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import mp4ff, since its not installed correctly by faad2

Browse Source 
git-svn-id: https://svn.musicpd.org/mpd/trunk@265 09075e82-0dd4-0310-85a5-a0d7c8717e4f
This commit is contained in:
Warren Dukes 2004-03-17 17:19:52 +00:00
parent f114fbd437
commit bf769906f3
19 changed files with 5421 additions and 9 deletions
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5
README
View File

@ -9,8 +9,11 @@ retrieval, and playlist management can all be managed remotely.
To install MPD, see INSTALL. To install MPD, see INSTALL.
MPD includes 2 libraries in the source. libid3tag and libmad are released under MPD includes 3 libraries in the source. libid3tag and libmad are released under
the GPL and copyrighted by Robert Leslie (http://www.underbit.com/products/mad). the GPL and copyrighted by Robert Leslie (http://www.underbit.com/products/mad).
mp4ff is released under the GPL and copyrighted by M. Bakker, Ahead Software AG
(http://www.nero.com) and is distributed as a part of the FAAD2 - Freeware
Advance Audio (AAC) Decoder.
MPD is released under the GNU Public License. MPD is released under the GNU Public License.
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License

25
configure.ac
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@ -17,6 +17,8 @@ AC_SUBST(MAD_SUBDIR)
AC_SUBST(MAD_LIB) AC_SUBST(MAD_LIB)
AC_SUBST(ID3_SUBDIR) AC_SUBST(ID3_SUBDIR)
AC_SUBST(ID3_LIB) AC_SUBST(ID3_LIB)
AC_SUBST(MP4FF_SUBDIR)
AC_SUBST(MP4FF_LIB)
AC_SUBST(MPD_LIBS) AC_SUBST(MPD_LIBS)
AC_SUBST(MPD_CFLAGS) AC_SUBST(MPD_CFLAGS)
@ -42,9 +44,9 @@ AC_ARG_WITH(mad,[ --with-mad=PFX Prefix where libmad is installed (optional)]
AC_ARG_WITH(mad-libraries,[ --with-mad-libraries=DIR Directory where libmad library is installed (optional)], mad_libraries="$withval", mad_libraries="") AC_ARG_WITH(mad-libraries,[ --with-mad-libraries=DIR Directory where libmad library is installed (optional)], mad_libraries="$withval", mad_libraries="")
AC_ARG_WITH(mad-includes,[ --with-mad-includes=DIR Directory where mad header files are installed (optional)], mad_includes="$withval", mad_includes="") AC_ARG_WITH(mad-includes,[ --with-mad-includes=DIR Directory where mad header files are installed (optional)], mad_includes="$withval", mad_includes="")
AC_ARG_WITH(faad,[ --with-faad=PFX Prefix where faad lib is installed (optional)], faad_prefix="$withval", faad_prefix="") AC_ARG_WITH(faad2,[ --with-faad2=PFX Prefix where faad2 is installed (optional)], faad_prefix="$withval", faad_prefix="")
AC_ARG_WITH(faad-libraries,[ --with-faad-libraries=DIR Directory where faad library is installed (optional)], faad_libraries="$withval", faad_libraries="") AC_ARG_WITH(faad2-libraries,[ --with-faad-libraries=DIR Directory where faad2 library is installed (optional)], faad_libraries="$withval", faad_libraries="")
AC_ARG_WITH(faad-includes,[ --with-faad-includes=DIR Directory where faad header files are installed (optional)], faad_includes="$withval", faad_includes="") AC_ARG_WITH(faad2-includes,[ --with-faad-includes=DIR Directory where faad2 header files are installed (optional)], faad_includes="$withval", faad_includes="")
AC_C_BIGENDIAN AC_C_BIGENDIAN
@ -195,6 +197,8 @@ if test x$enable_mp3 = xyes; then
MPD_CFLAGS="$MPD_CFLAGS -DHAVE_MAD" MPD_CFLAGS="$MPD_CFLAGS -DHAVE_MAD"
fi fi
MP4FF_SUBDIR=""
if test x$enable_aac = xyes; then if test x$enable_aac = xyes; then
if test "x$faad_libraries" != "x" ; then if test "x$faad_libraries" != "x" ; then
FAAD_LIBS="-L$faad_libraries" FAAD_LIBS="-L$faad_libraries"
@ -204,7 +208,7 @@ if test x$enable_aac = xyes; then
FAAD_LIBS="-L$libdir" FAAD_LIBS="-L$libdir"
fi fi
FAAD_LIBS="$FAAD_LIBS -lfaad" FAAD_LIBS="$FAAD_LIBS -lfaad -lmp4v2"
if test "x$faad_includes" != "x" ; then if test "x$faad_includes" != "x" ; then
FAAD_CFLAGS="-I$faad_includes" FAAD_CFLAGS="-I$faad_includes"
@ -220,7 +224,16 @@ if test x$enable_aac = xyes; then
LIBS="$LIBS $MPD_LIBS $FAAD_LIBS" LIBS="$LIBS $MPD_LIBS $FAAD_LIBS"
AC_CHECK_HEADER(faad.h,,enable_aac=no) AC_CHECK_HEADER(faad.h,,enable_aac=no)
if test x$enable_aac = xyes; then if test x$enable_aac = xyes; then
AC_CHECK_LIB(faad, faacDecDecode,[MPD_LIBS="$MPD_LIBS $FAAD_LIBS";MPD_CFLAGS="$MPD_CFLAGS $FAAD_CFLAGS -DHAVE_FAAD"],enable_aac=no) AC_CHECK_HEADER(mp4.h,,enable_aac=no)
fi
if test x$enable_aac = xyes; then
AC_CHECK_LIB(mp4v2, MP4Create,,enable_aac=no)
fi
if test x$enable_aac = xyes; then
AC_CHECK_LIB(mp4v2, MP4MetadataDelete,,enable_aac=no)
fi
if test x$enable_aac = xyes; then
AC_CHECK_LIB(faad, faacDecDecode,[MPD_LIBS="$MPD_LIBS $FAAD_LIBS";MPD_CFLAGS="$MPD_CFLAGS $FAAD_CFLAGS -DHAVE_FAAD";MP4FF_SUBDIR="mp4ff";MP4FF_LIB="mp4ff/libmp4ff.la"],enable_aac=no)
fi fi
CFLAGS=$oldcflags CFLAGS=$oldcflags
LIBS=$oldlibs LIBS=$oldlibs
@ -320,4 +333,4 @@ if test x$enable_audiofile = xyes; then
[enable_audiofile=no;AC_MSG_WARN(You need audiofile -- disabling audiofile support)]) [enable_audiofile=no;AC_MSG_WARN(You need audiofile -- disabling audiofile support)])
fi fi
AC_OUTPUT(doc/Makefile src/Makefile Makefile ) AC_OUTPUT(src/mp4ff/Makefile doc/Makefile src/Makefile Makefile )

4
src/Makefile.am
View File

@ -1,5 +1,5 @@
bin_PROGRAMS = mpd bin_PROGRAMS = mpd
SUBDIRS = $(ID3_SUBDIR) $(MAD_SUBDIR) SUBDIRS = $(ID3_SUBDIR) $(MAD_SUBDIR) $(MP4FF_SUBDIR)
mpd_headers = buffer2array.h interface.h command.h playlist.h ls.h \ mpd_headers = buffer2array.h interface.h command.h playlist.h ls.h \
song.h list.h directory.h tables.h utils.h path.h mp3_decode.h \ song.h list.h directory.h tables.h utils.h path.h mp3_decode.h \
tag.h player.h listen.h conf.h ogg_decode.h volume.h flac_decode.h \ tag.h player.h listen.h conf.h ogg_decode.h volume.h flac_decode.h \
@ -12,4 +12,4 @@ mpd_SOURCES = main.c buffer2array.c interface.c command.c playlist.c ls.c \
audiofile_decode.c charConv.c permission.c pcm_utils.c $(mpd_headers) audiofile_decode.c charConv.c permission.c pcm_utils.c $(mpd_headers)
mpd_CFLAGS = $(MPD_CFLAGS) mpd_CFLAGS = $(MPD_CFLAGS)
mpd_LDADD = $(MPD_LIBS) $(ID3_LIB) $(MAD_LIB) mpd_LDADD = $(MPD_LIBS) $(ID3_LIB) $(MAD_LIB) $(MP4FF_LIB)

7
src/mp4ff/Makefile.am Normal file
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@ -0,0 +1,7 @@
noinst_LTLIBRARIES = libmp4ff.la
noinst_HEADERS = mp4ff.h
libmp4ff_la_SOURCES = mp4ff.c mp4atom.c mp4meta.c mp4sample.c mp4util.c \
mp4tagupdate.c mp4ff.h mp4ffint.h mp4ff_int_types.h \
drms.h drms.c drmstables.h

373
src/mp4ff/Makefile.in Normal file
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@ -0,0 +1,373 @@
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drms.h drms.c drmstables.h
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src/mp4ff/drms.c Normal file
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40
src/mp4ff/drms.h Normal file
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@ -0,0 +1,40 @@
/*****************************************************************************
* drms.h : DRMS
*****************************************************************************
* Copyright (C) 2004 VideoLAN
* $Id: drms.h,v 1.3 2004/01/11 15:52:18 menno Exp $
*
* Author: Jon Lech Johansen <jon-vl@nanocrew.net>
*
* 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 DRMS_INIT_UKEY 0
#define DRMS_INIT_IVIV 1
#define DRMS_INIT_NAME 2
#define DRMS_INIT_PRIV 3
extern int drms_get_sys_key( uint32_t *p_sys_key );
extern int drms_get_user_key( uint32_t *p_sys_key,
uint32_t *p_user_key );
extern void *drms_alloc();
extern void drms_free( void *p_drms );
extern int drms_init( void *p_drms, uint32_t i_type,
uint8_t *p_info, uint32_t i_len );
extern void drms_decrypt( void *p_drms, uint32_t *p_buffer,
uint32_t i_len );

