From d9cb721f647882f0c01b2c7bb7d75425c9c5fa54 Mon Sep 17 00:00:00 2001 From: jianzhichu Date: Sat, 17 Jan 2026 00:51:33 +0800 Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96=E5=8A=A8=E6=80=81=E5=9B=BE?= =?UTF-8?q?=E8=A7=86=E9=A2=91=E5=90=88=E6=88=90=20-=E5=A4=84=E7=90=86?= =?UTF-8?q?=E5=A4=9A=E5=B0=BA=E5=AF=B8=E8=A7=86=E9=A2=91=E5=90=88=E5=B9=B6?= =?UTF-8?q?=E6=97=B6=E5=8F=98=E5=BD=A2=E7=9A=84=E9=97=AE=E9=A2=98?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- Properties/PublishProfiles/docker.pubxml.user | 2 +- dto/DouyinDynamicVideoDto.cs | 11 + dy.net.csproj.user | 2 +- job/DouyinBasicSyncJob.cs | 70 +++-- service/DouyinMergeVideoService.cs | 15 +- utils/FFmpegHelper.cs | 294 +++++++++++++----- 6 files changed, 277 insertions(+), 117 deletions(-) create mode 100644 dto/DouyinDynamicVideoDto.cs diff --git a/Properties/PublishProfiles/docker.pubxml.user b/Properties/PublishProfiles/docker.pubxml.user index c931ce2..a31a472 100644 --- a/Properties/PublishProfiles/docker.pubxml.user +++ b/Properties/PublishProfiles/docker.pubxml.user @@ -3,7 +3,7 @@ <_PublishTargetUrl>E:\code\dysync\bin\Release\net6.0\publish\ - True|2026-01-16T13:00:57.7239379Z||;True|2026-01-16T21:00:03.3912989+08:00||;True|2026-01-16T20:56:08.5505592+08:00||;True|2026-01-16T20:46:32.3067302+08:00||;True|2026-01-15T22:18:57.9835738+08:00||;True|2026-01-15T22:07:25.4753938+08:00||;True|2026-01-15T22:07:14.8243754+08:00||;True|2026-01-15T21:40:13.2613927+08:00||;True|2026-01-15T20:57:56.6291682+08:00||;True|2026-01-15T20:57:47.1363536+08:00||;True|2026-01-15T20:08:44.4710883+08:00||;True|2026-01-15T20:04:51.8284314+08:00||;False|2026-01-15T20:04:45.3258155+08:00||;True|2026-01-15T19:59:11.7907672+08:00||;True|2026-01-15T01:10:48.9066941+08:00||;True|2026-01-15T01:03:23.6216975+08:00||;True|2026-01-15T01:03:16.3364591+08:00||;False|2026-01-15T01:03:10.5654436+08:00||;True|2026-01-15T00:49:21.6559622+08:00||;True|2026-01-15T00:10:42.7288439+08:00||;True|2026-01-15T00:06:28.4241682+08:00||;True|2026-01-13T22:34:15.2372411+08:00||;True|2026-01-13T22:26:46.4522947+08:00||;True|2026-01-13T22:15:56.9735179+08:00||;True|2026-01-13T22:15:51.8250677+08:00||;False|2026-01-13T22:15:46.6608690+08:00||;True|2026-01-13T22:03:06.4683237+08:00||;False|2026-01-13T22:03:01.2036027+08:00||;True|2026-01-13T21:36:05.8776209+08:00||;True|2026-01-13T21:33:02.0766289+08:00||;False|2026-01-13T21:32:57.1976141+08:00||;True|2026-01-13T19:14:35.2519439+08:00||;True|2026-01-13T15:07:50.0836745+08:00||;False|2026-01-13T15:06:35.5929685+08:00||;True|2026-01-13T10:21:41.6012776+08:00||;True|2026-01-13T09:57:25.4788847+08:00||;True|2026-01-13T09:53:14.4900360+08:00||;True|2026-01-13T09:23:53.6465295+08:00||;True|2026-01-12T22:04:14.5886955+08:00||;False|2026-01-12T22:04:08.2008101+08:00||;True|2026-01-12T21:53:46.9947176+08:00||;True|2026-01-12T21:11:15.8358024+08:00||;True|2026-01-12T21:09:51.8663228+08:00||;True|2026-01-11T21:25:07.5052845+08:00||;False|2026-01-11T21:24:27.5744557+08:00||;True|2026-01-11T19:59:15.4734611+08:00||;False|2026-01-11T19:59:04.9543339+08:00||;True|2026-01-11T18:51:30.6649269+08:00||;True|2026-01-08T21:07:57.5094466+08:00||;True|2026-01-08T14:51:18.2266231+08:00||;True|2026-01-08T14:31:55.1137120+08:00||;True|2026-01-08T00:16:24.4451490+08:00||;True|2026-01-08T00:14:20.7430793+08:00||;True|2026-01-08T00:07:46.7228194+08:00||;True|2026-01-07T23:52:13.3290082+08:00||;True|2026-01-07T23:49:28.4838650+08:00||;True|2026