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+ +

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you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1, + * or (at your option) any later version. + * + * librtmp is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with librtmp see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * http://www.gnu.org/copyleft/lgpl.html + */ + +/* This file is #included in rtmp.c, it is not meant to be compiled alone */ + +#ifndef _RTMP_VIDEO_H +#define _RTMP_VIDEO_H + +#include +#include + +#if OPENSSL_VERSION_NUMBER < 0x0090800 || !defined(SHA256_DIGEST_LENGTH) +#error Your OpenSSL is too old, need 0.9.8 or newer with SHA256 +#endif +#define HMAC_setup(ctx, key, len) HMAC_CTX_init(&ctx); HMAC_Init_ex(&ctx, key, len, EVP_sha256(), 0) +#define HMAC_crunch(ctx, buf, len) HMAC_Update(&ctx, buf, len) +#define HMAC_finish(ctx, dig, dlen) HMAC_Final(&ctx, dig, &dlen); HMAC_CTX_cleanup(&ctx) + +#define FP10 +#define RTMP_SIG_SIZE 1536 + +static const uint8_t GenuineFMSKey[] = { + 0x47, 0x65, 0x6e, 0x75, 0x69, 0x6e, 0x65, 0x20, 0x41, 0x64, 0x6f, 0x62, + 0x65, 0x20, 0x46, 0x6c, + 0x61, 0x73, 0x68, 0x20, 0x4d, 0x65, 0x64, 0x69, 0x61, 0x20, 0x53, 0x65, + 0x72, 0x76, 0x65, 0x72, + 0x20, 0x30, 0x30, 0x31, /* Genuine Adobe Flash Media Server 001 */ + + 0xf0, 0xee, 0xc2, 0x4a, 0x80, 0x68, 0xbe, 0xe8, 0x2e, 0x00, 0xd0, 0xd1, + 0x02, 0x9e, 0x7e, 0x57, 0x6e, 0xec, 0x5d, 0x2d, 0x29, 0x80, 0x6f, 0xab, + 0x93, 0xb8, 0xe6, 0x36, + 0xcf, 0xeb, 0x31, 0xae +}; /* 68 */ + +static const uint8_t GenuineFPKey[] = { + 0x47, 0x65, 0x6E, 0x75, 0x69, 0x6E, 0x65, 0x20, 0x41, 0x64, 0x6F, 0x62, + 0x65, 0x20, 0x46, 0x6C, + 0x61, 0x73, 0x68, 0x20, 0x50, 0x6C, 0x61, 0x79, 0x65, 0x72, 0x20, 0x30, + 0x30, 0x31, /* Genuine Adobe Flash Player 001 */ + 0xF0, 0xEE, + 0xC2, 0x4A, 0x80, 0x68, 0xBE, 0xE8, 0x2E, 0x00, 0xD0, 0xD1, 0x02, 0x9E, + 0x7E, 0x57, 0x6E, 0xEC, + 0x5D, 0x2D, 0x29, 0x80, 0x6F, 0xAB, 0x93, 0xB8, 0xE6, 0x36, 0xCF, 0xEB, + 0x31, 0xAE +}; /* 62 */ + +typedef unsigned int (getoff)(uint8_t *buf, unsigned int len); + +typedef enum { + RTMP_LOGCRIT=0, + RTMP_LOGERROR, + RTMP_LOGWARNING, + RTMP_LOGINFO, + RTMP_LOGDEBUG, + RTMP_LOGDEBUG2, + RTMP_LOGALL +} RTMP_LogLevel; + +void RTMP_Log(int level, const char *format, ...) +{ +} + +void RTMP_LogHex(int level, const uint8_t *data, unsigned long len) +{ +} + +static unsigned int GetDigestOffset2(uint8_t *handshake, unsigned int len) +{ + unsigned int offset = 0; + uint8_t *ptr = handshake + 772; + unsigned int res; + + offset += (*ptr); + ptr++; + offset += (*ptr); + ptr++; + offset += (*ptr); + ptr++; + offset += (*ptr); + + res = (offset % 728) + 776; + + if (res + 32 > 1535) { + RTMP_Log(RTMP_LOGERROR, "%s: Couldn't calculate correct digest offset (got %d), exiting", __FUNCTION__, res); + } + return res; +} + +static unsigned int GetDigestOffset1(uint8_t *handshake, unsigned int len) +{ + unsigned int offset = 0; + uint8_t *ptr = handshake + 8; + unsigned int res; + + assert(12 <= len); + + offset += (*ptr); + ptr++; + offset += (*ptr); + ptr++; + offset += (*ptr); + ptr++; + offset += (*ptr); + + res = (offset % 728) + 12; + + if (res + 32 > 771) { + RTMP_Log(RTMP_LOGERROR, + "%s: Couldn't calculate digest offset (got %d), exiting!", + __FUNCTION__, res); + } + + return res; +} + +static getoff *digoff[] = {GetDigestOffset1, GetDigestOffset2}; +// static getoff *dhoff[] = {GetDHOffset1, GetDHOffset2}; + +static void HMACsha256(const uint8_t *message, size_t messageLen, const uint8_t *key, size_t keylen, uint8_t *digest) +{ + unsigned int digestLen; + HMAC_CTX ctx; + + HMAC_setup(ctx, key, keylen); + HMAC_crunch(ctx, message, messageLen); + HMAC_finish(ctx, digest, digestLen); + + assert(digestLen == 32); +} + +static void CalculateDigest(unsigned int digestPos, uint8_t *handshakeMessage, const uint8_t *key, size_t keyLen, uint8_t *digest) +{ + const int messageLen = RTMP_SIG_SIZE - SHA256_DIGEST_LENGTH; + uint8_t message[RTMP_SIG_SIZE - SHA256_DIGEST_LENGTH]; + + memcpy(message, handshakeMessage, digestPos); + memcpy(message + digestPos, + &handshakeMessage[digestPos + SHA256_DIGEST_LENGTH], + messageLen - digestPos); + + HMACsha256(message, messageLen, key, keyLen, digest); +} + +static int VerifyDigest(unsigned int digestPos, uint8_t *handshakeMessage, const uint8_t *key, size_t keyLen) +{ + uint8_t calcDigest[SHA256_DIGEST_LENGTH]; + + CalculateDigest(digestPos, handshakeMessage, key, keyLen, calcDigest); + + return memcmp(&handshakeMessage[digestPos], calcDigest, SHA256_DIGEST_LENGTH) == 0; +} + +/* handshake +* +* Type = [1 bytes] plain: 0x03, encrypted: 0x06, 0x08, 0x09 +* -------------------------------------------------------------------- [1536 bytes] +* Uptime = [4 bytes] big endian unsigned number, uptime +* Version = [4 bytes] each byte represents a version number, e.g. 9.0.124.0 +* ... +* +*/ + +static const uint32_t rtmpe8_keys[16][4] = { + {0xbff034b2, 0x11d9081f, 0xccdfb795, 0x748de732}, + {0x086a5eb6, 0x1743090e, 0x6ef05ab8, 0xfe5a39e2}, + {0x7b10956f, 0x76ce0521, 0x2388a73a, 0x440149a1}, + {0xa943f317, 0xebf11bb2, 0xa691a5ee, 0x17f36339}, + {0x7a30e00a, 0xb529e22c, 0xa087aea5, 0xc0cb79ac}, + {0xbdce0c23, 0x2febdeff, 0x1cfaae16, 0x1123239d}, + {0x55dd3f7b, 0x77e7e62e, 0x9bb8c499, 0xc9481ee4}, + {0x407bb6b4, 0x71e89136, 0xa7aebf55, 0xca33b839}, + {0xfcf6bdc3, 0xb63c3697, 0x7ce4f825, 0x04d959b2}, + {0x28e091fd, 0x41954c4c, 0x7fb7db00, 0xe3a066f8}, + {0x57845b76, 0x4f251b03, 0x46d45bcd, 0xa2c30d29}, + {0x0acceef8, 0xda55b546, 0x03473452, 0x5863713b}, + {0xb82075dc, 0xa75f1fee, 0xd84268e8, 0xa72a44cc}, + {0x07cf6e9e, 0xa16d7b25, 0x9fa7ae6c, 0xd92f5629}, + {0xfeb1eae4, 0x8c8c3ce1, 0x4e0064a7, 0x6a387c2a}, + {0x893a9427, 0xcc3013a2, 0xf106385b, 0xa829f927} +}; + +/* RTMPE type 8 uses XTEA on the regular signature +* http://en.wikipedia.org/wiki/XTEA +*/ +static void rtmpe8_sig(uint8_t *in, uint8_t *out, int keyid) +{ + unsigned int i, num_rounds = 32; + uint32_t v0, v1, sum=0, delta=0x9E3779B9; + uint32_t const *k; + + v0 = in[0] | (in[1] << 8) | (in[2] << 16) | (in[3] << 24); + v1 = in[4] | (in[5] << 8) | (in[6] << 16) | (in[7] << 24); + k = rtmpe8_keys[keyid]; + + for (i=0; i < num_rounds; i++) { + v0 += (((v1 << 4) ^ (v1 >> 5)) + v1) ^ (sum + k[sum & 3]); + sum += delta; + v1 += (((v0 << 4) ^ (v0 >> 5)) + v0) ^ (sum + k[(sum>>11) & 3]); + } + + out[0] = v0; v0 >>= 8; + out[1] = v0; v0 >>= 8; + out[2] = v0; v0 >>= 8; + out[3] = v0; + + out[4] = v1; v1 >>= 8; + out[5] = v1; v1 >>= 8; + out[6] = v1; v1 >>= 8; + out[7] = v1; +} + +/* RTMPE type 9 uses Blowfish on the regular signature +* http://en.wikipedia.org/wiki/Blowfish_(cipher) +*/ +#define BF_ROUNDS 16 +typedef struct bf_key { + uint32_t s[4][256]; + uint32_t p[BF_ROUNDS+2]; +} bf_key; + +static const uint32_t bf_sinit[][256] = { + /* S-Box 0 */ + { 0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7, 0xb8e1afed, 0x6a267e96, + 0xba7c9045, 0xf12c7f99, 0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16, + 0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e, 0x0d95748f, 0x728eb658, + 0x718bcd58, 0x82154aee, 0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013, + 0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef, 0x8e79dcb0, 0x603a180e, + 0x6c9e0e8b, 0xb01e8a3e, 0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60, + 0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440, 0x55ca396a, 0x2aab10b6, + 0xb4cc5c34, 0x1141e8ce, 0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a, + 0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e, 0xafd6ba33, 0x6c24cf5c, + 0x7a325381, 0x28958677, 0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193, + 0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032, 0xef845d5d, 0xe98575b1, + 0xdc262302, 0xeb651b88, 0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239, + 0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e, 0x21c66842, 0xf6e96c9a, + 0x670c9c61, 0xabd388f0, 0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3, + 0x6eef0b6c, 0x137a3be4, 0xba3bf050, 0x7efb2a98, 0xa1f1651d, 0x39af0176, + 0x66ca593e, 0x82430e88, 0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe, + 0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6, 0x4ed3aa62, 0x363f7706, + 0x1bfedf72, 0x429b023d, 0x37d0d724, 0xd00a1248, 0xdb0fead3, 0x49f1c09b, + 0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7, 0xe3fe501a, 0xb6794c3b, + 0x976ce0bd, 0x04c006ba, 0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463, + 0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f, 0x6dfc511f, 0x9b30952c, + 0xcc814544, 0xaf5ebd09, 0xbee3d004, 0xde334afd, 0x660f2807, 0x192e4bb3, + 0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb, 0x5579c0bd, 0x1a60320a, + 0xd6a100c6, 0x402c7279, 0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8, + 0x3c7516df, 0xfd616b15, 0x2f501ec8, 0xad0552ab, 0x323db5fa, 0xfd238760, + 0x53317b48, 0x3e00df82, 0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, 0xdf1769db, + 0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573, 0x695b27b0, 0xbbca58c8, + 0xe1ffa35d, 0xb8f011a0, 0x10fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2dd1d35b, + 0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790, 0xe1ddf2da, 0xa4cb7e33, + 0x62fb1341, 0xcee4c6e8, 0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4, + 0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0, 0xd08ed1d0, 0xafc725e0, + 0x8e3c5b2f, 0x8e7594b7, 0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c, + 0x4fad5ea0, 0x688fc31c, 0xd1cff191, 0xb3a8c1ad, 0x2f2f2218, 0xbe0e1777, + 0xea752dfe, 0x8b021fa1, 0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299, + 0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9, 0x165fa266, 0x80957705, + 0x93cc7314, 0x211a1477, 0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf, + 0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49, 0x00250e2d, 0x2071b35e, + 0x226800bb, 0x57b8e0af, 0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa, + 0x78c14389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5, 0x83260376, 0x6295cfa9, + 0x11c81968, 0x4e734a41, 0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915, + 0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400, 0x08ba6fb5, 0x571be91f, + 0xf296ec6b, 0x2a0dd915, 0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664, + 0x53b02d5d, 0xa99f8fa1, 0x08ba4799, 0x6e85076a, }, + + /* S-Box 1 */ + { 0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623, 0xad6ea6b0, 0x49a7df7d, + 0x9cee60b8, 0x8fedb266, 0xecaa8c71, 0x699a17ff, 0x5664526c, 0xc2b19ee1, + 0x193602a5, 0x75094c29, 0xa0591340, 0xe4183a3e, 0x3f54989a, 0x5b429d65, + 0x6b8fe4d6, 0x99f73fd6, 0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1, + 0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e, 0x09686b3f, 0x3ebaefc9, + 0x3c971814, 0x6b6a70a1, 0x687f3584, 0x52a0e286, 0xb79c5305, 0xaa500737, + 0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, 0x5716f2b8, 0xb03ada37, 0xf0500c0d, + 0xf01c1f04, 0x0200b3ff, 0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd, + 0xd19113f9, 0x7ca92ff6, 0x94324773, 0x22f54701, 0x3ae5e581, 0x37c2dadc, + 0xc8b57634, 0x9af3dda7, 0xa9446146, 0x0fd0030e, 0xecc8c73e, 0xa4751e41, + 0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331, 0x4e548b38, 0x4f6db908, + 0x6f420d03, 0xf60a04bf, 0x2cb81290, 0x24977c79, 0x5679b072, 0xbcaf89af, + 0xde9a771f, 0xd9930810, 0xb38bae12, 0xdccf3f2e, 0x5512721f, 0x2e6b7124, + 0x501adde6, 0x9f84cd87, 0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c, + 