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src/mp4ff/drmstables.h Normal file
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@ -0,0 +1,449 @@
/*****************************************************************************
* drmstables.h : DRMS tables
*****************************************************************************
* Copyright (C) 2004 VideoLAN
* $Id: drmstables.h,v 1.2 2004/01/11 15:52:18 menno Exp $
*
* Author: Jon Lech Johansen <jon-vl@nanocrew.net>
*
* 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.
*****************************************************************************/
static uint32_t p_drms_tab1[ 10 ] =
{
0x00000001, 0x00000002, 0x00000004, 0x00000008, 0x00000010, 0x00000020,
0x00000040, 0x00000080, 0x0000001B, 0x00000036
};
static uint32_t p_drms_tab2[ 256 ] =
{
0x63000000, 0x7C000000, 0x77000000, 0x7B000000, 0xF2000000, 0x6B000000,
0x6F000000, 0xC5000000, 0x30000000, 0x01000000, 0x67000000, 0x2B000000,
0xFE000000, 0xD7000000, 0xAB000000, 0x76000000, 0xCA000000, 0x82000000,
0xC9000000, 0x7D000000, 0xFA000000, 0x59000000, 0x47000000, 0xF0000000,
0xAD000000, 0xD4000000, 0xA2000000, 0xAF000000, 0x9C000000, 0xA4000000,
0x72000000, 0xC0000000, 0xB7000000, 0xFD000000, 0x93000000, 0x26000000,
0x36000000, 0x3F000000, 0xF7000000, 0xCC000000, 0x34000000, 0xA5000000,
0xE5000000, 0xF1000000, 0x71000000, 0xD8000000, 0x31000000, 0x15000000,
0x04000000, 0xC7000000, 0x23000000, 0xC3000000, 0x18000000, 0x96000000,
0x05000000, 0x9A000000, 0x07000000, 0x12000000, 0x80000000, 0xE2000000,
0xEB000000, 0x27000000, 0xB2000000, 0x75000000, 0x09000000, 0x83000000,
0x2C000000, 0x1A000000, 0x1B000000, 0x6E000000, 0x5A000000, 0xA0000000,
0x52000000, 0x3B000000, 0xD6000000, 0xB3000000, 0x29000000, 0xE3000000,
0x2F000000, 0x84000000, 0x53000000, 0xD1000000, 0x00000000, 0xED000000,
0x20000000, 0xFC000000, 0xB1000000, 0x5B000000, 0x6A000000, 0xCB000000,
0xBE000000, 0x39000000, 0x4A000000, 0x4C000000, 0x58000000, 0xCF000000,
0xD0000000, 0xEF000000, 0xAA000000, 0xFB000000, 0x43000000, 0x4D000000,
0x33000000, 0x85000000, 0x45000000, 0xF9000000, 0x02000000, 0x7F000000,
0x50000000, 0x3C000000, 0x9F000000, 0xA8000000, 0x51000000, 0xA3000000,
0x40000000, 0x8F000000, 0x92000000, 0x9D000000, 0x38000000, 0xF5000000,
0xBC000000, 0xB6000000, 0xDA000000, 0x21000000, 0x10000000, 0xFF000000,
0xF3000000, 0xD2000000, 0xCD000000, 0x0C000000, 0x13000000, 0xEC000000,
0x5F000000, 0x97000000, 0x44000000, 0x17000000, 0xC4000000, 0xA7000000,
0x7E000000, 0x3D000000, 0x64000000, 0x5D000000, 0x19000000, 0x73000000,
0x60000000, 0x81000000, 0x4F000000, 0xDC000000, 0x22000000, 0x2A000000,
0x90000000, 0x88000000, 0x46000000, 0xEE000000, 0xB8000000, 0x14000000,
0xDE000000, 0x5E000000, 0x0B000000, 0xDB000000, 0xE0000000, 0x32000000,
0x3A000000, 0x0A000000, 0x49000000, 0x06000000, 0x24000000, 0x5C000000,
0xC2000000, 0xD3000000, 0xAC000000, 0x62000000, 0x91000000, 0x95000000,
0xE4000000, 0x79000000, 0xE7000000, 0xC8000000, 0x37000000, 0x6D000000,
0x8D000000, 0xD5000000, 0x4E000000, 0xA9000000, 0x6C000000, 0x56000000,
0xF4000000, 0xEA000000, 0x65000000, 0x7A000000, 0xAE000000, 0x08000000,
0xBA000000, 0x78000000, 0x25000000, 0x2E000000, 0x1C000000, 0xA6000000,
0xB4000000, 0xC6000000, 0xE8000000, 0xDD000000, 0x74000000, 0x1F000000,
0x4B000000, 0xBD000000, 0x8B000000, 0x8A000000, 0x70000000, 0x3E000000,
0xB5000000, 0x66000000, 0x48000000, 0x03000000, 0xF6000000, 0x0E000000,
0x61000000, 0x35000000, 0x57000000, 0xB9000000, 0x86000000, 0xC1000000,
0x1D000000, 0x9E000000, 0xE1000000, 0xF8000000, 0x98000000, 0x11000000,
0x69000000, 0xD9000000, 0x8E000000, 0x94000000, 0x9B000000, 0x1E000000,
0x87000000, 0xE9000000, 0xCE000000, 0x55000000, 0x28000000, 0xDF000000,
0x8C000000, 0xA1000000, 0x89000000, 0x0D000000, 0xBF000000, 0xE6000000,
0x42000000, 0x68000000, 0x41000000, 0x99000000, 0x2D000000, 0x0F000000,
0xB0000000, 0x54000000, 0xBB000000, 0x16000000
};
static uint32_t p_drms_tab3[ 256 ] =
{
0x5150A7F4, 0x7E536541, 0x1AC3A417, 0x3A965E27, 0x3BCB6BAB, 0x1FF1459D,
0xACAB58FA, 0x4B9303E3, 0x2055FA30, 0xADF66D76, 0x889176CC, 0xF5254C02,
0x4FFCD7E5, 0xC5D7CB2A, 0x26804435, 0xB58FA362, 0xDE495AB1, 0x25671BBA,
0x45980EEA, 0x5DE1C0FE, 0xC302752F, 0x8112F04C, 0x8DA39746, 0x6BC6F9D3,
0x03E75F8F, 0x15959C92, 0xBFEB7A6D, 0x95DA5952, 0xD42D83BE, 0x58D32174,
0x492969E0, 0x8E44C8C9, 0x756A89C2, 0xF478798E, 0x996B3E58, 0x27DD71B9,
0xBEB64FE1, 0xF017AD88, 0xC966AC20, 0x7DB43ACE, 0x63184ADF, 0xE582311A,
0x97603351, 0x62457F53, 0xB1E07764, 0xBB84AE6B, 0xFE1CA081, 0xF9942B08,
0x70586848, 0x8F19FD45, 0x94876CDE, 0x52B7F87B, 0xAB23D373, 0x72E2024B,
0xE3578F1F, 0x662AAB55, 0xB20728EB, 0x2F03C2B5, 0x869A7BC5, 0xD3A50837,
0x30F28728, 0x23B2A5BF, 0x02BA6A03, 0xED5C8216, 0x8A2B1CCF, 0xA792B479,
0xF3F0F207, 0x4EA1E269, 0x65CDF4DA, 0x06D5BE05, 0xD11F6234, 0xC48AFEA6,
0x349D532E, 0xA2A055F3, 0x0532E18A, 0xA475EBF6, 0x0B39EC83, 0x40AAEF60,
0x5E069F71, 0xBD51106E, 0x3EF98A21, 0x963D06DD, 0xDDAE053E, 0x4D46BDE6,
0x91B58D54, 0x71055DC4, 0x046FD406, 0x60FF1550, 0x1924FB98, 0xD697E9BD,
0x89CC4340, 0x67779ED9, 0xB0BD42E8, 0x07888B89, 0xE7385B19, 0x79DBEEC8,
0xA1470A7C, 0x7CE90F42, 0xF8C91E84, 0x00000000, 0x09838680, 0x3248ED2B,
0x1EAC7011, 0x6C4E725A, 0xFDFBFF0E, 0x0F563885, 0x3D1ED5AE, 0x3627392D,
0x0A64D90F, 0x6821A65C, 0x9BD1545B, 0x243A2E36, 0x0CB1670A, 0x930FE757,
0xB4D296EE, 0x1B9E919B, 0x804FC5C0, 0x61A220DC, 0x5A694B77, 0x1C161A12,
0xE20ABA93, 0xC0E52AA0, 0x3C43E022, 0x121D171B, 0x0E0B0D09, 0xF2ADC78B,
0x2DB9A8B6, 0x14C8A91E, 0x578519F1, 0xAF4C0775, 0xEEBBDD99, 0xA3FD607F,
0xF79F2601, 0x5CBCF572, 0x44C53B66, 0x5B347EFB, 0x8B762943, 0xCBDCC623,
0xB668FCED, 0xB863F1E4, 0xD7CADC31, 0x42108563, 0x13402297, 0x842011C6,
0x857D244A, 0xD2F83DBB, 0xAE1132F9, 0xC76DA129, 0x1D4B2F9E, 0xDCF330B2,
0x0DEC5286, 0x77D0E3C1, 0x2B6C16B3, 0xA999B970, 0x11FA4894, 0x472264E9,
0xA8C48CFC, 0xA01A3FF0, 0x56D82C7D, 0x22EF9033, 0x87C74E49, 0xD9C1D138,
0x8CFEA2CA, 0x98360BD4, 0xA6CF81F5, 0xA528DE7A, 0xDA268EB7, 0x3FA4BFAD,
0x2CE49D3A, 0x500D9278, 0x6A9BCC5F, 0x5462467E, 0xF6C2138D, 0x90E8B8D8,
0x2E5EF739, 0x82F5AFC3, 0x9FBE805D, 0x697C93D0, 0x6FA92DD5, 0xCFB31225,
0xC83B99AC, 0x10A77D18, 0xE86E639C, 0xDB7BBB3B, 0xCD097826, 0x6EF41859,
0xEC01B79A, 0x83A89A4F, 0xE6656E95, 0xAA7EE6FF, 0x2108CFBC, 0xEFE6E815,
0xBAD99BE7, 0x4ACE366F, 0xEAD4099F, 0x29D67CB0, 0x31AFB2A4, 0x2A31233F,
0xC63094A5, 0x35C066A2, 0x7437BC4E, 0xFCA6CA82, 0xE0B0D090, 0x3315D8A7,
0xF14A9804, 0x41F7DAEC, 0x7F0E50CD, 0x172FF691, 0x768DD64D, 0x434DB0EF,
0xCC544DAA, 0xE4DF0496, 0x9EE3B5D1, 0x4C1B886A, 0xC1B81F2C, 0x467F5165,
0x9D04EA5E, 0x015D358C, 0xFA737487, 0xFB2E410B, 0xB35A1D67, 0x9252D2DB,
0xE9335610, 0x6D1347D6, 0x9A8C61D7, 0x377A0CA1, 0x598E14F8, 0xEB893C13,
0xCEEE27A9, 0xB735C961, 0xE1EDE51C, 0x7A3CB147, 0x9C59DFD2, 0x553F73F2,
0x1879CE14, 0x73BF37C7, 0x53EACDF7, 0x5F5BAAFD, 0xDF146F3D, 0x7886DB44,
0xCA81F3AF, 0xB93EC468, 0x382C3424, 0xC25F40A3, 0x1672C31D, 0xBC0C25E2,
0x288B493C, 0xFF41950D, 0x397101A8, 0x08DEB30C, 0xD89CE4B4, 0x6490C156,
0x7B6184CB, 0xD570B632, 0x48745C6C, 0xD04257B8
};
static uint32_t p_drms_tab4[ 256 ] =
{
0x52000000, 0x09000000, 0x6A000000, 0xD5000000, 0x30000000, 0x36000000,
0xA5000000, 0x38000000, 0xBF000000, 0x40000000, 0xA3000000, 0x9E000000,
0x81000000, 0xF3000000, 0xD7000000, 0xFB000000, 0x7C000000, 0xE3000000,
0x39000000, 0x82000000, 0x9B000000, 0x2F000000, 0xFF000000, 0x87000000,
0x34000000, 0x8E000000, 0x43000000, 0x44000000, 0xC4000000, 0xDE000000,
0xE9000000, 0xCB000000, 0x54000000, 0x7B000000, 0x94000000, 0x32000000,
0xA6000000, 0xC2000000, 0x23000000, 0x3D000000, 0xEE000000, 0x4C000000,
0x95000000, 0x0B000000, 0x42000000, 0xFA000000, 0xC3000000, 0x4E000000,
0x08000000, 0x2E000000, 0xA1000000, 0x66000000, 0x28000000, 0xD9000000,
0x24000000, 0xB2000000, 0x76000000, 0x5B000000, 0xA2000000, 0x49000000,
0x6D000000, 0x8B000000, 0xD1000000, 0x25000000, 0x72000000, 0xF8000000,
0xF6000000, 0x64000000, 0x86000000, 0x68000000, 0x98000000, 0x16000000,
0xD4000000, 0xA4000000, 0x5C000000, 0xCC000000, 0x5D000000, 0x65000000,
0xB6000000, 0x92000000, 0x6C000000, 0x70000000, 0x48000000, 0x50000000,
0xFD000000, 0xED000000, 0xB9000000, 0xDA000000, 0x5E000000, 0x15000000,
0x46000000, 0x57000000, 0xA7000000, 0x8D000000, 0x9D000000, 0x84000000,
0x90000000, 0xD8000000, 0xAB000000, 0x00000000, 0x8C000000, 0xBC000000,
0xD3000000, 0x0A000000, 0xF7000000, 0xE4000000, 0x58000000, 0x05000000,
0xB8000000, 0xB3000000, 0x45000000, 0x06000000, 0xD0000000, 0x2C000000,
0x1E000000, 0x8F000000, 0xCA000000, 0x3F000000, 0x0F000000, 0x02000000,
0xC1000000, 0xAF000000, 0xBD000000, 0x03000000, 0x01000000, 0x13000000,
0x8A000000, 0x6B000000, 0x3A000000, 0x91000000, 0x11000000, 0x41000000,
0x4F000000, 0x67000000, 0xDC000000, 0xEA000000, 0x97000000, 0xF2000000,
0xCF000000, 0xCE000000, 0xF0000000, 0xB4000000, 0xE6000000, 0x73000000,
0x96000000, 0xAC000000, 0x74000000, 0x22000000, 0xE7000000, 0xAD000000,
0x35000000, 0x85000000, 0xE2000000, 0xF9000000, 0x37000000, 0xE8000000,
0x1C000000, 0x75000000, 0xDF000000, 0x6E000000, 0x47000000, 0xF1000000,
0x1A000000, 0x71000000, 0x1D000000, 0x29000000, 0xC5000000, 0x89000000,
0x6F000000, 0xB7000000, 0x62000000, 0x0E000000, 0xAA000000, 0x18000000,
0xBE000000, 0x1B000000, 0xFC000000, 0x56000000, 0x3E000000, 0x4B000000,
0xC6000000, 0xD2000000, 0x79000000, 0x20000000, 0x9A000000, 0xDB000000,
0xC0000000, 0xFE000000, 0x78000000, 0xCD000000, 0x5A000000, 0xF4000000,
0x1F000000, 0xDD000000, 0xA8000000, 0x33000000, 0x88000000, 0x07000000,
0xC7000000, 0x31000000, 0xB1000000, 0x12000000, 0x10000000, 0x59000000,
0x27000000, 0x80000000, 0xEC000000, 0x5F000000, 0x60000000, 0x51000000,
0x7F000000, 0xA9000000, 0x19000000, 0xB5000000, 0x4A000000, 0x0D000000,
0x2D000000, 0xE5000000, 0x7A000000, 0x9F000000, 0x93000000, 0xC9000000,
0x9C000000, 0xEF000000, 0xA0000000, 0xE0000000, 0x3B000000, 0x4D000000,
0xAE000000, 0x2A000000, 0xF5000000, 0xB0000000, 0xC8000000, 0xEB000000,
0xBB000000, 0x3C000000, 0x83000000, 0x53000000, 0x99000000, 0x61000000,
0x17000000, 0x2B000000, 0x04000000, 0x7E000000, 0xBA000000, 0x77000000,
0xD6000000, 0x26000000, 0xE1000000, 0x69000000, 0x14000000, 0x63000000,
0x55000000, 0x21000000, 0x0C000000, 0x7D000000
};
static int32_t p_drms_tab_taos[ 64 ] =
{
-0x28955B88, -0x173848AA, +0x242070DB, -0x3E423112, -0x0A83F051,
+0x4787C62A, -0x57CFB9ED, -0x02B96AFF, +0x698098D8, -0x74BB0851,
-0x0000A44F, -0x76A32842, +0x6B901122, -0x02678E6D, -0x5986BC72,
+0x49B40821, -0x09E1DA9E, -0x3FBF4CC0, +0x265E5A51, -0x16493856,
-0x29D0EFA3, +0x02441453, -0x275E197F, -0x182C0438, +0x21E1CDE6,
-0x3CC8F82A, -0x0B2AF279, +0x455A14ED, -0x561C16FB, -0x03105C08,
+0x676F02D9, -0x72D5B376, -0x0005C6BE, -0x788E097F, +0x6D9D6122,
-0x021AC7F4, -0x5B4115BC, +0x4BDECFA9, -0x0944B4A0, -0x41404390,
+0x289B7EC6, -0x155ED806, -0x2B10CF7B, +0x04881D05, -0x262B2FC7,
-0x1924661B, +0x1FA27CF8, -0x3B53A99B, -0x0BD6DDBC, +0x432AFF97,
-0x546BDC59, -0x036C5FC7, +0x655B59C3, -0x70F3336E, -0x00100B83,
-0x7A7BA22F, +0x6FA87E4F, -0x01D31920, -0x5CFEBCEC, +0x4E0811A1,
-0x08AC817E, -0x42C50DCB, +0x2AD7D2BB, -0x14792C6F
};
static uint8_t p_drms_tab_tend[ 64 ] =
{
0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
static uint16_t p_drms_tab_xor[ 16 ][ 16 ] =
{
{
0x00D1, 0x0315, 0x1A32, 0x19EC, 0x1BBB, 0x1D6F, 0x14FE, 0x0E9E,
0x029E, 0x1B8F, 0x0B70, 0x033A, 0x188E, 0x1D18, 0x0BD8, 0x0EDB
},
{
0x0C64, 0x1C2B, 0x149C, 0x047B, 0x1064, 0x1C7C, 0x118D, 0x1355,
0x0AE5, 0x0F18, 0x016F, 0x17D6, 0x1595, 0x0084, 0x0616, 0x1CCD
},
{
0x1D94, 0x0618, 0x182C, 0x195B, 0x196D, 0x0394, 0x07DB, 0x0287,
0x1636, 0x0B81, 0x1519, 0x0DF9, 0x1BA3, 0x1CC3, 0x0EE2, 0x1434
},
{
0x1457, 0x0CED, 0x0F7D, 0x0D7B, 0x0B9E, 0x0D13, 0x13D7, 0x18D0,
0x1259, 0x1977, 0x0606, 0x1E80, 0x05F2, 0x06B8, 0x1F07, 0x1365
},
{
0x0334, 0x0E30, 0x195F, 0x15F1, 0x058E, 0x0AA8, 0x045A, 0x0465,
0x0B3E, 0x071E, 0x0A36, 0x105C, 0x01AC, 0x1A1E, 0x04E4, 0x056B
},
{
0x12BF, 0x0DA2, 0x0B41, 0x0EAF, 0x034F, 0x0181, 0x04E2, 0x002B,
0x12E6, 0x01BE, 0x10E8, 0x128F, 0x0EB2, 0x1369, 0x05BE, 0x1A59
},
{
0x117E, 0x047C, 0x1E86, 0x056A, 0x0DA7, 0x0D61, 0x03FC, 0x1E6E,
0x1D0C, 0x1E6D, 0x14BF, 0x0C50, 0x063A, 0x1B47, 0x17AE, 0x1321
},
{
0x041B, 0x0A24, 0x0D4D, 0x1F2B, 0x1CB6, 0x1BED, 0x1549, 0x03A7,
0x0254, 0x006C, 0x0C9E, 0x0F73, 0x006C, 0x0008, 0x11F9, 0x0DD5
},
{
0x0BCF, 0x0AF9, 0x1DFE, 0x0341, 0x0E49, 0x0D38, 0x17CB, 0x1513,
0x0E96, 0x00ED, 0x0556, 0x1B28, 0x100C, 0x19D8, 0x14FA, 0x028C
},
{
0x1C60, 0x1232, 0x13D3, 0x0D00, 0x1534, 0x192C, 0x14B5, 0x1CF2,
0x0504, 0x0B5B, 0x1ECF, 0x0423, 0x183B, 0x06B0, 0x169E, 0x1066
},
{
0x04CB, 0x08A2, 0x1B4A, 0x1254, 0x198D, 0x1044, 0x0236, 0x1BD8,
0x18A1, 0x03FF, 0x1A0D, 0x0277, 0x0C2D, 0x17C9, 0x007C, 0x116E
},
{
0x048A, 0x1EAF, 0x0922, 0x0C45, 0x0766, 0x1E5F, 0x1A28, 0x0120,
0x1C15, 0x034C, 0x0508, 0x0E73, 0x0879, 0x0441, 0x09AE, 0x132F
},
{
0x14FE, 0x0413, 0x0A9D, 0x1727, 0x01D7, 0x1A2B, 0x0474, 0x18F0,
0x1F3B, 0x14F5, 0x1071, 0x0895, 0x1071, 0x18FF, 0x18E3, 0x0EB9
},
{
0x0BA9, 0x0961, 0x1599, 0x019E, 0x1D12, 0x1BAA, 0x1E94, 0x1921,
0x14DC, 0x124E, 0x0A25, 0x03AB, 0x1CC0, 0x1EBB, 0x0B4B, 0x16E5
},
{
0x11EA, 0x0D78, 0x1BB3, 0x1BA7, 0x1510, 0x1B7B, 0x0C64, 0x1995,
0x1A58, 0x1651, 0x1964, 0x147A, 0x15F2, 0x11BB, 0x1654, 0x166E
},
{
0x0EA9, 0x1DE1, 0x1443, 0x13C5, 0x00E1, 0x0B2F, 0x0B6F, 0x0A37,
0x18AC, 0x08E6, 0x06F0, 0x136E, 0x0853, 0x0B2E, 0x0813, 0x10D6
}
};
static uint16_t p_drms_tab_sub[ 16 ][ 16 ] =
{
{
0x067A, 0x0C7D, 0x0B4F, 0x127D, 0x0BD6, 0x04AC, 0x16E0, 0x1730,
0x0587, 0x0AFB, 0x1AC3, 0x0120, 0x14B5, 0x0F67, 0x11DE, 0x0961
},
{
0x1127, 0x1A68, 0x07F0, 0x17D0, 0x1A6F, 0x1F3B, 0x01EF, 0x0919,
0x131E, 0x0F90, 0x19E9, 0x18A8, 0x0CB2, 0x1AD0, 0x0C66, 0x0378
},
{
0x03B0, 0x01BE, 0x1866, 0x1159, 0x197C, 0x1105, 0x010B, 0x0353,
0x1ABB, 0x09A6, 0x028A, 0x1BAD, 0x1B20, 0x0455, 0x0F57, 0x0588
},
{
0x1491, 0x0A1D, 0x0F04, 0x0650, 0x191E, 0x1E0E, 0x174B, 0x016B,
0x051F, 0x0532, 0x00DF, 0x1AEA, 0x0005, 0x0E1B, 0x0FF6, 0x08D8
},
{
0x14B4, 0x086A, 0x0C20, 0x0149, 0x1971, 0x0F26, 0x1852, 0x017D,
0x1228, 0x0352, 0x0A44, 0x1330, 0x18DF, 0x1E38, 0x01BC, 0x0BAC
},
{
0x1A48, 0x021F, 0x02F7, 0x0C31, 0x0BC4, 0x1E75, 0x105C, 0x13E3,
0x0B20, 0x03A1, 0x1AF3, 0x1A36, 0x0E34, 0x181F, 0x09BD, 0x122B
},
{
0x0EE0, 0x163B, 0x0BE7, 0x103D, 0x1075, 0x1E9D, 0x02AF, 0x0BA2,
0x1DAA, 0x0CF1, 0x04B6, 0x0598, 0x06A1, 0x0D33, 0x1CFE, 0x04EE
},
{
0x1BAD, 0x07C8, 0x1A48, 0x05E6, 0x031F, 0x0E0A, 0x0326, 0x1650,
0x0526, 0x0B4E, 0x08FC, 0x0E4D, 0x0832, 0x06EA, 0x09BF, 0x0993
},
{
0x09EB, 0x0F31, 0x071B, 0x14D5, 0x11CA, 0x0722, 0x120D, 0x014C,
0x1993, 0x0AE4, 0x1CCB, 0x04E9, 0x0AEE, 0x1708, 0x0C3D, 0x12F2
},
{
0x1A19, 0x07C1, 0x05A7, 0x0744, 0x1606, 0x1A9B, 0x042D, 0x1BFC,
0x1841, 0x0C3C, 0x0FFE, 0x1AB1, 0x1416, 0x18A9, 0x0320, 0x1EC2
},
{
0x0AE7, 0x11C6, 0x124A, 0x11DF, 0x0F81, 0x06CF, 0x0ED9, 0x0253,
0x1D2B, 0x0349, 0x0805, 0x08B3, 0x1052, 0x12CF, 0x0A44, 0x0EA6
},
{
0x03BF, 0x1D90, 0x0EF8, 0x0657, 0x156D, 0x0405, 0x10BE, 0x091F,
0x1C82, 0x1725, 0x19EF, 0x0B8C, 0x04D9, 0x02C7, 0x025A, 0x1B89
},
{
0x0F5C, 0x013D, 0x02F7, 0x12E3, 0x0BC5, 0x1B56, 0x0848, 0x0239,
0x0FCF, 0x03A4, 0x092D, 0x1354, 0x1D83, 0x01BD, 0x071A, 0x0AF1
},
{
0x0875, 0x0793, 0x1B41, 0x1782, 0x0DEF, 0x1D20, 0x13BE, 0x0095,
0x1650, 0x19D4, 0x0DE3, 0x0980, 0x18F2, 0x0CA3, 0x0098, 0x149A
},
{
0x0B81, 0x0AD2, 0x1BBA, 0x1A02, 0x027B, 0x1906, 0x07F5, 0x1CAE,
0x0C3F, 0x02F6, 0x1298, 0x175E, 0x15B2, 0x13D8, 0x14CC, 0x161A
},
{
0x0A42, 0x15F3, 0x0870, 0x1C1D, 0x1203, 0x18B1, 0x1738, 0x1954,
0x1143, 0x1AE8, 0x1D9D, 0x155B, 0x11E8, 0x0ED9, 0x06F7, 0x04CA
}
};
static uint16_t p_drms_tab_add[ 16 ][ 16 ] =
{
{
0x0706, 0x175A, 0x0DEF, 0x1E72, 0x0297, 0x1B0E, 0x1D5A, 0x15B8,
0x13E2, 0x1347, 0x10C6, 0x0B4F, 0x0629, 0x0A75, 0x0A9B, 0x0F55
},
{
0x1A69, 0x09BF, 0x0BA6, 0x1582, 0x1086, 0x1921, 0x01CB, 0x1C6A,
0x0FF5, 0x00F7, 0x0A67, 0x0A1E, 0x1838, 0x0196, 0x10D6, 0x0C7A
},
{
0x180E, 0x038D, 0x1ADD, 0x0684, 0x154A, 0x0AB0, 0x18A4, 0x0D73,
0x1641, 0x0EC6, 0x09F1, 0x1A62, 0x0414, 0x162A, 0x194E, 0x1EC9
},
{
0x022F, 0x0296, 0x1104, 0x14FC, 0x096C, 0x1D02, 0x09BD, 0x027C,
0x080E, 0x1324, 0x128C, 0x0DC1, 0x00B9, 0x17F2, 0x0CBC, 0x0F97
},
{
0x1B93, 0x1C3C, 0x0415, 0x0395, 0x0C7A, 0x06CC, 0x0D4B, 0x16E2,
0x04A2, 0x0DAB, 0x1228, 0x012B, 0x0896, 0x0012, 0x1CD6, 0x1DAC
},
{
0x080D, 0x0446, 0x047A, 0x00AD, 0x029E, 0x0686, 0x17C3, 0x1466,
0x0D16, 0x1896, 0x076E, 0x00CD, 0x17DC, 0x1E9F, 0x1A7C, 0x02BB
},
{
0x0D06, 0x112B, 0x14CB, 0x0A03, 0x1541, 0x1290, 0x0F6D, 0x1503,
0x084B, 0x0382, 0x1A3F, 0x0371, 0x1977, 0x0B67, 0x0CAD, 0x1DF8
},
{
0x1CE3, 0x1306, 0x13F8, 0x1163, 0x1B0B, 0x00BD, 0x0BF0, 0x1A4F,
0x16F7, 0x0B4F, 0x0CF8, 0x1254, 0x0541, 0x100D, 0x0296, 0x0410
},
{
0x1A2B, 0x1169, 0x17D9, 0x0819, 0x03D6, 0x0D03, 0x194D, 0x184A,
0x07CA, 0x1989, 0x0FAD, 0x011C, 0x1C71, 0x0EF6, 0x0DC8, 0x0F2F
},
{
0x0FA5, 0x11BE, 0x0F3B, 0x1D52, 0x0DE2, 0x016E, 0x1AD1, 0x0C4A,
0x1BC2, 0x0AC9, 0x1485, 0x1BEE, 0x0949, 0x1A79, 0x1894, 0x12BB
},
{
0x17B6, 0x14F5, 0x16B1, 0x142C, 0x1301, 0x03EF, 0x16FF, 0x0D37,
0x0D78, 0x01FF, 0x00D6, 0x1053, 0x1A2A, 0x0F61, 0x1352, 0x0C7F
},
{
0x137F, 0x09C4, 0x1D96, 0x021D, 0x1037, 0x1B19, 0x10EF, 0x14E4,
0x02A0, 0x0236, 0x0A5D, 0x1519, 0x141C, 0x1399, 0x007E, 0x1E74
},
{
0x0941, 0x1B3C, 0x0062, 0x0371, 0x09AD, 0x08E8, 0x0A24, 0x0B97,
0x1ED2, 0x0889, 0x136B, 0x0006, 0x1C4C, 0x0444, 0x06F8, 0x0DFB
},
{
0x1D0F, 0x198D, 0x0700, 0x0AFC, 0x1781, 0x12F3, 0x10DA, 0x1F19,
0x1055, 0x0DC9, 0x1860, 0x012B, 0x05BF, 0x082D, 0x0C17, 0x1941
},
{
0x0359, 0x1232, 0x104C, 0x0762, 0x0897, 0x1D6C, 0x030F, 0x1A36,
0x16B0, 0x094D, 0x1782, 0x036F, 0x0EEA, 0x06E6, 0x0D00, 0x0187
},
{
0x17E2, 0x05E5, 0x19FA, 0x1950, 0x146A, 0x0B2A, 0x0512, 0x0EE0,
0x1E27, 0x112D, 0x1DF0, 0x0B13, 0x0378, 0x1DD0, 0x00C1, 0x01E6
}
};

