/***************************************************************************** * libmp4.h : LibMP4 library for mp4 module for vlc ***************************************************************************** * Copyright (C) 2001-2004 VideoLAN * $Id$ * Authors: Laurent Aimar <fenrir@via.ecp.fr> * * 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, USA. *****************************************************************************/ #define FOURCC_uuid VLC_FOURCC( 'u', 'u', 'i', 'd' ) #define FOURCC_ftyp VLC_FOURCC( 'f', 't', 'y', 'p' ) #define FOURCC_moov VLC_FOURCC( 'm', 'o', 'o', 'v' ) #define FOURCC_foov VLC_FOURCC( 'f', 'o', 'o', 'v' ) #define FOURCC_cmov VLC_FOURCC( 'c', 'm', 'o', 'v' ) #define FOURCC_dcom VLC_FOURCC( 'd', 'c', 'o', 'm' ) #define FOURCC_cmvd VLC_FOURCC( 'c', 'm', 'v', 'd' ) #define FOURCC_moof VLC_FOURCC( 'm', 'o', 'o', 'f' ) #define FOURCC_mdat VLC_FOURCC( 'm', 'd', 'a', 't' ) #define FOURCC_skip VLC_FOURCC( 's', 'k', 'i', 'p' ) #define FOURCC_free VLC_FOURCC( 'f', 'r', 'e', 'e' ) #define FOURCC_udta VLC_FOURCC( 'u', 'd', 't', 'a' ) #define FOURCC_wide VLC_FOURCC( 'w', 'i', 'd', 'e' ) #define FOURCC_trak VLC_FOURCC( 't', 'r', 'a', 'k' ) #define FOURCC_mvhd VLC_FOURCC( 'm', 'v', 'h', 'd' ) #define FOURCC_tkhd VLC_FOURCC( 't', 'k', 'h', 'd' ) #define FOURCC_tref VLC_FOURCC( 't', 'r', 'e', 'f' ) #define FOURCC_mdia VLC_FOURCC( 'm', 'd', 'i', 'a' ) #define FOURCC_mdhd VLC_FOURCC( 'm', 'd', 'h', 'd' ) #define FOURCC_hdlr VLC_FOURCC( 'h', 'd', 'l', 'r' ) #define FOURCC_minf VLC_FOURCC( 'm', 'i', 'n', 'f' ) #define FOURCC_vmhd VLC_FOURCC( 'v', 'm', 'h', 'd' ) #define FOURCC_smhd VLC_FOURCC( 's', 'm', 'h', 'd' ) #define FOURCC_hmhd VLC_FOURCC( 'h', 'm', 'h', 'd' ) #define FOURCC_dinf VLC_FOURCC( 'd', 'i', 'n', 'f' ) #define FOURCC_url VLC_FOURCC( 'u', 'r', 'l', ' ' ) #define FOURCC_urn VLC_FOURCC( 'u', 'r', 'n', ' ' ) #define FOURCC_dref VLC_FOURCC( 'd', 'r', 'e', 'f' ) #define FOURCC_stbl VLC_FOURCC( 's', 't', 'b', 'l' ) #define FOURCC_stts VLC_FOURCC( 's', 't', 't', 's' ) #define FOURCC_ctts VLC_FOURCC( 'c', 't', 't', 's' ) #define FOURCC_stsd VLC_FOURCC( 's', 't', 's', 'd' ) #define FOURCC_stsz VLC_FOURCC( 's', 't', 's', 'z' ) #define FOURCC_stz2 VLC_FOURCC( 's', 't', 'z', '2' ) #define FOURCC_stsc VLC_FOURCC( 's', 't', 's', 'c' ) #define FOURCC_stco VLC_FOURCC( 's', 't', 'c', 'o' ) #define FOURCC_co64 VLC_FOURCC( 'c', 'o', '6', '4' ) #define FOURCC_stss VLC_FOURCC( 's', 't', 's', 's' ) #define FOURCC_stsh VLC_FOURCC( 's', 't', 's', 'h' ) #define FOURCC_stdp VLC_FOURCC( 's', 't', 'd', 'p' ) #define FOURCC_padb VLC_FOURCC( 'p', 'a', 'd', 'b' ) #define FOURCC_edts VLC_FOURCC( 'e', 'd', 't', 's' ) #define FOURCC_elst VLC_FOURCC( 'e', 'l', 's', 't' ) #define FOURCC_udta VLC_FOURCC( 'u', 'd', 't', 'a' ) #define