ROQ_HEADER_SIZE 68 libavcodec/roqaudioenc.c avctx->bit_rate = (ROQ_HEADER_SIZE + ROQ_FRAME_SIZE * avctx->channels) * ROQ_HEADER_SIZE 163 libavcodec/roqaudioenc.c if ((ret = ff_alloc_packet2(avctx, avpkt, ROQ_HEADER_SIZE + data_size, 0)) < 0)