diff options
Diffstat (limited to 'media/libogg/src')
| -rw-r--r-- | media/libogg/src/crctable.h | 278 | ||||
| -rw-r--r-- | media/libogg/src/ogg_alloc.c | 31 | ||||
| -rw-r--r-- | media/libogg/src/ogg_bitwise.c | 1087 | ||||
| -rw-r--r-- | media/libogg/src/ogg_framing.c | 2114 |
4 files changed, 3510 insertions, 0 deletions
diff --git a/media/libogg/src/crctable.h b/media/libogg/src/crctable.h new file mode 100644 index 0000000000..dcc378b309 --- /dev/null +++ b/media/libogg/src/crctable.h @@ -0,0 +1,278 @@ +/******************************************************************** + * * + * THIS FILE IS PART OF THE Ogg CONTAINER SOURCE CODE. * + * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * + * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * + * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * + * * + * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2018 * + * by the Xiph.Org Foundation http://www.xiph.org/ * + * * + ********************************************************************/ + +#include <ogg/os_types.h> + +static const ogg_uint32_t crc_lookup[8][256]={ +{0x00000000,0x04c11db7,0x09823b6e,0x0d4326d9,0x130476dc,0x17c56b6b,0x1a864db2,0x1e475005, + 0x2608edb8,0x22c9f00f,0x2f8ad6d6,0x2b4bcb61,0x350c9b64,0x31cd86d3,0x3c8ea00a,0x384fbdbd, + 0x4c11db70,0x48d0c6c7,0x4593e01e,0x4152fda9,0x5f15adac,0x5bd4b01b,0x569796c2,0x52568b75, + 0x6a1936c8,0x6ed82b7f,0x639b0da6,0x675a1011,0x791d4014,0x7ddc5da3,0x709f7b7a,0x745e66cd, + 0x9823b6e0,0x9ce2ab57,0x91a18d8e,0x95609039,0x8b27c03c,0x8fe6dd8b,0x82a5fb52,0x8664e6e5, + 0xbe2b5b58,0xbaea46ef,0xb7a96036,0xb3687d81,0xad2f2d84,0xa9ee3033,0xa4ad16ea,0xa06c0b5d, + 0xd4326d90,0xd0f37027,0xddb056fe,0xd9714b49,0xc7361b4c,0xc3f706fb,0xceb42022,0xca753d95, + 0xf23a8028,0xf6fb9d9f,0xfbb8bb46,0xff79a6f1,0xe13ef6f4,0xe5ffeb43,0xe8bccd9a,0xec7dd02d, + 0x34867077,0x30476dc0,0x3d044b19,0x39c556ae,0x278206ab,0x23431b1c,0x2e003dc5,0x2ac12072, + 0x128e9dcf,0x164f8078,0x1b0ca6a1,0x1fcdbb16,0x018aeb13,0x054bf6a4,0x0808d07d,0x0cc9cdca, + 0x7897ab07,0x7c56b6b0,0x71159069,0x75d48dde,0x6b93dddb,0x6f52c06c,0x6211e6b5,0x66d0fb02, + 0x5e9f46bf,0x5a5e5b08,0x571d7dd1,0x53dc6066,0x4d9b3063,0x495a2dd4,0x44190b0d,0x40d816ba, + 0xaca5c697,0xa864db20,0xa527fdf9,0xa1e6e04e,0xbfa1b04b,0xbb60adfc,0xb6238b25,0xb2e29692, + 0x8aad2b2f,0x8e6c3698,0x832f1041,0x87ee0df6,0x99a95df3,0x9d684044,0x902b669d,0x94ea7b2a, + 0xe0b41de7,0xe4750050,0xe9362689,0xedf73b3e,0xf3b06b3b,0xf771768c,0xfa325055,0xfef34de2, + 0xc6bcf05f,0xc27dede8,0xcf3ecb31,0xcbffd686,0xd5b88683,0xd1799b34,0xdc3abded,0xd8fba05a, + 0x690ce0ee,0x6dcdfd59,0x608edb80,0x644fc637,0x7a089632,0x7ec98b85,0x738aad5c,0x774bb0eb, + 0x4f040d56,0x4bc510e1,0x46863638,0x42472b8f,0x5c007b8a,0x58c1663d,0x558240e4,0x51435d53, + 0x251d3b9e,0x21dc2629,0x2c9f00f0,0x285e1d47,0x36194d42,0x32d850f5,0x3f9b762c,0x3b5a6b9b, + 0x0315d626,0x07d4cb91,0x0a97ed48,0x0e56f0ff,0x1011a0fa,0x14d0bd4d,0x19939b94,0x1d528623, + 0xf12f560e,0xf5ee4bb9,0xf8ad6d60,0xfc6c70d7,0xe22b20d2,0xe6ea3d65,0xeba91bbc,0xef68060b, + 0xd727bbb6,0xd3e6a601,0xdea580d8,0xda649d6f,0xc423cd6a,0xc0e2d0dd,0xcda1f604,0xc960ebb3, + 0xbd3e8d7e,0xb9ff90c9,0xb4bcb610,0xb07daba7,0xae3afba2,0xaafbe615,0xa7b8c0cc,0xa379dd7b, + 0x9b3660c6,0x9ff77d71,0x92b45ba8,0x9675461f,0x8832161a,0x8cf30bad,0x81b02d74,0x857130c3, + 0x5d8a9099,0x594b8d2e,0x5408abf7,0x50c9b640,0x4e8ee645,0x4a4ffbf2,0x470cdd2b,0x43cdc09c, + 0x7b827d21,0x7f436096,0x7200464f,0x76c15bf8,0x68860bfd,0x6c47164a,0x61043093,0x65c52d24, + 0x119b4be9,0x155a565e,0x18197087,0x1cd86d30,0x029f3d35,0x065e2082,0x0b1d065b,0x0fdc1bec, + 0x3793a651,0x3352bbe6,0x3e119d3f,0x3ad08088,0x2497d08d,0x2056cd3a,0x2d15ebe3,0x29d4f654, + 0xc5a92679,0xc1683bce,0xcc2b1d17,0xc8ea00a0,0xd6ad50a5,0xd26c4d12,0xdf2f6bcb,0xdbee767c, + 0xe3a1cbc1,0xe760d676,0xea23f0af,0xeee2ed18,0xf0a5bd1d,0xf464a0aa,0xf9278673,0xfde69bc4, + 0x89b8fd09,0x8d79e0be,0x803ac667,0x84fbdbd0,0x9abc8bd5,0x9e7d9662,0x933eb0bb,0x97ffad0c, + 0xafb010b1,0xab710d06,0xa6322bdf,0xa2f33668,0xbcb4666d,0xb8757bda,0xb5365d03,0xb1f740b4}, + +{0x00000000,0xd219c1dc,0xa0f29e0f,0x72eb5fd3,0x452421a9,0x973de075,0xe5d6bfa6,0x37cf7e7a, + 0x8a484352,0x5851828e,0x2abadd5d,0xf8a31c81,0xcf6c62fb,0x1d75a327,0x6f9efcf4,0xbd873d28, + 0x10519b13,0xc2485acf,0xb0a3051c,0x62bac4c0,0x5575baba,0x876c7b66,0xf58724b5,0x279ee569, + 0x9a19d841,0x4800199d,0x3aeb464e,0xe8f28792,0xdf3df9e8,0x0d243834,0x7fcf67e7,0xadd6a63b, + 0x20a33626,0xf2baf7fa,0x8051a829,0x524869f5,0x6587178f,0xb79ed653,0xc5758980,0x176c485c, + 0xaaeb7574,0x78f2b4a8,0x0a19eb7b,0xd8002aa7,0xefcf54dd,0x3dd69501,0x4f3dcad2,0x9d240b0e, + 0x30f2ad35,0xe2eb6ce9,0x9000333a,0x4219f2e6,0x75d68c9c,0xa7cf4d40,0xd5241293,0x073dd34f, + 0xbabaee67,0x68a32fbb,0x1a487068,0xc851b1b4,0xff9ecfce,0x2d870e12,0x5f6c51c1,0x8d75901d, + 0x41466c4c,0x935fad90,0xe1b4f243,0x33ad339f,0x04624de5,0xd67b8c39,0xa490d3ea,0x76891236, + 0xcb0e2f1e,0x1917eec2,0x6bfcb111,0xb9e570cd,0x8e2a0eb7,0x5c33cf6b,0x2ed890b8,0xfcc15164, + 0x5117f75f,0x830e3683,0xf1e56950,0x23fca88c,0x1433d6f6,0xc62a172a,0xb4c148f9,0x66d88925, + 0xdb5fb40d,0x094675d1,0x7bad2a02,0xa9b4ebde,0x9e7b95a4,0x4c625478,0x3e890bab,0xec90ca77, + 0x61e55a6a,0xb3fc9bb6,0xc117c465,0x130e05b9,0x24c17bc3,0xf6d8ba1f,0x8433e5cc,0x562a2410, + 0xebad1938,0x39b4d8e4,0x4b5f8737,0x994646eb,0xae893891,0x7c90f94d,0x0e7ba69e,0xdc626742, + 0x71b4c179,0xa3ad00a5,0xd1465f76,0x035f9eaa,0x3490e0d0,0xe689210c,0x94627edf,0x467bbf03, + 0xfbfc822b,0x29e543f7,0x5b0e1c24,0x8917ddf8,0xbed8a382,0x6cc1625e,0x1e2a3d8d,0xcc33fc51, + 0x828cd898,0x50951944,0x227e4697,0xf067874b,0xc7a8f931,0x15b138ed,0x675a673e,0xb543a6e2, + 0x08c49bca,0xdadd5a16,0xa83605c5,0x7a2fc419,0x4de0ba63,0x9ff97bbf,0xed12246c,0x3f0be5b0, + 0x92dd438b,0x40c48257,0x322fdd84,0xe0361c58,0xd7f96222,0x05e0a3fe,0x770bfc2d,0xa5123df1, + 0x189500d9,0xca8cc105,0xb8679ed6,0x6a7e5f0a,0x5db12170,0x8fa8e0ac,0xfd43bf7f,0x2f5a7ea3, + 0xa22feebe,0x70362f62,0x02dd70b1,0xd0c4b16d,0xe70bcf17,0x35120ecb,0x47f95118,0x95e090c4, + 0x2867adec,0xfa7e6c30,0x889533e3,0x5a8cf23f,0x6d438c45,0xbf5a4d99,0xcdb1124a,0x1fa8d396, + 0xb27e75ad,0x6067b471,0x128ceba2,0xc0952a7e,0xf75a5404,0x254395d8,0x57a8ca0b,0x85b10bd7, + 0x383636ff,0xea2ff723,0x98c4a8f0,0x4add692c,0x7d121756,0xaf0bd68a,0xdde08959,0x0ff94885, + 0xc3cab4d4,0x11d37508,0x63382adb,0xb121eb07,0x86ee957d,0x54f754a1,0x261c0b72,0xf405caae, + 0x4982f786,0x9b9b365a,0xe9706989,0x3b69a855,0x0ca6d62f,0xdebf17f3,0xac544820,0x7e4d89fc, + 0xd39b2fc7,0x0182ee1b,0x7369b1c8,0xa1707014,0x96bf0e6e,0x44a6cfb2,0x364d9061,0xe45451bd, + 0x59d36c95,0x8bcaad49,0xf921f29a,0x2b383346,0x1cf74d3c,0xceee8ce0,0xbc05d333,0x6e1c12ef, + 0xe36982f2,0x3170432e,0x439b1cfd,0x9182dd21,0xa64da35b,0x74546287,0x06bf3d54,0xd4a6fc88, + 0x6921c1a0,0xbb38007c,0xc9d35faf,0x1bca9e73,0x2c05e009,0xfe1c21d5,0x8cf77e06,0x5eeebfda, + 0xf33819e1,0x2121d83d,0x53ca87ee,0x81d34632,0xb61c3848,0x6405f994,0x16eea647,0xc4f7679b, + 0x79705ab3,0xab699b6f,0xd982c4bc,0x0b9b0560,0x3c547b1a,0xee4dbac6,0x9ca6e515,0x4ebf24c9}, + +{0x00000000,0x01d8ac87,0x03b1590e,0x0269f589,0x0762b21c,0x06ba1e9b,0x04d3eb12,0x050b4795, + 0x0ec56438,0x0f1dc8bf,0x0d743d36,0x0cac91b1,0x09a7d624,0x087f7aa3,0x0a168f2a,0x0bce23ad, + 0x1d8ac870,0x1c5264f7,0x1e3b917e,0x1fe33df9,0x1ae87a6c,0x1b30d6eb,0x19592362,0x18818fe5, + 0x134fac48,0x129700cf,0x10fef546,0x112659c1,0x142d1e54,0x15f5b2d3,0x179c475a,0x1644ebdd, + 0x3b1590e0,0x3acd3c67,0x38a4c9ee,0x397c6569,0x3c7722fc,0x3daf8e7b,0x3fc67bf2,0x3e1ed775, + 0x35d0f4d8,0x3408585f,0x3661add6,0x37b90151,0x32b246c4,0x336aea43,0x31031fca,0x30dbb34d, + 0x269f5890,0x2747f417,0x252e019e,0x24f6ad19,0x21fdea8c,0x2025460b,0x224cb382,0x23941f05, + 0x285a3ca8,0x2982902f,0x2beb65a6,0x2a33c921,0x2f388eb4,0x2ee02233,0x2c89d7ba,0x2d517b3d, + 0x762b21c0,0x77f38d47,0x759a78ce,0x7442d449,0x714993dc,0x70913f5b,0x72f8cad2,0x73206655, + 0x78ee45f8,0x7936e97f,0x7b5f1cf6,0x7a87b071,0x7f8cf7e4,0x7e545b63,0x7c3daeea,0x7de5026d, + 0x6ba1e9b0,0x6a794537,0x6810b0be,0x69c81c39,0x6cc35bac,0x6d1bf72b,0x6f7202a2,0x6eaaae25, + 0x65648d88,0x64bc210f,0x66d5d486,0x670d7801,0x62063f94,0x63de9313,0x61b7669a,0x606fca1d, + 0x4d3eb120,0x4ce61da7,0x4e8fe82e,0x4f5744a9,0x4a5c033c,0x4b84afbb,0x49ed5a32,0x4835f6b5, + 0x43fbd518,0x4223799f,0x404a8c16,0x41922091,0x44996704,0x4541cb83,0x47283e0a,0x46f0928d, + 0x50b47950,0x516cd5d7,0x5305205e,0x52dd8cd9,0x57d6cb4c,0x560e67cb,0x54679242,0x55bf3ec5, + 0x5e711d68,0x5fa9b1ef,0x5dc04466,0x5c18e8e1,0x5913af74,0x58cb03f3,0x5aa2f67a,0x5b7a5afd, + 0xec564380,0xed8eef07,0xefe71a8e,0xee3fb609,0xeb34f19c,0xeaec5d1b,0xe885a892,0xe95d0415, + 0xe29327b8,0xe34b8b3f,0xe1227eb6,0xe0fad231,0xe5f195a4,0xe4293923,0xe640ccaa,0xe798602d, + 0xf1dc8bf0,0xf0042777,0xf26dd2fe,0xf3b57e79,0xf6be39ec,0xf766956b,0xf50f60e2,0xf4d7cc65, + 0xff19efc8,0xfec1434f,0xfca8b6c6,0xfd701a41,0xf87b5dd4,0xf9a3f153,0xfbca04da,0xfa12a85d, + 0xd743d360,0xd69b7fe7,0xd4f28a6e,0xd52a26e9,0xd021617c,0xd1f9cdfb,0xd3903872,0xd24894f5, + 0xd986b758,0xd85e1bdf,0xda37ee56,0xdbef42d1,0xdee40544,0xdf3ca9c3,0xdd555c4a,0xdc8df0cd, + 0xcac91b10,0xcb11b797,0xc978421e,0xc8a0ee99,0xcdaba90c,0xcc73058b,0xce1af002,0xcfc25c85, + 0xc40c7f28,0xc5d4d3af,0xc7bd2626,0xc6658aa1,0xc36ecd34,0xc2b661b3,0xc0df943a,0xc10738bd, + 0x9a7d6240,0x9ba5cec7,0x99cc3b4e,0x981497c9,0x9d1fd05c,0x9cc77cdb,0x9eae8952,0x9f7625d5, + 0x94b80678,0x9560aaff,0x97095f76,0x96d1f3f1,0x93dab464,0x920218e3,0x906bed6a,0x91b341ed, + 0x87f7aa30,0x862f06b7,0x8446f33e,0x859e5fb9,0x8095182c,0x814db4ab,0x83244122,0x82fceda5, + 0x8932ce08,0x88ea628f,0x8a839706,0x8b5b3b81,0x8e507c14,0x8f88d093,0x8de1251a,0x8c39899d, + 0xa168f2a0,0xa0b05e27,0xa2d9abae,0xa3010729,0xa60a40bc,0xa7d2ec3b,0xa5bb19b2,0xa463b535, + 0xafad9698,0xae753a1f,0xac1ccf96,0xadc46311,0xa8cf2484,0xa9178803,0xab7e7d8a,0xaaa6d10d, + 0xbce23ad0,0xbd3a9657,0xbf5363de,0xbe8bcf59,0xbb8088cc,0xba58244b,0xb831d1c2,0xb9e97d45, + 0xb2275ee8,0xb3fff26f,0xb19607e6,0xb04eab61,0xb545ecf4,0xb49d4073,0xb6f4b5fa,0xb72c197d}, + +{0x00000000,0xdc6d9ab7,0xbc1a28d9,0x6077b26e,0x7cf54c05,0xa098d6b2,0xc0ef64dc,0x1c82fe6b, + 0xf9ea980a,0x258702bd,0x45f0b0d3,0x999d2a64,0x851fd40f,0x59724eb8,0x3905fcd6,0xe5686661, + 0xf7142da3,0x2b79b714,0x4b0e057a,0x97639fcd,0x8be161a6,0x578cfb11,0x37fb497f,0xeb96d3c8, + 0x0efeb5a9,0xd2932f1e,0xb2e49d70,0x6e8907c7,0x720bf9ac,0xae66631b,0xce11d175,0x127c4bc2, + 0xeae946f1,0x3684dc46,0x56f36e28,0x8a9ef49f,0x961c0af4,0x4a719043,0x2a06222d,0xf66bb89a, + 0x1303defb,0xcf6e444c,0xaf19f622,0x73746c95,0x6ff692fe,0xb39b0849,0xd3ecba27,0x0f812090, + 0x1dfd6b52,0xc190f1e5,0xa1e7438b,0x7d8ad93c,0x61082757,0xbd65bde0,0xdd120f8e,0x017f9539, + 0xe417f358,0x387a69ef,0x580ddb81,0x84604136,0x98e2bf5d,0x448f25ea,0x24f89784,0xf8950d33, + 0xd1139055,0x0d7e0ae2,0x6d09b88c,0xb164223b,0xade6dc50,0x718b46e7,0x11fcf489,0xcd916e3e, + 0x28f9085f,0xf49492e8,0x94e32086,0x488eba31,0x540c445a,0x8861deed,0xe8166c83,0x347bf634, + 0x2607bdf6,0xfa6a2741,0x9a1d952f,0x46700f98,0x5af2f1f3,0x869f6b44,0xe6e8d92a,0x3a85439d, + 0xdfed25fc,0x0380bf4b,0x63f70d25,0xbf9a9792,0xa31869f9,0x7f75f34e,0x1f024120,0xc36fdb97, + 0x3bfad6a4,0xe7974c13,0x87e0fe7d,0x5b8d64ca,0x470f9aa1,0x9b620016,0xfb15b278,0x277828cf, + 0xc2104eae,0x1e7dd419,0x7e0a6677,0xa267fcc0,0xbee502ab,0x6288981c,0x02ff2a72,0xde92b0c5, + 0xcceefb07,0x108361b0,0x70f4d3de,0xac994969,0xb01bb702,0x6c762db5,0x0c019fdb,0xd06c056c, + 0x3504630d,0xe969f9ba,0x891e4bd4,0x5573d163,0x49f12f08,0x959cb5bf,0xf5eb07d1,0x29869d66, + 0xa6e63d1d,0x7a8ba7aa,0x1afc15c4,0xc6918f73,0xda137118,0x067eebaf,0x660959c1,0xba64c376, + 0x5f0ca517,0x83613fa0,0xe3168dce,0x3f7b1779,0x23f9e912,0xff9473a5,0x9fe3c1cb,0x438e5b7c, + 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0x02459e45,0x4d12f654,0x9ceb4e67,0xd3bc2676,0x3bd923b6,0x748e4ba7,0xa577f394,0xea209b85, + 0x970e126f,0xd8597a7e,0x09a0c24d,0x46f7aa5c,0xae92af9c,0xe1c5c78d,0x303c7fbe,0x7f6b17af, + 0xe4376989,0xab600198,0x7a99b9ab,0x35ced1ba,0xddabd47a,0x92fcbc6b,0x43050458,0x0c526c49}, + +{0x00000000,0x5ba1dcca,0xb743b994,0xece2655e,0x6a466e9f,0x31e7b255,0xdd05d70b,0x86a40bc1, + 