-01-07T23:47:45.1936189+08:00||;True|2026-01-07T23:35:09.7818611+08:00||;True|2026-01-07T23:20:43.7462863+08:00||;True|2026-01-07T23:04:39.5140429+08:00||;False|2026-01-07T23:04:36.5367611+08:00||;True|2026-01-07T22:53:14.6013449+08:00||;True|2026-01-07T22:49:59.9549006+08:00||;True|2026-01-07T22:36:40.0254856+08:00||;False|2026-01-07T22:36:28.8275903+08:00||;True|2026-01-07T21:59:51.4355171+08:00||;True|2026-01-03T21:38:51.4307034+08:00||;True|2026-01-02T19:09:16.9668906+08:00||;False|2026-01-02T19:09:11.7496369+08:00||;True|2026-01-02T15:42:08.2215697+08:00||;True|2026-01-02T09:46:56.1654861+08:00||;True|2026-01-02T09:35:28.0211225+08:00||;True|2026-01-01T23:07:01.9022045+08:00||;False|2026-01-01T23:06:56.0537216+08:00||;True|2026-01-01T22:16:10.2974067+08:00||;True|2026-01-01T22:16:06.2123787+08:00||;False|2026-01-01T22:15:33.3626979+08:00||;True|2026-01-01T22:01:30.7161900+08:00||;True|2026-01-01T21:10:19.3664263+08:00||;True|2026-01-01T21:09:38.6071080+08:00||;True|2025-12-30T11:45:54.5543034+08:00||;True|2025-12-30T09:19:08.3178124+08:00||;True|2025-12-29T18:57:29.7032246+08:00||;True|2025-12-27T14:52:24.4780776+08:00||;False|2025-12-27T14:52:19.5635794+08:00||;True|2025-12-27T14:48:01.6252748+08:00||;False|2025-12-27T14:47:55.7976192+08:00||;True|2025-12-27T14:38:23.9723838+08:00||;True|2025-12-27T13:00:29.8583858+08:00||;True|2025-12-26T22:18:42.4015637+08:00||;True|2025-12-26T22:10:58.5274572+08:00||;True|2025-12-26T22:06:26.3129600+08:00||;True|2025-12-26T22:03:55.6718618+08:00||;False|2025-12-26T22:03:48.3809954+08:00||;True|2025-12-26T22:02:33.1840390+08:00||;True|2025-12-26T22:01:16.1660100+08:00||;True|2025-12-25T00:50:26.1116465+08:00||;True|2025-12-25T00:48:27.3087708+08:00||;True|2025-12-25T00:47:38.4835720+08:00||; + True|2026-01-16T16:45:04.0498090Z||;True|2026-01-16T21:00:57.7239379+08:00||;True|2026-01-16T21:00:03.3912989+08:00||;True|2026-01-16T20:56:08.5505592+08:00||;True|2026-01-16T20:46:32.3067302+08:00||;True|2026-01-15T22:18:57.9835738+08:00||;True|2026-01-15T22:07:25.4753938+08:00||;True|2026-01-15T22:07:14.8243754+08:00||;True|2026-01-15T21:40:13.2613927+08:00||;True|2026-01-15T20:57:56.6291682+08:00||;True|2026-01-15T20:57:47.1363536+08:00||;True|2026-01-15T20:08:44.4710883+08:00||;True|2026-01-15T20:04:51.8284314+08:00||;False|2026-01-15T20:04:45.3258155+08:00||;True|2026-01-15T19:59:11.7907672+08:00||;True|2026-01-15T01:10:48.9066941+08:00||;True|2026-01-15T01:03:23.6216975+08:00||;True|2026-01-15T01:03:16.3364591+08:00||;False|2026-01-15T01:03:10.5654436+08:00||;True|2026-01-15T00:49:21.6559622+08:00||;True|2026-01-15T00:10:42.7288439+08:00||;True|2026-01-15T00:06:28.4241682+08:00||;True|2026-01-13T22:34:15.2372411+08:00||;True|2026-01-13T22:26:46.4522947+08:00||;True|2026-01-13T22:15:56.9735179+08:00||;True|2026-01-13T22:15:51.8250677+08:00||;False|2026-01-13T22:15:46.6608690+08:00||;True|2026-01-13T22:03:06.4683237+08:00||;False|2026-01-13T22:03:01.2036027+08:00||;True|2026-01-13T21:36:05.8776209+08:00||;True|2026-01-13T21:33:02.0766289+08:00||;False|2026-01-13T21:32:57.1976141+08:00||;True|2026-01-13T19:14:35.2519439+08:00||;True|2026-01-13T15:07:50.0836745+08:00||;False|2026-01-13T15:06:35.5929685+08:00||;True|2026-01-13T10:21:41.6012776+08:00||;True|2026-01-13T09:57:25.4788847+08:00||;True|2026-01-13T09:53:14.4900360+08:00||;True|2026-01-13T09:23:53.6465295+08:00||;True|2026-01-12T22:04:14.5886955+08:00||;False|2026-01-12T22:04:08.2008101+08:00||