Lines Matching refs:oc
142 if (*channels >= MAX_CHANNELS - (type == TYPE_CPE || (type == TYPE_SCE && ac->oc[1].m4ac.ps == 1))) {
148 (type == TYPE_SCE && ac->oc[1].m4ac.ps == 1)) {
506 if (ac->oc[1].status == OC_LOCKED || ac->oc[0].status == OC_NONE) {
507 ac->oc[0] = ac->oc[1];
510 ac->oc[1].status = OC_NONE;
519 if (ac->oc[1].status != OC_LOCKED && ac->oc[0].status != OC_NONE) {
520 ac->oc[1] = ac->oc[0];
521 ac->avctx->ch_layout = ac->oc[1].ch_layout;
522 output_configure(ac, ac->oc[1].layout_map, ac->oc[1].layout_map_tags,
523 ac->oc[1].status, 0);
543 if (ac->oc[1].layout_map != layout_map) {
544 memcpy(ac->oc[1].layout_map, layout_map, tags * sizeof(layout_map[0]));
545 ac->oc[1].layout_map_tags = tags;
579 if (ac->oc[1].m4ac.ps == 1 && channels == 2) {
587 av_channel_layout_uninit(&ac->oc[1].ch_layout);
589 av_channel_layout_from_mask(&ac->oc[1].ch_layout, layout);
591 ac->oc[1].ch_layout.order = AV_CHANNEL_ORDER_UNSPEC;
592 ac->oc[1].ch_layout.nb_channels = channels;
595 av_channel_layout_copy(&avctx->ch_layout, &ac->oc[1].ch_layout);
596 ac->oc[1].status = oc_type;
673 if (!ac->oc[1].m4ac.chan_config) {
678 ac->oc[1].m4ac.chan_config == 1) {
692 ac->oc[1].m4ac.chan_config = 2;
693 ac->oc[1].m4ac.ps = 0;
697 ac->oc[1].m4ac.chan_config == 2) {
713 if (ac->oc[1].m4ac.sbr)
714 ac->oc[1].m4ac.ps = -1;
718 switch (ac->oc[1].m4ac.chan_config) {
744 if (ac->tags_mapped == tags_per_config[ac->oc[1].m4ac.chan_config] - 1 && (type == TYPE_LFE || type == TYPE_SCE)) {
766 if (ac->tags_mapped == tags_per_config[ac->oc[1].m4ac.chan_config] - 1 && (type == TYPE_LFE || type == TYPE_SCE)) {
777 ac->oc[1].m4ac.chan_config == 4 &&
784 if (ac->tags_mapped == (ac->oc[1].m4ac.chan_config != 2) &&
788 } else if (ac->tags_mapped == 1 && ac->oc[1].m4ac.chan_config == 2 &&
1287 ac->oc[1].m4ac.sample_rate = avctx->sample_rate;
1297 if ((ret = decode_audio_specific_config(ac, ac->avctx, &ac->oc[1].m4ac,
1308 ac->oc[1].m4ac.sampling_index = sr;
1309 ac->oc[1].m4ac.channels = avctx->ch_layout.nb_channels;
1310 ac->oc[1].m4ac.sbr = -1;
1311 ac->oc[1].m4ac.ps = -1;
1319 ac->oc[1].m4ac.chan_config = i;
1321 if (ac->oc[1].m4ac.chan_config) {
1323 &layout_map_tags, ac->oc[1].m4ac.chan_config);
1400 for (sfb = 0; sfb < FFMIN(ics->max_sfb, ff_aac_pred_sfb_max[ac->oc[1].m4ac.sampling_index]); sfb++) {
1426 const MPEG4AudioConfig *const m4ac = &ac->oc[1].m4ac;
1705 const int tns_max_order = is8 ? 7 : ac->oc[1].m4ac.object_type == AOT_AAC_MAIN ? 20 : 12;
2074 sfb < ff_aac_pred_sfb_max[ac->oc[1].m4ac.sampling_index];
2136 eld_syntax = ac->oc[1].m4ac.object_type == AOT_ER_AAC_ELD;
2137 er_syntax = ac->oc[1].m4ac.object_type == AOT_ER_AAC_LC ||
