[FFmpeg-devel] [PATCH] avfilter: add lv2 wrapper filter

[James Almer]

On 11/23/2017 6:16 PM, Paul B Mahol wrote:
> Signed-off-by: Paul B Mahol <onemda at gmail.com>
> ---
>  configure                |   4 +
>  doc/filters.texi         |  37 ++++
>  libavfilter/Makefile     |   1 +
>  libavfilter/af_lv2.c     | 552 +++++++++++++++++++++++++++++++++++++++++++++++
>  libavfilter/allfilters.c |   1 +
>  5 files changed, 595 insertions(+)
>  create mode 100644 libavfilter/af_lv2.c
> 
> diff --git a/configure b/configure
> index 3ec6407fb2..84c965ce4a 100755
> --- a/configure
> +++ b/configure
> @@ -283,6 +283,7 @@ External library support:
>    --enable-libzimg         enable z.lib, needed for zscale filter [no]
>    --enable-libzmq          enable message passing via libzmq [no]
>    --enable-libzvbi         enable teletext support via libzvbi [no]
> +  --enable-lv2             enable LV2 audio filtering [no]
>    --disable-lzma           disable lzma [autodetect]
>    --enable-decklink        enable Blackmagic DeckLink I/O support [no]
>    --enable-libndi_newtek   enable Newteck NDI I/O support [no]
> @@ -1631,6 +1632,7 @@ EXTERNAL_LIBRARY_LIST="
>      libzimg
>      libzmq
>      libzvbi
> +    lv2
>      mediacodec
>      openal
>      opengl
> @@ -3229,6 +3231,7 @@ hqdn3d_filter_deps="gpl"
>  interlace_filter_deps="gpl"
>  kerndeint_filter_deps="gpl"
>  ladspa_filter_deps="ladspa libdl"
> +lv2_filter_deps="lilv"

This should be

lv2_filter_deps="lv2"

>  mcdeint_filter_deps="avcodec gpl"
>  movie_filter_deps="avcodec avformat"
>  mpdecimate_filter_deps="gpl"
> @@ -5829,6 +5832,7 @@ enabled gmp               && require gmp gmp.h mpz_export -lgmp
>  enabled gnutls            && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init
>  enabled jni               && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads || die "ERROR: jni not found"; }
>  enabled ladspa            && require_header ladspa.h
> +enabled lv2               && require_pkg_config lilv lilv-0 "lilv-0/lilv/lilv.h" lilv_world_new

And this should be

require_pkg_config lv2 lilv-0 "lilv-0/lilv/lilv.h" lilv_world_new

>  enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
>  enabled libass            && require_pkg_config libass libass ass/ass.h ass_library_init
>  enabled libbluray         && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open