ref: 064740662b4b78775c62f610a84dc17969a1aabf
dir: /common/mp4ff/funcprotos.h/
#ifndef FUNCPROTOS_H #define FUNCPROTOS_H /* atom handling routines */ long mp4ff_atom_read_size(char *data); uint64_t mp4ff_atom_read_size64(char *data); int mp4ff_atom_write_header(mp4ff_t *file, mp4ff_atom_t *atom, char *text); int mp4ff_atom_read_header(mp4ff_t *file, mp4ff_atom_t *atom); int mp4ff_atom_write_footer(mp4ff_t *file, mp4ff_atom_t *atom); mp4ff_trak_t* mp4ff_add_track(mp4ff_moov_t *moov); mp4ff_trak_t* mp4ff_find_track_by_id(mp4ff_moov_t *moov, int trackId); /* initializers for every atom */ int mp4ff_matrix_init(mp4ff_matrix_t *matrix); int mp4ff_edts_init_table(mp4ff_edts_t *edts); int mp4ff_edts_init(mp4ff_edts_t *edts); int mp4ff_elst_init(mp4ff_elst_t *elst); int mp4ff_elst_init_all(mp4ff_elst_t *elst); int mp4ff_elst_table_init(mp4ff_elst_table_t *table); /* initialize a table */ int mp4ff_tkhd_init(mp4ff_tkhd_t *tkhd); int mp4ff_tkhd_init_video(mp4ff_t *file, mp4ff_tkhd_t *tkhd, int frame_w, int frame_h); int mp4ff_stsd_table_init(mp4ff_stsd_table_t *table); int mp4ff_stsd_init(mp4ff_stsd_t *stsd); int mp4ff_stsd_init_table(mp4ff_stsd_t *stsd); int mp4ff_stsd_init_video(mp4ff_t *file, mp4ff_stsd_t *stsd, int frame_w, int frame_h, float frame_rate, char *compression); int mp4ff_stsd_init_audio(mp4ff_t *file, mp4ff_stsd_t *stsd, int channels, int sample_rate, int bits, char *compressor); int mp4ff_stts_init(mp4ff_stts_t *stts); int mp4ff_stts_init_table(mp4ff_stts_t *stts); int mp4ff_stts_init_video(mp4ff_t *file, mp4ff_stts_t *stts, int time_scale, float frame_rate); int mp4ff_stts_init_audio(mp4ff_t *file, mp4ff_stts_t *stts, int time_scale, int sample_duration); int mp4ff_stss_init(mp4ff_stss_t *stss); int mp4ff_stss_init_common(mp4ff_t *file, mp4ff_stss_t *stss); int mp4ff_stsc_init(mp4ff_stsc_t *stsc); int mp4ff_stsc_init_video(mp4ff_t *file, mp4ff_stsc_t *stsc); int mp4ff_stsc_init_audio(mp4ff_t *file, mp4ff_stsc_t *stsc); int mp4ff_stsz_init(mp4ff_stsz_t *stsz); int mp4ff_stsz_init_video(mp4ff_t *file, mp4ff_stsz_t *stsz); int mp4ff_stsz_init_audio(mp4ff_t *file, mp4ff_stsz_t *stsz, int sample_size); int mp4ff_stco_init(mp4ff_stco_t *stco); int mp4ff_stco_init_common(mp4ff_t *file, mp4ff_stco_t *stco); int mp4ff_stbl_init(mp4ff_stbl_t *tkhd); int mp4ff_stbl_init_video(mp4ff_t *file, mp4ff_stbl_t *stbl, int frame_w, int frame_h, int time_scale, float frame_rate, char *compressor); int mp4ff_stbl_init_audio(mp4ff_t *file, mp4ff_stbl_t *stbl, int channels, int sample_rate, int bits, int sample_size, int time_scale, int sample_duration, char *compressor); int mp4ff_vmhd_init(mp4ff_vmhd_t *vmhd); int mp4ff_vmhd_init_video(mp4ff_t *file, mp4ff_vmhd_t *vmhd, int frame_w, int frame_h, float frame_rate); int mp4ff_smhd_init(mp4ff_smhd_t *smhd); int mp4ff_dref_table_init(mp4ff_dref_table_t *table); int mp4ff_dref_init_all(mp4ff_dref_t *dref); int mp4ff_dref_init(mp4ff_dref_t *dref); int mp4ff_dinf_init_all(mp4ff_dinf_t *dinf); int mp4ff_dinf_init(mp4ff_dinf_t *dinf); int mp4ff_minf_init(mp4ff_minf_t *minf); int mp4ff_minf_init_video(mp4ff_t *file, mp4ff_minf_t *minf, int frame_w, int frame_h, int time_scale, float frame_rate, char *compressor); int mp4ff_minf_init_audio(mp4ff_t *file, mp4ff_minf_t *minf, int channels, int sample_rate, int bits, int sample_size, int time_scale, int sample_duration, char *compressor); int mp4ff_mdhd_init(mp4ff_mdhd_t *mdhd); int mp4ff_mdhd_init_video(mp4ff_t *file, mp4ff_mdhd_t *mdhd, int time_scale); int mp4ff_mdhd_init_audio(mp4ff_t *file, mp4ff_mdhd_t *mdhd, int time_scale); int mp4ff_mdia_init(mp4ff_mdia_t *mdia); int mp4ff_mdia_init_video(mp4ff_t *file, mp4ff_mdia_t *mdia, int frame_w, int frame_h, float frame_rate, int time_scale, char *compressor); int mp4ff_mdia_init_audio(mp4ff_t *file, mp4ff_mdia_t *mdia, int channels, int sample_rate, int bits, int sample_size, int