Load ffmpeg config info

app/src/main/java/com/github/xch168/ffmpeg/invoker/demo/MainActivity.java

@@ -2,10 +2,13 @@ package com.github.xch168.ffmpeg.invoker.demo;
 
 import android.os.Build;
 import android.os.Bundle;
+import android.text.method.ScrollingMovementMethod;
 import android.widget.TextView;
 
 import androidx.appcompat.app.AppCompatActivity;
 
+import com.github.xch168.ffmpeg.invoker.FFmpegInvoker;
+
 public class MainActivity extends AppCompatActivity {
 
 
@@ -16,6 +19,10 @@ public class MainActivity extends AppCompatActivity {
 
         TextView tv = findViewById(R.id.tv_cpu_abi);
         tv.setText("CPU_ABI: " + getCpuAbi());
+
+        TextView configView = findViewById(R.id.tv_config_info);
+        configView.setMovementMethod(ScrollingMovementMethod.getInstance());
+        configView.setText(getConfigInfo());
     }
 
     private String getCpuAbi() {
@@ -26,4 +33,14 @@ public class MainActivity extends AppCompatActivity {
         }
     }
 
+    private String getConfigInfo() {
+        String configInfo = FFmpegInvoker.getConfigInfo();
+        String[] configItems = configInfo.split(" ");
+        StringBuilder configInfoBuilder = new StringBuilder();
+        for (String config : configItems) {
+            configInfoBuilder.append(config).append('\n');
+        }
+        return configInfoBuilder.toString();
+    }
+
 }

app/src/main/res/layout/activity_main.xml

@@ -10,9 +10,19 @@
         android:id="@+id/tv_cpu_abi"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        app:layout_constraintTop_toTopOf="parent"
+        android:layout_marginTop="20dp"/>
+
+    <TextView
+        android:id="@+id/tv_config_info"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/tv_cpu_abi"
+        app:layout_constraintBottom_toBottomOf="parent"
+        android:scrollbars="vertical"
+        android:layout_marginTop="20dp"/>
 
 </androidx.constraintlayout.widget.ConstraintLayout>

library/src/main/cpp/ffmpeg-invoker.c

@@ -100,3 +100,10 @@ Java_com_github_xch168_ffmpeg_invoker_FFmpegInvoker_exit(JNIEnv *env, jclass typ
     m_clazz = (*env)->NewGlobalRef(env, type);
     ffmpeg_thread_cancel();
 }
+
+JNIEXPORT jstring JNICALL
+Java_com_github_xch168_ffmpeg_invoker_FFmpegInvoker_getConfigInfo(JNIEnv *env, jclass clazz) {
+    char info[10000] = {0};
+    sprintf(info, "%s\n", avcodec_configuration());
+    return (*env)->NewStringUTF(env, info);
+}

library/src/main/cpp/ffmpeg-invoker.h

@@ -12,6 +12,9 @@ Java_com_github_xch168_ffmpeg_invoker_FFmpegInvoker_exec(JNIEnv *, jclass, jint,
 JNIEXPORT void JNICALL
 Java_com_github_xch168_ffmpeg_invoker_FFmpegInvoker_exit(JNIEnv *, jclass);
 
+JNIEXPORT jstring JNICALL
+Java_com_github_xch168_ffmpeg_invoker_FFmpegInvoker_getConfigInfo(JNIEnv *, jclass);
+
 #ifdef __cplusplus
 }
 #endif

library/src/main/java/com/github/xch168/ffmpeg/invoker/FFmpegInvoker.java

@@ -1,9 +1,12 @@
 package com.github.xch168.ffmpeg.invoker;
 
+import android.util.Log;
+
 /**
  * Created by XuCanHui on 2020/3/14.
  */
 public class FFmpegInvoker {
+    private static final String TAG = "FFmpegInvoker";
 
     static {
         System.loadLibrary("ffmpeg-invoker");
@@ -15,10 +18,20 @@ public class FFmpegInvoker {
     public static native int exec(int argc, String[] argv);
     public static native void exit();
 
+    public static native String getConfigInfo();
+
     public static void exec(String[] cmds, long duration, Callback listener) {
         sCallback = listener;
         sDuration = duration;
 
+        StringBuilder cmdBuilder = new StringBuilder();
+        for (String cmd : cmds)
+        {
+            cmdBuilder.append(" ").append(cmd);
+        }
+
+        Log.i(TAG, "ffmpeg cmd:" + cmdBuilder.toString());
+
         exec(cmds.length, cmds);
     }