int opt_default(void *optctx, const char *opt, const char *arg) { const AVOption *o; int consumed = 0; char opt_stripped[128]; const char *p; const AVClass *cc = avcodec_get_class(), *fc = avformat_get_class(); const av_unused AVClass *rc_class; const AVClass *sc, *swr_class; if (!strcmp(opt, "debug") || !strcmp(opt, "fdebug")) av_log_set_level(AV_LOG_DEBUG); if (!(p = strchr(opt, ':'))) p = opt + strlen(opt); av_strlcpy(opt_stripped, opt, FFMIN(sizeof(opt_stripped), p - opt + 1)); if ((o = av_opt_find(&cc, opt_stripped, NULL, 0, AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ)) || ((opt[0] == 'v' || opt[0] == 'a' || opt[0] == 's') && (o = av_opt_find(&cc, opt + 1, NULL, 0, AV_OPT_SEARCH_FAKE_OBJ)))) { av_dict_set(&codec_opts, opt, arg, FLAGS); consumed = 1; } if ((o = av_opt_find(&fc, opt, NULL, 0, AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) { av_dict_set(&format_opts, opt, arg, FLAGS); if(consumed) av_log(NULL, AV_LOG_VERBOSE, "Routing %s to codec and muxer layer\n", opt); consumed = 1; } #if CONFIG_SWSCALE sc = sws_get_class(); if (!consumed && av_opt_find(&sc, opt, NULL, 0, AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ)) { // XXX we only support sws_flags, not arbitrary sws options int ret = av_opt_set(sws_opts, opt, arg, 0); if (ret < 0) { av_log(NULL, AV_LOG_ERROR, "Error setting option %s.\n", opt); return ret; } consumed = 1; } #endif #if CONFIG_SWRESAMPLE swr_class = swr_get_class(); if (!consumed && av_opt_find(&swr_class, opt, NULL, 0, AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ)) { int ret = av_opt_set(swr_opts, opt, arg, 0); if (ret < 0) { av_log(NULL, AV_LOG_ERROR, "Error setting option %s.\n", opt); return ret; } consumed = 1; } #endif #if CONFIG_AVRESAMPLE rc_class = avresample_get_class(); if (av_opt_find(&rc_class, opt, NULL, 0, AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ)) { av_dict_set(&resample_opts, opt, arg, FLAGS); consumed = 1; } #endif if (consumed) return 0; return AVERROR_OPTION_NOT_FOUND; }