[FFmpeg-soc] libavfilter audio work - qualification task

S.N. Hemanth Meenakshisundaram smeenaks at ucsd.edu
Sat Apr 10 01:40:39 CEST 2010


On 04/09/2010 04:20 PM, Stefano Sabatini wrote:
> On date Saturday 2010-04-10 01:18:24 +0200, Stefano Sabatini encoded:
>    
>> On date Friday 2010-04-09 08:02:50 -0700, S.N. Hemanth Meenakshisundaram encoded:
>>      
>>> On 04/08/2010 09:54 PM, S.N. Hemanth Meenakshisundaram wrote:
>>>        
>>>> I removed the Makefile changes and added what you suggested above
>>>> into the configure script (as in configure.diff).
>>>> config.err still showed some errors initially and after tweaking
>>>> it a little, the errors stopped. (My headers are in
>>>> /usr/include/freetype).
>>>>          
>> [...]
>>      
>>>> Can you give me some pointers on what could be wrong. For the 1st
>>>> problem, I tried looking for any other places a new filter needs
>>>> to be registered/included and couldn't find any. For the 2nd,
>>>>
>>>> I am a newbie to configure scripts, so can you please explain what
>>>> the configure script lines actually mean.
>>>>          
>> For the moment use this:
>>
>> --- a/configure
>> +++ b/configure
>> @@ -2699,6 +2699,8 @@ enabled_any alsa_indev alsa_outdev&&  check_lib2 alsa/asou
>>
>>   enabled jack_indev&&  check_lib2 jack/jack.h jack_client_open -ljack
>>
>> +enabled drawtext_filter&&  add_cflags $(pkg-config --cflags freetype2)&&  requi
>> +
>>      
> Got mangled, the line to add is:
> enabled drawtext_filter&&  add_cflags $(pkg-config --cflags freetype2)&&  require libfreetype ft2build.h FT_Init_FreeType -lfreetype
>
>
>    
Thanks Stefano & Victor,

Removing earlier changes, adding freetype2 to HAVE_LIST and using :

+drawtext_filter_extralibs="-lfreetype -lz"
+check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType

also worked for me. I will now test and fix any problems in vf_drawtext.

A question on implementing vf_yadif :

Are fast_memcpy and memcpy_pic available in ffmpeg by any other name. I 
saw some old threads on the mailing lists discussing whether to port 
fast_memcpy.
Can I bring in fastmemcpy.h from mplayer?

Thanks


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