0xd48cdd3e,0x8f2d01f4,0x63cf64aa,0x386eb860,0xbecab3a1,0xe56b6f6b,0x09890a35,0x5228d6ff, + 0xadd8a7cb,0xf6797b01,0x1a9b1e5f,0x413ac295,0xc79ec954,0x9c3f159e,0x70dd70c0,0x2b7cac0a, + 0x79547af5,0x22f5a63f,0xce17c361,0x95b61fab,0x1312146a,0x48b3c8a0,0xa451adfe,0xfff07134, + 0x5f705221,0x04d18eeb,0xe833ebb5,0xb392377f,0x35363cbe,0x6e97e074,0x8275852a,0xd9d459e0, + 0x8bfc8f1f,0xd05d53d5,0x3cbf368b,0x671eea41,0xe1bae180,0xba1b3d4a,0x56f95814,0x0d5884de, + 0xf2a8f5ea,0xa9092920,0x45eb4c7e,0x1e4a90b4,0x98ee9b75,0xc34f47bf,0x2fad22e1,0x740cfe2b, + 0x262428d4,0x7d85f41e,0x91679140,0xcac64d8a,0x4c62464b,0x17c39a81,0xfb21ffdf,0xa0802315, + 0xbee0a442,0xe5417888,0x09a31dd6,0x5202c11c,0xd4a6cadd,0x8f071617,0x63e57349,0x3844af83, + 0x6a6c797c,0x31cda5b6,0xdd2fc0e8,0x868e1c22,0x002a17e3,0x5b8bcb29,0xb769ae77,0xecc872bd, + 0x13380389,0x4899df43,0xa47bba1d,0xffda66d7,0x797e6d16,0x22dfb1dc,0xce3dd482,0x959c0848, + 0xc7b4deb7,0x9c15027d,0x70f76723,0x2b56bbe9,0xadf2b028,0xf6536ce2,0x1ab109bc,0x4110d576, + 0xe190f663,0xba312aa9,0x56d34ff7,0x0d72933d,0x8bd698fc,0xd0774436,0x3c952168,0x6734fda2, + 0x351c2b5d,0x6ebdf797,0x825f92c9,0xd9fe4e03,0x5f5a45c2,0x04fb9908,0xe819fc56,0xb3b8209c, + 0x4c4851a8,0x17e98d62,0xfb0be83c,0xa0aa34f6,0x260e3f37,0x7dafe3fd,0x914d86a3,0xcaec5a69, + 0x98c48c96,0xc365505c,0x2f873502,0x7426e9c8,0xf282e209,0xa9233ec3,0x45c15b9d,0x1e608757, + 0x79005533,0x22a189f9,0xce43eca7,0x95e2306d,0x13463bac,0x48e7e766,0xa4058238,0xffa45ef2, + 0xad8c880d,0xf62d54c7,0x1acf3199,0x416eed53,0xc7cae692,0x9c6b3a58,0x70895f06,0x2b2883cc, + 0xd4d8f2f8,0x8f792e32,0x639b4b6c,0x383a97a6,0xbe9e9c67,0xe53f40ad,0x09dd25f3,0x527cf939, + 0x00542fc6,0x5bf5f30c,0xb7179652,0xecb64a98,0x6a124159,0x31b39d93,0xdd51f8cd,0x86f02407, + 0x26700712,0x7dd1dbd8,0x9133be86,0xca92624c,0x4c36698d,0x1797b547,0xfb75d019,0xa0d40cd3, + 0xf2fcda2c,0xa95d06e6,0x45bf63b8,0x1e1ebf72,0x98bab4b3,0xc31b6879,0x2ff90d27,0x7458d1ed, + 0x8ba8a0d9,0xd0097c13,0x3ceb194d,0x674ac587,0xe1eece46,0xba4f128c,0x56ad77d2,0x0d0cab18, + 0x5f247de7,0x0485a12d,0xe867c473,0xb3c618b9,0x35621378,0x6ec3cfb2,0x8221aaec,0xd9807626, + 0xc7e0f171,0x9c412dbb,0x70a348e5,0x2b02942f,0xada69fee,0xf6074324,0x1ae5267a,0x4144fab0, + 0x136c2c4f,0x48cdf085,0xa42f95db,0xff8e4911,0x792a42d0,0x228b9e1a,0xce69fb44,0x95c8278e, + 0x6a3856ba,0x31998a70,0xdd7bef2e,0x86da33e4,0x007e3825,0x5bdfe4ef,0xb73d81b1,0xec9c5d7b, + 0xbeb48b84,0xe515574e,0x09f73210,0x5256eeda,0xd4f2e51b,0x8f5339d1,0x63b15c8f,0x38108045, + 0x9890a350,0xc3317f9a,0x2fd31ac4,0x7472c60e,0xf2d6cdcf,0xa9771105,0x4595745b,0x1e34a891, + 0x4c1c7e6e,0x17bda2a4,0xfb5fc7fa,0xa0fe1b30,0x265a10f1,0x7dfbcc3b,0x9119a965,0xcab875af, + 0x3548049b,0x6ee9d851,0x820bbd0f,0xd9aa61c5,0x5f0e6a04,0x04afb6ce,0xe84dd390,0xb3ec0f5a, + 0xe1c4d9a5,0xba65056f,0x56876031,0x0d26bcfb,0x8b82b73a,0xd0236bf0,0x3cc10eae,0x6760d264}}; diff --git a/media/libogg/src/ogg_alloc.c b/media/libogg/src/ogg_alloc.c new file mode 100644 index 0000000000..4238d7b610 --- /dev/null +++ b/media/libogg/src/ogg_alloc.c @@ -0,0 +1,31 @@ +/******************************************************************** + * * + * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. * + * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * + * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * + * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * + * * + * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2002 * + * by the Xiph.Org Foundation http://www.xiph.org/ * + * * + *********************************************************************/ + +#include <stdlib.h> +#include "ogg/os_types.h" + +ogg_malloc_function_type *ogg_malloc_func = malloc; +ogg_calloc_function_type *ogg_calloc_func = calloc; +ogg_realloc_function_type *ogg_realloc_func = realloc; +ogg_free_function_type *ogg_free_func = free; + +void +ogg_set_mem_functions(ogg_malloc_function_type *malloc_func, + ogg_calloc_function_type *calloc_func, + ogg_realloc_function_type *realloc_func, + ogg_free_function_type *free_func) +{ + ogg_malloc_func = malloc_func; + ogg_calloc_func = calloc_func; + ogg_realloc_func = realloc_func; + ogg_free_func = free_func; +} diff --git a/media/libogg/src/ogg_bitwise.c b/media/libogg/src/ogg_bitwise.c new file mode 100644 index 0000000000..f5ef79122e --- /dev/null +++ b/media/libogg/src/ogg_bitwise.c @@ -0,0 +1,1087 @@ +/******************************************************************** + * * + * THIS FILE IS PART OF THE Ogg CONTAINER SOURCE CODE. * + * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * + * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * + * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * + * * + * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2014 * + * by the Xiph.Org Foundation http://www.xiph.org/ * + * * + ******************************************************************** + + function: packing variable sized words into an octet stream + + ********************************************************************/ + +/* We're 'LSb' endian; if we write a word but read individual bits, + then we'll read the lsb first */ + +#include <string.h> +#include <stdlib.h> +#include <limits.h> +#include <ogg/ogg.h> + +#define BUFFER_INCREMENT 256 + +static const unsigned long mask[]= +{0x00000000,0x00000001,0x00000003,0x00000007,0x0000000f, + 0x0000001f,0x0000003f,0x0000007f,0x000000ff,0x000001ff, + 0x000003ff,0x000007ff,0x00000fff,0x00001fff,0x00003fff, + 0x00007fff,0x0000ffff,0x0001ffff,0x0003ffff,0x0007ffff, + 0x000fffff,0x001fffff,0x003fffff,0x007fffff,0x00ffffff, + 0x01ffffff,0x03ffffff,0x07ffffff,0x0fffffff,0x1fffffff, + 0x3fffffff,0x7fffffff,0xffffffff }; + +static const unsigned int mask8B[]= +{0x00,0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe,0xff}; + +void oggpack_writeinit(oggpack_buffer *b){ + memset(b,0,sizeof(*b)); + b->ptr=b->buffer=_ogg_malloc(BUFFER_INCREMENT); + b->buffer[0]='\0'; + b->storage=BUFFER_INCREMENT; +} + +void oggpackB_writeinit(oggpack_buffer *b){ + oggpack_writeinit(b); +} + +int oggpack_writecheck(oggpack_buffer *b){ + if(!b->ptr || !b->storage)return -1; + return 0; +} + +int oggpackB_writecheck(oggpack_buffer *b){ + return oggpack_writecheck(b); +} + +void oggpack_writetrunc(oggpack_buffer *b,long bits){ + long bytes=bits>>3; + if(b->ptr){ + bits-=bytes*8; + b->ptr=b->buffer+bytes; + b->endbit=bits; + b->endbyte=bytes; + *b->ptr&=mask[bits]; + } +} + +void oggpackB_writetrunc(oggpack_buffer *b,long bits){ + long bytes=bits>>3; + if(b->ptr){ + bits-=bytes*8; + b->ptr=b->buffer+bytes; + b->endbit=bits; + b->endbyte=bytes; + *b->ptr&=mask8B[bits]; + } +} + +/* Takes only up to 32 bits. */ +void oggpack_write(oggpack_buffer *b,unsigned long value,int bits){ + if(bits<0 || bits>32) goto err; + if(b->endbyte>=b->storage-4){ + void *ret; + if(!b->ptr)return; + if(b->storage>LONG_MAX-BUFFER_INCREMENT) goto err; + ret=_ogg_realloc(b->buffer,b->storage+BUFFER_INCREMENT); + if(!ret) goto err; + b->buffer=ret; + b->storage+=BUFFER_INCREMENT; + b->ptr=b->buffer+b->endbyte; + } + + value&=mask[bits]; + bits+=b->endbit; + + b->ptr[0]|=value<<b->endbit; + + if(bits>=8){ + b->ptr[1]=(unsigned char)(value>>(8-b->endbit)); + if(bits>=16){ + b->ptr[2]=(unsigned char)(value>>(16-b->endbit)); + if(bits>=24){ + b->ptr[3]=(unsigned char)(value>>(24-b->endbit)); + if(bits>=32){ + if(b->endbit) + b->ptr[4]=(unsigned char)(value>>(32-b->endbit)); + else + b->ptr[4]=0; + } + } + } + } + + b->endbyte+=bits/8; + b->ptr+=bits/8; + b->endbit=bits&7; + return; + err: + oggpack_writeclear(b); +} + +/* Takes only up to 32 bits. */ +void oggpackB_write(oggpack_buffer *b,unsigned long value,int bits){ + if(bits<0 || bits>32) goto err; + if(b->endbyte>=b->storage-4){ + void *ret; + if(!b->ptr)return; + if(b->storage>LONG_MAX-BUFFER_INCREMENT) goto err; + ret=_ogg_realloc(b->buffer,b->storage+BUFFER_INCREMENT); + if(!ret) goto err; + b->buffer=ret; + b->storage+=BUFFER_INCREMENT; + b->ptr=b->buffer+b->endbyte; + } + + value=(value&mask[bits])<<(32-bits); + bits+=b->endbit; + + b->ptr[0]|=value>>(24+b->endbit); + + if(bits>=8){ + b->ptr[1]=(unsigned char)(value>>(16+b->endbit)); + if(bits>=16){ + b->ptr[2]=(unsigned char)(value>>(8+b->endbit)); + if(bits>=24){ + b->ptr[3]=(unsigned char)(value>>(b->endbit)); + if(bits>=32){ + if(b->endbit) + b->ptr[4]=(unsigned char)(value<<(8-b->endbit)); + else + b->ptr[4]=0; + } + } + } + } + + b->endbyte+=bits/8; + b->ptr+=bits/8; + b->endbit=bits&7; + return; + err: + oggpack_writeclear(b); +} + +void oggpack_writealign(oggpack_buffer *b){ + int bits=8-b->endbit; + if(bits<8) + oggpack_write(b,0,bits); +} + +void oggpackB_writealign(oggpack_buffer *b){ + int bits=8-b->endbit; + if(bits<8) + oggpackB_write(b,0,bits); +} + +static void oggpack_writecopy_helper(oggpack_buffer *b, + void *source, + long bits, + void (*w)(oggpack_buffer *, + unsigned long, + int), + int msb){ + unsigned char *ptr=(unsigned char *)source; + + long bytes=bits/8; + long pbytes=(b->endbit+bits)/8; + bits-=bytes*8; + + /* expand storage up-front */ + if(b->endbyte+pbytes>=b->storage){ + void *ret; + if(!b->ptr) goto err; + if(b->storage>b->endbyte+pbytes+BUFFER_INCREMENT) goto err; + b->storage=b->endbyte+pbytes+BUFFER_INCREMENT; + ret=_ogg_realloc(b->buffer,b->storage); + if(!ret) goto err; + b->buffer=ret; + b->ptr=b->buffer+b->endbyte; + } + + /* copy whole octets */ + if(b->endbit){ + int i; + /* unaligned copy. Do it the hard way. */ + for(i=0;i<bytes;i++) + w(b,(unsigned long)(ptr[i]),8); + }else{ + /* aligned block copy */ + memmove(b->ptr,source,bytes); + b->ptr+=bytes; + b->endbyte+=bytes; + *b->ptr=0; + } + + /* copy trailing bits */ + if(bits){ + if(msb) + w(b,(unsigned long)(ptr[bytes]>>(8-bits)),bits); + else + w(b,(unsigned long)(ptr[bytes]),bits); + } + return; + err: + oggpack_writeclear(b); +} + +void oggpack_writecopy(oggpack_buffer *b,void *source,long bits){ + oggpack_writecopy_helper(b,source,bits,oggpack_write,0); +} + +void oggpackB_writecopy(oggpack_buffer *b,void *source,long bits){ + oggpack_writecopy_helper(b,source,bits,oggpackB_write,1); +} + +void oggpack_reset(oggpack_buffer *b){ + if(!b->ptr)return; + b->ptr=b->buffer; + b->buffer[0]=0; + b->endbit=b->endbyte=0; +} + +void oggpackB_reset(oggpack_buffer *b){ + oggpack_reset(b); +} + +void oggpack_writeclear(oggpack_buffer *b){ + if(b->buffer)_ogg_free(b->buffer); + memset(b,0,sizeof(*b)); +} + +void oggpackB_writeclear(oggpack_buffer *b){ + oggpack_writeclear(b); +} + +void oggpack_readinit(oggpack_buffer *b,unsigned char *buf,int bytes){ + memset(b,0,sizeof(*b)); + b->buffer=b->ptr=buf; + b->storage=bytes; +} + +void oggpackB_readinit(oggpack_buffer *b,unsigned char *buf,int bytes){ + oggpack_readinit(b,buf,bytes); +} + +/* Read in bits without advancing the bitptr; bits <= 32 */ +long oggpack_look(oggpack_buffer *b,int bits){ + unsigned long ret; + unsigned long m; + + if(bits<0 || bits>32) return -1; + m=mask[bits]; + bits+=b->endbit; + + if(b->endbyte >= b->storage-4){ + /* not the main path */ + if(b->endbyte > b->storage-((bits+7)>>3)) return -1; + /* special case to avoid reading b->ptr[0], which might be past the end of + the buffer; also skips some useless accounting */ + else if(!bits)return(0L); + } + + ret=b->ptr[0]>>b->endbit; + if(bits>8){ + ret|=b->ptr[1]<<(8-b->endbit); + if(bits>16){ + ret|=b->ptr[2]<<(16-b->endbit); + if(bits>24){ + ret|=b->ptr[3]<<(24-b->endbit); + if(bits>32 && b->endbit) + ret|=b->ptr[4]<<(32-b->endbit); + } + } + } + return(m&ret); +} + +/* Read in bits without advancing the bitptr; bits <= 32 */ +long oggpackB_look(oggpack_buffer *b,int bits){ + unsigned long ret; + int m=32-bits; + + if(m<0 || m>32) return -1; + bits+=b->endbit; + + if(b->endbyte >= b->storage-4){ + /* not the main path */ + if(b->endbyte > b->storage-((bits+7)>>3)) return -1; + /* special case to avoid reading b->ptr[0], which might be past the end of + the buffer; also skips some useless accounting */ + else if(!bits)return(0L); + } + + ret=b->ptr[0]<<(24+b->endbit); + if(bits>8){ + ret|=b->ptr[1]<<(16+b->endbit); + if(bits>16){ + ret|=b->ptr[2]<<(8+b->endbit); + if(bits>24){ + ret|=b->ptr[3]<<(b->endbit); + if(bits>32 && b->endbit) + ret|=b->ptr[4]>>(8-b->endbit); + } + } + } + return ((ret&0xffffffff)>>(m>>1))>>((m+1)>>1); +} + +long oggpack_look1(oggpack_buffer *b){ + if(b->endbyte>=b->storage)return(-1); + return((b->ptr[0]>>b->endbit)&1); +} + +long oggpackB_look1(oggpack_buffer *b){ + if(b->endbyte>=b->storage)return(-1); + return((b->ptr[0]>>(7-b->endbit))&1); +} + +void oggpack_adv(oggpack_buffer *b,int bits){ + bits+=b->endbit; + + if(b->endbyte > b->storage-((bits+7)>>3)) goto overflow; + + b->ptr+=bits/8; + b->endbyte+=bits/8; + b->endbit=bits&7; + return; + + overflow: + b->ptr=NULL; + b->endbyte=b->storage; + b->endbit=1; +} + +void oggpackB_adv(oggpack_buffer *b,int bits){ + oggpack_adv(b,bits); +} + +void oggpack_adv1(oggpack_buffer *b){ + if(++(b->endbit)>7){ + b->endbit=0; + b->ptr++; + b->endbyte++; + } +} + +void oggpackB_adv1(oggpack_buffer *b){ + oggpack_adv1(b); +} + +/* bits <= 32 */ +long oggpack_read(oggpack_buffer *b,int bits){ + long ret; + unsigned long m; + + if(bits<0 || bits>32) goto err; + m=mask[bits]; + bits+=b->endbit; + + if(b->endbyte >= b->storage-4){ + /* not the main path */ + if(b->endbyte > b->storage-((bits+7)>>3)) goto overflow; + /* special case to avoid reading b->ptr[0], which might be past the end of + the buffer; also skips some useless accounting */ + else if(!bits)return(0L); + } + + ret=b->ptr[0]>>b->endbit; + if(bits>8){ + ret|=b->ptr[1]<<(8-b->endbit); + if(bits>16){ + ret|=b->ptr[2]<<(16-b->endbit); + if(bits>24){ + ret|=b->ptr[3]<<(24-b->endbit); + if(bits>32 && b->endbit){ + ret|=b->ptr[4]<<(32-b->endbit); + } + } + } + } + ret&=m; + b->ptr+=bits/8; + b->endbyte+=bits/8; + b->endbit=bits&7; + return ret; + + overflow: + err: + b->ptr=NULL; + b->endbyte=b->storage; + b->endbit=1; + return -1L; +} + +/* bits <= 32 */ +long oggpackB_read(oggpack_buffer *b,int bits){ + long ret; + long m=32-bits; + + if(m<0 || m>32) goto err; + bits+=b->endbit; + + if(b->endbyte+4>=b->storage){ + /* not the main path */ + if(b->endbyte > b->storage-((bits+7)>>3)) goto overflow; + /* special case to avoid reading b->ptr[0], which might be past the end of + the buffer; also skips some useless accounting */ + else if(!bits)return(0L); + } + + ret=b->ptr[0]<<(24+b->endbit); + if(bits>8){ + ret|=b->ptr[1]<<(16+b->endbit); + if(bits>16){ + ret|=b->ptr[2]<<(8+b->endbit); + if(bits>24){ + ret|=b->ptr[3]<<(b->endbit); + if(bits>32 && b->endbit) + ret|=b->ptr[4]>>(8-b->endbit); + } + } + } + ret=((ret&0xffffffffUL)>>(m>>1))>>((m+1)>>1); + + b->ptr+=bits/8; + b->endbyte+=bits/8; + b->endbit=bits&7; + return ret; + + overflow: + err: + b->ptr=NULL; + b->endbyte=b->storage; + b->endbit=1; + return -1L; +} + +long oggpack_read1(oggpack_buffer *b){ + long ret; + + if(b->endbyte >= b->storage) goto overflow; + ret=(b->ptr[0]>>b->endbit)&1; + + b->endbit++; + if(b->endbit>7){ + b->endbit=0; + b->ptr++; + b->endbyte++; + } + return ret; + + overflow: + b->ptr=NULL; + b->endbyte=b->storage; + b->endbit=1; + return -1L; +} + +long oggpackB_read1(oggpack_buffer *b){ + long ret; + + if(b->endbyte >= b->storage) goto overflow; + ret=(b->ptr[0]>>(7-b->endbit))&1; + + b->endbit++; + if(b->endbit>7){ + b->endbit=0; + b->ptr++; + b->endbyte++; + } + return ret; + + overflow: + b->ptr=NULL; + b->endbyte=b->storage; + b->endbit=1; + return -1L; +} + +long oggpack_bytes(oggpack_buffer *b){ + return(b->endbyte+(b->endbit+7)/8); +} + +long oggpack_bits(oggpack_buffer *b){ + return(b->endbyte*8+b->endbit); +} + +long oggpackB_bytes(oggpack_buffer *b){ + return oggpack_bytes(b); +} + +long oggpackB_bits(oggpack_buffer *b){ + return oggpack_bits(b); +} + +unsigned char *oggpack_get_buffer(oggpack_buffer *b){ + return(b->buffer); +} + +unsigned char *oggpackB_get_buffer(oggpack_buffer *b){ + return oggpack_get_buffer(b); +} + +/* Self test of the bitwise routines; everything else is based on + them, so they damned well better be solid. */ + +#ifdef _V_SELFTEST +#include <stdio.h> + +static int ilog(unsigned int v){ + int ret=0; + while(v){ + ret++; + v>>=1; + } + return(ret); +} + +oggpack_buffer o; +oggpack_buffer r; + +void report(char *in){ + fprintf(stderr,"%s",in); + exit(1); +} + +void cliptest(unsigned long *b,int vals,int bits,int *comp,int compsize){ + long bytes,i; + unsigned char *buffer; + + oggpack_reset(&o); + for(i=0;i<vals;i++) + oggpack_write(&o,b[i],bits?bits:ilog(b[i])); + buffer=oggpack_get_buffer(&o); + bytes=oggpack_bytes(&o); + if(bytes!=compsize)report("wrong number of bytes!\n"); + for(i=0;i<bytes;i++)if(buffer[i]!=comp[i]){ + for(i=0;i<bytes;i++)fprintf(stderr,"%x %x\n",(int)buffer[i],(int)comp[i]); + report("wrote incorrect value!\n"); + } + oggpack_readinit(&r,buffer,bytes); + for(i=0;i<vals;i++){ + int tbit=bits?bits:ilog(b[i]); + if(oggpack_look(&r,tbit)==-1) + report("out of data!\n"); + if(oggpack_look(&r,tbit)!=(b[i]&mask[tbit])) + report("looked at incorrect value!\n"); + if(tbit==1) + if(oggpack_look1(&r)!=(b[i]&mask[tbit])) + report("looked at single bit incorrect value!\n"); + if(tbit==1){ + if(oggpack_read1(&r)!=(b[i]&mask[tbit])) + report("read incorrect single bit value!\n"); + }else{ + if(oggpack_read(&r,tbit)!=(b[i]&mask[tbit])) + report("read incorrect value!\n"); + } + } + if(oggpack_bytes(&r)!=bytes)report("leftover bytes after read!\n"); +} + +void cliptestB(unsigned long *b,int vals,int bits,int *comp,int compsize){ + long bytes,i; + unsigned char *buffer; + + oggpackB_reset(&o); + for(i=0;i<vals;i++) + oggpackB_write(&o,b[i],bits?bits:ilog(b[i])); + buffer=oggpackB_get_buffer(&o); + bytes=oggpackB_bytes(&o); + if(bytes!=compsize)report("wrong number of bytes!\n"); + for(i=0;i<bytes;i++)if(buffer[i]!=comp[i]){ + for(i=0;i<bytes;i++)fprintf(stderr,"%x %x\n",(int)buffer[i],(int)comp[i]); + report("wrote incorrect value!\n"); + } + oggpackB_readinit(&r,buffer,bytes); + for(i=0;i<vals;i++){ + int tbit=bits?bits:ilog(b[i]); + if(oggpackB_look(&r,tbit)==-1) + report("out of data!\n"); + if(oggpackB_look(&r,tbit)!=(b[i]&mask[tbit])) + report("looked at incorrect value!\n"); + if(tbit==1) + if(oggpackB_look1(&r)!=(b[i]&mask[tbit])) + report("looked at single bit incorrect value!\n"); + if(tbit==1){ + if(oggpackB_read1(&r)!=(b[i]&mask[tbit])) + report("read incorrect single bit value!\n"); + }else{ + if(oggpackB_read(&r,tbit)!=(b[i]&mask[tbit])) + report("read incorrect value!\n"); + } + } + if(oggpackB_bytes(&r)!=bytes)report("leftover bytes after read!\n"); +} + +void copytest(int prefill, int copy){ + oggpack_buffer source_write; + oggpack_buffer dest_write; + oggpack_buffer source_read; + oggpack_buffer dest_read; + unsigned char *source; + unsigned char *dest; + long source_bytes,dest_bytes; + int i; + + oggpack_writeinit(&source_write); + oggpack_writeinit(&dest_write); + + for(i=0;i<(prefill+copy+7)/8;i++) + oggpack_write(&source_write,(i^0x5a)&0xff,8); + source=oggpack_get_buffer(&source_write); + source_bytes=oggpack_bytes(&source_write); + + /* prefill */ + oggpack_writecopy(&dest_write,source,prefill); + + /* check buffers; verify end byte masking */ + dest=oggpack_get_buffer(&dest_write); + dest_bytes=oggpack_bytes(&dest_write); + if(dest_bytes!=(prefill+7)/8){ + fprintf(stderr,"wrong number of bytes after prefill! %ld!=%d\n",dest_bytes,(prefill+7)/8); + exit(1); + } + oggpack_readinit(&source_read,source,source_bytes); + oggpack_readinit(&dest_read,dest,dest_bytes); + + for(i=0;i<prefill;i+=8){ + int s=oggpack_read(&source_read,prefill-i<8?prefill-i:8); + int d=oggpack_read(&dest_read,prefill-i<8?prefill-i:8); + if(s!=d){ + fprintf(stderr,"prefill=%d mismatch! byte %d, %x!=%x\n",prefill,i/8,s,d); + exit(1); + } + } + if(prefill<dest_bytes){ + if(oggpack_read(&dest_read,dest_bytes-prefill)!=0){ + fprintf(stderr,"prefill=%d mismatch! trailing bits not zero\n",prefill); + exit(1); + } + } + + /* second copy */ + oggpack_writecopy(&dest_write,source,copy); + + /* check buffers; verify end byte masking */ + dest=oggpack_get_buffer(&dest_write); + dest_bytes=oggpack_bytes(&dest_write); + if(dest_bytes!=(copy+prefill+7)/8){ + fprintf(stderr,"wrong number of bytes after prefill+copy! %ld!=%d\n",dest_bytes,(copy+prefill+7)/8); + exit(1); + } + oggpack_readinit(&source_read,source,source_bytes); + oggpack_readinit(&dest_read,dest,dest_bytes); + + for(i=0;i<prefill;i+=8){ + int s=oggpack_read(&source_read,prefill-i<8?prefill-i:8); + int d=oggpack_read(&dest_read,prefill-i<8?prefill-i:8); + if(s!=d){ + fprintf(stderr,"prefill=%d mismatch! byte %d, %x!=%x\n",prefill,i/8,s,d); + exit(1); + } + } + + oggpack_readinit(&source_read,source,source_bytes); + for(i=0;i<copy;i+=8){ + int s=oggpack_read(&source_read,copy-i<8?copy-i:8); + int d=oggpack_read(&dest_read,copy-i<8?copy-i:8); + if(s!=d){ + fprintf(stderr,"prefill=%d copy=%d mismatch! byte %d, %x!=%x\n",prefill,copy,i/8,s,d); + exit(1); + } + } + + if(copy+prefill<dest_bytes){ + if(oggpack_read(&dest_read,dest_bytes-copy-prefill)!=0){ + fprintf(stderr,"prefill=%d copy=%d mismatch! trailing bits not zero\n",prefill,copy); + exit(1); + } + } + + oggpack_writeclear(&source_write); + oggpack_writeclear(&dest_write); + + +} + +void copytestB(int prefill, int copy){ + oggpack_buffer source_write; + oggpack_buffer dest_write; + oggpack_buffer source_read; + oggpack_buffer dest_read; + unsigned char *source; + unsigned char *dest; + long source_bytes,dest_bytes; + int i; + + oggpackB_writeinit(&source_write); + oggpackB_writeinit(&dest_write); + + for(i=0;i<(prefill+copy+7)/8;i++) + oggpackB_write(&source_write,(i^0x5a)&0xff,8); + source=oggpackB_get_buffer(&source_write); + source_bytes=oggpackB_bytes(&source_write); + + /* prefill */ + oggpackB_writecopy(&dest_write,source,prefill); + + /* check buffers; verify end byte masking */ + dest=oggpackB_get_buffer(&dest_write); + dest_bytes=oggpackB_bytes(&dest_write); + if(dest_bytes!=(prefill+7)/8){ + fprintf(stderr,"wrong number of bytes after prefill! %ld!=%d\n",dest_bytes,(prefill+7)/8); + exit(1); + } + oggpackB_readinit(&source_read,source,source_bytes); + oggpackB_readinit(&dest_read,dest,dest_bytes); + + for(i=0;i<prefill;i+=8){ + int s=oggpackB_read(&source_read,prefill-i<8?prefill-i:8); + int d=oggpackB_read(&dest_read,prefill-i<8?prefill-i:8); + if(s!=d){ + fprintf(stderr,"prefill=%d mismatch! byte %d, %x!=%x\n",prefill,i/8,s,d); + exit(1); + } + } + if(prefill<dest_bytes){ + if(oggpackB_read(&dest_read,dest_bytes-prefill)!=0){ + fprintf(stderr,"prefill=%d mismatch! trailing bits not zero\n",prefill); + exit(1); + } + } + + /* second copy */ + oggpackB_writecopy(&dest_write,source,copy); + + /* check buffers; verify end byte masking */ + dest=oggpackB_get_buffer(&dest_write); + dest_bytes=oggpackB_bytes(&dest_write); + if(dest_bytes!=(copy+prefill+7)/8){ + fprintf(stderr,"wrong number of bytes after prefill+copy! %ld!=%d\n",dest_bytes,(copy+prefill+7)/8); + exit(1); + } + oggpackB_readinit(&source_read,source,source_bytes); + oggpackB_readinit(&dest_read,dest,dest_bytes); + + for(i=0;i<prefill;i+=8){ + int s=oggpackB_read(&source_read,prefill-i<8?prefill-i:8); + int d=oggpackB_read(&dest_read,prefill-i<8?prefill-i:8); + if(s!=d){ + fprintf(stderr,"prefill=%d mismatch! byte %d, %x!=%x\n",prefill,i/8,s,d); + exit(1); + } + } + + oggpackB_readinit(&source_read,source,source_bytes); + for(i=0;i<copy;i+=8){ + int s=oggpackB_read(&source_read,copy-i<8?copy-i:8); + int d=oggpackB_read(&dest_read,copy-i<8?copy-i:8); + if(s!=d){ + fprintf(stderr,"prefill=%d copy=%d mismatch! byte %d, %x!=%x\n",prefill,copy,i/8,s,d); + exit(1); + } + } + + if(copy+prefill<dest_bytes){ + if(oggpackB_read(&dest_read,dest_bytes-copy-prefill)!