0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2, 0xef1c1847, 0x3215d908, + 0xdd433b37, 0x24c2ba16, 0x12a14d43, 0x2a65c451, 0x50940002, 0x133ae4dd, + 0x71dff89e, 0x10314e55, 0x81ac77d6, 0x5f11199b, 0x043556f1, 0xd7a3c76b, + 0x3c11183b, 0x5924a509, 0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e, + 0x86e34570, 0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3, 0x771fe71c, 0x4e3d06fa, + 0x2965dcb9, 0x99e71d0f, 0x803e89d6, 0x5266c825, 0x2e4cc978, 0x9c10b36a, + 0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4, 0xf2f74ea7, 0x361d2b3d, + 0x1939260f, 0x19c27960, 0x5223a708, 0xf71312b6, 0xebadfe6e, 0xeac31f66, + 0xe3bc4595, 0xa67bc883, 0xb17f37d1, 0x018cff28, 0xc332ddef, 0xbe6c5aa5, + 0x65582185, 0x68ab9802, 0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84, + 0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510, 0x13cca830, 0xeb61bd96, + 0x0334fe1e, 0xaa0363cf, 0xb5735c90, 0x4c70a239, 0xd59e9e0b, 0xcbaade14, + 0xeecc86bc, 0x60622ca7, 0x9cab5cab, 0xb2f3846e, 0x648b1eaf, 0x19bdf0ca, + 0xa02369b9, 0x655abb50, 0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7, + 0x9b540b19, 0x875fa099, 0x95f7997e, 0x623d7da8, 0xf837889a, 0x97e32d77, + 0x11ed935f, 0x16681281, 0x0e358829, 0xc7e61fd6, 0x96dedfa1, 0x7858ba99, + 0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696, 0xcdb30aeb, 0x532e3054, + 0x8fd948e4, 0x6dbc3128, 0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, 0xee7c3c73, + 0x5d4a14d9, 0xe864b7e3, 0x42105d14, 0x203e13e0, 0x45eee2b6, 0xa3aaabea, + 0xdb6c4f15, 0xfacb4fd0, 0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105, + 0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250, 0xcf62a1f2, 0x5b8d2646, + 0xfc8883a0, 0xc1c7b6a3, 0x7f1524c3, 0x69cb7492, 0x47848a0b, 0x5692b285, + 0x095bbf00, 0xad19489d, 0x1462b174, 0x23820e00, 0x58428d2a, 0x0c55f5ea, + 0x1dadf43e, 0x233f7061, 0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb, + 0x7cde3759, 0xcbee7460, 0x4085f2a7, 0xce77326e, 0xa6078084, 0x19f8509e, + 0xe8efd855, 0x61d99735, 0xa969a7aa, 0xc50c06c2, 0x5a04abfc, 0x800bcadc, + 0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9, 0xdb73dbd3, 0x105588cd, + 0x675fda79, 0xe3674340, 0xc5c43465, 0x713e38d8, 0x3d28f89e, 0xf16dff20, + 0x153e21e7, 0x8fb03d4a, 0xe6e39f2b, 0xdb83adf7, }, + + /* S-Box 2 */ + { 0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934, 0x411520f7, 0x7602d4f7, + 0xbcf46b2e, 0xd4a20068, 0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af, + 0x1e39f62e, 0x97244546, 0x14214f74, 0xbf8b8840, 0x4d95fc1d, 0x96b591af, + 0x70f4ddd3, 0x66a02f45, 0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504, + 0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a, 0x28507825, 0x530429f4, + 0x0a2c86da, 0xe9b66dfb, 0x68dc1462, 0xd7486900, 0x680ec0a4, 0x27a18dee, + 0x4f3ffea2, 0xe887ad8c, 0xb58ce006, 0x7af4d6b6, 0xaace1e7c, 0xd3375fec, + 0xce78a399, 0x406b2a42, 0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b, + 0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2, 0x3a6efa74, 0xdd5b4332, + 0x6841e7f7, 0xca7820fb, 0xfb0af54e, 0xd8feb397, 0x454056ac, 0xba489527, + 0x55533a3a, 0x20838d87, 0xfe6ba9b7, 0xd096954b, 0x55a867bc, 0xa1159a58, + 0xcca92963, 0x99e1db33, 0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c, + 0xfdf8e802, 0x04272f70, 0x80bb155c, 0x05282ce3, 0x95c11548, 0xe4c66d22, + 0x48c1133f, 0xc70f86dc, 0x07f9c9ee, 0x41041f0f, 0x404779a4, 0x5d886e17, + 0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564, 0x257b7834, 0x602a9c60, + 0xdff8e8a3, 0x1f636c1b, 0x0e12b4c2, 0x02e1329e, 0xaf664fd1, 0xcad18115, + 0x6b2395e0, 0x333e92e1, 0x3b240b62, 0xeebeb922, 0x85b2a20e, 0xe6ba0d99, + 0xde720c8c, 0x2da2f728, 0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0, + 0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e, 0x0a476341, 0x992eff74, + 0x3a6f6eab, 0xf4f8fd37, 0xa812dc60, 0xa1ebddf8, 0x991be14c, 0xdb6e6b0d, + 0xc67b5510, 0x6d672c37, 0x2765d43b, 0xdcd0e804, 0xf1290dc7, 0xcc00ffa3, + 0xb5390f92, 0x690fed0b, 0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3, + 0xbb132f88, 0x515bad24, 0x7b9479bf, 0x763bd6eb, 0x37392eb3, 0xcc115979, + 0x8026e297, 0xf42e312d, 0x6842ada7, 0xc66a2b3b, 0x12754ccc, 0x782ef11c, + 0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350, 0x1a6b1018, 0x11caedfa, + 0x3d25bdd8, 0xe2e1c3c9, 0x44421659, 0x0a121386, 0xd90cec6e, 0xd5abea2a, + 0x64af674e, 0xda86a85f, 0xbebfe988, 0x64e4c3fe, 0x9dbc8057, 0xf0f7c086, + 0x60787bf8, 0x6003604d, 0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc, + 0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f, 0x77a057be, 0xbde8ae24, + 0x55464299, 0xbf582e61, 0x4e58f48f, 0xf2ddfda2, 0xf474ef38, 0x8789bdc2, + 0x5366f9c3, 0xc8b38e74, 0xb475f255, 0x46fcd9b9, 0x7aeb2661, 0x8b1ddf84, + 0x846a0e79, 0x915f95e2, 0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c, + 0xb90bace1, 0xbb8205d0, 0x11a86248, 0x7574a99e, 0xb77f19b6, 0xe0a9dc09, + 0x662d09a1, 0xc4324633, 0xe85a1f02, 0x09f0be8c, 0x4a99a025, 0x1d6efe10, + 0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169, 0xdcb7da83, 0x573906fe, + 0xa1e2ce9b, 0x4fcd7f52, 0x50115e01, 0xa70683fa, 0xa002b5c4, 0x0de6d027, + 0x9af88c27, 0x773f8641, 0xc3604c06, 0x61a806b5, 0xf0177a28, 0xc0f586e0, + 0x006058aa, 0x30dc7d62, 0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634, + 0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76, 0x6f05e409, 0x4b7c0188, + 0x39720a3d, 0x7c927c24, 0x86e3725f, 0x724d9db9, 0x1ac15bb4, 0xd39eb8fc, + 0xed545578, 0x08fca5b5, 0xd83d7cd3, 0x4dad0fc4, 0x1e50ef5e, 0xb161e6f8, + 0xa28514d9, 0x6c51133c, 0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837, + 0xd79a3234, 0x92638212, 0x670efa8e, 0x406000e0, }, + + /* S-Box 3 */ + { 0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52d1b, 0x5cb0679e, 0x4fa33742, + 0xd3822740, 0x99bc9bbe, 0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b, + 0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4, 0x5748ab2f, 0xbc946e79, + 0xc6a376d2, 0x6549c2c8, 0x530ff8ee, 0x468dde7d, 0xd5730a1d, 0x4cd04dc6, + 0x2939bbdb, 0xa9ba4650, 0xac9526e8, 0xbe5ee304, 0xa1fad5f0, 0x6a2d519a, + 0x63ef8ce2, 0x9a86ee22, 0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4, + 0x83c061ba, 0x9be96a4d, 0x8fe51550, 0xba645bd6, 0x2826a2f9, 0xa73a3ae1, + 0x4ba99586, 0xef5562e9, 0xc72fefd3, 0xf752f7da, 0x3f046f69, 0x77fa0a59, + 0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593, 0xe990fd5a, 0x9e34d797, + 0x2cf0b7d9, 0x022b8b51, 0x96d5ac3a, 0x017da67d, 0xd1cf3ed6, 0x7c7d2d28, + 0x1f9f25cf, 0xadf2b89b, 0x5ad6b472, 0x5a88f54c, 0xe029ac71, 0xe019a5e6, + 0x47b0acfd, 0xed93fa9b, 0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28, + 0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c, 0x15056dd4, 0x88f46dba, + 0x03a16125, 0x0564f0bd, 0xc3eb9e15, 0x3c9057a2, 0x97271aec, 0xa93a072a, + 0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb, 0x26dcf319, 0x7533d928, 0xb155fdf5, + 0x03563482, 0x8aba3cbb, 0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f, + 0x4de81751, 0x3830dc8e, 0x379d5862, 0x9320f991, 0xea7a90c2, 0xfb3e7bce, + 0x5121ce64, 0x774fbe32, 0xa8b6e37e, 0xc3293d46, 0x48de5369, 0x6413e680, + 0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166, 0xb39a460a, 0x6445c0dd, + 0x586cdecf, 0x1c20c8ae, 0x5bbef7dd, 0x1b588d40, 0xccd2017f, 0x6bb4e3bb, + 0xdda26a7e, 0x3a59ff45, 0x3e350a44, 0xbcb4cdd5, 0x72eacea8, 0xfa6484bb, + 0x8d6612ae, 0xbf3c6f47, 0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370, + 0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d, 0x4040cb08, 0x4eb4e2cc, + 0x34d2466a, 0x0115af84, 0xe1b00428, 0x95983a1d, 0x06b89fb4, 0xce6ea048, + 0x6f3f3b82, 0x3520ab82, 0x011a1d4b, 0x277227f8, 0x611560b1, 0xe7933fdc, + 0xbb3a792b, 0x344525bd, 0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9, + 0xe01cc87e, 0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7, 0x1a908749, 0xd44fbd9a, + 0xd0dadecb, 0xd50ada38, 0x0339c32a, 0xc6913667, 0x8df9317c, 0xe0b12b4f, + 0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c, 0xbf97222c, 0x15e6fc2a, + 0x0f91fc71, 0x9b941525, 0xfae59361, 0xceb69ceb, 0xc2a86459, 0x12baa8d1, + 0xb6c1075e, 0xe3056a0c, 0x10d25065, 0xcb03a442, 0xe0ec6e0e, 0x1698db3b, + 0x4c98a0be, 0x3278e964, 0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e, + 0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8, 0xdf359f8d, 0x9b992f2e, + 0xe60b6f47, 0x0fe3f11d, 0xe54cda54, 0x1edad891, 0xce6279cf, 0xcd3e7e6f, + 0x1618b166, 0xfd2c1d05, 0x848fd2c5, 0xf6fb2299, 0xf523f357, 0xa6327623, + 0x93a83531, 0x56cccd02, 0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc, + 0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614, 0xe6c6c7bd, 0x327a140a, + 0x45e1d006, 0xc3f27b9a, 0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6, + 0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b, 0x53113ec0, 0x1640e3d3, + 0x38abbd60, 0x2547adf0, 0xba38209c, 0xf746ce76, 0x77afa1c5, 0x20756060, + 0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e, 0x1948c25c, 0x02fb8a8c, + 0x01c36ae4, 0xd6ebe1f9, 0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f, + 0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6, }, +}; + +static const uint32_t bf_pinit[] = { + /* P-Box */ + 0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, 0xa4093822, 0x299f31d0, + 0x082efa98, 0xec4e6c89, 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c, + 0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917, 0x9216d5d9, 0x8979fb1b, +}; + +#define KEYBYTES 24 + +static const unsigned char rtmpe9_keys[16][KEYBYTES] = { + { 0x79, 0x34, 0x77, 0x4c, 0x67, 0xd1, 0x38, 0x3a, 0xdf, 0xb3, 0x56, 0xbe, + 0x8b, 0x7b, 0xd0, 0x24, 0x38, 0xe0, 0x73, 0x58, 0x41, 0x5d, 0x69, 0x67, }, + { 0x46, 0xf6, 0xb4, 0xcc, 0x01, 0x93, 0xe3, 0xa1, 0x9e, 0x7d, 0x3c, 0x65, + 0x55, 0x86, 0xfd, 0x09, 0x8f, 0xf7, 0xb3, 0xc4, 0x6f, 0x41, 0xca, 0x5c, }, + { 0x1a, 0xe7, 0xe2, 0xf3, 0xf9, 0x14, 0x79, 0x94, 0xc0, 0xd3, 0x97, 0x43, + 0x08, 0x7b, 0xb3, 0x84, 0x43, 0x2f, 0x9d, 0x84, 0x3f, 0x21, 0x01, 0x9b, }, + { 0xd3, 0xe3, 0x54, 0xb0, 0xf7, 0x1d, 0xf6, 0x2b, 0x5a, 0x43, 0x4d, 0x04, + 0x83, 0x64, 0x3e, 0x0d, 0x59, 0x2f, 0x61, 0xcb, 0xb1, 0x6a, 0x59, 0x0d, }, + { 0xc8, 0xc1, 0xe9, 0xb8, 0x16, 0x56, 0x99, 0x21, 0x7b, 0x5b, 0x36, 0xb7, + 0xb5, 0x9b, 0xdf, 0x06, 0x49, 0x2c, 0x97, 0xf5, 0x95, 0x48, 0x85, 0x7e, }, + { 0xeb, 0xe5, 0xe6, 0x2e, 0xa4, 0xba, 0xd4, 0x2c, 0xf2, 0x16, 0xe0, 0x8f, + 0x66, 0x23, 0xa9, 0x43, 0x41, 0xce, 0x38, 0x14, 0x84, 0x95, 0x00, 0x53, }, + { 0x66, 0xdb, 0x90, 0xf0, 0x3b, 0x4f, 0xf5, 0x6f, 0xe4, 0x9c, 0x20, 0x89, + 0x35, 0x5e, 0xd2, 0xb2, 0xc3, 0x9e, 0x9f, 0x7f, 0x63, 0xb2, 0x28, 0x81, }, + { 0xbb, 0x20, 0xac, 0xed, 0x2a, 0x04, 0x6a, 0x19, 0x94, 0x98, 0x9b, 0xc8, + 0xff, 0xcd, 0x93, 0xef, 0xc6, 0x0d, 0x56, 0xa7, 0xeb, 0x13, 0xd9, 0x30, }, + { 0xbc, 0xf2, 0x43, 0x82, 0x09, 0x40, 0x8a, 0x87, 0x25, 0x43, 0x6d, 0xe6, + 0xbb, 0xa4, 0xb9, 0x44, 0x58, 0x3f, 0x21, 0x7c, 0x99, 0xbb, 0x3f, 0x24, }, + { 0xec, 0x1a, 0xaa, 0xcd, 0xce, 0xbd, 0x53, 0x11, 0xd2, 0xfb, 0x83, 0xb6, + 0xc3, 0xba, 0xab, 0x4f, 0x62, 0x79, 0xe8, 0x65, 0xa9, 0x92, 0x28, 0x76, }, + { 0xc6, 0x0c, 0x30, 0x03, 0x91, 0x18, 0x2d, 0x7b, 0x79, 0xda, 0xe1, 0xd5, + 0x64, 0x77, 0x9a, 0x12, 0xc5, 0xb1, 0xd7, 0x91, 0x4f, 0x96, 0x4c, 0xa3, }, + { 0xd7, 0x7c, 0x2a, 0xbf, 0xa6, 0xe7, 0x85, 0x7c, 0x45, 0xad, 0xff, 0x12, + 0x94, 0xd8, 0xde, 0xa4, 0x5c, 0x3d, 0x79, 0xa4, 0x44, 0x02, 0x5d, 0x22, }, + { 0x16, 0x19, 0x0d, 0x81, 0x6a, 0x4c, 0xc7, 0xf8, 0xb8, 0xf9, 0x4e, 0xcd, + 0x2c, 0x9e, 0x90, 0x84, 0xb2, 0x08, 0x25, 0x60, 0xe1, 0x1e, 0xae, 0x18, }, + { 