#1391 region decoding fallback to jpeg export

CHANGELOG.md

@@ -11,6 +11,7 @@ All notable changes to this project will be documented in this file.
 ### Fixed
 
 - editing TIFF metadata increasing file size
+- region decoding for some RAW files
 
 ## <a id="v1.12.2"></a>[v1.12.2] - 2025-01-13
 

android/app/src/main/kotlin/deckers/thibault/aves/channel/calls/fetchers/RegionFetcher.kt

@@ -6,14 +6,14 @@ import android.graphics.BitmapFactory
 import android.graphics.BitmapRegionDecoder
 import android.graphics.Rect
 import android.net.Uri
+import android.util.Log
 import com.bumptech.glide.Glide
-import com.bumptech.glide.load.DecodeFormat
-import com.bumptech.glide.load.engine.DiskCacheStrategy
-import com.bumptech.glide.request.RequestOptions
+import deckers.thibault.aves.decoder.AvesAppGlideModule
 import deckers.thibault.aves.decoder.MultiPageImage
 import deckers.thibault.aves.utils.BitmapRegionDecoderCompat
 import deckers.thibault.aves.utils.BitmapUtils.ARGB_8888_BYTE_SIZE
 import deckers.thibault.aves.utils.BitmapUtils.getBytes
+import deckers.thibault.aves.utils.LogUtils
 import deckers.thibault.aves.utils.MathUtils
 import deckers.thibault.aves.utils.MemoryUtils
 import deckers.thibault.aves.utils.MimeTypes
@@ -30,12 +30,7 @@ class RegionFetcher internal constructor(
 ) {
     private var lastDecoderRef: LastDecoderRef? = null
 
-    private val pageTempUris = HashMap<Pair<Uri, Int>, Uri>()
-
-    private val multiTrackGlideOptions = RequestOptions()
-        .format(DecodeFormat.PREFER_ARGB_8888)
-        .diskCacheStrategy(DiskCacheStrategy.NONE)
-        .skipMemoryCache(true)
+    private val exportUris = HashMap<Pair<Uri, Int?>, Uri>()
 
     suspend fun fetch(
         uri: Uri,
@@ -45,25 +40,27 @@ class RegionFetcher internal constructor(
         regionRect: Rect,
         imageWidth: Int,
         imageHeight: Int,
+        requestKey: Pair<Uri, Int?> = Pair(uri, pageId),
         result: MethodChannel.Result,
     ) {
         if (pageId != null && MultiPageImage.isSupported(mimeType)) {
-            val id = Pair(uri, pageId)
+            // use JPEG export for requested page
             fetch(
-                uri = pageTempUris.getOrPut(id) { createJpegForPage(uri, mimeType, pageId) },
+                uri = exportUris.getOrPut(requestKey) { createTemporaryJpegExport(uri, mimeType, pageId) },
                 mimeType = MimeTypes.JPEG,
                 pageId = null,
                 sampleSize = sampleSize,
                 regionRect = regionRect,
                 imageWidth = imageWidth,
                 imageHeight = imageHeight,
+                requestKey = requestKey,
                 result = result,
             )
             return
         }
 
         var currentDecoderRef = lastDecoderRef
-        if (currentDecoderRef != null && currentDecoderRef.uri != uri) {
+        if (currentDecoderRef != null && currentDecoderRef.requestKey != requestKey) {
             currentDecoderRef = null
         }
 
@@ -76,7 +73,7 @@ class RegionFetcher internal constructor(
                     result.error("fetch-read-null", "failed to open file for mimeType=$mimeType uri=$uri regionRect=$regionRect", null)
                     return
                 }
-                currentDecoderRef = LastDecoderRef(uri, newDecoder)
+                currentDecoderRef = LastDecoderRef(requestKey, newDecoder)
             }
             val decoder = currentDecoderRef.decoder
             lastDecoderRef = currentDecoderRef
@@ -119,16 +116,35 @@ class RegionFetcher internal constructor(
                 result.error("fetch-null", "failed to decode region for uri=$uri regionRect=$regionRect", null)
             }
         } catch (e: Exception) {
+            if (mimeType != MimeTypes.JPEG) {
+                // retry with JPEG export on failure,
+                // as some formats are not fully supported by `BitmapRegionDecoder`
+                fetch(
+                    uri = exportUris.getOrPut(requestKey) { createTemporaryJpegExport(uri, mimeType, pageId) },
+                    mimeType = MimeTypes.JPEG,
+                    pageId = null,
+                    sampleSize = sampleSize,
+                    regionRect = regionRect,
+                    imageWidth = imageWidth,
+                    imageHeight = imageHeight,
+                    requestKey = requestKey,
+                    result = result,
+                )
+                return
+            }
+
             result.error("fetch-read-exception", "failed to initialize region decoder for uri=$uri regionRect=$regionRect", e.message)
         }
     }
 
