+ }
+ if (count+1>size){
+ courseMediaDO.setProgressVideo((count) + "/" + size);
+ }else{
+ courseMediaDO.setProgressVideo((count)+"/"+size);
- }
- }
- courseMediaDO.setPos(pos);
- }
+ }
+ }
+ courseMediaDO.setPos(pos);
+ }
}
return courseMediaDOPageResult;
@@ -256,215 +256,306 @@
*/
@Override
public CommonResult createCompositeVideo(CourseMediaSubtitlesReqVO courseMediaSubtitlesReqVO) {
- //鐢熸垚鏃堕棿鎴�
+ // 鐢熸垚鏃堕棿鎴�
String timestamp = new SimpleDateFormat("yyyyMMddHHmmssSSS").format(new Date());
- // 鐗囧ご鍦板潃
+
+ // 鐗囧ご銆佺墖灏惧拰瑙嗛鍦板潃
String titles = courseMediaSubtitlesReqVO.getTitles();
titles = configApi.getConfigValueByKey("easegen.url") + titles.substring(titles.lastIndexOf("/"));
-
- // 鐗囧熬鍦板潃
String trailer = courseMediaSubtitlesReqVO.getTrailer();
trailer = configApi.getConfigValueByKey("easegen.url") + trailer.substring(trailer.lastIndexOf("/"));
-
String videoUrl = courseMediaSubtitlesReqVO.getVideoUrl();
String previewUrl = courseMediaSubtitlesReqVO.getPreviewUrl();
List<String> videoUrls = new ArrayList<>();
videoUrls.add(titles);
- String mainVideoPath = "";
+
+ // 妫�鏌ユ槸鍚︽湁涓昏棰戞垨棰勮瑙嗛
if (videoUrl != null) {
- mainVideoPath = configApi.getConfigValueByKey("easegen.url") + videoUrl.substring(videoUrl.lastIndexOf("/"));
- videoUrls.add(mainVideoPath);
- videoUrls.add(mainVideoPath);
+ videoUrl = configApi.getConfigValueByKey("easegen.url") + videoUrl.substring(videoUrl.lastIndexOf("/"));
+ videoUrls.add(videoUrl);
+ videoUrls.add(trailer);
} else if (previewUrl != null) {
- mainVideoPath = configApi.getConfigValueByKey("easegen.url") + previewUrl.substring(previewUrl.lastIndexOf("/"));
- videoUrls.add(mainVideoPath);
- videoUrls.add(mainVideoPath);
+ previewUrl = configApi.getConfigValueByKey("easegen.url") + previewUrl.substring(previewUrl.lastIndexOf("/"));
+ videoUrls.add(previewUrl);
+ videoUrls.add(trailer);
}
- // 鎻愬彇涓昏棰戠殑鍙傛暟
- List<String> mainVideoParams = extractMainVideoParams(mainVideoPath);
- if (mainVideoParams.isEmpty()) {
- System.err.println("Failed to extract parameters from main video.");
- return CommonResult.error(BAD_REQUEST.getCode(), "鍚堟垚澶辫触");
- }
- // 鍒ゆ柇鏂囦欢澶规槸鍚﹀瓨鍦紝濡傛灉涓嶅瓨鍦ㄥ氨鍒涘缓
+
+ // 鍒ゆ柇鏂囦欢澶规槸鍚﹀瓨鍦紝濡傛灉涓嶅瓨鍦ㄥ垯鍒涘缓
String filePath = configApi.getConfigValueByKey(HEYGEM_FACE2FACE) + "/compositeVideo/";
File file = new File(filePath);
if (!file.exists()) {
file.mkdirs();
}
- // 鍒涘缓txt 鏂囦欢
- try {
- createVideosFile(titles, mainVideoPath, trailer);
+
+ // 鐢熸垚瑙嗛鏂囦欢鍒楄〃
+ String fileListPath = configApi.getConfigValueByKey(HEYGEM_FACE2FACE) + "/compositeVideo/" + timestamp + ".txt";
+ try (BufferedWriter writer = new BufferedWriter(new FileWriter(fileListPath))) {
+ for (String path : videoUrls) {
+ writer.write("file '" + path + "'\n");
+ }
+ System.out.println("鏂囦欢鍒楄〃宸茬敓鎴愶細" + fileListPath);
} catch (IOException e) {
- System.err.println("Error creating videos.txt file: " + e.getMessage());
- return CommonResult.error(BAD_REQUEST.getCode(), "鍚堟垚澶辫触");
+ e.printStackTrace();
}
- // 杈撳嚭鏂囦欢璺緞
- String outputFilePath = configApi.getConfigValueByKey(HEYGEM_FACE2FACE) + "/compositeVideo/" + timestamp + ".mp4";
- // 浣跨敤 FFmpeg 鍚堝苟瑙嗛骞跺簲鐢ㄤ富瑙嗛鐨勫弬鏁�
- mergeVideos(outputFilePath, mainVideoParams,titles,mainVideoPath,trailer);
- System.out.println("Video merging completed.");