=0){ + fprintf(stderr,"prefill=%d copy=%d mismatch! trailing bits not zero\n",prefill,copy); + exit(1); + } + } + + oggpackB_writeclear(&source_write); + oggpackB_writeclear(&dest_write); + +} + +int main(void){ + unsigned char *buffer; + long bytes,i,j; + static unsigned long testbuffer1[]= + {18,12,103948,4325,543,76,432,52,3,65,4,56,32,42,34,21,1,23,32,546,456,7, + 567,56,8,8,55,3,52,342,341,4,265,7,67,86,2199,21,7,1,5,1,4}; + int test1size=43; + + static unsigned long testbuffer2[]= + {216531625L,1237861823,56732452,131,3212421,12325343,34547562,12313212, + 1233432,534,5,346435231,14436467,7869299,76326614,167548585, + 85525151,0,12321,1,349528352}; + int test2size=21; + + static unsigned long testbuffer3[]= + {1,0,14,0,1,0,12,0,1,0,0,0,1,1,0,1,0,1,0,1,0,1,0,1,0,1,0,0,1,1,1,1,1,0,0,1, + 0,1,30,1,1,1,0,0,1,0,0,0,12,0,11,0,1,0,0,1}; + int test3size=56; + + static unsigned long large[]= + {2136531625L,2137861823,56732452,131,3212421,12325343,34547562,12313212, + 1233432,534,5,2146435231,14436467,7869299,76326614,167548585, + 85525151,0,12321,1,2146528352}; + + int onesize=33; + static int one[33]={146,25,44,151,195,15,153,176,233,131,196,65,85,172,47,40, + 34,242,223,136,35,222,211,86,171,50,225,135,214,75,172, + 223,4}; + static int oneB[33]={150,101,131,33,203,15,204,216,105,193,156,65,84,85,222, + 8,139,145,227,126,34,55,244,171,85,100,39,195,173,18, + 245,251,128}; + + int twosize=6; + static int two[6]={61,255,255,251,231,29}; + static int twoB[6]={247,63,255,253,249,120}; + + int threesize=54; + static int three[54]={169,2,232,252,91,132,156,36,89,13,123,176,144,32,254, + 142,224,85,59,121,144,79,124,23,67,90,90,216,79,23,83, + 58,135,196,61,55,129,183,54,101,100,170,37,127,126,10, + 100,52,4,14,18,86,77,1}; + static int threeB[54]={206,128,42,153,57,8,183,251,13,89,36,30,32,144,183, + 130,59,240,121,59,85,223,19,228,180,134,33,107,74,98, + 233,253,196,135,63,2,110,114,50,155,90,127,37,170,104, + 200,20,254,4,58,106,176,144,0}; + + int foursize=38; + static int four[38]={18,6,163,252,97,194,104,131,32,1,7,82,137,42,129,11,72, + 132,60,220,112,8,196,109,64,179,86,9,137,195,208,122,169, + 28,2,133,0,1}; + static int fourB[38]={36,48,102,83,243,24,52,7,4,35,132,10,145,21,2,93,2,41, + 1,219,184,16,33,184,54,149,170,132,18,30,29,98,229,67, + 129,10,4,32}; + + int fivesize=45; + static int five[45]={169,2,126,139,144,172,30,4,80,72,240,59,130,218,73,62, + 241,24,210,44,4,20,0,248,116,49,135,100,110,130,181,169, + 84,75,159,2,1,0,132,192,8,0,0,18,22}; + static int fiveB[45]={1,84,145,111,245,100,128,8,56,36,40,71,126,78,213,226, + 124,105,12,0,133,128,0,162,233,242,67,152,77,205,77, + 172,150,169,129,79,128,0,6,4,32,0,27,9,0}; + + int sixsize=7; + static int six[7]={17,177,170,242,169,19,148}; + static int sixB[7]={136,141,85,79,149,200,41}; + + /* Test read/write together */ + /* Later we test against pregenerated bitstreams */ + oggpack_writeinit(&o); + + fprintf(stderr,"\nSmall preclipped packing (LSb): "); + cliptest(testbuffer1,test1size,0,one,onesize); + fprintf(stderr,"ok."); + + fprintf(stderr,"\nNull bit call (LSb): "); + cliptest(testbuffer3,test3size,0,two,twosize); + fprintf(stderr,"ok."); + + fprintf(stderr,"\nLarge preclipped packing (LSb): "); + cliptest(testbuffer2,test2size,0,three,threesize); + fprintf(stderr,"ok."); + + fprintf(stderr,"\n32 bit preclipped packing (LSb): "); + oggpack_reset(&o); + for(i=0;i<test2size;i++) + oggpack_write(&o,large[i],32); + buffer=oggpack_get_buffer(&o); + bytes=oggpack_bytes(&o); + oggpack_readinit(&r,buffer,bytes); + for(i=0;i<test2size;i++){ + if(oggpack_look(&r,32)==-1)report("out of data. failed!"); + if(oggpack_look(&r,32)!=large[i]){ + fprintf(stderr,"%ld != %lu (%lx!=%lx):",oggpack_look(&r,32),large[i], + oggpack_look(&r,32),large[i]); + report("read incorrect value!\n"); + } + oggpack_adv(&r,32); + } + if(oggpack_bytes(&r)!=bytes)report("leftover bytes after read!\n"); + fprintf(stderr,"ok."); + + fprintf(stderr,"\nSmall unclipped packing (LSb): "); + cliptest(testbuffer1,test1size,7,four,foursize); + fprintf(stderr,"ok."); + + fprintf(stderr,"\nLarge unclipped packing (LSb): "); + cliptest(testbuffer2,test2size,17,five,fivesize); + fprintf(stderr,"ok."); + + fprintf(stderr,"\nSingle bit unclipped packing (LSb): "); + cliptest(testbuffer3,test3size,1,six,sixsize); + fprintf(stderr,"ok."); + + fprintf(stderr,"\nTesting read past end (LSb): "); + oggpack_readinit(&r,(unsigned char *)"\0\0\0\0\0\0\0\0",8); + for(i=0;i<64;i++){ + if(oggpack_read(&r,1)!=0){ + fprintf(stderr,"failed; got -1 prematurely.\n"); + exit(1); + } + } + if(oggpack_look(&r,1)!=-1 || + oggpack_read(&r,1)!=-1){ + fprintf(stderr,"failed; read past end without -1.\n"); + exit(1); + } + oggpack_readinit(&r,(unsigned char *)"\0\0\0\0\0\0\0\0",8); + if(oggpack_read(&r,30)!=0 || oggpack_read(&r,16)!=0){ + fprintf(stderr,"failed 2; got -1 prematurely.\n"); + exit(1); + } + + if(oggpack_look(&r,18)!=0 || + oggpack_look(&r,18)!=0){ + fprintf(stderr,"failed 3; got -1 prematurely.\n"); + exit(1); + } + if(oggpack_look(&r,19)!=-1 || + oggpack_look(&r,19)!=-1){ + fprintf(stderr,"failed; read past end without -1.\n"); + exit(1); + } + if(oggpack_look(&r,32)!=-1 || + oggpack_look(&r,32)!=-1){ + fprintf(stderr,"failed; read past end without -1.\n"); + exit(1); + } + oggpack_writeclear(&o); + fprintf(stderr,"ok."); + + /* this is partly glassbox; we're mostly concerned about the allocation boundaries */ + + fprintf(stderr,"\nTesting aligned writecopies (LSb): "); + for(i=0;i<71;i++) + for(j=0;j<5;j++) + copytest(j*8,i); + for(i=BUFFER_INCREMENT*8-71;i<BUFFER_INCREMENT*8+71;i++) + for(j=0;j<5;j++) + copytest(j*8,i); + fprintf(stderr,"ok. "); + + fprintf(stderr,"\nTesting unaligned writecopies (LSb): "); + for(i=0;i<71;i++) + for(j=1;j<40;j++) + if(j&0x7) + copytest(j,i); + for(i=BUFFER_INCREMENT*8-71;i<BUFFER_INCREMENT*8+71;i++) + for(j=1;j<40;j++) + if(j&0x7) + copytest(j,i); + + fprintf(stderr,"ok. \n"); + + + /********** lazy, cut-n-paste retest with MSb packing ***********/ + + /* Test read/write together */ + /* Later we test against pregenerated bitstreams */ + oggpackB_writeinit(&o); + + fprintf(stderr,"\nSmall preclipped packing (MSb): "); + cliptestB(testbuffer1,test1size,0,oneB,onesize); + fprintf(stderr,"ok."); + + fprintf(stderr,"\nNull bit call (MSb): "); + cliptestB(testbuffer3,test3size,0,twoB,twosize); + fprintf(stderr,"ok."); + + fprintf(stderr,"\nLarge preclipped packing (MSb): "); + cliptestB(testbuffer2,test2size,0,threeB,threesize); + fprintf(stderr,"ok."); + + fprintf(stderr,"\n32 bit preclipped packing (MSb): "); + oggpackB_reset(&o); + for(i=0;i<test2size;i++) + oggpackB_write(&o,large[i],32); + buffer=oggpackB_get_buffer(&o); + bytes=oggpackB_bytes(&o); + oggpackB_readinit(&r,buffer,bytes); + for(i=0;i<test2size;i++){ + if(oggpackB_look(&r,32)==-1)report("out of data. failed!"); + if(oggpackB_look(&r,32)!=large[i]){ + fprintf(stderr,"%ld != %lu (%lx!=%lx):",oggpackB_look(&r,32),large[i], + oggpackB_look(&r,32),large[i]); + report("read incorrect value!\n"); + } + oggpackB_adv(&r,32); + } + if(oggpackB_bytes(&r)!=bytes)report("leftover bytes after read!\n"); + fprintf(stderr,"ok."); + + fprintf(stderr,"\nSmall unclipped packing (MSb): "); + cliptestB(testbuffer1,test1size,7,fourB,foursize); + fprintf(stderr,"ok."); + + fprintf(stderr,"\nLarge unclipped packing (MSb): "); + cliptestB(testbuffer2,test2size,17,fiveB,fivesize); + fprintf(stderr,"ok."); + + fprintf(stderr,"\nSingle bit unclipped packing (MSb): "); + cliptestB(testbuffer3,test3size,1,sixB,sixsize); + fprintf(stderr,"ok."); + + fprintf(stderr,"\nTesting read past end (MSb): "); + oggpackB_readinit(&r,(unsigned char *)"\0\0\0\0\0\0\0\0",8); + for(i=0;i<64;i++){ + if(oggpackB_read(&r,1)!=0){ + fprintf(stderr,"failed; got -1 prematurely.\n"); + exit(1); + } + } + if(oggpackB_look(&r,1)!=-1 || + oggpackB_read(&r,1)!=-1){ + fprintf(stderr,"failed; read past end without -1.\n"); + exit(1); + } + oggpackB_readinit(&r,(unsigned char *)"\0\0\0\0\0\0\0\0",8); + if(oggpackB_read(&r,30)!=0 || oggpackB_read(&r,16)!=0){ + fprintf(stderr,"failed 2; got -1 prematurely.\n"); + exit(1); + } + + if(oggpackB_look(&r,18)!=0 || + oggpackB_look(&r,18)!=0){ + fprintf(stderr,"failed 3; got -1 prematurely.\n"); + exit(1); + } + if(oggpackB_look(&r,19)!=-1 || + oggpackB_look(&r,19)!=-1){ + fprintf(stderr,"failed; read past end without -1.\n"); + exit(1); + } + if(oggpackB_look(&r,32)!=-1 || + oggpackB_look(&r,32)!=-1){ + fprintf(stderr,"failed; read past end without -1.\n"); + exit(1); + } + fprintf(stderr,"ok."); + oggpackB_writeclear(&o); + + /* this is partly glassbox; we're mostly concerned about the allocation boundaries */ + + fprintf(stderr,"\nTesting aligned writecopies (MSb): "); + for(i=0;i<71;i++) + for(j=0;j<5;j++) + copytestB(j*8,i); + for(i=BUFFER_INCREMENT*8-71;i<BUFFER_INCREMENT*8+71;i++) + for(j=0;j<5;j++) + copytestB(j*8,i); + fprintf(stderr,"ok. "); + + fprintf(stderr,"\nTesting unaligned writecopies (MSb): "); + for(i=0;i<71;i++) + for(j=1;j<40;j++) + if(j&0x7) + copytestB(j,i); + for(i=BUFFER_INCREMENT*8-71;i<BUFFER_INCREMENT*8+71;i++) + for(j=1;j<40;j++) + if(j&0x7) + copytestB(j,i); + + fprintf(stderr,"ok. \n\n"); + + return(0); +} +#endif /* _V_SELFTEST */ + +#undef BUFFER_INCREMENT diff --git a/media/libogg/src/ogg_framing.c b/media/libogg/src/ogg_framing.c new file mode 100644 index 0000000000..724d116d7f --- /dev/null +++ b/media/libogg/src/ogg_framing.c @@ -0,0 +1,2114 @@ +/******************************************************************** + * * + * THIS FILE IS PART OF THE Ogg CONTAINER SOURCE CODE. * + * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * + * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * + * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * + * * + * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2018 * + * by the Xiph.Org Foundation http://www.xiph.org/ * + * * + ******************************************************************** + + function: code raw packets into framed OggSquish stream and + decode Ogg streams back into raw packets + + note: The CRC code is directly derived from public domain code by + Ross Williams (ross@guest.adelaide.edu.au). See docs/framing.html + for details. + + ********************************************************************/ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <stdlib.h> +#include <limits.h> +#include <string.h> +#include <ogg/ogg.h> + +/* A complete description of Ogg framing exists in docs/framing.html */ + +int ogg_page_version(const ogg_page *og){ + return((int)(og->header[4])); +} + +int ogg_page_continued(const ogg_page *og){ + return((int)(og->header[5]&0x01)); +} + +int ogg_page_bos(const ogg_page *og){ + return((int)(og->header[5]&0x02)); +} + +int ogg_page_eos(const ogg_page *og){ + return((int)(og->header[5]&0x04)); +} + +ogg_int64_t ogg_page_granulepos(const ogg_page *og){ + unsigned char *page=og->header; + ogg_uint64_t granulepos=page[13]&(0xff); + granulepos= (granulepos<<8)|(page[12]&0xff); + granulepos= (granulepos<<8)|(page[11]&0xff); + granulepos= (granulepos<<8)|(page[10]&0xff); + granulepos= (granulepos<<8)|(page[9]&0xff); + granulepos= (granulepos<<8)|(page[8]&0xff); + granulepos= (granulepos<<8)|(page[7]&0xff); + granulepos= (granulepos<<8)|(page[6]&0xff); + return((ogg_int64_t)granulepos); +} + +int ogg_page_serialno(const ogg_page *og){ + return((int)((ogg_uint32_t)og->header[14]) | + ((ogg_uint32_t)og->header[15]<<8) | + ((ogg_uint32_t)og->header[16]<<16) | + ((ogg_uint32_t)og->header[17]<<24)); +} + +long ogg_page_pageno(const ogg_page *og){ + return((long)((ogg_uint32_t)og->header[18]) | + ((ogg_uint32_t)og->header[19]<<8) | + ((ogg_uint32_t)og->header[20]<<16) | + ((ogg_uint32_t)og->header[21]<<24)); +} + + + +/* returns the number of packets that are completed on this page (if + the leading packet is begun on a previous page, but ends on this + page, it's counted */ + +/* NOTE: + If a page consists of a packet begun on a previous page, and a new + packet begun (but not completed) on this page, the return will be: + ogg_page_packets(page) ==1, + ogg_page_continued(page) !