Hi Robert,
On 4/3/09 12:37 AM, Robert Osfield wrote:
Undefined symbols:
"_img_convert", referenced from:
osgFFmpeg::FFmpegDecoderVideo::yuva420pToRgba(AVPicture*, AVPicture
const*, int, int)in FFmpegDecoderVideo.cpp.o
Not quite familiar. The code uses img_convert rather than
_img_convert so I'm curious where this one has been introduced.
Perhaps your ffmpeg plugin maps img_convert to _img_convert in some
way, but doesn't implement the later.
Can you check to see if your ffmpeg headers contain img_convert?
The header file contains
#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
attribute_deprecated int img_convert(AVPicture *dst, int dst_pix_fmt,
const AVPicture *src, int pix_fmt,
int width, int height);
#endif
I believe the '_' prefix is added to all exported functions in a library, it certainly
looks that way.
It seems like 'img_convert' (and img_resample and others which also are in a similar #if
LAVC_VERSION_INT block) is just not in libavcodec... I'm investigating that.
Cheers,
/ulrich
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