+ // 鍘绘帀 courseMediaSubtitlesReqVO.getCourseName() 涓殑绌烘牸鍜岀壒娈婂瓧绗�
+ String newFileName = courseMediaSubtitlesReqVO.getCourseName().replaceAll("[\\s\\p{Punct}]", "");
- byte[] bytes = FileUtil.readBytes(FileUtil.file(outputFilePath));
+ // 鑾峰彇涓昏棰戝垎杈ㄧ巼
+ String videoInfo = getVideoResolution(videoUrls.get(1)); // 浣跨敤涓昏棰� URL
+ String[] resolution = videoInfo.split("x");
+ String width = resolution[0];
+ String height = resolution[1];
+ boolean hasAudio = checkAudio(titles);
+ try {
+ ProcessBuilder builder = null;
+ if (hasAudio) {
+ // 瑙嗛鍖呭惈闊抽锛屾墽琛岀浉搴旂殑鍛戒护
+ builder = new ProcessBuilder(
+ "ffmpeg",
+ "-i", titles,
+ "-vf", "scale="+width+":"+height+":force_original_aspect_ratio=decrease,pad="+width+":"+height+":(ow-iw)/2:(oh-ih)/2,setsar=1",
+ "-c:v", "libx264", "-preset", "veryfast",
+ "-c:a", "aac", "-shortest", configApi.getConfigValueByKey(HEYGEM_FACE2FACE) + "/compositeVideo/" + timestamp + "_intro.mp4"
+ );
+ } else {
+ // 瑙嗛涓嶅寘鍚煶棰戯紝鐢熸垚绌洪煶棰戝苟鍚堟垚
+ builder = new ProcessBuilder(
+ "ffmpeg",
+ "-i", titles,
+ "-f", "lavfi", "-t", "10", "-i", "anullsrc=channel_layout=stereo:sample_rate=44100",
+ "-filter_complex", "[0:v]scale="+width+":"+height+":force_original_aspect_ratio=decrease,pad="+width+":"+height+":(ow-iw)/2:(oh-ih)/2,setsar=1[v]",
+ "-map", "[v]", "-map", "1:a",
+ "-c:v", "libx264", "-preset", "veryfast",
+ "-c:a", "aac", "-shortest", configApi.getConfigValueByKey(HEYGEM_FACE2FACE) + "/compositeVideo/" + timestamp + "_intro.mp4"
+ );
+ }
+ builder.redirectErrorStream(true);
+ Process process = null;
+ try {
+ process = builder.start();
+
+ // 浣跨敤 try-with-resources 纭繚娴佸叧闂�
+ try (BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()))) {
+ String line;
+ while ((line = reader.readLine()) != null) {
+ System.out.println(line);
+ }
+ }
+
+ // 绛夊緟 FFmpeg 杩涚▼瀹屾垚
+ int exitCode = process.waitFor();
+ if (exitCode != 0) {
+ throw new RuntimeException("FFmpeg 鎵ц澶辫触锛岄��鍑虹爜锛�" + exitCode);
+ }
+
+ System.out.println("鐗囧ご鍜岀墖灏惧凡璋冩暣鍒嗚鲸鐜囧苟娣诲姞闊宠建");
+
+ } catch (IOException | InterruptedException e) {
+ throw new RuntimeException("FFmpeg 鎵ц寮傚父", e);
+ } finally {
+ // 纭繚 Process 鐨勮緭鍏�/閿欒娴佽鍏抽棴
+ if (process != null) {
+ try {
+ process.getInputStream().close();
+ process.getErrorStream().close();
+ process.getOutputStream().close();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+ }
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+
+ boolean hasAudio1 = checkAudio(trailer);
+ try {
+ ProcessBuilder builder = null;
+ if (hasAudio1) {
+ // 瑙嗛鍖呭惈闊抽锛屾墽琛岀浉搴旂殑鍛戒护
+ builder = new ProcessBuilder(
+ "ffmpeg",
+ "-i", trailer,
+ "-vf", "scale="+width+":"+height+":force_original_aspect_ratio=decrease,pad="+width+":"+height+":(ow-iw)/2:(oh-ih)/2,setsar=1",
+ "-c:v", "libx264", "-preset", "veryfast",
+ "-c:a", "aac", "-shortest", configApi.getConfigValueByKey(HEYGEM_FACE2FACE) + "/compositeVideo/" + timestamp + "_outro.mp4"
+ );
+ } else {
+ // 瑙嗛涓嶅寘鍚煶棰戯紝鐢熸垚绌洪煶棰戝苟鍚堟垚
+ builder = new ProcessBuilder(
+ "ffmpeg",
+ "-i", trailer,
+ "-f", "lavfi", "-t", "10", "-i", "anullsrc=channel_layout=stereo:sample_rate=44100",
+ "-filter_complex", "[0:v]scale="+width+":"+height+":force_original_aspect_ratio=decrease,pad="+width+":"+height+":(ow-iw)/2:(oh-ih)/2,setsar=1[v]",
