livephoto: add Google and Samsung support

lib/Controller/VideoController.php

@@ -23,6 +23,7 @@ declare(strict_types=1);
 
 namespace OCA\Memories\Controller;
 
+use OCA\Memories\Exif;
 use OCP\AppFramework\Http;
 use OCP\AppFramework\Http\DataDisplayResponse;
 use OCP\AppFramework\Http\JSONResponse;
@@ -163,6 +164,35 @@ class VideoController extends ApiBase
         if (!$liveid) {
             return new JSONResponse(['message' => 'Live ID not provided'], Http::STATUS_BAD_REQUEST);
         }
+
+        // Response data
+        $name = '';
+        $blob = null;
+        $mime = '';
+
+        // Video is inside the file
+        $path = null;
+        if (str_starts_with($liveid, 'self__')) {
+            $path = $file->getStorage()->getLocalFile($file->getInternalPath());
+            $mime = 'video/mp4';
+            $name = $file->getName().'.mp4';
+        }
+
+        // Different manufacurers have different formats
+        if ('self__trailer' === $liveid) {
+            try { // Get trailer
+                $blob = Exif::getBinaryExifProp($path, '-trailer');
+            } catch (\Exception $e) {
+                return new JSONResponse(['message' => 'Trailer not found'], Http::STATUS_NOT_FOUND);
+            }
+        } elseif ('self__embeddedvideo' === $liveid) {
+            try { // Get embedded video file
+                $blob = Exif::getBinaryExifProp($path, '-EmbeddedVideoFile');
+            } catch (\Exception $e) {
+                return new JSONResponse(['message' => 'Embedded video not found'], Http::STATUS_NOT_FOUND);
+            }
+        } else {
+            // Get stored video file (Apple MOV)
             $lp = $this->timelineQuery->getLivePhoto($fileid);
             if (!$lp || $lp['liveid'] !== $liveid) {
                 return new JSONResponse(['message' => 'Live ID not found'], Http::STATUS_NOT_FOUND);
@@ -177,13 +207,17 @@ class VideoController extends ApiBase
             $liveFile = $files[0];
 
             if ($liveFile instanceof File) {
-            // Create and send response
                 $name = $liveFile->getName();
                 $blob = $liveFile->getContent();
+                $mime = $liveFile->getMimeType();
+            }
+        }
 
+        // Make and send response
+        if ($blob) {
             $response = new DataDisplayResponse($blob, Http::STATUS_OK, []);
             $response->setHeaders([
-                'Content-Type' => $liveFile->getMimeType(),
+                'Content-Type' => $mime,
                 'Content-Disposition' => "attachment; filename=\"{$name}\"",
             ]);
             $response->cacheFor(3600 * 24, false, false);

lib/Db/LivePhoto.php

@@ -26,10 +26,28 @@ class LivePhoto
     /** Get liveid from photo part */
     public function getLivePhotoId(array &$exif)
     {
+        // Apple JPEG (MOV has ContentIdentifier)
         if (\array_key_exists('MediaGroupUUID', $exif)) {
             return $exif['MediaGroupUUID'];
         }
 
+        // Samsung JPEG
+        if (\array_key_exists('EmbeddedVideoType', $exif) && str_contains($exif['EmbeddedVideoType'], 'MotionPhoto')) {
+            return 'self__embeddedvideo';
+        }
+
+        // Google JPEG and Samsung HEIC (Apple?)
+        if (\array_key_exists('MotionPhoto', $exif)) {
+            if ('image/jpeg' === $exif['MIMEType']) {
+                // Google JPEG -- image should hopefully be in trailer
+                return 'self__trailer';
+            }
+            if ('image/heic' === $exif['MIMEType']) {
+                // Samsung HEIC -- no way to get this out yet
+                return '';
+            }
+        }
+
         return '';
     }
 

lib/Db/TimelineWrite.php

@@ -134,7 +134,7 @@ class TimelineWrite
             }
 
             // These are huge and not needed
-            if (str_starts_with($key, 'Nikon')) {
+            if (str_starts_with($key, 'Nikon') || str_starts_with($key, 'QuickTime')) {
                 unset($exif[$key]);
             }
         }

lib/Exif.php

@@ -262,6 +262,28 @@ class Exif
         }
     }
 
+    public static function getBinaryExifProp(string $path, string $prop)
+    {
+        $pipes = [];
+        $proc = proc_open(array_merge(self::getExiftool(), [$prop, '-n', '-b', $path]), [
+            1 => ['pipe', 'w'],
+            2 => ['pipe', 'w'],
+        ], $pipes);
+        stream_set_blocking($pipes[1], false);
+
+        try {
+            return self::readOrTimeout($pipes[1], 5000);
+        } catch (\Exception $ex) {
+            error_log("Exiftool timeout: [{$path}]");
+
+            throw new \Exception('Could not read from Exiftool');
+        } finally {
+            fclose($pipes[1]);
+            fclose($pipes[2]);
+            proc_terminate($proc);
+        }
+    }
+
     /** Get path to exiftool binary */
     private static function getExiftool()
     {

src/App.vue

@@ -358,7 +358,7 @@ aside.app-sidebar {
 }
 
 :root {
-  --livephoto-img-transition: opacity 0.5s linear, transform 0.4s ease-in-out;
+  --livephoto-img-transition: opacity 0.4s linear, transform 0.3s ease-in-out;
 }
 
 // Live photo transitions
@@ -388,7 +388,7 @@ aside.app-sidebar {
     opacity: 1;
   }
   &.playing.canplay img {
-    transform: scale(1.07);
+    transform: scale(1.05);
   }
 }
 </style>