ref: 064740662b4b78775c62f610a84dc17969a1aabf
dir: /common/mp4ff/private.h/
#ifndef PRIVATE_H
#define PRIVATE_H
/* ================================= structures */
#define HEADER_LENGTH 8
#define MAXTRACKS 1024
#ifdef _WIN32
typedef __int8 int8_t;
typedef unsigned __int8 uint8_t;
typedef __int16 int16_t;
typedef unsigned __int16 uint16_t;
typedef __int32 int32_t;
typedef unsigned __int32 uint32_t;
typedef __int64 int64_t;
typedef unsigned __int64 uint64_t;
#else
#ifdef HAVE_INTTYPES_H
#include <inttypes.h>
#else
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif
#define u_int8_t uint8_t
#define u_int16_t uint16_t
#define u_int32_t uint32_t
#define u_int64_t uint64_t
#endif
#endif
typedef struct
{
float values[9];
} mp4ff_matrix_t;
typedef struct
{
int version;
long flags;
unsigned long creation_time;
unsigned long modification_time;
int track_id;
long reserved1;
long duration;
char reserved2[8];
int layer;
int alternate_group;
float volume;
long reserved3;
mp4ff_matrix_t matrix;
float track_width;
float track_height;
int is_video;
int is_audio;
} mp4ff_tkhd_t;
/* ===================== sample table ======================== // */
/* sample description */
typedef struct
{
int version;
long flags;
int decoderConfigLen;
unsigned char* decoderConfig;
} mp4ff_esds_t;
typedef struct
{
char format[4];
char reserved[6];
int data_reference;
/* common to audio and video */
int version;
int revision;
char vendor[4];
/* video description */
long temporal_quality;
long spatial_quality;
int width;
int height;
float dpi_horizontal;
float dpi_vertical;
long data_size;
int frames_per_sample;
char compressor_name[32];
int depth;
float gamma;
int fields; /* 0, 1, or 2 */
int field_dominance; /* 0 - unknown 1 - top first 2 - bottom first */
/* audio description */
int channels;
int sample_size;
int compression_id;
int packet_size;
float sample_rate;
/* MP4 elementary stream descriptor */
mp4ff_esds_t esds;
} mp4ff_stsd_table_t;
typedef struct
{
int version;
long flags;
long total_entries;
mp4ff_stsd_table_t *table;
} mp4ff_stsd_t;
/* time to sample */
typedef struct
{
long sample_count;
long sample_duration;
} mp4ff_stts_table_t;
typedef struct
{
int version;
long flags;
long total_entries;
long entries_allocated;
mp4ff_stts_table_t *table;
} mp4ff_stts_t;
/* sync sample */
typedef struct
{
long sample;
} mp4ff_stss_table_t;
typedef struct
{
int version;
long flags;
long total_entries;
long entries_allocated;
mp4ff_stss_table_t *table;
} mp4ff_stss_t;
/* sample to chunk */
typedef struct
{
long chunk;
long samples;
long id;
} mp4ff_stsc_table_t;
typedef struct
{
int version;
long flags;
long total_entries;
long entries_allocated;
mp4ff_stsc_table_t *table;
} mp4ff_stsc_t;
/* sample size */
typedef struct
{
long size;
} mp4ff_stsz_table_t;
typedef struct
{
int version;
long flags;
long sample_size;
long total_entries;
long entries_allocated; /* used by the library for allocating a table */
mp4ff_stsz_table_t *table;
} mp4ff_stsz_t;
/* chunk offset */
typedef struct
{
long offset;
} mp4ff_stco_table_t;
typedef struct
{
int version;
long flags;
long total_entries;
long entries_allocated; /* used by the library for allocating a table */
mp4ff_stco_table_t *table;
} mp4ff_stco_t;
/* composition time to sample */
typedef struct
{
long sample_count;
long sample_offset;
} mp4ff_ctts_table_t;
typedef struct
{
int version;
long flags;
long total_entries;
long entries_allocated;
mp4ff_ctts_table_t *table;
} mp4ff_ctts_t;
/* sample table */
typedef struct
{
int version;
long flags;
mp4ff_stsd_t stsd;
mp4ff_stts_t stts;
mp4ff_stss_t stss;
mp4ff_stsc_t stsc;
mp4ff_stsz_t stsz;
mp4ff_stco_t stco;
mp4ff_ctts_t ctts;
} mp4ff_stbl_t;
/* data reference */
typedef struct
{
long size;
char type[4];
int version;
long flags;
char *data_reference;
} mp4ff_dref_table_t;
typedef struct
{
int version;
long flags;
long total_entries;
mp4ff_dref_table_t *table;
} mp4ff_dref_t;