=0 + + If a page happens to be a single packet that was begun on a + previous page, and spans to the next page (in the case of a three or + more page packet), the return will be: + ogg_page_packets(page) ==0, + ogg_page_continued(page) !=0 +*/ + +int ogg_page_packets(const ogg_page *og){ + int i,n=og->header[26],count=0; + for(i=0;i<n;i++) + if(og->header[27+i]<255)count++; + return(count); +} + + +#if 0 +/* helper to initialize lookup for direct-table CRC (illustrative; we + use the static init in crctable.h) */ + +static void _ogg_crc_init(){ + int i, j; + ogg_uint32_t polynomial, crc; + polynomial = 0x04c11db7; /* The same as the ethernet generator + polynomial, although we use an + unreflected alg and an init/final + of 0, not 0xffffffff */ + for (i = 0; i <= 0xFF; i++){ + crc = i << 24; + + for (j = 0; j < 8; j++) + crc = (crc << 1) ^ (crc & (1 << 31) ? polynomial : 0); + + crc_lookup[0][i] = crc; + } + + for (i = 0; i <= 0xFF; i++) + for (j = 1; j < 8; j++) + crc_lookup[j][i] = crc_lookup[0][(crc_lookup[j - 1][i] >> 24) & 0xFF] ^ (crc_lookup[j - 1][i] << 8); +} +#endif + +#include "crctable.h" + +/* init the encode/decode logical stream state */ + +int ogg_stream_init(ogg_stream_state *os,int serialno){ + if(os){ + memset(os,0,sizeof(*os)); + os->body_storage=16*1024; + os->lacing_storage=1024; + + os->body_data=_ogg_malloc(os->body_storage*sizeof(*os->body_data)); + os->lacing_vals=_ogg_malloc(os->lacing_storage*sizeof(*os->lacing_vals)); + os->granule_vals=_ogg_malloc(os->lacing_storage*sizeof(*os->granule_vals)); + + if(!os->body_data || !os->lacing_vals || !os->granule_vals){ + ogg_stream_clear(os); + return -1; + } + + os->serialno=serialno; + + return(0); + } + return(-1); +} + +/* async/delayed error detection for the ogg_stream_state */ +int ogg_stream_check(ogg_stream_state *os){ + if(!os || !os->body_data) return -1; + return 0; +} + +/* _clear does not free os, only the non-flat storage within */ +int ogg_stream_clear(ogg_stream_state *os){ + if(os){ + if(os->body_data)_ogg_free(os->body_data); + if(os->lacing_vals)_ogg_free(os->lacing_vals); + if(os->granule_vals)_ogg_free(os->granule_vals); + + memset(os,0,sizeof(*os)); + } + return(0); +} + +int ogg_stream_destroy(ogg_stream_state *os){ + if(os){ + ogg_stream_clear(os); + _ogg_free(os); + } + return(0); +} + +/* Helpers for ogg_stream_encode; this keeps the structure and + what's happening fairly clear */ + +static int _os_body_expand(ogg_stream_state *os,long needed){ + if(os->body_storage-needed<=os->body_fill){ + long body_storage; + void *ret; + if(os->body_storage>LONG_MAX-needed){ + ogg_stream_clear(os); + return -1; + } + body_storage=os->body_storage+needed; + if(body_storage<LONG_MAX-1024)body_storage+=1024; + ret=_ogg_realloc(os->body_data,body_storage*sizeof(*os->body_data)); + if(!ret){ + ogg_stream_clear(os); + return -1; + } + os->body_storage=body_storage; + os->body_data=ret; + } + return 0; +} + +static int _os_lacing_expand(ogg_stream_state *os,long needed){ + if(os->lacing_storage-needed<=os->lacing_fill){ + long lacing_storage; + void *ret; + if(os->lacing_storage>LONG_MAX-needed){ + ogg_stream_clear(os); + return -1; + } + lacing_storage=os->lacing_storage+needed; + if(lacing_storage<LONG_MAX-32)lacing_storage+=32; + ret=_ogg_realloc(os->lacing_vals,lacing_storage*sizeof(*os->lacing_vals)); + if(!ret){ + ogg_stream_clear(os); + return -1; + } + os->lacing_vals=ret; + ret=_ogg_realloc(os->granule_vals,lacing_storage* + sizeof(*os->granule_vals)); + if(!ret){ + ogg_stream_clear(os); + return -1; + } + os->granule_vals=ret; + os->lacing_storage=lacing_storage; + } + return 0; +} + +/* checksum the page */ +/* Direct table CRC; note that this will be faster in the future if we + perform the checksum simultaneously with other copies */ + +static ogg_uint32_t _os_update_crc(ogg_uint32_t crc, unsigned char *buffer, int size){ + while (size>=8){ + crc^=((ogg_uint32_t)buffer[0]<<24)|((ogg_uint32_t)buffer[1]<<16)|((ogg_uint32_t)buffer[2]<<8)|((ogg_uint32_t)buffer[3]); + + crc=crc_lookup[7][ crc>>24 ]^crc_lookup[6][(crc>>16)&0xFF]^ + crc_lookup[5][(crc>> 8)&0xFF]^crc_lookup[4][ crc &0xFF]^ + crc_lookup[3][buffer[4] ]^crc_lookup[2][buffer[5] ]^ + crc_lookup[1][buffer[6] ]^crc_lookup[0][buffer[7] ]; + + buffer+=8; + size-=8; + } + + while (size--) + crc=(crc<<8)^crc_lookup[0][((crc >> 24)&0xff)^*buffer++]; + return crc; +} + +void ogg_page_checksum_set(ogg_page *og){ + if(og){ + ogg_uint32_t crc_reg=0; + + /* safety; needed for API behavior, but not framing code */ + og->header[22]=0; + og->header[23]=0; + og->header[24]=0; + og->header[25]=0; + + crc_reg=_os_update_crc(crc_reg,og->header,og->header_len); + crc_reg=_os_update_crc(crc_reg,og->body,og->body_len); + + og->header[22]=(unsigned char)(crc_reg&0xff); + og->header[23]=(unsigned char)((crc_reg>>8)&0xff); + og->header[24]=(unsigned char)((crc_reg>>16)&0xff); + og->header[25]=(unsigned char)((crc_reg>>24)&0xff); + } +} + +/* submit data to the internal buffer of the framing engine */ +int ogg_stream_iovecin(ogg_stream_state *os, ogg_iovec_t *iov, int count, + long e_o_s, ogg_int64_t granulepos){ + + long bytes = 0, lacing_vals; + int i; + + if(ogg_stream_check(os)) return -1; + if(!iov) return 0; + + for (i = 0; i < count; ++i){ + if(iov[i].iov_len>LONG_MAX) return -1; + if(bytes>LONG_MAX-(long)iov[i].iov_len) return -1; + bytes += (long)iov[i].iov_len; + } + lacing_vals=bytes/255+1; + + if(os->body_returned){ + /* advance packet data according to the body_returned pointer. We + had to keep it around to return a pointer into the buffer last + call */ + + os->body_fill-=os->body_returned; + if(os->body_fill) + memmove(os->body_data,os->body_data+os->body_returned, + os->body_fill); + os->body_returned=0; + } + + /* make sure we have the buffer storage */ + if(_os_body_expand(os,bytes) || _os_lacing_expand(os,lacing_vals)) + return -1; + + /* Copy in the submitted packet. Yes, the copy is a waste; this is + the liability of overly clean abstraction for the time being. It + will actually be fairly easy to eliminate the extra copy in the + future */ + + for (i = 0; i < count; ++i) { + memcpy(os->body_data+os->body_fill, iov[i].iov_base, iov[i].iov_len); + os->body_fill += (int)iov[i].iov_len; + } + + /* Store lacing vals for this packet */ + for(i=0;i<lacing_vals-1;i++){ + os->lacing_vals[os->lacing_fill+i]=255; + os->granule_vals[os->lacing_fill+i]=os->granulepos; + } + os->lacing_vals[os->lacing_fill+i]=bytes%255; + os->granulepos=os->granule_vals[os->lacing_fill+i]=granulepos; + + /* flag the first segment as the beginning of the packet */ + os->lacing_vals[os->lacing_fill]|= 0x100; + + os->lacing_fill+=lacing_vals; + + /* for the sake of completeness */ + os->packetno++; + + if(e_o_s)os->e_o_s=1; + + return(0); +} + +int ogg_stream_packetin(ogg_stream_state *os,ogg_packet *op){ + ogg_iovec_t iov; + iov.iov_base = op->packet; + iov.iov_len = op->bytes; + return ogg_stream_iovecin(os, &iov, 1, op->e_o_s, op->granulepos); +} + +/* Conditionally flush a page; force==0 will only flush nominal-size + pages, force==1 forces us to flush a page regardless of page size + so long as there's any data available at all. */ +static int ogg_stream_flush_i(ogg_stream_state *os,ogg_page *og, int force, int nfill){ + int i; + int vals=0; + int maxvals=(os->lacing_fill>255?255:os->lacing_fill); + int bytes=0; + long acc=0; + ogg_int64_t granule_pos=-1; + + if(ogg_stream_check(os)) return(0); + if(maxvals==0) return(0); + + /* construct a page */ + /* decide how many segments to include */ + + /* If this is the initial header case, the first page must only include + the initial header packet */ + if(os->b_o_s==0){ /* 'initial header page' case */ + granule_pos=0; + for(vals=0;vals<maxvals;vals++){ + if((os->lacing_vals[vals]&0x0ff)<255){ + vals++; + break; + } + } + }else{ + + /* The extra packets_done, packet_just_done logic here attempts to do two things: + 1) Don't unnecessarily span pages. + 2) Unless necessary, don't flush pages if there are less than four packets on + them; this expands page size to reduce unnecessary overhead if incoming packets + are large. + These are not necessary behaviors, just 'always better than naive flushing' + without requiring an application to explicitly request a specific optimized + behavior. We'll want an explicit behavior setup pathway eventually as well. */ + + int packets_done=0; + int packet_just_done=0; + for(vals=0;vals<maxvals;vals++){ + if(acc>nfill && packet_just_done>=4){ + force=1; + break; + } + acc+=os->lacing_vals[vals]&0x0ff; + if((os->lacing_vals[vals]&0xff)<255){ + granule_pos=os->granule_vals[vals]; + packet_just_done=++packets_done; + }else + packet_just_done=0; + } + if(vals==255)force=1; + } + + if(!force) return(0); + + /* construct the header in temp storage */ + memcpy(os->header,"OggS",4); + + /* stream structure version */ + os->header[4]=0x00; + + /* continued packet flag? */ + os->header[5]=0x00; + if((os->lacing_vals[0]&0x100)==0)os->header[5]|=0x01; + /* first page flag? */ + if(os->b_o_s==0)os->header[5]|=0x02; + /* last page flag? */ + if(os->e_o_s && os->lacing_fill==vals)os->header[5]|=0x04; + os->b_o_s=1; + + /* 64 bits of PCM position */ + for(i=6;i<14;i++){ + os->header[i]=(unsigned char)(granule_pos&0xff); + granule_pos>>=8; + } + + /* 32 bits of stream serial number */ + { + long serialno=os->serialno; + for(i=14;i<18;i++){ + os->header[i]=(unsigned char)(serialno&0xff); + serialno>>=8; + } + } + + /* 32 bits of page counter (we have both counter and page header + because this val can roll over) */ + if(os->pageno==-1)os->pageno=0; /* because someone called + stream_reset; this would be a + strange thing to do in an + encode stream, but it has + plausible uses */ + { + long pageno=os->pageno++; + for(i=18;i<22;i++){ + os->header[i]=(unsigned char)(pageno&0xff); + pageno>>=8; + } + } + + /* zero for computation; filled in later */ + os->header[22]=0; + os->header[23]=0; + os->header[24]=0; + os->header[25]=0; + + /* segment table */ + os->header[26]=(unsigned char)(vals&0xff); + for(i=0;i<vals;i++) + bytes+=os->header[i+27]=(unsigned char)(os->lacing_vals[i]&0xff); + + /* set pointers in the ogg_page struct */ + og->header=os->header; + og->header_len=os->header_fill=vals+27; + og->body=os->body_data+os->body_returned; + og->body_len=bytes; + + /* advance the lacing data and set the body_returned pointer */ + + os->lacing_fill-=vals; + memmove(os->lacing_vals,os->lacing_vals+vals,os->lacing_fill*sizeof(*os->lacing_vals)); + memmove(os->granule_vals,os->granule_vals+vals,os->lacing_fill*sizeof(*os->granule_vals)); + os->body_returned+=bytes; + + /* calculate the checksum */ + + ogg_page_checksum_set(og); + + /* done */ + return(1); +} + +/* This will flush remaining packets into a page (returning nonzero), + even if there is not enough data to trigger a flush normally + (undersized page). If there are no packets or partial packets to + flush, ogg_stream_flush returns 0. Note that ogg_stream_flush will + try to flush a normal sized page like ogg_stream_pageout; a call to + ogg_stream_flush does not guarantee that all packets have flushed. + Only a return value of 0 from ogg_stream_flush indicates all packet + data is flushed into pages. + + since ogg_stream_flush will flush the last page in a stream even if + it's undersized, you almost certainly want to use ogg_stream_pageout + (and *not* ogg_stream_flush) unless you specifically need to flush + a page regardless of size in the middle of a stream. */ + +int ogg_stream_flush(ogg_stream_state *os,ogg_page *og){ + return ogg_stream_flush_i(os,og,1,4096); +} + +/* Like the above, but an argument is provided to adjust the nominal + page size for applications which are smart enough to provide their + own delay based flushing */ + +int ogg_stream_flush_fill(ogg_stream_state *os,ogg_page *og, int nfill){ + return ogg_stream_flush_i(os,og,1,nfill); +} + +/* This constructs pages from buffered packet segments. The pointers +returned are to static buffers; do not free. The returned buffers