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Copy pathsrs_librtmp.cpp
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2817 lines (2281 loc) · 84.2 KB
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/**
* The MIT License (MIT)
*
* Copyright (c) 2013-2017 OSSRS(winlin)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <srs_librtmp.hpp>
#include <stdlib.h>
// for srs-librtmp, @see https://github.com/ossrs/srs/issues/213
#ifndef _WIN32
#include <sys/time.h>
#include <unistd.h>
#endif
#include <string>
#include <sstream>
using namespace std;
#include <srs_kernel_error.hpp>
#include <srs_rtmp_stack.hpp>
#include <srs_lib_simple_socket.hpp>
#include <srs_protocol_utility.hpp>
#include <srs_core_autofree.hpp>
#include <srs_rtmp_stack.hpp>
#include <srs_kernel_utility.hpp>
#include <srs_kernel_buffer.hpp>
#include <srs_protocol_amf0.hpp>
#include <srs_kernel_flv.hpp>
#include <srs_kernel_codec.hpp>
#include <srs_kernel_file.hpp>
#include <srs_lib_bandwidth.hpp>
#include <srs_raw_avc.hpp>
#include <srs_kernel_mp4.hpp>
// kernel module.
ISrsLog* _srs_log = new ISrsLog();
ISrsThreadContext* _srs_context = new ISrsThreadContext();
// The default socket timeout in ms.
#define SRS_SOCKET_DEFAULT_TMMS (30 * 1000)
/**
* export runtime context.
*/
struct Context
{
// The original RTMP url.
std::string url;
// Parse from url.
std::string tcUrl;
std::string host;
std::string vhost;
std::string app;
std::string stream;
std::string param;
// Parse ip:port from host.
std::string ip;
int port;
// The URL schema, about vhost/app/stream?param
srs_url_schema schema;
// The server information, response by connect app.
SrsServerInfo si;
// The extra request object for connect to server, NULL to ignore.
SrsRequest* req;
// the message received cache,
// for example, when got aggregate message,
// the context will parse to videos/audios,
// and return one by one.
std::vector<SrsCommonMessage*> msgs;
SrsRtmpClient* rtmp;
SimpleSocketStream* skt;
int stream_id;
// the remux raw codec.
SrsRawH264Stream avc_raw;
SrsRawAacStream aac_raw;
// for h264 raw stream,
// @see: https://github.com/ossrs/srs/issues/66#issuecomment-62240521
SrsBuffer h264_raw_stream;
// about SPS, @see: 7.3.2.1.1, ISO_IEC_14496-10-AVC-2012.pdf, page 62
std::string h264_sps;
std::string h264_pps;
// whether the sps and pps sent,
// @see https://github.com/ossrs/srs/issues/203
bool h264_sps_pps_sent;
// only send the ssp and pps when both changed.
// @see https://github.com/ossrs/srs/issues/204
bool h264_sps_changed;
bool h264_pps_changed;
// for aac raw stream,
// @see: https://github.com/ossrs/srs/issues/212#issuecomment-64146250
SrsBuffer aac_raw_stream;
// the aac sequence header.
std::string aac_specific_config;
// user set timeout, in ms.
int64_t stimeout;
int64_t rtimeout;
// The RTMP handler level buffer, can used to format packet.
char buffer[1024];
Context() : port(0) {
rtmp = NULL;
skt = NULL;
req = NULL;
stream_id = 0;
h264_sps_pps_sent = false;
h264_sps_changed = false;
h264_pps_changed = false;
rtimeout = stimeout = SRS_CONSTS_NO_TMMS;
schema = srs_url_schema_normal;
}
virtual ~Context() {
srs_freep(req);
srs_freep(rtmp);
srs_freep(skt);
std::vector<SrsCommonMessage*>::iterator it;
for (it = msgs.begin(); it != msgs.end(); ++it) {
SrsCommonMessage* msg = *it;
srs_freep(msg);
}
msgs.clear();
}
};
// for srs-librtmp, @see https://github.com/ossrs/srs/issues/213
#ifdef _WIN32
int gettimeofday(struct timeval* tv, struct timezone* tz)
{
time_t clock;
struct tm tm;
SYSTEMTIME win_time;
GetLocalTime(&win_time);
tm.tm_year = win_time.wYear - 1900;
tm.tm_mon = win_time.wMonth - 1;
tm.tm_mday = win_time.wDay;
tm.tm_hour = win_time.wHour;
tm.tm_min = win_time.wMinute;
tm.tm_sec = win_time.wSecond;
tm.tm_isdst = -1;
clock = mktime(&tm);
tv->tv_sec = (long)clock;
tv->tv_usec = win_time.wMilliseconds * 1000;
return 0;
}
int socket_setup()
{
WORD wVersionRequested;
WSADATA wsaData;
int err;
