I created FFmpeg on Android. I am trying to call main () in ffmpeg.c via JNI and pass it the arguments that it expects exactly as you did on the command line. When I added the ffmpeg.c file to my android.mk file, I got a couple of errors that were easily fixed by commenting on the line “#if HAVE_SYS_RESOURCE_H” at the top, which allowed the pair to be included. After that, I now have undefined referenced links that point to "cmdutils.h". Here are just some of my compilation errors ...
/home/kieran/workspace/VideoEditor//obj/local/armeabi/objs/ffmpeg/ffmpeg.o: In function `opt_audio_channels':
/home/kieran/workspace/VideoEditor//jni/ffmpeg/ffmpeg.c:2770: undefined reference to `parse_number_or_die'
/home/kieran/workspace/VideoEditor//obj/local/armeabi/objs/ffmpeg/ffmpeg.o: In function `opt_audio_rate':
/home/kieran/workspace/VideoEditor//jni/ffmpeg/ffmpeg.c:2764: undefined reference to `parse_number_or_die'
/home/kieran/workspace/VideoEditor`opt_me_threshold':
/home/kieran/workspace/VideoEditor//jni/ffmpeg/ffmpeg.c:2523: undefined reference to `parse_number_or_die'
/home/kieran/workspace/VideoEditor//obj/local/armeabi/objs/ffmpeg/ffmpeg.o: In function `opt_thread_count':
/home/kieran/workspace/VideoEditor//jni/ffmpeg/ffmpeg.c:2744: undefined reference to `parse_number_or_die'
/home/kieran/workspace/VideoEditor//obj/local/armeabi/objs/ffmpeg/ffmpeg.o: In function `opt_verbose':
/home/kieran/workspace/VideoEditor//jni/ffmpeg/ffmpeg.c:2529: undefined reference to `parse_number_or_die'
/home/kieran/workspace/VideoEditor`opt_bitrate':
/home/kieran/workspace/VideoEditor//jni/ffmpeg/ffmpeg.c:2546: undefined reference to `opt_default'
/home/kieran/workspace/VideoEditor//jni/ffmpeg/ffmpeg.c:2548: undefined reference to `avcodec_opts'
/home/kieran/workspace/VideoEditor//obj/local/armeabi/objs/ffmpeg/ffmpeg.o: In function `opt_rec_timestamp':
/home/kieran/workspace/VideoEditor//jni/ffmpeg/ffmpeg.c:2906: undefined reference to `parse_time_or_die'
/home/kieran/workspace/VideoEditor//obj/local/armeabi/objs/ffmpeg/ffmpeg.o: In function `opt_input_ts_offset':
/home/kieran/workspace/VideoEditor`parse_time_or_die'
/home/kieran/workspace/VideoEditor//obj/local/armeabi/objs/ffmpeg/ffmpeg.o: In function `opt_start_time':
/home/kieran/workspace/VideoEditor//jni/ffmpeg/ffmpeg.c:2900: undefined reference to `parse_time_or_die'
/home/kieran/workspace/VideoEditor//obj/local/armeabi/objs/ffmpeg/ffmpeg.o: In function `opt_recording_time':
/home/kieran/workspace/VideoEditor//jni/ffmpeg/ffmpeg.c:2894: undefined reference to `parse_time_or_die'
/home/kieran/workspace/VideoEditor//obj/local/armeabi/objs/ffmpeg/ffmpeg.o: In function `show_help':
/home/kieran/workspace/VideoEditor`show_help_options'
/home/kieran/workspace/VideoEditor//jni/ffmpeg/ffmpeg.c:3721: undefined reference to `show_help_options'
/home/kieran/workspace/VideoEditor//jni/ffmpeg/ffmpeg.c:3724: undefined reference to `show_help_options'
/home/kieran/workspace/VideoEditor//jni/ffmpeg/ffmpeg.c:3727: undefined reference to `show_help_options'
/home/kieran/workspace/VideoEditor//jni/ffmpeg/ffmpeg.c:3730: undefined reference to `show_help_options'
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