diff options
Diffstat (limited to 'faad2/src/common/mp4ff/mp4ffint.h')
| -rw-r--r-- | faad2/src/common/mp4ff/mp4ffint.h | 344 |
1 files changed, 344 insertions, 0 deletions
diff --git a/faad2/src/common/mp4ff/mp4ffint.h b/faad2/src/common/mp4ff/mp4ffint.h new file mode 100644 index 0000000..8052d43 --- /dev/null +++ b/faad2/src/common/mp4ff/mp4ffint.h @@ -0,0 +1,344 @@ +/*
+** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
+** Copyright (C) 2003-2005 M. Bakker, Nero 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.
+**
+** The "appropriate copyright message" mentioned in section 2c of the GPLv2
+** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com"
+**
+** Commercial non-GPL licensing of this software is possible.
+** For more info contact Nero AG through Mpeg4AAClicense@nero.com.
+**
+** $Id: mp4ffint.h,v 1.26 2009/01/25 20:14:34 menno Exp $
+**/
+
+#ifndef MP4FF_INTERNAL_H
+#define MP4FF_INTERNAL_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#include "mp4ff_int_types.h"
+#include <stdlib.h>
+
+#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_ALBUM_ARTIST 157
+#define ATOM_CONTENTGROUP 158
+#define ATOM_LYRICS 159
+#define ATOM_DESCRIPTION 160
+#define ATOM_NETWORK 161
+#define ATOM_SHOW 162
+#define ATOM_EPISODENAME 163
+#define ATOM_SORTTITLE 164
+#define ATOM_SORTALBUM 165
+#define ATOM_SORTARTIST 166
+#define ATOM_SORTALBUMARTIST 167
+#define ATOM_SORTWRITER 168
+#define ATOM_SORTSHOW 169
+#define ATOM_SEASON 170
+#define ATOM_EPISODE 171
+#define ATOM_PODCAST 172
+
+#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
+#else
+#define stricmp _stricmp
+#define strdup _strdup
+#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;
+
+} 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
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