/* Use the MAKEWORD(lowbyte, highbyte) macro declared in Windef.h */
wVersionRequested = MAKEWORD(2, 2);
err = WSAStartup(wVersionRequested, &wsaData);
if (err != 0) {
/* Tell the user that we could not find a usable */
/* Winsock DLL. */
//printf("WSAStartup failed with error: %d\n", err);
return -1;
}
return 0;
}
int socket_cleanup()
{
WSACleanup();
return 0;
}
pid_t getpid(void)
{
return (pid_t)GetCurrentProcessId();
}
int usleep(useconds_t usec)
{
Sleep((DWORD)(usec / 1000));
return 0;
}
ssize_t writev(int fd, const struct iovec *iov, int iovcnt)
{
ssize_t nwrite = 0;
for (int i = 0; i < iovcnt; i++) {
const struct iovec* current = iov + i;
int nsent = ::send(fd, (char*)current->iov_base, current->iov_len, 0);
if (nsent < 0) {
return nsent;
}
nwrite += nsent;
if (nsent == 0) {
return nwrite;
}
}
return nwrite;
}
//////////////////////// strlcpy.c (modified) //////////////////////////
/* $OpenBSD: strlcpy.c,v 1.11 2006/05/05 15:27:38 millert Exp $ */
/*-
* Copyright (c) 1998 Todd C. Miller <[email protected]>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//#include <sys/cdefs.h> // ****
//#include <cstddef> // ****
// __FBSDID("$FreeBSD: stable/9/sys/libkern/strlcpy.c 243811 2012-12-03 18:08:44Z delphij $"); // ****
// #include <sys/types.h> // ****
// #include <sys/libkern.h> // ****
/*
* Copy src to string dst of size siz. At most siz-1 characters
* will be copied. Always NUL terminates (unless siz == 0).
* Returns strlen(src); if retval >= siz, truncation occurred.
*/
//#define __restrict // ****
std::size_t strlcpy(char * __restrict dst, const char * __restrict src, size_t siz)
{
char *d = dst;
const char *s = src;
size_t n = siz;
/* Copy as many bytes as will fit */
if (n != 0) {
while (--n != 0) {
if ((*d++ = *s++) == '\0')
break;
}
}
/* Not enough room in dst, add NUL and traverse rest of src */
if (n == 0) {
if (siz != 0)
*d = '\0'; /* NUL-terminate dst */
while (*s++)
;
}
return(s - src - 1); /* count does not include NUL */
}
// http://www.cplusplus.com/forum/general/141779///////////////////////// inet_ntop.c (modified) //////////////////////////
/*
* Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
* Copyright (c) 1996-1999 by Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
// #if defined(LIBC_SCCS) && !defined(lint) // ****
//static const char rcsid[] = "$Id: inet_ntop.c,v 1.3.18.2 2005/11/03 23:02:22 marka Exp $";
// #endif /* LIBC_SCCS and not lint */ // ****
// #include <sys/cdefs.h> // ****
// __FBSDID("$FreeBSD: stable/9/sys/libkern/inet_ntop.c 213103 2010-09-24 15:01:45Z attilio $"); // ****
//#define _WIN32_WINNT _WIN32_WINNT_WIN8 // ****
//#include <Ws2tcpip.h> // ****
#pragma comment(lib, "Ws2_32.lib") // ****
//#include <cstdio> // ****
// #include <sys/param.h> // ****
// #include <sys/socket.h> // ****
// #include <sys/systm.h> // ****
// #include <netinet/in.h> // ****
/*%
* WARNING: Don't even consider trying to compile this on a system where
* sizeof(int) < 4. sizeof(int) > 4 is fine; all the world's not a VAX.
*/
static char *inet_ntop4(const u_char *src, char *dst, socklen_t size);
static char *inet_ntop6(const u_char *src, char *dst, socklen_t size);
/* char *
* inet_ntop(af, src, dst, size)
* convert a network format address to presentation format.
* return:
* pointer to presentation format address (`dst'), or NULL (see errno).
* author:
* Paul Vixie, 1996.
*/
const char* inet_ntop(int af, const void *src, char *dst, socklen_t size)
{
switch (af) {
case AF_INET:
return (inet_ntop4( (unsigned char*)src, (char*)dst, size)); // ****
#ifdef AF_INET6
#error "IPv6 not supported"
//case AF_INET6:
// return (char*)(inet_ntop6( (unsigned char*)src, (char*)dst, size)); // ****
#endif
default:
// return (NULL); // ****
return 0 ; // ****
}
/* NOTREACHED */
}
/* const char *
* inet_ntop4(src, dst, size)
* format an IPv4 address
* return:
* `dst' (as a const)
* notes:
* (1) uses no statics
* (2) takes a u_char* not an in_addr as input
* author:
* Paul Vixie, 1996.
