/*****************************************************************************
* libmp4.h : LibMP4 library for mp4 module for vlc
*****************************************************************************
- * Copyright (C) 2001-2004, 2010 the VideoLAN team
+ * Copyright (C) 2001-2004, 2010 VLC authors and VideoLAN
*
* 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
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef _VLC_MP4_H
#define _VLC_MP4_H 1
+#include <vlc_es.h>
+
#define ATOM_root VLC_FOURCC( 'r', 'o', 'o', 't' )
#define ATOM_uuid VLC_FOURCC( 'u', 'u', 'i', 'd' )
#define ATOM_alac VLC_FOURCC( 'a', 'l', 'a', 'c' )
#define ATOM_dac3 VLC_FOURCC( 'd', 'a', 'c', '3' )
#define ATOM_dec3 VLC_FOURCC( 'd', 'e', 'c', '3' )
+#define ATOM_dvc1 VLC_FOURCC( 'd', 'v', 'c', '1' )
#define ATOM_enda VLC_FOURCC( 'e', 'n', 'd', 'a' )
#define ATOM_gnre VLC_FOURCC( 'g', 'n', 'r', 'e' )
#define ATOM_trkn VLC_FOURCC( 't', 'r', 'k', 'n' )
#define ATOM_0xa9mod VLC_FOURCC( 0xa9, 'm', 'o', 'd' )
#define ATOM_0xa9PRD VLC_FOURCC( 0xa9, 'P', 'R', 'D' )
#define ATOM_0xa9grp VLC_FOURCC( 0xa9, 'g', 'r', 'p' )
-#define ATOM_0xa9lyr VLC_FOURCC( 0xa9, 'g', 'r', 'p' )
+#define ATOM_0xa9lyr VLC_FOURCC( 0xa9, 'l', 'y', 'r' )
+#define ATOM_0xa9gen VLC_FOURCC( 0xa9, 'g', 'e', 'n' )
+#define ATOM_0xa9st3 VLC_FOURCC( 0xa9, 's', 't', '3' )
+#define ATOM_0xa9ard VLC_FOURCC( 0xa9, 'a', 'r', 'd' )
+#define ATOM_0xa9arg VLC_FOURCC( 0xa9, 'a', 'r', 'g' )
+#define ATOM_0xa9cak VLC_FOURCC( 0xa9, 'c', 'a', 'k' )
+#define ATOM_0xa9con VLC_FOURCC( 0xa9, 'c', 'o', 'n' )
+#define ATOM_0xa9des VLC_FOURCC( 0xa9, 'd', 'e', 's' )
+#define ATOM_0xa9lnt VLC_FOURCC( 0xa9, 'l', 'n', 't' )
+#define ATOM_0xa9phg VLC_FOURCC( 0xa9, 'p', 'h', 'g' )
+#define ATOM_0xa9pub VLC_FOURCC( 0xa9, 'p', 'u', 'b' )
+#define ATOM_0xa9sne VLC_FOURCC( 0xa9, 's', 'n', 'e' )
+#define ATOM_0xa9sol VLC_FOURCC( 0xa9, 's', 'o', 'l' )
+#define ATOM_0xa9thx VLC_FOURCC( 0xa9, 't', 'h', 'x' )
+#define ATOM_0xa9xpd VLC_FOURCC( 0xa9, 'x', 'p', 'd' )
#define ATOM_chpl VLC_FOURCC( 'c', 'h', 'p', 'l' )
#define ATOM_WLOC VLC_FOURCC( 'W', 'L', 'O', 'C' )
#define ATOM_chap VLC_FOURCC( 'c', 'h', 'a', 'p' )
/* Do you want some debug information on all read boxes ? */
-//#define MP4_VERBOSE 1
-
+#ifndef NDEBUG
+# define MP4_VERBOSE 1
+#endif
struct MP4_Box_s;
int32_t i_matrix[9];
int32_t i_width;
int32_t i_height;
+ float f_rotation;
} MP4_Box_data_tkhd_t;
uint32_t i_sample_count;
/* optional fields */
- uint32_t i_data_offset;
+ int32_t i_data_offset;
uint32_t i_first_sample_flags;
MP4_descriptor_trun_sample_t *p_samples;
} MP4_Box_data_dac3_t;
+typedef struct
+{
+ uint8_t i_profile_level;
+
+ int i_vc1;
+ uint8_t *p_vc1;
+
+} MP4_Box_data_dvc1_t;
+
typedef struct
{
uint16_t i_little_endian;
uint8_t *p_sample_number;
} MP4_Box_data_tfra_t;
+typedef struct
+{
+ uint64_t i_duration;
+ uint32_t i_timescale;
+ uint16_t i_track_ID;
+ uint8_t i_es_cat;
+
+ uint32_t FourCC;
+ uint32_t Bitrate;
+ uint32_t MaxWidth;
+ uint32_t MaxHeight;
+ uint32_t SamplingRate;
+ uint32_t Channels;
+ uint32_t BitsPerSample;
+ uint32_t AudioTag;
+ uint16_t nBlockAlign;
+ uint8_t cpd_len;
+ uint8_t *CodecPrivateData;
+} MP4_Box_data_stra_t;
+
/*
typedef struct MP4_Box_data__s
{
MP4_Box_data_esds_t *p_esds;
MP4_Box_data_avcC_t *p_avcC;
MP4_Box_data_dac3_t *p_dac3;
+ MP4_Box_data_dvc1_t *p_dvc1;
MP4_Box_data_enda_t *p_enda;
MP4_Box_data_gnre_t *p_gnre;
MP4_Box_data_trkn_t *p_trkn;
MP4_Box_data_tfra_t *p_tfra;
MP4_Box_data_mfro_t *p_mfro;
+ MP4_Box_data_stra_t *p_stra;
MP4_Box_data_stsz_t *p_stsz;
MP4_Box_data_stz2_t *p_stz2;
} MP4_Box_t;
+/* Contain all information about a chunk */
