shithub: libopusenc

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Disabling prediction on chaining joint

--- a/src/opusenc.c

+++ b/src/opusenc.c

@@ -330,14 +330,20 @@

   ogg_int64_t end_granule48k = (enc->streams->end_granule*48000 + enc->rate - 1)/enc->rate + enc->granule_offset;

   while (enc->buffer_end-enc->buffer_start > enc->frame_size + enc->decision_delay) {

     int cont;

+    opus_int32 pred;

     int flush_needed;

     ogg_packet op;

     ogg_page og;

     int nbBytes;

     unsigned char packet[MAX_PACKET_SIZE];

+    opus_multistream_encoder_ctl(enc->st, OPUS_GET_PREDICTION_DISABLED(&pred));

+    if (enc->curr_granule + enc->frame_size>= end_granule48k && enc->streams->next) {

+      opus_multistream_encoder_ctl(enc->st, OPUS_SET_PREDICTION_DISABLED(1));

+    }

     nbBytes = opus_multistream_encode_float(enc->st, &enc->buffer[enc->channels*enc->buffer_start],

         enc->buffer_end-enc->buffer_start, packet, MAX_PACKET_SIZE);

     /* FIXME: How do we handle failure here. */

+    opus_multistream_encoder_ctl(enc->st, OPUS_SET_PREDICTION_DISABLED(pred));

     assert(nbBytes > 0);

     enc->curr_granule += enc->frame_size;

     op.packet=packet;