ref: 729fda91ea43acd9d8c7d26808d3c9c65114740a
dir: /common/mp4ff/mp4ffint.h/
/* ** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding ** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com ** ** This program is free software; you can redistribute it and/or modify ** it under the terms of the GNU General Public License as published by ** the Free Software Foundation; either version 2 of the License, or ** (at your option) any later version. ** ** This program is distributed in the hope that it will be useful, ** but WITHOUT ANY WARRANTY; without even the implied warranty of ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ** GNU General Public License for more details. ** ** You should have received a copy of the GNU General Public License ** along with this program; if not, write to the Free Software ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ** ** Any non-GPL usage of this software or parts of this software is strictly ** forbidden. ** ** Commercial non-GPL licensing of this software is possible. ** For more info contact Ahead Software through [email protected]. ** ** $Id: mp4ffint.h,v 1.18 2004/04/12 18:17:42 menno Exp $ **/ #ifndef MP4FF_INTERNAL_H #define MP4FF_INTERNAL_H #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ #include "mp4ff_int_types.h" #if defined(_WIN32) && !defined(_WIN32_WCE) #define ITUNES_DRM static __inline uint32_t GetDWLE( void const * _p ) { uint8_t * p = (uint8_t *)_p; return ( ((uint32_t)p[3] << 24) | ((uint32_t)p[2] << 16) | ((uint32_t)p[1] << 8) | p[0] ); } static __inline uint32_t U32_AT( void const * _p ) { uint8_t * p = (uint8_t *)_p; return ( ((uint32_t)p[0] << 24) | ((uint32_t)p[1] << 16) | ((uint32_t)p[2] << 8) | p[3] ); } static __inline uint64_t U64_AT( void const * _p ) { uint8_t * p = (uint8_t *)_p; return ( ((uint64_t)p[0] << 56) | ((uint64_t)p[1] << 48) | ((uint64_t)p[2] << 40) | ((uint64_t)p[3] << 32) | ((uint64_t)p[4] << 24) | ((uint64_t)p[5] << 16) | ((uint64_t)p[6] << 8) | p[7] ); } #ifdef WORDS_BIGENDIAN # define VLC_FOURCC( a, b, c, d ) \ ( ((uint32_t)d) | ( ((uint32_t)c) << 8 ) \ | ( ((uint32_t)b) << 16 ) | ( ((uint32_t)a) << 24 ) ) # define VLC_TWOCC( a, b ) \ ( (uint16_t)(b) | ( (uint16_t)(a) << 8 ) ) #else # define VLC_FOURCC( a, b, c, d ) \ ( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) \ | ( ((uint32_t)c) << 16 ) | ( ((uint32_t)d) << 24 ) ) # define VLC_TWOCC( a, b ) \ ( (uint16_t)(a) | ( (uint16_t)(b) << 8 ) ) #endif #define FOURCC_user VLC_FOURCC( 'u', 's', 'e', 'r' ) #define FOURCC_key VLC_FOURCC( 'k', 'e', 'y', ' ' ) #define FOURCC_iviv VLC_FOURCC( 'i', 'v', 'i', 'v' ) #define FOURCC_name VLC_FOURCC( 'n', 'a', 'm', 'e' ) #define FOURCC_priv VLC_FOURCC( 'p', 'r', 'i', 'v' ) #endif #define MAX_TRACKS 1024 #define TRACK_UNKNOWN 0 #define TRACK_AUDIO 1 #define TRACK_VIDEO 2 #define TRACK_SYSTEM 3 #define SUBATOMIC 128 /* atoms without subatoms */ #define ATOM_FTYP 129 #define ATOM_MDAT 130 #define ATOM_MVHD 131 #define ATOM_TKHD 132 #define ATOM_TREF 133 #define ATOM_MDHD 134 #define ATOM_VMHD 135 #define ATOM_SMHD 136 #define ATOM_HMHD 137 #define ATOM_STSD 138 #define ATOM_STTS 139 #define ATOM_STSZ 140 #define ATOM_STZ2 141 #define ATOM_STCO 142 #define ATOM_STSC 143 #define ATOM_MP4A 144 #define ATOM_MP4V 145 #define ATOM_MP4S 146 #define ATOM_ESDS 147 #define ATOM_META 148 /* iTunes Metadata box */ #define ATOM_NAME 149 /* iTunes Metadata name box */ #define ATOM_DATA 150 /* iTunes Metadata data box */ #define ATOM_CTTS 151 #define ATOM_FRMA 152 #define ATOM_IVIV 153 #define ATOM_PRIV 154 #define ATOM_USER 155 #define ATOM_KEY 156 #define ATOM_UNKNOWN 255 #define ATOM_FREE ATOM_UNKNOWN #define ATOM_SKIP ATOM_UNKNOWN /* atoms with subatoms */ #define ATOM_MOOV 1 #define ATOM_TRAK 2 #define ATOM_EDTS 3 #define ATOM_MDIA 4 #define ATOM_MINF 5 #define ATOM_STBL 6 #define ATOM_UDTA 7 #define ATOM_ILST 8 /* iTunes Metadata list */ #define ATOM_TITLE 9 #define ATOM_ARTIST 10 #define ATOM_WRITER 11 #define ATOM_ALBUM 12 #define ATOM_DATE 13 #define ATOM_TOOL 14 #define ATOM_COMMENT 15 #define ATOM_GENRE1 16 #define ATOM_TRACK 17 #define ATOM_DISC 18 #define ATOM_COMPILATION 19 #define ATOM_GENRE2 20 #define ATOM_TEMPO 21 #define ATOM_COVER 22 #define ATOM_DRMS 23 #define ATOM_SINF 24 #define ATOM_SCHI 25 #ifdef HAVE_CONFIG_H #include "../../config.h" #endif #if !