;True|2026-01-12T21:53:46.9947176+08:00||;True|2026-01-12T21:11:15.8358024+08:00||;True|2026-01-12T21:09:51.8663228+08:00||;True|2026-01-11T21:25:07.5052845+08:00||;False|2026-01-11T21:24:27.5744557+08:00||;True|2026-01-11T19:59:15.4734611+08:00||;False|2026-01-11T19:59:04.9543339+08:00||;True|2026-01-11T18:51:30.6649269+08:00||;True|2026-01-08T21:07:57.5094466+08:00||;True|2026-01-08T14:51:18.2266231+08:00||;True|2026-01-08T14:31:55.1137120+08:00||;True|2026-01-08T00:16:24.4451490+08:00||;True|2026-01-08T00:14:20.7430793+08:00||;True|2026-01-08T00:07:46.7228194+08:00||;True|2026-01-07T23:52:13.3290082+08:00||;True|2026-01-07T23:49:28.4838650+08:00||;True|2026-01-07T23:47:45.1936189+08:00||;True|2026-01-07T23:35:09.7818611+08:00||;True|2026-01-07T23:20:43.7462863+08:00||;True|2026-01-07T23:04:39.5140429+08:00||;False|2026-01-07T23:04:36.5367611+08:00||;True|2026-01-07T22:53:14.6013449+08:00||;True|2026-01-07T22:49:59.9549006+08:00||;True|2026-01-07T22:36:40.0254856+08:00||;False|2026-01-07T22:36:28.8275903+08:00||;True|2026-01-07T21:59:51.4355171+08:00||;True|2026-01-03T21:38:51.4307034+08:00||;True|2026-01-02T19:09:16.9668906+08:00||;False|2026-01-02T19:09:11.7496369+08:00||;True|2026-01-02T15:42:08.2215697+08:00||;True|2026-01-02T09:46:56.1654861+08:00||;True|2026-01-02T09:35:28.0211225+08:00||;True|2026-01-01T23:07:01.9022045+08:00||;False|2026-01-01T23:06:56.0537216+08:00||;True|2026-01-01T22:16:10.2974067+08:00||;True|2026-01-01T22:16:06.2123787+08:00||;False|2026-01-01T22:15:33.3626979+08:00||;True|2026-01-01T22:01:30.7161900+08:00||;True|2026-01-01T21:10:19.3664263+08:00||;True|2026-01-01T21:09:38.6071080+08:00||;True|2025-12-30T11:45:54.5543034+08:00||;True|2025-12-30T09:19:08.3178124+08:00||;True|2025-12-29T18:57:29.7032246+08:00||;True|2025-12-27T14:52:24.4780776+08:00||;False|2025-12-27T14:52:19.5635794+08:00||;True|2025-12-27T14:48:01.6252748+08:00||;False|2025-12-27T14:47:55.7976192+08:00||;True|2025-12-27T14:38:23.9723838+08:00||;True|2025-12-27T13:00:29.8583858+08:00||;True|2025-12-26T22:18:42.4015637+08:00||;True|2025-12-26T22:10:58.5274572+08:00||;True|2025-12-26T22:06:26.3129600+08:00||;True|2025-12-26T22:03:55.6718618+08:00||;False|2025-12-26T22:03:48.3809954+08:00||;True|2025-12-26T22:02:33.1840390+08:00||;True|2025-12-26T22:01:16.1660100+08:00||;True|2025-12-25T00:50:26.1116465+08:00||;True|2025-12-25T00:48:27.3087708+08:00||;True|2025-12-25T00:47:38.4835720+08:00||; \ No newline at end of file diff --git a/dto/DouyinDynamicVideoDto.cs b/dto/DouyinDynamicVideoDto.cs new file mode 100644 index 0000000..5feeb8e --- /dev/null +++ b/dto/DouyinDynamicVideoDto.cs @@ -0,0 +1,11 @@ +namespace dy.net.dto +{ + public class DouyinDynamicVideoDto + { + public string Path { get; set; } + + public int Height { get; set; } + + public int Width { get; set; } + } +} diff --git a/dy.net.csproj.user b/dy.net.csproj.user index c0a06db..b37b1e2 100644 --- a/dy.net.csproj.user +++ b/dy.net.csproj.user @@ -2,7 +2,7 @@ tiny.ddns - E:\code\dysync\Properties\PublishProfiles\fn.pubxml + E:\code\dysync\Properties\PublishProfiles\docker.pubxml ApiControllerEmptyScaffolder root/Common/Api diff --git a/job/DouyinBasicSyncJob.cs b/job/DouyinBasicSyncJob.cs index 3312e50..bdd16aa 100644 --- a/job/DouyinBasicSyncJob.cs +++ b/job/DouyinBasicSyncJob.cs @@ -448,10 +448,10 @@ namespace dy.net.job var videos = new List(); foreach (var item in data.AwemeList) { - //if (item.AwemeId != "7440444948844956985") - //{ - // continue; - //} + if (item.AwemeId != "7440444948844956985") + { + continue; + } //if (!item.Desc.Contains("小房车正式启程")) //{ // continue; @@ -495,7 +495,7 @@ namespace dy.net.job { //处理多个视频-组合的图文视频--类似动图。 - List dynamicVideoUrls = new List(); + List dynamicVideoUrls = new List(); // 当需要下载动态视频时，获取其他URL if (config.DownDynamicVideo && item.Images != null && item.Images.Count > 0) { @@ -507,7 +507,17 @@ namespace dy.net.job { var targetUrl = btv.PlayAddr?.UrlList?.FirstOrDefault(x => x.StartsWith("https://www.douyin.com/aweme/v1/play")); if (targetUrl != null) - dynamicVideoUrls.Add(targetUrl); + { + var height = btv.PlayAddr?.Height ?? 1920; + var width = btv.PlayAddr?.Width ?? 1080; + DouyinDynamicVideoDto info = new DouyinDynamicVideoDto + { + Path = targetUrl, + Height = height, + Width = width + }; + dynamicVideoUrls.Add(info); + } } } } @@ -522,37 +532,34 @@ namespace dy.net.job { if (!string.IsNullOrEmpty(dynamicVideo.DynamicVideos)) { - var dynamicVideos = JsonConvert.DeserializeObject>(dynamicVideo.DynamicVideos); + var dynamicVideos = JsonConvert.DeserializeObject>(dynamicVideo.DynamicVideos); Log.Debug($"{VideoType}-动态视频[{item.Desc}]，下载成功 ,共{dynamicVideos?.Count}个视频..."); if (dynamicVideos != null && dynamicVideos.Count > 0) { - int width = 1080; - int height = 1920; - var bit = item?.Video?.BitRate?.FirstOrDefault(); - if (bit != null) - { - width = bit.PlayAddr.Width; - height = bit.PlayAddr.Height; - } + var savePath = DouyinFileNameHelper.RemoveNumberSuffix(dynamicVideo.VideoSavePath); - //下载音频文件 + //音频文件下载地址 var mp3Url= item?.Music?.PlayUrl?.UrlList?.FirstOrDefault(); - var outPath = await douyinMergeVideoService.MergeMultipleVideosAsync(dynamicVideos,mp3Url, savePath,cookie.Cookies, width, height); - if(!string.IsNullOrWhiteSpace(outPath)) + var outPath = await douyinMergeVideoService.MergeMultipleVideosAsync(dynamicVideos,mp3Url, savePath,cookie.Cookies); + if(!string.IsNullOrWhiteSpace(outPath.mp4Path)) { - if (File.Exists(outPath)) + if (File.Exists(outPath.mp4Path)) { - dynamicVideo.VideoSavePath = outPath; + dynamicVideo.VideoSavePath = outPath.mp4Path; if (!config.KeepDynamicVideo) { + if (File.Exists(outPath.mp3Path)) + { + File.Delete(outPath.mp3Path); + } //不保留原视频-删除 foreach (var opath in dynamicVideos) { - if (File.Exists(opath)) - File.Delete(opath); + if (File.Exists(opath.Path)) + File.Delete(opath.Path); } } } @@ -829,7 +836,7 @@ namespace dy.net.job - protected async Task ProcessDynamicVideo(List dynamicUrls, DouyinCookie cookie, Aweme item, DouyinVideoInfo data, AppConfig config, DouyinFollowed followed = null) + protected async Task ProcessDynamicVideo(List dynamicUrls, DouyinCookie cookie, Aweme item, DouyinVideoInfo data, AppConfig config, DouyinFollowed followed = null) { @@ -848,28 +855,29 @@ namespace dy.net.job // 随机延迟 int i = 1; - List dynamicSavePaths = new List(); + List dynamicSavePaths = new List(); foreach (var dynamicUrl in dynamicUrls) { // 下载动态视频 var dynamicSavePath = savePath.Replace(".mp4", $"_00{i}.mp4"); - i++; + DouyinDynamicVideoDto v = new DouyinDynamicVideoDto() { Height = dynamicUrl.Height, Width = dynamicUrl.Width,Path= dynamicSavePath }; + i++; // 如果文件已存在，跳过 if (File.Exists(dynamicSavePath)) { //Log.Debug($"{VideoType}-视频[{DouyinFileNameHelper.SanitizePath(item.Desc)}]已存在，跳过下载."); - dynamicSavePaths.Add(dynamicSavePath); + dynamicSavePaths.Add(v); continue; } - var (Success, ActualSavePath) = await