- if (avctx->sub_charenc) {
- if (avctx->codec_type != AVMEDIA_TYPE_SUBTITLE) {
- av_log(avctx, AV_LOG_ERROR, "Character encoding is only "
- "supported with subtitles codecs\n");
- ret = AVERROR(EINVAL);
- goto free_and_end;
- } else if (avctx->codec_descriptor->props & AV_CODEC_PROP_BITMAP_SUB) {
- av_log(avctx, AV_LOG_WARNING, "Codec '%s' is bitmap-based, "
- "subtitles character encoding will be ignored\n",
- avctx->codec_descriptor->name);
- avctx->sub_charenc_mode = FF_SUB_CHARENC_MODE_DO_NOTHING;
- } else {
- /* input character encoding is set for a text based subtitle
- * codec at this point */
- if (avctx->sub_charenc_mode == FF_SUB_CHARENC_MODE_AUTOMATIC)
- avctx->sub_charenc_mode = FF_SUB_CHARENC_MODE_PRE_DECODER;
-
- if (avctx->sub_charenc_mode == FF_SUB_CHARENC_MODE_PRE_DECODER) {
-#if CONFIG_ICONV
- iconv_t cd = iconv_open("UTF-8", avctx->sub_charenc);
- if (cd == (iconv_t)-1) {
- ret = AVERROR(errno);
- av_log(avctx, AV_LOG_ERROR, "Unable to open iconv context "
- "with input character encoding \"%s\"\n", avctx->sub_charenc);
- goto free_and_end;
- }
- iconv_close(cd);
-#else
- av_log(avctx, AV_LOG_ERROR, "Character encoding subtitles "
- "conversion needs a libavcodec built with iconv support "
- "for this codec\n");
- ret = AVERROR(ENOSYS);
- goto free_and_end;
-#endif
- }
- }
- }