wip

Author: kibotu

android-ffmpeg-transcoder/src/main/java/net/kibotu/androidffmpegtranscoder/mcvideoeditor/MediaCodecExtractImages.kt

@@ -95,14 +95,14 @@ class MediaCodecExtractImages {
             }
 
             extractor = MediaExtractor()
-            extractor!!.setDataSource(inputFile.toString())
-            val trackIndex = selectTrack(extractor!!)
+            extractor.setDataSource(inputFile.toString())
+            val trackIndex = selectTrack(extractor)
             if (trackIndex < 0) {
                 emitter.onError(RuntimeException("No video track found in $inputFile"))
             }
-            extractor!!.selectTrack(trackIndex)
+            extractor.selectTrack(trackIndex)
 
-            val format = extractor!!.getTrackFormat(trackIndex)
+            val format = extractor.getTrackFormat(trackIndex)
 
             saveWidth = format.getInteger(MediaFormat.KEY_WIDTH)
             saveHeight = format.getInteger(MediaFormat.KEY_HEIGHT)
@@ -135,14 +135,14 @@ class MediaCodecExtractImages {
             // it contains a copy of the CSD-0/CSD-1 codec-specific data chunks.
             val mime = format.getString(MediaFormat.KEY_MIME)
             decoder = MediaCodec.createDecoderByType(mime!!)
-            decoder?.configure(format, outputSurface!!.surface, null, 0)
-            decoder?.start()
+            decoder.configure(format, outputSurface.surface, null, 0)
+            decoder.start()
 
             doExtract(
-                extractor!!,
+                extractor,
                 trackIndex,
-                decoder!!,
-                outputSurface!!,
+                decoder,
+                outputSurface,
                 desiredFrames,
                 outputPath,
                 photoQuality,

app/src/main/AndroidManifest.xml

@@ -13,16 +13,16 @@
         <activity
             android:name=".FFmpegActivity"
             android:exported="true">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
         </activity>
 
         <activity
             android:name=".DemoActivity"
             android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
         </activity>
 
     </application>

app/src/main/java/net/kibotu/androidffmpegtranscoder/demo/DemoActivity.kt

@@ -25,8 +25,8 @@ class DemoActivity : FragmentActivity() {
         binding = ActivityDemoBinding.inflate(layoutInflater)
         setContentView(binding.root)
 
-        val frameFolder = "transcoding/process/".parseInternalStorageFile(this)
-        val inputVideo = "example/source_video.mp4".parseInternalStorageFile(this)
+        val frameFolder = "transcoding/process".parseInternalStorageFile(this)
+        val inputVideo = "transcoding/input/source_video.mp4".parseInternalStorageFile(this)
         val outputVideo = "transcoding/output/output_${System.currentTimeMillis()}.mp4".parseInternalStorageFile(this)
 
         val increment = 63f / 120f