Bug 59250 - Error linking ffmpeg in ANDROID
Summary: Error linking ffmpeg in ANDROID
Status: RESOLVED FIXED
Alias: None
Product: GStreamer SDK
Classification: Unclassified
Component: General (show other bugs)
Version: 2012.11
Hardware: ARM other
: medium normal
Assignee: bugs
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Reported: 2013-01-11 16:26 UTC by Luis Linietsky
Modified: 2013-03-12 01:11 UTC (History)
0 users

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Attachments
jni/Android.mk (872 bytes, text/plain)
2013-01-11 16:26 UTC, Luis Linietsky
Details
Fixed libgstffmpeg.la (2.45 KB, text/plain)
2013-01-11 21:17 UTC, Andoni Morales Alastruey
Details

Description Luis Linietsky 2013-01-11 16:26:26 UTC
Created attachment 72867 [details]
jni/Android.mk

Hi,
I have been testing the Android Tutorial5 from gstreamer-sdk. 
When I try to build the project with support for ffmpeg plugin, I keep getting following error:

luigi@Fender:~/workspace/Tutorial5$ ndk-build  
GStreamer      : [GEN] => gst-build/gstreamer_android.c
GStreamer      : [COMPILE] => gst-build/gstreamer_android.c
GStreamer      : [LINK] => gst-build/libgstreamer_android.so
/home/luigi/projects/android-ndk-r8d/toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86/bin/../lib/gcc/arm-linux-androideabi/4.6/../../../../arm-linux-androideabi/bin/ld.gold: /home/luigi/projects/gstreamer-sdk/lib/libavcodec.a(flashsvenc.o): in function flashsv_encode_frame:libavcodec/flashsvenc.c:169: error: undefined reference to 'compress2'
/home/luigi/projects/android-ndk-r8d/toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86/bin/../lib/gcc/arm-linux-androideabi/4.6/../../../../arm-linux-androideabi/bin/ld.gold: /home/luigi/projects/gstreamer-sdk/lib/libavcodec.a(tiffenc.o): in function encode_strip:libavcodec/tiffenc.c:165: error: undefined reference to 'compress'

The .o files are referencing compress and compress2 from zlib, but the symbols in such library are z_compress and z_compress2 (there is a #define compress z_compress in the header), so i guess this is a compilation error? also I just need to use h264 from ffmpeg, so is there any plugin or module i can disable for this error not to happen? (I don't really need flash or tiff decoding)

I am attaching the jni/Android.mk file, is the only thing I changed in tutorial5 project.

Thanks,
Luigi
Comment 1 Andoni Morales Alastruey 2013-01-11 21:17:22 UTC
Created attachment 72875 [details]
Fixed libgstffmpeg.la

That's a bug in our side. To fix it, edit the file $ANDROID_SDK_ROOT/lib/gstreamer-0.10/static/libgstffmpeg.la and append "-lz" at the end the variable "dependency_libs".
Comment 2 Luis Linietsky 2013-01-11 21:24:10 UTC
Hi, I already noticed zlib was missing and did that same thing on that same file, however it was no good.
Could it be related to the following code I found in "includes/zconf.h" for the source code?

#  ifndef Z_SOLO
#    define compress              z_compress
#    define compress2             z_compress2
#    define compressBound         z_compressBound
#  endif

I bet that Z_SOLO must be defined yet compress, compress2 and compressBound don't.
Comment 3 Lubosz Sarnecki 2013-02-16 15:16:29 UTC
I still need to add -lz to libgstffmpeg.la when I use cerbero. This does not seem to be fixed.
Comment 4 Andoni Morales Alastruey 2013-02-16 17:22:52 UTC
(In reply to comment #3)
> I still need to add -lz to libgstffmpeg.la when I use cerbero. This does not
> seem to be fixed.

It's fixed, the one provided here. It's just that it's not in any release yet.
Comment 5 Andoni Morales Alastruey 2013-02-16 17:25:55 UTC
I am sorry, I it's not pushed yet :) Thanks for the reminder
Comment 6 Andoni Morales Alastruey 2013-02-18 01:03:20 UTC
commit 1f62a483137ccf630e710deb92ef34f50cc25a28
Author: Andoni Morales Alastruey <ylatuya@gmail.com>
Date:   Mon Feb 18 02:02:02 2013 +0100

    gst-ffmpeg-static: fix static link using the libtool libs
    
    Fixes #59250
Comment 7 Luis Linietsky 2013-02-18 20:37:20 UTC
Hi, I tried to check this but when I ran "cerbero package gstreamer-sdk" I am getting the following error, could it be related to this bug resolution?

[(77/87) gst-ffmpeg-static -> post_install ]
Traceback (most recent call last):
  File "/home/luigi/gstreamer/cerbero/cerbero/main.py", line 103, in run_command
    res = commands.run(command, self.config, self.args)
  File "/home/luigi/gstreamer/cerbero/cerbero/commands/__init__.py", line 78, in run
    return _commands[command].run(config, args)
  File "/home/luigi/gstreamer/cerbero/cerbero/commands/package.py", line 67, in run
    self._build_deps(config, p)
  File "/home/luigi/gstreamer/cerbero/cerbero/commands/package.py", line 89, in _build_deps
    cookbook=self.store.cookbook)
  File "/home/luigi/gstreamer/cerbero/cerbero/commands/build.py", line 70, in runargs
    oven.start_cooking()
  File "/home/luigi/gstreamer/cerbero/cerbero/build/oven.py", line 75, in start_cooking
    self._cook_recipe(recipe, i, len(ordered_recipes))
  File "/home/luigi/gstreamer/cerbero/cerbero/build/oven.py", line 108, in _cook_recipe
    ex))
FatalError: Fatal Error: Error performing step post_install: [Errno 2] No such file or directory: '/opt/gstreamer-sdk/lib/gstreamer-0.10/static/libgstffmpeg.la'
***** Error running 'package' command:
Fatal Error: Error performing step post_install: [Errno 2] No such file or directory: '/opt/gstreamer-sdk/lib/gstreamer-0.10/static/libgstffmpeg.la'
usage: cerbero-uninstalled [-h] [-c CONFIG]
                           
                           {add-recipe,tag,genxcconfig,genlibfiles,check,list-packages,build,add-package,genvsprops,shell,run,cleanone,packageinfo,buildone,wipe,debug-packages,package,bootstrap,list,checkpackage,deps,gensdkshell}
                           ...
Comment 8 Sebastian Dröge (slomo) 2013-02-19 08:08:45 UTC
(In reply to comment #7)

> FatalError: Fatal Error: Error performing step post_install: [Errno 2] No
> such file or directory:
> '/opt/gstreamer-sdk/lib/gstreamer-0.10/static/libgstffmpeg.la'

Can you paste the complete output of "buildone gst-ffmpeg-static" and afterwards "package gstreamer-sdk" again?
Comment 9 Sebastian Dröge (slomo) 2013-02-19 14:51:41 UTC
After you update cerbero (via git pull --rebase), everything should work when first building gst-ffmpeg-static again and then calling package gstreamer-sdk again (as explained in last comment).

I just fixed a build error in gst-ffmpeg-static that caused your last problem.
Comment 10 Luis Linietsky 2013-02-19 16:03:26 UTC
That fixed it. 
Thanks.
Comment 11 Ranyu 2013-03-12 01:11:10 UTC
the la does not fix my problem.  followed link here: http://gstreamer-devel.966125.n4.nabble.com/Several-problems-in-Gstreamer-Android-tt4658132.html#a4658806 and it works for me.


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