+typedef struct
+{
+ uint64_t i_offset; /* absolute position of this chunk in the file */
+ uint32_t i_sample_description_index; /* index for SampleEntry to use */
+ uint32_t i_sample_count; /* how many samples in this chunk */
+ uint32_t i_sample_first; /* index of the first sample in this chunk */
+ uint32_t i_sample; /* index of the next sample to read in this chunk */
+
+ /* now provide way to calculate pts, dts, and offset without too
+ much memory and with fast access */
+
+ /* with this we can calculate dts/pts without waste memory */
+ uint64_t i_first_dts; /* DTS of the first sample */
+ uint64_t i_last_dts; /* DTS of the last sample */
+ uint32_t *p_sample_count_dts;
+ uint32_t *p_sample_delta_dts; /* dts delta */
+
+ uint32_t *p_sample_count_pts;
+ int32_t *p_sample_offset_pts; /* pts-dts */
+
+ uint8_t **p_sample_data; /* set when b_fragmented is true */
+ uint32_t *p_sample_size;
+ /* TODO if needed add pts
+ but quickly *add* support for edts and seeking */
+} mp4_chunk_t;
+
+ /* Contain all needed information for read all track with vlc */
+typedef struct
+{
+ unsigned int i_track_ID;/* this should be unique */
+
+ int b_ok; /* The track is usable */
+ int b_enable; /* is the trak enable by default */
+ bool b_selected; /* is the trak being played */
+ bool b_chapter; /* True when used for chapter only */
+
+ bool b_mac_encoding;
+
+ es_format_t fmt;
+ es_out_id_t *p_es;
+
+ /* display size only ! */
+ int i_width;
+ int i_height;
+ float f_rotation;
+
+ /* more internal data */
+ uint64_t i_timescale; /* time scale for this track only */
+ uint16_t current_qid; /* Smooth Streaming quality level ID */
+
+ /* elst */
+ int i_elst; /* current elst */
+ int64_t i_elst_time; /* current elst start time (in movie time scale)*/
+ MP4_Box_t *p_elst; /* elst (could be NULL) */
+
+ /* give the next sample to read, i_chunk is to find quickly where
+ the sample is located */
+ uint32_t i_sample; /* next sample to read */
+ uint32_t i_chunk; /* chunk where next sample is stored */
+ /* total count of chunk and sample */
+ uint32_t i_chunk_count;
+ uint32_t i_sample_count;
+
+ mp4_chunk_t *chunk; /* always defined for each chunk */
+ mp4_chunk_t *cchunk; /* current chunk if b_fragmented is true */
+
+ /* sample size, p_sample_size defined only if i_sample_size == 0
+ else i_sample_size is size for all sample */
+ uint32_t i_sample_size;
+ uint32_t *p_sample_size; /* XXX perhaps add file offset if take
+ too much time to do sumations each time*/
+
+ uint32_t i_sample_first; /* i_sample_first value
+ of the next chunk */
+ uint64_t i_first_dts; /* i_first_dts value
+ of the next chunk */
+
+ MP4_Box_t *p_stbl; /* will contain all timing information */
+ MP4_Box_t *p_stsd; /* will contain all data to initialize decoder */
+ MP4_Box_t *p_sample;/* point on actual sdsd */
+
+ bool b_drms;
+ bool b_has_non_empty_cchunk;
+ bool b_codec_need_restart;
+ void *p_drms;
+ MP4_Box_t *p_skcr;
+
+} mp4_track_t;
+
+static inline size_t mp4_box_headersize( MP4_Box_t *p_box )
+{
+ return 8
+ + ( p_box->i_shortsize == 1 ? 8 : 0 )
+ + ( p_box->i_type == ATOM_uuid ? 16 : 0 );
+}
+
+#define MP4_GETX_PRIVATE(dst, code, size) do { \
+ if( (i_read) >= (size) ) { dst = (code); p_peek += (size); } \
+ else { dst = 0; } \
+ i_read -= (size); \
+ } while(0)
+
+#define MP4_GET1BYTE( dst ) MP4_GETX_PRIVATE( dst, *p_peek, 1 )
+#define MP4_GET2BYTES( dst ) MP4_GETX_PRIVATE( dst, GetWBE(p_peek), 2 )
+#define MP4_GET3BYTES( dst ) MP4_GETX_PRIVATE( dst, Get24bBE(p_peek), 3 )
+#define MP4_GET4BYTES( dst ) MP4_GETX_PRIVATE( dst, GetDWBE(p_peek), 4 )
+#define MP4_GET8BYTES( dst ) MP4_GETX_PRIVATE( dst, GetQWBE(p_peek), 8 )