+ "-map", "[v]", "-map", "1:a",
+ "-c:v", "libx264", "-preset", "veryfast",
+ "-c:a", "aac", "-shortest", configApi.getConfigValueByKey(HEYGEM_FACE2FACE) + "/compositeVideo/" + timestamp + "_outro.mp4"
+ );
+ }
+ builder.redirectErrorStream(true);
+ Process process = null;
+ try {
+ process = builder.start();
+
+ // 浣跨敤 try-with-resources 纭繚娴佸叧闂�
+ try (BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()))) {
+ String line;
+ while ((line = reader.readLine()) != null) {
+ System.out.println(line);
+ }
+ }
+
+ // 绛夊緟 FFmpeg 杩涚▼瀹屾垚
+ int exitCode = process.waitFor();
+ if (exitCode != 0) {
+ throw new RuntimeException("FFmpeg 鎵ц澶辫触锛岄��鍑虹爜锛�" + exitCode);
+ }
+
+ System.out.println("鐗囧ご鍜岀墖灏惧凡璋冩暣鍒嗚鲸鐜囧苟娣诲姞闊宠建");
+
+ } catch (IOException | InterruptedException e) {
+ throw new RuntimeException("FFmpeg 鎵ц寮傚父", e);
+ } finally {
+ // 纭繚 Process 鐨勮緭鍏�/閿欒娴佽鍏抽棴
+ if (process != null) {
+ try {
+ process.getInputStream().close();
+ process.getErrorStream().close();
+ process.getOutputStream().close();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+ }
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ // 鍚堝苟涓変釜瑙嗛锛氱墖澶淬�佷富瑙嗛銆佺墖灏�
+ ProcessBuilder builder10 = new ProcessBuilder(
+ "ffmpeg",
+ "-i", filePath + timestamp + "_intro.mp4",
+ "-i", videoUrls.get(1),
+ "-i", filePath + timestamp + "_outro.mp4",
+ "-filter_complex", "[0:v][0:a][1:v][1:a][2:v][2:a]concat=n=3:v=1:a=1[v][a]",
+ "-map", "[v]",
+ "-map", "[a]",
+ "-c:v", "libx264",
+ "-preset", "veryfast",
+ "-c:a", "aac",
+ "-shortest",
+ configApi.getConfigValueByKey(HEYGEM_FACE2FACE) + "/compositeVideo/" + timestamp + "_final.mp4"
+ );
+
+ Process process10 = null;
+ builder10.redirectErrorStream(true);
+ try {
+ process10 = builder10.start();
+
+ // 浣跨敤 try-with-resources 纭繚娴佸叧闂�
+ try (BufferedReader reader = new BufferedReader(new InputStreamReader(process10.getInputStream()))) {
+ String line;
+ while ((line = reader.readLine()) != null) {
+ System.out.println(line);
+ }
+ }
+
+ // 绛夊緟 FFmpeg 杩涚▼瀹屾垚
+ int exitCode = process10.waitFor();
+ if (exitCode != 0) {
+ throw new RuntimeException("FFmpeg 鍚堟垚瑙嗛澶辫触锛岄��鍑虹爜锛�" + exitCode);
+ }
+
+ System.out.println("瑙嗛宸叉垚鍔熷悎鎴�");
+
+ } catch (IOException | InterruptedException e) {
+ throw new RuntimeException("FFmpeg 鍚堟垚瑙嗛寮傚父", e);
+ }
+
+ byte[] bytes = FileUtil.readBytes(FileUtil.file(configApi.getConfigValueByKey(HEYGEM_FACE2FACE) + "/compositeVideo/" + timestamp + "_final.mp4"));
String compositeVideo = fileApi.createFile(bytes);
-
- // 鏇存柊鏁版嵁搴撹褰�
CourseMediaDO courseMediaDO = new CourseMediaDO();
courseMediaDO.setId(courseMediaSubtitlesReqVO.getId());
courseMediaDO.setCompositeVideo(compositeVideo);
int i = courseMediaMapper.updateById(courseMediaDO);
+ //鍒犻櫎鏂囦欢
+ FileUtil.del(configApi.getConfigValueByKey(HEYGEM_FACE2FACE) + "/compositeVideo/" + timestamp + "_intro.mp4");
+ FileUtil.del(configApi.getConfigValueByKey(HEYGEM_FACE2FACE) + "/compositeVideo/" + timestamp + "_outro.mp4");
+ FileUtil.del(configApi.getConfigValueByKey(HEYGEM_FACE2FACE) + "/compositeVideo/" + timestamp + "_final.mp4");
+ FileUtil.del(configApi.getConfigValueByKey(HEYGEM_FACE2FACE) + "/compositeVideo/" + timestamp + ".txt");
- // 鍒犻櫎涓存椂鏂囦欢
- FileUtil.del(outputFilePath);
- System.out.println("涓存椂鏂囦欢宸插垹闄�");
