/*
 * codec/opus_codec.h — Opus encode/decode (libopus 1.6).
 *
 * Design: docs/voice.md §3–4. Per-channel AudioConfig (mono/stereo, bitrate, frame size,
 * FEC, DTX, complexity). The server relays Opus payloads unmodified (no transcode).
 *
 * STATUS: M0 stub.
 */
#ifndef VOICECAT_CODEC_OPUS_CODEC_H
#define VOICECAT_CODEC_OPUS_CODEC_H

#include <cstdint>

namespace voicecat::codec {

struct OpusParams {
    uint32_t sample_rate = 48000;
    uint32_t bitrate_bps = 24000;
    uint32_t frame_ms = 20;
    bool stereo = false;
    bool fec = true;
    bool dtx = true;
    uint32_t complexity = 10;
    uint32_t expected_packet_loss = 0;
};

class OpusEncoder {
   public:
    // TODO(M2): init(params); encode(pcm, frame) -> opus bytes.
};

class OpusDecoder {
   public:
    // TODO(M2): init(params); decode(opus, out_pcm); PLC on loss; FEC from next packet.
};

}  // namespace voicecat::codec

#endif  // VOICECAT_CODEC_OPUS_CODEC_H