are +good only until the next call (using the same ogg_stream_state) */ + +int ogg_stream_pageout(ogg_stream_state *os, ogg_page *og){ + int force=0; + if(ogg_stream_check(os)) return 0; + + if((os->e_o_s&&os->lacing_fill) || /* 'were done, now flush' case */ + (os->lacing_fill&&!os->b_o_s)) /* 'initial header page' case */ + force=1; + + return(ogg_stream_flush_i(os,og,force,4096)); +} + +/* Like the above, but an argument is provided to adjust the nominal +page size for applications which are smart enough to provide their +own delay based flushing */ + +int ogg_stream_pageout_fill(ogg_stream_state *os, ogg_page *og, int nfill){ + int force=0; + if(ogg_stream_check(os)) return 0; + + if((os->e_o_s&&os->lacing_fill) || /* 'were done, now flush' case */ + (os->lacing_fill&&!os->b_o_s)) /* 'initial header page' case */ + force=1; + + return(ogg_stream_flush_i(os,og,force,nfill)); +} + +int ogg_stream_eos(ogg_stream_state *os){ + if(ogg_stream_check(os)) return 1; + return os->e_o_s; +} + +/* DECODING PRIMITIVES: packet streaming layer **********************/ + +/* This has two layers to place more of the multi-serialno and paging + control in the application's hands. First, we expose a data buffer + using ogg_sync_buffer(). The app either copies into the + buffer, or passes it directly to read(), etc. We then call + ogg_sync_wrote() to tell how many bytes we just added. + + Pages are returned (pointers into the buffer in ogg_sync_state) + by ogg_sync_pageout(). The page is then submitted to + ogg_stream_pagein() along with the appropriate + ogg_stream_state* (ie, matching serialno). We then get raw + packets out calling ogg_stream_packetout() with a + ogg_stream_state. */ + +/* initialize the struct to a known state */ +int ogg_sync_init(ogg_sync_state *oy){ + if(oy){ + oy->storage = -1; /* used as a readiness flag */ + memset(oy,0,sizeof(*oy)); + } + return(0); +} + +/* clear non-flat storage within */ +int ogg_sync_clear(ogg_sync_state *oy){ + if(oy){ + if(oy->data)_ogg_free(oy->data); + memset(oy,0,sizeof(*oy)); + } + return(0); +} + +int ogg_sync_destroy(ogg_sync_state *oy){ + if(oy){ + ogg_sync_clear(oy); + _ogg_free(oy); + } + return(0); +} + +int ogg_sync_check(ogg_sync_state *oy){ + if(oy->storage<0) return -1; + return 0; +} + +char *ogg_sync_buffer(ogg_sync_state *oy, long size){ + if(ogg_sync_check(oy)) return NULL; + + /* first, clear out any space that has been previously returned */ + if(oy->returned){ + oy->fill-=oy->returned; + if(oy->fill>0) + memmove(oy->data,oy->data+oy->returned,oy->fill); + oy->returned=0; + } + + if(size>oy->storage-oy->fill){ + /* We need to extend the internal buffer */ + long newsize; + void *ret; + + if(size>INT_MAX-4096-oy->fill){ + ogg_sync_clear(oy); + return NULL; + } + newsize=size+oy->fill+4096; /* an extra page to be nice */ + if(oy->data) + ret=_ogg_realloc(oy->data,newsize); + else + ret=_ogg_malloc(newsize); + if(!ret){ + ogg_sync_clear(oy); + return NULL; + } + oy->data=ret; + oy->storage=newsize; + } + + /* expose a segment at least as large as requested at the fill mark */ + return((char *)oy->data+oy->fill); +} + +int ogg_sync_wrote(ogg_sync_state *oy, long bytes){ + if(ogg_sync_check(oy))return -1; + if(oy->fill+bytes>oy->storage)return -1; + oy->fill+=bytes; + return(0); +} + +/* sync the stream. This is meant to be useful for finding page + boundaries. + + return values for this: + -n) skipped n bytes + 0) page not ready; more data (no bytes skipped) + n) page synced at current location; page length n bytes + +*/ + +long ogg_sync_pageseek(ogg_sync_state *oy,ogg_page *og){ + unsigned char *page=oy->data+oy->returned; + unsigned char *next; + long bytes=oy->fill-oy->returned; + + if(ogg_sync_check(oy))return 0; + + if(oy->headerbytes==0){ + int headerbytes,i; + if(bytes<27)return(0); /* not enough for a header */ + + /* verify capture pattern */ + if(memcmp(page,"OggS",4))goto sync_fail; + + headerbytes=page[26]+27; + if(bytes<headerbytes)return(0); /* not enough for header + seg table */ + + /* count up body length in the segment table */ + + for(i=0;i<page[26];i++) + oy->bodybytes+=page[27+i]; + oy->headerbytes=headerbytes; + } + + if(oy->bodybytes+oy->headerbytes>bytes)return(0); + + /* The whole test page is buffered. Verify the checksum */ + { + /* Grab the checksum bytes, set the header field to zero */ + char chksum[4]; + ogg_page log; + + memcpy(chksum,page+22,4); + memset(page+22,0,4); + + /* set up a temp page struct and recompute the checksum */ + log.header=page; + log.header_len=oy->headerbytes; + log.body=page+oy->headerbytes; + log.body_len=oy->bodybytes; + ogg_page_checksum_set(&log); + + /* Compare */ + if(memcmp(chksum,page+22,4)){ + /* D'oh. Mismatch! Corrupt page (or miscapture and not a page + at all) */ + /* replace the computed checksum with the one actually read in */ + memcpy(page+22,chksum,4); + +#ifndef DISABLE_CRC + /* Bad checksum. Lose sync */ + goto sync_fail; +#endif + } + } + + /* yes, have a whole page all ready to go */ + { + if(og){ + og->header=page; + og->header_len=oy->headerbytes; + og->body=page+oy->headerbytes; + og->body_len=oy->bodybytes; + } + + oy->unsynced=0; + oy->returned+=(bytes=oy->headerbytes+oy->bodybytes); + oy->headerbytes=0; + oy->bodybytes=0; + return(bytes); + } + + sync_fail: + + oy->headerbytes=0; + oy->bodybytes=0; + + /* search for possible capture */ + next=memchr(page+1,'O',bytes-1); + if(!next) + next=oy->data+oy->fill; + + oy->returned=(int)(next-oy->data); + return((long)-(next-page)); +} + +/* sync the stream and get a page. Keep trying until we find a page. + Suppress 'sync errors' after reporting the first. + + return values: + -1) recapture (hole in data) + 0) need more data + 1) page returned + + Returns pointers into buffered data; invalidated by next call to + _stream, _clear, _init, or _buffer */ + +int ogg_sync_pageout(ogg_sync_state *oy, ogg_page *og){ + + if(ogg_sync_check(oy))return 0; + + /* all we need to do is verify a page at the head of the stream + buffer. If it doesn't verify, we look for the next potential + frame */ + + for(;;){ + long ret=ogg_sync_pageseek(oy,og); + if(ret>0){ + /* have a page */ + return(1); + } + if(ret==0){ + /* need more data */ + return(0); + } + + /* head did not start a synced page... skipped some bytes */ + if(!oy->unsynced){ + oy->unsynced=1; + return(-1); + } + + /* loop. keep looking */ + + } +} + +/* add the incoming page to the stream state; we decompose the page + into packet segments here as well. */ + +int ogg_stream_pagein(ogg_stream_state *os, ogg_page *og){ + unsigned char *header=og->header; + unsigned char *body=og->body; + long bodysize=og->body_len; + int segptr=0; + + int version=ogg_page_version(og); + int continued=ogg_page_continued(og); + int bos=ogg_page_bos(og); + int eos=ogg_page_eos(og); + ogg_int64_t granulepos=ogg_page_granulepos(og); + int serialno=ogg_page_serialno(og); + long pageno=ogg_page_pageno(og); + int segments=header[26]; + + if(ogg_stream_check(os)) return -1; + + /* clean up 'returned data' */ + { + long lr=os->lacing_returned; + long br=os->body_returned; + + /* body data */ + if(br){ + os->body_fill-=br; + if(os->body_fill) + memmove(os->body_data,os->body_data+br,os->body_fill); + os->body_returned=0; + } + + if(lr){ + /* segment table */ + if(os->lacing_fill-lr){ + memmove(os->lacing_vals,os->lacing_vals+lr, + (os->lacing_fill-lr)*sizeof(*os->lacing_vals)); + memmove(os->granule_vals,os->granule_vals+lr, + (os->lacing_fill-lr)*sizeof(*os->granule_vals)); + } + os->lacing_fill-=lr; + os->lacing_packet-=lr; + os->lacing_returned=0; + } + } + + /* check the serial number */ + if(serialno!=os->serialno)return(-1); + if(version>0)return(-1); + + if(_os_lacing_expand(os,segments+1)) return -1; + + /* are we in sequence? */ + if(pageno!=os->pageno){ + int i; + + /* unroll previous partial packet (if any) */ + for(i=os->lacing_packet;i<os->lacing_fill;i++) + os->body_fill-=os->lacing_vals[i]&0xff; + os->lacing_fill=os->lacing_packet; + + /* make a note of dropped data in segment table */ + if(os->pageno!=-1){ + os->lacing_vals[os->lacing_fill++]=0x400; + os->lacing_packet++; + } + } + + /* are we a 'continued packet' page? If so, we may need to skip + some segments */ + if(continued){ + if(os->lacing_fill<1 || + (os->lacing_vals[os->lacing_fill-1]&0xff)<255 || + os->lacing_vals[os->lacing_fill-1]==0x400){ + bos=0; + for(;segptr<segments;segptr++){ + int val=header[27+segptr]; + body+=val; + bodysize-=val; + if(val<255){ + segptr++; + break; + } + } + } + } + + if(bodysize){ + if(_os_body_expand(os,bodysize)) return -1; + memcpy(os->body_data+os->body_fill,body,bodysize); + os->body_fill+=bodysize; + } + + { + int saved=-1; + while(segptr<segments){ + int val=header[27+segptr]; + os->lacing_vals[os->lacing_fill]=val; + os->granule_vals[os->lacing_fill]=-1; + + if(bos){ + os->lacing_vals[os->lacing_fill]|=0x100; + bos=0; + } + + if(val<255)saved=os->lacing_fill; + + os->lacing_fill++; + segptr++; + + if(val<255)os->lacing_packet=os->lacing_fill; + } + + /* set the granulepos on the last granuleval of the last full packet */ + if(saved!=-1){ + os->granule_vals[saved]=granulepos; + } + + } + + if(eos){ + os->e_o_s=1; + if(os->lacing_fill>0) + os->lacing_vals[os->lacing_fill-1]|=0x200; + } + + os->pageno=pageno+1; + + return(0); +} + +/* clear things to an initial state. Good to call, eg, before seeking */ +int ogg_sync_reset(ogg_sync_state *oy){ + if(ogg_sync_check(oy))return -1; + + oy->fill=0; + oy->returned=0; + oy->unsynced=0; + oy->headerbytes=0; + oy->bodybytes=0; + return(0); +} + +int ogg_stream_reset(ogg_stream_state *os){ + if(ogg_stream_check(os)) return -1; + + os->body_fill=0; + os->body_returned=0; + + os->lacing_fill=0; + os->lacing_packet=0; + os->lacing_returned=0; + + os->header_fill=0; + + os->e_o_s=0; + os->b_o_s=0; + os->pageno=-1; + os->packetno=0; + os->granulepos=0; + + return(0); +} + +int ogg_stream_reset_serialno(ogg_stream_state *os,int serialno){ + if(ogg_stream_check(os)) return -1; + ogg_stream_reset(os); + os->serialno=serialno; + return(0); +} + +static int _packetout(ogg_stream_state *os,ogg_packet *op,int adv){ + + /* The last part of decode. We have the stream broken into packet + segments. Now we need to group them into packets (or return the + out of sync markers) */ + + int ptr=os->lacing_returned; + + if(os->lacing_packet<=ptr)return(0); + + if(os->lacing_vals[ptr]&0x400){ + /* we need to tell the codec there's a gap; it might need to + handle previous packet dependencies. */ + os->lacing_returned++; + os->packetno++; + return(-1); + } + + if(!op && !adv)return(1); /* just using peek as an inexpensive way + to ask if there's a whole packet + waiting */ + + /* Gather the whole packet. We'll have no holes or a partial packet */ + { + int size=os->lacing_vals[ptr]&0xff; + long bytes=size; + int eos=os->lacing_vals[ptr]&0x200; /* last packet of the stream? */ + int bos=os->lacing_vals[ptr]&0x100; /* first packet of the stream? */ + + while(size==255){ + int val=os->lacing_vals[++ptr]; + size=val&0xff; + if(val&0x200)eos=0x200; + bytes+=size; + } + + if(op){ + op->e_o_s=eos; + op->b_o_s=bos; + op->packet=os->body_data+os->body_returned; + op->packetno=os->packetno; + op->granulepos=os->granule_vals[ptr]; + op->bytes=bytes; + } + + if(adv){ + os->body_returned+=bytes; + os->lacing_returned=ptr+1; + os->packetno++; + } + } + return(1); +} + +int ogg_stream_packetout(ogg_stream_state *os,ogg_packet *op){ + if(ogg_stream_check(os)) return 0; + return _packetout(os,op,1); +} + +int ogg_stream_packetpeek(ogg_stream_state *os,ogg_packet *op){ + if(ogg_stream_check(os)) return 0; + return _packetout(os,op,0); +} + +void ogg_packet_clear(ogg_packet *op) { + _ogg_free(op->packet); + memset(op, 0, sizeof(*op)); +} + +#ifdef _V_SELFTEST +#include <stdio.h> + +ogg_stream_state os_en, os_de; +ogg_sync_state oy; + +void checkpacket(ogg_packet *op,long len, int no, long pos){ + long j; + static int sequence=0; + static int lastno=0; + + if(op->bytes!