[FFmpeg-devel] [PATCH 3/5] configure + lavc/Makefile: define build infrastructure for libaribcaption

[TADANO Tokumei]

To compile with this feature:
* libaribcaption external library has to be pre-installed.
  https://github.com/xqq/libaribcaption
* configure with `--enable-libaribcaption` option.

`--enable-libaribb24` and `--enable-libaribcaption` options are
not exclusive. If both enabled, libaribcaption precedes as
order listed in `libavcodec/allcodecs.c`.

Signed-off-by: TADANO Tokumei <aimingoff at pc.nifty.jp>
---
 configure           | 5 +++++
 libavcodec/Makefile | 1 +
 2 files changed, 6 insertions(+)

diff --git a/configure b/configure
index f115b21064..d7222f724b 100755
--- a/configure
+++ b/configure
@@ -218,6 +218,8 @@ External library support:
   --enable-lcms2           enable ICC profile support via LittleCMS 2 [no]
   --enable-libaom          enable AV1 video encoding/decoding via libaom [no]
   --enable-libaribb24      enable ARIB text and caption decoding via libaribb24 [no]
+  --enable-libaribcaption  enable ARIB text and caption decoding via libaribcap
+tion [no]
   --enable-libass          enable libass subtitles rendering,
                            needed for subtitles and ass filter [no]
   --enable-libbluray       enable BluRay reading using libbluray [no]
@@ -1817,6 +1819,7 @@ EXTERNAL_LIBRARY_LIST="
     ladspa
     lcms2
     libaom
+    libaribcaption
     libass
     libbluray
     libbs2b
@@ -3319,6 +3322,7 @@ libaom_av1_decoder_deps="libaom"
 libaom_av1_encoder_deps="libaom"
 libaom_av1_encoder_select="extract_extradata_bsf"
 libaribb24_decoder_deps="libaribb24"
+aribcaption_decoder_deps="libaribcaption"
 libcelt_decoder_deps="libcelt"
 libcodec2_decoder_deps="libcodec2"
 libcodec2_encoder_deps="libcodec2"
@@ -6520,6 +6524,7 @@ enabled libaom            && require_pkg_config libaom "aom >= 1.0.0" aom/aom_co
 enabled libaribb24        && { check_pkg_config libaribb24 "aribb24 > 1.0.3" "aribb24/aribb24.h" arib_instance_new ||
                                { enabled gpl && require_pkg_config libaribb24 aribb24 "aribb24/aribb24.h" arib_instance_new; } ||
                                die "ERROR: libaribb24 requires version higher than 1.0.3 or --enable-gpl."; }
+enabled libaribcaption    && require_pkg_config libaribcaption "libaribcaption >= 0.1.0" "aribcaption/aribcaption.h" aribcc_context_alloc
 enabled lv2               && require_pkg_config lv2 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 >= 0.11.0" ass/ass.h ass_library_init
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 38425d2f22..2613fd78a1 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -1050,6 +1050,7 @@ OBJS-$(CONFIG_PCM_MULAW_AT_ENCODER)       += audiotoolboxenc.o
 OBJS-$(CONFIG_LIBAOM_AV1_DECODER)         += libaomdec.o
 OBJS-$(CONFIG_LIBAOM_AV1_ENCODER)         += libaomenc.o
 OBJS-$(CONFIG_LIBARIBB24_DECODER)         += libaribb24.o ass.o
+OBJS-$(CONFIG_ARIBCAPTION_DECODER)        += libaribcaption.o ass.o
 OBJS-$(CONFIG_LIBCELT_DECODER)            += libcelt_dec.o
 OBJS-$(CONFIG_LIBCODEC2_DECODER)          += libcodec2.o
 OBJS-$(CONFIG_LIBCODEC2_ENCODER)          += libcodec2.o
-- 
2.30.2