- case MONO:
- if (q->nb_channels != 1) {
- av_log_ask_for_sample(avctx, "Container channels != 1.\n");
- return -1;
- }
- av_log(avctx,AV_LOG_DEBUG,"MONO\n");
- break;
- case STEREO:
- if (q->nb_channels != 1) {
- q->subpacket[s].bits_per_subpdiv = 1;
- q->subpacket[s].num_channels = 2;
- }
- av_log(avctx,AV_LOG_DEBUG,"STEREO\n");
- break;
- case JOINT_STEREO:
- if (q->nb_channels != 2) {
- av_log_ask_for_sample(avctx, "Container channels != 2.\n");
- return -1;
- }
- av_log(avctx,AV_LOG_DEBUG,"JOINT_STEREO\n");
- if (avctx->extradata_size >= 16){
- q->subpacket[s].total_subbands = q->subpacket[s].subbands + q->subpacket[s].js_subband_start;
- q->subpacket[s].joint_stereo = 1;
- q->subpacket[s].num_channels = 2;
- }
+ case MONO:
+ if (q->nb_channels != 1) {
+ av_log_ask_for_sample(avctx, "Container channels != 1.\n");
+ return AVERROR_PATCHWELCOME;
+ }
+ av_log(avctx, AV_LOG_DEBUG, "MONO\n");
+ break;
+ case STEREO:
+ if (q->nb_channels != 1) {
+ q->subpacket[s].bits_per_subpdiv = 1;
+ q->subpacket[s].num_channels = 2;
+ }
+ av_log(avctx, AV_LOG_DEBUG, "STEREO\n");
+ break;
+ case JOINT_STEREO:
+ if (q->nb_channels != 2) {
+ av_log_ask_for_sample(avctx, "Container channels != 2.\n");
+ return AVERROR_PATCHWELCOME;
+ }
+ av_log(avctx, AV_LOG_DEBUG, "JOINT_STEREO\n");
+ if (avctx->extradata_size >= 16) {
+ q->subpacket[s].total_subbands = q->subpacket[s].subbands +
+ q->subpacket[s].js_subband_start;
+ q->subpacket[s].joint_stereo = 1;
+ q->subpacket[s].num_channels = 2;
+ }
+ if (q->subpacket[s].samples_per_channel > 256) {
+ q->subpacket[s].log2_numvector_size = 6;
+ }
+ if (q->subpacket[s].samples_per_channel > 512) {
+ q->subpacket[s].log2_numvector_size = 7;
+ }
+ break;
+ case MC_COOK:
+ av_log(avctx, AV_LOG_DEBUG, "MULTI_CHANNEL\n");
+ if (extradata_size >= 4)
+ channel_mask |= q->subpacket[s].channel_mask = bytestream_get_be32(&edata_ptr);
+
+ if (cook_count_channels(q->subpacket[s].channel_mask) > 1) {
+ q->subpacket[s].total_subbands = q->subpacket[s].subbands +
+ q->subpacket[s].js_subband_start;
+ q->subpacket[s].joint_stereo = 1;
+ q->subpacket[s].num_channels = 2;
+ q->subpacket[s].samples_per_channel = q->subpacket[s].samples_per_frame >> 1;
+