0xe9, 0x7c, 0x58, 0x26, 0x1b, 0x51, 0x9e, 0x49, 0x82, 0x60, 0x61, 0xfc, + 0xa0, 0xa0, 0x1b, 0xcd, 0xf5, 0x05, 0xd6, 0xa6, 0x6d, 0x07, 0x88, 0xa3, }, + { 0x2b, 0x97, 0x11, 0x8b, 0xd9, 0x4e, 0xd9, 0xdf, 0x20, 0xe3, 0x9c, 0x10, + 0xe6, 0xa1, 0x35, 0x21, 0x11, 0xf9, 0x13, 0x0d, 0x0b, 0x24, 0x65, 0xb2, }, + { 0x53, 0x6a, 0x4c, 0x54, 0xac, 0x8b, 0x9b, 0xb8, 0x97, 0x29, 0xfc, 0x60, + 0x2c, 0x5b, 0x3a, 0x85, 0x68, 0xb5, 0xaa, 0x6a, 0x44, 0xcd, 0x3f, 0xa7, }, +}; + +#define BF_ENC(X,S) (((S[0][X>>24] + S[1][X>>16 & 0xff]) ^ S[2][(X>>8) & 0xff]) + S[3][X & 0xff]) + +static void bf_enc(uint32_t *x, bf_key *key) +{ + uint32_t Xl; + uint32_t Xr; + uint32_t temp; + int i; + + Xl = x[0]; + Xr = x[1]; + + for (i = 0; i < BF_ROUNDS; ++i) { + Xl ^= key->p[i]; + Xr ^= BF_ENC(Xl,key->s); + + temp = Xl; + Xl = Xr; + Xr = temp; + } + + Xl ^= key->p[BF_ROUNDS]; + Xr ^= key->p[BF_ROUNDS + 1]; + + x[0] = Xr; + x[1] = Xl; +} + +static void bf_setkey(const unsigned char *kp, int keybytes, bf_key *key) +{ + int i; + int j; + int k; + uint32_t data; + uint32_t d[2]; + + memcpy(key->p, bf_pinit, sizeof(key->p)); + memcpy(key->s, bf_sinit, sizeof(key->s)); + + j = 0; + for (i = 0; i < BF_ROUNDS + 2; ++i) { + data = 0x00000000; + for (k = 0; k < 4; ++k) { + data = (data << 8) | kp[j]; + j = j + 1; + if (j >= keybytes) { + j = 0; + } + } + key->p[i] ^= data; + } + + d[0] = 0x00000000; + d[1] = 0x00000000; + + for (i = 0; i < BF_ROUNDS + 2; i += 2) { + bf_enc(d, key); + + key->p[i] = d[0]; + key->p[i + 1] = d[1]; + } + + for (i = 0; i < 4; ++i) { + for (j = 0; j < 256; j += 2) { + bf_enc(d, key); + + key->s[i][j] = d[0]; + key->s[i][j + 1] = d[1]; + } + } +} + +static void rtmpe9_sig(uint8_t *in, uint8_t *out, int keyid) +{ + uint32_t d[2]; + bf_key key; + + bf_setkey(rtmpe9_keys[keyid], KEYBYTES, &key); + + /* input is little-endian */ + d[0] = in[0] | (in[1] << 8) | (in[2] << 16) | (in[3] << 24); + d[1] = in[4] | (in[5] << 8) | (in[6] << 16) | (in[7] << 24); + bf_enc(d, &key); + out[0] = d[0] & 0xff; + out[1] = (d[0] >> 8) & 0xff; + out[2] = (d[0] >> 16) & 0xff; + out[3] = (d[0] >> 24) & 0xff; + out[4] = d[1] & 0xff; + out[5] = (d[1] >> 8) & 0xff; + out[6] = (d[1] >> 16) & 0xff; + out[7] = (d[1] >> 24) & 0xff; +} + +uint32_t RTMP_GetTime() +{ +#ifdef _DEBUG + return 0; +#elif defined(_WIN32) + return timeGetTime(); +#else +#include + struct timeval tv; + gettimeofday(&tv, 0 ); + return tv.tv_usec; + // I cannot compile the following code on both Mac and Linux + // struct tms t; + // if (!clk_tck) clk_tck = sysconf(_SC_CLK_TCK); + // return times(&t) * 1000 / clk_tck; +#endif +} + +typedef struct handshake_helper { + unsigned char *r_buf; + unsigned char *w_buf; + + size_t r_pos; + size_t r_len; + + size_t w_pos; + size_t w_len; +} handshake_helper_t; + +static int ReadN(void * user_data, void * out_buffer, size_t size) +{ + handshake_helper_t *helper = (handshake_helper_t*)user_data; + size_t len = (helper->r_len - helper->r_pos) < size ? (helper->r_len - helper->r_pos) : size; + + if (len <= 0) return 0; + + memcpy(out_buffer, helper->r_buf + helper->r_pos, len); + helper->r_pos += len; + return len; +} + +static int WriteN(void * user_data, void * buffer, size_t size) +{ + handshake_helper_t *helper = (handshake_helper_t*)user_data; + size_t len = (helper->w_len - helper->w_pos) < size ? (helper->w_len - helper->w_pos) : size; + + if (len <= 0) return 0; + + memcpy(helper->w_buf + helper->w_pos, buffer, len); + helper->w_pos += len; + return len; +} + +static int SHandShake0(handshake_helper_t * r) +{ + + int i = 0; + int offalg = 0; + + int digestPosServer = 0; + + int FP9HandShake = FALSE; + + uint8_t clientsig[RTMP_SIG_SIZE]; + uint8_t serverbuf[RTMP_SIG_SIZE + 4]; + uint8_t *serversig = serverbuf+4; + uint8_t type; + uint32_t uptime; + // getoff *getdh = NULL; + getoff *getdig = NULL; + + + if (ReadN(r, (char *)&type, 1) != 1) { /* 0x03 or 0x06 */ + return FALSE; + } + + if (ReadN(r, (char *)clientsig, RTMP_SIG_SIZE) != RTMP_SIG_SIZE) { + return FALSE; + } + + RTMP_Log(RTMP_LOGDEBUG, "%s: Type Requested : %02X", __FUNCTION__, type); + RTMP_LogHex(RTMP_LOGDEBUG2, clientsig, RTMP_SIG_SIZE); + + if (type != 3) { + RTMP_Log(RTMP_LOGERROR, "%s: Unknown version %02x", + __FUNCTION__, type); + return FALSE; + } + + if (!FP9HandShake && clientsig[4]) FP9HandShake = TRUE; + + serversig[-1] = type; + //fix me ?? linux windows?? + uptime = htonl(RTMP_GetTime()); + memcpy(serversig, &uptime, 4); + + if (FP9HandShake) + { + /* Server version */ + serversig[4] = 3; + serversig[5] = 5; + serversig[6] = 1; + serversig[7] = 1; + + getdig = digoff[offalg]; + // getdh = dhoff[offalg]; + } else { + memset(&serversig[4], 0, 4); + } + + /* generate random data */ +#ifdef _DEBUG + memset(serversig+8, 0, RTMP_SIG_SIZE-8); +#elif defined(__APPLE__) + memset(serversig+8, 0, RTMP_SIG_SIZE-8); +#else + { + int32_t *ip = (int32_t *)(serversig+8); + for (i = 2; i < RTMP_SIG_SIZE/4; i++) { + *ip++ = rand(); + } + } +#endif + + /* set handshake digest */ + if (FP9HandShake) { + digestPosServer = getdig(serversig, RTMP_SIG_SIZE); /* reuse this value in verification */ + RTMP_Log(RTMP_LOGDEBUG, "%s: Server digest offset: %d", __FUNCTION__, digestPosServer); + + CalculateDigest(digestPosServer, serversig, GenuineFMSKey, 36, &serversig[digestPosServer]); + + RTMP_Log(RTMP_LOGDEBUG, "%s: Initial server digest: ", __FUNCTION__); + RTMP_LogHex(RTMP_LOGDEBUG, serversig + digestPosServer, SHA256_DIGEST_LENGTH); + } + + RTMP_Log(RTMP_LOGDEBUG2, "Serversig: "); + RTMP_LogHex(RTMP_LOGDEBUG2, serversig, RTMP_SIG_SIZE); + + if (!WriteN(r, (char *)serversig-1, RTMP_SIG_SIZE + 1)) return FALSE; + + /* decode client response */ + memcpy(&uptime, clientsig, 4); + uptime = ntohl(uptime); + + RTMP_Log(RTMP_LOGDEBUG, "%s: Client Uptime : %d", __FUNCTION__, uptime); + RTMP_Log(RTMP_LOGDEBUG, "%s: Player Version: %d.%d.%d.%d", __FUNCTION__, clientsig[4], + clientsig[5], clientsig[6], clientsig[7]); + + if (FP9HandShake) + { + uint8_t digestResp[SHA256_DIGEST_LENGTH]; + uint8_t *signatureResp = NULL; + + /* we have to use this signature now to find the correct algorithms for getting the digest and DH positions */ + int digestPosClient = getdig(clientsig, RTMP_SIG_SIZE); + + if (!VerifyDigest(digestPosClient, clientsig, GenuineFPKey, 30)) { + RTMP_Log(RTMP_LOGWARNING, "Trying different position for client digest!"); + offalg ^= 1; + getdig = digoff[offalg]; + // getdh = dhoff[offalg]; + + digestPosClient = getdig(clientsig, RTMP_SIG_SIZE); + + if (!VerifyDigest(digestPosClient, clientsig, GenuineFPKey, 30)) { + RTMP_Log(RTMP_LOGERROR, "Couldn't verify the client digest"); /* continuing anyway will probably fail */ + return FALSE; + } + } + + /* calculate response now */ + signatureResp = clientsig+RTMP_SIG_SIZE-SHA256_DIGEST_LENGTH; + + HMACsha256(&clientsig[digestPosClient], SHA256_DIGEST_LENGTH, + GenuineFMSKey, sizeof(GenuineFMSKey), digestResp); + HMACsha256(clientsig, RTMP_SIG_SIZE - SHA256_DIGEST_LENGTH, digestResp, + SHA256_DIGEST_LENGTH, signatureResp); +#ifdef FP10 + if (type == 8 ) { + uint8_t *dptr = digestResp; + uint8_t *sig = signatureResp; + /* encrypt signatureResp */ + for (i=0; i * Anthony Minessale II * William King + * Seven Du * * mod_rtmp.c -- RTMP Endpoint Module * @@ -37,6 +38,7 @@ #endif #include "mod_rtmp.h" +#include "rtmp_video.h" SWITCH_MODULE_LOAD_FUNCTION(mod_rtmp_load); SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_rtmp_shutdown); @@ -68,7 +70,10 @@ switch_io_routines_t rtmp_io_routines = { /*.kill_channel */ rtmp_kill_channel, /*.send_dtmf */ rtmp_send_dtmf, /*.receive_message */ rtmp_receive_message, - /*.receive_event */ rtmp_receive_event + /*.receive_event */ rtmp_receive_event, + /*.state_change*/ NULL, + /*.rtmp_read_vid_frame */ rtmp_read_video_frame, + /*.rtmp_write_vid_frame */ rtmp_write_video_frame }; struct mod_rtmp_globals rtmp_globals; @@ -119,7 +124,7 @@ switch_status_t rtmp_tech_init(rtmp_private_t *tech_pvt, rtmp_session_t *rsessio } if (switch_core_codec_init(&tech_pvt->write_codec, /* name */ "SPEEX", /* modname */ NULL, - /* fmtp */ NULL, /* rate */ 16000, /* ms */ 20, /* channels */ 1, + /* fmtp */ NULL, /* rate */ 16000, /* ms */ 20, /* channels */ 1, /* flags */ SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE, /* codec settings */ NULL, switch_core_session_get_pool(session)) != SWITCH_STATUS_SUCCESS) { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Can't initialize write codec\n"); @@ -133,8 +138,40 @@ switch_status_t rtmp_tech_init(rtmp_private_t *tech_pvt, rtmp_session_t *rsessio //static inline uint8_t rtmp_audio_codec(int channels, int bits, int rate, rtmp_audio_format_t format) { tech_pvt->audio_codec = 0xB2; //rtmp_audio_codec(1, 16, 0 /* speex is always 8000 */, RTMP_AUDIO_SPEEX); + if (tech_pvt->has_video) { + /* Initialize video read & write codecs */ + if (switch_core_codec_init(&tech_pvt->video_read_codec, /* name */ "H264", /* modname */ NULL, + /* fmtp */ NULL, /* rate */ 90000, /* ms */ 0, /* channels */ 1, + /* flags */ SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE, + /* codec settings */ NULL, switch_core_session_get_pool(session)) != SWITCH_STATUS_SUCCESS) { + switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Can't initialize video read codec\n"); + + return SWITCH_STATUS_FALSE; + } + + if (switch_core_codec_init(&tech_pvt->video_write_codec, /* name */ "H264", /* modname */ NULL, + /* fmtp */ NULL, /* rate */ 90000, /* ms */ 0, /* channels */ 1, + /* flags */ SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE, + /* codec settings */ NULL, switch_core_session_get_pool(session)) != SWITCH_STATUS_SUCCESS) { + switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Can't initialize write codec\n"); + + return SWITCH_STATUS_FALSE; + } + + switch_core_session_set_video_read_codec(session, &tech_pvt->video_read_codec); + switch_core_session_set_video_write_codec(session, &tech_pvt->video_write_codec); + switch_channel_set_flag(tech_pvt->channel, CF_VIDEO); + + tech_pvt->mparams.external_video_source = SWITCH_TRUE; + switch_media_handle_create(&tech_pvt->media_handle, session, &tech_pvt->mparams); + + on_rtmp_tech_init(session, tech_pvt); + } + switch_core_session_set_private(session, tech_pvt); + // switch_core_session_start_video_thread(session); + return SWITCH_STATUS_SUCCESS; } @@ -232,6 +269,7 @@ switch_status_t rtmp_on_destroy(switch_core_session_t *session) switch_buffer_destroy(&tech_pvt->readbuf); switch_core_timer_destroy(&tech_pvt->timer); + on_rtmp_destroy(tech_pvt); } return SWITCH_STATUS_SUCCESS; @@ -294,6 +332,15 @@ switch_status_t rtmp_on_hangup(switch_core_session_t *session) switch_thread_rwlock_unlock(rsession->session_rwlock); } +#if 0 + // this block could replace the above if block, not sure if it's safe + switch_core_hash_delete_wrlock(rsession->session_hash, switch_core_session_get_uuid(session), rsession->session_rwlock); + + switch_mutex_lock(rsession->count_mutex); + rsession->active_sessions--; + switch_mutex_unlock(rsession->count_mutex); +#endif + #ifndef RTMP_DONT_HOLD if (switch_channel_test_flag(channel, CF_HOLD)) { switch_channel_mark_hold(channel, SWITCH_FALSE); @@ -451,6 +498,7 @@ switch_status_t rtmp_write_frame(switch_core_session_t *session, switch_frame_t //switch_frame_t *pframe; unsigned char buf[AMF_MAX_SIZE]; switch_time_t ts; + switch_status_t status = SWITCH_STATUS_SUCCESS; channel = switch_core_session_get_channel(session); assert(channel != NULL); @@ -460,36 +508,36 @@ switch_status_t