lavf: initial import of the linuxtv ARIB STD-B24 iconv module

It... compiles. No testing.

Author: jeeb

libavformat/Makefile

@@ -323,7 +323,7 @@ OBJS-$(CONFIG_MPEG2SVCD_MUXER)           += mpegenc.o
 OBJS-$(CONFIG_MPEG2VIDEO_MUXER)          += rawenc.o
 OBJS-$(CONFIG_MPEG2VOB_MUXER)            += mpegenc.o
 OBJS-$(CONFIG_MPEGPS_DEMUXER)            += mpeg.o
-OBJS-$(CONFIG_MPEGTS_DEMUXER)            += mpegts.o
+OBJS-$(CONFIG_MPEGTS_DEMUXER)            += mpegts.o aribb24_text_conversion.o
 OBJS-$(CONFIG_MPEGTS_MUXER)              += mpegtsenc.o
 OBJS-$(CONFIG_MPEGVIDEO_DEMUXER)         += mpegvideodec.o rawdec.o
 OBJS-$(CONFIG_MPJPEG_DEMUXER)            += mpjpegdec.o