-
- if (i > 0) {
+ if (i>0){
return CommonResult.success("鍚堟垚鎴愬姛");
}
- return CommonResult.error(BAD_REQUEST.getCode(), "鍚堟垚澶辫触");
+ return CommonResult.error(BAD_REQUEST.getCode(),"鍚堟垚澶辫触");
}
-
- private static void createVideosFile(String introVideoPath, String mainVideoPath, String outroVideoPath) throws IOException {
- File videosFile = new File("videos.txt");
- StringBuilder content = new StringBuilder();
- content.append("file '").append(introVideoPath).append("'\n");
- content.append("file '").append(mainVideoPath).append("'\n");
- content.append("file '").append(outroVideoPath).append("'\n");
-
- java.nio.file.Files.write(videosFile.toPath(), content.toString().getBytes());
- }
-
- private static List<String> extractMainVideoParams(String mainVideoPath) {
- List<String> params = new ArrayList<>();
- ProcessBuilder processBuilder = new ProcessBuilder(
- "ffmpeg",
- "-i", mainVideoPath
+ public String getVideoResolution(String videoFilePath) {
+ ProcessBuilder builder = new ProcessBuilder(
+ "ffprobe",
+ "-v", "error", // 浠呮樉绀洪敊璇�
+ "-select_streams", "v:0", // 閫夋嫨瑙嗛娴�
+ "-show_entries", "stream=width,height", // 浠呮樉绀哄搴﹀拰楂樺害
+ "-of", "default=noprint_wrappers=1:nokey=1", // 鏍煎紡鍖栬緭鍑�
+ videoFilePath // 瑙嗛鏂囦欢璺緞
);
+ Process process = null;
+ String resolution = "";
try {
- Process process = processBuilder.start();
+ process = builder.start();
- BufferedReader errorReader = new BufferedReader(new InputStreamReader(process.getErrorStream()));
- String line;
- while ((line = errorReader.readLine()) != null) {
- if (line.contains("Video:")) {
- String videoInfo = line.split(":")[1].trim();
- String codec = videoInfo.split(", ")[0];
- params.add("-c:v");
- params.add(codec);
- } else if (line.contains("Audio:")) {
- String audioInfo = line.split(":")[1].trim();
- String codec = audioInfo.split(", ")[0];
- String bitrate = audioInfo.split(", ")[1].split("\\s+")[0];
- params.add("-c:a");
- params.add(codec);
- params.add("-b:a");
- params.add(bitrate);
+ // 璇诲彇 ffprobe 杈撳嚭娴�
+ try (BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()))) {
+ String line;
+ while ((line = reader.readLine()) != null) {
+ resolution += line + " "; // 鎷兼帴瀹藉害鍜岄珮搴�
}
}
+ // 绛夊緟 ffprobe 杩涚▼瀹屾垚
int exitCode = process.waitFor();
- if (exitCode == 0) {
- System.out.println("Parameters extracted successfully.");
- } else {
- System.err.println("Parameter extraction failed with exit code: " + exitCode);
+ if (exitCode != 0) {
+ throw new RuntimeException("ffprobe 鎵ц澶辫触锛岄��鍑虹爜锛�" + exitCode);
}
+
} catch (IOException | InterruptedException e) {
- System.err.println("Error during parameter extraction: " + e.getMessage());
+ throw new RuntimeException("ffprobe 鎵ц寮傚父", e);
+ } finally {
+ if (process != null) {
+ try {
+ process.getInputStream().close();
+ process.getErrorStream().close();
+ process.getOutputStream().close();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
}
- return params;
+ // 杩斿洖鍒嗚鲸鐜囷紝鏍煎紡濡� "1920x1080"
+ return resolution.trim().replaceAll("\\s+", "x");
}
-
- private static void mergeVideos(String outputPath, List<String> mainVideoParams, String introVideoPath, String mainVideoPath, String outroVideoPath) {
- List<String> command = new ArrayList<>();
- command.add("ffmpeg");
