diff --git a/rtmpfile/src/main/cpp/ffmpeg_handle.cpp b/rtmpfile/src/main/cpp/ffmpeg_handle.cpp
index 18301df..5b948c2 100644
--- a/rtmpfile/src/main/cpp/ffmpeg_handle.cpp
+++ b/rtmpfile/src/main/cpp/ffmpeg_handle.cpp
@@ -325,7 +325,7 @@ int y_length;
 int uv_length;
 int width = 480;
 int height = 320;
-int fps = 20;
+int fps = 15;
 
 /**
  * 初始化
@@ -490,7 +490,6 @@ Java_com_wangheart_rtmpfile_ffmpeg_FFmpegHandle_onFrameCallback(JNIEnv *env, job
         avError(ret);
         return -2;
     }
-    count++;
     enc_pkt.stream_index = video_st->index;
     AVRational time_base = ofmt_ctx->streams[0]->time_base;//{ 1, 1000 };
     enc_pkt.pts = count * (video_st->time_base.den) / ((video_st->time_base.num) * fps);
@@ -504,10 +503,25 @@ Java_com_wangheart_rtmpfile_ffmpeg_FFmpegHandle_onFrameCallback(JNIEnv *env, job
                         (long long) enc_pkt.duration,
                         time_base.num, time_base.den);
     enc_pkt.pos = -1;
+//    AVRational time_base_q = {1, AV_TIME_BASE};
+//    //计算视频播放时间
+//    int64_t pts_time = av_rescale_q(enc_pkt.dts, time_base, time_base_q);
+//    //计算实际视频的播放时间
+//    if (count == 0) {
+//        startTime = av_gettime();
+//    }
+//    int64_t now_time = av_gettime() - startTime;
+//    __android_log_print(ANDROID_LOG_WARN, "eric", "delt time :%lld", (pts_time - now_time));
+//    if (pts_time > now_time) {
+//        //睡眠一段时间（目的是让当前视频记录的播放时间与实际时间同步）
+//        av_usleep((unsigned int) (pts_time - now_time));
+//    }
+
     ret = av_interleaved_write_frame(ofmt_ctx, &enc_pkt);
     if (ret != 0) {
         loge("av_interleaved_write_frame failed");
     }
+    count++;
     env->ReleaseByteArrayElements(buffer_, in, 0);
     return 0;
 
diff --git a/rtmpfile/src/main/java/com/wangheart/rtmpfile/CameraActivity.java b/rtmpfile/src/main/java/com/wangheart/rtmpfile/CameraActivity.java
index cdbaa34..e2d3977 100644
--- a/rtmpfile/src/main/java/com/wangheart/rtmpfile/CameraActivity.java
+++ b/rtmpfile/src/main/java/com/wangheart/rtmpfile/CameraActivity.java
@@ -68,7 +68,7 @@ private void init() {
         mHolder = sv.getHolder();
         mHolder.addCallback(this);
         String path = Environment.getExternalStorageDirectory().getAbsolutePath() + File.separator + "CameraDemo1" + File.separator + "test.flv";
-        FFmpegHandle.getInstance().initVideo(path);
+        FFmpegHandle.getInstance().initVideo(url);
     }
 
     @Override
@@ -103,8 +103,15 @@ private Camera getCamera() {
                 try {
                     Camera.Parameters parameters = camera.getParameters();
                     //对拍照参数进行设置
+                    for (Camera.Size size : parameters.getSupportedPictureSizes()) {
+                        LogUtils.d(size.width + "  " + size.height);
+                    }
+                    LogUtils.d("============");
+                    for (Camera.Size size : parameters.getSupportedPreviewSizes()) {
+                        LogUtils.d(size.width + "  " + size.height);
+                    }
                     parameters.setPreviewSize(screenWidth, screenHeight); // 设置预览照片的大小
-                    parameters.setPreviewFpsRange(20000, 30000);
+                    parameters.setPreviewFpsRange(30000, 30000);
                     parameters.setPictureFormat(ImageFormat.NV21); // 设置图片格式
                     parameters.setPictureSize(screenWidth, screenHeight); // 设置照片的大小
                     camera.setParameters(parameters);
@@ -178,7 +185,7 @@ protected Void doInBackground(Void... params) {
             if (mData != null) {
                 encodeTime = System.currentTimeMillis();
                 FFmpegHandle.getInstance().onFrameCallback(mData);
-                LogUtils.d(count++ + "消耗时间:" + (System.currentTimeMillis() - encodeTime));
+                LogUtils.d((++count) + "消耗时间:" + (System.currentTimeMillis() - encodeTime));
             }
             return null;
         }
@@ -215,7 +222,7 @@ public void run() {
                     LogUtils.w("编码第:" + (encodeCount++) + "帧，耗时:" + (System.currentTimeMillis() - encodeTime));
                 }
             });
-            LogUtils.d("采集第:" + (count++) + "帧，距上一帧间隔时间:"
+            LogUtils.d("采集第:" + (++count) + "帧，距上一帧间隔时间:"
                     + (endTime - previewTime) + "  " + Thread.currentThread().getName());
             previewTime = endTime;
         }