-    private fun createJpegForPage(sourceUri: Uri, mimeType: String, pageId: Int): Uri {
+    private fun createTemporaryJpegExport(uri: Uri, mimeType: String, pageId: Int?): Uri {
+        Log.d(LOG_TAG, "create JPEG export for uri=$uri mimeType=$mimeType pageId=$pageId")
         val target = Glide.with(context)
             .asBitmap()
-            .apply(multiTrackGlideOptions)
-            .load(MultiPageImage(context, sourceUri, mimeType, pageId))
+            .apply(AvesAppGlideModule.uncachedFullImageOptions)
+            .load(AvesAppGlideModule.getModel(context, uri, mimeType, pageId))
             .submit()
+
         try {
             val bitmap = target.get()
             val tempFile = StorageUtils.createTempFile(context).apply {
@@ -143,7 +159,11 @@ class RegionFetcher internal constructor(
     }
 
     private data class LastDecoderRef(
-        val uri: Uri,
+        val requestKey: Pair<Uri, Int?>,
         val decoder: BitmapRegionDecoder,
     )
+
+    companion object {
+        private val LOG_TAG = LogUtils.createTag<RegionFetcher>()
+    }
 }

android/app/src/main/kotlin/deckers/thibault/aves/channel/calls/fetchers/ThumbnailFetcher.kt

@@ -12,10 +12,8 @@ import com.bumptech.glide.load.DecodeFormat
 import com.bumptech.glide.load.engine.DiskCacheStrategy
 import com.bumptech.glide.request.RequestOptions
 import com.bumptech.glide.signature.ObjectKey
+import deckers.thibault.aves.decoder.AvesAppGlideModule
 import deckers.thibault.aves.decoder.MultiPageImage
-import deckers.thibault.aves.decoder.SvgImage
-import deckers.thibault.aves.decoder.TiffImage
-import deckers.thibault.aves.decoder.VideoThumbnail
 import deckers.thibault.aves.utils.BitmapUtils.applyExifOrientation
 import deckers.thibault.aves.utils.BitmapUtils.getBytes
 import deckers.thibault.aves.utils.MimeTypes
@@ -122,28 +120,16 @@ class ThumbnailFetcher internal constructor(
             .format(if (quality == 100) DecodeFormat.PREFER_ARGB_8888 else DecodeFormat.PREFER_RGB_565)
             .signature(ObjectKey("$dateModifiedSecs-$rotationDegrees-$isFlipped-$width-$pageId"))
             .override(width, height)
-
-        val target = if (isVideo(mimeType)) {
+        if (isVideo(mimeType)) {
             options = options.diskCacheStrategy(DiskCacheStrategy.RESOURCE)
-            Glide.with(context)
-                .asBitmap()
-                .apply(options)
-                .load(VideoThumbnail(context, uri))
-                .submit(width, height)
-        } else {
-            val model: Any = when {
-                svgFetch -> SvgImage(context, uri)
-                tiffFetch -> TiffImage(context, uri, pageId)
-                multiPageFetch -> MultiPageImage(context, uri, mimeType, pageId)
-                else -> StorageUtils.getGlideSafeUri(context, uri, mimeType)
-            }
-            Glide.with(context)
-                .asBitmap()
-                .apply(options)
-                .load(model)
-                .submit(width, height)
         }
 
+        val target = Glide.with(context)
+            .asBitmap()
+            .apply(options)
+            .load(AvesAppGlideModule.getModel(context, uri, mimeType, pageId))
+            .submit(width, height)
+
         return try {
             var bitmap = target.get()
             if (needRotationAfterGlide(mimeType, pageId)) {

android/app/src/main/kotlin/deckers/thibault/aves/channel/streams/ImageByteStreamHandler.kt