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src/mp4ff/mp4atom.c Normal file
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@ -0,0 +1,781 @@
/*
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
**
** 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 02111-1307, USA.
**
** Any non-GPL usage of this software or parts of this software is strictly
** forbidden.
**
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
** $Id: mp4atom.c,v 1.17 2004/01/11 15:52:18 menno Exp $
**/
#include <stdlib.h>
#include "mp4ffint.h"
#include "drms.h"
/* parse atom header size */
static int32_t mp4ff_atom_get_size(const int8_t *data)
{
uint32_t result;
uint32_t a, b, c, d;
a = (uint8_t)data[0];
b = (uint8_t)data[1];
c = (uint8_t)data[2];
d = (uint8_t)data[3];
result = (a<<24) | (b<<16) | (c<<8) | d;
//if (result > 0 && result < 8) result = 8;
return (int32_t)result;
}
/* comnapre 2 atom names, returns 1 for equal, 0 for unequal */
static int32_t mp4ff_atom_compare(const int8_t a1, const int8_t b1, const int8_t c1, const int8_t d1,
const int8_t a2, const int8_t b2, const int8_t c2, const int8_t d2)
{
if (a1 == a2 && b1 == b2 && c1 == c2 && d1 == d2)
return 1;
else
return 0;
}
static uint8_t mp4ff_atom_name_to_type(const int8_t a, const int8_t b,
const int8_t c, const int8_t d)
{
if (a == 'm')
{
if (mp4ff_atom_compare(a,b,c,d, 'm','o','o','v'))
return ATOM_MOOV;
else if (mp4ff_atom_compare(a,b,c,d, 'm','i','n','f'))
return ATOM_MINF;
else if (mp4ff_atom_compare(a,b,c,d, 'm','d','i','a'))
return ATOM_MDIA;
else if (mp4ff_atom_compare(a,b,c,d, 'm','d','a','t'))
return ATOM_MDAT;
else if (mp4ff_atom_compare(a,b,c,d, 'm','d','h','d'))
return ATOM_MDHD;
else if (mp4ff_atom_compare(a,b,c,d, 'm','v','h','d'))
return ATOM_MVHD;
else if (mp4ff_atom_compare(a,b,c,d, 'm','p','4','a'))
return ATOM_MP4A;
else if (mp4ff_atom_compare(a,b,c,d, 'm','p','4','v'))
return ATOM_MP4V;
else if (mp4ff_atom_compare(a,b,c,d, 'm','p','4','s'))
return ATOM_MP4S;
else if (mp4ff_atom_compare(a,b,c,d, 'm','e','t','a'))
return ATOM_META;
} else if (a == 't') {
if (mp4ff_atom_compare(a,b,c,d, 't','r','a','k'))
return ATOM_TRAK;
else if (mp4ff_atom_compare(a,b,c,d, 't','k','h','d'))
return ATOM_TKHD;
else if (mp4ff_atom_compare(a,b,c,d, 't','r','e','f'))
return ATOM_TREF;
else if (mp4ff_atom_compare(a,b,c,d, 't','r','k','n'))
return ATOM_TRACK;
else if (mp4ff_atom_compare(a,b,c,d, 't','m','p','o'))
return ATOM_TEMPO;
} else if (a == 's') {
if (mp4ff_atom_compare(a,b,c,d, 's','t','b','l'))
return ATOM_STBL;
else if (mp4ff_atom_compare(a,b,c,d, 's','m','h','d'))
return ATOM_SMHD;
else if (mp4ff_atom_compare(a,b,c,d, 's','t','s','d'))
return ATOM_STSD;
else if (mp4ff_atom_compare(a,b,c,d, 's','t','t','s'))
return ATOM_STTS;
else if (mp4ff_atom_compare(a,b,c,d, 's','t','c','o'))
return ATOM_STCO;
else if (mp4ff_atom_compare(a,b,c,d, 's','t','s','c'))
return ATOM_STSC;
else if (mp4ff_atom_compare(a,b,c,d, 's','t','s','z'))
return ATOM_STSZ;
else if (mp4ff_atom_compare(a,b,c,d, 's','t','z','2'))
return ATOM_STZ2;
else if (mp4ff_atom_compare(a,b,c,d, 's','k','i','p'))
return ATOM_SKIP;
else if (mp4ff_atom_compare(a,b,c,d, 's','i','n','f'))
return ATOM_SINF;
else if (mp4ff_atom_compare(a,b,c,d, 's','c','h','i'))
return ATOM_SCHI;
} else if (a == '©') {
if (mp4ff_atom_compare(a,b,c,d, '©','n','a','m'))
return ATOM_TITLE;
else if (mp4ff_atom_compare(a,b,c,d, '©','A','R','T'))
return ATOM_ARTIST;
else if (mp4ff_atom_compare(a,b,c,d, '©','w','r','t'))
return ATOM_WRITER;
else if (mp4ff_atom_compare(a,b,c,d, '©','a','l','b'))
return ATOM_ALBUM;
else if (mp4ff_atom_compare(a,b,c,d, '©','d','a','y'))
return ATOM_DATE;
else if (mp4ff_atom_compare(a,b,c,d, '©','t','o','o'))
return ATOM_TOOL;
else if (mp4ff_atom_compare(a,b,c,d, '©','c','m','t'))
return ATOM_COMMENT;
else if (mp4ff_atom_compare(a,b,c,d, '©','g','e','n'))
return ATOM_GENRE1;
}
if (mp4ff_atom_compare(a,b,c,d, 'e','d','t','s'))
return ATOM_EDTS;
else if (mp4ff_atom_compare(a,b,c,d, 'e','s','d','s'))
return ATOM_ESDS;
else if (mp4ff_atom_compare(a,b,c,d, 'f','t','y','p'))
return ATOM_FTYP;
else if (mp4ff_atom_compare(a,b,c,d, 'f','r','e','e'))
return ATOM_FREE;
else if (mp4ff_atom_compare(a,b,c,d, 'h','m','h','d'))
return ATOM_HMHD;
else if (mp4ff_atom_compare(a,b,c,d, 'v','m','h','d'))
return ATOM_VMHD;
else if (mp4ff_atom_compare(a,b,c,d, 'u','d','t','a'))
return ATOM_UDTA;
else if (mp4ff_atom_compare(a,b,c,d, 'i','l','s','t'))
return ATOM_ILST;
else if (mp4ff_atom_compare(a,b,c,d, 'n','a','m','e'))
return ATOM_NAME;
else if (mp4ff_atom_compare(a,b,c,d, 'd','a','t','a'))
return ATOM_DATA;
else if (mp4ff_atom_compare(a,b,c,d, 'd','i','s','k'))
return ATOM_DISC;
else if (mp4ff_atom_compare(a,b,c,d, 'g','n','r','e'))
return ATOM_GENRE2;
else if (mp4ff_atom_compare(a,b,c,d, 'c','o','v','r'))
return ATOM_COVER;
else if (mp4ff_atom_compare(a,b,c,d, 'c','p','i','l'))
return ATOM_COMPILATION;
else if (mp4ff_atom_compare(a,b,c,d, 'c','t','t','s'))
return ATOM_CTTS;
else if (mp4ff_atom_compare(a,b,c,d, 'd','r','m','s'))
return ATOM_DRMS;
else if (mp4ff_atom_compare(a,b,c,d, 'f','r','m','a'))
return ATOM_FRMA;
else if (mp4ff_atom_compare(a,b,c,d, 'p','r','i','v'))
return ATOM_PRIV;
else if (mp4ff_atom_compare(a,b,c,d, 'i','v','i','v'))
return ATOM_IVIV;
else
return ATOM_UNKNOWN;
}
/* read atom header, return atom size, atom size is with header included */
uint64_t mp4ff_atom_read_header(mp4ff_t *f, uint8_t *atom_type, uint8_t *header_size)
{
uint64_t size;
int32_t ret;
int8_t atom_header[8];
ret = mp4ff_read_data(f, atom_header, 8);
if (ret != 8)
return 0;
size = mp4ff_atom_get_size(atom_header);
*header_size = 8;
/* check for 64 bit atom size */
if (size == 1)
{
*header_size = 16;
size = mp4ff_read_int64(f);
}
//printf("%c%c%c%c\n", atom_header[4], atom_header[5], atom_header[6], atom_header[7]);
*atom_type = mp4ff_atom_name_to_type(atom_header[4], atom_header[5], atom_header[6], atom_header[7]);
return size;
}
static int32_t mp4ff_read_stsz(mp4ff_t *f)
{
mp4ff_read_char(f); /* version */
mp4ff_read_int24(f); /* flags */
f->track[f->total_tracks - 1]->stsz_sample_size = mp4ff_read_int32(f);
f->track[f->total_tracks - 1]->stsz_sample_count = mp4ff_read_int32(f);
if (f->track[f->total_tracks - 1]->stsz_sample_size == 0)
{
int32_t i;
f->track[f->total_tracks - 1]->stsz_table =
(int32_t*)malloc(f->track[f->total_tracks - 1]->stsz_sample_count*sizeof(int32_t));
for (i = 0; i < f->track[f->total_tracks - 1]->stsz_sample_count; i++)
{
f->track[f->total_tracks - 1]->stsz_table[i] = mp4ff_read_int32(f);
}
}
return 0;
}
static int32_t mp4ff_read_esds(mp4ff_t *f)
{
uint8_t tag;
uint32_t temp;
mp4ff_read_char(f); /* version */
mp4ff_read_int24(f); /* flags */
/* get and verify ES_DescrTag */
tag = mp4ff_read_char(f);
if (tag == 0x03)
{
/* read length */
if (mp4ff_read_mp4_descr_length(f) < 5 + 15)
{
return 1;
}
/* skip 3 bytes */
mp4ff_read_int24(f);
} else {
/* skip 2 bytes */
mp4ff_read_int16(f);
}
/* get and verify DecoderConfigDescrTab */
if (mp4ff_read_char(f) != 0x04)
{
return 1;
}
/* read length */
temp = mp4ff_read_mp4_descr_length(f);
if (temp < 13) return 1;
f->track[f->total_tracks - 1]->audioType = mp4ff_read_char(f);
mp4ff_read_int32(f);//0x15000414 ????
f->track[f->total_tracks - 1]->maxBitrate = mp4ff_read_int32(f);
f->track[f->total_tracks - 1]->avgBitrate = mp4ff_read_int32(f);
/* get and verify DecSpecificInfoTag */
if (mp4ff_read_char(f) != 0x05)
{
return 1;
}
/* read length */
f->track[f->total_tracks - 1]->decoderConfigLen = mp4ff_read_mp4_descr_length(f);
if (f->track[f->total_tracks - 1]->decoderConfig)
free(f->track[f->total_tracks - 1]->decoderConfig);
f->track[f->total_tracks - 1]->decoderConfig = malloc(f->track[f->total_tracks - 1]->decoderConfigLen);
if (f->track[f->total_tracks - 1]->decoderConfig)
{
mp4ff_read_data(f, f->track[f->total_tracks - 1]->decoderConfig, f->track[f->total_tracks - 1]->decoderConfigLen);
} else {
f->track[f->total_tracks - 1]->decoderConfigLen = 0;
}
/* will skip the remainder of the atom */
return 0;
}
static int32_t mp4ff_read_mp4a(mp4ff_t *f)
{
uint64_t size;
int32_t i;
uint8_t atom_type = 0;
uint8_t header_size = 0;
for (i = 0; i < 6; i++)
{
mp4ff_read_char(f); /* reserved */
}
/* data_reference_index */ mp4ff_read_int16(f);
mp4ff_read_int32(f); /* reserved */
mp4ff_read_int32(f); /* reserved */
f->track[f->total_tracks - 1]->channelCount = mp4ff_read_int16(f);
f->track[f->total_tracks - 1]->sampleSize = mp4ff_read_int16(f);
mp4ff_read_int16(f);
mp4ff_read_int16(f);
f->track[f->total_tracks - 1]->sampleRate = mp4ff_read_int16(f);
mp4ff_read_int16(f);
size = mp4ff_atom_read_header(f, &atom_type, &header_size);
if (atom_type == ATOM_ESDS)
{
mp4ff_read_esds(f);
}
return 0;
}
#ifdef ITUNES_DRM
static int32_t mp4ff_read_drms(mp4ff_t *f, uint64_t skip)
{
uint64_t size;
int32_t i;
uint8_t atom_type = 0;
uint8_t header_size = 0;
uint32_t drms_user_key[4];
if (drms_get_user_key(NULL, drms_user_key) == 0)
{
f->track[f->total_tracks - 1]->p_drms = drms_alloc();
drms_init( f->track[f->total_tracks - 1]->p_drms,
DRMS_INIT_UKEY, (uint8_t *)drms_user_key,
sizeof(drms_user_key) );
}
for (i = 0; i < 6; i++)
{
mp4ff_read_char(f); /* reserved */
}
/* data_reference_index */ mp4ff_read_int16(f);
mp4ff_read_int32(f); /* reserved */
mp4ff_read_int32(f); /* reserved */
f->track[f->total_tracks - 1]->channelCount = mp4ff_read_int16(f);
f->track[f->total_tracks - 1]->sampleSize = mp4ff_read_int16(f);
mp4ff_read_int16(f);
mp4ff_read_int16(f);
f->track[f->total_tracks - 1]->sampleRate = mp4ff_read_int16(f);
mp4ff_read_int16(f);
size = mp4ff_atom_read_header(f, &atom_type, &header_size);
if (atom_type == ATOM_ESDS)
{
mp4ff_read_esds(f);
}
mp4ff_set_position(f, skip+size+28);
size = mp4ff_atom_read_header(f, &atom_type, &header_size);
if (atom_type == ATOM_SINF)
{
parse_sub_atoms(f, size-header_size);
}
return 0;
}
static int32_t mp4ff_read_frma(mp4ff_t *f)
{
uint8_t atom_type;
int8_t type[4];
mp4ff_read_data(f, type, 4);
atom_type = mp4ff_atom_name_to_type(type[0], type[1], type[2], type[3]);
if (atom_type == ATOM_MP4A)
{
f->track[f->total_tracks - 1]->type = TRACK_AUDIO;
} else if (atom_type == ATOM_MP4V) {
f->track[f->total_tracks - 1]->type = TRACK_VIDEO;
} else if (atom_type == ATOM_MP4S) {
f->track[f->total_tracks - 1]->type = TRACK_SYSTEM;
} else {
f->track[f->total_tracks - 1]->type = TRACK_UNKNOWN;
}
return 0;
}
static int32_t mp4ff_read_name(mp4ff_t *f, uint64_t size)
{
uint8_t *data = malloc(size);
mp4ff_read_data(f, data, size);
if (f->track[f->total_tracks - 1]->p_drms != NULL)
{
drms_init(f->track[f->total_tracks - 1]->p_drms,
DRMS_INIT_NAME, data, strlen(data) );
}
if (data)
free(data);
return 0;
}
static int32_t mp4ff_read_priv(mp4ff_t *f, uint64_t size)
{
uint8_t *data = malloc(size);
mp4ff_read_data(f, data, size);
if (f->track[f->total_tracks - 1]->p_drms != 0)
{
drms_init(f->track[f->total_tracks - 1]->p_drms,
DRMS_INIT_PRIV, data, size );
}
if (data)
free(data);
return 0;
}
static int32_t mp4ff_read_iviv(mp4ff_t *f, uint64_t size)
{
uint8_t *data = malloc(size);
mp4ff_read_data(f, data, size);
if (f->track[f->total_tracks - 1]->p_drms != 0)
{
drms_init(f->track[f->total_tracks - 1]->p_drms,
DRMS_INIT_IVIV, data, sizeof(uint32_t) * 4 );
}
if (data)
free(data);
return 0;
}
#endif
static int32_t mp4ff_read_stsd(mp4ff_t *f)
{
int32_t i;
uint8_t header_size = 0;
mp4ff_read_char(f); /* version */
mp4ff_read_int24(f); /* flags */
f->track[f->total_tracks - 1]->stsd_entry_count = mp4ff_read_int32(f);
for (i = 0; i < f->track[f->total_tracks - 1]->stsd_entry_count; i++)
{
uint64_t skip = mp4ff_position(f);
uint64_t size;
uint8_t atom_type = 0;
size = mp4ff_atom_read_header(f, &atom_type, &header_size);
skip += size;
if (atom_type == ATOM_MP4A)
{
f->track[f->total_tracks - 1]->type = TRACK_AUDIO;
mp4ff_read_mp4a(f);
} else if (atom_type == ATOM_MP4V) {
f->track[f->total_tracks - 1]->type = TRACK_VIDEO;
} else if (atom_type == ATOM_MP4S) {
f->track[f->total_tracks - 1]->type = TRACK_SYSTEM;
#ifdef ITUNES_DRM
} else if (atom_type == ATOM_DRMS) {
// track type is read from the "frma" atom
f->track[f->total_tracks - 1]->type = TRACK_UNKNOWN;
mp4ff_read_drms(f, skip-size+header_size);
#endif
} else {
f->track[f->total_tracks - 1]->type = TRACK_UNKNOWN;
}
mp4ff_set_position(f, skip);
}
return 0;
}
static int32_t mp4ff_read_stsc(mp4ff_t *f)
{
int32_t i;
mp4ff_read_char(f); /* version */
mp4ff_read_int24(f); /* flags */
f->track[f->total_tracks - 1]->stsc_entry_count = mp4ff_read_int32(f);
f->track[f->total_tracks - 1]->stsc_first_chunk =
(int32_t*)malloc(f->track[f->total_tracks - 1]->stsc_entry_count*sizeof(int32_t));
f->track[f->total_tracks - 1]->stsc_samples_per_chunk =
(int32_t*)malloc(f->track[f->total_tracks - 1]->stsc_entry_count*sizeof(int32_t));
f->track[f->total_tracks - 1]->stsc_sample_desc_index =
(int32_t*)malloc(f->track[f->total_tracks - 1]->stsc_entry_count*sizeof(int32_t));
for (i = 0; i < f->track[f->total_tracks - 1]->stsc_entry_count; i++)
{
f->track[f->total_tracks - 1]->stsc_first_chunk[i] = mp4ff_read_int32(f);
f->track[f->total_tracks - 1]->stsc_samples_per_chunk[i] = mp4ff_read_int32(f);
f->track[f->total_tracks - 1]->stsc_sample_desc_index[i] = mp4ff_read_int32(f);
}
return 0;
}
static int32_t mp4ff_read_stco(mp4ff_t *f)
{
int32_t i;
mp4ff_read_char(f); /* version */
mp4ff_read_int24(f); /* flags */
f->track[f->total_tracks - 1]->stco_entry_count = mp4ff_read_int32(f);
f->track[f->total_tracks - 1]->stco_chunk_offset =
(int32_t*)malloc(f->track[f->total_tracks - 1]->stco_entry_count*sizeof(int32_t));
for (i = 0; i < f->track[f->total_tracks - 1]->stco_entry_count; i++)
{
f->track[f->total_tracks - 1]->stco_chunk_offset[i] = mp4ff_read_int32(f);
}
return 0;
}
static int32_t mp4ff_read_ctts(mp4ff_t *f)
{
int32_t i;
mp4ff_track_t * p_track = f->track[f->total_tracks - 1];
if (p_track->ctts_entry_count) return 0;
mp4ff_read_char(f); /* version */
mp4ff_read_int24(f); /* flags */
p_track->ctts_entry_count = mp4ff_read_int32(f);
p_track->ctts_sample_count = (int32_t*)malloc(p_track->ctts_entry_count * sizeof(int32_t));
p_track->ctts_sample_offset = (int32_t*)malloc(p_track->ctts_entry_count * sizeof(int32_t));
if (p_track->ctts_sample_count == 0 || p_track->ctts_sample_offset == 0)
{
if (p_track->ctts_sample_count) {free(p_track->ctts_sample_count);p_track->ctts_sample_count=0;}
if (p_track->ctts_sample_offset) {free(p_track->ctts_sample_offset);p_track->ctts_sample_offset=0;}
p_track->ctts_entry_count = 0;
return 0;
}
else
{
for (i = 0; i < f->track[f->total_tracks - 1]->ctts_entry_count; i++)
{
p_track->ctts_sample_count[i] = mp4ff_read_int32(f);
p_track->ctts_sample_offset[i] = mp4ff_read_int32(f);
}
return 1;
}
}
static int32_t mp4ff_read_stts(mp4ff_t *f)
{
int32_t i;
mp4ff_track_t * p_track = f->track[f->total_tracks - 1];
if (p_track->stts_entry_count) return 0;
mp4ff_read_char(f); /* version */
mp4ff_read_int24(f); /* flags */
p_track->stts_entry_count = mp4ff_read_int32(f);
p_track->stts_sample_count = (int32_t*)malloc(p_track->stts_entry_count * sizeof(int32_t));
p_track->stts_sample_delta = (int32_t*)malloc(p_track->stts_entry_count * sizeof(int32_t));
if (p_track->stts_sample_count == 0 || p_track->stts_sample_delta == 0)
{
if (p_track->stts_sample_count) {free(p_track->stts_sample_count);p_track->stts_sample_count=0;}
if (p_track->stts_sample_delta) {free(p_track->stts_sample_delta);p_track->stts_sample_delta=0;}
p_track->stts_entry_count = 0;
return 0;
}
else
{
for (i = 0; i < f->track[f->total_tracks - 1]->stts_entry_count; i++)
{
p_track->stts_sample_count[i] = mp4ff_read_int32(f);
p_track->stts_sample_delta[i] = mp4ff_read_int32(f);
}
return 1;
}
}
static int32_t mp4ff_read_mvhd(mp4ff_t *f)
{
int32_t i;
mp4ff_read_char(f); /* version */
mp4ff_read_int24(f); /* flags */
/* creation_time */ mp4ff_read_int32(f);
/* modification_time */ mp4ff_read_int32(f);
f->time_scale = mp4ff_read_int32(f);
f->duration = mp4ff_read_int32(f);
/* preferred_rate */ mp4ff_read_int32(f); /*mp4ff_read_fixed32(f);*/
/* preferred_volume */ mp4ff_read_int16(f); /*mp4ff_read_fixed16(f);*/
for (i = 0; i < 10; i++)
{
/* reserved */ mp4ff_read_char(f);
}
for (i = 0; i < 9; i++)
{
mp4ff_read_int32(f); /* matrix */
}
/* preview_time */ mp4ff_read_int32(f);
/* preview_duration */ mp4ff_read_int32(f);
/* poster_time */ mp4ff_read_int32(f);
/* selection_time */ mp4ff_read_int32(f);
/* selection_duration */ mp4ff_read_int32(f);
/* current_time */ mp4ff_read_int32(f);
/* next_track_id */ mp4ff_read_int32(f);
return 0;
}
#if 0
static int32_t mp4ff_read_tkhd(mp4ff_t *f)
{
uint8_t version;
uint32_t flags;
version = mp4ff_read_char(f); /* version */
flags = mp4ff_read_int24(f); /* flags */
if (version==1)
{
mp4ff_read_int64(f);//creation-time
mp4ff_read_int64(f);//modification-time
mp4ff_read_int32(f);//track-id
mp4ff_read_int32(f);//reserved
f->track[f->total_tracks - 1]->duration = mp4ff_read_int64(f);//duration
}
else //version == 0
{
mp4ff_read_int32(f);//creation-time
mp4ff_read_int32(f);//modification-time
mp4ff_read_int32(f);//track-id
mp4ff_read_int32(f);//reserved
f->track[f->total_tracks - 1]->duration = mp4ff_read_int32(f);//duration
if (f->track[f->total_tracks - 1]->duration == 0xFFFFFFFF)
f->track[f->total_tracks - 1]->duration = 0xFFFFFFFFFFFFFFFF;
}
mp4ff_read_int32(f);//reserved
mp4ff_read_int32(f);//reserved
mp4ff_read_int16(f);//layer
mp4ff_read_int16(f);//pre-defined
mp4ff_read_int16(f);//volume
mp4ff_read_int16(f);//reserved
//matrix
mp4ff_read_int32(f); mp4ff_read_int32(f); mp4ff_read_int32(f);
mp4ff_read_int32(f); mp4ff_read_int32(f); mp4ff_read_int32(f);
mp4ff_read_int32(f); mp4ff_read_int32(f); mp4ff_read_int32(f);
mp4ff_read_int32(f);//width
mp4ff_read_int32(f);//height
return 1;
}
#endif
static int32_t mp4ff_read_mdhd(mp4ff_t *f)
{
uint32_t version;
version = mp4ff_read_int32(f);
if (version==1)
{
mp4ff_read_int64(f);//creation-time
mp4ff_read_int64(f);//modification-time
f->track[f->total_tracks - 1]->timeScale = mp4ff_read_int32(f);//timescale
f->track[f->total_tracks - 1]->duration = mp4ff_read_int64(f);//duration
}
else //version == 0
{
uint32_t temp;
mp4ff_read_int32(f);//creation-time
mp4ff_read_int32(f);//modification-time
f->track[f->total_tracks - 1]->timeScale = mp4ff_read_int32(f);//timescale
temp = mp4ff_read_int32(f);
f->track[f->total_tracks - 1]->duration = (temp == (uint32_t)(-1)) ? (uint64_t)(-1) : (uint64_t)(temp);
}
mp4ff_read_int16(f);
mp4ff_read_int16(f);
return 1;
}
#ifdef USE_TAGGING
static int32_t mp4ff_read_meta(mp4ff_t *f, const uint64_t size)
{
uint64_t subsize, sumsize = 0;
uint8_t atom_type;
uint8_t header_size = 0;
mp4ff_read_char(f); /* version */
mp4ff_read_int24(f); /* flags */
while (sumsize < (size-12))
{
subsize = mp4ff_atom_read_header(f, &atom_type, &header_size);
if (atom_type == ATOM_ILST)
{
mp4ff_parse_metadata(f, (uint32_t)(subsize-(header_size+4)));
} else {
mp4ff_set_position(f, mp4ff_position(f)+subsize-header_size);
}
sumsize += subsize;
}
return 0;
}
#endif
int32_t mp4ff_atom_read(mp4ff_t *f, const int32_t size, const uint8_t atom_type)
{
uint64_t dest_position = mp4ff_position(f)+size-8;
if (atom_type == ATOM_STSZ)
{
/* sample size box */
mp4ff_read_stsz(f);
} else if (atom_type == ATOM_STTS) {
/* time to sample box */
mp4ff_read_stts(f);
} else if (atom_type == ATOM_CTTS) {
/* composition offset box */
mp4ff_read_ctts(f);
} else if (atom_type == ATOM_STSC) {
/* sample to chunk box */
mp4ff_read_stsc(f);
} else if (atom_type == ATOM_STCO) {
/* chunk offset box */
mp4ff_read_stco(f);
} else if (atom_type == ATOM_STSD) {
/* sample description box */
mp4ff_read_stsd(f);
} else if (atom_type == ATOM_MVHD) {
/* movie header box */
mp4ff_read_mvhd(f);
} else if (atom_type == ATOM_MDHD) {
/* track header */
mp4ff_read_mdhd(f);
#ifdef ITUNES_DRM
} else if (atom_type == ATOM_FRMA) {
/* DRM track format */
mp4ff_read_frma(f);
} else if (atom_type == ATOM_IVIV) {
mp4ff_read_iviv(f, size-8);
} else if (atom_type == ATOM_NAME) {
mp4ff_read_name(f, size-8);
} else if (atom_type == ATOM_PRIV) {
mp4ff_read_priv(f, size-8);
#endif
#ifdef USE_TAGGING
} else if (atom_type == ATOM_META) {
/* iTunes Metadata box */
mp4ff_read_meta(f, size);
#endif
}
mp4ff_set_position(f, dest_position);
return 0;
}

