在预览视频时对视频应用过滤器，并将其与应用的过滤器和原始音频一起保存在android中

我是视频处理新手。我想在运行时对视频应用过滤器，并在应用过滤器后保存该视频

关于这一点，我正在做一项研究。我浏览了很多图书馆，但我正在努力实现我的目标

开发环境 我试过了

AndroidFastImageprocessingLibrary

克里斯巴特->

此库使用GLSurfaceview显示筛选器，但我们无法将其保存到mp4文件

所以我在github中找到了它的另一个实现->AndroidFastImageProcessing

该库使用JavaCV编译ffmpeg。但它失败了

JavaCV

JavaCV使用过时的ffmpeg，因此被放弃

Grafika->

我在格拉菲卡用RecordFBOActivity尝试了Android快速图像处理。但我失败了。此库使用MediaRecorder记录GLSURFACHEVIEW的内容。但它录制的视频没有音频（我测试了RecordFBOActivity并分析了代码）

平台框架中的过滤器包

它的安卓4.2内核经过编辑。我无法运行此代码，因为jni依赖项太多

ffmpeg

我尝试了由guardianproject实现的ffmpeg3.1编译过程。它成功地建立了一个静态库，但我不能建立动态库（所以文件）。我被链接器错误卡住了。我认为链接顺序很重要。我尝试了下面链接中指定的链接顺序 但这没用。出现以下错误

[armeabi-v7a] SharedLibrary  : libffmpeg.so
jni/ffmpeg.c:200: error: undefined reference to 'av_frame_alloc'
jni/ffmpeg.c:201: error: undefined reference to 'av_frame_alloc'
jni/ffmpeg.c:209: error: undefined reference to 'av_register_all'
jni/ffmpeg.c:210: error: undefined reference to 'avfilter_register_all'
jni/ffmpeg.c:45: error: undefined reference to 'avformat_open_input'
jni/ffmpeg.c:50: error: undefined reference to 'avformat_find_stream_info'
jni/ffmpeg.c:56: error: undefined reference to 'av_find_best_stream'
jni/ffmpeg.c:63: error: undefined reference to 'av_opt_set_int'
jni/ffmpeg.c:66: error: undefined reference to 'avcodec_open2'
jni/ffmpeg.c:67: error: undefined reference to 'av_log'
jni/ffmpeg.c:78: error: undefined reference to 'avfilter_get_by_name'
jni/ffmpeg.c:79: error: undefined reference to 'avfilter_get_by_name'
jni/ffmpeg.c:80: error: undefined reference to 'avfilter_inout_alloc'
jni/ffmpeg.c:81: error: undefined reference to 'avfilter_inout_alloc'
jni/ffmpeg.c:85: error: undefined reference to 'avfilter_graph_alloc'
jni/ffmpeg.c:98: error: undefined reference to 'avfilter_graph_create_filter'
jni/ffmpeg.c:106: error: undefined reference to 'avfilter_graph_create_filter'
jni/ffmpeg.c:113: error: undefined reference to 'av_int_list_length_for_size'
jni/ffmpeg.c:113: error: undefined reference to 'av_opt_set_bin'
jni/ffmpeg.c:116: error: undefined reference to 'av_log'
jni/ffmpeg.c:131: error: undefined reference to 'av_strdup'
jni/ffmpeg.c:142: error: undefined reference to 'av_strdup'
jni/ffmpeg.c:147: error: undefined reference to 'avfilter_graph_parse_ptr'
jni/ffmpeg.c:151: error: undefined reference to 'avfilter_graph_config'
jni/ffmpeg.c:155: error: undefined reference to 'avfilter_inout_free'
jni/ffmpeg.c:156: error: undefined reference to 'avfilter_inout_free'
jni/ffmpeg.c:218: error: undefined reference to 'av_read_frame'
jni/ffmpeg.c:223: error: undefined reference to 'avcodec_decode_video2'
jni/ffmpeg.c:230: error: undefined reference to 'av_frame_get_best_effort_timestamp'
jni/ffmpeg.c:233: error: undefined reference to 'av_buffersrc_add_frame_flags'
jni/ffmpeg.c:234: error: undefined reference to 'av_log'
jni/ffmpeg.c:240: error: undefined reference to 'av_buffersink_get_frame'
jni/ffmpeg.c:171: error: undefined reference to 'av_rescale_q'
jni/ffmpeg.c:246: error: undefined reference to 'av_frame_unref'
jni/ffmpeg.c:248: error: undefined reference to 'av_frame_unref'
jni/ffmpeg.c:251: error: undefined reference to 'av_packet_unref'
jni/ffmpeg.c:254: error: undefined reference to 'avfilter_graph_free'
jni/ffmpeg.c:255: error: undefined reference to 'avcodec_close'
jni/ffmpeg.c:256: error: undefined reference to 'avformat_close_input'
jni/ffmpeg.c:257: error: undefined reference to 'av_frame_free'
jni/ffmpeg.c:258: error: undefined reference to 'av_frame_free'
jni/include/libavutil/error.h:111: error: undefined reference to 'av_strerror'
collect2.exe: error: ld returned 1 exit status
make: *** [obj/local/armeabi/libffmpeg.so] Error 1

