[FFmpeg-devel] [PATCH v3 1/6] lavc: add new API for iterating codecs and codec parsers

[Michael Niedermayer]

On Wed, Jan 31, 2018 at 08:25:50PM +0000, Josh de Kock wrote:
> Also replace linked list with an array.
> ---
>  configure              |   12 +-
>  doc/APIchanges         |    4 +
>  libavcodec/.gitignore  |    2 +
>  libavcodec/allcodecs.c | 1473 ++++++++++++++++++++++++++++--------------------
>  libavcodec/avcodec.h   |   31 +
>  libavcodec/parser.c    |   84 ++-
>  libavcodec/utils.c     |  112 ----
>  libavcodec/version.h   |    3 +
>  8 files changed, 971 insertions(+), 750 deletions(-)

breaks build
simple example:
cd buildhere && ../configure && make -j12
LD	ffmpeg_g
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0xd8): undefined reference to `ff_hap_encoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x4b8): undefined reference to `ff_libfdk_aac_encoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x4c0): undefined reference to `ff_libgsm_encoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x4c8): undefined reference to `ff_libgsm_ms_encoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x4d0): undefined reference to `ff_libilbc_encoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x4d8): undefined reference to `ff_libmp3lame_encoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x4e0): undefined reference to `ff_libopencore_amrnb_encoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x4e8): undefined reference to `ff_libopenjpeg_encoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x4f0): undefined reference to `ff_libopus_encoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x4f8): undefined reference to `ff_libspeex_encoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x500): undefined reference to `ff_libtheora_encoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x508): undefined reference to `ff_libtwolame_encoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x510): undefined reference to `ff_libvo_amrwbenc_encoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x518): undefined reference to `ff_libvorbis_encoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x520): undefined reference to `ff_libvpx_vp8_encoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x528): undefined reference to `ff_libvpx_vp9_encoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x530): undefined reference to `ff_libwebp_anim_encoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x538): undefined reference to `ff_libwebp_encoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x540): undefined reference to `ff_libx264_encoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x548): undefined reference to `ff_libx264rgb_encoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x550): undefined reference to `ff_libx265_encoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x558): undefined reference to `ff_libxavs_encoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x560): undefined reference to `ff_libxvid_encoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x568): undefined reference to `ff_libopenh264_encoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x12e8): undefined reference to `ff_libfdk_aac_decoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x12f0): undefined reference to `ff_libgsm_decoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x12f8): undefined reference to `ff_libgsm_ms_decoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x1300): undefined reference to `ff_libilbc_decoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x1308): undefined reference to `ff_libopencore_amrnb_decoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x1310): undefined reference to `ff_libopencore_amrwb_decoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x1318): undefined reference to `ff_libopenjpeg_decoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x1320): undefined reference to `ff_libopus_decoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x1328): undefined reference to `ff_libspeex_decoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x1330): undefined reference to `ff_libvorbis_decoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x1338): undefined reference to `ff_libvpx_vp8_decoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x1340): undefined reference to `ff_libvpx_vp9_decoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x1348): undefined reference to `ff_libzvbi_teletext_decoder'
libavcodec/libavcodec.a(allcodecs.o):(.rodata+0x1368): undefined reference to `ff_libopenh264_decoder'

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The worst form of inequality is to try to make unequal things equal.
-- Aristotle
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