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pudwerkin / pyffmpeg

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Trouble installing on mac os #44

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago 
What steps will reproduce the problem?
1.sudo python setup.py install

What is the expected output? What do you see instead?
I expected to be able to install it... instead I get this error message

---
running install
running build
running build_ext
cythoning pyffmpeg.pyx to pyffmpeg.c
building 'pyffmpeg' extension
C compiler: llvm-gcc-4.2 -fno-strict-aliasing -fno-common -dynamic -g -Os -pipe 
-fno-common -fno-strict-aliasing -fwrapv -mno-fused-madd -DENABLE_DTRACE 
-DMACOSX -DNDEBUG -Wall -Wstrict-prototypes -Wshorten-64-to-32 -DNDEBUG -g 
-fwrapv -Os -Wall -Wstrict-prototypes -DENABLE_DTRACE -arch i386 -arch x86_64 
-pipe

compile options: '-I/opt/ffmpeg/include -I/usr/include/ffmpeg -I./include 
-I/Library/Python/2.7/site-packages/numpy-2.0.0.dev_e2af7b7_20110721-py2.7-macos
x-10.7-x86_64.egg/numpy/core/include 
-I/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c'
llvm-gcc-4.2: pyffmpeg.c
pyffmpeg.c:1:2: error: #error Do not use this file, it is the result of a 
failed Cython compilation.
pyffmpeg.c:1:2: error: #error Do not use this file, it is the result of a 
failed Cython compilation.
lipo: can't open input file: /var/tmp//cc7If9Mb.out (No such file or directory)
pyffmpeg.c:1:2: error: #error Do not use this file, it is the result of a 
failed Cython compilation.
pyffmpeg.c:1:2: error: #error Do not use this file, it is the result of a 
failed Cython compilation.
lipo: can't open input file: /var/tmp//cc7If9Mb.out (No such file or directory)

---

What version of the product are you using? On what operating system?
I'm using OS X 10.7.2, python 2.7.1, Cython 0.15.1, that's about it. I've tried 
both pyffmpeg2.1 and 2.0, to no avail. Any help would be greatly welcome!

Original issue reported on code.google.com by alexsuse...@gmail.com on 19 Oct 2011 at 2:56

GoogleCodeExporter commented 9 years ago 
I've also posted it on stack overflow, if anyone is interested 
http://stackoverflow.com/questions/7823082/problems-installing-pyffmpeg-on-mac-o
s-x

Original comment by alexsuse...@gmail.com on 19 Oct 2011 at 3:08

GoogleCodeExporter commented 9 years ago 
It is probably related to the fact that the modern version of cython, you are 
using...
I have to update the code. There are many recent posts related to this issue 
__new__ should be replaced by __cinit__ everywhere in the code. I hope we'll 
find time to provide a new version to everyone soon. I am working on it, but 
unfortunately at very slow pace.

Original comment by bertrand...@gmail.com on 19 Oct 2011 at 10:23

GoogleCodeExporter commented 9 years ago 
So, I've substituted __new__ for __cinit__ and change the signatures from cdef 
to def, as this was giving me another error, and now I still get errors, but 
I've looked at the included files in the c compiling and I couldn't find it, so 
that might be the error, I've got ffmpegx installed and ffmpeg in macports, I'm 
installing ffmpeg-devel to see if it helps. By the way, it would be great to 
have a dependency listing somewhere, have I overlooked it?

thanks for the help!

Original comment by alexsuse...@gmail.com on 20 Oct 2011 at 7:57

GoogleCodeExporter commented 9 years ago 
Ok, so I've narrowed it down to a problem with the __registered variable, 
apparently the function py_av_register_all() is confusing what should be the 
global variable __registered with a local variable which hasn't been assigned. 
I've pasted the resulting code below. Is it maybe a problem with how you define 
local and global variables in cython?

thanks again!
---
sampa:pyffmpeg-2.1beta alex$ sudo python setup.py install
running install
running build
running build_ext
cythoning pyffmpeg.pyx to pyffmpeg.c
warning: pyffmpeg.pyx:1904:49: Unreachable code

