[Ffmpeg-devel] [PATCH] compile with demux only

[Stefan Gehrer]

Loic wrote:
> Hi,
>
> I'm trying to compile libavformat and libavcodec with demuxers only (I
> have a test program which only dumps the raw streams inside any
> container). I'm using the configure line:
> ./configure --enable-gpl --disable-encoders --disable-muxers --disable-decoders
>
> And I observe the following errors when trying to link libavformat and
> libavcodec in my program:
> libavformat/libavformat.a(rtp.o): In function `rtp_check_and_send_back_rr':
> libavformat/rtp.c:387: undefined reference to `url_open_dyn_buf'
> libavformat/rtp.c:443: undefined reference to `url_close_dyn_buf'
> libavcodec/libavcodec.a(parser.o): In function `cavsvideo_parse':
> libavcodec/parser.c:376: undefined reference to `ff_cavs_find_frame_end'
>   
I found the time to do something about the cavs parsing.
As said before, I moved the parsing into cavs.c and added the
proper ifdefs. I also needed to make mpeg4video_split from
parser.c public and thus renamed it to ff_mpeg4video_split.
This should make it possible to build with any combination of
CONFIG_CAVSVIDEO_PARSER and CONFIG_CAVS_DECODER.

Regards
Stefan Gehrer
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