rtmp_write_frame(switch_core_session_t *session, switch_frame_t rsession = tech_pvt->rtmp_session; if ( rsession == NULL ) { - goto error_null; + return SWITCH_STATUS_FALSE; } switch_thread_rwlock_wrlock(rsession->rwlock); if (!switch_test_flag(tech_pvt, TFLAG_IO)) { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "TFLAG_IO not set\n"); - goto error; + switch_goto_status(SWITCH_STATUS_FALSE, end); } if (switch_test_flag(tech_pvt, TFLAG_DETACHED) || !switch_test_flag(rsession, SFLAG_AUDIO)) { - goto success; + switch_goto_status(SWITCH_STATUS_SUCCESS, end); } if (!rsession || !tech_pvt->audio_codec || !tech_pvt->write_channel) { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Missing mandatory value\n"); - goto error; + switch_goto_status(SWITCH_STATUS_FALSE, end); } if (rsession->state >= RS_DESTROY) { - goto error; + switch_goto_status(SWITCH_STATUS_FALSE, end); } if (frame->datalen+1 > frame->buflen) { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Datalen too big\n"); - goto error; + switch_goto_status(SWITCH_STATUS_FALSE, end); } if (frame->flags & SFF_CNG) { - goto success; + switch_goto_status(SWITCH_STATUS_SUCCESS, end); } /* Build message */ @@ -504,20 +552,13 @@ switch_status_t rtmp_write_frame(switch_core_session_t *session, switch_frame_t ts = (switch_micro_time_now() / 1000) - tech_pvt->stream_start_ts; } - rtmp_send_message(rsession, RTMP_DEFAULT_STREAM_AUDIO, ts, RTMP_TYPE_AUDIO, rsession->media_streamid, buf, frame->datalen + 1, 0); + status = rtmp_send_message(rsession, RTMP_DEFAULT_STREAM_AUDIO, ts, RTMP_TYPE_AUDIO, rsession->media_streamid, buf, frame->datalen + 1, 0); - success: +end: switch_thread_rwlock_unlock(rsession->rwlock); - return SWITCH_STATUS_SUCCESS; - - error: - switch_thread_rwlock_unlock(rsession->rwlock); - - error_null: - return SWITCH_STATUS_FALSE; + return status; } - switch_status_t rtmp_receive_message(switch_core_session_t *session, switch_core_session_message_t *msg) { switch_channel_t *channel; @@ -546,7 +587,19 @@ switch_status_t rtmp_receive_message(switch_core_session_t *session, switch_core case SWITCH_MESSAGE_INDICATE_UNHOLD: rtmp_notify_call_state(session); break; + case SWITCH_MESSAGE_INDICATE_BRIDGE: + switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Flushing read buffer\n"); + + switch_mutex_lock(tech_pvt->readbuf_mutex); + switch_buffer_zero(tech_pvt->readbuf); + switch_mutex_unlock(tech_pvt->readbuf_mutex); + if (tech_pvt->has_video) { + switch_mutex_lock(tech_pvt->video_readbuf_mutex); + switch_buffer_zero(tech_pvt->video_readbuf); + switch_mutex_unlock(tech_pvt->video_readbuf_mutex); + } + break; case SWITCH_MESSAGE_INDICATE_DISPLAY: { const char *name = msg->string_array_arg[0], *number = msg->string_array_arg[1]; @@ -584,6 +637,41 @@ switch_status_t rtmp_receive_message(switch_core_session_t *session, switch_core switch_safe_free(arg); } break; + case SWITCH_MESSAGE_INDICATE_DEBUG_MEDIA: + { + rtmp_session_t *rsession = tech_pvt->rtmp_session; + const char *direction = msg->string_array_arg[0]; + int video = 0; + + if (direction && *direction == 'v') { + direction++; + video = 1; + } + + if (!zstr(direction) && !zstr(msg->string_array_arg[1])) { + int both = !strcasecmp(direction, "both"); + uint8_t flag = 0; + + if (both || !strcasecmp(direction, "read")) { + flag |= (video ? RTMP_MD_VIDEO_READ : RTMP_MD_AUDIO_READ); + } + + if (both || !strcasecmp(direction, "write")) { + flag |= (video ? RTMP_MD_VIDEO_WRITE : RTMP_MD_AUDIO_WRITE); + } + + if (flag) { + if (switch_true(msg->string_array_arg[1])) { + rsession->media_debug |= flag; + } else { + rsession->media_debug &= ~flag; + } + } else { + switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Invalid Options\n"); + } + } + } + break; default: break; } @@ -595,9 +683,9 @@ switch_status_t rtmp_receive_message(switch_core_session_t *session, switch_core that allocate memory or you will have 1 channel with memory allocated from another channel's pool! */ switch_call_cause_t rtmp_outgoing_channel(switch_core_session_t *session, switch_event_t *var_event, - switch_caller_profile_t *outbound_profile, - switch_core_session_t **newsession, switch_memory_pool_t **inpool, switch_originate_flag_t flags, - switch_call_cause_t *cancel_cause) + switch_caller_profile_t *outbound_profile, + switch_core_session_t **newsession, switch_memory_pool_t **inpool, switch_originate_flag_t flags, + switch_call_cause_t *cancel_cause) { rtmp_private_t *tech_pvt; switch_caller_profile_t *caller_profile; @@ -645,6 +733,25 @@ switch_call_cause_t rtmp_outgoing_channel(switch_core_session_t *session, switch tech_pvt->caller_profile = caller_profile; switch_core_session_add_stream(*newsession, NULL); + if (session) { + const char *video_possible; + + video_possible = switch_channel_get_variable(switch_core_session_get_channel(session), "video_possible"); + if (video_possible && switch_true(video_possible)) { + tech_pvt->has_video = 1; + } + } + + if (var_event) { + const char *video_possible = NULL; + + video_possible = switch_event_get_header(var_event, "video_possible"); + + if (video_possible && switch_true(video_possible)) { + tech_pvt->has_video = 1; + } + } + if (rtmp_tech_init(tech_pvt, rsession, *newsession) != SWITCH_STATUS_SUCCESS) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(*newsession), SWITCH_LOG_ERROR, "tech_init failed\n"); cause = SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER; @@ -662,7 +769,7 @@ switch_call_cause_t rtmp_outgoing_channel(switch_core_session_t *session, switch switch_channel_ring_ready(channel); rtmp_send_incoming_call(*newsession, var_event); - + // switch_channel_set_flag(channel, CF_VIDEO); switch_channel_set_state(channel, CS_INIT); switch_set_flag_locked(tech_pvt, TFLAG_IO); @@ -762,12 +869,15 @@ switch_status_t rtmp_session_request(rtmp_profile_t *profile, rtmp_session_t **n switch_core_new_memory_pool(&pool); *newsession = switch_core_alloc(pool, sizeof(rtmp_session_t)); + memset(*newsession, 0, sizeof(rtmp_session_t)); (*newsession)->pool = pool; (*newsession)->profile = profile; (*newsession)->in_chunksize = (*newsession)->out_chunksize = RTMP_DEFAULT_CHUNKSIZE; (*newsession)->recv_ack_window = RTMP_DEFAULT_ACK_WINDOW; + (*newsession)->send_ack_window = RTMP_DEFAULT_ACK_WINDOW; (*newsession)->next_streamid = 1; (*newsession)->io_private = NULL; + (*newsession)->dropped_video_frame = 0; switch_uuid_get(&uuid); switch_uuid_format((*newsession)->uuid, &uuid); @@ -786,10 +896,13 @@ switch_status_t rtmp_session_request(rtmp_profile_t *profile, rtmp_session_t **n #ifdef RTMP_DEBUG_IO { char buf[1024]; +#ifndef _WIN32 +#else snprintf(buf, sizeof(buf), "/tmp/rtmp-%s-in.txt", (*newsession)->uuid); (*newsession)->io_debug_in = fopen(buf, "w"); snprintf(buf, sizeof(buf), "/tmp/rtmp-%s-out.txt", (*newsession)->uuid); (*newsession)->io_debug_out = fopen(buf, "w"); +#endif } #endif @@ -982,6 +1095,15 @@ switch_call_cause_t rtmp_session_create_call(rtmp_session_t *rsession, switch_co tech_pvt->caller_profile = caller_profile; switch_core_session_add_stream(*newsession, NULL); + if (event) { + const char *want_video = switch_event_get_header(event, "want_video"); + + if (want_video && switch_true(want_video)) { + tech_pvt->has_video = 1; + switch_channel_set_variable(channel, "video_possible", "true"); + } + } + if (rtmp_tech_init(tech_pvt, rsession, *newsession) != SWITCH_STATUS_SUCCESS) { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "tech_init failed\n"); goto fail; @@ -1003,6 +1125,7 @@ switch_call_cause_t rtmp_session_create_call(rtmp_session_t *rsession, switch_co for (hp = event->headers; hp; hp = hp->next) { switch_channel_set_variable_name_printf(channel, hp->value, RTMP_USER_VARIABLE_PREFIX "_%s", hp->name); + switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "%s\n", hp->name); } } @@ -1081,14 +1204,14 @@ switch_status_t rtmp_profile_destroy(rtmp_profile_t **profile) { /* Kill all sessions */ while ((hi = switch_core_hash_first_iter((*profile)->session_hash, hi))) { void *val; - rtmp_session_t *session; + rtmp_session_t *rsession; const void *key; switch_ssize_t keylen; switch_core_hash_this(hi, &key, &keylen, &val); - session = val; - - rtmp_session_destroy(&session); + rsession = val; + + if (rsession->state != RS_DESTROY) rtmp_session_destroy(&rsession); } if ((*profile)->io->running > 0) { @@ -1536,16 +1659,16 @@ done: static const char *state2name(int state) { - switch(state) { - case RS_HANDSHAKE: - return "HANDSHAKE"; - case RS_HANDSHAKE2: - return "HANDSHAKE2"; - case RS_ESTABLISHED: - return "ESTABLISHED"; - default: - return "DESTROY (PENDING)"; - } + switch(state) { + case RS_HANDSHAKE: + return "HANDSHAKE"; + case RS_HANDSHAKE2: + return "HANDSHAKE2"; + case RS_ESTABLISHED: + return "ESTABLISHED"; + default: + return "DESTROY (PENDING)"; + } } #define RTMP_FUNCTION_SYNTAX "profile [profilename] [start | stop | rescan | restart]\nstatus profile [profilename]\nstatus profile [profilename] [reg | sessions]\nsession [session_id] [kill | login [user@domain] | logout [user@domain]]" @@ -1639,7 +1762,6 @@ SWITCH_STANDARD_API(rtmp_function) item->account ? item->account->user : NULL, item->account ? item->account->domain : NULL, item->flashVer, state2name(item->state)); - } switch_thread_rwlock_unlock(profile->session_rwlock); } else if (!zstr(argv[3]) && !strcmp(argv[3], "reg")) { @@ -1672,9 +1794,9 @@ SWITCH_STANDARD_API(rtmp_function) stream->write_function(stream, "-ERR No such profile [%s]\n", argv[2]); } } else { - switch_hash_index_t *hi; + switch_hash_index_t *hi = NULL; switch_thread_rwlock_rdlock(rtmp_globals.profile_rwlock); - for (hi = switch_core_hash_first(rtmp_globals.profile_hash); hi; hi = switch_core_hash_next(&hi)) { + for (hi = switch_core_hash_first_iter(rtmp_globals.profile_hash, hi); hi; hi = switch_core_hash_next(&hi)) { void *val; const void *key; switch_ssize_t keylen; @@ -1742,22 +1864,22 @@ SWITCH_STANDARD_API(rtmp_function) } if (!zstr(dest)) { - if (rtmp_session_create_call(rsession, &newsession, 0, RTMP_DEFAULT_STREAM_AUDIO, dest, user, domain, NULL) != SWITCH_CAUSE_SUCCESS) { - stream->write_function(stream, "-ERR Couldn't create new call\n"); - } else { - rtmp_private_t *new_pvt = switch_core_session_get_private(newsession); - rtmp_send_invoke_free(rsession, 3, 0, 0, - amf0_str("onMakeCall"), - amf0_number_new(0), - amf0_null_new(), - amf0_str(switch_core_session_get_uuid(newsession)), - amf0_str(switch_str_nil(dest)), - amf0_str(switch_str_nil(new_pvt->auth)), - NULL); - - rtmp_attach_private(rsession, switch_core_session_get_private(newsession)); - stream->write_function(stream, "+OK\n"); - } + if (rtmp_session_create_call(rsession, &newsession, 0, RTMP_DEFAULT_STREAM_AUDIO, dest, user, domain, NULL) != SWITCH_CAUSE_SUCCESS) { + stream->write_function(stream, "-ERR Couldn't create new call\n"); + } else { + rtmp_private_t *new_pvt = switch_core_session_get_private(newsession); + rtmp_send_invoke_free(rsession, 3, 0, 0, + amf0_str("onMakeCall"), + amf0_number_new(0), + amf0_null_new(), + amf0_str(switch_core_session_get_uuid(newsession)), + amf0_str(switch_str_nil(dest)), + amf0_str(switch_str_nil(new_pvt->auth)), + NULL); + + rtmp_attach_private(rsession, switch_core_session_get_private(newsession)); + stream->write_function(stream, "+OK\n"); + } } else { stream->write_function(stream, "-ERR Missing destination number\n"); } @@ -1851,6 +1973,7 