Error compiling Cython file:
------------------------------------------------------------
...
##################################################################

def py_av_register_all():
    if __registered:
                  ^
------------------------------------------------------------

pyffmpeg.pyx:705:19: local variable '__registered' referenced before assignment
building 'pyffmpeg' extension
C compiler: llvm-gcc-4.2 -fno-strict-aliasing -fno-common -dynamic -g -Os -pipe 
-fno-common -fno-strict-aliasing -fwrapv -mno-fused-madd -DENABLE_DTRACE 
-DMACOSX -DNDEBUG -Wall -Wstrict-prototypes -Wshorten-64-to-32 -DNDEBUG -g 
-fwrapv -Os -Wall -Wstrict-prototypes -DENABLE_DTRACE -arch i386 -arch x86_64 
-pipe

compile options: '-I/opt/ffmpeg/include -I/usr/include/ffmpeg -I./include 
-I/Library/Python/2.7/site-packages/numpy-2.0.0.dev_e2af7b7_20110721-py2.7-macos
x-10.7-x86_64.egg/numpy/core/include 
-I/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c'
llvm-gcc-4.2: pyffmpeg.c
pyffmpeg.c:1:2: error: #error Do not use this file, it is the result of a 
failed Cython compilation.
pyffmpeg.c:1:2: error: #error Do not use this file, it is the result of a 
failed Cython compilation.
lipo: can't open input file: /var/tmp//ccXZr5zV.out (No such file or directory)
pyffmpeg.c:1:2: error: #error Do not use this file, it is the result of a 
failed Cython compilation.
pyffmpeg.c:1:2: error: #error Do not use this file, it is the result of a 
failed Cython compilation.
lipo: can't open input file: /var/tmp//ccXZr5zV.out (No such file or directory)
error: Command "llvm-gcc-4.2 -fno-strict-aliasing -fno-common -dynamic -g -Os 
-pipe -fno-common -fno-strict-aliasing -fwrapv -mno-fused-madd -DENABLE_DTRACE 
-DMACOSX -DNDEBUG -Wall -Wstrict-prototypes -Wshorten-64-to-32 -DNDEBUG -g 
-fwrapv -Os -Wall -Wstrict-prototypes -DENABLE_DTRACE -arch i386 -arch x86_64 
-pipe -I/opt/ffmpeg/include -I/usr/include/ffmpeg -I./include 
-I/Library/Python/2.7/site-packages/numpy-2.0.0.dev_e2af7b7_20110721-py2.7-macos
x-10.7-x86_64.egg/numpy/core/include 
-I/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c 
pyffmpeg.c -o build/temp.macosx-10.7-intel-2.7/pyffmpeg.o" failed with exit 
status 1

Original comment by alexsuse...@gmail.com on 20 Oct 2011 at 8:42

GoogleCodeExporter commented 9 years ago 
Well the fix should be just declare the variable before :
Well sorry to make you work

The fix should simply be, write before the def :

__registered=False

Thanks for your efforts. 
BTW, you are right for the dependency list for each platform.
Most programmers now C-dependencies for compiling involve to have the 
"devel"-package. But it would be nice to have clean instructions and automated 
build on all platforms... A project... we have never been able to make concrete 
so far.

Original comment by bertrand...@gmail.com on 20 Oct 2011 at 9:11

GoogleCodeExporter commented 9 years ago 
Ok, so the problem is the __registered is defined beforehand in the code, which 
just makes the whole thing spooky! I've moved the definition to before the 
function definition so it actually shows in the error message:
--
...
cdef __registered
__registered = False

def py_av_register_all():
    if __registered:
                  ^
------------------------------------------------------------

pyffmpeg.pyx:703:19: local variable '__registered' referenced before assignment

I don't know why he's looking for a local variable...

I'm fine working on it a bit, as long as I don't take months to do it.