=len){ + fprintf(stderr,"incorrect packet length (%ld != %ld)!\n",op->bytes,len); + exit(1); + } + if(op->granulepos!=pos){ + fprintf(stderr,"incorrect packet granpos (%ld != %ld)!\n",(long)op->granulepos,pos); + exit(1); + } + + /* packet number just follows sequence/gap; adjust the input number + for that */ + if(no==0){ + sequence=0; + }else{ + sequence++; + if(no>lastno+1) + sequence++; + } + lastno=no; + if(op->packetno!=sequence){ + fprintf(stderr,"incorrect packet sequence %ld != %d\n", + (long)(op->packetno),sequence); + exit(1); + } + + /* Test data */ + for(j=0;j<op->bytes;j++) + if(op->packet[j]!=((j+no)&0xff)){ + fprintf(stderr,"body data mismatch (1) at pos %ld: %x!=%lx!\n\n", + j,op->packet[j],(j+no)&0xff); + exit(1); + } +} + +void check_page(unsigned char *data,const int *header,ogg_page *og){ + long j; + /* Test data */ + for(j=0;j<og->body_len;j++) + if(og->body[j]!=data[j]){ + fprintf(stderr,"body data mismatch (2) at pos %ld: %x!=%x!\n\n", + j,data[j],og->body[j]); + exit(1); + } + + /* Test header */ + for(j=0;j<og->header_len;j++){ + if(og->header[j]!=header[j]){ + fprintf(stderr,"header content mismatch at pos %ld:\n",j); + for(j=0;j<header[26]+27;j++) + fprintf(stderr," (%ld)%02x:%02x",j,header[j],og->header[j]); + fprintf(stderr,"\n"); + exit(1); + } + } + if(og->header_len!=header[26]+27){ + fprintf(stderr,"header length incorrect! (%ld!=%d)\n", + og->header_len,header[26]+27); + exit(1); + } +} + +void print_header(ogg_page *og){ + int j; + fprintf(stderr,"\nHEADER:\n"); + fprintf(stderr," capture: %c %c %c %c version: %d flags: %x\n", + og->header[0],og->header[1],og->header[2],og->header[3], + (int)og->header[4],(int)og->header[5]); + + fprintf(stderr," granulepos: %d serialno: %d pageno: %ld\n", + (og->header[9]<<24)|(og->header[8]<<16)| + (og->header[7]<<8)|og->header[6], + (og->header[17]<<24)|(og->header[16]<<16)| + (og->header[15]<<8)|og->header[14], + ((long)(og->header[21])<<24)|(og->header[20]<<16)| + (og->header[19]<<8)|og->header[18]); + + fprintf(stderr," checksum: %02x:%02x:%02x:%02x\n segments: %d (", + (int)og->header[22],(int)og->header[23], + (int)og->header[24],(int)og->header[25], + (int)og->header[26]); + + for(j=27;j<og->header_len;j++) + fprintf(stderr,"%d ",(int)og->header[j]); + fprintf(stderr,")\n\n"); +} + +void copy_page(ogg_page *og){ + unsigned char *temp=_ogg_malloc(og->header_len); + memcpy(temp,og->header,og->header_len); + og->header=temp; + + temp=_ogg_malloc(og->body_len); + memcpy(temp,og->body,og->body_len); + og->body=temp; +} + +void free_page(ogg_page *og){ + _ogg_free (og->header); + _ogg_free (og->body); +} + +void error(void){ + fprintf(stderr,"error!\n"); + exit(1); +} + +/* 17 only */ +const int head1_0[] = {0x4f,0x67,0x67,0x53,0,0x06, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x01,0x02,0x03,0x04,0,0,0,0, + 0x15,0xed,0xec,0x91, + 1, + 17}; + +/* 17, 254, 255, 256, 500, 510, 600 byte, pad */ +const int head1_1[] = {0x4f,0x67,0x67,0x53,0,0x02, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x01,0x02,0x03,0x04,0,0,0,0, + 0x59,0x10,0x6c,0x2c, + 1, + 17}; +const int head2_1[] = {0x4f,0x67,0x67,0x53,0,0x04, + 0x07,0x18,0x00,0x00,0x00,0x00,0x00,0x00, + 0x01,0x02,0x03,0x04,1,0,0,0, + 0x89,0x33,0x85,0xce, + 13, + 254,255,0,255,1,255,245,255,255,0, + 255,255,90}; + +/* nil packets; beginning,middle,end */ +const int head1_2[] = {0x4f,0x67,0x67,0x53,0,0x02, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x01,0x02,0x03,0x04,0,0,0,0, + 0xff,0x7b,0x23,0x17, + 1, + 0}; +const int head2_2[] = {0x4f,0x67,0x67,0x53,0,0x04, + 0x07,0x28,0x00,0x00,0x00,0x00,0x00,0x00, + 0x01,0x02,0x03,0x04,1,0,0,0, + 0x5c,0x3f,0x66,0xcb, + 17, + 17,254,255,0,0,255,1,0,255,245,255,255,0, + 255,255,90,0}; + +/* large initial packet */ +const int head1_3[] = {0x4f,0x67,0x67,0x53,0,0x02, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x01,0x02,0x03,0x04,0,0,0,0, + 0x01,0x27,0x31,0xaa, + 18, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255,255,10}; + +const int head2_3[] = {0x4f,0x67,0x67,0x53,0,0x04, + 0x07,0x08,0x00,0x00,0x00,0x00,0x00,0x00, + 0x01,0x02,0x03,0x04,1,0,0,0, + 0x7f,0x4e,0x8a,0xd2, + 4, + 255,4,255,0}; + + +/* continuing packet test */ +const int head1_4[] = {0x4f,0x67,0x67,0x53,0,0x02, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x01,0x02,0x03,0x04,0,0,0,0, + 0xff,0x7b,0x23,0x17, + 1, + 0}; + +const int head2_4[] = {0x4f,0x67,0x67,0x53,0,0x00, + 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, + 0x01,0x02,0x03,0x04,1,0,0,0, + 0xf8,0x3c,0x19,0x79, + 255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255}; + +const int head3_4[] = {0x4f,0x67,0x67,0x53,0,0x05, + 0x07,0x0c,0x00,0x00,0x00,0x00,0x00,0x00, + 0x01,0x02,0x03,0x04,2,0,0,0, + 0x38,0xe6,0xb6,0x28, + 6, + 255,220,255,4,255,0}; + + +/* spill expansion test */ +const int head1_4b[] = {0x4f,0x67,0x67,0x53,0,0x02, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x01,0x02,0x03,0x04,0,0,0,0, + 0xff,0x7b,0x23,0x17, + 1, + 0}; + +const int head2_4b[] = {0x4f,0x67,0x67,0x53,0,0x00, + 0x07,0x10,0x00,0x00,0x00,0x00,0x00,0x00, + 0x01,0x02,0x03,0x04,1,0,0,0, + 0xce,0x8f,0x17,0x1a, + 23, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255,255,10,255,4,255,0,0}; + + +const int head3_4b[] = {0x4f,0x67,0x67,0x53,0,0x04, + 0x07,0x14,0x00,0x00,0x00,0x00,0x00,0x00, + 0x01,0x02,0x03,0x04,2,0,0,0, + 0x9b,0xb2,0x50,0xa1, + 1, + 0}; + +/* page with the 255 segment limit */ +const int head1_5[] = {0x4f,0x67,0x67,0x53,0,0x02, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x01,0x02,0x03,0x04,0,0,0,0, + 0xff,0x7b,0x23,0x17, + 1, + 0}; + +const int head2_5[] = {0x4f,0x67,0x67,0x53,0,0x00, + 0x07,0xfc,0x03,0x00,0x00,0x00,0x00,0x00, + 0x01,0x02,0x03,0x04,1,0,0,0, + 0xed,0x2a,0x2e,0xa7, + 255, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10}; + +const int head3_5[] = {0x4f,0x67,0x67,0x53,0,0x04, + 0x07,0x00,0x04,0x00,0x00,0x00,0x00,0x00, + 0x01,0x02,0x03,0x04,2,0,0,0, + 0x6c,0x3b,0x82,0x3d, + 1, + 50}; + + +/* packet that overspans over an entire page */ +const int head1_6[] = {0x4f,0x67,0x67,0x53,0,0x02, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x01,0x02,0x03,0x04,0,0,0,0, + 0xff,0x7b,0x23,0x17, + 1, + 0}; + +const int head2_6[] = {0x4f,0x67,0x67,0x53,0,0x00, + 0x07,0x04,0x00,0x00,0x00,0x00,0x00,0x00, + 0x01,0x02,0x03,0x04,1,0,0,0, + 0x68,0x22,0x7c,0x3d, + 255, + 100, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255}; + +const int head3_6[] = {0x4f,0x67,0x67,0x53,0,0x01, + 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, + 0x01,0x02,0x03,0x04,2,0,0,0, + 0xf4,0x87,0xba,0xf3, + 255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255}; + +const int head4_6[] = {0x4f,0x67,0x67,0x53,0,0x05, + 0x07,0x10,0x00,0x00,0x00,0x00,0x00,0x00, + 0x01,0x02,0x03,0x04,3,0,0,0, + 0xf7,0x2f,0x6c,0x60, + 5, + 254,255,4,255,0}; + +/* packet that overspans over an entire page */ +const int head1_7[] = {0x4f,0x67,0x67,0x53,0,0x02, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x01,0x02,0x03,0x04,0,0,0,0, + 0xff,0x7b,0x23,0x17, + 1, + 0}; + +const int head2_7[] = {0x4f,0x67,0x67,0x53,0,0x00, + 0x07,0x04,0x00,0x00,0x00,0x00,0x00,0x00, + 0x01,0x02,0x03,0x04,1,0,0,0, + 0x68,0x22,0x7c,0x3d, + 255, + 100, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255, + 255,255,255,255,255,255}; + +const int head3_7[] = {0x4f,0x67,0x67,0x53,0,0x05, + 0x07,0x08,0x00,0x00,0x00,0x00,0x00,0x00, + 0x01,0x02,0x03,0x04,2,0,0,0, + 0xd4,0xe0,0x60,0xe5, + 1, + 0}; + +int compare_packet(const ogg_packet *op1, const ogg_packet *op2){ + if(op1->packet!=op2->packet){ + fprintf(stderr,"op1->packet != op2->packet\n"); + return(1); + } + if(op1->bytes!=op2->bytes){ + fprintf(stderr,"op1->bytes != op2->bytes\n"); + return(1); + } + if(op1->b_o_s!=op2->b_o_s){ + fprintf(stderr,"op1->b_o_s != op2->b_o_s\n"); + return(1); + } + if(op1->e_o_s!=op2->e_o_s){ + fprintf(stderr,"op1->e_o_s != op2->e_o_s\n"); + return(1); + } + if(op1->granulepos!=op2->granulepos){ + fprintf(stderr,"op1->granulepos != op2->granulepos\n"); + return(1); + } + if(op1->packetno!=op2->packetno){ + fprintf(stderr,"op1->packetno != op2->packetno\n"); + return(1); + } + return(0); +} + +void test_pack(const int *pl, const int **headers, int byteskip, + int pageskip, int packetskip){ + unsigned char *data=_ogg_malloc(1024*1024); /* for scripted test cases only */ + long inptr=0; + long outptr=0; + long deptr=0; + long depacket=0; + long granule_pos=7,pageno=0; + int i,j,packets,pageout=pageskip; + int eosflag=0; + int bosflag=0; + + int byteskipcount=0; + + ogg_stream_reset(&os_en); + ogg_stream_reset(&os_de); + ogg_sync_reset(&oy); + + for(packets=0;packets<packetskip;packets++) + depacket+=pl[packets]; + + for(packets=0;;packets++)if(pl[packets]==-1)break; + + for(i=0;i<packets;i++){ + /* construct a test packet */ + ogg_packet op; + int len=pl[i]; + + op.packet=data+inptr; + op.bytes=len; + op.e_o_s=(pl[i+1]<0?1:0); + op.granulepos=granule_pos; + + granule_pos+=1024; + + for(j=0;j<len;j++)data[inptr++]=i+j; + + /* submit the test packet */ + ogg_stream_packetin(&os_en,&op); + + /* retrieve any finished pages */ + { + ogg_page og; + + while(ogg_stream_pageout(&os_en,&og)){ + /* We have a page. Check it carefully */ + + fprintf(stderr,"%ld, ",pageno); + + if(headers[pageno]==NULL){ + fprintf(stderr,"coded too many pages!\n"); + exit(1); + } + + check_page(data+outptr,headers[pageno],&og); + + outptr+=og.body_len; + pageno++; + if(pageskip){ + bosflag=1; + pageskip--; + deptr+=og.body_len; + } + + /* have a complete page; submit it to sync/decode */ + + { + ogg_page og_de; + ogg_packet op_de,op_de2; + char *buf=ogg_sync_buffer(&oy,og.header_len+og.body_len); + char *next=buf; + byteskipcount+=og.header_len; + if(byteskipcount>byteskip){ + memcpy(next,og.header,byteskipcount-byteskip); + next+=byteskipcount-byteskip; + byteskipcount=byteskip; + } + + byteskipcount+=og.body_len; + if(byteskipcount>byteskip){ + memcpy(next,og.body,byteskipcount-byteskip); + next+=byteskipcount-byteskip; + byteskipcount=byteskip; + } + + ogg_sync_wrote(&oy,(long)(next-buf)); + + while(1){ + int ret=ogg_sync_pageout(&oy,&og_de); + if(ret==0)break; + if(ret<0)continue; + /* got a page. Happy happy. Verify that it's good. */ + + fprintf(stderr,"(%d), ",pageout); + + check_page(data+deptr,headers[pageout],&og_de); + deptr+=og_de.body_len; + pageout++; + + /* submit it to deconstitution */ + ogg_stream_pagein(&os_de,&og_de); + + /* packets out? */ + while(ogg_stream_packetpeek(&os_de,&op_de2)>0){ + ogg_stream_packetpeek(&os_de,NULL); + ogg_stream_packetout(&os_de,&op_de); /* just catching them all */ + + /* verify peek and out match */ + if(compare_packet(&op_de,&op_de2)){ + fprintf(stderr,"packetout != packetpeek! pos=%ld\n", + depacket); + exit(1); + } + + /* verify the packet! */ + /* check data */ + if(memcmp(data+depacket,op_de.packet,op_de.bytes)){ + fprintf(stderr,"packet data mismatch in decode! pos=%ld\n", + depacket); + exit(1); + } + /* check bos flag */ + if(bosflag==0 && op_de.b_o_s==0){ + fprintf(stderr,"b_o_s flag not set on packet!\n"); + exit(1); + } + if(bosflag && op_de.b_o_s){ + fprintf(stderr,"b_o_s flag incorrectly set on packet!\n"); + exit(1); + } + bosflag=1; + depacket+=op_de.bytes; + + /* check eos flag */ + if(eosflag){ + fprintf(stderr,"Multiple decoded packets with eos flag!\n"); + exit(1); + } + + if(op_de.e_o_s)eosflag=1; + + /* check granulepos flag */ + if(op_de.granulepos!=-1){ + fprintf(stderr," granule:%ld ",(long)op_de.granulepos); + } + } + } + } + } + } + } + _ogg_free(data); + if(headers[pageno]!=NULL){ + fprintf(stderr,"did not write last page!\n"); + exit(1); + } + if(headers[pageout]!=NULL){ + fprintf(stderr,"did not decode last page!\n"); + exit(1); + } + if(inptr!=outptr){ + fprintf(stderr,"encoded page data incomplete!\n"); + exit(1); + } + if(inptr!=deptr){ + fprintf(stderr,"decoded page data incomplete!\n"); + exit(1); + } + if(inptr!=depacket){ + fprintf(stderr,"decoded packet data incomplete!