129 lines
5.0 KiB
C
129 lines
5.0 KiB
C
/*
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** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
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** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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**
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** Any non-GPL usage of this software or parts of this software is strictly
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** forbidden.
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**
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** Commercial non-GPL licensing of this software is possible.
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** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
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**
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** $Id: mp4ff.h,v 1.19 2004/01/11 15:52:18 menno Exp $
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**/
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#ifndef MP4FF_H
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#define MP4FF_H
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#include "mp4ff_int_types.h"
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/* file callback structure */
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typedef struct
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{
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uint32_t (*read)(void *user_data, void *buffer, uint32_t length);
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uint32_t (*write)(void *udata, void *buffer, uint32_t length);
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uint32_t (*seek)(void *user_data, uint64_t position);
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uint32_t (*truncate)(void *user_data);
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void *user_data;
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} mp4ff_callback_t;
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/* mp4 main file structure */
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typedef void* mp4ff_t;
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/* API */
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mp4ff_t *mp4ff_open_read(mp4ff_callback_t *f);
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void mp4ff_close(mp4ff_t *f);
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int32_t mp4ff_get_sample_duration(const mp4ff_t *f, const int32_t track, const int32_t sample);
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int32_t mp4ff_get_sample_duration_use_offsets(const mp4ff_t *f, const int32_t track, const int32_t sample);
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int64_t mp4ff_get_sample_position(const mp4ff_t *f, const int32_t track, const int32_t sample);
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int32_t mp4ff_get_sample_offset(const mp4ff_t *f, const int32_t track, const int32_t sample);
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int32_t mp4ff_find_sample(const mp4ff_t *f, const int32_t track, const int64_t offset,int32_t * toskip);
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int32_t mp4ff_find_sample_use_offsets(const mp4ff_t *f, const int32_t track, const int64_t offset,int32_t * toskip);
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int32_t mp4ff_read_sample(mp4ff_t *f, const int track, const int sample,
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unsigned char **audio_buffer, unsigned int *bytes);
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int32_t mp4ff_read_sample_v2(mp4ff_t *f, const int track, const int sample,unsigned char *buffer);//returns 0 on error, number of bytes read on success, use mp4ff_read_sample_getsize() to check buffer size needed
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int32_t mp4ff_read_sample_getsize(mp4ff_t *f, const int track, const int sample);//returns 0 on error, buffer size needed for mp4ff_read_sample_v2() on success
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int32_t mp4ff_get_decoder_config(const mp4ff_t *f, const int track,
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unsigned char** ppBuf, unsigned int* pBufSize);
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int32_t mp4ff_get_track_type(const mp4ff_t *f, const int track);
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int32_t mp4ff_total_tracks(const mp4ff_t *f);
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int32_t mp4ff_num_samples(const mp4ff_t *f, const int track);
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int32_t mp4ff_time_scale(const mp4ff_t *f, const int track);
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uint32_t mp4ff_get_avg_bitrate(const mp4ff_t *f, const int32_t track);
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uint32_t mp4ff_get_max_bitrate(const mp4ff_t *f, const int32_t track);
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int64_t mp4ff_get_track_duration(const mp4ff_t *f, const int32_t track); //returns (-1) if unknown
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int64_t mp4ff_get_track_duration_use_offsets(const mp4ff_t *f, const int32_t track); //returns (-1) if unknown
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uint32_t mp4ff_get_sample_rate(const mp4ff_t *f, const int32_t track);
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uint32_t mp4ff_get_channel_count(const mp4ff_t * f,const int32_t track);
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uint32_t mp4ff_get_audio_type(const mp4ff_t * f,const int32_t track);
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/* metadata */
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int mp4ff_meta_get_num_items(const mp4ff_t *f);
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int mp4ff_meta_get_by_index(const mp4ff_t *f, unsigned int index,
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char **item, char **value);
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int mp4ff_meta_get_title(const mp4ff_t *f, char **value);
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int mp4ff_meta_get_artist(const mp4ff_t *f, char **value);
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int mp4ff_meta_get_writer(const mp4ff_t *f, char **value);
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int mp4ff_meta_get_album(const mp4ff_t *f, char **value);
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int mp4ff_meta_get_date(const mp4ff_t *f, char **value);
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int mp4ff_meta_get_tool(const mp4ff_t *f, char **value);
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int mp4ff_meta_get_comment(const mp4ff_t *f, char **value);
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int mp4ff_meta_get_genre(const mp4ff_t *f, char **value);
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int mp4ff_meta_get_track(const mp4ff_t *f, char **value);
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int mp4ff_meta_get_disc(const mp4ff_t *f, char **value);
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int mp4ff_meta_get_compilation(const mp4ff_t *f, char **value);
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int mp4ff_meta_get_tempo(const mp4ff_t *f, char **value);
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int32_t mp4ff_meta_get_coverart(const mp4ff_t *f, char **value);
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#ifdef USE_TAGGING
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/* metadata tag structure */
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typedef struct
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{
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char *item;
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char *value;
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} mp4ff_tag_t;
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/* metadata list structure */
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typedef struct
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{
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mp4ff_tag_t *tags;
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uint32_t count;
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} mp4ff_metadata_t;
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int32_t mp4ff_meta_update(mp4ff_callback_t *f,const mp4ff_metadata_t * data);
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#endif
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif
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