Original comment by alexsuse...@gmail.com on 20 Oct 2011 at 9:26

GoogleCodeExporter commented 9 years ago 
Has anyone managed to fix this? I've ran into exactly the same thing on 
FreeBSD. If no one fixed this I can have a look at it I just don't want to 
reinvent the wheel

Original comment by c...@yornet.net on 14 Nov 2011 at 4:31

GoogleCodeExporter commented 9 years ago 
Hi, I've managed to get around it, basically I did a find-replace of "cdef 
__new__:" for "def __cinit:" and changed the line above to
def py_av_register_all():
    global __registered
    if __registered:
...

It did compile, but I still couldn't manage to get all the libraries linked, so 
I'm not sure if it's 100% functional.

I'm not sure if I should upload the changes, any dev want to venture a comment?
Alex.

Original comment by alexsuse...@gmail.com on 14 Nov 2011 at 4:36

GoogleCodeExporter commented 9 years ago 
I got it to compile on 10.7 for Python 2.7 (macports) with ffmpeg-devel 
@20111104_0+nonfree (also macports). 

Changes needed to pyffmpeg.pyx:

1) replace "cdef __new__" with "def __cinit__" as mentioned above
2) add global __registered as mentioned above
3) search/replace "CODEC_TYPE" with "AVMEDIA_TYPE" (I guess ffmpeg devs changed 
this)
4) remove all references to "hurry_up" (ffmpeg devs say it's deprecated and 
removed from ffmpeg)
5) search/replace "guess_format" with "av_guess_format" (otherwise import fails 
with "no such symbol: _guess_format")

Also some path tweaking in setup.py was needed so it would recognize macports 
includes.

With these changes the module can be imported into python without errors and 
the interpreter recognizes module members... but it crashes after calling 
FFMpegReader.open() on a file.

Not sure if #5 is legal... but Python complained it couldn't find guess_format 
symbol and indeed there is no such symbol in libavcodec or libavformat but I 
found the av_guess_format which sounds similar. Maybe these two are not 
interchangeable and pyffmpeg needs a thorough refactoring.

Also not sure if #4 has other ramifications. Maybe it needs to be replaced with 
something else.

Obviously pyffmpeg needs to be updated to use the latest ffmpeg source before 
it can be compiled.

This is my first experience with cython and ffmpeg so maybe these changes don't 
make any sense... but at least I got it to compile and import into python.

I'll post a patch if I get it all to work properly.

Original comment by vvrb...@gmail.com on 17 Nov 2011 at 1:55

GoogleCodeExporter commented 9 years ago 
I got as far as you did. Thanks for the work! It doesn't crash for me though. I 
was obviously missing the ffmpeg-devel library and was linking with the wrong 
path in the setup.py. I'll fiddle around a bit more, let you know if I stumble 
onte something.

Best.
Alex.

Original comment by alexsuse...@gmail.com on 17 Nov 2011 at 8:16

GoogleCodeExporter commented 9 years ago

Original comment by flier...@gmail.com on 24 Nov 2011 at 5:42

Attachments:

GoogleCodeExporter commented 9 years ago 
Hey,

I tried the above fix and managed to complete the python setup.py install.  But 
when I import i get:

ImportError: dlopen(/usr/local/lib/python2.7/site-packages/pyffmpeg.so, 2): 
Symbol not found: _av_close_input_file
  Referenced from: /usr/local/lib/python2.7/site-packages/pyffmpeg.so
  Expected in: dynamic lookup

Any ideas?
For reference I'm on Os 10.6 and python 2.7.2

Regards,
Graham

Original comment by gr.ed.bo...@gmail.com on 29 Nov 2011 at 7:17

GoogleCodeExporter commented 9 years ago 
Just ran into this issue myself, Mac OS X 10.7.2 (Lion), Xcode 4.2, using 
pyffmpeg-2.1beta,

$ python setup.py build
...
pyffmpeg.pyx:808:4: __new__ method of extension type will change semantics in a 
future version of Pyrex and Cython. Use __cinit__ instead.
...