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_rtmp_load) rtmp_register_invoke_function("play", rtmp_i_play); rtmp_register_invoke_function("publish", rtmp_i_publish); rtmp_register_invoke_function("makeCall", rtmp_i_makeCall); + rtmp_register_invoke_function("FCSubscribe", rtmp_i_fcSubscribe); rtmp_register_invoke_function("login", rtmp_i_login); rtmp_register_invoke_function("logout", rtmp_i_logout); rtmp_register_invoke_function("sendDTMF", rtmp_i_sendDTMF); @@ -1926,7 +2049,7 @@ SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_rtmp_shutdown) switch_hash_index_t *hi = NULL; switch_mutex_lock(rtmp_globals.mutex); - while ((hi = switch_core_hash_first_iter( rtmp_globals.profile_hash, hi))) { + while ((hi = switch_core_hash_first_iter(rtmp_globals.profile_hash, hi))) { void *val; const void *key; switch_ssize_t keylen; diff --git a/src/mod/endpoints/mod_rtmp/mod_rtmp.h b/src/mod/endpoints/mod_rtmp/mod_rtmp.h index 1f77429747..e53cb95d94 100644 --- a/src/mod/endpoints/mod_rtmp/mod_rtmp.h +++ b/src/mod/endpoints/mod_rtmp/mod_rtmp.h @@ -23,6 +23,7 @@ * Contributor(s): * * Mathieu Rene + * Seven Du * * mod_rtmp.h -- RTMP Endpoint Module * @@ -45,8 +46,8 @@ #define RTMP_USER_VARIABLE_PREFIX "rtmp_u_" #define RTMP_DEFAULT_PORT 1935 -#define RTMP_TCP_READ_BUF 2048 -#define AMF_MAX_SIZE 2048 +#define RTMP_TCP_READ_BUF 2048 * 16 +#define AMF_MAX_SIZE 2048 * 16 #define SUPPORT_SND_NONE 0x0000 #define SUPPORT_SND_ADPCM 0x0002 @@ -77,7 +78,7 @@ #define kAMF0 0 #define kAMF3 3 -#define RTMP_DEFAULT_ACK_WINDOW 0x20000 +#define RTMP_DEFAULT_ACK_WINDOW 0x200000 #define RTMP_TYPE_CHUNKSIZE 0x01 #define RTMP_TYPE_ABORT 0x2 @@ -130,6 +131,12 @@ #define INT32_MAX 0x7fffffffL #endif +/* Media debug flags */ +#define RTMP_MD_AUDIO_READ (1 << 0) +#define RTMP_MD_AUDIO_WRITE (1 << 1) +#define RTMP_MD_VIDEO_READ (1 << 2) +#define RTMP_MD_VIDEO_WRITE (1 << 3) + typedef enum { RTMP_AUDIO_PCM = 0, RTMP_AUDIO_ADPCM = 1, @@ -412,6 +419,29 @@ struct rtmp_account { rtmp_account_t *next; }; +typedef struct rtmp2rtp_helper_s +{ + amf0_data *sps; + amf0_data *pps; + amf0_data *nal_list; + uint32_t lenSize; +} rtmp2rtp_helper_t; + +typedef struct rtp2rtmp_helper_s +{ + amf0_data *sps; + amf0_data *pps; + amf0_data *avc_conf; + switch_bool_t send; + switch_bool_t send_avc; + switch_buffer_t *rtmp_buf; + switch_buffer_t *fua_buf; //fu_a buf + uint32_t last_recv_ts; + uint8_t last_mark; + uint16_t last_seq; + switch_bool_t sps_changed; +} rtp2rtmp_helper_t; + struct rtmp_session { switch_memory_pool_t *pool; rtmp_profile_t *profile; @@ -484,6 +514,9 @@ struct rtmp_session { uint32_t media_streamid; /* < The stream id that was used for the last "play" command, where we should send media */ + switch_size_t dropped_video_frame; + + uint8_t media_debug; }; struct rtmp_private { @@ -509,6 +542,7 @@ struct rtmp_private { uint8_t video_codec; switch_time_t stream_start_ts; + switch_time_t stream_last_ts; switch_timer_t timer; switch_buffer_t *readbuf; switch_mutex_t *readbuf_mutex; @@ -522,6 +556,24 @@ struct rtmp_private { uint16_t maxlen; int over_size; + + //video + int has_video; + switch_codec_t video_read_codec; + switch_codec_t video_write_codec; + rtp2rtmp_helper_t video_write_helper; + rtmp2rtp_helper_t video_read_helper; + switch_frame_t video_read_frame; + uint32_t video_read_ts; + uint16_t seq; + unsigned char video_databuf[SWITCH_RTP_MAX_BUF_LEN]; /* < Buffer for read_frame */ + switch_buffer_t *video_readbuf; + switch_mutex_t *video_readbuf_mutex; + uint16_t video_maxlen; + int video_over_size; + + switch_core_media_params_t mparams; + switch_media_handle_t *media_handle; }; struct rtmp_reg; @@ -540,7 +592,6 @@ typedef enum { MSG_FULLHEADER = 1 } rtmp_message_send_flag_t; - /* Invokable functions from flash */ RTMP_INVOKE_FUNCTION(rtmp_i_connect); RTMP_INVOKE_FUNCTION(rtmp_i_createStream); @@ -548,6 +599,7 @@ RTMP_INVOKE_FUNCTION(rtmp_i_noop); RTMP_INVOKE_FUNCTION(rtmp_i_play); RTMP_INVOKE_FUNCTION(rtmp_i_publish); RTMP_INVOKE_FUNCTION(rtmp_i_makeCall); +RTMP_INVOKE_FUNCTION(rtmp_i_fcSubscribe); RTMP_INVOKE_FUNCTION(rtmp_i_sendDTMF); RTMP_INVOKE_FUNCTION(rtmp_i_login); RTMP_INVOKE_FUNCTION(rtmp_i_logout); diff --git a/src/mod/endpoints/mod_rtmp/rtmp.c b/src/mod/endpoints/mod_rtmp/rtmp.c index 196d51a0de..5bd503b066 100644 --- a/src/mod/endpoints/mod_rtmp/rtmp.c +++ b/src/mod/endpoints/mod_rtmp/rtmp.c @@ -25,12 +25,15 @@ * Mathieu Rene * Joao Mesquita * William King - * + * Seven Du + * Da Xiong * rtmp.c -- RTMP Protocol Handler * */ #include "mod_rtmp.h" +#include "handshake.h" + typedef struct { unsigned char *buf; @@ -97,6 +100,13 @@ void rtmp_handle_control(rtmp_session_t *rsession, int amfnumber) switch_log_printf(SWITCH_CHANNEL_UUID_LOG(rsession->uuid), SWITCH_LOG_INFO, "Ping reply: %d ms\n", (int)(now - sent)); } break; + case RTMP_CTRL_SET_BUFFER_LENGTH: + { + uint32_t stream_id = state->buf[2] << 24 | state->buf[3] << 16 | state->buf[4] << 8 | state->buf[5]; + uint32_t length = state->buf[6] << 24 | state->buf[7] << 16 | state->buf[8] << 8 | state->buf[9]; + switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "stream=%u Client buffer set to %ums\n", stream_id, length); + } + break; default: switch_log_printf(SWITCH_CHANNEL_UUID_LOG(rsession->uuid), SWITCH_LOG_WARNING, "[amfnumber=%d] Unhandled control packet (type=0x%x)\n", amfnumber, type); @@ -117,7 +127,7 @@ void rtmp_handle_invoke(rtmp_session_t *rsession, int amfnumber) amf0_data *argv[100] = { 0 }; rtmp_invoke_function_t function; -#if 0 +#ifdef RTMP_DEBUG_IO printf(">>>>> BEGIN INVOKE MSG (num=0x%02x, type=0x%02x, stream_id=0x%x)\n", amfnumber, state->type, state->stream_id); while((dump = amf0_data_read(my_buffer_read, &helper))) { amf0_data *dump2; @@ -423,6 +433,9 @@ void rtmp_send_incoming_call(switch_core_session_t *session, switch_event_t *var } if (event) { + if (tech_pvt->has_video) { + switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "want_video", "true"); + } amf_event_to_object(&obj, event); switch_event_destroy(&event); } @@ -559,12 +572,64 @@ switch_status_t rtmp_send_message(rtmp_session_t *rsession, uint8_t amfnumber, u switch_status_t status = SWITCH_STATUS_SUCCESS; rtmp_state_t *state = &rsession->amfstate_out[amfnumber]; - if ((rsession->send_ack + rsession->send_ack_window) < rsession->send && - (type == RTMP_TYPE_VIDEO || type == RTMP_TYPE_AUDIO)) { + // switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "%d send_ack=%d send=%d window=%d wait_ack=%d\n", + // type, rsession->send_ack, rsession->send, rsession->send_ack_window, rsession->send + 3073 - rsession->send_ack); + + if (type == RTMP_TYPE_VIDEO) { + uint32_t window = rsession->send_ack_window; + + if (rsession->media_debug & RTMP_MD_VIDEO_WRITE) { + switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "W V ts:%u data:0x%02x len:%" SWITCH_SIZE_T_FMT "\n", timestamp, *message, len); + } + + /* start to drop video frame on window/2 if the frame is a non-IDR video frame + start to drop video frame on window * 3/4 if the frame is a IDR frame + start to drop audio frame on widnow full + */ + + if (*message == 0x17) { + window = window / 4 * 3; + } else { + window /= 2; + } + + if ((rsession->send_ack + window) < (rsession->send + 3073)) { + /* We're sending too fast, drop the frame */ + rsession->dropped_video_frame++; + switch_log_printf(SWITCH_CHANNEL_UUID_LOG(rsession->uuid), SWITCH_LOG_DEBUG, + "DROP VIDEO FRAME [amfnumber=%d type=0x%x stream_id=0x%x ftype=0x%x] len=%"SWITCH_SIZE_T_FMT + " dropped=%"SWITCH_SIZE_T_FMT"\n", + amfnumber, type, stream_id, *message, len, rsession->dropped_video_frame); + return SWITCH_STATUS_SUCCESS; + } + + if (rsession->dropped_video_frame) { + if (*message != 0x17) { + rsession->dropped_video_frame++; + switch_log_printf(SWITCH_CHANNEL_UUID_LOG(rsession->uuid), SWITCH_LOG_DEBUG, + "DROP VIDEO FRAME [amfnumber=%d type=0x%x stream_id=0x%x ftype=0x%x] len=%"SWITCH_SIZE_T_FMT + " dropped=%"SWITCH_SIZE_T_FMT" waiting for the next IDR\n", + amfnumber, type, stream_id, *message, len, rsession->dropped_video_frame); + + return SWITCH_STATUS_SUCCESS; + } else { + switch_log_printf(SWITCH_CHANNEL_UUID_LOG(rsession->uuid), SWITCH_LOG_INFO, + "Got IDR frame after %"SWITCH_SIZE_T_FMT" frame(s) dropped\n", + rsession->dropped_video_frame); + rsession->dropped_video_frame = 0; + } + } + } + + if (type == RTMP_TYPE_AUDIO && (rsession->media_debug & RTMP_MD_AUDIO_WRITE)) { + switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "W A ts:%u data:0x%02x len:%" SWITCH_SIZE_T_FMT "\n", timestamp, *message, len); + } + + if (type == RTMP_TYPE_AUDIO && (rsession->send_ack + rsession->send_ack_window) < (rsession->send + 3073)) { /* We're sending too fast, drop the frame */ switch_log_printf(SWITCH_CHANNEL_UUID_LOG(rsession->uuid), SWITCH_LOG_DEBUG, "DROP %s FRAME [amfnumber=%d type=0x%x stream_id=0x%x] len=%"SWITCH_SIZE_T_FMT" \n", - type == RTMP_TYPE_AUDIO ? "AUDIO" : "VIDEO", amfnumber, type, stream_id, len); + "AUDIO", amfnumber, type, stream_id, len); return SWITCH_STATUS_SUCCESS; } @@ -654,6 +719,7 @@ switch_status_t rtmp_send_message(rtmp_session_t *rsession, uint8_t amfnumber, u while (((signed)len - (signed)pos) > 0) { switch_mutex_unlock(rsession->socket_mutex); /* Let other threads send data on the socket */ + switch_cond_next(); switch_mutex_lock(rsession->socket_mutex); hdrsize = 1; if (rsession->profile->io->write(rsession, (unsigned char*)µhdr, &hdrsize) != SWITCH_STATUS_SUCCESS) { @@ -698,13 +764,26 @@ switch_status_t rtmp_handle_data(rtmp_session_t *rsession) /* Send reply (S0 + S1) */ memset(buf, 0, sizeof(buf)); - *buf = '\x03'; + //*buf = '\x03'; + /* fix handshake for h264 */ + { + handshake_helper_t shake_helper; + shake_helper.r_buf = rsession->hsbuf; + shake_helper.r_len = 2048; + shake_helper.r_pos = 0; + shake_helper.w_buf = buf; + shake_helper.w_len = sizeof(buf); + shake_helper.w_pos = 0; + SHandShake0(&shake_helper); + } + s = 1537; rsession->profile->io->write(rsession, (unsigned char*)buf, &s); /* Send S2 */ s = 1536; - rsession->profile->io->write(rsession, rsession->hsbuf, &s); + //rsession->profile->io->write(rsession, rsession->hsbuf, &s); + rsession->profile->io->write(rsession, (unsigned char*)buf + 1537, &s); switch_log_printf(SWITCH_CHANNEL_UUID_LOG(rsession->uuid), SWITCH_LOG_DEBUG, "Sent handshake response\n"); @@ -860,7 +939,9 @@ switch_status_t rtmp_handle_data(rtmp_session_t *rsession) if (!s) { /* Restart from beginning */ - s = state->remainlen = state->origlen; + state->remainlen = state->origlen; + s = state->remainlen < rsession->in_chunksize ? state->remainlen : rsession->in_chunksize; + rsession->parse_remain = s; if (!s) { switch_log_printf(SWITCH_CHANNEL_UUID_LOG(rsession->uuid), SWITCH_LOG_ERROR, "Protocol error, forcing big read\n"); @@ -919,6 +1000,10 @@ switch_status_t rtmp_handle_data(rtmp_session_t *rsession) rtmp_handle_invoke(rsession, rsession->amfnumber); break; case RTMP_TYPE_AUDIO: /* Audio data */ + if (rsession->media_debug & RTMP_MD_AUDIO_READ) { + switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "R A ts:%u data:0x%02x len:%d\n", state->ts, *(state->buf), state->origlen); + } + switch_thread_rwlock_wrlock(rsession->rwlock); if (rsession->tech_pvt) { uint16_t len = state->origlen; @@ -930,13 +1015,13 @@ switch_status_t rtmp_handle_data(rtmp_session_t *rsession) switch_mutex_lock(rsession->tech_pvt->readbuf_mutex); - if (rsession->tech_pvt->maxlen && switch_buffer_inuse(rsession->tech_pvt->readbuf) > (switch_size_t)(rsession->tech_pvt->maxlen * 40)) { + if (rsession->tech_pvt->maxlen && switch_buffer_inuse(rsession->tech_pvt->readbuf) > rsession->tech_pvt->maxlen * 40) { rsession->tech_pvt->over_size++; } else { rsession->tech_pvt->over_size = 0; } if (rsession->tech_pvt->over_size > 10) { - switch_log_printf(SWITCH_CHANNEL_UUID_LOG(rsession->uuid), SWITCH_LOG_DEBUG, + switch_log_printf(SWITCH_CHANNEL_UUID_LOG(rsession->uuid), SWITCH_LOG_WARNING, "%s buffer > %u for 10 consecutive packets... Flushing buffer\n", switch_core_session_get_name(rsession->tech_pvt->session), rsession->tech_pvt->maxlen * 40); switch_buffer_zero(rsession->tech_pvt->readbuf); @@ -947,6 +1032,7 @@ switch_status_t rtmp_handle_data(rtmp_session_t *rsession) switch_buffer_write(rsession->tech_pvt->readbuf, &len, 2); switch_buffer_write(rsession->tech_pvt->readbuf, state->buf, len); if (len > rsession->tech_pvt->maxlen) { + switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "changing maxlen from %d to %d\n", rsession->tech_pvt->maxlen, len); rsession->tech_pvt->maxlen = len; } switch_mutex_unlock(rsession->tech_pvt->readbuf_mutex); @@ -954,11 +1040,55 @@ switch_status_t rtmp_handle_data(rtmp_session_t *rsession) switch_thread_rwlock_unlock(rsession->rwlock); break; case RTMP_TYPE_VIDEO: /* Video data */ + if (rsession->media_debug & RTMP_MD_VIDEO_READ) { + switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "R V ts:%u data:0x%02x len:%d \n", state->ts, *(state->buf), state->origlen); + } + + if ((!rsession->tech_pvt) || (!rsession->tech_pvt->has_video)) break; + + switch_thread_rwlock_wrlock(rsession->rwlock); + if (rsession->tech_pvt) { + uint16_t len = state->origlen; + + if (!rsession->tech_pvt->video_readbuf) { + switch_thread_rwlock_unlock(rsession->rwlock); + return SWITCH_STATUS_FALSE; + } + + switch_mutex_lock(rsession->tech_pvt->video_readbuf_mutex); + if (rsession->tech_pvt->video_maxlen && switch_buffer_inuse(rsession->tech_pvt->video_readbuf) > rsession->tech_pvt->video_maxlen * 100) { + rsession->tech_pvt->video_over_size++; + } else { + rsession->tech_pvt->video_over_size = 0; + } + if (rsession->tech_pvt->video_over_size > 10) { + switch_log_printf(SWITCH_CHANNEL_UUID_LOG(rsession->uuid), SWITCH_LOG_DEBUG, + "%s buffer > %u for 10 consecutive packets... Flushing buffer\n", + switch_core_session_get_name(rsession->tech_pvt->session), rsession->tech_pvt->video_maxlen * 100); + switch_buffer_zero(rsession->tech_pvt->video_readbuf); + #ifdef RTMP_DEBUG_IO + fprintf(rsession->io_debug_in, "[chunk_stream=%d type=0x%x ts=%d stream_id=0x%x] FLUSH BUFFER [exceeded %u]\n", rsession->amfnumber, state->type, (int)state->ts, state->stream_id, rsession->tech_pvt->video_maxlen * 5); + #endif + } + switch_buffer_write(rsession->tech_pvt->video_readbuf, &len, 2); + switch_buffer_write(rsession->tech_pvt->video_readbuf, &state->ts, 4); + switch_buffer_write(rsession->tech_pvt->video_readbuf, state->buf, len); + if (len > rsession->tech_pvt->video_maxlen) { + switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "changing video max len from %d to %d\n", rsession->tech_pvt->video_maxlen, len); + rsession->tech_pvt->video_maxlen = len; + } + switch_mutex_unlock(rsession->tech_pvt->video_readbuf_mutex); + } + switch_thread_rwlock_unlock(rsession->rwlock); + break; case RTMP_TYPE_METADATA: /* Metadata */ break; case RTMP_TYPE_WINDOW_ACK_SIZE: - rsession->send_ack_window = (state->buf[0] << 24) | (state->buf[1] << 16) | (state->buf[2] << 8) | (state->buf[3]); - switch_log_printf(SWITCH_CHANNEL_UUID_LOG(rsession->uuid), SWITCH_LOG_DEBUG, "Set window size: %lu bytes\n", (long unsigned int)rsession->send_ack_window); + { + uint32_t new_window = (state->buf[0] << 24) | (state->buf[1] << 16) | (state->buf[2] << 8) | (state->buf[3]); + switch_log_printf(SWITCH_CHANNEL_UUID_LOG(rsession->uuid), SWITCH_LOG_DEBUG, "Set window size: from %u to %u bytes\n", rsession->send_ack_window, new_window); + rsession->send_ack_window = new_window; + } break; case RTMP_TYPE_ACK: { @@ -972,6 +1102,9 @@ switch_status_t rtmp_handle_data(rtmp_session_t *rsession) rsession->send_bw = (ack - rsession->send_ack) / delta; } + switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "got ack %d send:%d wait-ack:%d\n", + ack, rsession->send + 3073, rsession->send + 3073 - ack); + rsession->send_ack = ack; rsession->send_ack_ts = switch_micro_time_now(); break; diff --git a/src/mod/endpoints/mod_rtmp/rtmp_sig.c b/src/mod/endpoints/mod_rtmp/rtmp_sig.c index f44b3ec44d..4cba13aabb 100644 --- a/src/mod/endpoints/mod_rtmp/rtmp_sig.c +++ b/src/mod/endpoints/mod_rtmp/rtmp_sig.c @@ -23,6 +23,7 @@ * Contributor(s): * * Mathieu Rene + * Seven Du * * rtmp.c -- RTMP Signalling functions * @@ -284,8 +285,7 @@ RTMP_INVOKE_FUNCTION(rtmp_i_makeCall) if ((number = amf0_get_string(argv[1]))) { switch_event_t *event = NULL; char *auth, *user = NULL, *domain = NULL; - - if ((auth = amf0_get_string(argv[2])) && !zstr(auth)) { + if (argc >= 3 && (auth = amf0_get_string(argv[2])) && !zstr(auth)) { switch_split_user_domain(auth, &user, &domain); if (rtmp_session_check_user(rsession, user, domain) != SWITCH_STATUS_SUCCESS) { switch_log_printf(SWITCH_CHANNEL_UUID_LOG(rsession->uuid), SWITCH_LOG_WARNING, "Unauthorized call to %s, client is not logged in account [%s@%s]\n", @@ -327,6 +327,33 @@ RTMP_INVOKE_FUNCTION(rtmp_i_makeCall) return SWITCH_STATUS_SUCCESS; } +RTMP_INVOKE_FUNCTION(rtmp_i_fcSubscribe) +{ + switch_status_t status; + int ac; + amf0_data *av[3] = { 0 }; + + switch_log_printf(SWITCH_CHANNEL_UUID_LOG(rsession->uuid), SWITCH_LOG_DEBUG, "Got FCSubscribe for %s on stream %d\n", switch_str_nil(amf0_get_string(argv[1])), state->stream_id); + + ac = 3; + av[0] = argv[0]; + av[1] = argv[1]; + av[2] = amf0_boolean_new(1); + switch_assert(av[2]); + + status = rtmp_i_receiveaudio(rsession, state, amfnumber, transaction_id, ac, av); + if (status != SWITCH_STATUS_SUCCESS) return status; + + rtmp_i_receivevideo(rsession, state, amfnumber, transaction_id, ac, av); + if (status != SWITCH_STATUS_SUCCESS) return status; + + amf0_data_free(av[2]); + + rtmp_i_makeCall(rsession, state, amfnumber, transaction_id, argc, argv); + + return status; +} + RTMP_INVOKE_FUNCTION(rtmp_i_sendDTMF) { /* Send DTMFs on the active channel */ diff --git a/src/mod/endpoints/mod_rtmp/rtmp_tcp.c b/src/mod/endpoints/mod_rtmp/rtmp_tcp.c index b8470585bb..c4288a4c3b 100644 --- a/src/mod/endpoints/mod_rtmp/rtmp_tcp.c +++ b/src/mod/endpoints/mod_rtmp/rtmp_tcp.c @@ -49,34 +49,10 @@ typedef struct rtmp_io_tcp rtmp_io_tcp_t; struct rtmp_tcp_io_private { switch_pollfd_t *pollfd; switch_socket_t *socket; - switch_buffer_t *sendq; - switch_bool_t poll_send; }; typedef struct rtmp_tcp_io_private rtmp_tcp_io_private_t; -static void rtmp_tcp_alter_pollfd(rtmp_session_t *rsession, switch_bool_t pollout) -{ - rtmp_tcp_io_private_t *io_pvt = rsession->io_private; - rtmp_io_tcp_t *io = (rtmp_io_tcp_t*)rsession->profile->io; - - if (pollout && (io_pvt->pollfd->reqevents & SWITCH_POLLOUT)) { - return; - } else if (!pollout && !(io_pvt->pollfd->reqevents & SWITCH_POLLOUT)) { - return; - } - - switch_pollset_remove(io->pollset, io_pvt->pollfd); - io_pvt->pollfd->reqevents = SWITCH_POLLIN | SWITCH_POLLERR; - if (pollout) { - io_pvt->pollfd->reqevents |= SWITCH_POLLOUT; - } - switch_log_printf(SWITCH_CHANNEL_UUID_LOG(rsession->uuid), SWITCH_LOG_NOTICE, "Pollout: %s\n", - pollout ? "true" : "false"); - - switch_pollset_add(io->pollset, io_pvt->pollfd); -} - static switch_status_t rtmp_tcp_read(rtmp_session_t *rsession, unsigned char *buf, switch_size_t *len) { //rtmp_io_tcp_t *io = (rtmp_io_tcp_t*)rsession->profile->io; @@ -117,8 +93,10 @@ static switch_status_t rtmp_tcp_write(rtmp_session_t *rsession, const unsigned c { //rtmp_io_tcp_t *io = (rtmp_io_tcp_t*)rsession->profile->io; rtmp_tcp_io_private_t *io_pvt = rsession->io_private; - switch_status_t status; + switch_status_t status = SWITCH_STATUS_SUCCESS; switch_size_t orig_len = *len; + switch_size_t remaining = *len; + int sanity = 100; #ifdef RTMP_DEBUG_IO { @@ -139,29 +117,32 @@ static switch_status_t rtmp_tcp_write(rtmp_session_t *rsession, const unsigned c } #endif - if (io_pvt->sendq && switch_buffer_inuse(io_pvt->sendq) > 0) { - /* We already have queued data, append it to the sendq */ - switch_buffer_write(io_pvt->sendq, buf, *len); - return SWITCH_STATUS_SUCCESS; - } - - status = switch_socket_send_nonblock(io_pvt->socket, (char*)buf, len); - - if (*len > 0 && *len < orig_len) { - + while (remaining > 0) { if (rsession->state >= RS_DESTROY) { return SWITCH_STATUS_FALSE; } - /* We didnt send it all... add it to the sendq*/ - switch_log_printf(SWITCH_CHANNEL_UUID_LOG(rsession->uuid), SWITCH_LOG_DEBUG, "%"SWITCH_SIZE_T_FMT" bytes added to sendq.\n", (orig_len - *len)); +again: + status = switch_socket_send_nonblock(io_pvt->socket, (char*)buf, len); - switch_buffer_write(io_pvt->sendq, (buf + *len), orig_len - *len); + if ((status == 32 || SWITCH_STATUS_IS_BREAK(status)) && sanity-- > 0) { + switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "sending too fast, retrying %d\n", sanity); + goto again; + } + + if (status != SWITCH_STATUS_SUCCESS) { + switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "send error %d\n", status); + break; + } - /* Make sure we poll-write */ - rtmp_tcp_alter_pollfd(rsession, SWITCH_TRUE); + if (*len != orig_len) switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "sent %ld of %ld\n", *len, orig_len); + buf += *len; + remaining -= *len; + *len = remaining; } + *len = orig_len; + return status; } @@ -178,11 +159,6 @@ static switch_status_t rtmp_tcp_close(rtmp_session_t *rsession) switch_socket_close(io_pvt->socket); io_pvt->socket = NULL; } - - if ( io_pvt->sendq ) { - switch_buffer_destroy(&(io_pvt->sendq)); - } - return SWITCH_STATUS_SUCCESS; } @@ -246,7 +222,6 @@ void *SWITCH_THREAD_FUNC rtmp_io_tcp_thread(switch_thread_t *thread, void *obj) pvt->socket = newsocket; switch_socket_create_pollfd(&pvt->pollfd, newsocket, SWITCH_POLLIN | SWITCH_POLLERR, rsession, rsession->pool); switch_pollset_add(io->pollset, pvt->pollfd); - switch_buffer_create_dynamic(&pvt->sendq, 512, 1024, 0); /* Get the remote address/port info */ switch_socket_addr_get(&addr, SWITCH_TRUE, newsocket); @@ -261,18 +236,7 @@ void *SWITCH_THREAD_FUNC rtmp_io_tcp_thread(switch_thread_t *thread, void *obj) rtmp_session_t *rsession = (rtmp_session_t*)fds[i].client_data; rtmp_tcp_io_private_t *io_pvt = (rtmp_tcp_io_private_t*)rsession->io_private; - if (fds[i].rtnevents & SWITCH_POLLOUT && switch_buffer_inuse(io_pvt->sendq) > 0) { - /* Send as much remaining dataÂ as possible */ - switch_size_t sendlen; - const void *ptr; - sendlen = switch_buffer_peek_zerocopy(io_pvt->sendq, &ptr); - switch_socket_send_nonblock(io_pvt->socket, ptr, &sendlen); - switch_buffer_toss(io_pvt->sendq, sendlen); - if (switch_buffer_inuse(io_pvt->sendq) == 0) { - /* Remove our fd from OUT polling */ - rtmp_tcp_alter_pollfd(rsession, SWITCH_FALSE); - } - } else if (fds[i].rtnevents & SWITCH_POLLIN && rtmp_handle_data(rsession) != SWITCH_STATUS_SUCCESS) { + if (fds[i].rtnevents & SWITCH_POLLIN && rtmp_handle_data(rsession) != SWITCH_STATUS_SUCCESS) { switch_log_printf(SWITCH_CHANNEL_UUID_LOG(rsession->uuid), SWITCH_LOG_DEBUG, "Closing socket\n"); switch_mutex_lock(io->mutex); diff --git a/src/mod/endpoints/mod_rtmp/rtmp_video.c b/src/mod/endpoints/mod_rtmp/rtmp_video.c new file mode 100644 index 0000000000..d351640a6a --- /dev/null +++ b/src/mod/endpoints/mod_rtmp/rtmp_video.c @@ -0,0 +1,749 @@ +/* + * mod_rtmp for FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application + * Copyright (C) 2015, Seven Du. + * + * Version: MPL 1.