/* data information */
typedef struct
{
mp4ff_dref_t dref;
} mp4ff_dinf_t;
/* video media header */
typedef struct
{
int version;
long flags;
int graphics_mode;
int opcolor[3];
} mp4ff_vmhd_t;
/* sound media header */
typedef struct
{
int version;
long flags;
int balance;
int reserved;
} mp4ff_smhd_t;
/* handler reference */
typedef struct
{
int version;
long flags;
char component_type[4];
char component_subtype[4];
long component_manufacturer;
long component_flags;
long component_flag_mask;
char component_name[256];
} mp4ff_hdlr_t;
/* media information */
typedef struct
{
int is_video;
int is_audio;
mp4ff_vmhd_t vmhd;
mp4ff_smhd_t smhd;
mp4ff_stbl_t stbl;
mp4ff_hdlr_t hdlr;
mp4ff_dinf_t dinf;
} mp4ff_minf_t;
/* media header */
typedef struct
{
int version;
long flags;
unsigned long creation_time;
unsigned long modification_time;
long time_scale;
long duration;
int language;
int quality;
} mp4ff_mdhd_t;
/* media */
typedef struct
{
mp4ff_mdhd_t mdhd;
mp4ff_minf_t minf;
mp4ff_hdlr_t hdlr;
} mp4ff_mdia_t;
/* edit list */
typedef struct
{
long duration;
long time;
float rate;
} mp4ff_elst_table_t;
typedef struct
{
int version;
long flags;
long total_entries;
mp4ff_elst_table_t *table;
} mp4ff_elst_t;
typedef struct
{
mp4ff_elst_t elst;
} mp4ff_edts_t;
typedef struct
{
mp4ff_tkhd_t tkhd;
mp4ff_mdia_t mdia;
mp4ff_edts_t edts;
} mp4ff_trak_t;
typedef struct
{
int version;
long flags;
int audioProfileId;
int videoProfileId;
} mp4ff_iods_t;
typedef struct
{
int version;
long flags;
unsigned long creation_time;
unsigned long modification_time;
long time_scale;
long duration;
float preferred_rate;
float preferred_volume;
char reserved[10];
mp4ff_matrix_t matrix;
long preview_time;
long preview_duration;
long poster_time;
long selection_time;
long selection_duration;
long current_time;
long next_track_id;
} mp4ff_mvhd_t;
typedef struct
{
char *copyright;
int copyright_len;
char *name;
int name_len;
char *info;
int info_len;
} mp4ff_udta_t;
typedef struct
{
int total_tracks;
mp4ff_mvhd_t mvhd;
mp4ff_iods_t iods;
mp4ff_trak_t *trak[MAXTRACKS];
mp4ff_udta_t udta;
} mp4ff_moov_t;
typedef struct
{
long start;
long size;
} mp4ff_mdat_t;
typedef struct
{
long start; /* byte start in file */
long end; /* byte endpoint in file */
long size; /* byte size for writing */
char type[4];
} mp4ff_atom_t;
/* table of pointers to every track */
typedef struct
{
mp4ff_trak_t *track; /* real quicktime track corresponding to this table */
int channels; /* number of audio channels in the track */
long current_position; /* current sample in output file */
long current_chunk; /* current chunk in output file */
void *codec;
} mp4ff_audio_map_t;
typedef struct
{
mp4ff_trak_t *track;
long current_position;
long current_chunk;
/* Array of pointers to frames of raw data when caching frames. */
unsigned char **frame_cache;
long frames_cached;
void *codec;
} mp4ff_video_map_t;
/* file descriptor passed to all routines */
typedef struct
{
size_t (*read)(void *buffer, size_t length);
size_t (*write)(void *buffer, size_t length);
int64_t (*get_position)();
int64_t (*get_length)();
int (*seek)(int64_t position);
} mp4_callback_t;
typedef struct
{
mp4_callback_t *stream;
long total_length;
mp4ff_mdat_t mdat;
mp4ff_moov_t moov;
int rd;
int wr;
/* mapping of audio channels to movie tracks */
/* one audio map entry exists for each channel */
int total_atracks;
mp4ff_audio_map_t *atracks;
/* mapping of video tracks to movie tracks */
int total_vtracks;
mp4ff_video_map_t *vtracks;
/* for begining and ending frame writes where the user wants to write the */
/* file descriptor directly */
long offset;
/* I/O */
long file_position; /* Current position of file descriptor */
/* Parameters for frame currently being decoded */
int do_scaling;
int in_x, in_y, in_w, in_h, out_w, out_h;
int color_model;
/* Cached value for mp4ff_video_frame */
long last_frame;
long last_start;
int last_stts_index;
} mp4ff_t;
#endif