428
src/mp4ff/mp4ff.c Normal file
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@ -0,0 +1,428 @@
/*
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
**
** 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 02111-1307, USA.
**
** Any non-GPL usage of this software or parts of this software is strictly
** forbidden.
**
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
** $Id: mp4ff.c,v 1.15 2004/01/11 15:52:18 menno Exp $
**/
#include <stdlib.h>
#include <string.h>
#include "mp4ffint.h"
#include "drms.h"
mp4ff_t *mp4ff_open_read(mp4ff_callback_t *f)
{
mp4ff_t *ff = malloc(sizeof(mp4ff_t));
memset(ff, 0, sizeof(mp4ff_t));
ff->stream = f;
parse_atoms(ff);
return ff;
}
void mp4ff_close(mp4ff_t *ff)
{
int32_t i;
for (i = 0; i < ff->total_tracks; i++)
{
if (ff->track[i])
{
if (ff->track[i]->stsz_table)
free(ff->track[i]->stsz_table);
if (ff->track[i]->stts_sample_count)
free(ff->track[i]->stts_sample_count);
if (ff->track[i]->stts_sample_delta)
free(ff->track[i]->stts_sample_delta);
if (ff->track[i]->stsc_first_chunk)
free(ff->track[i]->stsc_first_chunk);
if (ff->track[i]->stsc_samples_per_chunk)
free(ff->track[i]->stsc_samples_per_chunk);
if (ff->track[i]->stsc_sample_desc_index)
free(ff->track[i]->stsc_sample_desc_index);
if (ff->track[i]->stco_chunk_offset)
free(ff->track[i]->stco_chunk_offset);
if (ff->track[i]->decoderConfig)
free(ff->track[i]->decoderConfig);
if (ff->track[i]->ctts_sample_count)
free(ff->track[i]->ctts_sample_count);
if (ff->track[i]->ctts_sample_offset)
free(ff->track[i]->ctts_sample_offset);
#ifdef ITUNES_DRM
if (ff->track[i]->p_drms)
drms_free(ff->track[i]->p_drms);
#endif
free(ff->track[i]);
}
}
#ifdef USE_TAGGING
mp4ff_tag_delete(&(ff->tags));
#endif
if (ff) free(ff);
}
static void mp4ff_track_add(mp4ff_t *f)
{
f->total_tracks++;
f->track[f->total_tracks - 1] = malloc(sizeof(mp4ff_track_t));
memset(f->track[f->total_tracks - 1], 0, sizeof(mp4ff_track_t));
}
/* parse atoms that are sub atoms of other atoms */
int32_t parse_sub_atoms(mp4ff_t *f, const uint64_t total_size)
{
uint64_t size;
uint8_t atom_type = 0;
uint64_t counted_size = 0;
uint8_t header_size = 0;
while (counted_size < total_size)
{
size = mp4ff_atom_read_header(f, &atom_type, &header_size);
counted_size += size;
/* check for end of file */
if (size == 0)
break;
/* we're starting to read a new track, update index,
* so that all data and tables get written in the right place
*/
if (atom_type == ATOM_TRAK)
{
mp4ff_track_add(f);
}
/* parse subatoms */
if (atom_type < SUBATOMIC)
{
parse_sub_atoms(f, size-header_size);
} else {
mp4ff_atom_read(f, (uint32_t)size, atom_type);
}
}
return 0;
}
/* parse root atoms */
int32_t parse_atoms(mp4ff_t *f)
{
uint64_t size;
uint8_t atom_type = 0;
uint8_t header_size = 0;
f->file_size = 0;
while ((size = mp4ff_atom_read_header(f, &atom_type, &header_size)) != 0)
{
f->file_size += size;
f->last_atom = atom_type;
if (atom_type == ATOM_MDAT && f->moov_read)
{
/* moov atom is before mdat, we can stop reading when mdat is encountered */
/* file position will stay at beginning of mdat data */
// break;
}
if (atom_type == ATOM_MOOV && size > header_size)
{
f->moov_read = 1;
f->moov_offset = mp4ff_position(f)-header_size;
f->moov_size = size;
}
/* parse subatoms */
if (atom_type < SUBATOMIC)
{
parse_sub_atoms(f, size-header_size);
} else {
/* skip this atom */
mp4ff_set_position(f, mp4ff_position(f)+size-header_size);
}
}
return 0;
}
int32_t mp4ff_get_decoder_config(const mp4ff_t *f, const int32_t track,
uint8_t** ppBuf, uint32_t* pBufSize)
{
if (track >= f->total_tracks)
{
*ppBuf = NULL;
*pBufSize = 0;
return 1;
}
if (f->track[track]->decoderConfig == NULL || f->track[track]->decoderConfigLen == 0)
{
*ppBuf = NULL;
*pBufSize = 0;
} else {
*ppBuf = malloc(f->track[track]->decoderConfigLen);
if (*ppBuf == NULL)
{
*pBufSize = 0;
return 1;
}
memcpy(*ppBuf, f->track[track]->decoderConfig, f->track[track]->decoderConfigLen);
*pBufSize = f->track[track]->decoderConfigLen;
}
return 0;
}
int32_t mp4ff_get_track_type(const mp4ff_t *f, const int track)
{
return f->track[track]->type;
}
int32_t mp4ff_total_tracks(const mp4ff_t *f)
{
return f->total_tracks;
}
int32_t mp4ff_time_scale(const mp4ff_t *f, const int32_t track)
{
return f->track[track]->timeScale;
}
uint32_t mp4ff_get_avg_bitrate(const mp4ff_t *f, const int32_t track)
{
return f->track[track]->avgBitrate;
}
uint32_t mp4ff_get_max_bitrate(const mp4ff_t *f, const int32_t track)
{
return f->track[track]->maxBitrate;
}
int64_t mp4ff_get_track_duration(const mp4ff_t *f, const int32_t track)
{
return f->track[track]->duration;
}
int64_t mp4ff_get_track_duration_use_offsets(const mp4ff_t *f, const int32_t track)
{
int64_t duration = mp4ff_get_track_duration(f,track);
if (duration!=-1)
{
int64_t offset = mp4ff_get_sample_offset(f,track,0);
if (offset > duration) duration = 0;
else duration -= offset;
}
return duration;
}
int32_t mp4ff_num_samples(const mp4ff_t *f, const int32_t track)
{
int32_t i;
int32_t total = 0;
for (i = 0; i < f->track[track]->stts_entry_count; i++)
{
total += f->track[track]->stts_sample_count[i];
}
return total;
}
uint32_t mp4ff_get_sample_rate(const mp4ff_t *f, const int32_t track)
{
return f->track[track]->sampleRate;
}
uint32_t mp4ff_get_channel_count(const mp4ff_t * f,const int32_t track)
{
return f->track[track]->channelCount;
}
uint32_t mp4ff_get_audio_type(const mp4ff_t * f,const int32_t track)
{
return f->track[track]->audioType;
}
int32_t mp4ff_get_sample_duration_use_offsets(const mp4ff_t *f, const int32_t track, const int32_t sample)
{
int32_t d,o;
d = mp4ff_get_sample_duration(f,track,sample);
if (d!=-1)
{
o = mp4ff_get_sample_offset(f,track,sample);
if (o>d) d = 0;
else d -= o;
}
return d;
}
int32_t mp4ff_get_sample_duration(const mp4ff_t *f, const int32_t track, const int32_t sample)
{
int32_t i, co = 0;
for (i = 0; i < f->track[track]->stts_entry_count; i++)
{
int32_t delta = f->track[track]->stts_sample_count[i];
if (sample < co + delta)
return f->track[track]->stts_sample_delta[i];
co += delta;
}
return (int32_t)(-1);
}
int64_t mp4ff_get_sample_position(const mp4ff_t *f, const int32_t track, const int32_t sample)
{
int32_t i, co = 0;
int64_t acc = 0;
for (i = 0; i < f->track[track]->stts_entry_count; i++)
{
int32_t delta = f->track[track]->stts_sample_count[i];
if (sample < co + delta)
{
acc += f->track[track]->stts_sample_delta[i] * (sample - co);
return acc;
}
else
{
acc += f->track[track]->stts_sample_delta[i] * delta;
}
co += delta;
}
return (int64_t)(-1);
}
int32_t mp4ff_get_sample_offset(const mp4ff_t *f, const int32_t track, const int32_t sample)
{
int32_t i, co = 0;
for (i = 0; i < f->track[track]->ctts_entry_count; i++)
{
int32_t delta = f->track[track]->ctts_sample_count[i];
if (sample < co + delta)
return f->track[track]->ctts_sample_offset[i];
co += delta;
}
return 0;
}
int32_t mp4ff_find_sample(const mp4ff_t *f, const int32_t track, const int64_t offset,int32_t * toskip)
{
int32_t i, co = 0;
int64_t offset_total = 0;
mp4ff_track_t * p_track = f->track[track];
for (i = 0; i < p_track->stts_entry_count; i++)
{
int32_t sample_count = p_track->stts_sample_count[i];
int32_t sample_delta = p_track->stts_sample_delta[i];
int64_t offset_delta = (int64_t)sample_delta * (int64_t)sample_count;
if (offset < offset_total + offset_delta)
{
int64_t offset_fromstts = offset - offset_total;
if (toskip) *toskip = (int32_t)(offset_fromstts % sample_delta);
return co + (int32_t)(offset_fromstts / sample_delta);
}
else
{
offset_total += offset_delta;
}
co += sample_count;
}
return (int32_t)(-1);
}
int32_t mp4ff_find_sample_use_offsets(const mp4ff_t *f, const int32_t track, const int64_t offset,int32_t * toskip)
{
return mp4ff_find_sample(f,track,offset + mp4ff_get_sample_offset(f,track,0),toskip);
}
int32_t mp4ff_read_sample(mp4ff_t *f, const int32_t track, const int32_t sample,
uint8_t **audio_buffer, uint32_t *bytes)
{
int32_t result = 0;
*bytes = mp4ff_audio_frame_size(f, track, sample);
if (*bytes==0) return 0;
*audio_buffer = (uint8_t*)malloc(*bytes);
mp4ff_set_sample_position(f, track, sample);
result = mp4ff_read_data(f, *audio_buffer, *bytes);
if (!result)
{
free(*audio_buffer);
*audio_buffer = 0;
return 0;
}
#ifdef ITUNES_DRM
if (f->track[track]->p_drms != NULL)
{
drms_decrypt(f->track[track]->p_drms, (uint32_t*)*audio_buffer, *bytes);
}
#endif
return *bytes;
}
int32_t mp4ff_read_sample_v2(mp4ff_t *f, const int track, const int sample,unsigned char *buffer)
{
int32_t result = 0;
int32_t size = mp4ff_audio_frame_size(f,track,sample);
if (size<=0) return 0;
mp4ff_set_sample_position(f, track, sample);
result = mp4ff_read_data(f,buffer,size);
#ifdef ITUNES_DRM
if (f->track[track]->p_drms != NULL)
{
drms_decrypt(f->track[track]->p_drms, (uint32_t*)buffer, size);
}
#endif
return result;
}
int32_t mp4ff_read_sample_getsize(mp4ff_t *f, const int track, const int sample)
{
int32_t temp = mp4ff_audio_frame_size(f, track, sample);
if (temp<0) temp = 0;
return temp;
}