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is rtmp_video for FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application + * + * The Initial Developer of the Original Code is Barracuda Networks Inc. + * Portions created by the Initial Developer are Copyright (C) + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Seven Du + * Da Xiong + * + * rtmp_video.c -- RTMP video + * + */ + +#include + + +amf0_data * amf0_array_shift(amf0_data * data) { + return (data != NULL) ? amf0_array_delete(data, amf0_array_first(data)) : NULL; +} + + +void rtmp2rtp_helper_init(rtmp2rtp_helper_t *helper) +{ + memset(helper, 0, sizeof(rtmp2rtp_helper_t)); + helper->nal_list = amf0_array_new(); + helper->pps = NULL; + helper->sps = NULL; + +} + +void rtp2rtmp_helper_init(rtp2rtmp_helper_t *helper) +{ + memset(helper, 0, sizeof(rtmp2rtp_helper_t)); + helper->pps = NULL; + helper->sps = NULL; + helper->send = SWITCH_FALSE; + helper->send_avc = SWITCH_FALSE; + switch_buffer_create_dynamic(&helper->rtmp_buf, 10240, 10240, 0); + switch_buffer_create_dynamic(&helper->fua_buf, 10240, 10240, 0); +} + +void rtmp2rtp_helper_destroy(rtmp2rtp_helper_t *helper) +{ + amf0_data_free(helper->nal_list); + amf0_data_free(helper->sps); + amf0_data_free(helper->pps); + helper = NULL; +} + +void rtp2rtmp_helper_destroy(rtp2rtmp_helper_t *helper) +{ + + amf0_data_free(helper->avc_conf); + amf0_data_free(helper->sps); + amf0_data_free(helper->pps); + if (helper->rtmp_buf) switch_buffer_destroy(&helper->rtmp_buf); + if (helper->fua_buf) switch_buffer_destroy(&helper->fua_buf); + helper = NULL; +} + +switch_status_t on_rtmp_tech_init(switch_core_session_t *session, rtmp_private_t *tech_pvt) +{ + + //for video + tech_pvt->video_read_frame.packet = tech_pvt->video_databuf; + tech_pvt->video_read_frame.data = tech_pvt->video_databuf + 12; + tech_pvt->video_read_frame.buflen = SWITCH_RECOMMENDED_BUFFER_SIZE - 12; + + switch_mutex_init(&tech_pvt->video_readbuf_mutex, SWITCH_MUTEX_NESTED, switch_core_session_get_pool(session)); + + switch_buffer_create_dynamic(&tech_pvt->video_readbuf, 1024, 1024, 2048000); + + rtmp2rtp_helper_init(&tech_pvt->video_read_helper); + rtp2rtmp_helper_init(&tech_pvt->video_write_helper); + tech_pvt->video_write_helper.last_mark = 1; + tech_pvt->video_codec = 0xB2; + return SWITCH_STATUS_SUCCESS; +} + +switch_status_t on_rtmp_destroy(rtmp_private_t *tech_pvt) +{ + + if (tech_pvt) { + //for video + + if (switch_core_codec_ready(&tech_pvt->video_read_codec)) { + switch_core_codec_destroy(&tech_pvt->video_read_codec); + } + + if (switch_core_codec_ready(&tech_pvt->video_write_codec)) { + switch_core_codec_destroy(&tech_pvt->video_write_codec); + } + + rtmp2rtp_helper_destroy(&tech_pvt->video_read_helper); + rtp2rtmp_helper_destroy(&tech_pvt->video_write_helper); + switch_buffer_destroy(&tech_pvt->video_readbuf); + + switch_media_handle_destroy(tech_pvt->session); + } + + return SWITCH_STATUS_SUCCESS; +} + + +/*Rtmp packet to rtp frame*/ +switch_status_t rtmp_rtmp2rtpH264(rtmp2rtp_helper_t *read_helper, uint8_t* data, uint32_t len) +{ + switch_status_t status = SWITCH_STATUS_SUCCESS; + + if (data[0] == 0x17 && data[1] == 0) { + switch_byte_t *pdata = data + 2; + int cfgVer = pdata[3]; + if (cfgVer == 1) { + int i = 0; + int numSPS = 0; + int numPPS = 0; + int lenSize = (pdata[7] & 0x03) + 1; + int lenSPS; + int lenPPS; + //sps + numSPS = pdata[8] & 0x1f; + pdata += 9; + for (i = 0; i < numSPS; i++) { + lenSPS = ((pdata[0] & 0xff) << 8) | (pdata[1] & 0xff); + pdata += 2; + if (read_helper->sps == NULL) { + read_helper->sps = amf0_string_new(pdata, lenSPS); + } + pdata += lenSPS; + } + //pps + numPPS = pdata[0]; + pdata += 1; + for (i = 0; i < numPPS; i++) { + lenPPS = ((pdata[0] & 0xff) << 8) | (pdata[1] & 0xff); + pdata +=2; + if (read_helper->pps == NULL) { + read_helper->pps = amf0_string_new(pdata, lenPPS); + } + pdata += lenPPS; + } + + read_helper->lenSize = lenSize; + + // add sps to list + if (read_helper->sps != NULL) { + amf0_data *sps = amf0_string_new( + amf0_string_get_uint8_ts(read_helper->sps), + amf0_string_get_size(read_helper->sps)); + + amf0_array_push(read_helper->nal_list, sps); + + } + // add pps to list + if (read_helper->pps != NULL) { + amf0_data *pps = amf0_string_new( + amf0_string_get_uint8_ts(read_helper->pps), + amf0_string_get_size(read_helper->pps)); + amf0_array_push(read_helper->nal_list, pps); + } + + } else { + switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR,"Unsuported cfgVer=%d" , cfgVer); + } + } else if ((data[0] == 0x17 || data[0] == 0x27) && data[1] == 1) { + if (read_helper->sps && read_helper->pps) { + switch_byte_t * pdata = data + 5; + uint32_t pdata_len = len - 5; + uint32_t lenSize = read_helper->lenSize; + switch_byte_t *nal_buf = NULL; + uint32_t nal_len = 0; + + while (pdata_len > 0) { + uint32_t nalSize = 0; + switch (lenSize) { + case 1: + nalSize = pdata[lenSize - 1] & 0xff; + break; + case 2: + nalSize = ((pdata[lenSize - 2] & 0xff) << 8) | (pdata[lenSize - 1] & 0xff); + break; + case 4: + nalSize = (pdata[lenSize - 4] & 0xff) << 24 | + (pdata[lenSize - 3] & 0xff) << 16 | + (pdata[lenSize - 2] & 0xff) << 8 | + (pdata[lenSize - 1] & 0xff); + break; + default: + switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid length size: %d" , lenSize); + return SWITCH_STATUS_FALSE; + } + + nal_buf = pdata + lenSize; + nal_len = nalSize; + + //next nal + pdata = pdata + lenSize + nalSize; + pdata_len -= (lenSize + nalSize); + } + + if ((nal_len > 0 && nal_len < len) && nal_buf != NULL) { + + switch_byte_t * remaining = nal_buf; + int32_t remaining_len = nal_len; + int nalType = remaining[0] & 0x1f; + int nri = remaining[0] & 0x60; + + if (nalType == 5 || nalType == 1) { + if (remaining_len < MAX_RTP_PAYLOAD_SIZE) { + amf0_array_push(read_helper->nal_list, amf0_string_new(remaining, remaining_len)); + } else { + switch_byte_t start = (uint8_t) 0x80; + remaining += 1; + remaining_len -= 1; + + while (remaining_len > 0) { + int32_t payload_len = (MAX_RTP_PAYLOAD_SIZE - 2) < remaining_len ? (MAX_RTP_PAYLOAD_SIZE - 2) : remaining_len; + + switch_byte_t payload[MAX_RTP_PAYLOAD_SIZE]; + switch_byte_t end; + + memcpy(payload + 2, remaining, payload_len); + remaining_len -= payload_len; + remaining += payload_len; + + end = (switch_byte_t) ((remaining_len > 0) ? 0 : 0x40); + payload[0] = nri | 28; // FU-A + payload[1] = start | end | nalType; + + amf0_array_push(read_helper->nal_list, amf0_string_new(payload, payload_len + 2)); + + start = 0; + } + } + } + + } + } + } else { + switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Missing rtmp data\n"); + } + + return status; +} + +switch_bool_t sps_changed(amf0_data *data, uint8_t *new, int datalen) +{ + uint8_t *old; + int i = 0;; + + if (!data) return SWITCH_TRUE; + if (datalen != amf0_string_get_size(data)) return SWITCH_TRUE; + + old = amf0_string_get_uint8_ts(data); + + while(i < datalen) { + if (*(old + i) != *(new + i)) return SWITCH_TRUE; + i++; + } + + return SWITCH_FALSE; +} + +switch_status_t rtmp_rtp2rtmpH264(rtp2rtmp_helper_t *helper, switch_frame_t *frame) +{ + uint8_t* packet = frame->packet; + uint32_t len = frame->packetlen; + switch_rtp_hdr_t *raw_rtp = (switch_rtp_hdr_t *)packet; + switch_byte_t *payload = packet + 12; + int datalen = len - 12; + int nalType = payload[0] & 0x1f; + uint32_t size = 0; + uint16_t rtp_seq = ntohs(raw_rtp->seq); + // uint32_t rtp_ts = ntohl(raw_rtp->ts); + static const uint8_t rtmp_header17[] = {0x17, 1, 0, 0, 0}; + static const uint8_t rtmp_header27[] = {0x27, 1, 0, 0, 0}; + + // switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, + // "read: %-4u: %02x %02x ts:%u seq:%u %s\n", + // len, payload[0], payload[1], rtp_ts, rtp_seq, raw_rtp->m ? " mark" : ""); + +#if 0 + if (helper->last_seq && helper->last_seq + 1 != rtp_seq) { + switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "possible video rtp packet loss? seq: %u - %u - 1 = %d ts: %u - %u = %d\n", + ntohs(raw_rtp->seq), helper->last_seq, (int)(rtp_seq - helper->last_seq - 1), + ntohl(raw_rtp->ts), helper->last_recv_ts, (int)(rtp_ts - helper->last_recv_ts)); + +/* + if (nalType != 7) { + if (helper->sps) { + amf0_data_free(helper->sps); + helper->sps = NULL; + } + helper->last_recv_ts = rtp_ts; + helper->last_mark = raw_rtp->m; + helper->last_seq = rtp_seq; + goto wait_sps; + } +*/ + } + +#endif + + if (helper->last_recv_ts != frame->timestamp) { + switch_buffer_zero(helper->rtmp_buf); + switch_buffer_zero(helper->fua_buf); + } + helper->last_recv_ts = frame->timestamp; + helper->last_mark = frame->m;//raw_rtp->m; + helper->last_seq = rtp_seq; + + switch (nalType) { + case 7: //sps + if (sps_changed(helper->sps, payload, datalen)) { + amf0_data_free(helper->sps); + helper->sps = amf0_string_new(payload, datalen); + helper->sps_changed++; + } else { + helper->sps_changed = 0; + } + break; + case 8: //pps + amf0_data_free(helper->pps); + helper->pps = amf0_string_new(payload, datalen); + break; + case 1: //Non IDR + size = htonl(datalen); + if (switch_buffer_inuse(helper->rtmp_buf) == 0) + switch_buffer_write(helper->rtmp_buf, rtmp_header27, sizeof(rtmp_header27)); + switch_buffer_write(helper->rtmp_buf, &size, sizeof(uint32_t)); + switch_buffer_write(helper->rtmp_buf, payload, datalen); + break; + case 5: //IDR + size = htonl(datalen); + if (switch_buffer_inuse(helper->rtmp_buf) == 0) + switch_buffer_write(helper->rtmp_buf, rtmp_header17, sizeof(rtmp_header17)); + switch_buffer_write(helper->rtmp_buf, &size, sizeof(uint32_t)); + switch_buffer_write(helper->rtmp_buf, payload, datalen); + break; + case 28: //FU-A + { + uint8_t *q = payload; + uint8_t h264_start_bit = q[1] & 0x80; + uint8_t h264_end_bit = q[1] & 0x40; + uint8_t h264_type = q[1] & 0x1F; + uint8_t h264_nri = (q[0] & 0x60) >> 5; + uint8_t h264_key = (h264_nri << 5) | h264_type; + + if (h264_start_bit) { + /* write NAL unit code */ + switch_buffer_write(helper->fua_buf, &h264_key, sizeof(h264_key)); + } + + switch_buffer_write(helper->fua_buf, q + 2, datalen - 2); + + if (h264_end_bit) { + const void * nal_data; + + uint32_t used = switch_buffer_inuse(helper->fua_buf); + uint32_t used_big = htonl(used); + switch_buffer_peek_zerocopy(helper->fua_buf, &nal_data); + + nalType = ((uint8_t*)nal_data)[0] & 0x1f; + if (switch_buffer_inuse(helper->rtmp_buf) == 0) { + if (nalType == 5) + switch_buffer_write(helper->rtmp_buf, rtmp_header17, sizeof(rtmp_header17)); + else + switch_buffer_write(helper->rtmp_buf, rtmp_header27, sizeof(rtmp_header27)); + } + + switch_buffer_write(helper->rtmp_buf, &used_big, sizeof(uint32_t)); + switch_buffer_write(helper->rtmp_buf, nal_data, used); + switch_buffer_zero(helper->fua_buf); + } + + } + break; + case 24: + {// for aggregated SPS and PPSs + uint8_t *q = payload + 1; + uint16_t nalu_size = 0; + int nt = 0; + int nidx = 0; + while (nidx < datalen - 1) { + /* get NALU size */ + nalu_size = (q[nidx] << 8) | (q[nidx + 1]); + + nidx += 2; + + if (nalu_size == 0) { + nidx++; + continue; + } + + /* write NALU data */ + nt = q[nidx] & 0x1f; + switch (nt) { + case 1: //Non IDR + size = htonl(nalu_size); + if (switch_buffer_inuse(helper->rtmp_buf) == 0) + switch_buffer_write(helper->rtmp_buf, rtmp_header27, sizeof(rtmp_header27)); + switch_buffer_write(helper->rtmp_buf, &size, sizeof(uint32_t)); + switch_buffer_write(helper->rtmp_buf, q + nidx, nalu_size); + break; + case 5: // IDR + size = htonl(nalu_size); + if (switch_buffer_inuse(helper->rtmp_buf) == 0) + switch_buffer_write(helper->rtmp_buf, rtmp_header17, sizeof(rtmp_header17)); + + switch_buffer_write(helper->rtmp_buf, &size, sizeof(uint32_t)); + switch_buffer_write(helper->rtmp_buf, q + nidx, nalu_size); + break; + case 7: //sps + amf0_data_free(helper->sps); + helper->sps = amf0_string_new( q + nidx, nalu_size); + break; + case 8: //pps + amf0_data_free(helper->pps); + helper->pps = amf0_string_new(q + nidx, nalu_size); + break; + default: + switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Unsupported NAL %d in STAP-A\n", nt); + break; + } + nidx += nalu_size; + } + } + break; + default: + switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Unsupported NAL %d\n", nalType); + break; + } + + // build the avc seq + if (helper->sps_changed && helper->sps != NULL && helper->pps != NULL) { + + int i = 0; + uint16_t size; + uint8_t *sps = amf0_string_get_uint8_ts(helper->sps); + unsigned char buf[AMF_MAX_SIZE * 2]; /* make sure the buffer is big enough */ + + buf[i++] = 0x17; // i = 0 + buf[i++] = 0; // 0 for sps/pps packet + buf[i++] = 0; // timestamp + buf[i++] = 0; // timestamp + buf[i++] = 0; // timestamp + buf[i++] = 1; // AVC Decode Configuration Version + buf[i++] = sps[1]; // H264 profile 0x42 = Baseline + buf[i++] = sps[2]; // Compatiable Level + buf[i++] = sps[3]; // H264 profile 0x1e = profile 30, 0x1f = profile 31 + buf[i++] = 0xff; // 111111 11 0B11 = 3 = lengthSizeMinusOne, LengtSize = 4 + buf[i++] = 0xe1; // i = 10, number of sps = 1 + + // 2 bytes sps size + size = htons(amf0_string_get_size(helper->sps)); + memcpy(buf + i, &size, 2); + i += 2; + // sps data + memcpy(buf + i, sps, amf0_string_get_size(helper->sps)); + buf[i] = 0x67; // set sps header, eyebeam sends 0x27, we set nri = 3, set it to be most important + i += amf0_string_get_size(helper->sps); + + buf[i++] = 0x01; // number of pps + + // 2 bytes pps size + size = htons(amf0_string_get_size(helper->pps)); + memcpy(buf + i, &size, 2); + i += 2; + // pps data + memcpy(buf + i, amf0_string_get_uint8_ts(helper->pps), amf0_string_get_size(helper->pps)); + buf[i] = 0x68; // set pps header + i += amf0_string_get_size(helper->pps); + + amf0_data_free(helper->avc_conf); + helper->avc_conf = amf0_string_new(buf, i); + helper->send_avc = SWITCH_TRUE; + } + + if (frame->m) { + if (helper->avc_conf) { + helper->send = SWITCH_TRUE; + } else { + +// wait_sps: + switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "waiting for sps and pps\n"); + switch_buffer_zero(helper->rtmp_buf); + switch_buffer_zero(helper->fua_buf); + helper->send = SWITCH_FALSE; + } + } + + return SWITCH_STATUS_SUCCESS; +} + +switch_status_t rtmp_write_video_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id) +{ + + switch_channel_t *channel = NULL; + rtmp_private_t *tech_pvt = NULL; + rtmp_session_t *rsession = NULL; + switch_time_t ts = 0; + rtp2rtmp_helper_t *helper; + switch_status_t status = SWITCH_STATUS_SUCCESS; + + channel = switch_core_session_get_channel(session); + assert(channel != NULL); + + tech_pvt = switch_core_session_get_private(session); + assert(tech_pvt != NULL); + + helper = &tech_pvt->video_write_helper; + assert(helper != NULL); + + rsession = tech_pvt->rtmp_session; + + if (rsession == NULL) { + return SWITCH_STATUS_FALSE; + } + + //emulate lost packets + // if (frame->seq > 0 && frame->seq % 20 == 0) return SWITCH_STATUS_SUCCESS; + + switch_thread_rwlock_wrlock(rsession->rwlock); + + if (!switch_test_flag(tech_pvt, TFLAG_IO)) { + switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "TFLAG_IO not set\n"); + switch_goto_status(SWITCH_STATUS_FALSE, end); + } + + if (switch_test_flag(tech_pvt, TFLAG_DETACHED) || !switch_test_flag(tech_pvt->rtmp_session, SFLAG_VIDEO)) { + switch_goto_status(SWITCH_STATUS_SUCCESS, end); + } + + if (!tech_pvt->rtmp_session || !tech_pvt->video_codec || !tech_pvt->write_channel) { + switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Missing mandatory value\n"); + switch_goto_status(SWITCH_STATUS_FALSE, end); + } + + if (tech_pvt->rtmp_session->state >= RS_DESTROY) { + switch_goto_status(SWITCH_STATUS_FALSE, end); + } + + if (frame->flags & SFF_CNG) { + switch_goto_status(SWITCH_STATUS_SUCCESS, end); + } + + rtmp_rtp2rtmpH264(helper, frame); + + if (helper->send) { + uint16_t used = switch_buffer_inuse(helper->rtmp_buf); + const void *rtmp_data = NULL; + + switch_buffer_peek_zerocopy(helper->rtmp_buf, &rtmp_data); + + if (!tech_pvt->stream_start_ts) { + tech_pvt->stream_start_ts = switch_micro_time_now() / 1000; + ts = 0; + } else { + ts = (switch_micro_time_now() / 1000) - tech_pvt->stream_start_ts; + } + +#if 0 + { /* use timestamp read from the frame */ + uint32_t timestamp = frame->timestamp & 0xFFFFFFFF; + ts = timestamp / 90; + } +#endif + + if (ts == tech_pvt->stream_last_ts) { + // switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "dup ts: %" SWITCH_TIME_T_FMT "\n", ts); + ts += 1; + if (ts == 1) ts = 0; + } + + tech_pvt->stream_last_ts = ts; + + if (!rtmp_data) { + goto skip; + } + + if (((uint8_t *)rtmp_data)[0] == 0x17 && helper->send_avc) { + uint8_t *avc_conf = amf0_string_get_uint8_ts(helper->avc_conf); + + rtmp_send_message(tech_pvt->rtmp_session, RTMP_DEFAULT_STREAM_VIDEO, ts, + RTMP_TYPE_VIDEO, tech_pvt->rtmp_session->media_streamid, avc_conf, amf0_string_get_size(helper->avc_conf), 0); + helper->send_avc = SWITCH_FALSE; + } + + status = rtmp_send_message(tech_pvt->rtmp_session, RTMP_DEFAULT_STREAM_VIDEO, ts, + RTMP_TYPE_VIDEO, tech_pvt->rtmp_session->media_streamid, rtmp_data, used, 0); + + // if dropped_video_frame > N then ask the far end for a new IDR for each N frames + if (rsession->dropped_video_frame > 0 && rsession->dropped_video_frame % 90 == 0) { + switch_core_session_t *other_session; + if (switch_core_session_get_partner(session, &other_session) == SWITCH_STATUS_SUCCESS) { + switch_core_session_request_video_refresh(session); + switch_core_session_rwunlock(other_session); + } + } +skip: + switch_buffer_zero(helper->rtmp_buf); + switch_buffer_zero(helper->fua_buf); + helper->send = SWITCH_FALSE; + } + +end: + switch_thread_rwlock_unlock(rsession->rwlock); + return status; +} + + +switch_status_t rtmp_read_video_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id) +{ + switch_channel_t *channel = NULL; + rtmp_private_t *tech_pvt = NULL; + uint16_t len; + + channel = switch_core_session_get_channel(session); + assert(channel != NULL); + + tech_pvt = switch_core_session_get_private(session); + assert(tech_pvt != NULL); + + if (tech_pvt->rtmp_session->state >= RS_DESTROY) { + return SWITCH_STATUS_FALSE; + } + + if (switch_test_flag(tech_pvt, TFLAG_DETACHED)) { + switch_yield(20000); + goto cng; + } + + tech_pvt->video_read_frame.flags = SFF_RAW_RTP; + tech_pvt->video_read_frame.codec = &tech_pvt->video_read_codec; + + if (amf0_array_size(tech_pvt->video_read_helper.nal_list) > 0) { + goto wr_frame; + } + + if (switch_buffer_inuse(tech_pvt->video_readbuf) < 2) { + switch_yield(20000); + switch_cond_next(); + } + + if (switch_buffer_inuse(tech_pvt->video_readbuf) < 2) { + switch_yield(20000); + goto cng; + } else { + switch_mutex_lock(tech_pvt->video_readbuf_mutex); + switch_buffer_peek(tech_pvt->video_readbuf, &len, 2); + if (switch_buffer_inuse(tech_pvt->video_readbuf) >= len) { + if (len == 0) { + switch_mutex_unlock(tech_pvt->video_readbuf_mutex); + switch_yield(20000); + goto cng; + } else { + const void *data = NULL; + switch_buffer_toss(tech_pvt->video_readbuf, 2); + switch_buffer_read(tech_pvt->video_readbuf, &tech_pvt->video_read_ts, 4); + tech_pvt->video_read_ts *= 90; + switch_buffer_peek_zerocopy(tech_pvt->video_readbuf, &data); + rtmp_rtmp2rtpH264(&tech_pvt->video_read_helper, (uint8_t *)data, len); + switch_buffer_toss(tech_pvt->video_readbuf, len); + + if (amf0_array_size(tech_pvt->video_read_helper.nal_list) == 0) { + switch_mutex_unlock(tech_pvt->video_readbuf_mutex); + switch_yield(20000); + goto cng; + } + } + } + switch_mutex_unlock(tech_pvt->video_readbuf_mutex); + } + +wr_frame: + { + amf0_data *amf_data; + amf_data = amf0_array_shift(tech_pvt->video_read_helper.nal_list); + if (amf_data) { + int data_size = amf0_string_get_size(amf_data); + if (data_size > 1500) { + switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "data size too large: %d\n", data_size); + amf0_data_free(amf_data); + goto cng; + } + + memcpy(tech_pvt->video_read_frame.data, amf0_string_get_uint8_ts(amf_data), data_size); + tech_pvt->video_read_frame.datalen = data_size; + tech_pvt->video_read_frame.packetlen = data_size + 12; + amf0_data_free(amf_data); + } else { + switch_yield(20000); + goto cng; + } + } + + { /* set the marker bit on the last packet*/ + uint8_t *p = tech_pvt->video_read_frame.data; + uint8_t fragment_type = p[0] & 0x1f; + uint8_t end_bit = p[1] & 0x40; + switch_rtp_hdr_t *rtp_hdr = tech_pvt->video_read_frame.packet; + + if (fragment_type == 28) { + tech_pvt->video_read_frame.m = end_bit == 0x40 ? SWITCH_TRUE : SWITCH_FALSE; + } else { + tech_pvt->video_read_frame.m = SWITCH_TRUE; + } + + rtp_hdr->version = 2; + rtp_hdr->p = 0; + rtp_hdr->x = 0; + rtp_hdr->ts = htonl(tech_pvt->video_read_ts); + rtp_hdr->m = tech_pvt->video_read_frame.m; + rtp_hdr->seq = htons(tech_pvt->seq++); + if (rtp_hdr->ssrc == 0) rtp_hdr->ssrc = (uint32_t) (intptr_t) tech_pvt; + // switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "read %2x %2x %u %u\n", p[0], p[1], tech_pvt->video_read_ts, rtp_hdr->ssrc); + } + + *frame = &tech_pvt->video_read_frame; + (*frame)->img = NULL; + return SWITCH_STATUS_SUCCESS; + +cng: + tech_pvt->video_read_frame.datalen = 0; + tech_pvt->video_read_frame.flags = SFF_CNG; + tech_pvt->video_read_frame.codec = &tech_pvt->video_read_codec; + + *frame = &tech_pvt->video_read_frame; + + return SWITCH_STATUS_SUCCESS; +} diff --git a/src/mod/endpoints/mod_rtmp/rtmp_video.h b/src/mod/endpoints/mod_rtmp/rtmp_video.h new file mode 100644 index 0000000000..e62ce4cbb8 --- /dev/null +++ b/src/mod/endpoints/mod_rtmp/rtmp_video.h @@ -0,0 +1,49 @@ +/* + * mod_rtmp for FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application + * Copyright (C) 2015, Seven Du. + * + * Version: MPL 1.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is rtmp_video for FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application + * + * The Initial Developer of the Original Code is Seven Du + * Portions created by the Initial Developer are Copyright (C) + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Seven Du + * Da Xiong + * + * rtmp_video.h -- RTMP video + * + */ + + +#include "amf0.h" +#include "mod_rtmp.h" + +#define MAX_RTP_PAYLOAD_SIZE 1400 + +void rtmp2rtp_helper_init(rtmp2rtp_helper_t *helper); +void rtp2rtmp_helper_init(rtp2rtmp_helper_t *helper); +void rtmp2rtp_helper_destroy(rtmp2rtp_helper_t *helper); +void rtp2rtmp_helper_destroy(rtp2rtmp_helper_t *helper); +switch_status_t on_rtmp_tech_init(switch_core_session_t *session, rtmp_private_t *tech_pvt); +switch_status_t on_rtmp_destroy(rtmp_private_t *tech_pvt); + +/*Rtmp packet to rtp frame*/ +switch_status_t rtmp_rtmp2rtpH264(rtmp2rtp_helper_t *read_helper, uint8_t* data, uint32_t len); +switch_status_t rtmp_rtp2rtmpH264(rtp2rtmp_helper_t *helper, switch_frame_t *frame); +switch_status_t rtmp_write_video_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id); +switch_status_t rtmp_read_video_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id); -- 2.47.2

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