libmp4.h
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上传日期:2009-03-27
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- /*****************************************************************************
- * libmp4.h : LibMP4 library for mp4 module for vlc
- *****************************************************************************
- * Copyright (C) 2001-2004 VideoLAN
- * $Id: libmp4.h 9142 2004-11-04 22:32:40Z hartman $
- * 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' )
- #define FOURCC_0xa9alb VLC_FOURCC( 0xa9, 'a', 'l', 'b' )
- #define FOURCC_0xa9dis VLC_FOURCC( 0xa9, 'd', 'i', 's' )
- #define FOURCC_0xa9enc VLC_FOURCC( 0xa9, 'e', 'n', 'c' )
- #define FOURCC_0xa9trk VLC_FOURCC( 0xa9, 't', 'r', 'k' )
- #define FOURCC_0xa9url VLC_FOURCC( 0xa9, 'u', 'r', 'l' )
- #define FOURCC_0xa9dsa VLC_FOURCC( 0xa9, 'd', 's', 'a' )
- #define FOURCC_0xa9hst VLC_FOURCC( 0xa9, 'h', 's', 't' )
- #define FOURCC_0xa9ope VLC_FOURCC( 0xa9, 'o', 'p', 'e' )
- #define FOURCC_0xa9wrt VLC_FOURCC( 0xa9, 'w', 'r', 't' )
- #define FOURCC_0xa9com VLC_FOURCC( 0xa9, 'c', 'o', 'm' )
- #define FOURCC_0xa9gen VLC_FOURCC( 0xa9, 'g', 'e', 'n' )
- #define FOURCC_WLOC VLC_FOURCC( 'W', 'L', 'O', '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, ... );
- MP4_Stream_t *MP4_MemoryStream( stream_t *s,
- int i_size, uint8_t *p_buffer );
- int MP4_ReadBoxCommon( MP4_Stream_t *p_stream, MP4_Box_t *p_box );
- int MP4_ReadBox_sample_vide( MP4_Stream_t *p_stream, MP4_Box_t *p_box );
- void MP4_FreeBox_sample_vide( MP4_Box_t *p_box );