esp32-audio-player/audio__player_8h_source.html

// SPDX-License-Identifier: Apache-2.0

#pragma once


#include "audio_player/version.h"

#include "audio_player/base.h"

#include "audio_player/audio.h"

#include "audio_player/events.h"

#include "audio_player/stream.h"

#include "audio_player/decoder.h"

#include "audio_player/dsp.h"

#include "audio_player/resampler.h"

#include "audio_player/tags.h"

#include "audio_player/text.h"

#include "audio_player/collate.h"

#include "audio_player/fsbrowse.h"

#include "audio_player/playlist.h"

#include "audio_player/library.h"

#include "audio_player/sink.h"

#include "audio_player/player.h"


#if defined(ESP_PLATFORM)

#include "audio_player/esp32.h"

#include "audio_player/i2s_sink.h"

#endif

audio.h
Audio formats and PCM conventions.

base.h
Base definitions shared by every core module: error codes, memory, logging, locks.

collate.h
Compact collation for Russian + English (+ Latin with diacritics folded): case-insensitive,...

decoder.h
Audio decoders behind one interface.

dsp.h
Sound processing chain, float32 inside, Q31 in and out: ReplayGain -> preamp -> parametric EQ (<=10 b...

esp32.h
ESP32 runtime: connects the portable core to ESP-IDF and runs the player in its own task.

events.h
Events from the player to the application.

fsbrowse.h
Folder browsing without the index: works right after inserting a card.

i2s_sink.h
I2S DAC output for the player (ESP-IDF i2s_std driver, master, Philips format, 32-bit slots).

library.h
Music library index stored on the SD card (no LevelDB, no SQLite).

player.h
Playback engine: queue, gapless transitions, DSP, output negotiation, resume.

playlist.h
M3U/M3U8 playlists (read: relative/absolute paths, CP1251 or UTF-8 with or without BOM,...

resampler.h
Sample-rate conversion for the Bluetooth path (A2DP runs at 44.1 or 48 kHz).

sink.h
Audio output interface.

stream.h
Byte streams used by decoders and tag parsers.

tags.h
Metadata readers: ID3v2.2/2.3/2.4 (+unsynchronisation, extended header), ID3v1, FLAC Vorbis comments ...

text.h
Text encodings and Unicode helpers.

version.h
Library version (semantic versioning).