*/
static char * inet_ntop4(const u_char *src, char *dst, socklen_t size)
{
static const char fmt[128] = "%u.%u.%u.%u";
char tmp[sizeof "255.255.255.255"];
int l;
l = snprintf(tmp, sizeof(tmp), fmt, src[0], src[1], src[2], src[3]); // ****
if (l <= 0 || (socklen_t) l >= size) {
return (NULL);
}
strlcpy(dst, tmp, size);
return (dst);
}
/* const char *
* inet_ntop6(src, dst, size)
* convert IPv6 binary address into presentation (printable) format
* author:
* Paul Vixie, 1996.
*/
static char * inet_ntop6(const u_char *src, char *dst, socklen_t size)
{
/*
* Note that int32_t and int16_t need only be "at least" large enough
* to contain a value of the specified size. On some systems, like
* Crays, there is no such thing as an integer variable with 16 bits.
* Keep this in mind if you think this function should have been coded
* to use pointer overlays. All the world's not a VAX.
*/
char tmp[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255"], *tp;
struct { int base, len; } best, cur;
#define NS_IN6ADDRSZ 16
#define NS_INT16SZ 2
u_int words[NS_IN6ADDRSZ / NS_INT16SZ];
int i;
/*
* Preprocess:
* Copy the input (bytewise) array into a wordwise array.
* Find the longest run of 0x00's in src[] for :: shorthanding.
*/
memset(words, '\0', sizeof words);
for (i = 0; i < NS_IN6ADDRSZ; i++)
words[i / 2] |= (src[i] << ((1 - (i % 2)) << 3));
best.base = -1;
best.len = 0;
cur.base = -1;
cur.len = 0;
for (i = 0; i < (NS_IN6ADDRSZ / NS_INT16SZ); i++) {
if (words[i] == 0) {
if (cur.base == -1)
cur.base = i, cur.len = 1;
else
cur.len++;
} else {
if (cur.base != -1) {
if (best.base == -1 || cur.len > best.len)
best = cur;
cur.base = -1;
}
}
}
if (cur.base != -1) {
if (best.base == -1 || cur.len > best.len)
best = cur;
}
if (best.base != -1 && best.len < 2)
best.base = -1;
/*
* Format the result.
*/
tp = tmp;
for (i = 0; i < (NS_IN6ADDRSZ / NS_INT16SZ); i++) {
/* Are we inside the best run of 0x00's? */
if (best.base != -1 && i >= best.base &&
i < (best.base + best.len)) {
if (i == best.base)
*tp++ = ':';
continue;
}
/* Are we following an initial run of 0x00s or any real hex? */
if (i != 0)
*tp++ = ':';
/* Is this address an encapsulated IPv4? */
if (i == 6 && best.base == 0 && (best.len == 6 ||
(best.len == 7 && words[7] != 0x0001) ||
(best.len == 5 && words[5] == 0xffff))) {
if (!inet_ntop4(src+12, tp, sizeof tmp - (tp - tmp)))
return (NULL);
tp += strlen(tp);
break;
}
tp += std::sprintf(tp, "%x", words[i]); // ****
}
/* Was it a trailing run of 0x00's? */
if (best.base != -1 && (best.base + best.len) ==
(NS_IN6ADDRSZ / NS_INT16SZ))
*tp++ = ':';
*tp++ = '\0';
/*
* Check for overflow, copy, and we're done.
