6da56d9f08
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3356 a1c6a512-1295-4272-9138-f99709370657
119 lines
3.7 KiB
C
119 lines
3.7 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 by Linus Nielsen Feltzing
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef _MPEG_H_
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#define _MPEG_H_
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#include <stdbool.h>
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#define MPEG_SWAP_CHUNKSIZE 0x2000
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#define MPEG_HIGH_WATER 2 /* We leave 2 bytes empty because otherwise we
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wouldn't be able to see the difference between
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an empty buffer and a full one. */
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#define MPEG_LOW_WATER 0x60000
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#define MPEG_LOW_WATER_CHUNKSIZE 0x40000
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#define MPEG_LOW_WATER_SWAP_CHUNKSIZE 0x10000
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#define MPEG_PLAY_PENDING_THRESHOLD 0x10000
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#define MPEG_PLAY_PENDING_SWAPSIZE 0x10000
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struct mpeg_debug
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{
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int mp3buflen;
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int mp3buf_write;
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int mp3buf_swapwrite;
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int mp3buf_read;
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int last_dma_chunk_size;
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bool dma_on;
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bool playing;
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bool play_pending;
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bool is_playing;
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bool filling;
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bool dma_underrun;
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int unplayed_space;
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int playable_space;
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int unswapped_space;
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int low_watermark_level;
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int lowest_watermark_level;
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};
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void mpeg_init(int volume, int bass, int treble, int balance,
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int loudness, int bass_boost, int avc, int channel_config);
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void mpeg_play(int offset);
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void mpeg_stop(void);
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void mpeg_pause(void);
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void mpeg_resume(void);
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void mpeg_next(void);
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void mpeg_prev(void);
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void mpeg_ff_rewind(int change);
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void mpeg_flush_and_reload_tracks(void);
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void mpeg_sound_set(int setting, int value);
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int mpeg_sound_min(int setting);
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int mpeg_sound_max(int setting);
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int mpeg_sound_default(int setting);
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void mpeg_sound_channel_config(int configuration);
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int mpeg_val2phys(int setting, int value);
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int mpeg_phys2val(int setting, int value);
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char *mpeg_sound_unit(int setting);
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int mpeg_sound_numdecimals(int setting);
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struct mp3entry* mpeg_current_track(void);
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bool mpeg_has_changed_track(void);
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int mpeg_status(void);
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#if defined(HAVE_MAS3587F) || defined(SIMULATOR)
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void mpeg_set_pitch(int percent);
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void mpeg_init_recording(void);
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void mpeg_init_playback(void);
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void mpeg_record(char *filename);
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void mpeg_set_recording_options(int frequency, int quality,
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int source, int channel_mode);
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void mpeg_set_recording_gain(int left, int right, int mic);
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unsigned long mpeg_recorded_time(void);
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unsigned long mpeg_num_recorded_bytes(void);
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#endif
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void mpeg_get_debugdata(struct mpeg_debug *dbgdata);
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void mpeg_set_buffer_margin(int seconds);
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#define SOUND_VOLUME 0
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#define SOUND_BASS 1
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#define SOUND_TREBLE 2
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#define SOUND_BALANCE 3
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#define SOUND_LOUDNESS 4
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#define SOUND_SUPERBASS 5
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#define SOUND_AVC 6
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#define SOUND_CHANNELS 7
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#define SOUND_LEFT_GAIN 8
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#define SOUND_RIGHT_GAIN 9
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#define SOUND_MIC_GAIN 10
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#define SOUND_NUMSETTINGS 11
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#define MPEG_SOUND_STEREO 0
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#define MPEG_SOUND_STEREO_NARROW 1
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#define MPEG_SOUND_MONO 2
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#define MPEG_SOUND_MONO_LEFT 3
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#define MPEG_SOUND_MONO_RIGHT 4
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#define MPEG_SOUND_KARAOKE 5
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#define MPEG_SOUND_STEREO_WIDE 6
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#define MPEG_STATUS_PLAY 1
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#define MPEG_STATUS_PAUSE 2
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#define MPEG_STATUS_RECORD 4
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#endif
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