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(); #if CONFIG_AVRESAMPLE const AVClass *rc = avresample_get_class(); #endif 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 = 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 = opt_find(&cc, opt + 1, NULL, 0, AV_OPT_SEARCH_FAKE_OBJ)))) { av_dict_set(&codec_opts, opt, arg, FLAGS); consumed = 1; } if ((o = 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 option %s to both codec and muxer layer\n", opt); consumed = 1; } #if CONFIG_SWSCALE sc = sws_get_class(); if (!consumed && (o = opt_find(&sc, opt, NULL, 0, AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) { struct SwsContext *sws = sws_alloc_context(); int ret = av_opt_set(sws, opt, arg, 0); sws_freeContext(sws); if (!strcmp(opt, "srcw") || !strcmp(opt, "srch") || !strcmp(opt, "dstw") || !strcmp(opt, "dsth") || !strcmp(opt, "src_format") || !strcmp(opt, "dst_format")) { av_log(NULL, AV_LOG_ERROR, "Directly using swscale dimensions/format options is not supported, please use the -s or -pix_fmt options\n"); return AVERROR(EINVAL); } if (ret < 0) { av_log(NULL, AV_LOG_ERROR, "Error setting option %s.\n", opt); return ret; } av_dict_set(&sws_dict, opt, arg, FLAGS); consumed = 1; } #else if (!consumed && !strcmp(opt, "sws_flags")) { av_log(NULL, AV_LOG_WARNING, "Ignoring %s %s, due to disabled swscale\n", opt, arg); consumed = 1; } #endif #if CONFIG_SWRESAMPLE swr_class = swr_get_class(); if (!consumed && (o=opt_find(&swr_class, opt, NULL, 0, AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) { struct SwrContext *swr = swr_alloc(); int ret = av_opt_set(swr, opt, arg, 0); swr_free(&swr); if (ret < 0) { av_log(NULL, AV_LOG_ERROR, "Error setting option %s.\n", opt); return ret; } av_dict_set(&swr_opts, opt, arg, FLAGS); consumed = 1; } #endif #if CONFIG_AVRESAMPLE if ((o=opt_find(&rc, 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; }