(defined(_WIN32) || defined(_WIN32_WCE)) #define stricmp strcasecmp #endif /* file callback structure */ typedef struct { uint32_t (*read)(void *user_data, void *buffer, uint32_t length); uint32_t (*write)(void *udata, void *buffer, uint32_t length); uint32_t (*seek)(void *user_data, uint64_t position); uint32_t (*truncate)(void *user_data); void *user_data; } mp4ff_callback_t; /* metadata tag structure */ typedef struct { char *item; char *value; } mp4ff_tag_t; /* metadata list structure */ typedef struct { mp4ff_tag_t *tags; uint32_t count; } mp4ff_metadata_t; typedef struct { int32_t type; int32_t channelCount; int32_t sampleSize; uint16_t sampleRate; int32_t audioType; /* stsd */ int32_t stsd_entry_count; /* stsz */ int32_t stsz_sample_size; int32_t stsz_sample_count; int32_t *stsz_table; /* stts */ int32_t stts_entry_count; int32_t *stts_sample_count; int32_t *stts_sample_delta; /* stsc */ int32_t stsc_entry_count; int32_t *stsc_first_chunk; int32_t *stsc_samples_per_chunk; int32_t *stsc_sample_desc_index; /* stsc */ int32_t stco_entry_count; int32_t *stco_chunk_offset; /* ctts */ int32_t ctts_entry_count; int32_t *ctts_sample_count; int32_t *ctts_sample_offset; /* esde */ uint8_t *decoderConfig; int32_t decoderConfigLen; uint32_t maxBitrate; uint32_t avgBitrate; uint32_t timeScale; uint64_t duration; #ifdef ITUNES_DRM /* drms */ void *p_drms; #endif } mp4ff_track_t; /* mp4 main file structure */ typedef struct { /* stream to read from */ mp4ff_callback_t *stream; int64_t current_position; int32_t moov_read; uint64_t moov_offset; uint64_t moov_size; uint8_t last_atom; uint64_t file_size; /* mvhd */ int32_t time_scale; int32_t duration; /* incremental track index while reading the file */ int32_t total_tracks; /* track data */ mp4ff_track_t *track[MAX_TRACKS]; /* metadata */ mp4ff_metadata_t tags; } mp4ff_t; /* mp4util.c */ int32_t mp4ff_read_data(mp4ff_t *f, int8_t *data, uint32_t size); int32_t mp4ff_write_data(mp4ff_t *f, int8_t *data, uint32_t size); uint64_t mp4ff_read_int64(mp4ff_t *f); uint32_t mp4ff_read_int32(mp4ff_t *f); uint32_t mp4ff_read_int24(mp4ff_t *f); uint16_t mp4ff_read_int16(mp4ff_t *f); uint8_t mp4ff_read_char(mp4ff_t *f); int32_t mp4ff_write_int32(mp4ff_t *f,const uint32_t data); uint32_t mp4ff_read_mp4_descr_length(mp4ff_t *f); int64_t mp4ff_position(const mp4ff_t *f); int32_t mp4ff_set_position(mp4ff_t *f, const int64_t position); int32_t mp4ff_truncate(mp4ff_t * f); char * mp4ff_read_string(mp4ff_t * f,uint32_t length); /* mp4atom.c */ static int32_t mp4ff_atom_get_size(const int8_t *data); static int32_t mp4ff_atom_compare(const int8_t a1, const int8_t b1, const int8_t c1, const int8_t d1, const int8_t a2, const int8_t b2, const int8_t c2, const int8_t d2); static uint8_t mp4ff_atom_name_to_type(const int8_t a, const int8_t b, const int8_t c, const int8_t d); uint64_t mp4ff_atom_read_header(mp4ff_t *f, uint8_t *atom_type, uint8_t *header_size); static int32_t mp4ff_read_stsz(mp4ff_t *f); static int32_t mp4ff_read_esds(mp4ff_t *f); static int32_t mp4ff_read_mp4a(mp4ff_t *f); static int32_t mp4ff_read_stsd(mp4ff_t *f); static int32_t mp4ff_read_stsc(mp4ff_t *f); static int32_t mp4ff_read_stco(mp4ff_t *f); static int32_t mp4ff_read_stts(mp4ff_t *f); #ifdef