- command.add("-f");
- command.add("concat");
- command.add("-safe");
- command.add("0");
- command.add("-i");
- command.add("videos.txt");
-
- // 娣诲姞鏄犲皠閫夐」浠ョ‘淇濋煶棰戞祦鐨勪竴鑷存��
- command.add("-map");
- command.add("[v]");
- command.add("-map");
- command.add("[a]");
-
- // 娣诲姞杩囨护鍣ㄩ�夐」浠ュ鐞嗘棤澹伴煶鎯呭喌
- double introDuration = getDurationInSeconds(introVideoPath);
- double mainDuration = getDurationInSeconds(mainVideoPath);
- double outroDuration = getDurationInSeconds(outroVideoPath);
-
- StringBuilder filterComplex = new StringBuilder();
- filterComplex.append("[0:v][0:a?]overlay=enable='between(t,0,");
- filterComplex.append(introDuration);
- filterComplex.append(")'[v0];");
- filterComplex.append("[1:v][1:a?]overlay=enable='between(t,");
- filterComplex.append(introDuration);
- filterComplex.append(",");
- filterComplex.append(introDuration + mainDuration);
- filterComplex.append(")'[v1];");
- filterComplex.append("[2:v][2:a?]overlay=enable='gt(t,");
- filterComplex.append(introDuration + mainDuration);
- filterComplex.append(")'[v2];");
- filterComplex.append("[v0][v1][v2]concat=n=3:v=1:a=0[v];");
- filterComplex.append("[0:a]aresample=async=1:first_pts=0[a0];");
- filterComplex.append("[1:a]aresample=async=1:first_pts=0[a1];");
- filterComplex.append("[2:a]aresample=async=1:first_pts=0[a2];");
- filterComplex.append("[a0][a1][a2]amerge=inputs=3[a]");
-
- command.add("-filter_complex");
- command.add(filterComplex.toString());
-
- // 娣诲姞涓昏棰戠殑鍙傛暟
- command.addAll(mainVideoParams);
- command.add(outputPath);
-
- ProcessBuilder processBuilder = new ProcessBuilder(command);
-
+ private static boolean checkAudio(String inputFile) {
try {
- Process process = processBuilder.start();
-
+ ProcessBuilder builder = new ProcessBuilder(
+ "ffprobe", "-i", inputFile,
+ "-show_streams", "-select_streams", "a",
+ "-loglevel", "error"
+ );
+ Process process = builder.start();
BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
String line;
while ((line = reader.readLine()) != null) {
- System.out.println(line);
+ if (line.contains("codec_type=audio")) {
+ return true; // 闊抽娴佸瓨鍦�
+ }
}
-
int exitCode = process.waitFor();
- if (exitCode == 0) {
- System.out.println("Video merged successfully.");
- } else {
- System.err.println("Video merging failed with exit code: " + exitCode);
- }
+ return exitCode == 0;
} catch (IOException | InterruptedException e) {
- System.err.println("Error during video merging: " + e.getMessage());
- }
- }
-
- private static double getDurationInSeconds(String videoPath) {
- ProcessBuilder processBuilder = new ProcessBuilder(
- "ffprobe",
- "-v", "error",
- "-show_entries", "format=duration",
- "-of", "default=noprint_wrappers=1:nokey=1",
- videoPath
- );
-
- try {
- Process process = processBuilder.start();
- BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
- String durationStr = reader.readLine();
- double duration = Double.parseDouble(durationStr);
- process.waitFor();
- return duration;
- } catch (IOException | InterruptedException | NumberFormatException e) {
- System.err.println("Error getting duration of video: " + e.getMessage());
- return 0.0;
+ e.printStackTrace();
+ return false;
}
}
}
--
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