+ /* validate AC-3 mixing levels */
+ if (!s->eac3) {
+ if (s->has_center) {
+ validate_mix_level(avctx, "center_mix_level", &opt->center_mix_level,
+ cmixlev_options, CMIXLEV_NUM_OPTIONS, 1, 0,
+ &s->center_mix_level);
+ }
+ if (s->has_surround) {
+ validate_mix_level(avctx, "surround_mix_level", &opt->surround_mix_level,
+ surmixlev_options, SURMIXLEV_NUM_OPTIONS, 1, 0,
+ &s->surround_mix_level);
+ }
+ }
+
+ /* validate extended bsi 1 / mixing metadata */
+ if (opt->extended_bsi_1 || opt->eac3_mixing_metadata) {
+ /* default preferred stereo downmix */
+ if (opt->preferred_stereo_downmix == AC3ENC_OPT_NONE)
+ opt->preferred_stereo_downmix = AC3ENC_OPT_NOT_INDICATED;
+ if (!s->eac3 || s->has_center) {
+ /* validate Lt/Rt center mix level */
+ validate_mix_level(avctx, "ltrt_center_mix_level",
+ &opt->ltrt_center_mix_level, extmixlev_options,
+ EXTMIXLEV_NUM_OPTIONS, 5, 0,
+ &s->ltrt_center_mix_level);
+ /* validate Lo/Ro center mix level */
+ validate_mix_level(avctx, "loro_center_mix_level",
+ &opt->loro_center_mix_level, extmixlev_options,
+ EXTMIXLEV_NUM_OPTIONS, 5, 0,
+ &s->loro_center_mix_level);
+ }
+ if (!s->eac3 || s->has_surround) {
+ /* validate Lt/Rt surround mix level */
+ validate_mix_level(avctx, "ltrt_surround_mix_level",
+ &opt->ltrt_surround_mix_level, extmixlev_options,
+ EXTMIXLEV_NUM_OPTIONS, 6, 3,
+ &s->ltrt_surround_mix_level);
+ /* validate Lo/Ro surround mix level */
+ validate_mix_level(avctx, "loro_surround_mix_level",
+ &opt->loro_surround_mix_level, extmixlev_options,
+ EXTMIXLEV_NUM_OPTIONS, 6, 3,
+ &s->loro_surround_mix_level);
+ }
+ }
+
+ /* validate audio service type / channels combination */
+ if ((avctx->audio_service_type == AV_AUDIO_SERVICE_TYPE_KARAOKE &&
+ avctx->channels == 1) ||
+ ((avctx->audio_service_type == AV_AUDIO_SERVICE_TYPE_COMMENTARY ||
+ avctx->audio_service_type == AV_AUDIO_SERVICE_TYPE_EMERGENCY ||
+ avctx->audio_service_type == AV_AUDIO_SERVICE_TYPE_VOICE_OVER)
+ && avctx->channels > 1)) {
+ av_log(avctx, AV_LOG_ERROR, "invalid audio service type for the "
+ "specified number of channels\n");
+ return AVERROR(EINVAL);
+ }
+
+ /* validate extended bsi 2 / info metadata */
+ if (opt->extended_bsi_2 || opt->eac3_info_metadata) {
+ /* default dolby headphone mode */
+ if (opt->dolby_headphone_mode == AC3ENC_OPT_NONE)
+ opt->dolby_headphone_mode = AC3ENC_OPT_NOT_INDICATED;
+ /* default dolby surround ex mode */
+ if (opt->dolby_surround_ex_mode == AC3ENC_OPT_NONE)
+ opt->dolby_surround_ex_mode = AC3ENC_OPT_NOT_INDICATED;
+ /* default A/D converter type */
+ if (opt->ad_converter_type == AC3ENC_OPT_NONE)
+ opt->ad_converter_type = AC3ENC_OPT_ADCONV_STANDARD;
+ }
+
+ /* copyright & original defaults */
+ if (!s->eac3 || opt->eac3_info_metadata) {
+ /* default copyright */
+ if (opt->copyright == AC3ENC_OPT_NONE)
+ opt->copyright = AC3ENC_OPT_OFF;
+ /* default original */
+ if (opt->original == AC3ENC_OPT_NONE)
+ opt->original = AC3ENC_OPT_ON;
+ }
+
+ /* dolby surround mode default */
+ if (!s->eac3 || opt->eac3_info_metadata) {
+ if (opt->dolby_surround_mode == AC3ENC_OPT_NONE)
+ opt->dolby_surround_mode = AC3ENC_OPT_NOT_INDICATED;
+ }
+
+ /* validate audio production info */
+ if (opt->audio_production_info) {
+ if (opt->mixing_level == AC3ENC_OPT_NONE) {