144
src/mp4ff/mp4ff.dsp Normal file
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128
src/mp4ff/mp4ff.h Normal file
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@ -0,0 +1,128 @@
/*
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
**
** 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 02111-1307, USA.
**
** Any non-GPL usage of this software or parts of this software is strictly
** forbidden.
**
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
** $Id: mp4ff.h,v 1.19 2004/01/11 15:52:18 menno Exp $
**/
#ifndef MP4FF_H
#define MP4FF_H
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#include "mp4ff_int_types.h"
/* file callback structure */
typedef struct
{
uint32_t (*read)(void *user_data, void *buffer, uint32_t length);
uint32_t (*write)(void *udata, void *buffer, uint32_t length);
uint32_t (*seek)(void *user_data, uint64_t position);
uint32_t (*truncate)(void *user_data);
void *user_data;
} mp4ff_callback_t;
/* mp4 main file structure */
typedef void* mp4ff_t;
/* API */
mp4ff_t *mp4ff_open_read(mp4ff_callback_t *f);
void mp4ff_close(mp4ff_t *f);
int32_t mp4ff_get_sample_duration(const mp4ff_t *f, const int32_t track, const int32_t sample);
int32_t mp4ff_get_sample_duration_use_offsets(const mp4ff_t *f, const int32_t track, const int32_t sample);
int64_t mp4ff_get_sample_position(const mp4ff_t *f, const int32_t track, const int32_t sample);
int32_t mp4ff_get_sample_offset(const mp4ff_t *f, const int32_t track, const int32_t sample);
int32_t mp4ff_find_sample(const mp4ff_t *f, const int32_t track, const int64_t offset,int32_t * toskip);
int32_t mp4ff_find_sample_use_offsets(const mp4ff_t *f, const int32_t track, const int64_t offset,int32_t * toskip);
int32_t mp4ff_read_sample(mp4ff_t *f, const int track, const int sample,
unsigned char **audio_buffer, unsigned int *bytes);
int32_t mp4ff_read_sample_v2(mp4ff_t *f, const int track, const int sample,unsigned char *buffer);//returns 0 on error, number of bytes read on success, use mp4ff_read_sample_getsize() to check buffer size needed
int32_t mp4ff_read_sample_getsize(mp4ff_t *f, const int track, const int sample);//returns 0 on error, buffer size needed for mp4ff_read_sample_v2() on success
int32_t mp4ff_get_decoder_config(const mp4ff_t *f, const int track,
unsigned char** ppBuf, unsigned int* pBufSize);
int32_t mp4ff_get_track_type(const mp4ff_t *f, const int track);
int32_t mp4ff_total_tracks(const mp4ff_t *f);
int32_t mp4ff_num_samples(const mp4ff_t *f, const int track);
int32_t mp4ff_time_scale(const mp4ff_t *f, const int track);
uint32_t mp4ff_get_avg_bitrate(const mp4ff_t *f, const int32_t track);
uint32_t mp4ff_get_max_bitrate(const mp4ff_t *f, const int32_t track);
int64_t mp4ff_get_track_duration(const mp4ff_t *f, const int32_t track); //returns (-1) if unknown
int64_t mp4ff_get_track_duration_use_offsets(const mp4ff_t *f, const int32_t track); //returns (-1) if unknown
uint32_t mp4ff_get_sample_rate(const mp4ff_t *f, const int32_t track);
uint32_t mp4ff_get_channel_count(const mp4ff_t * f,const int32_t track);
uint32_t mp4ff_get_audio_type(const mp4ff_t * f,const int32_t track);
/* metadata */
int mp4ff_meta_get_num_items(const mp4ff_t *f);
int mp4ff_meta_get_by_index(const mp4ff_t *f, unsigned int index,
char **item, char **value);
int mp4ff_meta_get_title(const mp4ff_t *f, char **value);
int mp4ff_meta_get_artist(const mp4ff_t *f, char **value);
int mp4ff_meta_get_writer(const mp4ff_t *f, char **value);
int mp4ff_meta_get_album(const mp4ff_t *f, char **value);
int mp4ff_meta_get_date(const mp4ff_t *f, char **value);
int mp4ff_meta_get_tool(const mp4ff_t *f, char **value);
int mp4ff_meta_get_comment(const mp4ff_t *f, char **value);
int mp4ff_meta_get_genre(const mp4ff_t *f, char **value);
int mp4ff_meta_get_track(const mp4ff_t *f, char **value);
int mp4ff_meta_get_disc(const mp4ff_t *f, char **value);
int mp4ff_meta_get_compilation(const mp4ff_t *f, char **value);
int mp4ff_meta_get_tempo(const mp4ff_t *f, char **value);
int32_t mp4ff_meta_get_coverart(const mp4ff_t *f, char **value);
#ifdef USE_TAGGING
/* metadata tag structure */
typedef struct
{
char *item;
char *value;
} mp4ff_tag_t;
/* metadata list structure */
typedef struct
{
mp4ff_tag_t *tags;
uint32_t count;
} mp4ff_metadata_t;
int32_t mp4ff_meta_update(mp4ff_callback_t *f,const mp4ff_metadata_t * data);
#endif
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif

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src/mp4ff/mp4ff.vcproj Normal file
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23
src/mp4ff/mp4ff_int_types.h Normal file
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@ -0,0 +1,23 @@
#ifndef _MP4FF_INT_TYPES_H_
#define _MP4FF_INT_TYPES_H_
#ifdef _WIN32
typedef char int8_t;
typedef unsigned char uint8_t;
typedef short int16_t;
typedef unsigned short uint16_t;
typedef long int32_t;
typedef unsigned long uint32_t;
typedef __int64 int64_t;
typedef unsigned __int64 uint64_t;
#else
#include <stdint.h>
#endif
#endif

