if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
av_dict_set(&ost->encoder_opts, "side_data_only_packets", "1", 0);
+ if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
+ !codec->defaults &&
+ !av_dict_get(ost->encoder_opts, "b", NULL, 0) &&
+ !av_dict_get(ost->encoder_opts, "ab", NULL, 0))
+ av_dict_set(&ost->encoder_opts, "b", "128000", 0);
if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
if (ret == AVERROR_EXPERIMENTAL)