douyinHttpClientService.DownloadAsync(dynamicUrl, dynamicSavePath, cookie.Cookies); + var (Success, ActualSavePath) = await douyinHttpClientService.DownloadAsync(dynamicUrl.Path, dynamicSavePath, cookie.Cookies); if (!Success) { Log.Error($"{VideoType}-{item?.Author?.Nickname ?? ""}-视频[{dynamicSavePath}]-00{i},下载失败!!!"); } else { - dynamicSavePaths.Add(dynamicSavePath); + dynamicSavePaths.Add(v); Log.Debug($"{VideoType}-{item?.Author?.Nickname ?? ""}-视频[{dynamicSavePath}]-00{i},下载完成."); } await Task.Delay(_random.Next(1, 4) * 1000); @@ -890,10 +898,10 @@ namespace dy.net.job { Width = item?.Images?.FirstOrDefault()?.Width ?? 0, Height = item?.Images?.FirstOrDefault()?.Height ?? 0, - DataSize = DouyinFileUtils.GetTotalFileSize(dynamicSavePaths) // 合成视频的文件大小 + DataSize = DouyinFileUtils.GetTotalFileSize(dynamicSavePaths.Select(x=>x.Path).ToList()) // 合成视频的文件大小 } }; - return await CreateVideoEntity(config, cookie, item, virtualBitRate, dynamicSavePaths.FirstOrDefault(), saveFolder, tag1, tag2, tag3, "", "", data, dynamicSavePaths); + return await CreateVideoEntity(config, cookie, item, virtualBitRate, dynamicSavePaths.FirstOrDefault()?.Path, saveFolder, tag1, tag2, tag3, "", "", data, dynamicSavePaths); } @@ -1285,7 +1293,7 @@ namespace dy.net.job /// 创建的视频实体对象 private async Task CreateVideoEntity(AppConfig config, DouyinCookie cookie, Aweme item, VideoBitRate bitRate, string savePath, string saveFolder, - string tag1, string tag2, string tag3, string avatarSavePath, string avatarUrl, DouyinVideoInfo data, List dynamicVideos = null) + string tag1, string tag2, string tag3, string avatarSavePath, string avatarUrl, DouyinVideoInfo data, List dynamicVideos = null) { var diffs = GetVideoEntityDifferences(cookie, item); diff --git a/service/DouyinMergeVideoService.cs b/service/DouyinMergeVideoService.cs index 09a8ba2..878294f 100644 --- a/service/DouyinMergeVideoService.cs +++ b/service/DouyinMergeVideoService.cs @@ -36,17 +36,14 @@ namespace dy.net.service /// /// /// - /// - /// /// - public async Task MergeMultipleVideosAsync( - List videoFilePaths, + public async Task<(string mp4Path,string mp3Path)> MergeMultipleVideosAsync( + List videoFilePaths, string audioPath, string savePath, - string ck, - int width = 1080, - int height = 1920) + string ck) { + string mp3Path = string.Empty; string mergMusicPath = GetRandomMergeMusic(); if (!string.IsNullOrWhiteSpace(audioPath)) { @@ -54,10 +51,12 @@ namespace dy.net.service if (SuccessPaths != null && SuccessPaths.Length > 0) { mergMusicPath = SuccessPaths[0]; + mp3Path= SuccessPaths[0]; } } var ffmpeg = new FFmpegHelper(); - return await ffmpeg.MergeMultipleVideosAsync(videoFilePaths, mergMusicPath, savePath, width, height); + var mp4Path= await ffmpeg.MergeMultipleVideosAsync(videoFilePaths, mergMusicPath, savePath); + return (mp4Path, mp3Path); } diff --git a/utils/FFmpegHelper.cs b/utils/FFmpegHelper.cs index 41d09eb..669faa3 100644 --- a/utils/FFmpegHelper.cs +++ b/utils/FFmpegHelper.cs @@ -1,18 +1,19 @@ -using Serilog; +using dy.net.dto; +using Serilog; using System; using System.Collections.Generic; using System.Diagnostics; using System.Globalization; +using System.IO; using System.Linq; using System.Text; +using System.Threading; using System.Threading.Tasks; namespace dy.net.utils { public class FFmpegHelper : IDisposable { - - private string _ffmpegExecutablePath; private string _ffprobeExecutablePath; @@ -53,7 +54,6 @@ namespace dy.net.utils public string AudioCodec { get; set; } = "aac"; public string AudioBitrate { get; set; } = "192k"; - /// /// 将多张图片和一个音频文件合成为视频（最终终极版）。 /// @@ -141,7 +141,6 @@ namespace dy.net.utils Serilog.Log.Error($"获取音频时长失败，将使用图片总时长 ({audioDurationSeconds:F2}s) 作为视频时长: {ex.Message}"); } - // 计算图片序列需要循环的次数 int loopCount = 1; int imageCount = imageList.Count; // 要循环的图片总数（对应loop的size参数） @@ -218,7 +217,6 @@ namespace dy.net.utils { throw new InvalidOperationException("视频合成失败，未生成输出文件。"); } - } finally { @@ -232,48 +230,173 @@ namespace dy.net.utils /// - /// 合并多个视频文件为一个MP4视频（嵌入指定音频文件） + /// 将单个视频转封装为统一编码/分辨率的临时视频（解决concat合并兼容问题） + /// + /// 待转封装的视频Dto + /// 目标输出宽度 + /// 目标输出高度 + /// 取消令牌 + /// 统一参数后的临时视频路径 + private async Task CreateUnifiedTempVideoAsync( + DouyinDynamicVideoDto videoDto, + int targetWidth, // 外部传入的动态目标宽（已取所有视频的最大值，偶数） + int targetHeight, // 外部传入的动态目标高（已取所有视频的最大值，偶数） + CancellationToken cancellationToken) + { + // 1. 生成临时视频路径 + string tempVideoDir = Path.Combine(AppContext.BaseDirectory, "temp"); + if (!Directory.Exists(tempVideoDir)) + { + Directory.CreateDirectory(tempVideoDir); + } + string tempVideoPath = Path.Combine(tempVideoDir, $"{Guid.NewGuid()}.mp4"); + + // 2. 构建【动态适配不固定尺寸】的极简滤镜字符串（核心修改） + // 无需写死尺寸，直接使用传入的动态目标分辨率（已保证为偶数） + // scale=targetWidth:-2：宽度最大为动态目标宽，高度按原比例自动缩放，-2强制高度为偶数（满足H264） + // pad=targetWidth:targetHeight：居中补黑边到动态目标分辨率，缩放后尺寸≤目标尺寸，无矛盾 + // 核心：动态双向限制滤镜（不写死任何尺寸，使用传入的targetWidth/targetHeight） + // scale={0}:{1}:force_original_aspect_ratio=decrease：双向限制不超出动态目标尺寸，保持原比例 + // pad={0}:{1}：动态填充到目标尺寸，无尺寸矛盾，无硬编码 + string videoFilter = string.Format(CultureInfo.InvariantCulture, + "scale={0}:{1}:force_original_aspect_ratio=decrease,pad={0}:{1}:(ow-iw)/2:(oh-ih)/2:black", + targetWidth, // 动态传入的目标宽度（无硬编码） + targetHeight // 动态传入的目标高度（无硬编码） + ); + + // 3. 打印滤镜字符串（用于调试，验证动态尺寸是否正确） + //Log.Debug($"待执行的动态滤镜（适配不固定尺寸）：{videoFilter}"); + + // 4. 构建FFmpeg参数（无需对滤镜做任何转义，保留原有编码配置） + var arguments = new List + { + "-y", + "-hide_banner", + "-loglevel", "error", + "-i", videoDto.Path, + "-vf", // 滤镜参数标识（独立参数） + videoFilter, // 动态滤镜字符串（独立参数，ArgumentList自动处理逗号） + "-c:v", VideoCodec, + "-preset", VideoPreset, + "-crf", $"{VideoCrf}", + "-pix_fmt", "yuv420p", + "-profile:v", "main", + // 关键帧计算也适配动态目标宽，保留原有逻辑 + "-g", $"{(targetWidth < 1080 ? 60 : 120)}", + "-sc_threshold", "0", + "-c:a", AudioCodec, + "-b:a", AudioBitrate, + "-ac", "2", + "-ar", "44100", + "-strict", "-2", + "-f", "mp4", + "-movflags", "+faststart", + tempVideoPath + }; + + try + { + // 5. 复用现有ExecuteFFmpegAsync（已使用ArgumentList，自动处理特殊字符） + await ExecuteFFmpegAsync(arguments, null, cancellationToken); + + if (File.Exists(tempVideoPath)) + { + //Log.Debug($"视频转封装为统一参数成功，临时路径：{tempVideoPath}"); + return tempVideoPath; + } + else + { + //Log.Error($"视频转封装失败，未生成临时文件，原路径：{videoDto.Path}"); + return string.Empty; + } + } + catch (Exception ex) + { + Log.Error(ex, $"视频转封装异常，原路径：{videoDto.Path}"); + if (File.Exists(tempVideoPath)) + { + File.Delete(tempVideoPath); + } + return string.Empty; + } + } + /// + /// 合并多个视频文件为一个MP4视频（嵌入指定音频文件）【已优化：移除冗余width/height参数，自动提取基准分辨率】 /// /// 待合并的视频路径列表（按合并顺序排列） /// 音频文件（可为null/空，为空则保留视频原音频（若有）） /// 输出视频的保存路径 - /// 输出视频宽度（自动修正为偶数） - /// 输出视频高度（自动修正为偶数） /// 进度回调 /// 取消令牌 /// 输出视频路径 + // 移除了 width = 1080 和 height = 1920 两个传入参数 public async Task MergeMultipleVideosAsync( - List videoFilePaths, + List videoFilePaths, string audioPath, string savePath, - int width = 1080, - int height = 1920, IProgress progress = null, CancellationToken cancellationToken = default) { + List validVideoList = new List(); + List tempUnifiedVideoPaths = new List(); + // 输入验证 if (videoFilePaths == null || !videoFilePaths.Any()) - throw new ArgumentException("视频路径列表不能为空。", nameof(videoFilePaths)); - - foreach (var videoPath in videoFilePaths) { - if (!File.Exists(videoPath)) - throw new FileNotFoundException("视频文件未找到。", videoPath); + //Serilog.Log.Error("待合并视频列表为空。"); + return string.Empty; + } + + // 筛选有效视频 + 修正Dto中的视频自身宽高为偶数（H264编码要求） + foreach (var videoDto in videoFilePaths) + { + if (videoDto == null || string.IsNullOrEmpty(videoDto.Path) || !File.Exists(videoDto.Path)) + { + //Serilog.Log.Error($"视频文件未找到:{videoDto?.Path ?? "空路径"}"); + continue; + } + + // 修正视频自身宽高（无效值赋予类默认分辨率，偶数修正） + videoDto.Width = videoDto.Width <= 0 ? this.VideoWidth : (videoDto.Width % 2 != 0 ? videoDto.Width + 1 : videoDto.Width); + videoDto.Height = videoDto.Height <= 0 ? this.VideoHeight : (videoDto.Height % 2 != 0 ? videoDto.Height + 1 : videoDto.Height); + + validVideoList.Add(videoDto); + } + + // 无有效视频直接返回 + if (!validVideoList.Any()) + { + Serilog.Log.Error("无可用的有效视频文件，无法进行合并。"); + return string.Empty; } if (string.IsNullOrEmpty(savePath)) - throw new ArgumentNullException(nameof(savePath)); + { + //Serilog.Log.Error("合并视频输出文件名为空"); + return string.Empty; + } - // 音频文件验证（若传入非空路径，则校验文件是否存在） + // 自动创建输出目录 + var saveDir = Path.GetDirectoryName(savePath); + if (!string.IsNullOrEmpty(saveDir) && !Directory.Exists(saveDir)) + { + Directory.CreateDirectory(saveDir); + } + + // 音频文件验证 bool hasCustomAudio = !string.IsNullOrEmpty(audioPath) && File.Exists(audioPath); - //if (!string.IsNullOrEmpty(audioPath) && !hasCustomAudio) - // throw new FileNotFoundException("指定的音频文件未找到。", audioPath); - // 自动修正分辨率为偶数（H264编码要求） - if (width % 2 != 0) width++; - if (height % 2 != 0) height++; + // 核心修改：提取第一个有效视频的分辨率作为基准输出分辨率（替代传入的width/height） + // 进阶：动态计算最优分辨率（取所有有效视频的最大宽、最大高） + int targetWidth = validVideoList.Max(v => v.Width); + int targetHeight = validVideoList.Max(v => v.Height); + // 再次确认偶数（双重保障，避免Dto修正逻辑遗漏） + targetWidth = targetWidth % 2 != 0 ? targetWidth + 1 : targetWidth; + targetHeight = targetHeight % 2 != 0 ? targetHeight + 1 : targetHeight; - // 步骤1：创建临时文件列表（FFmpeg合并视频需要先生成文件列表） + //Log.Debug($"动态计算最优分辨率：{targetWidth}x{targetHeight}（适配所有视频）"); + + // 步骤1：创建临时文件列表 string tempListFile = Path.Combine(AppContext.BaseDirectory, "temp", $"{Guid.NewGuid()}.txt"); var tempDir = Path.GetDirectoryName(tempListFile); if (!Directory.Exists(tempDir)) @@ -283,87 +406,97 @@ namespace dy.net.utils try { - // 生成FFmpeg识别的文件列表（格式：file '绝对路径'） - var fileListContent = new StringBuilder(); - foreach (var videoPath in videoFilePaths) + // 转封装所有有效视频为统一参数的临时视频（使用基准分辨率） + List unifiedVideoPaths = new List(); + foreach (var videoDto in validVideoList) + { + if (cancellationToken.IsCancellationRequested) + { + //Log.Error("视频合并流程被取消，终止临时视频转封装"); + return string.Empty; + } + + // 传入基准分辨率（替代原来的传入参数width/height） + string tempUnifiedVideo = await CreateUnifiedTempVideoAsync(videoDto, targetWidth, targetHeight, cancellationToken); + if (string.IsNullOrEmpty(tempUnifiedVideo) || !File.Exists(tempUnifiedVideo)) + { + //Log.Error($"视频转封装失败，跳过该视频：{videoDto.Path}"); + continue; + } + + tempUnifiedVideoPaths.Add(tempUnifiedVideo); + unifiedVideoPaths.Add(tempUnifiedVideo); + } + + if (!unifiedVideoPaths.Any()) + { + Log.Error("统一转码成功的视频为空，无法进行下一步合并操作"); + return string.Empty; + } + + // 