ffmpeg recipe possibly broken

[germn]

I'm trying to build simple possible app using video widget with buildozer.

requirements = hostpython2, kivy==1.9.1, ffmpeg

buildozer android_new debug

Error I'm getting:

./libpng_build.sh: line 17: ./configure: No such file or directory

Ubuntu 16.04 in VirtualBox, everything installed by instructions on site.

[inclement]

Just to check, this does not happen if you remove ffmpeg from the requirements?

[germn]

On removing ffmpeg from the requirements everything builds fine (except video doesn't work on Android).

Btw, is there any alternatives to ffmpeg to use video widget on Android? I didn't find it in docs, but looks like ffmpeg is the only way now, am I right?

[inclement]

I'm not sure about this, I haven't tried video. I'll try to look into
building the recipe when I have time though, feel free to open a
python-for-android github issue about it if there isn't one already.

On 31/10/16 22:50, Gerasimov Mikhail wrote:

On removing ffmpeg from the requirements everything builds fine (except
video doesn't work on Android).

Btw, is there any alternatives to ffmpeg to use video widget on Android?
I didn't find it in docs, but looks like ffmpeg is the only way now, am
I right?

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[germn]

Looks like problem comes from WritingMinds/ffmpeg-android used by this recipe, see this issue. There's also PR to fix it from may, but it didn't accepted yet.

Looking at project's state it seems to be dead or poorly maintained :(

What can be done in this case?

[KeyWeeUsr]

Fork under Kivy and fix it? If there's that PR and it works, it shouldn't be hard. If the project is going to die (or is dead anyway), this could be a solution. Pinging the repo author first might be a good idea.

[germn]

I tried to build project with updated link, but got new error later:

cd builds/unix; \
        ./configure  '--with-pic' '--with-sysroot=/home/kivy/test/.buildozer/android/platform/build/build/other_builds/ffmpeg/armeabi-v7a/ffmpeg/toolchain-android/sysroot' '--host=arm-linux-androideabi' '--enable-static' '--disable-shared' '--with-png=yes' '--with-zlib=yes' '--prefix=/home/kivy/test/.buildozer/android/platform/build/build/other_builds/ffmpeg/armeabi-v7a/ffmpeg/toolchain-android'
/bin/sh: 2: ./configure: not found
builds/unix/detect.mk:85: recipe for target 'setup' failed
make: *** [setup] Error 127

I have no idea how to fix it.

[germn]

Problem above was because ffmpeg-android need some dependences not mentioned anywhere in p4a:

sudo apt-get --quiet --yes install build-essential git autoconf libtool pkg-config gperf gettext yasm python-lxml

---

I'm trying to fix recipe for ffmpeg and add recipe for ffpyplayer:
https://github.com/germn/ffmpeg-android
https://github.com/germn/python-for-android

Looks like ffmpeg recipe is ok now: it compiles shared libraries without errors.

While I still can't create correct ffpyplayer recipe, it fails with errors:
http://pastebin.com/dvW3anP9

I don't understand why it happens since all libraries that can not be found exists in specified FFMPEG_LIB_DIR folder. Also manual installing of ffpyplayer (via setup.py) seems to be ok.

If you have any ideas how ffpyplayer recipe should be changed, feel free to help me with this.

[inclement]

Thanks for the detailed examination. Would you be interested in doing a PR to add these requirements to the doc somewhere?

[germn]

Should this requirements be added to p4a installing dependencies? I mean since ffmpeg is only lib that need it, may be there's some way to add dependencies for concrete recipe?

I of course will make PR for all this stuff when (and if) I'll be able to make it work. Right now current ffmpeg is broken anyway so just adding it's dependencies to docs wouldn't help.

I also not sure if fixed ffmpeg version is "correct": old ffmpeg recipe (when it was working) was building static libraries while fixed one builds shared (since ffpyplayer needs shared libraries). I don't understand reason of that yet and if static libs still actual.

[germn]

Current ffmpeg recipe can't be used to play Kivy video standard way (it's not only broken, but also compiles static ffmpeg while ffpyplayer video provider needs shared one).

I still don't understand why this recipe was added, but I think it can be removed since it's broken and confusing (ffpyplayer itself might need this recipe name for it's ffmpeg dependcy).

[SagitSri]

Then how die they added ffmpeg in kivy launcher?