MediaCodec、MediaExtractor、MediaRecord、MediaMuxer

最后，我计划将AndroidFastImageProcessing与MediaCodec、MediaExtractor、MediaRecord和MediaMuxer相结合

所以我尝试使用mediamuxer从视频中提取音频 . 我使用mp4视频（MIME类型的视频/avc，有2个音轨音频和视频）来提取音频，但结果文件已损坏（仅4KB）

我认为这个问题是对现有问题的另一种看法，如果有人遇到这个问题，请指导我。

我使用的是ffmpeg编译的；您可以选择添加opencv和一些疯狂的人脸检测库，但我编译了它（它将输出的大小增加了一倍）。

[armeabi-v7a] SharedLibrary  : libffmpeg.so
jni/ffmpeg.c:200: error: undefined reference to 'av_frame_alloc'
jni/ffmpeg.c:201: error: undefined reference to 'av_frame_alloc'
jni/ffmpeg.c:209: error: undefined reference to 'av_register_all'
jni/ffmpeg.c:210: error: undefined reference to 'avfilter_register_all'
jni/ffmpeg.c:45: error: undefined reference to 'avformat_open_input'
jni/ffmpeg.c:50: error: undefined reference to 'avformat_find_stream_info'
jni/ffmpeg.c:56: error: undefined reference to 'av_find_best_stream'
jni/ffmpeg.c:63: error: undefined reference to 'av_opt_set_int'
jni/ffmpeg.c:66: error: undefined reference to 'avcodec_open2'
jni/ffmpeg.c:67: error: undefined reference to 'av_log'
jni/ffmpeg.c:78: error: undefined reference to 'avfilter_get_by_name'
jni/ffmpeg.c:79: error: undefined reference to 'avfilter_get_by_name'
jni/ffmpeg.c:80: error: undefined reference to 'avfilter_inout_alloc'
jni/ffmpeg.c:81: error: undefined reference to 'avfilter_inout_alloc'
jni/ffmpeg.c:85: error: undefined reference to 'avfilter_graph_alloc'
jni/ffmpeg.c:98: error: undefined reference to 'avfilter_graph_create_filter'
jni/ffmpeg.c:106: error: undefined reference to 'avfilter_graph_create_filter'
jni/ffmpeg.c:113: error: undefined reference to 'av_int_list_length_for_size'
jni/ffmpeg.c:113: error: undefined reference to 'av_opt_set_bin'
jni/ffmpeg.c:116: error: undefined reference to 'av_log'
jni/ffmpeg.c:131: error: undefined reference to 'av_strdup'
jni/ffmpeg.c:142: error: undefined reference to 'av_strdup'
jni/ffmpeg.c:147: error: undefined reference to 'avfilter_graph_parse_ptr'
jni/ffmpeg.c:151: error: undefined reference to 'avfilter_graph_config'
jni/ffmpeg.c:155: error: undefined reference to 'avfilter_inout_free'
jni/ffmpeg.c:156: error: undefined reference to 'avfilter_inout_free'
jni/ffmpeg.c:218: error: undefined reference to 'av_read_frame'
jni/ffmpeg.c:223: error: undefined reference to 'avcodec_decode_video2'
jni/ffmpeg.c:230: error: undefined reference to 'av_frame_get_best_effort_timestamp'
jni/ffmpeg.c:233: error: undefined reference to 'av_buffersrc_add_frame_flags'
jni/ffmpeg.c:234: error: undefined reference to 'av_log'
jni/ffmpeg.c:240: error: undefined reference to 'av_buffersink_get_frame'
jni/ffmpeg.c:171: error: undefined reference to 'av_rescale_q'
jni/ffmpeg.c:246: error: undefined reference to 'av_frame_unref'
jni/ffmpeg.c:248: error: undefined reference to 'av_frame_unref'
jni/ffmpeg.c:251: error: undefined reference to 'av_packet_unref'
jni/ffmpeg.c:254: error: undefined reference to 'avfilter_graph_free'
jni/ffmpeg.c:255: error: undefined reference to 'avcodec_close'
jni/ffmpeg.c:256: error: undefined reference to 'avformat_close_input'
jni/ffmpeg.c:257: error: undefined reference to 'av_frame_free'
jni/ffmpeg.c:258: error: undefined reference to 'av_frame_free'
jni/include/libavutil/error.h:111: error: undefined reference to 'av_strerror'
collect2.exe: error: ld returned 1 exit status
make: *** [obj/local/armeabi/libffmpeg.so] Error 1