sync

src/core/converter.ts

@@ -15,8 +15,8 @@ import {
   getVideoMetadata,
   ensureDir
 } from '../utils';
-import { selectProfiles } from '../config/profiles';
-import { generateThumbnailSprite } from './thumbnails';
+import { selectProfiles, createProfilesFromStrings } from '../config/profiles';
+import { generateThumbnailSprite, generatePoster } from './thumbnails';
 import { encodeProfilesToMP4 } from './encoding';
 import { packageToDash } from './packaging';
 
@@ -32,9 +32,12 @@ export async function convertToDash(
     outputDir,
     segmentDuration = 2,
     profiles: userProfiles,
+    customProfiles,
     useNvenc,
     generateThumbnails = true,
     thumbnailConfig = {},
+    generatePoster: shouldGeneratePoster = true,
+    posterTimecode = '00:00:01',
     parallel = true,
     onProgress
   } = options;
@@ -50,9 +53,12 @@ export async function convertToDash(
       tempDir,
       segmentDuration,
       userProfiles,
+      customProfiles,
       useNvenc,
       generateThumbnails,
       thumbnailConfig,
+      shouldGeneratePoster,
+      posterTimecode,
       parallel,
       onProgress
     );
@@ -75,9 +81,12 @@ async function convertToDashInternal(
   tempDir: string,
   segmentDuration: number,
   userProfiles: VideoProfile[] | undefined,
+  customProfiles: string[] | undefined,
   useNvenc: boolean | undefined,
   generateThumbnails: boolean,
   thumbnailConfig: ThumbnailConfig,
+  generatePosterFlag: boolean,
+  posterTimecode: string,
   parallel: boolean,
   onProgress?: (progress: ConversionProgress) => void
 ): Promise<DashConvertResult> {
@@ -112,12 +121,44 @@ async function convertToDashInternal(
   }
 
   // Select profiles
-  const profiles = userProfiles || selectProfiles(
-    metadata.width, 
-    metadata.height,
-    metadata.fps,
-    metadata.videoBitrate
-  );
+  let profiles: VideoProfile[];
+
+  if (customProfiles && customProfiles.length > 0) {
+    // User specified custom profiles via CLI
+    const result = createProfilesFromStrings(
+      customProfiles,
+      metadata.width,
+      metadata.height,
+      metadata.fps,
+      metadata.videoBitrate
+    );
+    
+    // Show errors if any
+    if (result.errors.length > 0) {
+      console.warn('\n⚠️  Profile warnings:');
+      for (const error of result.errors) {
+        console.warn(`   - ${error}`);
+      }
+      console.warn('');
+    }
+    
+    profiles = result.profiles;
+    
+    if (profiles.length === 0) {
+      throw new Error('No valid profiles found in custom list. Check warnings above.');
+    }
+  } else if (userProfiles) {
+    // Programmatic API usage
+    profiles = userProfiles;
+  } else {
+    // Default: auto-select based on source
+    profiles = selectProfiles(
+      metadata.width,
+      metadata.height,
+      metadata.fps,
+      metadata.videoBitrate
+    );
+  }
   
   if (profiles.length === 0) {
     throw new Error('No suitable profiles found for input video resolution');
@@ -126,6 +167,14 @@ async function convertToDashInternal(
   // Create video name directory
   const inputBasename = basename(input, extname(input));
   const videoOutputDir = join(outputDir, inputBasename);
+  
+  // Clean up previous conversion if exists
+  try {
+    await rm(videoOutputDir, { recursive: true, force: true });
+  } catch (err) {
+    // Directory might not exist, that's fine
+  }
+  
   await ensureDir(videoOutputDir);
 
   reportProgress('analyzing', 20, `Using ${willUseNvenc ? 'NVENC' : 'CPU'} encoding`, undefined);
@@ -212,6 +261,21 @@ async function convertToDashInternal(
     
     reportProgress('thumbnails', 90, 'Thumbnails generated');
   }
+  
+  // Generate poster
+  let posterPath: string | undefined;
+  
+  if (generatePosterFlag) {
+    reportProgress('thumbnails', 92, 'Generating poster image...');
+    
+    posterPath = await generatePoster(
+      input,
+      videoOutputDir,
+      posterTimecode
+    );
+    
+    reportProgress('thumbnails', 95, 'Poster generated');
+  }
 
   // Generate MPD manifest
   reportProgress('manifest', 95, 'Finalizing manifest...');
@@ -226,6 +290,7 @@ async function convertToDashInternal(
     videoPaths,
     thumbnailSpritePath,
     thumbnailVttPath,
+    posterPath,
     duration: metadata.duration,
     profiles,
     usedNvenc: willUseNvenc