- if(ist->dec_ctx->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
- av_dict_set(&ist->decoder_opts, "compute_edt", "1", 0);
+ if (ist->dec_ctx->codec_id == AV_CODEC_ID_DVB_SUBTITLE &&
+ (ist->decoding_needed & DECODING_FOR_OST)) {
+ av_dict_set(&ist->decoder_opts, "compute_edt", "1", AV_DICT_DONT_OVERWRITE);
+ if (ist->decoding_needed & DECODING_FOR_FILTER)
+ av_log(NULL, AV_LOG_WARNING, "Warning using DVB subtitles for filtering and output at the same time is not fully supported, also see -compute_edt [0|1]\n");
+ }