FOURCC_mvex VLC_FOURCC( 'm', 'v', 'e', 'x' ) #define FOURCC_trex VLC_FOURCC( 't', 'r', 'e', 'x' ) #define FOURCC_mfhd VLC_FOURCC( 'm', 'f', 'h', 'd' ) #define FOURCC_traf VLC_FOURCC( 't', 'r', 'a', 'f' ) #define FOURCC_tfhd VLC_FOURCC( 't', 'f', 'h', 'd' ) #define FOURCC_trun VLC_FOURCC( 't', 'r', 'u', 'n' ) #define FOURCC_cprt VLC_FOURCC( 'c', 'p', 'r', 't' ) #define FOURCC_iods VLC_FOURCC( 'i', 'o', 'd', 's' ) #define FOURCC_nmhd VLC_FOURCC( 'n', 'm', 'h', 'd' ) #define FOURCC_mp4v VLC_FOURCC( 'm', 'p', '4', 'v' ) #define FOURCC_mp4a VLC_FOURCC( 'm', 'p', '4', 'a' ) #define FOURCC_mp4s VLC_FOURCC( 'm', 'p', '4', 's' ) #define FOURCC_vide VLC_FOURCC( 'v', 'i', 'd', 'e' ) #define FOURCC_soun VLC_FOURCC( 's', 'o', 'u', 'n' ) #define FOURCC_hint VLC_FOURCC( 'h', 'i', 'n', 't' ) #define FOURCC_dpnd VLC_FOURCC( 'd', 'p', 'n', 'd' ) #define FOURCC_ipir VLC_FOURCC( 'i', 'p', 'i', 'r' ) #define FOURCC_mpod VLC_FOURCC( 'm', 'p', 'o', 'd' ) #define FOURCC_hnti VLC_FOURCC( 'h', 'n', 't', 'i' ) #define FOURCC_rtp VLC_FOURCC( 'r', 't', 'p', ' ' ) #define FOURCC_isom VLC_FOURCC( 'i', 's', 'o', 'm' ) #define FOURCC_esds VLC_FOURCC( 'e', 's', 'd', 's' ) #define FOURCC__mp3 VLC_FOURCC( '.', 'm', 'p', '3' ) #define FOURCC_ms02 VLC_FOURCC( 'm', 's', 0x0, 0x02 ) #define FOURCC_ms11 VLC_FOURCC( 'm', 's', 0x0, 0x11 ) #define FOURCC_ms55 VLC_FOURCC( 'm', 's', 0x0, 0x55 ) #define FOURCC_twos VLC_FOURCC( 't', 'w', 'o', 's' ) #define FOURCC_sowt VLC_FOURCC( 's', 'o', 'w', 't' ) #define FOURCC_QDMC VLC_FOURCC( 'Q', 'D', 'M', 'C' ) #define FOURCC_QDM2 VLC_FOURCC( 'Q', 'D', 'M', '2' ) #define FOURCC_ima4 VLC_FOURCC( 'i', 'm', 'a', '4' ) #define FOURCC_IMA4 VLC_FOURCC( 'I', 'M', 'A', '4' ) #define FOURCC_dvi VLC_FOURCC( 'd', 'v', 'i', ' ' ) #define FOURCC_MAC3 VLC_FOURCC( 'M', 'A', 'C', '3' ) #define FOURCC_MAC6 VLC_FOURCC( 'M', 'A', 'C', '6' ) #define FOURCC_alaw VLC_FOURCC( 'a', 'l', 'a', 'w' ) #define FOURCC_ulaw VLC_FOURCC( 'u', 'l', 'a', 'w' ) #define FOURCC_Qclp VLC_FOURCC( 'Q', 'c', 'l', 'p' ) #define FOURCC_samr VLC_FOURCC( 's', 'a', 'm', 'r' ) #define FOURCC_OggS VLC_FOURCC( 'O', 'g', 'g', 'S' ) #define FOURCC_zlib VLC_FOURCC( 'z', 'l', 'i', 'b' ) #define FOURCC_SVQ1 VLC_FOURCC( 'S', 'V', 'Q', '1' ) #define FOURCC_SVQ3 VLC_FOURCC( 'S', 'V', 'Q', '3' ) #define FOURCC_ZyGo VLC_FOURCC( 'Z', 'y', 'G', 'o' ) #define FOURCC_3IV1 VLC_FOURCC( '3', 'I', 'V', '1' ) #define FOURCC_3iv1 VLC_FOURCC( '3', 'i', 'v', '1' ) #define FOURCC_3IV2 VLC_FOURCC( '3', 'I', 'V', '2' ) #define FOURCC_3iv2 VLC_FOURCC( '3', 'i', 'v', '2' ) #define FOURCC_3IVD VLC_FOURCC( '3', 'I', 'V', 'D' ) #define FOURCC_3ivd VLC_FOURCC( '3', 'i', 'v', 'd' ) #define FOURCC_3VID VLC_FOURCC( '3', 'V', 'I', 'D' ) #define FOURCC_3vid VLC_FOURCC( '3', 'v', 'i', 'd' ) #define FOURCC_h263 VLC_FOURCC( 