+#define MP4_GETFOURCC( dst ) MP4_GETX_PRIVATE( dst, \
+ VLC_FOURCC(p_peek[0],p_peek[1],p_peek[2],p_peek[3]), 4)
+
+#define MP4_GETVERSIONFLAGS( p_void ) \
+ MP4_GET1BYTE( p_void->i_version ); \
+ MP4_GET3BYTES( p_void->i_flags )
+
+#define MP4_GETSTRINGZ( p_str ) \
+ if( (i_read > 0) && (p_peek[0]) ) \
+ { \
+ const int __i_copy__ = strnlen( (char*)p_peek, i_read-1 ); \
+ p_str = malloc( __i_copy__+1 ); \
+ if( p_str ) \
+ { \
+ memcpy( p_str, p_peek, __i_copy__ ); \
+ p_str[__i_copy__] = 0; \
+ } \
+ p_peek += __i_copy__ + 1; \
+ i_read -= __i_copy__ + 1; \
+ } \
+ else \
+ { \
+ p_str = NULL; \
+ }
+
+#define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
+ int64_t i_read = p_box->i_size; \
+ uint8_t *p_peek, *p_buff; \
+ int i_actually_read; \
+ if( !( p_peek = p_buff = malloc( i_read ) ) ) \
+ { \
+ return( 0 ); \
+ } \
+ i_actually_read = stream_Read( p_stream, p_peek, i_read ); \
+ if( i_actually_read < 0 || (int64_t)i_actually_read < i_read )\
+ { \
+ msg_Warn( p_stream, "MP4_READBOX_ENTER: I got %i bytes, "\
+ "but I requested %"PRId64"", i_actually_read, i_read );\
+ free( p_buff ); \
+ return( 0 ); \
+ } \
+ p_peek += mp4_box_headersize( p_box ); \
+ i_read -= mp4_box_headersize( p_box ); \
+ if( !( p_box->data.p_data = calloc( 1, sizeof( MP4_Box_data_TYPE_t ) ) ) ) \
+ { \
+ free( p_buff ); \
+ return( 0 ); \
+ }
+
+#define MP4_READBOX_EXIT( i_code ) \
+ do \
+ { \
+ free( p_buff ); \
+ if( i_read < 0 ) \
+ msg_Warn( p_stream, "Not enough data" ); \
+ return( i_code ); \
+ } while (0)
+
+
+/* This macro is used when we want to printf the box type
+ * APPLE annotation box is :
+ * either 0xA9 + 24-bit ASCII text string (and 0xA9 isn't printable)
+ * either 32-bit ASCII text string
+ */
+#define MP4_BOX_TYPE_ASCII() ( ((char*)&p_box->i_type)[0] != (char)0xA9 )
+
+static inline uint32_t Get24bBE( const uint8_t *p )
+{
+ return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
+}
+
+static inline void GetUUID( UUID_t *p_uuid, const uint8_t *p_buff )
+{
+ memcpy( p_uuid, p_buff, 16 );
+}
+
+static inline int CmpUUID( const UUID_t *u1, const UUID_t *u2 )
+{
+ return memcmp( u1, u2, 16 );
+}
+
+static inline void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
+{
+ /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
+ where XXXXXXXX is the fourcc */
+ /* FIXME implement this */
+ (void)p_uuid;
+ (void)i_fourcc;
+}
+
+static const UUID_t TfrfBoxUUID = {
+ { 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
+ 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f } };
+
+static const UUID_t TfxdBoxUUID = {
+ { 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
+ 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2 } };
+
+static const UUID_t SmooBoxUUID = {
+ { 0xe1, 0xda, 0x72, 0xba, 0x24, 0xd7, 0x43, 0xc3,
+ 0xa6, 0xa5, 0x1b, 0x57, 0x59, 0xa1, 0xa9, 0x2c } };
+
+static const UUID_t StraBoxUUID = {
+ { 0xb0, 0x3e, 0xf7, 0x70, 0x33, 0xbd, 0x4b, 0xac,
+ 0x96, 0xc7, 0xbf, 0x25, 0xf9, 0x7e, 0x24, 0x47 } };
+
+MP4_Box_t *MP4_BoxGetSmooBox( stream_t * );
+
+/*****************************************************************************
+ * MP4_BoxGetNextChunk : Parse the entire moof box.
+ *****************************************************************************
+ * The first box is a virtual box "root" and is the father of the boxes
+ * 'moof' and, possibly, 'sidx'.
+ *****************************************************************************/
+MP4_Box_t *MP4_BoxGetNextChunk( stream_t * );
/*****************************************************************************
* MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
projects / vlc / blobdiff