@@ -6,12 +6,7 @@ import android.os.Handler
 import android.os.Looper
 import android.util.Log
 import com.bumptech.glide.Glide
-import com.bumptech.glide.load.DecodeFormat
-import com.bumptech.glide.load.engine.DiskCacheStrategy
-import com.bumptech.glide.request.RequestOptions
-import deckers.thibault.aves.decoder.MultiPageImage
-import deckers.thibault.aves.decoder.TiffImage
-import deckers.thibault.aves.decoder.VideoThumbnail
+import deckers.thibault.aves.decoder.AvesAppGlideModule
 import deckers.thibault.aves.utils.BitmapUtils.applyExifOrientation
 import deckers.thibault.aves.utils.BitmapUtils.getBytes
 import deckers.thibault.aves.utils.LogUtils
@@ -130,18 +125,10 @@ class ImageByteStreamHandler(private val context: Context, private val arguments
         rotationDegrees: Int,
         isFlipped: Boolean,
     ) {
-        val model: Any = if (pageId != null && MultiPageImage.isSupported(mimeType)) {
-            MultiPageImage(context, uri, mimeType, pageId)
-        } else if (mimeType == MimeTypes.TIFF) {
-            TiffImage(context, uri, pageId)
-        } else {
-            StorageUtils.getGlideSafeUri(context, uri, mimeType, sizeBytes)
-        }
-
         val target = Glide.with(context)
             .asBitmap()
-            .apply(glideOptions)
-            .load(model)
+            .apply(AvesAppGlideModule.uncachedFullImageOptions)
+            .load(AvesAppGlideModule.getModel(context, uri, mimeType, pageId, sizeBytes))
             .submit()
         try {
             var bitmap = withContext(Dispatchers.IO) { target.get() }
@@ -159,7 +146,7 @@ class ImageByteStreamHandler(private val context: Context, private val arguments
                 error("streamImage-image-decode-null", "failed to get image for mimeType=$mimeType uri=$uri", null)
             }
         } catch (e: Exception) {
-            error("streamImage-image-decode-exception", "failed to get image for mimeType=$mimeType uri=$uri model=$model", toErrorDetails(e))
+            error("streamImage-image-decode-exception", "failed to get image for mimeType=$mimeType uri=$uri", toErrorDetails(e))
         } finally {
             Glide.with(context).clear(target)
         }
@@ -168,8 +155,8 @@ class ImageByteStreamHandler(private val context: Context, private val arguments
     private suspend fun streamVideoByGlide(uri: Uri, mimeType: String, sizeBytes: Long?) {
         val target = Glide.with(context)
             .asBitmap()
-            .apply(glideOptions)
-            .load(VideoThumbnail(context, uri))
+            .apply(AvesAppGlideModule.uncachedFullImageOptions)
+            .load(AvesAppGlideModule.getModel(context, uri, mimeType, null, sizeBytes))
             .submit()
         try {
             val bitmap = withContext(Dispatchers.IO) { target.get() }
@@ -218,11 +205,5 @@ class ImageByteStreamHandler(private val context: Context, private val arguments
         const val CHANNEL = "deckers.thibault/aves/media_byte_stream"
 
         private const val BUFFER_SIZE = 2 shl 17 // 256kB
-
-        // request a fresh image with the highest quality format
-        private val glideOptions = RequestOptions()
-            .format(DecodeFormat.PREFER_ARGB_8888)
-            .diskCacheStrategy(DiskCacheStrategy.NONE)
-            .skipMemoryCache(true)
     }
 }

android/app/src/main/kotlin/deckers/thibault/aves/decoder/AvesAppGlideModule.kt

@@ -1,14 +1,21 @@
 package deckers.thibault.aves.decoder
 
 import android.content.Context
+import android.net.Uri
 import android.util.Log
 import com.bumptech.glide.Glide
 import com.bumptech.glide.GlideBuilder
 import com.bumptech.glide.Registry
 import com.bumptech.glide.annotation.GlideModule
+import com.bumptech.glide.load.DecodeFormat
 import com.bumptech.glide.load.ImageHeaderParser
+import com.bumptech.glide.load.engine.DiskCacheStrategy
 import com.bumptech.glide.load.resource.bitmap.ExifInterfaceImageHeaderParser
 import com.bumptech.glide.module.AppGlideModule
+import com.bumptech.glide.request.RequestOptions
+import deckers.thibault.aves.utils.MimeTypes
+import deckers.thibault.aves.utils.MimeTypes.isVideo
+import deckers.thibault.aves.utils.StorageUtils
 import deckers.thibault.aves.utils.compatRemoveIf
 
 @GlideModule
@@ -25,4 +32,26 @@ class AvesAppGlideModule : AppGlideModule() {
     }
 
     override fun isManifestParsingEnabled(): Boolean = false
+
+    companion object {
+        // request a fresh image with the highest quality format
+        val uncachedFullImageOptions = RequestOptions()
+            .format(DecodeFormat.PREFER_ARGB_8888)
+            .diskCacheStrategy(DiskCacheStrategy.NONE)
+            .skipMemoryCache(true)
+
+        fun getModel(context: Context, uri: Uri, mimeType: String, pageId: Int?, sizeBytes: Long? = null): Any {
+            return if (pageId != null && MultiPageImage.isSupported(mimeType)) {
+                MultiPageImage(context, uri, mimeType, pageId)
+            } else if (mimeType == MimeTypes.TIFF) {
+                TiffImage(context, uri, pageId)
+            } else if (mimeType == MimeTypes.SVG) {
+                SvgImage(context, uri)
+            } else if (isVideo(mimeType)) {
+                VideoThumbnail(context, uri)
+            } else {
+                StorageUtils.getGlideSafeUri(context, uri, mimeType, sizeBytes)
+            }
+        }
+    }
 }

android/app/src/main/kotlin/deckers/thibault/aves/model/provider/ImageProvider.kt

