🎨 新增获取媒体的编码信息

Author: AnJoiner

app/src/main/java/com/coder/ffmpegtest/ui/KFFmpegInfoActivity.kt

@@ -8,6 +8,7 @@ import android.widget.TextView
 import androidx.appcompat.app.AppCompatActivity
 import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.RecyclerView
+import com.coder.ffmpeg.annotation.CodecProperty
 import com.coder.ffmpeg.annotation.MediaAttribute
 import com.coder.ffmpeg.jni.FFmpegCommand
 import com.coder.ffmpegtest.R
@@ -76,6 +77,8 @@ class KFFmpegInfoActivity : AppCompatActivity() {
                     5 -> getChannels()
                     6 -> getSampleRate()
                     7 -> getAudioBitRate()
+                    8 -> getVideoCodec()
+                    9 -> getAudioCodec()
                 }
             }
         })
@@ -138,6 +141,18 @@ class KFFmpegInfoActivity : AppCompatActivity() {
         tvContent?.text = result
     }
 
+    private fun getVideoCodec() {
+        val codecInfo = FFmpegCommand.getCodecInfo(mVideoPath, CodecProperty.VIDEO)
+        val result =codecInfo?.toString()?:""
+        tvContent?.text = result
+    }
+
+    private fun getAudioCodec() {
+        val codecInfo = FFmpegCommand.getCodecInfo(mVideoPath, CodecProperty.AUDIO)
+        val result =codecInfo?.toString()?:""
+        tvContent?.text = result
+    }
+
     companion object{
         fun start(context: Context){
             val intent = Intent(context,KFFmpegInfoActivity::class.java)

app/src/main/res/values/arrays.xml

@@ -9,6 +9,8 @@
         <item>音频声道数</item>
         <item>音频采样率</item>
         <item>音频比特率</item>
+        <item>视频Codec</item>
+        <item>音频Codec</item>
     </string-array>
 
     <string-array name="formats">

ffmpeg/src/main/java/com/coder/ffmpeg/annotation/CodecProperty.kt

@@ -0,0 +1,17 @@
+package com.coder.ffmpeg.annotation
+
+import androidx.annotation.IntDef
+
+/**
+ * @author: AnJoiner
+ * @datetime: 2023-11-05
+ * 解码器类型
+ */
+@IntDef(CodecProperty.VIDEO,
+    CodecProperty.AUDIO)
+annotation class CodecProperty {
+    companion object {
+        const val VIDEO = 1 // 视频解码格式
+        const val AUDIO = 2 // 音频解码格式
+    }
+}

ffmpeg/src/main/java/com/coder/ffmpeg/jni/FFmpegCmd.kt

@@ -2,9 +2,11 @@ package com.coder.ffmpeg.jni
 
 import android.util.Log
 import com.coder.ffmpeg.annotation.CodecAttribute
+import com.coder.ffmpeg.annotation.CodecProperty
 import com.coder.ffmpeg.annotation.FormatAttribute
 import com.coder.ffmpeg.annotation.MediaAttribute
 import com.coder.ffmpeg.call.IFFmpegCallBack
+import com.coder.ffmpeg.model.CodecInfo
 import java.util.*
 
 /**
@@ -129,6 +131,19 @@ internal class FFmpegCmd private constructor() {
      * @param type information type.
      */
     private external fun info(videoPath: String?, type: Int): Int
+    /**
+     * Provide method to get codec info .
+     * @param property property type.
+     */
+    fun getCodecProperty(videoPath: String?,@CodecProperty property: Int): CodecInfo? {
+        return codec(videoPath, property)
+    }
+    /**
+     * Call native to get media information.
+     * @param videoPath media path
+     * @param type information type.
+     */
+    private external fun codec(videoPath: String?, type: Int): CodecInfo?
 
     /**
      * Provide method to get format info .

ffmpeg/src/main/java/com/coder/ffmpeg/jni/FFmpegCommand.kt

@@ -1,9 +1,11 @@
 package com.coder.ffmpeg.jni
 
 import com.coder.ffmpeg.annotation.CodecAttribute
+import com.coder.ffmpeg.annotation.CodecProperty
 import com.coder.ffmpeg.annotation.FormatAttribute
 import com.coder.ffmpeg.annotation.MediaAttribute
 import com.coder.ffmpeg.call.IFFmpegCallBack
+import com.coder.ffmpeg.model.CodecInfo
 
 /**
  * @author: AnJoiner
@@ -32,6 +34,18 @@ object FFmpegCommand {
         return FFmpegCmd.instance?.getMediaInfo(path, type)
     }
 
+    /**
+     * Get media codec info
+     *
+     * @param path media path
+     * @param type media property type [CodecProperty]
+     * @return media codec info [CodecInfo]
+     */
+    @JvmStatic
+    fun getCodecInfo(path: String?, @CodecProperty type: Int): CodecInfo? {
+        return FFmpegCmd.instance?.getCodecProperty(path, type)
+    }
+
     /**
      * Get support for unpacking format
      *

ffmpeg/src/main/java/com/coder/ffmpeg/model/CodecInfo.kt

@@ -0,0 +1,7 @@
+package com.coder.ffmpeg.model
+
+data class CodecInfo(val id:Int, val name:String, val type:Int){
+    override fun toString(): String {
+        return "id = $id, name = $name, type = $type"
+    }
+}