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【Android 音视频开发打怪升级】系列文章示例代码(A demo to introduce how to develop android video)。本项目将从MediaCodec硬解,FFmpeg软解,OpenGL等方面,全方位讲解如何在Android上进行音视频编辑开发。

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``` JNIEXPORT void JNICALL Java_com_cxp_learningvideo_FFEncodeActivity_releaseEncoder(JNIEnv *env, jobject thiz, jint synthesizer) { Synthesizer *s = (Synthesizer *)synthesizer; delete synthesizer; } ``` 源native-lib.cpp中这里` delete synthesizer `这一行报错: ...\LearningVideo-master\app\src\main\cpp\native-lib.cpp:137:9: error: cannot delete expression of...

提示找不到视频,我导入视频到根目录(mvtest.mp4),接下来就是崩溃

这句代码执行的时候抛出来的mExtractor?.setDataSource(path),这是什么情况呢?

对大佬很佩服,这不是提问题,算是本身自己的一个疑问,在AudioDecode里面,将AudioTrack的构造方法改了以后放出来的音频音色变了 ![image](https://user-images.githubusercontent.com/16014068/78354609-c23a1f80-75de-11ea-95a9-2e02542ffd65.png) 感觉像是采样率可能有问题,但是两种构造传进去的都是相同的参数。。。 实在不明白,只能厚着脸皮问大佬了,希望大佬不要介意。

2019-12-30 01:46:47.765 24449-24449/com.cxp.learningvideo E/AndroidRuntime: FATAL EXCEPTION: main Process: com.cxp.learningvideo, PID: 24449 java.lang.NullPointerException: Attempt to read from null array at android.opengl.Matrix.scaleM(Matrix.java:472) at com.cxp.learningvideo.opengl.drawer.VideoDrawer.scale(VideoDrawer.kt:296) at com.cxp.learningvideo.EGLPlayerActivity$initSecondVideo$2.run(EGLPlayerActivity.kt:60) at android.os.Handler.handleCallback(Handler.java:792) at android.os.Handler.dispatchMessage(Handler.java:98) at android.os.Looper.loop(Looper.java:176)...

2019-12-05 11:07:04.566 3052-3121/com.cxp.learningvideo I/BaseDecoder: 开始解码 2019-12-05 11:07:04.569 321-3133/? D/ROCKCHIP_VIDEO_DEC: Rkvpu_SendInputData(370): Rkvpu_SendInputData malloc 2019-12-05 11:07:04.569 321-3133/? D/vpu_api: vpu_api_init in, extra_size: 28 2019-12-05 11:07:04.570 326-782/? D/MediaBufferGroup: creating MemoryDealer 2019-12-05 11:07:04.573 321-3133/? I/H264_DEBUG:...

播放内置视频时,只有声音,没有画面,好像也没报啥错呢。能帮忙看下吗