#ifndef PRIVATE_H #define PRIVATE_H /* ================================= structures */ #define HEADER_LENGTH 8 #define MAXTRACKS 1024 #include "sizes.h" typedef struct { float values[9]; } quicktime_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; quicktime_matrix_t matrix; float track_width; float track_height; int is_video; int is_audio; int is_hint; } quicktime_tkhd_t; typedef struct { long seed; long flags; long size; short int *alpha; short int *red; short int *green; short int *blue; } quicktime_ctab_t; /* ===================== sample table ======================== // */ /* sample description */ typedef struct { int motion_jpeg_quantization_table; } quicktime_mjqt_t; typedef struct { int motion_jpeg_huffman_table; } quicktime_mjht_t; typedef struct { int timeScale; } quicktime_tims_t; typedef struct { int version; long flags; int decoderConfigLen; u_char* decoderConfig; } quicktime_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; int ctab_id; quicktime_ctab_t ctab; float gamma; int fields; /* 0, 1, or 2 */ int field_dominance; /* 0 - unknown 1 - top first 2 - bottom first */ quicktime_mjqt_t mjqt; quicktime_mjht_t mjht; /* audio description */ int channels; int sample_size; int compression_id; int packet_size; float sample_rate; /* hint description */ int maxPktSize; quicktime_tims_t tims; /* MP4 elementary stream descriptor */ quicktime_esds_t esds; } quicktime_stsd_table_t; typedef struct { int version; long flags; long total_entries; quicktime_stsd_table_t *table; } quicktime_stsd_t; /* time to sample */ typedef struct { long sample_count; long sample_duration; } quicktime_stts_table_t; typedef struct { int version; long flags; long total_entries; long entries_allocated; quicktime_stts_table_t *table; } quicktime_stts_t; /* sync sample */ typedef struct { long sample; } quicktime_stss_table_t; typedef struct { int version; long flags; long total_entries; long entries_allocated; quicktime_stss_table_t *table; } quicktime_stss_t; /* sample to chunk */ typedef struct { long chunk; long samples; long id; } quicktime_stsc_table_t; typedef struct { int version; long flags; long total_entries; long entries_allocated; quicktime_stsc_table_t *table; } quicktime_stsc_t; /* sample size */ typedef struct { long size; } quicktime_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 */ quicktime_stsz_table_t *table; } quicktime_stsz_t; /* chunk offset */ typedef struct { long offset; } quicktime_stco_table_t; typedef struct { int version; long flags; long total_entries; long entries_allocated; /* used by the library for allocating a table */ quicktime_stco_table_t *table; } quicktime_stco_t; /* composition time to sample */ typedef struct { long sample_count; long sample_offset; } quicktime_ctts_table_t; typedef struct { int version; long flags; long total_entries; long entries_allocated; quicktime_ctts_table_t *table; } quicktime_ctts_t; /* sample table */ typedef struct { int version; long flags; quicktime_stsd_t stsd; quicktime_stts_t stts; quicktime_stss_t stss; quicktime_stsc_t stsc; quicktime_stsz_t stsz; quicktime_stco_t stco; quicktime_ctts_t ctts; } quicktime_stbl_t; /* data reference */ typedef struct { long size; char type[4]; int version; long flags; char *data_reference; } quicktime_dref_table_t; typedef struct { int version; long flags; long total_entries; quicktime_dref_table_t *table; } quicktime_dref_t; /* data information */ typedef struct { quicktime_dref_t dref; } quicktime_dinf_t; /* video media header */ typedef struct { int version; long flags; int graphics_mode; int opcolor[3]; } quicktime_vmhd_t; /* sound media header */ typedef struct { int version; long flags; int balance; int reserved; } quicktime_smhd_t; /* generic media handler */ typedef struct { int version; long flags; int graphics_mode; int opcolor[3]; int balance; int reserved; } quicktime_gmin_t; typedef struct { quicktime_gmin_t gmin; } quicktime_gmhd_t; /* hint media handler */ typedef struct { int version; long flags; int maxPDUsize; int avgPDUsize; long maxbitrate; long avgbitrate; long slidingavgbitrate; } quicktime_hmhd_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]; } quicktime_hdlr_t; /* media information */ typedef struct { int is_video; int is_audio; int is_hint; quicktime_vmhd_t vmhd; quicktime_smhd_t smhd; quicktime_gmhd_t gmhd; quicktime_hmhd_t hmhd; quicktime_stbl_t stbl; quicktime_hdlr_t hdlr; quicktime_dinf_t dinf; } quicktime_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; } quicktime_mdhd_t; /* media */ typedef struct { quicktime_mdhd_t mdhd; quicktime_minf_t minf; quicktime_hdlr_t hdlr; } quicktime_mdia_t; /* hint */ typedef struct { int numTracks; long