生成FFmpeg识别的文件列表 + var fileListContent = new StringBuilder(); + foreach (var videoPath in unifiedVideoPaths) { - // 处理路径中的特殊字符，确保跨平台兼容 string escapedPath = videoPath.Replace("\\", "/").Replace("'", "\\'"); fileListContent.AppendLine($"file '{escapedPath}'"); } File.WriteAllText(tempListFile, fileListContent.ToString(), new UTF8Encoding(false)); - // 步骤2：构建FFmpeg合并+音频嵌入参数 + // 构建FFmpeg合并参数（使用基准分辨率targetWidth/targetHeight） var arguments = new List(); - // 核心修改：支持双输入（视频列表 + 自定义音频） if (hasCustomAudio) { - // 输入1：视频文件列表（仅读取视频流，忽略原音频） arguments.AddRange(new[] { - "-y", // 覆盖输出文件 - "-f", "concat", - "-safe", "0", - "-i", tempListFile, - // 输入2：自定义音频文件 - "-i", audioPath, - // 映射流：输入0的视频流 → 输出视频流；输入1的音频流 → 输出音频流 - "-map", "0:v", - "-map", "1:a", - // 音频同步：保证视频与音频时长匹配（若音频较短，循环音频；若较长，截断音频） - "-shortest", // 以较短的流时长为准，避免无意义的空帧/静音 - "-filter:a", "apad=pad_len=0" // 音频补全，防止音频时长略短于视频导致的截断 + "-y", "-f", "concat", "-safe", "0", + "-i", tempListFile, "-i", audioPath, + "-map", "0:v", "-map", "1:a", + "-shortest", "-filter:a", "apad=pad_len=0" }); } else { - // 无自定义音频：仅合并视频，保留原视频音频（若有） arguments.AddRange(new[] { - "-y", // 覆盖输出文件 - "-f", "concat", - "-safe", "0", + "-y", "-f", "concat", "-safe", "0", "-i", tempListFile, - // 映射流：保留原视频的视频流和音频流 - "-map", "0:v", - "-map", "0:a?", // "?" 表示若存在音频流则映射，不存在则忽略，避免报错 + "-map", "0:v", "-map", "0:a?", "-shortest" }); } - // 视频编码参数（复用现有类的编码配置，保证输出格式统一） + // 核心：动态双向限制滤镜（不写死任何尺寸，使用传入的targetWidth/targetHeight） + // scale={0}:{1}:force_original_aspect_ratio=decrease：双向限制不超出动态目标尺寸，保持原比例 + // pad={0}:{1}：动态填充到目标尺寸，无尺寸矛盾，无硬编码 + string videoFilter = string.Format(CultureInfo.InvariantCulture, + "scale={0}:{1}:force_original_aspect_ratio=decrease,pad={0}:{1}:(ow-iw)/2:(oh-ih)/2:black", + targetWidth, // 动态传入的目标宽度（无硬编码） + targetHeight // 动态传入的目标高度（无硬编码） + ); + + arguments.AddRange(new[] { "-vf", videoFilter }); + + // 后续编码参数、执行逻辑均不变（使用基准分辨率） arguments.AddRange(new[] { - "-c:v", VideoCodec, - "-preset", VideoPreset, - "-crf", $"{VideoCrf}", - "-s", $"{width}x{height}", // 统一输出分辨率 - "-pix_fmt", "yuv420p", // 兼容所有播放器 - "-profile:v", "main" + "-c:v", VideoCodec, "-preset", VideoPreset, "-crf", $"{VideoCrf}", + "-pix_fmt", "yuv420p", "-profile:v", "main" }); - // 音频编码参数（无论是否自定义音频，统一编码格式保证兼容性） arguments.AddRange(new[] { - "-c:a", AudioCodec, - "-b:a", AudioBitrate, - "-ac", "2", // 立体声 - "-ar", "44100" // 标准采样率 + "-c:a", AudioCodec, "-b:a", AudioBitrate, + "-ac", "2", "-ar", "44100" }); - // 封装优化 arguments.AddRange(new[] { - "-f", "mp4", - "-movflags", "+faststart" // 适合网络播放（将moov原子移至文件头部） + "-f", "mp4", "-movflags", "+faststart", savePath }); - // 输出路径 - arguments.Add(savePath); - - //Log.Error($"savePath={savePath}"); - // 执行FFmpeg合并+音频嵌入命令 + // 执行FFmpeg命令 await ExecuteFFmpegAsync(arguments, progress, cancellationToken); // 验证输出文件 @@ -375,15 +508,25 @@ namespace dy.net.utils else { Log.Error("视频合成失败，未生成输出文件。"); - return ""; + return string.Empty; } } finally { - // 清理临时文件 + // 清理临时文件（原有逻辑不变） if (File.Exists(tempListFile)) { - File.Delete(tempListFile); + try { File.Delete(tempListFile); } + catch (IOException ex) { Log.Warning($"清理临时文件列表失败：{ex.Message}"); } + } + + foreach (var tempVideoPath in tempUnifiedVideoPaths) + { + if (File.Exists(tempVideoPath)) + { + try { File.Delete(tempVideoPath); } + catch (IOException ex) { Log.Warning($"清理临时视频失败：{ex.Message}"); } + } } } } @@ -463,5 +606,4 @@ namespace dy.net.utils _ffmpegProcess?.Dispose(); } } - -} +} \ No newline at end of file