2138 ac->oc[1].m4ac.object_type == AOT_ER_AAC_LTP ||
2139 ac->oc[1].m4ac.object_type == AOT_ER_AAC_LD ||
2140 ac->oc[1].m4ac.object_type == AOT_ER_AAC_ELD;
2205 if (ac->oc[1].m4ac.object_type == AOT_AAC_MAIN && !common_window)
2308 int eld_syntax = ac->oc[1].m4ac.object_type == AOT_ER_AAC_ELD;
2318 (ac->oc[1].m4ac.object_type != AOT_AAC_MAIN))
2336 if (ac->oc[1].m4ac.object_type == AOT_AAC_MAIN) {
2558 } else if (ac->oc[1].m4ac.frame_length_short) {
2565 } else if (!ac->oc[1].m4ac.sbr) {
2569 } else if (ac->oc[1].m4ac.sbr == -1 && ac->oc[1].status == OC_LOCKED) {
2573 } else if (ac->oc[1].m4ac.ps == -1 && ac->oc[1].status < OC_LOCKED &&
2575 ac->oc[1].m4ac.sbr = 1;
2576 ac->oc[1].m4ac.ps = 1;
2578 output_configure(ac, ac->oc[1].layout_map, ac->oc[1].layout_map_tags,
2579 ac->oc[1].status, 1);
2581 ac->oc[1].m4ac.sbr = 1;
2934 const int n = ac->oc[1].m4ac.frame_length_short ? 480 : 512;
3037 switch (ac->oc[1].m4ac.object_type) {
3045 if (ac->oc[1].m4ac.frame_length_short)
3056 if (ac->oc[1].m4ac.object_type == AOT_AAC_LTP) {
3072 if (ac->oc[1].m4ac.object_type == AOT_AAC_LTP)
3076 if (ac->oc[1].m4ac.object_type == AOT_AAC_LTP)
3079 if (ac->oc[1].m4ac.sbr > 0) {
3123 ac->oc[1].m4ac.chan_config = hdr_info.chan_config;
3130 FFMAX(ac->oc[1].status,
3134 ac->oc[1].m4ac.chan_config = 0;
3140 if (ac->dmono_mode && ac->oc[0].status == OC_NONE) {
3151 ac->oc[1].m4ac.sample_rate = hdr_info.sample_rate;
3152 ac->oc[1].m4ac.sampling_index = hdr_info.sampling_index;
3153 ac->oc[1].m4ac.object_type = hdr_info.object_type;
3154 ac->oc[1].m4ac.frame_length_short = 0;
3155 if (ac->oc[0].status != OC_LOCKED ||
3156 ac->oc[0].m4ac.chan_config != hdr_info.chan_config ||
3157 ac->oc[0].m4ac.sample_rate != hdr_info.sample_rate) {
3158 ac->oc[1].m4ac.sbr = -1;
3159 ac->oc[1].m4ac.ps = -1;
3171 const MPEG4AudioConfig *const m4ac = &ac->oc[1].m4ac;
3259 if (ac->oc[1].m4ac.sampling_index > 12) {
3260 av_log(ac->avctx, AV_LOG_ERROR, "invalid sampling rate index %d\n", ac->oc[1].m4ac.sampling_index);
3271 ac->avctx->profile = ac->oc[1].m4ac.object_type - 1;
3305 samples = ac->oc[1].m4ac.frame_length_short ? 960 : 1024;
3345 tags = decode_pce(avctx, &ac->oc[1].m4ac, layout_map, gb,
3358 ac->oc[1].m4ac.chan_config = 0;
3408 multiplier = (ac->oc[1].m4ac.sbr == 1) ? ac->oc[1].m4ac.ext_sample_rate > ac->oc[1].m4ac.sample_rate : 0;
3413 if (ac->oc[1].status && audio_found) {
3414 avctx->sample_rate = ac->oc[1].m4ac.sample_rate << multiplier;
3416 ac->oc[1].status = OC_LOCKED;
3437 !av_channel_layout_compare(&ac->oc[1].ch_layout,
3473 ac->oc[1].status = OC_NONE;
3474 err = decode_audio_specific_config(ac, ac->avctx, &ac->oc[1].m4ac,
3494 switch (ac->oc[1].m4ac.object_type) {