'h', '2', '6', '3' ) #define FOURCC_s263 VLC_FOURCC( 's', '2', '6', '3' ) #define FOURCC_DIVX VLC_FOURCC( 'D', 'I', 'V', 'X' ) #define FOURCC_XVID VLC_FOURCC( 'X', 'V', 'I', 'D' ) #define FOURCC_cvid VLC_FOURCC( 'c', 'v', 'i', 'd' ) #define FOURCC_mjpa VLC_FOURCC( 'm', 'j', 'p', 'a' ) #define FOURCC_mjpb VLC_FOURCC( 'm', 'j', 'q', 't' ) #define FOURCC_mjqt VLC_FOURCC( 'm', 'j', 'h', 't' ) #define FOURCC_mjht VLC_FOURCC( 'm', 'j', 'p', 'b' ) #define FOURCC_VP31 VLC_FOURCC( 'V', 'P', '3', '1' ) #define FOURCC_vp31 VLC_FOURCC( 'v', 'p', '3', '1' ) #define FOURCC_h264 VLC_FOURCC( 'h', '2', '6', '4' ) #define FOURCC_avc1 VLC_FOURCC( 'a', 'v', 'c', '1' ) #define FOURCC_avcC VLC_FOURCC( 'a', 'v', 'c', 'C' ) #define FOURCC_m4ds VLC_FOURCC( 'm', '4', 'd', 's' ) #define FOURCC_dvc VLC_FOURCC( 'd', 'v', 'c', ' ' ) #define FOURCC_dvp VLC_FOURCC( 'd', 'v', 'p', ' ' ) #define FOURCC_raw VLC_FOURCC( 'r', 'a', 'w', ' ' ) #define FOURCC_jpeg VLC_FOURCC( 'j', 'p', 'e', 'g' ) #define FOURCC_rmra VLC_FOURCC( 'r', 'm', 'r', 'a' ) #define FOURCC_rmda VLC_FOURCC( 'r', 'm', 'd', 'a' ) #define FOURCC_rdrf VLC_FOURCC( 'r', 'd', 'r', 'f' ) #define FOURCC_rmdr VLC_FOURCC( 'r', 'm', 'd', 'r' ) #define FOURCC_rmvc VLC_FOURCC( 'r', 'm', 'v', 'c' ) #define FOURCC_rmcd VLC_FOURCC( 'r', 'm', 'c', 'd' ) #define FOURCC_rmqu VLC_FOURCC( 'r', 'm', 'q', 'u' ) #define FOURCC_alis VLC_FOURCC( 'a', 'l', 'i', 's' ) #define FOURCC_gmhd VLC_FOURCC( 'g', 'm', 'h', 'd' ) #define FOURCC_wave VLC_FOURCC( 'w', 'a', 'v', 'e' ) #define FOURCC_drms VLC_FOURCC( 'd', 'r', 'm', 's' ) #define FOURCC_sinf VLC_FOURCC( 's', 'i', 'n', 'f' ) #define FOURCC_schi VLC_FOURCC( 's', 'c', 'h', 'i' ) #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' ) #define FOURCC_text VLC_FOURCC( 't', 'e', 'x', 't' ) #define FOURCC_subp VLC_FOURCC( 's', 'u', 'b', 'p' ) #define FOURCC_0xa9nam VLC_FOURCC( 0xa9, 'n', 'a', 'm' ) #define FOURCC_0xa9aut VLC_FOURCC( 0xa9, 'a', 'u', 't' ) #define FOURCC_0xa9swr VLC_FOURCC( 0xa9, 's', 'w', 'r' ) #define FOURCC_0xa9cpy VLC_FOURCC( 0xa9, 'c', 'p', 'y' ) #define FOURCC_0xa9inf VLC_FOURCC( 0xa9, 'i', 'n', 'f' ) #define FOURCC_0xa9ART VLC_FOURCC( 0xa9, 'A', 'R', 'T' ) #define FOURCC_0xa9des VLC_FOURCC( 0xa9, 'd', 'e', 's' ) #define FOURCC_0xa9dir VLC_FOURCC( 0xa9, 'd', 'i', 'r' ) #define FOURCC_0xa9cmt VLC_FOURCC( 0xa9, 'c', 'm', 't' ) #define FOURCC_0xa9req VLC_FOURCC( 0xa9, 'r', 'e', 'q' ) #define FOURCC_0xa9day VLC_FOURCC( 0xa9, 'd', 'a', 'y' ) #define FOURCC_0xa9fmt VLC_FOURCC( 0xa9, 'f', 'm', 't' ) #define FOURCC_0xa9prd VLC_FOURCC( 0xa9, 'p', 'r', 'd' ) #define FOURCC_0xa9prf VLC_FOURCC( 0xa9, 'p', 'r', 'f' ) #define FOURCC_0xa9src VLC_FOURCC( 0xa9, 's', 'r', 'c' ) /* Do you want some debug information on all read boxes ? */ #define MP4_VERBOSE 1 /* memory