Have the changes described above been applied to the repository yet? I've had a 
look at the SVN, but can't see any recent changes on 
http://code.google.com/p/pyffmpeg/source/browse/ - but then I found the 
"unofficial" github repository instead, https://github.com/mhaller/pyffmpeg/ - 
but here too both the master and v2.2alpha branches are using __new__ still.

Original comment by p.j.a.c...@googlemail.com on 13 Jan 2012 at 4:19

GoogleCodeExporter commented 9 years ago 
See also these patches from Robert Kern (NumPy developer), see:
http://mail.scipy.org/pipermail/numpy-discussion/2012-January/059865.html

>> Thanks for the suggestion.
>>
>> Sadly right now pyffmpeg won't install on Mac OS X,
>> at least not with the version of Cython I have installed:
>> http://code.google.com/p/pyffmpeg/issues/detail?id=44
>>
>> There doesn't seem to have been any activity on the
>> official repository for some time either.
>
> Oh, right, I had to fix those, too. I've attached the patches that I
> used. I used MacPorts to install the ffmpeg libraries, so I modified
> the paths in the setup.py appropriately.

Original comment by p.j.a.c...@googlemail.com on 18 Jan 2012 at 10:55

Attachments:

GoogleCodeExporter commented 9 years ago 
Why aren't these patches merged into the downloadable version yet?

Original comment by nickreta...@gmail.com on 2 Feb 2012 at 9:39

GoogleCodeExporter commented 9 years ago 
Good news, everyone!

For your convenience, I have applied the patches mentioned above + some new 
needed fixes and put them up at https://github.com/vvrbanc/pyffmpeg

My repo is a fork of https://github.com/mhaller/pyffmpeg, which is the latest 
available unofficial version from one of the project maintainers.
It compiles against current macport of ffmpeg-devel, which is @20111104 as of 
Feb 20. 2012.
If you have issues with my fork, please post your comments at github, not here. 

An alternative approach to compiling pyffmpeg is to get latest mhaller's 
version from git://github.com/mhaller/pyffmpeg.git and compile it against the 
FFmpeg version he used... it's listed in the README file on github.

Basically, just go to https://github.com/mhaller/pyffmpeg and 
https://github.com/FFmpeg/FFmpeg/tree/35d7d6f7489c75aaa2fcb39820fb25b0fd44524b 
, download repos as zipballs, compile, install.

If you're installing FFmpeg to an alternative location, remember to edit 
setup.py for pyffmpeg at line 34 and include your new path.

Cheers,
Vedran

Original comment by vvrb...@gmail.com on 20 Feb 2012 at 9:24

GoogleCodeExporter commented 9 years ago 
@16: Building fails with the following error message and setup from your Git 
repository:

$ python2 setup.py build
pyffmpeg.c: In function '__pyx_import_star_set':
pyffmpeg.c:22675:38: error: incompatible types when assigning to type 'struct 
AVRational' from type 'int'

cython 0.16
ffmpeg 1:0.11.1
python2 2.7.3

pyffmpeg.c: http://pastebin.com/atatvCzS (relevant function)

Original comment by mschu.dev@gmail.com on 23 Jul 2012 at 3:59

GoogleCodeExporter commented 9 years ago 
my build fails with the same error message too; I have filed a new issue on 
google code.lets see.

Original comment by mani.bak...@gmail.com on 17 Sep 2012 at 9:26

GoogleCodeExporter commented 9 years ago 
[deleted comment]
GoogleCodeExporter commented 9 years ago 
I've installed ffmpeg with brew

I have the latest version of the fixed pyffmpeg supplied by Vedran Vrbanc 
(thank you)

https://github.com/vvrbanc/pyffmpeg.git

I've posted an gist here with the compile error:  

https://gist.github.com/pjakobsen/6390588

Any hints would be much appreciated?  I suspect this may be happening because 
brew installs the latest version of ffmpeg, which is either not a development 
version or is incompatible with the dependencies required by this particular 
version of pyffmpeg. Am I on the right track?  I'm reluctant to start 
installing ffmpeg with port because I hear running both port and brew can mess 
up OS X

Original comment by pjakob...@gmail.com on 30 Aug 2013 at 2:52