@@ -11,16 +11,10 @@ import android.net.Uri
 import android.os.Binder
 import android.os.Build
 import android.util.Log
-import androidx.exifinterface.media.ExifInterfaceFork as ExifInterface
 import com.bumptech.glide.Glide
-import com.bumptech.glide.load.DecodeFormat
-import com.bumptech.glide.load.engine.DiskCacheStrategy
 import com.bumptech.glide.request.FutureTarget
-import com.bumptech.glide.request.RequestOptions
 import com.commonsware.cwac.document.DocumentFileCompat
-import deckers.thibault.aves.decoder.MultiPageImage
-import deckers.thibault.aves.decoder.SvgImage
-import deckers.thibault.aves.decoder.TiffImage
+import deckers.thibault.aves.decoder.AvesAppGlideModule
 import deckers.thibault.aves.metadata.ExifInterfaceHelper
 import deckers.thibault.aves.metadata.ExifInterfaceHelper.getSafeDateMillis
 import deckers.thibault.aves.metadata.Metadata.TYPE_EXIF
@@ -68,6 +62,7 @@ import java.nio.channels.Channels
 import java.util.Date
 import java.util.TimeZone
 import kotlin.math.absoluteValue
+import androidx.exifinterface.media.ExifInterfaceFork as ExifInterface
 
 abstract class ImageProvider {
     open fun fetchSingle(context: Context, uri: Uri, sourceMimeType: String?, allowUnsized: Boolean, callback: ImageOpCallback) {
@@ -317,27 +312,12 @@ abstract class ImageProvider {
                     }
                 }
 
-                val model: Any = if (pageId != null && MultiPageImage.isSupported(sourceMimeType)) {
-                    MultiPageImage(activity, sourceUri, sourceMimeType, pageId)
-                } else if (sourceMimeType == MimeTypes.TIFF) {
-                    TiffImage(activity, sourceUri, pageId)
-                } else if (sourceMimeType == MimeTypes.SVG) {
-                    SvgImage(activity, sourceUri)
-                } else {
-                    StorageUtils.getGlideSafeUri(activity, sourceUri, sourceMimeType, sourceEntry.sizeBytes)
-                }
-
-                // request a fresh image with the highest quality format
-                val glideOptions = RequestOptions()
-                    .format(DecodeFormat.PREFER_ARGB_8888)
-                    .diskCacheStrategy(DiskCacheStrategy.NONE)
-                    .skipMemoryCache(true)
-
                 target = Glide.with(activity.applicationContext)
                     .asBitmap()
-                    .apply(glideOptions)
-                    .load(model)
+                    .apply(AvesAppGlideModule.uncachedFullImageOptions)
+                    .load(AvesAppGlideModule.getModel(activity, sourceUri, sourceMimeType, pageId, sourceEntry.sizeBytes))
                     .submit(targetWidthPx, targetHeightPx)
+
                 var bitmap = withContext(Dispatchers.IO) { target.get() }
                 if (MimeTypes.needRotationAfterGlide(sourceMimeType, pageId)) {
                     bitmap = BitmapUtils.applyExifOrientation(activity, bitmap, sourceEntry.rotationDegrees, sourceEntry.isFlipped)

android/app/src/main/kotlin/deckers/thibault/aves/utils/StorageUtils.kt

@@ -81,7 +81,8 @@ object StorageUtils {
             return null
         }
         val trashDir = File(externalFilesDir, "trash")
-        if (!trashDir.exists() && !trashDir.mkdirs()) {
+        trashDir.mkdirs()
+        if (!trashDir.exists()) {
             Log.e(LOG_TAG, "failed to create directories at path=$trashDir")
             return null
         }
@@ -499,7 +500,8 @@ object StorageUtils {
                 parentFile
             } else {
                 val directory = File(cleanDirPath)
-                if (!directory.exists() && !directory.mkdirs()) {
+                directory.mkdirs()
+                if (!directory.exists()) {
                     Log.e(LOG_TAG, "failed to create directories at path=$cleanDirPath")
                     return null
                 }
@@ -712,7 +714,8 @@ object StorageUtils {
 
     fun createTempFile(context: Context, extension: String? = null): File {
         val directory = getTempDirectory(context)
-        if (!directory.exists() && !directory.mkdirs()) {
+        directory.mkdirs()
+        if (!directory.exists()) {
             throw IOException("failed to create directories at path=$directory")
         }
         val tempFile = File.createTempFile("aves", extension, directory)