329
src/mp4ff/mp4ffint.h Normal file
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/*
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
**
** 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 02111-1307, USA.
**
** Any non-GPL usage of this software or parts of this software is strictly
** forbidden.
**
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
** $Id: mp4ffint.h,v 1.15 2004/01/14 20:50:22 menno Exp $
**/
#ifndef MP4FF_INTERNAL_H
#define MP4FF_INTERNAL_H
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#include "mp4ff_int_types.h"
#ifdef _WIN32
#define ITUNES_DRM
#endif
#define MAX_TRACKS 1024
#define TRACK_UNKNOWN 0
#define TRACK_AUDIO 1
#define TRACK_VIDEO 2
#define TRACK_SYSTEM 3
#define SUBATOMIC 128
/* atoms without subatoms */
#define ATOM_FTYP 129
#define ATOM_MDAT 130
#define ATOM_MVHD 131
#define ATOM_TKHD 132
#define ATOM_TREF 133
#define ATOM_MDHD 134
#define ATOM_VMHD 135
#define ATOM_SMHD 136
#define ATOM_HMHD 137
#define ATOM_STSD 138
#define ATOM_STTS 139
#define ATOM_STSZ 140
#define ATOM_STZ2 141
#define ATOM_STCO 142
#define ATOM_STSC 143
#define ATOM_MP4A 144
#define ATOM_MP4V 145
#define ATOM_MP4S 146
#define ATOM_ESDS 147
#define ATOM_META 148 /* iTunes Metadata box */
#define ATOM_NAME 149 /* iTunes Metadata name box */
#define ATOM_DATA 150 /* iTunes Metadata data box */
#define ATOM_CTTS 151
#define ATOM_FRMA 152
#define ATOM_IVIV 153
#define ATOM_PRIV 154
#define ATOM_UNKNOWN 255
#define ATOM_FREE ATOM_UNKNOWN
#define ATOM_SKIP ATOM_UNKNOWN
/* atoms with subatoms */
#define ATOM_MOOV 1
#define ATOM_TRAK 2
#define ATOM_EDTS 3
#define ATOM_MDIA 4
#define ATOM_MINF 5
#define ATOM_STBL 6
#define ATOM_UDTA 7
#define ATOM_ILST 8 /* iTunes Metadata list */
#define ATOM_TITLE 9
#define ATOM_ARTIST 10
#define ATOM_WRITER 11
#define ATOM_ALBUM 12
#define ATOM_DATE 13
#define ATOM_TOOL 14
#define ATOM_COMMENT 15
#define ATOM_GENRE1 16
#define ATOM_TRACK 17
#define ATOM_DISC 18
#define ATOM_COMPILATION 19
#define ATOM_GENRE2 20
#define ATOM_TEMPO 21
#define ATOM_COVER 22
#define ATOM_DRMS 23
#define ATOM_SINF 24
#define ATOM_SCHI 25
#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif
#ifndef _WIN32
#define stricmp strcasecmp
#endif
/* file callback structure */
typedef struct
{
uint32_t (*read)(void *user_data, void *buffer, uint32_t length);
uint32_t (*write)(void *udata, void *buffer, uint32_t length);
uint32_t (*seek)(void *user_data, uint64_t position);
uint32_t (*truncate)(void *user_data);
void *user_data;
} mp4ff_callback_t;
/* metadata tag structure */
typedef struct
{
char *item;
char *value;
} mp4ff_tag_t;
/* metadata list structure */
typedef struct
{
mp4ff_tag_t *tags;
uint32_t count;
} mp4ff_metadata_t;
typedef struct
{
int32_t type;
int32_t channelCount;
int32_t sampleSize;
uint16_t sampleRate;
int32_t audioType;
/* stsd */
int32_t stsd_entry_count;
/* stsz */
int32_t stsz_sample_size;
int32_t stsz_sample_count;
int32_t *stsz_table;
/* stts */
int32_t stts_entry_count;
int32_t *stts_sample_count;
int32_t *stts_sample_delta;
/* stsc */
int32_t stsc_entry_count;
int32_t *stsc_first_chunk;
int32_t *stsc_samples_per_chunk;
int32_t *stsc_sample_desc_index;
/* stsc */
int32_t stco_entry_count;
int32_t *stco_chunk_offset;
/* ctts */
int32_t ctts_entry_count;
int32_t *ctts_sample_count;
int32_t *ctts_sample_offset;
/* esde */
uint8_t *decoderConfig;
int32_t decoderConfigLen;
uint32_t maxBitrate;
uint32_t avgBitrate;
uint32_t timeScale;
uint64_t duration;
#ifdef ITUNES_DRM
/* drms */
void *p_drms;
#endif
} mp4ff_track_t;
/* mp4 main file structure */
typedef struct
{
/* stream to read from */
mp4ff_callback_t *stream;
int64_t current_position;
int32_t moov_read;
uint64_t moov_offset;
uint64_t moov_size;
uint8_t last_atom;
uint64_t file_size;
/* mvhd */
int32_t time_scale;
int32_t duration;
/* incremental track index while reading the file */
int32_t total_tracks;
/* track data */
mp4ff_track_t *track[MAX_TRACKS];
/* metadata */
mp4ff_metadata_t tags;
} mp4ff_t;
/* mp4util.c */
int32_t mp4ff_read_data(mp4ff_t *f, int8_t *data, uint32_t size);
int32_t mp4ff_write_data(mp4ff_t *f, int8_t *data, uint32_t size);
uint64_t mp4ff_read_int64(mp4ff_t *f);
uint32_t mp4ff_read_int32(mp4ff_t *f);
uint32_t mp4ff_read_int24(mp4ff_t *f);
uint16_t mp4ff_read_int16(mp4ff_t *f);
uint8_t mp4ff_read_char(mp4ff_t *f);
int32_t mp4ff_write_int32(mp4ff_t *f,const uint32_t data);
uint32_t mp4ff_read_mp4_descr_length(mp4ff_t *f);
int64_t mp4ff_position(const mp4ff_t *f);
int32_t mp4ff_set_position(mp4ff_t *f, const int64_t position);
int32_t mp4ff_truncate(mp4ff_t * f);
char * mp4ff_read_string(mp4ff_t * f,uint32_t length);
/* mp4atom.c */
static int32_t mp4ff_atom_get_size(const int8_t *data);
static int32_t mp4ff_atom_compare(const int8_t a1, const int8_t b1, const int8_t c1, const int8_t d1,
const int8_t a2, const int8_t b2, const int8_t c2, const int8_t d2);
static uint8_t mp4ff_atom_name_to_type(const int8_t a, const int8_t b, const int8_t c, const int8_t d);
uint64_t mp4ff_atom_read_header(mp4ff_t *f, uint8_t *atom_type, uint8_t *header_size);
static int32_t mp4ff_read_stsz(mp4ff_t *f);
static int32_t mp4ff_read_esds(mp4ff_t *f);
static int32_t mp4ff_read_mp4a(mp4ff_t *f);
static int32_t mp4ff_read_stsd(mp4ff_t *f);
static int32_t mp4ff_read_stsc(mp4ff_t *f);
static int32_t mp4ff_read_stco(mp4ff_t *f);
static int32_t mp4ff_read_stts(mp4ff_t *f);
#ifdef USE_TAGGING
static int32_t mp4ff_read_meta(mp4ff_t *f, const uint64_t size);
#endif
int32_t mp4ff_atom_read(mp4ff_t *f, const int32_t size, const uint8_t atom_type);
/* mp4sample.c */
static int32_t mp4ff_chunk_of_sample(const mp4ff_t *f, const int32_t track, const int32_t sample,
int32_t *chunk_sample, int32_t *chunk);
static int32_t mp4ff_chunk_to_offset(const mp4ff_t *f, const int32_t track, const int32_t chunk);
static int32_t mp4ff_sample_range_size(const mp4ff_t *f, const int32_t track,
const int32_t chunk_sample, const int32_t sample);
static int32_t mp4ff_sample_to_offset(const mp4ff_t *f, const int32_t track, const int32_t sample);
int32_t mp4ff_audio_frame_size(const mp4ff_t *f, const int32_t track, const int32_t sample);
int32_t mp4ff_set_sample_position(mp4ff_t *f, const int32_t track, const int32_t sample);
#ifdef USE_TAGGING
/* mp4meta.c */
static int32_t mp4ff_tag_add_field(mp4ff_metadata_t *tags, const char *item, const char *value);
static int32_t mp4ff_tag_set_field(mp4ff_metadata_t *tags, const char *item, const char *value);
static int32_t mp4ff_set_metadata_name(mp4ff_t *f, const uint8_t atom_type, char **name);
static int32_t mp4ff_parse_tag(mp4ff_t *f, const uint8_t parent_atom_type, const int32_t size);
static int32_t mp4ff_meta_find_by_name(const mp4ff_t *f, const char *item, char **value);
int32_t mp4ff_parse_metadata(mp4ff_t *f, const int32_t size);
int32_t mp4ff_tag_delete(mp4ff_metadata_t *tags);
int32_t mp4ff_meta_get_num_items(const mp4ff_t *f);
int32_t mp4ff_meta_get_by_index(const mp4ff_t *f, uint32_t index,
char **item, char **value);
int32_t mp4ff_meta_get_title(const mp4ff_t *f, char **value);
int32_t mp4ff_meta_get_artist(const mp4ff_t *f, char **value);
int32_t mp4ff_meta_get_writer(const mp4ff_t *f, char **value);
int32_t mp4ff_meta_get_album(const mp4ff_t *f, char **value);
int32_t mp4ff_meta_get_date(const mp4ff_t *f, char **value);
int32_t mp4ff_meta_get_tool(const mp4ff_t *f, char **value);
int32_t mp4ff_meta_get_comment(const mp4ff_t *f, char **value);
int32_t mp4ff_meta_get_genre(const mp4ff_t *f, char **value);
int32_t mp4ff_meta_get_track(const mp4ff_t *f, char **value);
int32_t mp4ff_meta_get_disc(const mp4ff_t *f, char **value);
int32_t mp4ff_meta_get_compilation(const mp4ff_t *f, char **value);
int32_t mp4ff_meta_get_tempo(const mp4ff_t *f, char **value);
int32_t mp4ff_meta_get_coverart(const mp4ff_t *f, char **value);
#endif
/* mp4ff.c */
mp4ff_t *mp4ff_open_read(mp4ff_callback_t *f);
#ifdef USE_TAGGING
mp4ff_t *mp4ff_open_edit(mp4ff_callback_t *f);
#endif
void mp4ff_close(mp4ff_t *ff);
/*void mp4ff_track_add(mp4ff_t *f);*/
int32_t parse_sub_atoms(mp4ff_t *f, const uint64_t total_size);
int32_t parse_atoms(mp4ff_t *f);
int32_t mp4ff_get_sample_duration(const mp4ff_t *f, const int32_t track, const int32_t sample);
int64_t mp4ff_get_sample_position(const mp4ff_t *f, const int32_t track, const int32_t sample);
int32_t mp4ff_get_sample_offset(const mp4ff_t *f, const int32_t track, const int32_t sample);
int32_t mp4ff_find_sample(const mp4ff_t *f, const int32_t track, const int64_t offset,int32_t * toskip);
int32_t mp4ff_read_sample(mp4ff_t *f, const int32_t track, const int32_t sample,
uint8_t **audio_buffer, uint32_t *bytes);
int32_t mp4ff_get_decoder_config(const mp4ff_t *f, const int32_t track,
uint8_t** ppBuf, uint32_t* pBufSize);
int32_t mp4ff_total_tracks(const mp4ff_t *f);
int32_t mp4ff_time_scale(const mp4ff_t *f, const int32_t track);
int32_t mp4ff_num_samples(const mp4ff_t *f, const int32_t track);
uint32_t mp4ff_meta_genre_to_index(const char * genrestr);//returns 1-based index, 0 if not found
const char * mp4ff_meta_index_to_genre(uint32_t idx);//returns pointer to static string
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif

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/*
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
**
** 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 02111-1307, USA.
**
** Any non-GPL usage of this software or parts of this software is strictly
** forbidden.
**
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
** $Id: mp4meta.c,v 1.13 2004/01/11 15:52:18 menno Exp $
**/
#ifdef USE_TAGGING
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "mp4ffint.h"
static int32_t mp4ff_tag_add_field(mp4ff_metadata_t *tags, const char *item, const char *value)
{
void *backup = (void *)tags->tags;
if (!item || (item && !*item) || !value) return 0;
tags->tags = (mp4ff_tag_t*)realloc(tags->tags, (tags->count+1) * sizeof(mp4ff_tag_t));
if (!tags->tags)
{
if (backup) free(backup);
return 0;
} else {
tags->tags[tags->count].item = strdup(item);
tags->tags[tags->count].value = strdup(value);
if (!tags->tags[tags->count].item || !tags->tags[tags->count].value)
{
if (!tags->tags[tags->count].item) free (tags->tags[tags->count].item);
if (!tags->tags[tags->count].value) free (tags->tags[tags->count].value);
tags->tags[tags->count].item = NULL;
tags->tags[tags->count].value = NULL;
return 0;
}
tags->count++;
return 1;
}
}
static int32_t mp4ff_tag_set_field(mp4ff_metadata_t *tags, const char *item, const char *value)
{
unsigned int i;
if (!item || (item && !*item) || !value) return 0;
for (i = 0; i < tags->count; i++)
{
if (!stricmp(tags->tags[i].item, item))
{
free(tags->tags[i].value);
tags->tags[i].value = strdup(value);
return 1;
}
}
return mp4ff_tag_add_field(tags, item, value);
}
int32_t mp4ff_tag_delete(mp4ff_metadata_t *tags)
{
uint32_t i;
for (i = 0; i < tags->count; i++)
{
if (tags->tags[i].item) free(tags->tags[i].item);
if (tags->tags[i].value) free(tags->tags[i].value);
}
if (tags->tags) free(tags->tags);
tags->tags = NULL;
tags->count = 0;
return 0;
}
static const char* ID3v1GenreList[] = {
"Blues", "Classic Rock", "Country", "Dance", "Disco", "Funk",
"Grunge", "Hip-Hop", "Jazz", "Metal", "New Age", "Oldies",
"Other", "Pop", "R&B", "Rap", "Reggae", "Rock",
"Techno", "Industrial", "Alternative", "Ska", "Death Metal", "Pranks",
"Soundtrack", "Euro-Techno", "Ambient", "Trip-Hop", "Vocal", "Jazz+Funk",
"Fusion", "Trance", "Classical", "Instrumental", "Acid", "House",
"Game", "Sound Clip", "Gospel", "Noise", "AlternRock", "Bass",
"Soul", "Punk", "Space", "Meditative", "Instrumental Pop", "Instrumental Rock",
"Ethnic", "Gothic", "Darkwave", "Techno-Industrial", "Electronic", "Pop-Folk",
"Eurodance", "Dream", "Southern Rock", "Comedy", "Cult", "Gangsta",
"Top 40", "Christian Rap", "Pop/Funk", "Jungle", "Native American", "Cabaret",
"New Wave", "Psychadelic", "Rave", "Showtunes", "Trailer", "Lo-Fi",
"Tribal", "Acid Punk", "Acid Jazz", "Polka", "Retro", "Musical",
"Rock & Roll", "Hard Rock", "Folk", "Folk/Rock", "National Folk", "Swing",
"Fast-Fusion", "Bebob", "Latin", "Revival", "Celtic", "Bluegrass", "Avantgarde",
"Gothic Rock", "Progressive Rock", "Psychedelic Rock", "Symphonic Rock", "Slow Rock", "Big Band",
"Chorus", "Easy Listening", "Acoustic", "Humour", "Speech", "Chanson",
"Opera", "Chamber Music", "Sonata", "Symphony", "Booty Bass", "Primus",
"Porn Groove", "Satire", "Slow Jam", "Club", "Tango", "Samba",
"Folklore", "Ballad", "Power Ballad", "Rhythmic Soul", "Freestyle", "Duet",
"Punk Rock", "Drum Solo", "A capella", "Euro-House", "Dance Hall",
"Goa", "Drum & Bass", "Club House", "Hardcore", "Terror",
"Indie", "BritPop", "NegerPunk", "Polsk Punk", "Beat",
"Christian Gangsta", "Heavy Metal", "Black Metal", "Crossover", "Contemporary C",
"Christian Rock", "Merengue", "Salsa", "Thrash Metal", "Anime", "JPop",
"SynthPop",
};
uint32_t mp4ff_meta_genre_to_index(const char * genrestr)
{
unsigned n;
for(n=0;n<sizeof(ID3v1GenreList)/sizeof(ID3v1GenreList[0]);n++)
{
if (!stricmp(genrestr,ID3v1GenreList[n])) return n+1;
}
return 0;
}
const char * mp4ff_meta_index_to_genre(uint32_t idx)
{
if (idx>0 && idx<=sizeof(ID3v1GenreList)/sizeof(ID3v1GenreList[0]))
{
return ID3v1GenreList[idx-1];
}
else
{
return 0;
}
}
static int32_t TrackToString(char** str, const uint16_t track, const uint16_t totalTracks)
{
char temp[32];
sprintf(temp, "%.5u of %.5u", track, totalTracks);
*str = strdup(temp);
return 0;
}
static int32_t mp4ff_set_metadata_name(mp4ff_t *f, const uint8_t atom_type, char **name)
{
static char *tag_names[] = {
"unknown", "title", "artist", "writer", "album",
"date", "tool", "comment", "genre", "track",
"disc", "compilation", "genre", "tempo", "cover"
};
uint8_t tag_idx = 0;
switch (atom_type)
{
case ATOM_TITLE: tag_idx = 1; break;
case ATOM_ARTIST: tag_idx = 2; break;
case ATOM_WRITER: tag_idx = 3; break;
case ATOM_ALBUM: tag_idx = 4; break;
case ATOM_DATE: tag_idx = 5; break;
case ATOM_TOOL: tag_idx = 6; break;
case ATOM_COMMENT: tag_idx = 7; break;
case ATOM_GENRE1: tag_idx = 8; break;
case ATOM_TRACK: tag_idx = 9; break;
case ATOM_DISC: tag_idx = 10; break;
case ATOM_COMPILATION: tag_idx = 11; break;
case ATOM_GENRE2: tag_idx = 12; break;
case ATOM_TEMPO: tag_idx = 13; break;
case ATOM_COVER: tag_idx = 14; break;
default: tag_idx = 0; break;
}
*name = strdup(tag_names[tag_idx]);
return 0;
}
static int32_t mp4ff_parse_tag(mp4ff_t *f, const uint8_t parent_atom_type, const int32_t size)
{
uint8_t atom_type;
uint8_t header_size = 0;
uint64_t subsize, sumsize = 0;
char * name = NULL;
char * data = NULL;
uint32_t done = 0;
while (sumsize < size)
{
uint64_t destpos;
subsize = mp4ff_atom_read_header(f, &atom_type, &header_size);
destpos = mp4ff_position(f)+subsize-header_size;
if (!done)
{
if (atom_type == ATOM_DATA)
{
mp4ff_read_char(f); /* version */
mp4ff_read_int24(f); /* flags */
mp4ff_read_int32(f); /* reserved */
/* some need special attention */
if (parent_atom_type == ATOM_GENRE2 || parent_atom_type == ATOM_TEMPO)
{
if (subsize - header_size >= 8 + 2)
{
uint16_t val = mp4ff_read_int16(f);
if (parent_atom_type == ATOM_TEMPO)
{
char temp[16];
sprintf(temp, "%.5u BPM", val);
mp4ff_tag_add_field(&(f->tags), "tempo", temp);
}
else
{
const char * temp = mp4ff_meta_index_to_genre(val);
if (temp)
{
mp4ff_tag_add_field(&(f->tags), "genre", temp);
}
}
done = 1;
}
} else if (parent_atom_type == ATOM_TRACK || parent_atom_type == ATOM_DISC) {
if (!done && subsize - header_size >= 8 + 8)
{
uint16_t index,total;
char temp[32];
mp4ff_read_int16(f);
index = mp4ff_read_int16(f);
total = mp4ff_read_int16(f);
mp4ff_read_int16(f);
sprintf(temp,"%d",index);
mp4ff_tag_add_field(&(f->tags), parent_atom_type == ATOM_TRACK ? "track" : "disc", temp);
if (total>0)
{
sprintf(temp,"%d",total);
mp4ff_tag_add_field(&(f->tags), parent_atom_type == ATOM_TRACK ? "totaltracks" : "totaldiscs", temp);
}
done = 1;
}
} else
{
if (data) {free(data);data = NULL;}
data = mp4ff_read_string(f,(uint32_t)(subsize-(header_size+8)));
}
} else if (atom_type == ATOM_NAME) {
if (!done)
{
mp4ff_read_char(f); /* version */
mp4ff_read_int24(f); /* flags */
if (name) free(name);
name = mp4ff_read_string(f,(uint32_t)(subsize-(header_size+4)));
}
}
mp4ff_set_position(f, destpos);
sumsize += subsize;
}
}
if (data)
{
if (!done)
{
if (name == NULL) mp4ff_set_metadata_name(f, parent_atom_type, &name);
if (name) mp4ff_tag_add_field(&(f->tags), name, data);
}
free(data);
}
if (name) free(name);
return 1;
}
int32_t mp4ff_parse_metadata(mp4ff_t *f, const int32_t size)
{
uint64_t subsize, sumsize = 0;
uint8_t atom_type;
uint8_t header_size = 0;
while (sumsize < size)
{
subsize = mp4ff_atom_read_header(f, &atom_type, &header_size);
mp4ff_parse_tag(f, atom_type, (uint32_t)(subsize-header_size));
sumsize += subsize;
}
return 0;
}
/* find a metadata item by name */
/* returns 0 if item found, 1 if no such item */
static int32_t mp4ff_meta_find_by_name(const mp4ff_t *f, const char *item, char **value)
{
uint32_t i;
for (i = 0; i < f->tags.count; i++)
{
if (!stricmp(f->tags.tags[i].item, item))
{
*value = strdup(f->tags.tags[i].value);
return 1;
}
}
*value = NULL;
/* not found */
return 0;
}
int32_t mp4ff_meta_get_num_items(const mp4ff_t *f)
{
return f->tags.count;
}
int32_t mp4ff_meta_get_by_index(const mp4ff_t *f, uint32_t index,
char **item, char **value)
{
if (index >= f->tags.count)
{
*item = NULL;
*value = NULL;
return 0;
} else {
*item = strdup(f->tags.tags[index].item);
*value = strdup(f->tags.tags[index].value);
return 1;
}
}
int32_t mp4ff_meta_get_title(const mp4ff_t *f, char **value)
{
return mp4ff_meta_find_by_name(f, "title", value);
}
int32_t mp4ff_meta_get_artist(const mp4ff_t *f, char **value)
{
return mp4ff_meta_find_by_name(f, "artist", value);
}
int32_t mp4ff_meta_get_writer(const mp4ff_t *f, char **value)
{
return mp4ff_meta_find_by_name(f, "writer", value);
}
int32_t mp4ff_meta_get_album(const mp4ff_t *f, char **value)
{
return mp4ff_meta_find_by_name(f, "album", value);
}
int32_t mp4ff_meta_get_date(const mp4ff_t *f, char **value)
{
return mp4ff_meta_find_by_name(f, "date", value);
}
int32_t mp4ff_meta_get_tool(const mp4ff_t *f, char **value)
{
return mp4ff_meta_find_by_name(f, "tool", value);
}
int32_t mp4ff_meta_get_comment(const mp4ff_t *f, char **value)
{
return mp4ff_meta_find_by_name(f, "comment", value);
}
int32_t mp4ff_meta_get_genre(const mp4ff_t *f, char **value)
{
return mp4ff_meta_find_by_name(f, "genre", value);
}
int32_t mp4ff_meta_get_track(const mp4ff_t *f, char **value)
{
return mp4ff_meta_find_by_name(f, "track", value);
}
int32_t mp4ff_meta_get_disc(const mp4ff_t *f, char **value)
{
return mp4ff_meta_find_by_name(f, "disc", value);
}
int32_t mp4ff_meta_get_compilation(const mp4ff_t *f, char **value)
{
return mp4ff_meta_find_by_name(f, "compilation", value);
}
int32_t mp4ff_meta_get_tempo(const mp4ff_t *f, char **value)
{
return mp4ff_meta_find_by_name(f, "tempo", value);
}
int32_t mp4ff_meta_get_coverart(const mp4ff_t *f, char **value)
{
return mp4ff_meta_find_by_name(f, "cover", value);
}
#endif

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/*
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
**
** 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 02111-1307, USA.
**
** Any non-GPL usage of this software or parts of this software is strictly
** forbidden.
**
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
** $Id: mp4sample.c,v 1.15 2004/01/11 15:52:19 menno Exp $
**/
#include <stdlib.h>
#include "mp4ffint.h"
static int32_t mp4ff_chunk_of_sample(const mp4ff_t *f, const int32_t track, const int32_t sample,
int32_t *chunk_sample, int32_t *chunk)
{
int32_t total_entries = 0;
int32_t chunk2entry;
int32_t chunk1, chunk2, chunk1samples, range_samples, total = 0;
if (f->track[track] == NULL)
{
return -1;
}
total_entries = f->track[track]->stsc_entry_count;
chunk1 = 1;
chunk1samples = 0;
chunk2entry = 0;
do
{
chunk2 = f->track[track]->stsc_first_chunk[chunk2entry];
*chunk = chunk2 - chunk1;
range_samples = *chunk * chunk1samples;
if (sample < total + range_samples) break;
chunk1samples = f->track[track]->stsc_samples_per_chunk[chunk2entry];
chunk1 = chunk2;
if(chunk2entry < total_entries)
{
chunk2entry++;
total += range_samples;
}
} while (chunk2entry < total_entries);
if (chunk1samples)
*chunk = (sample - total) / chunk1samples + chunk1;
else
*chunk = 1;
*chunk_sample = total + (*chunk - chunk1) * chunk1samples;
return 0;
}
static int32_t mp4ff_chunk_to_offset(const mp4ff_t *f, const int32_t track, const int32_t chunk)
{
const mp4ff_track_t * p_track = f->track[track];
if (p_track->stco_entry_count && (chunk > p_track->stco_entry_count))
{
return p_track->stco_chunk_offset[p_track->stco_entry_count - 1];
} else if (p_track->stco_entry_count) {
return p_track->stco_chunk_offset[chunk - 1];
} else {
return 8;
}
return 0;
}
static int32_t mp4ff_sample_range_size(const mp4ff_t *f, const int32_t track,
const int32_t chunk_sample, const int32_t sample)
{
int32_t i, total;
const mp4ff_track_t * p_track = f->track[track];
if (p_track->stsz_sample_size)
{
return (sample - chunk_sample) * p_track->stsz_sample_size;
}
else
{
if (sample>=p_track->stsz_sample_count) return 0;//error
for(i = chunk_sample, total = 0; i < sample; i++)
{
total += p_track->stsz_table[i];
}
}
return total;
}
static int32_t mp4ff_sample_to_offset(const mp4ff_t *f, const int32_t track, const int32_t sample)
{
int32_t chunk, chunk_sample, chunk_offset1, chunk_offset2;
mp4ff_chunk_of_sample(f, track, sample, &chunk_sample, &chunk);
chunk_offset1 = mp4ff_chunk_to_offset(f, track, chunk);
chunk_offset2 = chunk_offset1 + mp4ff_sample_range_size(f, track, chunk_sample, sample);
return chunk_offset2;
}
int32_t mp4ff_audio_frame_size(const mp4ff_t *f, const int32_t track, const int32_t sample)
{
int32_t bytes;
const mp4ff_track_t * p_track = f->track[track];
if (p_track->stsz_sample_size)
{
bytes = p_track->stsz_sample_size;
} else {
bytes = p_track->stsz_table[sample];
}
return bytes;
}
int32_t mp4ff_set_sample_position(mp4ff_t *f, const int32_t track, const int32_t sample)
{
int32_t offset;
offset = mp4ff_sample_to_offset(f, track, sample);
mp4ff_set_position(f, offset);
return 0;
}

