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Diffstat (limited to 'firmware/export/mpeg.h')
| -rw-r--r-- | firmware/export/mpeg.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/firmware/export/mpeg.h b/firmware/export/mpeg.h new file mode 100644 index 0000000..75ec710 --- /dev/null +++ b/firmware/export/mpeg.h @@ -0,0 +1,116 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2002 by Linus Nielsen Feltzing + * + * All files in this archive are subject to the GNU General Public License. + * See the file COPYING in the source tree root for full license agreement. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#ifndef _MPEG_H_ +#define _MPEG_H_ + +#include <stdbool.h> + +#define MPEG_SWAP_CHUNKSIZE 0x2000 +#define MPEG_HIGH_WATER 2 /* We leave 2 bytes empty because otherwise we + wouldn't be able to see the difference between + an empty buffer and a full one. */ +#define MPEG_LOW_WATER 0x60000 +#define MPEG_LOW_WATER_CHUNKSIZE 0x40000 +#define MPEG_LOW_WATER_SWAP_CHUNKSIZE 0x10000 +#define MPEG_PLAY_PENDING_THRESHOLD 0x10000 +#define MPEG_PLAY_PENDING_SWAPSIZE 0x10000 + +struct mpeg_debug +{ + int mp3buflen; + int mp3buf_write; + int mp3buf_swapwrite; + int mp3buf_read; + + int last_dma_chunk_size; + + bool dma_on; + bool playing; + bool play_pending; + bool is_playing; + bool filling; + bool dma_underrun; + + int unplayed_space; + int playable_space; + int unswapped_space; + + int low_watermark_level; + int lowest_watermark_level; +}; + +void mpeg_init(int volume, int bass, int treble, int balance, + int loudness, int bass_boost, int avc); +void mpeg_play(int offset); +void mpeg_stop(void); +void mpeg_pause(void); +void mpeg_resume(void); +void mpeg_next(void); +void mpeg_prev(void); +void mpeg_ff_rewind(int change); +void mpeg_flush_and_reload_tracks(void); +void mpeg_sound_set(int setting, int value); +int mpeg_sound_min(int setting); +int mpeg_sound_max(int setting); +int mpeg_sound_default(int setting); +void mpeg_sound_channel_config(int configuration); +int mpeg_val2phys(int setting, int value); +int mpeg_phys2val(int setting, int value); +char *mpeg_sound_unit(int setting); +int mpeg_sound_numdecimals(int setting); +struct mp3entry* mpeg_current_track(void); +bool mpeg_has_changed_track(void); +int mpeg_status(void); +#if defined(HAVE_MAS3587F) || defined(SIMULATOR) +void mpeg_set_pitch(int percent); +void mpeg_init_recording(void); +void mpeg_init_playback(void); +void mpeg_record(char *filename); +void mpeg_set_recording_options(int frequency, int quality, + int source, int channel_mode); +void mpeg_set_recording_gain(int left, int right, int mic); +unsigned long mpeg_num_recorded_frames(void); +unsigned long mpeg_num_recorded_bytes(void); +#endif +void mpeg_get_debugdata(struct mpeg_debug *dbgdata); +void mpeg_set_buffer_margin(int seconds); + +#define SOUND_VOLUME 0 +#define SOUND_BASS 1 +#define SOUND_TREBLE 2 +#define SOUND_BALANCE 3 +#define SOUND_LOUDNESS 4 +#define SOUND_SUPERBASS 5 +#define SOUND_AVC 6 +#define SOUND_CHANNELS 7 +#define SOUND_LEFT_GAIN 8 +#define SOUND_RIGHT_GAIN 9 +#define SOUND_MIC_GAIN 10 +#define SOUND_NUMSETTINGS 11 + +#define MPEG_SOUND_STEREO 0 +#define MPEG_SOUND_MONO 1 +#define MPEG_SOUND_MONO_LEFT 2 +#define MPEG_SOUND_MONO_RIGHT 3 + +#define MPEG_STATUS_PLAY 1 +#define MPEG_STATUS_PAUSE 2 +#define MPEG_STATUS_RECORD 4 + +#endif |