修复兼容部分机型硬编码失败的问题。

Change-Id: Ib418740ff192f4daaa9c87e535bb4d5490987066

Author: SundoggyNew

sdk/video-link-android/src/main/java/com/tencent/iot/video/link/encoder/VideoEncoder.java

@@ -3,6 +3,7 @@
 import android.annotation.TargetApi;
 import android.media.MediaCodec;
 import android.media.MediaCodecInfo;
+import android.media.MediaCodecList;
 import android.media.MediaFormat;
 import android.os.Build;
 import android.os.Bundle;
@@ -27,17 +28,24 @@ public class VideoEncoder {
     private int MAX_BITRATE_LENGTH = 1000000;
     private int beginBitRate = 0;
 
+    private String firstSupportColorFormatCodecName = "";  //  OMX.qcom.video.encoder.avc 和 c2.android.avc.encoder 过滤，这两个h264编码性能好一些。如果都不支持COLOR_FormatYUV420Planar，就用默认的方式。
+
     public VideoEncoder(VideoEncodeParam param) {
         this.videoEncodeParam = param;
+        checkSupportedColorFormats();
         initMediaCodec();
     }
 
     private void initMediaCodec() {
         try {
-            mediaCodec = MediaCodec.createEncoderByType("video/avc");
+            if (!firstSupportColorFormatCodecName.isEmpty()) {
+                mediaCodec = MediaCodec.createByCodecName(firstSupportColorFormatCodecName);
+            } else {
+                mediaCodec = MediaCodec.createEncoderByType("video/avc");
+            }
             //height和width一般都是照相机的height和width。
             //TODO 因为获取到的视频帧数据是逆时针旋转了90度的，所以这里宽高需要对调
-            MediaFormat mediaFormat = MediaFormat.createVideoFormat("video/avc", videoEncodeParam.getHeight(), videoEncodeParam.getWidth());
+            MediaFormat mediaFormat = MediaFormat.createVideoFormat(MediaFormat.MIMETYPE_VIDEO_AVC, videoEncodeParam.getHeight(), videoEncodeParam.getWidth());
             //描述平均位速率（以位/秒为单位）的键。 关联的值是一个整数
             int bitRate = videoEncodeParam.getBitRate();
             if (bitRate > MAX_BITRATE_LENGTH) {
@@ -327,4 +335,36 @@ public void setEncoderListener(OnEncodeListener listener) {
     public void stop() {
         executor.shutdown();
     }
+
+    private void checkSupportedColorFormats() {
+        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
+            MediaCodecList codecList = new MediaCodecList(MediaCodecList.ALL_CODECS);
+            MediaCodecInfo[] codecInfos = codecList.getCodecInfos();
+
+            for (MediaCodecInfo codecInfo : codecInfos) {
+                if (!codecInfo.isEncoder()) {
+                    continue;
+                }
+
+                if (codecInfo.getName().equals("OMX.qcom.video.encoder.avc") || codecInfo.getName().equals("c2.android.avc.encoder")) {
+
+                    String[] supportedTypes = codecInfo.getSupportedTypes();
+                    for (String type : supportedTypes) {
+                        if (type.startsWith("video/")) {
+                            MediaCodecInfo.CodecCapabilities capabilities = codecInfo.getCapabilitiesForType(type);
+                            int[] colorFormats = capabilities.colorFormats;
+                            for (int colorFormat : colorFormats) {
+
+                                if (colorFormat == MediaCodecInfo.CodecCapabilities.COLOR_FormatYUV420Planar) {
+                                    Log.d("TAG", "Video encoder: " + codecInfo.getName() + ", supported color format: " + colorFormat);
+                                    firstSupportColorFormatCodecName = codecInfo.getName();
+                                    return;
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
 }