time_scale, int sample_duration, char *compressor); int mp4ff_trak_init(mp4ff_trak_t *trak); int mp4ff_trak_init_video(mp4ff_t *file, mp4ff_trak_t *trak, int frame_w, int frame_h, float frame_rate, int time_scale, char *compressor); int mp4ff_trak_init_audio(mp4ff_t *file, mp4ff_trak_t *trak, int channels, int sample_rate, int bits, int sample_size, int time_scale, int sample_duration, char *compressor); int mp4ff_udta_init(mp4ff_udta_t *udta); int mp4ff_mvhd_init(mp4ff_mvhd_t *mvhd); int mp4ff_moov_init(mp4ff_moov_t *moov); int mp4ff_mdat_init(mp4ff_mdat_t *mdat); int mp4ff_init(mp4ff_t *file); int mp4ff_hdlr_init(mp4ff_hdlr_t *hdlr); int mp4ff_hdlr_init_video(mp4ff_hdlr_t *hdlr); int mp4ff_hdlr_init_audio(mp4ff_hdlr_t *hdlr); int mp4ff_hdlr_init_data(mp4ff_hdlr_t *hdlr); /* utilities for reading data types */ int mp4ff_read_data(mp4ff_t *file, char *data, int size); int mp4ff_write_data(mp4ff_t *file, char *data, int size); int mp4ff_read_pascal(mp4ff_t *file, char *data); int mp4ff_write_pascal(mp4ff_t *file, char *data); float mp4ff_read_fixed32(mp4ff_t *file); int mp4ff_write_fixed32(mp4ff_t *file, float number); float mp4ff_read_fixed16(mp4ff_t *file); int mp4ff_write_fixed16(mp4ff_t *file, float number); uint64_t mp4ff_read_int64(mp4ff_t *file); int mp4ff_write_int64(mp4ff_t *file, uint64_t number); long mp4ff_read_int32(mp4ff_t *file); int mp4ff_write_int32(mp4ff_t *file, long number); long mp4ff_read_int24(mp4ff_t *file); int mp4ff_write_int24(mp4ff_t *file, long number); int mp4ff_read_int16(mp4ff_t *file); int mp4ff_write_int16(mp4ff_t *file, int number); int mp4ff_read_char(mp4ff_t *file); int mp4ff_write_char(mp4ff_t *file, char x); int mp4ff_read_char32(mp4ff_t *file, char *string); int mp4ff_write_char32(mp4ff_t *file, char *string); int mp4ff_copy_char32(char *output, char *input); long mp4ff_position(mp4ff_t *file); int mp4ff_read_mp4_descr_length(mp4ff_t *file); int mp4ff_write_mp4_descr_length(mp4ff_t *file, int length, unsigned char compact); /* Most codecs don't specify the actual number of bits on disk in the stbl. */ /* Convert the samples to the number of bytes for reading depending on the codec. */ long mp4ff_samples_to_bytes(mp4ff_trak_t *track, long samples); /* chunks always start on 1 */ /* samples start on 0 */ /* queries for every atom */ /* the starting sample in the given chunk */ long mp4ff_sample_of_chunk(mp4ff_trak_t *trak, long chunk); /* number of samples in the chunk */ long mp4ff_chunk_samples(mp4ff_trak_t *trak, long chunk); /* the byte offset from mdat start of the chunk */ long mp4ff_chunk_to_offset(mp4ff_trak_t *trak, long chunk); /* the chunk of any offset from mdat start */ long mp4ff_offset_to_chunk(long *chunk_offset, mp4ff_trak_t *trak, long offset); /* the total number of samples in the track depending on the access mode */ long mp4ff_track_samples(mp4ff_t *file, mp4ff_trak_t *trak); /* total bytes between the two samples */ long mp4ff_sample_range_size(mp4ff_trak_t *trak, long chunk_sample, long sample); /* update the position pointers in all the tracks after a set_position */ int mp4ff_update_positions(mp4ff_t *file); /* converting between mdat offsets to samples */ long mp4ff_sample_to_offset(mp4ff_trak_t *trak, long sample); long mp4ff_offset_to_sample(mp4ff_trak_t *trak, long offset); mp4ff_trak_t* mp4ff_add_trak(mp4ff_moov_t *moov); int mp4ff_delete_trak(mp4ff_moov_t *moov, mp4ff_trak_t *trak); int mp4ff_get_timescale(float frame_rate); /* update all the tables after writing a buffer */ /* set sample_size to 0 if no sample size should be set */ int mp4ff_update_tables(mp4ff_t *file, mp4ff_trak_t *trak, long offset, long chunk, long sample, long samples, long sample_size, long sample_duration, unsigned char isSyncSample, long renderingOffset); unsigned long mp4ff_current_time(); void mp4ff_print_chars(char *desc, char *input, int len); #endif