trackIds[MAXTRACKS]; void* traks[MAXTRACKS]; } quicktime_hint_t; /* tref */ typedef struct { quicktime_hint_t hint; } quicktime_tref_t; /* edit list */ typedef struct { long duration; long time; float rate; } quicktime_elst_table_t; typedef struct { int version; long flags; long total_entries; quicktime_elst_table_t *table; } quicktime_elst_t; typedef struct { quicktime_elst_t elst; } quicktime_edts_t; typedef struct { u_int64_t numBytes; /* bytes sent including 12 byte RTP hdrs */ } quicktime_trpy_t; typedef struct { u_int64_t numPackets; /* packets sent */ } quicktime_nump_t; typedef struct { u_int64_t numBytes; /* bytes sent of just payload data */ } quicktime_tpyl_t; typedef struct { u_int32_t granularity; u_int32_t maxBitRate; } quicktime_maxr_t; typedef struct { u_int64_t numBytes; /* bytes sent from media data */ } quicktime_dmed_t; typedef struct { u_int64_t numBytes; /* bytes of immediate data */ } quicktime_dimm_t; typedef struct { u_int64_t numBytes; /* bytes of repeated data */ } quicktime_drep_t; typedef struct { int32_t milliSecs; /* min relative xmit time */ } quicktime_tmin_t; typedef struct { int32_t milliSecs; /* max relative xmit time */ } quicktime_tmax_t; typedef struct { u_int32_t numBytes; /* largest packet size */ } quicktime_pmax_t; typedef struct { u_int32_t milliSecs; /* longest packet duration */ } quicktime_dmax_t; typedef struct { u_int32_t payloadNumber; /* RTP payload number */ char rtpMapString[256]; /* TBD make this dynamically sized */ } quicktime_payt_t; typedef struct { quicktime_trpy_t trpy; quicktime_nump_t nump; quicktime_tpyl_t tpyl; quicktime_maxr_t maxr; /* TBD there can be multiple such atoms */ quicktime_dmed_t dmed; quicktime_dimm_t dimm; quicktime_drep_t drep; quicktime_tmin_t tmin; quicktime_tmax_t tmax; quicktime_pmax_t pmax; quicktime_dmax_t dmax; quicktime_payt_t payt; } quicktime_hinf_t; typedef struct { char* string; } quicktime_sdp_t; typedef struct { char* string; } quicktime_rtp_t; typedef struct { quicktime_sdp_t sdp; } quicktime_hint_hnti_t; typedef struct { quicktime_rtp_t rtp; } quicktime_hnti_t; typedef struct { /* TBD name */ quicktime_hinf_t hinf; quicktime_hint_hnti_t hnti; } quicktime_hint_udta_t; typedef struct { quicktime_tkhd_t tkhd; quicktime_mdia_t mdia; quicktime_edts_t edts; quicktime_tref_t tref; quicktime_hint_udta_t hint_udta; } quicktime_trak_t; typedef struct { int version; long flags; int audioProfileId; int videoProfileId; } quicktime_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]; quicktime_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; } quicktime_mvhd_t; typedef struct { char *copyright; int copyright_len; char *name; int name_len; char *info; int info_len; quicktime_hnti_t hnti; } quicktime_udta_t; typedef struct { int total_tracks; quicktime_mvhd_t mvhd; quicktime_iods_t iods; quicktime_trak_t *trak[MAXTRACKS]; quicktime_udta_t udta; quicktime_ctab_t ctab; } quicktime_moov_t; typedef struct { long start; long size; } quicktime_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]; } quicktime_atom_t; /* table of pointers to every track */ typedef struct { quicktime_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; /* Array of hint tracks for this audio track */ int totalHintTracks; quicktime_trak_t *hintTracks[MAXTRACKS]; long hintPositions[MAXTRACKS]; } quicktime_audio_map_t; typedef struct { quicktime_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; /* Array of hint tracks for this video track */ int totalHintTracks; quicktime_trak_t *hintTracks[MAXTRACKS]; long hintPositions[MAXTRACKS]; } quicktime_video_map_t; /* file descriptor passed to all routines */ typedef struct { FILE *stream; long total_length; quicktime_mdat_t mdat; quicktime_moov_t moov; int rd; int wr; int use_avi; int use_mp4; /* mapping of audio channels to movie tracks */ /* one audio map entry exists for each channel */ int total_atracks; quicktime_audio_map_t *atracks; /* mapping of video tracks to movie tracks */ int total_vtracks; quicktime_video_map_t *vtracks; int total_hint_tracks; /* for begining and ending frame writes where the user wants to write the */ /* file descriptor directly */ long offset; /* Number of processors at our disposal */ int cpus; /* I/O */ long file_position; /* Current position of file descriptor */ /* Read ahead buffer */ long preload_size; /* Enables preload when nonzero. */ char *preload_buffer; long preload_start; /* Start of preload_buffer in file */ long preload_end; /* End of preload buffer in file */ long preload_ptr; /* Offset of preload_start in preload_buffer */ /* 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 quicktime_video_frame */ long last_frame; long last_start; int last_stts_index; } quicktime_t; #endif