USE_TAGGING static int32_t mp4ff_read_meta(mp4ff_t *f, const uint64_t size); #endif int32_t mp4ff_atom_read(mp4ff_t *f, const int32_t size, const uint8_t atom_type); /* mp4sample.c */ static int32_t mp4ff_chunk_of_sample(const mp4ff_t *f, const int32_t track, const int32_t sample, int32_t *chunk_sample, int32_t *chunk); static int32_t mp4ff_chunk_to_offset(const mp4ff_t *f, const int32_t track, const int32_t chunk); static int32_t mp4ff_sample_range_size(const mp4ff_t *f, const int32_t track, const int32_t chunk_sample, const int32_t sample); static int32_t mp4ff_sample_to_offset(const mp4ff_t *f, const int32_t track, const int32_t sample); int32_t mp4ff_audio_frame_size(const mp4ff_t *f, const int32_t track, const int32_t sample); int32_t mp4ff_set_sample_position(mp4ff_t *f, const int32_t track, const int32_t sample); #ifdef USE_TAGGING /* mp4meta.c */ static int32_t mp4ff_tag_add_field(mp4ff_metadata_t *tags, const char *item, const char *value); static int32_t mp4ff_tag_set_field(mp4ff_metadata_t *tags, const char *item, const char *value); static int32_t mp4ff_set_metadata_name(mp4ff_t *f, const uint8_t atom_type, char **name); static int32_t mp4ff_parse_tag(mp4ff_t *f, const uint8_t parent_atom_type, const int32_t size); static int32_t mp4ff_meta_find_by_name(const mp4ff_t *f, const char *item, char **value); int32_t mp4ff_parse_metadata(mp4ff_t *f, const int32_t size); int32_t mp4ff_tag_delete(mp4ff_metadata_t *tags); int32_t mp4ff_meta_get_num_items(const mp4ff_t *f); int32_t mp4ff_meta_get_by_index(const mp4ff_t *f, uint32_t index, char **item, char **value); int32_t mp4ff_meta_get_title(const mp4ff_t *f, char **value); int32_t mp4ff_meta_get_artist(const mp4ff_t *f, char **value); int32_t mp4ff_meta_get_writer(const mp4ff_t *f, char **value); int32_t mp4ff_meta_get_album(const mp4ff_t *f, char **value); int32_t mp4ff_meta_get_date(const mp4ff_t *f, char **value); int32_t mp4ff_meta_get_tool(const mp4ff_t *f, char **value); int32_t mp4ff_meta_get_comment(const mp4ff_t *f, char **value); int32_t mp4ff_meta_get_genre(const mp4ff_t *f, char **value); int32_t mp4ff_meta_get_track(const mp4ff_t *f, char **value); int32_t mp4ff_meta_get_disc(const mp4ff_t *f, char **value); int32_t mp4ff_meta_get_compilation(const mp4ff_t *f, char **value); int32_t mp4ff_meta_get_tempo(const mp4ff_t *f, char **value); int32_t mp4ff_meta_get_coverart(const mp4ff_t *f, char **value); #endif /* mp4ff.c */ mp4ff_t *mp4ff_open_read(mp4ff_callback_t *f); #ifdef USE_TAGGING mp4ff_t *mp4ff_open_edit(mp4ff_callback_t *f); #endif void mp4ff_close(mp4ff_t *ff); void mp4ff_track_add(mp4ff_t *f); int32_t parse_sub_atoms(mp4ff_t *f, const uint64_t total_size,int meta_only); int32_t parse_atoms(mp4ff_t *f,int meta_only); int32_t mp4ff_get_sample_duration(const mp4ff_t *f, const int32_t track, const int32_t sample); int64_t mp4ff_get_sample_position(const mp4ff_t *f, const int32_t track, const int32_t sample); int32_t mp4ff_get_sample_offset(const mp4ff_t *f, const int32_t track, const int32_t sample); int32_t mp4ff_find_sample(const mp4ff_t *f, const int32_t track, const int64_t offset,int32_t * toskip); int32_t mp4ff_read_sample(mp4ff_t *f, const int32_t track, const int32_t sample, uint8_t **audio_buffer, uint32_t *bytes); int32_t mp4ff_get_decoder_config(const mp4ff_t *f, const int32_t track, uint8_t** ppBuf, uint32_t* pBufSize); int32_t mp4ff_total_tracks(const mp4ff_t *f); int32_t mp4ff_time_scale(const mp4ff_t *f, const int32_t track); int32_t mp4ff_num_samples(const mp4ff_t *f, const int32_t track); uint32_t mp4ff_meta_genre_to_index(const char * genrestr);//returns 1-based index, 0 if not found const char * mp4ff_meta_index_to_genre(uint32_t idx);//returns pointer to static string #ifdef __cplusplus } #endif /* __cplusplus */ #endif