From 79625ea94b005d08a7f6d8201f05ac94e686d8bc Mon Sep 17 00:00:00 2001
From: xufulong <839789740@qq.com>
Date: Thu, 21 Nov 2019 01:36:15 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A7=86=E9=A2=91=E8=BD=ACgif:=E8=AE=BE?=
 =?UTF-8?q?=E7=BD=AE=E5=88=86=E8=BE=A8=E7=8E=87=E3=80=81=E5=B8=A7=E7=8E=87?=
 =?UTF-8?q?=E6=9D=A5=E6=8F=90=E9=AB=98=E8=B4=A8=E9=87=8F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

视频转gif:设置分辨率、帧率来提高质量
---
 .../frank/ffmpeg/activity/VideoHandleActivity.java  |  5 ++++-
 .../main/java/com/frank/ffmpeg/util/FFmpegUtil.java | 13 ++++++++-----
 2 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/app/src/main/java/com/frank/ffmpeg/activity/VideoHandleActivity.java b/app/src/main/java/com/frank/ffmpeg/activity/VideoHandleActivity.java
index 4ee0454..cbef6b2 100644
--- a/app/src/main/java/com/frank/ffmpeg/activity/VideoHandleActivity.java
+++ b/app/src/main/java/com/frank/ffmpeg/activity/VideoHandleActivity.java
@@ -156,7 +156,10 @@ public class VideoHandleActivity extends BaseActivity {
                 String Video2Gif = PATH + File.separator + "Video2Gif.gif";
                 int gifStart = 30;
                 int gifDuration = 5;
-                commandLine = FFmpegUtil.generateGif(srcFile, gifStart, gifDuration, Video2Gif);
+                String resolution = "720x1280";//240x320、480x640、1080x1920
+                int frameRate = 10;
+                commandLine = FFmpegUtil.generateGif(srcFile, gifStart, gifDuration,
+                        resolution, frameRate, Video2Gif);
                 break;
             case R.id.btn_screen_record://屏幕录制
 //                String screenRecord = PATH + File.separator + "screenRecord.mp4";
diff --git a/app/src/main/java/com/frank/ffmpeg/util/FFmpegUtil.java b/app/src/main/java/com/frank/ffmpeg/util/FFmpegUtil.java
index 146204c..e2a0031 100644
--- a/app/src/main/java/com/frank/ffmpeg/util/FFmpegUtil.java
+++ b/app/src/main/java/com/frank/ffmpeg/util/FFmpegUtil.java
@@ -173,14 +173,17 @@ public class FFmpegUtil {
      * @param startTime 开始时间
      * @param duration 截取时长
      * @param targetFile 目标文件
+     * @param resolution 分辨率
+     * @param frameRate 帧率
      * @return Gif文件
      */
     @SuppressLint("DefaultLocale")
-    public static  String[] generateGif(String srcFile, int startTime, int duration, String targetFile){
-        //String screenShotCmd = "ffmpeg -i %s -vframes %d -f gif %s";
-        String screenShotCmd = "ffmpeg -i %s -ss %d -t %d -s 320x240 -f gif %s";
-        screenShotCmd = String.format(screenShotCmd, srcFile, startTime, duration, targetFile);
-        return screenShotCmd.split(" ");//以空格分割为字符串数组
+    public static  String[] generateGif(String srcFile, int startTime, int duration,
+                                        String resolution, int frameRate, String targetFile){
+        String generateGifCmd = "ffmpeg -i %s -ss %d -t %d -s %s -r %d -f gif %s";
+        generateGifCmd = String.format(generateGifCmd, srcFile, startTime, duration,
+                resolution, frameRate, targetFile);
+        return generateGifCmd.split(" ");//以空格分割为字符串数组
     }
 
     /**