593cc00447
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5126 a1c6a512-1295-4272-9138-f99709370657
111 lines
3.5 KiB
C
111 lines
3.5 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_RECORDING_LOW_WATER 0x80000
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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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#define MPEG_MAX_PRERECORD_SECONDS 30
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/* For ID3 info and VBR header */
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#define MPEG_RESERVED_HEADER_SPACE (4096 + 1500)
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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(void);
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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 newtime);
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void mpeg_flush_and_reload_tracks(void);
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struct mp3entry* mpeg_current_track(void);
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struct mp3entry* mpeg_next_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 (CONFIG_HWCODEC == MAS3587F) || defined(SIMULATOR)
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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(const char *filename);
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void mpeg_new_file(const 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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bool editable, int prerecord_time);
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void mpeg_set_recording_gain(int left, int right, bool use_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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void mpeg_pause_recording(void);
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void mpeg_resume_recording(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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unsigned int mpeg_error(void);
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void mpeg_error_clear(void);
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int mpeg_get_file_pos(void);
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unsigned long mpeg_get_last_header(void);
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/* in order to keep the recording here, I have to expose this */
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void rec_tick(void);
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void playback_tick(void); /* FixMe: get rid of this, use mp3_get_playtime() */
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void mpeg_id3_options(bool _v1first);
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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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#define MPEG_STATUS_PRERECORD 8
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#define MPEG_STATUS_ERROR 16
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#define MPEGERR_DISK_FULL 1
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#endif
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