[FFmpeg-user] Regarding Reverse Video

[Kandarp]

On 3/10/2016 1:22 AM, Lou wrote:
> On Wed, 09 Mar 2016 11:43:59 +0530
> Kandarp<kandarp at sandaholdings.com>  wrote:
>
>> Hi Sir,
>>
>> In FFMPEG version 54
> I'm not exactly sure what you mean by "version 54".
>
>> reverse word not working in android
> "not working" is not descriptive at all. You should provide enough
> information so we can attempt to duplicate the issue: this includes your
> full, actual, unscripted command and the complete console output.
>
> Without this information there is nothing we can do to help you.
>
>> so i want to do like this
>> input.mp4   reverse output.mp4
> See reverse and areverse filters:
> <http://ffmpeg.org/ffmpeg-filters.html#reverse_002c-areverse>
>
>
Firstly sorry for the incomplete information. I am trying to reverse a 
video on android platform using the below given command

*command = "-i "  + sdcard  +"/VID.mp4 -vf reverse -y"+ sdcard +"/reverse.mp4";*


when i run this i am getting an error response saying

ffmpeg version N-63698-g22d1b24 Copyright (c) 2000-2014 the FFmpeg 
developers
   built on Jul 31 2014 05:09:10 with gcc 4.8 (GCC)
   configuration: --target-os=linux 
--cross-prefix=arm-linux-androideabi- --arch=arm --cpu=armv7-a 
--sysroot=/home/sb/Android/ndk/platforms/android-9/arch-arm 
--disable-avdevice --disable-decoder=h264_vdpau --enable-libx264 
--enable-gpl --prefix=../build/armeabi-v7a --extra-cflags='-I../x264 
-DANDROID -I${ANDROID_NDK_ROOT_PATH}/sources/cxx-stl/system/include 
-march=armv7-a -mfloat-abi=softfp' --extra-ldflags='-L../x264 
-Wl,--fix-cortex-a8 -L../android-libs -Wl,-rpath-link,../android-libs' 
--extra-cxxflags='-Wno-multichar -fno-exceptions -fno-rtti'
   libavutil      52. 89.100 / 52. 89.100
   libavcodec     55. 66.100 / 55. 66.100
   libavformat    55. 42.100 / 55. 42.100
   libavfilter     4.  5.100 /  4.  5.100
   libswscale      2.  6.100 /  2.  6.100
   libswresample   0. 19.100 /  0. 19.100
   libpostproc    52.  3.100 / 52.  3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 
'/storage/sdcard0/ReverseDemo/VID.mp4':
   Metadata:
     major_brand     : mp42
     minor_version   : 0
     compatible_brands: isommp42
     creation_time   : 2016-03-11 13:24:14
   Duration: 00:00:06.77, start: 0.000000, bitrate: 8268 kb/s
     Stream #0:0(eng): Video: h264 (Baseline) (avc1 / 0x31637661), 
yuv420p, 1280x720, 8259 kb/s, SAR 65536:65536 DAR 16:9, 35.74 fps, 90k 
tbr, 90k tbn, 180k tbc (default)
     Metadata:
       creation_time   : 2016-03-11 13:24:14
       handler_name    : VideoHandle
       encoder         : MOTO
[AVFilterGraph @ 0x14b8110] No such filter: 'reverse'
Error opening filters!


I would request you to let me know if i am doing something wrong or if 
there is a bug inside the library.

Thanking you,