encoder.h

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/*
 * Copyright (c) 2013 Andrew Kelley
 *
 * This file is part of libgroove, which is MIT licensed.
 * See http://opensource.org/licenses/MIT
 */

#ifndef GROOVE_ENCODER_H
#define GROOVE_ENCODER_H

#include <groove/groove.h>

struct GrooveEncoder {
    struct GrooveAudioFormat target_audio_format;

    int bit_rate;

    const char *format_short_name;
    const char *codec_short_name;
    const char *filename;
    const char *mime_type;

    int sink_buffer_size;

    int encoded_buffer_size;

    double gain;

    struct GroovePlaylist *playlist;

    struct GrooveAudioFormat actual_audio_format;
};

GROOVE_EXPORT struct GrooveEncoder *groove_encoder_create(void);
GROOVE_EXPORT void groove_encoder_destroy(struct GrooveEncoder *encoder);

GROOVE_EXPORT int groove_encoder_attach(struct GrooveEncoder *encoder,
        struct GroovePlaylist *playlist);
GROOVE_EXPORT int groove_encoder_detach(struct GrooveEncoder *encoder);

GROOVE_EXPORT int groove_encoder_buffer_get(struct GrooveEncoder *encoder,
        struct GrooveBuffer **buffer, int block);

GROOVE_EXPORT int groove_encoder_buffer_peek(struct GrooveEncoder *encoder, int block);

GROOVE_EXPORT struct GrooveTag *groove_encoder_metadata_get(struct GrooveEncoder *encoder,
        const char *key, const struct GrooveTag *prev, int flags);

GROOVE_EXPORT int groove_encoder_metadata_set(struct GrooveEncoder *encoder, const char *key,
        const char *value, int flags);

GROOVE_EXPORT void groove_encoder_position(struct GrooveEncoder *encoder,
        struct GroovePlaylistItem **item, double *seconds);

GROOVE_EXPORT int groove_encoder_set_gain(struct GrooveEncoder *encoder, double gain);

#endif