stream and file stream object */ typedef struct MP4_Stream_s { int b_memory; /* do we uses a memory buffer */ stream_t *s; off_t i_start; /* in the buffer position for memory stream */ off_t i_stop; uint8_t *p_buffer; } MP4_Stream_t; struct MP4_Box_s; /* uuid Universal Unique IDentifiers */ typedef struct UUID_s { uint8_t b[16]; } UUID_t; /* specific structure for all boxes */ typedef struct MP4_Box_data_ftyp_s { uint32_t i_major_brand; uint32_t i_minor_version; uint32_t i_compatible_brands_count; uint32_t *i_compatible_brands; } MP4_Box_data_ftyp_t; typedef struct MP4_Box_data_mvhd_s { uint8_t i_version; uint32_t i_flags; uint64_t i_creation_time; uint64_t i_modification_time; uint32_t i_timescale; uint64_t i_duration; int32_t i_rate; int16_t i_volume; int16_t i_reserved1; uint32_t i_reserved2[2]; int32_t i_matrix[9]; uint32_t i_predefined[6]; uint32_t i_next_track_id; } MP4_Box_data_mvhd_t; #define MP4_TRACK_ENABLED 0x000001 #define MP4_TRACK_IN_MOVIE 0x000002 #define MP4_TRACK_IN_PREVIEW 0x000004 typedef struct MP4_Box_data_tkhd_s { uint8_t i_version; uint32_t i_flags; uint64_t i_creation_time; uint64_t i_modification_time; uint32_t i_track_ID; uint32_t i_reserved; uint64_t i_duration; uint32_t i_reserved2[2]; int16_t i_layer; int16_t i_predefined; int16_t i_volume; uint16_t i_reserved3; int32_t i_matrix[9]; int32_t i_width; int32_t i_height; } MP4_Box_data_tkhd_t; typedef struct MP4_Box_data_mdhd_s { uint8_t i_version; uint32_t i_flags; uint64_t i_creation_time; uint64_t i_modification_time; uint32_t i_timescale; uint64_t i_duration; /* one bit for pad */ /* unsigned int(5)[3] language difference with 0x60*/ unsigned char i_language[3]; uint16_t i_predefined; } MP4_Box_data_mdhd_t; typedef struct MP4_Box_data_hdlr_s { uint8_t i_version; uint32_t i_flags; uint32_t i_predefined; uint32_t i_handler_type; /* "vide" "soun" "hint" "odsm" "crsm" "sdsm" "m7sm" "ocsm" "ipsm" "mjsm" */ unsigned char *psz_name; /* in UTF-8 */ } MP4_Box_data_hdlr_t; typedef struct MP4_Box_data_vmhd_s { uint8_t i_version; uint32_t i_flags; int16_t i_graphics_mode; int16_t i_opcolor[3]; } MP4_Box_data_vmhd_t; typedef struct MP4_Box_data_smhd_s { uint8_t i_version; uint32_t i_flags; int16_t i_balance; int16_t i_reserved; } MP4_Box_data_smhd_t; typedef struct MP4_Box_data_hmhd_s { uint8_t i_version; uint32_t i_flags; uint16_t i_max_PDU_size; uint16_t i_avg_PDU_size; uint32_t i_max_bitrate; uint32_t i_avg_bitrate; uint32_t i_reserved; } MP4_Box_data_hmhd_t; typedef struct MP4_Box_data_url_s { uint8_t i_version; uint32_t i_flags; unsigned char *psz_location; } MP4_Box_data_url_t; typedef struct MP4_Box_data_urn_s { uint8_t i_version; uint32_t i_flags; unsigned char *psz_name; unsigned char *psz_location; } MP4_Box_data_urn_t; typedef struct MP4_Box_data_dref_s { uint8_t i_version; uint32_t i_flags; uint32_t i_entry_count; /* XXX it's also a container with i_entry_count entry */ } MP4_Box_data_dref_t; typedef struct MP4_Box_data_stts_s { uint8_t i_version; uint32_t i_flags; uint32_t i_entry_count; uint32_t *i_sample_count; /* these are array */ int32_t *i_sample_delta; } MP4_Box_data_stts_t; typedef struct MP4_Box_data_ctts_s { uint8_t i_version; uint32_t i_flags; uint32_t i_entry_count; uint32_t *i_sample_count; /* these are array */ int32_t *i_sample_offset; } MP4_Box_data_ctts_t; typedef struct MP4_Box_data_sample_soun_s { uint8_t i_reserved1[6]; uint16_t i_data_reference_index; //uint32_t i_reserved2[2]; uint16_t i_qt_version; uint16_t i_qt_revision_level; uint32_t i_qt_vendor; uint16_t i_channelcount; uint16_t i_samplesize; uint16_t i_predefined; uint16_t i_reserved3; uint16_t i_sampleratehi; /* timescale of track */ uint16_t i_sampleratelo; /* for version 1 (i_reserved1[0] == 1) */ uint32_t i_sample_per_packet; uint32_t i_bytes_per_packet; uint32_t i_bytes_per_frame; uint32_t i_bytes_per_sample; /* XXX hack */ int i_qt_description; uint8_t *p_qt_description; void *p_drms; } MP4_Box_data_sample_soun_t; typedef struct MP4_Box_data_sample_vide_s { uint8_t i_reserved1[6]; uint16_t i_data_reference_index; uint16_t i_qt_version; uint16_t i_qt_revision_level; uint32_t i_qt_vendor; uint32_t i_qt_temporal_quality; uint32_t i_qt_spatial_quality; int16_t i_width; int16_t i_height; uint32_t i_horizresolution; uint32_t i_vertresolution; uint32_t i_qt_data_size; uint16_t i_qt_frame_count; uint8_t i_compressorname[32]; int16_t i_depth; int16_t i_qt_color_table; /* XXX hack ImageDescription */ int i_qt_image_description; uint8_t *p_qt_image_description; } MP4_Box_data_sample_vide_t; typedef struct { uint8_t i_reserved1[6]; uint16_t i_data_reference_index; uint32_t i_display_flags; uint32_t i_justification; uint16_t i_background_color[3]; uint64_t i_text_box; uint64_t i_reserved2; uint16_t i_font_number; uint16_t i_font_face; uint16_t i_reserved3; uint16_t i_foreground_color[3]; char *psz_text_name; } MP4_Box_data_sample_text_t; typedef struct MP4_Box_data_sample_hint_s { uint8_t i_reserved1[6]; uint16_t i_data_reference_index; uint8_t *p_data; } MP4_Box_data_sample_hint_t; typedef struct MP4_Box_data_moviehintinformation_rtp_s { uint32_t i_description_format; unsigned char *psz_text; } MP4_Box_data_moviehintinformation_rtp_t; typedef struct MP4_Box_data_stsd_s { uint8_t i_version; uint32_t i_flags; uint32_t i_entry_count; /* it contains SampleEntry handled as if it was Box */ } MP4_Box_data_stsd_t; typedef struct MP4_Box_data_stsz_s { uint8_t i_version; uint32_t i_flags; uint32_t i_sample_size; uint32_t i_sample_count; uint32_t *i_entry_size; /* array , empty if i_sample_size != 0 */ } MP4_Box_data_stsz_t; typedef struct MP4_Box_data_stz2_s { uint8_t i_version; uint32_t i_flags; uint32_t i_sample_size; /* 24 bits */ uint8_t i_field_size; uint32_t i_sample_count; uint32_t *i_entry_size; /* array: unsigned int(i_field_size) entry_size */ } MP4_Box_data_stz2_t; typedef struct MP4_Box_data_stsc_s { uint8_t i_version; uint32_t i_flags; uint32_t i_entry_count; uint32_t *i_first_chunk; /* theses are arrays */ uint32_t *i_samples_per_chunk; uint32_t *i_sample_description_index; } MP4_Box_data_stsc_t; typedef struct MP4_Box_data_co64_s { uint8_t i_version; uint32_t i_flags; uint32_t i_entry_count; uint64_t *i_chunk_offset; } MP4_Box_data_co64_t; typedef struct MP4_Box_data_stss_s { uint8_t i_version; uint32_t i_flags; uint32_t i_entry_count; uint32_t *i_sample_number; } MP4_Box_data_stss_t; typedef struct MP4_Box_data_stsh_s { uint8_t i_version; uint32_t i_flags; uint32_t i_entry_count; uint32_t *i_shadowed_sample_number; uint32_t *i_sync_sample_number; } MP4_Box_data_stsh_t; typedef struct MP4_Box_data_stdp_s { uint8_t i_version; uint32_t i_flags; uint16_t *i_priority; } MP4_Box_data_stdp_t; typedef struct MP4_Box_data_padb_s { uint8_t i_version; uint32_t i_flags; uint32_t i_sample_count; uint16_t *i_reserved1; /* 1bit */ uint16_t *i_pad2; /* 3bits */ uint16_t *i_reserved2; /* 1bit */ uint16_t *i_pad1; /* 3bits */ } MP4_Box_data_padb_t; typedef struct MP4_Box_data_elst_s { uint8_t i_version; uint32_t i_flags; uint32_t i_entry_count; uint64_t *i_segment_duration; int64_t *i_media_time; uint16_t *i_media_rate_integer; uint16_t *i_media_rate_fraction; } MP4_Box_data_elst_t; typedef struct MP4_Box_data_cprt_s { uint8_t i_version; uint32_t i_flags; /* 1 pad bit */ unsigned char i_language[3]; unsigned char *psz_notice; } MP4_Box_data_cprt_t; /* DecoderConfigDescriptor */ typedef struct MP4_descriptor_decoder_config_s { uint8_t i_objectTypeIndication; uint8_t i_streamType; int b_upStream; int i_buffer_sizeDB; int i_max_bitrate; int i_avg_bitrate; int i_decoder_specific_info_len; uint8_t *p_decoder_specific_info; /* some other stuff */ } MP4_descriptor_decoder_config_t; typedef struct MP4_descriptor_SL_config_s { int i_dummy; /* ANSI C forbids empty structures */ } MP4_descriptor_SL_config_t; typedef struct MP4_descriptor_ES_s { uint16_t i_ES_ID; int b_stream_dependence; int b_url; int b_OCRstream; int i_stream_priority; int i_depend_on_ES_ID; /* if b_stream_dependence set */ unsigned char *psz_URL; uint16_t i_OCR_ES_ID; /* if b_OCRstream */ MP4_descriptor_decoder_config_t *p_decConfigDescr; MP4_descriptor_SL_config_t *p_slConfigDescr; /* some other stuff ... */ } MP4_descriptor_ES_t; /* ES descriptor */ typedef struct MP4_Box_data_esds_s { uint8_t i_version; uint32_t i_flags; MP4_descriptor_ES_t es_descriptor; } MP4_Box_data_esds_t; typedef