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ffmpegvideo's Issues

请教一下视频合成问题

大佬,我运行了你的demo然后按照你的写法写了一个demo,但是出现在视频和音频合成的时候,合成的结果只是1秒的视频,原视频大概是6秒左右,我的ffempeg so文件不是用的你的,

线程安全

如果多个线程执行runcmd, 应该是不安全的吧?
因为ffmpeg.c的代码使用了大量的全局变量,
所以应该同时多个线程执行多个命令会有问题?

问题咨询

大佬, 我完美运行了你的项目, 现在有一个问题, 项目中的背景音乐合成, 为视频/音频录制后, 再合成的, 能否做成实时的? 类似与喜马拉雅FM的录制功能, 录音与背景音乐实时录制, 还支持试听

今日头条互娱研发上海HR Sunny的问候

您好,我是今日头条互娱研发上海HR Sunny,有幸看到您的FFmpeg相关项目分享,希望有机会和您认识,不知道是否方便加个微信沟通,我的微信是fengzhigu-s,期待您的回复。

想请教下视屏拼接的问题!

String concatAudioCmd = "ffmpeg -i concat:%s|%s -acodec copy %s";
concatAudioCmd = String.format(concatAudioCmd, audio1, audio2, outputUrl);
return concatAudioCmd.split(" ");//以空格分割为字符串数组

concat命令没有拼接成功,是底层不支持吗?

视频加水印崩溃

有的视频添加水印会崩溃,崩溃日志:
07-30 12:18:34.787 865-996/? E/NativeCrashListener: Exception dealing with report
android.system.ErrnoException: read failed: EAGAIN (Try again)
at libcore.io.Posix.readBytes(Native Method)
at libcore.io.Posix.read(Posix.java:165)
at libcore.io.BlockGuardOs.read(BlockGuardOs.java:230)
at android.system.Os.read(Os.java:350)
at com.android.server.am.NativeCrashListener.consumeNativeCrashData(NativeCrashListener.java:240)
at com.android.server.am.NativeCrashListener.run(NativeCrashListener.java:138)

视频添加水印

我给视频添加水印,特别的慢,是怎么回事?
使用的命令如下:

String waterMarkCmd = "ffmpeg -i %s -i %s -filter_complex overlay=0:0 %s";
waterMarkCmd = String.format(waterMarkCmd, videoUrl, watermark, outputUrl);
return waterMarkCmd.split(" ");

多视频录制

你好,多视频录制不管用呢,下一步也没有合成

64位libffmpeg.so

应用商店需要更新64位so库,可以更新64位libffmpeg.so版本吗?

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