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#include <stdlib.h>
#include <string.h>
#include "mp4ffint.h"
#ifdef USE_TAGGING
static uint32_t fix_byte_order_32(uint32_t src)
{
uint32_t result;
uint32_t a, b, c, d;
int8_t data[4];
memcpy(data,&src,sizeof(src));
a = (uint8_t)data[0];
b = (uint8_t)data[1];
c = (uint8_t)data[2];
d = (uint8_t)data[3];
result = (a<<24) | (b<<16) | (c<<8) | d;
return (uint32_t)result;
}
static uint16_t fix_byte_order_16(uint16_t src)
{
uint16_t result;
uint16_t a, b;
int8_t data[2];
memcpy(data,&src,sizeof(src));
a = (uint8_t)data[0];
b = (uint8_t)data[1];
result = (a<<8) | b;
return (uint16_t)result;
}
typedef struct
{
void * data;
unsigned written;
unsigned allocated;
unsigned error;
} membuffer;
unsigned membuffer_write(membuffer * buf,const void * ptr,unsigned bytes)
{
unsigned dest_size = buf->written + bytes;
if (buf->error) return 0;
if (dest_size > buf->allocated)
{
do
{
buf->allocated <<= 1;
} while(dest_size > buf->allocated);
{
void * newptr = realloc(buf->data,buf->allocated);
if (newptr==0)
{
free(buf->data);
buf->data = 0;
buf->error = 1;
return 0;
}
buf->data = newptr;
}
}
if (ptr) memcpy((char*)buf->data + buf->written,ptr,bytes);
buf->written += bytes;
return bytes;
}
#define membuffer_write_data membuffer_write
unsigned membuffer_write_int32(membuffer * buf,uint32_t data)
{
uint8_t temp[4] = {(uint8_t)(data>>24),(uint8_t)(data>>16),(uint8_t)(data>>8),(uint8_t)data};
return membuffer_write_data(buf,temp,4);
}
unsigned membuffer_write_int24(membuffer * buf,uint32_t data)
{
uint8_t temp[3] = {(uint8_t)(data>>16),(uint8_t)(data>>8),(uint8_t)data};
return membuffer_write_data(buf,temp,3);
}
unsigned membuffer_write_int16(membuffer * buf,uint16_t data)
{
uint8_t temp[2] = {(uint8_t)(data>>8),(uint8_t)data};
return membuffer_write_data(buf,temp,2);
}
unsigned membuffer_write_atom_name(membuffer * buf,const char * data)
{
return membuffer_write_data(buf,data,4)==4 ? 1 : 0;
}
void membuffer_write_atom(membuffer * buf,const char * name,unsigned size,const void * data)
{
membuffer_write_int32(buf,size + 8);
membuffer_write_atom_name(buf,name);
membuffer_write_data(buf,data,size);
}
unsigned membuffer_write_string(membuffer * buf,const char * data)
{
return membuffer_write_data(buf,data,strlen(data));
}
unsigned membuffer_write_int8(membuffer * buf,uint8_t data)
{
return membuffer_write_data(buf,&data,1);
}
void * membuffer_get_ptr(const membuffer * buf)
{
return buf->data;
}
unsigned membuffer_get_size(const membuffer * buf)
{
return buf->written;
}
unsigned membuffer_error(const membuffer * buf)
{
return buf->error;
}
void membuffer_set_error(membuffer * buf) {buf->error = 1;}
unsigned membuffer_transfer_from_file(membuffer * buf,mp4ff_t * src,unsigned bytes)
{
unsigned oldsize;
void * bufptr;
oldsize = membuffer_get_size(buf);
if (membuffer_write_data(buf,0,bytes) != bytes) return 0;
bufptr = membuffer_get_ptr(buf);
if (bufptr==0) return 0;
if ((unsigned)mp4ff_read_data(src,(char*)bufptr + oldsize,bytes)!=bytes)
{
membuffer_set_error(buf);
return 0;
}
return bytes;
}
membuffer * membuffer_create()
{
const unsigned initial_size = 256;
membuffer * buf = (membuffer *) malloc(sizeof(membuffer));
buf->data = malloc(initial_size);
buf->written = 0;
buf->allocated = initial_size;
buf->error = buf->data == 0 ? 1 : 0;
return buf;
}
void membuffer_free(membuffer * buf)
{
if (buf->data) free(buf->data);
free(buf);
}
void * membuffer_detach(membuffer * buf)
{
void * ret;
if (buf->error) return 0;
ret = realloc(buf->data,buf->written);
if (ret == 0) free(buf->data);
buf->data = 0;
buf->error = 1;
return ret;
}
#if 0
/* metadata tag structure */
typedef struct
{
char *item;
char *value;
} mp4ff_tag_t;
/* metadata list structure */
typedef struct
{
mp4ff_tag_t *tags;
uint32_t count;
} mp4ff_metadata_t;
#endif
typedef struct
{
const char * atom;
const char * name;
} stdmeta_entry;
static stdmeta_entry stdmetas[] =
{
{"©nam","title"},
{"©ART","artist"},
{"©wrt","writer"},
{"©alb","album"},
{"©day","date"},
{"©too","tool"},
{"©cmt","comment"},
// {"©gen","genre"},
{"cpil","compilation"},
// {"trkn","track"},
// {"disk","disc"},
// {"gnre","genre"},
{"covr","cover"},
};
static const char* find_standard_meta(const char * name) //returns atom name if found, 0 if not
{
unsigned n;
for(n=0;n<sizeof(stdmetas)/sizeof(stdmetas[0]);n++)
{
if (!stricmp(name,stdmetas[n].name)) return stdmetas[n].atom;
}
return 0;
}
static void membuffer_write_track_tag(membuffer * buf,const char * name,uint32_t index,uint32_t total)
{
membuffer_write_int32(buf,8 /*atom header*/ + 8 /*data atom header*/ + 8 /*flags + reserved*/ + 8 /*actual data*/ );
membuffer_write_atom_name(buf,name);
membuffer_write_int32(buf,8 /*data atom header*/ + 8 /*flags + reserved*/ + 8 /*actual data*/ );
membuffer_write_atom_name(buf,"data");
membuffer_write_int32(buf,0);//flags
membuffer_write_int32(buf,0);//reserved
membuffer_write_int16(buf,0);
membuffer_write_int16(buf,(uint16_t)index);//track number
membuffer_write_int16(buf,(uint16_t)total);//total tracks
membuffer_write_int16(buf,0);
}
static void membuffer_write_int16_tag(membuffer * buf,const char * name,uint16_t value)
{
membuffer_write_int32(buf,8 /*atom header*/ + 8 /*data atom header*/ + 8 /*flags + reserved*/ + 2 /*actual data*/ );
membuffer_write_atom_name(buf,name);
membuffer_write_int32(buf,8 /*data atom header*/ + 8 /*flags + reserved*/ + 2 /*actual data*/ );
membuffer_write_atom_name(buf,"data");
membuffer_write_int32(buf,0);//flags
membuffer_write_int32(buf,0);//reserved
membuffer_write_int16(buf,value);//value
}
static void membuffer_write_std_tag(membuffer * buf,const char * name,const char * value)
{
membuffer_write_int32(buf,8 /*atom header*/ + 8 /*data atom header*/ + 8 /*flags + reserved*/ + strlen(value) );
membuffer_write_atom_name(buf,name);
membuffer_write_int32(buf,8 /*data atom header*/ + 8 /*flags + reserved*/ + strlen(value));
membuffer_write_atom_name(buf,"data");
membuffer_write_int32(buf,1);//flags
membuffer_write_int32(buf,0);//reserved
membuffer_write_data(buf,value,strlen(value));
}
static void membuffer_write_custom_tag(membuffer * buf,const char * name,const char * value)
{
membuffer_write_int32(buf,8 /*atom header*/ + 0x1C /*weirdo itunes atom*/ + 12 /*name atom header*/ + strlen(name) + 16 /*data atom header + flags*/ + strlen(value) );
membuffer_write_atom_name(buf,"----");
membuffer_write_int32(buf,0x1C);//weirdo itunes atom
membuffer_write_atom_name(buf,"mean");
membuffer_write_int32(buf,0);
membuffer_write_data(buf,"com.apple.iTunes",16);
membuffer_write_int32(buf,12 + strlen(name));
membuffer_write_atom_name(buf,"name");
membuffer_write_int32(buf,0);
membuffer_write_data(buf,name,strlen(name));
membuffer_write_int32(buf,8 /*data atom header*/ + 8 /*flags + reserved*/ + strlen(value));
membuffer_write_atom_name(buf,"data");
membuffer_write_int32(buf,1);//flags
membuffer_write_int32(buf,0);//reserved
membuffer_write_data(buf,value,strlen(value));
}
static uint32_t myatoi(const char * param)
{
return param ? atoi(param) : 0;
}
static uint32_t create_ilst(const mp4ff_metadata_t * data,void ** out_buffer,uint32_t * out_size)
{
membuffer * buf = membuffer_create();
unsigned metaptr;
char * mask = (char*)malloc(data->count);
memset(mask,0,data->count);
{
const char * tracknumber_ptr = 0, * totaltracks_ptr = 0;
const char * discnumber_ptr = 0, * totaldiscs_ptr = 0;
const char * genre_ptr = 0, * tempo_ptr = 0;
for(metaptr = 0; metaptr < data->count; metaptr++)
{
mp4ff_tag_t * tag = &data->tags[metaptr];
if (!stricmp(tag->item,"tracknumber") || !stricmp(tag->item,"track"))
{
if (tracknumber_ptr==0) tracknumber_ptr = tag->value;
mask[metaptr] = 1;
}
else if (!stricmp(tag->item,"totaltracks"))
{
if (totaltracks_ptr==0) totaltracks_ptr = tag->value;
mask[metaptr] = 1;
}
else if (!stricmp(tag->item,"discnumber") || !stricmp(tag->item,"disc"))
{
if (discnumber_ptr==0) discnumber_ptr = tag->value;
mask[metaptr] = 1;
}
else if (!stricmp(tag->item,"totaldiscs"))
{
if (totaldiscs_ptr==0) totaldiscs_ptr = tag->value;
mask[metaptr] = 1;
}
else if (!stricmp(tag->item,"genre"))
{
if (genre_ptr==0) genre_ptr = tag->value;
mask[metaptr] = 1;
}
else if (!stricmp(tag->item,"tempo"))
{
if (tempo_ptr==0) tempo_ptr = tag->value;
mask[metaptr] = 1;
}
}
if (tracknumber_ptr) membuffer_write_track_tag(buf,"trkn",myatoi(tracknumber_ptr),myatoi(totaltracks_ptr));
if (discnumber_ptr) membuffer_write_track_tag(buf,"disk",myatoi(discnumber_ptr),myatoi(totaldiscs_ptr));
if (tempo_ptr) membuffer_write_int16_tag(buf,"tmpo",(uint16_t)myatoi(tempo_ptr));
if (genre_ptr)
{
uint32_t index = mp4ff_meta_genre_to_index(genre_ptr);
if (index==0)
membuffer_write_std_tag(buf,"©gen",genre_ptr);
else
membuffer_write_int16_tag(buf,"gnre",(uint16_t)index);
}
}
for(metaptr = 0; metaptr < data->count; metaptr++)
{
if (!mask[metaptr])
{
mp4ff_tag_t * tag = &data->tags[metaptr];
const char * std_meta_atom = find_standard_meta(tag->item);
if (std_meta_atom)
{
membuffer_write_std_tag(buf,std_meta_atom,tag->value);
}
else
{
membuffer_write_custom_tag(buf,tag->item,tag->value);
}
}
}
free(mask);
if (membuffer_error(buf))
{
membuffer_free(buf);
return 0;
}
*out_size = membuffer_get_size(buf);
*out_buffer = membuffer_detach(buf);
membuffer_free(buf);
return 1;
}
static uint32_t find_atom(mp4ff_t * f,uint64_t base,uint32_t size,const char * name)
{
uint32_t remaining = size;
uint64_t atom_offset = base;
for(;;)
{
char atom_name[4];
uint32_t atom_size;
mp4ff_set_position(f,atom_offset);
if (remaining < 8) break;
atom_size = mp4ff_read_int32(f);
if (atom_size > remaining || atom_size < 8) break;
mp4ff_read_data(f,atom_name,4);
if (!memcmp(atom_name,name,4))
{
mp4ff_set_position(f,atom_offset);
return 1;
}
remaining -= atom_size;
atom_offset += atom_size;
}
return 0;
}
static uint32_t find_atom_v2(mp4ff_t * f,uint64_t base,uint32_t size,const char * name,uint32_t extraheaders,const char * name_inside)
{
uint64_t first_base = (uint64_t)(-1);
while(find_atom(f,base,size,name))//try to find atom <name> with atom <name_inside> in it
{
uint64_t mybase = mp4ff_position(f);
uint32_t mysize = mp4ff_read_int32(f);
if (first_base == (uint64_t)(-1)) first_base = mybase;
if (mysize < 8 + extraheaders) break;
if (find_atom(f,mybase+(8+extraheaders),mysize-(8+extraheaders),name_inside))
{
mp4ff_set_position(f,mybase);
return 2;
}
base += mysize;
if (size<=mysize) {size=0;break;}
size -= mysize;
}
if (first_base != (uint64_t)(-1))//wanted atom inside not found
{
mp4ff_set_position(f,first_base);
return 1;
}
else return 0;
}
static uint32_t create_meta(const mp4ff_metadata_t * data,void ** out_buffer,uint32_t * out_size)
{
membuffer * buf;
uint32_t ilst_size;
void * ilst_buffer;
if (!create_ilst(data,&ilst_buffer,&ilst_size)) return 0;
buf = membuffer_create();
membuffer_write_int32(buf,0);
membuffer_write_atom(buf,"ilst",ilst_size,ilst_buffer);
free(ilst_buffer);
*out_size = membuffer_get_size(buf);
*out_buffer = membuffer_detach(buf);
membuffer_free(buf);
return 1;
}
static uint32_t create_udta(const mp4ff_metadata_t * data,void ** out_buffer,uint32_t * out_size)
{
membuffer * buf;
uint32_t meta_size;
void * meta_buffer;
if (!create_meta(data,&meta_buffer,&meta_size)) return 0;
buf = membuffer_create();
membuffer_write_atom(buf,"meta",meta_size,meta_buffer);
free(meta_buffer);
*out_size = membuffer_get_size(buf);
*out_buffer = membuffer_detach(buf);
membuffer_free(buf);
return 1;
}
static uint32_t modify_moov(mp4ff_t * f,const mp4ff_metadata_t * data,void ** out_buffer,uint32_t * out_size)
{
uint64_t total_base = f->moov_offset + 8;
uint32_t total_size = (uint32_t)(f->moov_size - 8);
uint64_t udta_offset,meta_offset,ilst_offset;
uint32_t udta_size, meta_size, ilst_size;
uint32_t new_ilst_size;
void * new_ilst_buffer;
uint8_t * p_out;
int32_t size_delta;
if (!find_atom_v2(f,total_base,total_size,"udta",0,"meta"))
{
membuffer * buf;
void * new_udta_buffer;
uint32_t new_udta_size;
if (!create_udta(data,&new_udta_buffer,&new_udta_size)) return 0;
buf = membuffer_create();
mp4ff_set_position(f,total_base);
membuffer_transfer_from_file(buf,f,total_size);
membuffer_write_atom(buf,"udta",new_udta_size,new_udta_buffer);
free(new_udta_buffer);
*out_size = membuffer_get_size(buf);
*out_buffer = membuffer_detach(buf);
membuffer_free(buf);
return 1;
}
else
{
udta_offset = mp4ff_position(f);
udta_size = mp4ff_read_int32(f);
if (find_atom_v2(f,udta_offset+8,udta_size-8,"meta",4,"ilst")<2)
{
membuffer * buf;
void * new_meta_buffer;
uint32_t new_meta_size;
if (!create_meta(data,&new_meta_buffer,&new_meta_size)) return 0;
buf = membuffer_create();
mp4ff_set_position(f,total_base);
membuffer_transfer_from_file(buf,f,(uint32_t)(udta_offset - total_base));
membuffer_write_int32(buf,udta_size + 8 + new_meta_size);
membuffer_write_atom_name(buf,"udta");
membuffer_transfer_from_file(buf,f,udta_size);
membuffer_write_atom(buf,"meta",new_meta_size,new_meta_buffer);
free(new_meta_buffer);
*out_size = membuffer_get_size(buf);
*out_buffer = membuffer_detach(buf);
membuffer_free(buf);
return 1;
}
meta_offset = mp4ff_position(f);
meta_size = mp4ff_read_int32(f);
if (!find_atom(f,meta_offset+12,meta_size-12,"ilst")) return 0;//shouldn't happen, find_atom_v2 above takes care of it
ilst_offset = mp4ff_position(f);
ilst_size = mp4ff_read_int32(f);
if (!create_ilst(data,&new_ilst_buffer,&new_ilst_size)) return 0;
size_delta = new_ilst_size - (ilst_size - 8);
*out_size = total_size + size_delta;
*out_buffer = malloc(*out_size);
if (*out_buffer == 0)
{
free(new_ilst_buffer);
return 0;
}
p_out = (uint8_t*)*out_buffer;
mp4ff_set_position(f,total_base);
mp4ff_read_data(f,p_out,(uint32_t)(udta_offset - total_base )); p_out += (uint32_t)(udta_offset - total_base );
*(uint32_t*)p_out = fix_byte_order_32(mp4ff_read_int32(f) + size_delta); p_out += 4;
mp4ff_read_data(f,p_out,4); p_out += 4;
mp4ff_read_data(f,p_out,(uint32_t)(meta_offset - udta_offset - 8)); p_out += (uint32_t)(meta_offset - udta_offset - 8);
*(uint32_t*)p_out = fix_byte_order_32(mp4ff_read_int32(f) + size_delta); p_out += 4;
mp4ff_read_data(f,p_out,4); p_out += 4;
mp4ff_read_data(f,p_out,(uint32_t)(ilst_offset - meta_offset - 8)); p_out += (uint32_t)(ilst_offset - meta_offset - 8);
*(uint32_t*)p_out = fix_byte_order_32(mp4ff_read_int32(f) + size_delta); p_out += 4;
mp4ff_read_data(f,p_out,4); p_out += 4;
memcpy(p_out,new_ilst_buffer,new_ilst_size);
p_out += new_ilst_size;
mp4ff_set_position(f,ilst_offset + ilst_size);
mp4ff_read_data(f,p_out,(uint32_t)(total_size - (ilst_offset - total_base) - ilst_size));
free(new_ilst_buffer);
}
return 1;
}
int32_t mp4ff_meta_update(mp4ff_callback_t *f,const mp4ff_metadata_t * data)
{
void * new_moov_data;
uint32_t new_moov_size;
mp4ff_t *ff = malloc(sizeof(mp4ff_t));
memset(ff, 0, sizeof(mp4ff_t));
ff->stream = f;
mp4ff_set_position(ff,0);
parse_atoms(ff);
if (!modify_moov(ff,data,&new_moov_data,&new_moov_size))
{
mp4ff_close(ff);
return 0;
}
/* copy moov atom to end of the file */
if (ff->last_atom != ATOM_MOOV)
{
char *free_data = "free";
/* rename old moov to free */
mp4ff_set_position(ff, ff->moov_offset + 4);
mp4ff_write_data(ff, free_data, 4);
mp4ff_set_position(ff, ff->file_size);
mp4ff_write_int32(ff,new_moov_size + 8);
mp4ff_write_data(ff,"moov",4);
mp4ff_write_data(ff, new_moov_data, new_moov_size);
}
else
{
mp4ff_set_position(ff, ff->moov_offset);
mp4ff_write_int32(ff,new_moov_size + 8);
mp4ff_write_data(ff,"moov",4);
mp4ff_write_data(ff, new_moov_data, new_moov_size);
}
mp4ff_truncate(ff);
mp4ff_close(ff);
return 1;
}
#endif

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/*
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
**
** 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 02111-1307, USA.
**
** Any non-GPL usage of this software or parts of this software is strictly
** forbidden.
**
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
** $Id: mp4util.c,v 1.15 2004/01/11 15:52:19 menno Exp $
**/
#include "mp4ffint.h"
#include <stdlib.h>
int32_t mp4ff_read_data(mp4ff_t *f, int8_t *data, uint32_t size)
{
int32_t result = 1;
result = f->stream->read(f->stream->user_data, data, size);
f->current_position += size;
return result;
}
int32_t mp4ff_truncate(mp4ff_t * f)
{
return f->stream->truncate(f->stream->user_data);
}
int32_t mp4ff_write_data(mp4ff_t *f, int8_t *data, uint32_t size)
{
int32_t result = 1;
result = f->stream->write(f->stream->user_data, data, size);
f->current_position += size;
return result;
}
int32_t mp4ff_write_int32(mp4ff_t *f,const uint32_t data)
{
uint32_t result;
uint32_t a, b, c, d;
int8_t temp[4];
*(uint32_t*)temp = data;
a = (uint8_t)temp[0];
b = (uint8_t)temp[1];
c = (uint8_t)temp[2];
d = (uint8_t)temp[3];
result = (a<<24) | (b<<16) | (c<<8) | d;
return mp4ff_write_data(f,(uint8_t*)&result,sizeof(result));
}
int32_t mp4ff_set_position(mp4ff_t *f, const int64_t position)
{
f->stream->seek(f->stream->user_data, position);
f->current_position = position;
return 0;
}
int64_t mp4ff_position(const mp4ff_t *f)
{
return f->current_position;
}
uint64_t mp4ff_read_int64(mp4ff_t *f)
{
uint8_t data[8];
uint64_t result = 0;
int8_t i;
mp4ff_read_data(f, data, 8);
for (i = 0; i < 8; i++)
{
result |= ((uint64_t)data[i]) << ((7 - i) * 8);
}
return result;
}
uint32_t mp4ff_read_int32(mp4ff_t *f)
{
uint32_t result;
uint32_t a, b, c, d;
int8_t data[4];
mp4ff_read_data(f, data, 4);
a = (uint8_t)data[0];
b = (uint8_t)data[1];
c = (uint8_t)data[2];
d = (uint8_t)data[3];
result = (a<<24) | (b<<16) | (c<<8) | d;
return (uint32_t)result;
}
uint32_t mp4ff_read_int24(mp4ff_t *f)
{
uint32_t result;
uint32_t a, b, c;
int8_t data[4];
mp4ff_read_data(f, data, 3);
a = (uint8_t)data[0];
b = (uint8_t)data[1];
c = (uint8_t)data[2];
result = (a<<16) | (b<<8) | c;
return (uint32_t)result;
}
uint16_t mp4ff_read_int16(mp4ff_t *f)
{
uint32_t result;
uint32_t a, b;
int8_t data[2];
mp4ff_read_data(f, data, 2);
a = (uint8_t)data[0];
b = (uint8_t)data[1];
result = (a<<8) | b;
return (uint16_t)result;
}
char * mp4ff_read_string(mp4ff_t * f,uint32_t length)
{
char * str = (char*)malloc(length + 1);
if (str!=0)
{
if ((uint32_t)mp4ff_read_data(f,str,length)!=length)
{
free(str);
str = 0;
}
else
{
str[length] = 0;
}
}
return str;
}
uint8_t mp4ff_read_char(mp4ff_t *f)
{
uint8_t output;
mp4ff_read_data(f, &output, 1);
return output;
}
uint32_t mp4ff_read_mp4_descr_length(mp4ff_t *f)
{
uint8_t b;
uint8_t numBytes = 0;
uint32_t length = 0;
do
{
b = mp4ff_read_char(f);
numBytes++;
length = (length << 7) | (b & 0x7F);
} while ((b & 0x80) && numBytes < 4);
return length;
}