struct MP4_Box_data_dcom_s { uint32_t i_algorithm; /* fourcc */ } MP4_Box_data_dcom_t; typedef struct MP4_Box_data_cmvd_s { uint32_t i_uncompressed_size; uint32_t i_compressed_size; int b_compressed; /* Set to 1 if compressed data, 0 if uncompressed */ uint8_t *p_data; } MP4_Box_data_cmvd_t; typedef struct MP4_Box_data_cmov_s { struct MP4_Box_s *p_moov; /* uncompressed moov */ } MP4_Box_data_cmov_t; typedef struct { uint8_t i_version; uint32_t i_flags; uint32_t i_ref_type; char *psz_ref; } MP4_Box_data_rdrf_t; typedef struct { uint8_t i_version; uint32_t i_flags; uint32_t i_rate; } MP4_Box_data_rmdr_t; typedef struct { uint8_t i_version; uint32_t i_flags; uint32_t i_gestaltType; uint32_t i_val1; uint32_t i_val2; uint16_t i_checkType; /* 0: val1 is version min 1: gestalt value & val2 == val1 */ } MP4_Box_data_rmvc_t; typedef struct { uint8_t i_version; uint32_t i_flags; } MP4_Box_data_rmcd_t; typedef struct { uint32_t i_quality; } MP4_Box_data_rmqu_t; typedef struct { char *psz_text; } MP4_Box_data_0xa9xxx_t; typedef struct { uint8_t i_version; uint8_t i_profile; uint8_t i_profile_compatibility; uint8_t i_level; uint8_t i_reserved1; /* 6 bits */ uint8_t i_length_size; uint8_t i_reserved2; /* 3 bits */ uint8_t i_sps; uint16_t *i_sps_length; uint8_t **sps; uint8_t i_pps; uint16_t *i_pps_length; uint8_t **pps; /* XXX: Hack raw avcC atom payload */ int i_avcC; uint8_t *p_avcC; } MP4_Box_data_avcC_t; /* typedef struct MP4_Box_data__s { uint8_t i_version; uint32_t i_flags; } MP4_Box_data__t; */ typedef union MP4_Box_data_s { MP4_Box_data_ftyp_t *p_ftyp; MP4_Box_data_mvhd_t *p_mvhd; MP4_Box_data_tkhd_t *p_tkhd; MP4_Box_data_mdhd_t *p_mdhd; MP4_Box_data_hdlr_t *p_hdlr; MP4_Box_data_vmhd_t *p_vmhd; MP4_Box_data_smhd_t *p_smhd; MP4_Box_data_hmhd_t *p_hmhd; MP4_Box_data_url_t *p_url; MP4_Box_data_urn_t *p_urn; MP4_Box_data_dref_t *p_dref; MP4_Box_data_stts_t *p_stts; MP4_Box_data_ctts_t *p_ctts; MP4_Box_data_stsd_t *p_stsd; MP4_Box_data_sample_vide_t *p_sample_vide; MP4_Box_data_sample_soun_t *p_sample_soun; MP4_Box_data_sample_text_t *p_sample_text; MP4_Box_data_sample_hint_t *p_sample_hint; MP4_Box_data_esds_t *p_esds; MP4_Box_data_avcC_t *p_avcC; MP4_Box_data_stsz_t *p_stsz; MP4_Box_data_stz2_t *p_stz2; MP4_Box_data_stsc_t *p_stsc; MP4_Box_data_co64_t *p_co64; MP4_Box_data_stss_t *p_stss; MP4_Box_data_stsh_t *p_stsh; MP4_Box_data_stdp_t *p_stdp; MP4_Box_data_padb_t *p_padb; MP4_Box_data_elst_t *p_elst; MP4_Box_data_cprt_t *p_cprt; MP4_Box_data_dcom_t *p_dcom; MP4_Box_data_cmvd_t *p_cmvd; MP4_Box_data_cmov_t *p_cmov; MP4_Box_data_moviehintinformation_rtp_t p_moviehintinformation_rtp; MP4_Box_data_rdrf_t *p_rdrf; MP4_Box_data_rmdr_t *p_rmdr; MP4_Box_data_rmqu_t *p_rmqu; MP4_Box_data_rmvc_t *p_rmvc; MP4_Box_data_0xa9xxx_t *p_0xa9xxx; void *p_data; /* for unknow type */ } MP4_Box_data_t; /* the most basic structure */ typedef struct MP4_Box_s { off_t i_pos; /* absolute position */ uint32_t i_type; uint32_t i_shortsize; UUID_t i_uuid; /* Set if i_type == "uuid" */ uint64_t i_size; /* always set so use it */ MP4_Box_data_t data; /* union of pointers on extended data depending on i_type (or i_usertype) */ struct MP4_Box_s *p_father; /* pointer on the father Box */ struct MP4_Box_s *p_first; /* pointer on the first child Box */ struct MP4_Box_s *p_last; struct MP4_Box_s *p_next; /* pointer on the next boxes at the same level */ } MP4_Box_t; /***************************************************************************** * MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory ***************************************************************************** * The first box is a virtual box "root" and is the father for all first * level boxes *****************************************************************************/ MP4_Box_t *MP4_BoxGetRoot( stream_t * ); /***************************************************************************** * MP4_FreeBox : free memory allocated after read with MP4_ReadBox * or MP4_BoxGetRoot, this means also children boxes * XXX : all children have to be allocated by a malloc !! and * p_box is freed *****************************************************************************/ void MP4_BoxFree( stream_t *, MP4_Box_t *p_box ); /***************************************************************************** * MP4_DumpBoxStructure: print the structure of the p_box ***************************************************************************** * Usefull while debugging *****************************************************************************/ void MP4_BoxDumpStructure( stream_t *p_input, MP4_Box_t *p_box ); /***************************************************************************** * MP4_BoxGet: find a box given a path relative to p_box ***************************************************************************** * Path Format: . .. / as usual * [number] to specifie box number ex: trak[12] * * ex: /moov/trak[12] * ../mdia *****************************************************************************/ MP4_Box_t *MP4_BoxGet( MP4_Box_t *p_box, char *psz_fmt, ... ); /***************************************************************************** * MP4_BoxCount: find number of box given a path relative to p_box ***************************************************************************** * Path Format: . .. / as usual * [number] to specifie box number ex: trak[12] * * ex: /moov/trak * ../mdia *****************************************************************************/ int MP4_BoxCount( MP4_Box_t *p_box, char *psz_fmt, ... );