\n"); + exit(1); + } + if(!eosflag){ + fprintf(stderr,"Never got a packet with EOS set!\n"); + exit(1); + } + fprintf(stderr,"ok.\n"); +} + +int main(void){ + + ogg_stream_init(&os_en,0x04030201); + ogg_stream_init(&os_de,0x04030201); + ogg_sync_init(&oy); + + /* Exercise each code path in the framing code. Also verify that + the checksums are working. */ + + { + /* 17 only */ + const int packets[]={17, -1}; + const int *headret[]={head1_0,NULL}; + + fprintf(stderr,"testing single page encoding... "); + test_pack(packets,headret,0,0,0); + } + + { + /* 17, 254, 255, 256, 500, 510, 600 byte, pad */ + const int packets[]={17, 254, 255, 256, 500, 510, 600, -1}; + const int *headret[]={head1_1,head2_1,NULL}; + + fprintf(stderr,"testing basic page encoding... "); + test_pack(packets,headret,0,0,0); + } + + { + /* nil packets; beginning,middle,end */ + const int packets[]={0,17, 254, 255, 0, 256, 0, 500, 510, 600, 0, -1}; + const int *headret[]={head1_2,head2_2,NULL}; + + fprintf(stderr,"testing basic nil packets... "); + test_pack(packets,headret,0,0,0); + } + + { + /* large initial packet */ + const int packets[]={4345,259,255,-1}; + const int *headret[]={head1_3,head2_3,NULL}; + + fprintf(stderr,"testing initial-packet lacing > 4k... "); + test_pack(packets,headret,0,0,0); + } + + { + /* continuing packet test; with page spill expansion, we have to + overflow the lacing table. */ + const int packets[]={0,65500,259,255,-1}; + const int *headret[]={head1_4,head2_4,head3_4,NULL}; + + fprintf(stderr,"testing single packet page span... "); + test_pack(packets,headret,0,0,0); + } + + { + /* spill expand packet test */ + const int packets[]={0,4345,259,255,0,0,-1}; + const int *headret[]={head1_4b,head2_4b,head3_4b,NULL}; + + fprintf(stderr,"testing page spill expansion... "); + test_pack(packets,headret,0,0,0); + } + + /* page with the 255 segment limit */ + { + + const int packets[]={0,10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,10, + 10,10,10,10,10,10,10,50,-1}; + const int *headret[]={head1_5,head2_5,head3_5,NULL}; + + fprintf(stderr,"testing max packet segments... "); + test_pack(packets,headret,0,0,0); + } + + { + /* packet that overspans over an entire page */ + const int packets[]={0,100,130049,259,255,-1}; + const int *headret[]={head1_6,head2_6,head3_6,head4_6,NULL}; + + fprintf(stderr,"testing very large packets... "); + test_pack(packets,headret,0,0,0); + } + +#ifndef DISABLE_CRC + { + /* test for the libogg 1.1.1 resync in large continuation bug + found by Josh Coalson) */ + const int packets[]={0,100,130049,259,255,-1}; + const int *headret[]={head1_6,head2_6,head3_6,head4_6,NULL}; + + fprintf(stderr,"testing continuation resync in very large packets... "); + test_pack(packets,headret,100,2,3); + } +#else + fprintf(stderr,"Skipping continuation resync test due to --disable-crc\n"); +#endif + + { + /* term only page. why not? */ + const int packets[]={0,100,64770,-1}; + const int *headret[]={head1_7,head2_7,head3_7,NULL}; + + fprintf(stderr,"testing zero data page (1 nil packet)... "); + test_pack(packets,headret,0,0,0); + } + + + + { + /* build a bunch of pages for testing */ + unsigned char *data=_ogg_malloc(1024*1024); + int pl[]={0, 1,1,98,4079, 1,1,2954,2057, 76,34,912,0,234,1000,1000, 1000,300,-1}; + int inptr=0,i,j; + ogg_page og[5]; + + ogg_stream_reset(&os_en); + + for(i=0;pl[i]!=-1;i++){ + ogg_packet op; + int len=pl[i]; + + op.packet=data+inptr; + op.bytes=len; + op.e_o_s=(pl[i+1]<0?1:0); + op.granulepos=(i+1)*1000; + + for(j=0;j<len;j++)data[inptr++]=i+j; + ogg_stream_packetin(&os_en,&op); + } + + _ogg_free(data); + + /* retrieve finished pages */ + for(i=0;i<5;i++){ + if(ogg_stream_pageout(&os_en,&og[i])==0){ + fprintf(stderr,"Too few pages output building sync tests!\n"); + exit(1); + } + copy_page(&og[i]); + } + + /* Test lost pages on pagein/packetout: no rollback */ + { + ogg_page temp; + ogg_packet test; + + fprintf(stderr,"Testing loss of pages... "); + + ogg_sync_reset(&oy); + ogg_stream_reset(&os_de); + for(i=0;i<5;i++){ + memcpy(ogg_sync_buffer(&oy,og[i].header_len),og[i].header, + og[i].header_len); + ogg_sync_wrote(&oy,og[i].header_len); + memcpy(ogg_sync_buffer(&oy,og[i].body_len),og[i].body,og[i].body_len); + ogg_sync_wrote(&oy,og[i].body_len); + } + + ogg_sync_pageout(&oy,&temp); + ogg_stream_pagein(&os_de,&temp); + ogg_sync_pageout(&oy,&temp); + ogg_stream_pagein(&os_de,&temp); + ogg_sync_pageout(&oy,&temp); + /* skip */ + ogg_sync_pageout(&oy,&temp); + ogg_stream_pagein(&os_de,&temp); + + /* do we get the expected results/packets? */ + + if(ogg_stream_packetout(&os_de,&test)!=1)error(); + checkpacket(&test,0,0,0); + if(ogg_stream_packetout(&os_de,&test)!=1)error(); + checkpacket(&test,1,1,-1); + if(ogg_stream_packetout(&os_de,&test)!=1)error(); + checkpacket(&test,1,2,-1); + if(ogg_stream_packetout(&os_de,&test)!=1)error(); + checkpacket(&test,98,3,-1); + if(ogg_stream_packetout(&os_de,&test)!=1)error(); + checkpacket(&test,4079,4,5000); + if(ogg_stream_packetout(&os_de,&test)!=-1){ + fprintf(stderr,"Error: loss of page did not return error\n"); + exit(1); + } + if(ogg_stream_packetout(&os_de,&test)!=1)error(); + checkpacket(&test,76,9,-1); + if(ogg_stream_packetout(&os_de,&test)!=1)error(); + checkpacket(&test,34,10,-1); + fprintf(stderr,"ok.\n"); + } + + /* Test lost pages on pagein/packetout: rollback with continuation */ + { + ogg_page temp; + ogg_packet test; + + fprintf(stderr,"Testing loss of pages (rollback required)... "); + + ogg_sync_reset(&oy); + ogg_stream_reset(&os_de); + for(i=0;i<5;i++){ + memcpy(ogg_sync_buffer(&oy,og[i].header_len),og[i].header, + og[i].header_len); + ogg_sync_wrote(&oy,og[i].header_len); + memcpy(ogg_sync_buffer(&oy,og[i].body_len),og[i].body,og[i].body_len); + ogg_sync_wrote(&oy,og[i].body_len); + } + + ogg_sync_pageout(&oy,&temp); + ogg_stream_pagein(&os_de,&temp); + ogg_sync_pageout(&oy,&temp); + ogg_stream_pagein(&os_de,&temp); + ogg_sync_pageout(&oy,&temp); + ogg_stream_pagein(&os_de,&temp); + ogg_sync_pageout(&oy,&temp); + /* skip */ + ogg_sync_pageout(&oy,&temp); + ogg_stream_pagein(&os_de,&temp); + + /* do we get the expected results/packets? */ + + if(ogg_stream_packetout(&os_de,&test)!=1)error(); + checkpacket(&test,0,0,0); + if(ogg_stream_packetout(&os_de,&test)!=1)error(); + checkpacket(&test,1,1,-1); + if(ogg_stream_packetout(&os_de,&test)!=1)error(); + checkpacket(&test,1,2,-1); + if(ogg_stream_packetout(&os_de,&test)!=1)error(); + checkpacket(&test,98,3,-1); + if(ogg_stream_packetout(&os_de,&test)!=1)error(); + checkpacket(&test,4079,4,5000); + if(ogg_stream_packetout(&os_de,&test)!=1)error(); + checkpacket(&test,1,5,-1); + if(ogg_stream_packetout(&os_de,&test)!=1)error(); + checkpacket(&test,1,6,-1); + if(ogg_stream_packetout(&os_de,&test)!=1)error(); + checkpacket(&test,2954,7,-1); + if(ogg_stream_packetout(&os_de,&test)!=1)error(); + checkpacket(&test,2057,8,9000); + if(ogg_stream_packetout(&os_de,&test)!=-1){ + fprintf(stderr,"Error: loss of page did not return error\n"); + exit(1); + } + if(ogg_stream_packetout(&os_de,&test)!=1)error(); + checkpacket(&test,300,17,18000); + fprintf(stderr,"ok.\n"); + } + + /* the rest only test sync */ + { + ogg_page og_de; + /* Test fractional page inputs: incomplete capture */ + fprintf(stderr,"Testing sync on partial inputs... "); + ogg_sync_reset(&oy); + memcpy(ogg_sync_buffer(&oy,og[1].header_len),og[1].header, + 3); + ogg_sync_wrote(&oy,3); + if(ogg_sync_pageout(&oy,&og_de)>0)error(); + + /* Test fractional page inputs: incomplete fixed header */ + memcpy(ogg_sync_buffer(&oy,og[1].header_len),og[1].header+3, + 20); + ogg_sync_wrote(&oy,20); + if(ogg_sync_pageout(&oy,&og_de)>0)error(); + + /* Test fractional page inputs: incomplete header */ + memcpy(ogg_sync_buffer(&oy,og[1].header_len),og[1].header+23, + 5); + ogg_sync_wrote(&oy,5); + if(ogg_sync_pageout(&oy,&og_de)>0)error(); + + /* Test fractional page inputs: incomplete body */ + + memcpy(ogg_sync_buffer(&oy,og[1].header_len),og[1].header+28, + og[1].header_len-28); + ogg_sync_wrote(&oy,og[1].header_len-28); + if(ogg_sync_pageout(&oy,&og_de)>0)error(); + + memcpy(ogg_sync_buffer(&oy,og[1].body_len),og[1].body,1000); + ogg_sync_wrote(&oy,1000); + if(ogg_sync_pageout(&oy,&og_de)>0)error(); + + memcpy(ogg_sync_buffer(&oy,og[1].body_len),og[1].body+1000, + og[1].body_len-1000); + ogg_sync_wrote(&oy,og[1].body_len-1000); + if(ogg_sync_pageout(&oy,&og_de)<=0)error(); + + fprintf(stderr,"ok.\n"); + } + + /* Test fractional page inputs: page + incomplete capture */ + { + ogg_page og_de; + fprintf(stderr,"Testing sync on 1+partial inputs... "); + ogg_sync_reset(&oy); + + memcpy(ogg_sync_buffer(&oy,og[1].header_len),og[1].header, + og[1].header_len); + ogg_sync_wrote(&oy,og[1].header_len); + + memcpy(ogg_sync_buffer(&oy,og[1].body_len),og[1].body, + og[1].body_len); + ogg_sync_wrote(&oy,og[1].body_len); + + memcpy(ogg_sync_buffer(&oy,og[1].header_len),og[1].header, + 20); + ogg_sync_wrote(&oy,20); + if(ogg_sync_pageout(&oy,&og_de)<=0)error(); + if(ogg_sync_pageout(&oy,&og_de)>0)error(); + + memcpy(ogg_sync_buffer(&oy,og[1].header_len),og[1].header+20, + og[1].header_len-20); + ogg_sync_wrote(&oy,og[1].header_len-20); + memcpy(ogg_sync_buffer(&oy,og[1].body_len),og[1].body, + og[1].body_len); + ogg_sync_wrote(&oy,og[1].body_len); + if(ogg_sync_pageout(&oy,&og_de)<=0)error(); + + fprintf(stderr,"ok.\n"); + } + + /* Test recapture: garbage + page */ + { + ogg_page og_de; + fprintf(stderr,"Testing search for capture... "); + ogg_sync_reset(&oy); + + /* 'garbage' */ + memcpy(ogg_sync_buffer(&oy,og[1].body_len),og[1].body, + og[1].body_len); + ogg_sync_wrote(&oy,og[1].body_len); + + memcpy(ogg_sync_buffer(&oy,og[1].header_len),og[1].header, + og[1].header_len); + ogg_sync_wrote(&oy,og[1].header_len); + + memcpy(ogg_sync_buffer(&oy,og[1].body_len),og[1].body, + og[1].body_len); + ogg_sync_wrote(&oy,og[1].body_len); + + memcpy(ogg_sync_buffer(&oy,og[2].header_len),og[2].header, + 20); + ogg_sync_wrote(&oy,20); + if(ogg_sync_pageout(&oy,&og_de)>0)error(); + if(ogg_sync_pageout(&oy,&og_de)<=0)error(); + if(ogg_sync_pageout(&oy,&og_de)>0)error(); + + memcpy(ogg_sync_buffer(&oy,og[2].header_len),og[2].header+20, + og[2].header_len-20); + ogg_sync_wrote(&oy,og[2].header_len-20); + memcpy(ogg_sync_buffer(&oy,og[2].body_len),og[2].body, + og[2].body_len); + ogg_sync_wrote(&oy,og[2].body_len); + if(ogg_sync_pageout(&oy,&og_de)<=0)error(); + + fprintf(stderr,"ok.\n"); + } + +#ifndef DISABLE_CRC + /* Test recapture: page + garbage + page */ + { + ogg_page og_de; + fprintf(stderr,"Testing recapture... "); + ogg_sync_reset(&oy); + + memcpy(ogg_sync_buffer(&oy,og[1].header_len),og[1].header, + og[1].header_len); + ogg_sync_wrote(&oy,og[1].header_len); + + memcpy(ogg_sync_buffer(&oy,og[1].body_len),og[1].body, + og[1].body_len); + ogg_sync_wrote(&oy,og[1].body_len); + + memcpy(ogg_sync_buffer(&oy,og[2].header_len),og[2].header, + og[2].header_len); + ogg_sync_wrote(&oy,og[2].header_len); + + memcpy(ogg_sync_buffer(&oy,og[2].header_len),og[2].header, + og[2].header_len); + ogg_sync_wrote(&oy,og[2].header_len); + + if(ogg_sync_pageout(&oy,&og_de)<=0)error(); + + memcpy(ogg_sync_buffer(&oy,og[2].body_len),og[2].body, + og[2].body_len-5); + ogg_sync_wrote(&oy,og[2].body_len-5); + + memcpy(ogg_sync_buffer(&oy,og[3].header_len),og[3].header, + og[3].header_len); + ogg_sync_wrote(&oy,og[3].header_len); + + memcpy(ogg_sync_buffer(&oy,og[3].body_len),og[3].body, + og[3].body_len); + ogg_sync_wrote(&oy,og[3].body_len); + + if(ogg_sync_pageout(&oy,&og_de)>0)error(); + if(ogg_sync_pageout(&oy,&og_de)<=0)error(); + + fprintf(stderr,"ok.\n"); + } +#else + fprintf(stderr,"Skipping recapture test due to --disable-crc\n"); +#endif + + /* Free page data that was previously copied */ + { + for(i=0;i<5;i++){ + free_page(&og[i]); + } + } + } + ogg_sync_clear(&oy); + ogg_stream_clear(&os_en); + ogg_stream_clear(&os_de); + + return(0); +} + +#endif |