*/
if ((socklen_t)(tp - tmp) > size) {
return (NULL);
}
strcpy(dst, tmp);
return (dst);
}
#endif
int srs_librtmp_context_parse_uri(Context* context)
{
int ret = ERROR_SUCCESS;
std::string schema;
srs_parse_rtmp_url(context->url, context->tcUrl, context->stream);
// when connect, we only need to parse the tcUrl
srs_discovery_tc_url(context->tcUrl,
schema, context->host, context->vhost, context->app, context->port,
context->param);
return ret;
}
int srs_librtmp_context_resolve_host(Context* context)
{
int ret = ERROR_SUCCESS;
// connect to server:port
context->ip = srs_dns_resolve(context->host);
if (context->ip.empty()) {
return ERROR_SYSTEM_DNS_RESOLVE;
}
return ret;
}
int srs_librtmp_context_connect(Context* context)
{
int ret = ERROR_SUCCESS;
srs_assert(context->skt);
std::string ip = context->ip;
if ((ret = context->skt->connect(ip.c_str(), context->port)) != ERROR_SUCCESS) {
return ret;
}
return ret;
}
#ifdef __cplusplus
extern "C"{
#endif
int srs_version_major()
{
return VERSION_MAJOR;
}
int srs_version_minor()
{
return VERSION_MINOR;
}
int srs_version_revision()
{
return VERSION_REVISION;
}
srs_rtmp_t srs_rtmp_create(const char* url)
{
int ret = ERROR_SUCCESS;
Context* context = new Context();
context->url = url;
// create socket
srs_freep(context->skt);
context->skt = new SimpleSocketStream();
if ((ret = context->skt->create_socket(context)) != ERROR_SUCCESS) {
srs_human_error("Create socket failed, ret=%d", ret);
// free the context and return NULL
srs_freep(context);
return NULL;
}
return context;
}
int srs_rtmp_set_timeout(srs_rtmp_t rtmp, int recv_timeout_ms, int send_timeout_ms)
{
int ret = ERROR_SUCCESS;
if (!rtmp) {
return ret;
}
Context* context = (Context*)rtmp;
context->stimeout = send_timeout_ms;
context->rtimeout = recv_timeout_ms;
context->skt->set_recv_timeout(context->rtimeout);
context->skt->set_send_timeout(context->stimeout);
return ret;
}
void srs_rtmp_destroy(srs_rtmp_t rtmp)
{
if (!rtmp) {
return;
}
Context* context = (Context*)rtmp;
srs_freep(context);
}
int srs_rtmp_handshake(srs_rtmp_t rtmp)
{
int ret = ERROR_SUCCESS;
if ((ret = srs_rtmp_dns_resolve(rtmp)) != ERROR_SUCCESS) {
return ret;
}
if ((ret = srs_rtmp_connect_server(rtmp)) != ERROR_SUCCESS) {
return ret;
}
if ((ret = srs_rtmp_do_simple_handshake(rtmp)) != ERROR_SUCCESS) {
return ret;
}
return ret;
}
int srs_rtmp_dns_resolve(srs_rtmp_t rtmp)
{
int ret = ERROR_SUCCESS;
srs_assert(rtmp != NULL);
Context* context = (Context*)rtmp;
// parse uri
if ((ret = srs_librtmp_context_parse_uri(context)) != ERROR_SUCCESS) {
return ret;
}
// resolve host
if ((ret = srs_librtmp_context_resolve_host(context)) != ERROR_SUCCESS) {
return ret;
}
return ret;
}
int srs_rtmp_connect_server(srs_rtmp_t rtmp)
{
int ret = ERROR_SUCCESS;
srs_assert(rtmp != NULL);
Context* context = (Context*)rtmp;
// set timeout if user not set.
if (context->stimeout == SRS_CONSTS_NO_TMMS) {
context->stimeout = SRS_SOCKET_DEFAULT_TMMS;
context->skt->set_send_timeout(context->stimeout);
}
if (context->rtimeout == SRS_CONSTS_NO_TMMS) {
context->rtimeout = SRS_SOCKET_DEFAULT_TMMS;
context->skt->set_recv_timeout(context->rtimeout);
}
if ((ret = srs_librtmp_context_connect(context)) != ERROR_SUCCESS) {
return ret;
}
return ret;
}
int srs_rtmp_do_complex_handshake(srs_rtmp_t rtmp)
{
#ifndef SRS_AUTO_SSL
// complex handshake requires ssl
return ERROR_RTMP_HS_SSL_REQUIRE;
#else
int ret = ERROR_SUCCESS;
srs_assert(rtmp != NULL);
Context* context = (Context*)rtmp;
srs_assert(context->skt != NULL);
// simple handshake
srs_freep(context->rtmp);
context->rtmp = new SrsRtmpClient(context->skt);
if ((ret = context->rtmp->complex_handshake()) != ERROR_SUCCESS) {
return ret;
}
return ret;
#endif
}
int srs_rtmp_do_simple_handshake(srs_rtmp_t rtmp)
{
int ret = ERROR_SUCCESS;
srs_assert(rtmp != NULL);
Context* context = (Context*)rtmp;
srs_assert(context->skt != NULL);
// simple handshake
srs_freep(context->rtmp);
context->rtmp = new SrsRtmpClient(context->skt);
if ((ret = context->rtmp->simple_handshake()) != ERROR_SUCCESS) {
return ret;
}
return ret;
}
int srs_rtmp_set_connect_args(srs_rtmp_t rtmp,
const char* tcUrl, const char* swfUrl, const char* pageUrl, srs_amf0_t args
) {
int ret = ERROR_SUCCESS;
srs_assert(rtmp != NULL);
Context* context = (Context*)rtmp;
srs_freep(context->req);
context->req = new SrsRequest();
if (args) {
context->req->args = (SrsAmf0Object*)args;
}
if (tcUrl) {
context->req->tcUrl = tcUrl;
}
if (swfUrl) {
context->req->swfUrl = swfUrl;
}
if (pageUrl) {
context->req->pageUrl = pageUrl;
}
return ret;
}
int srs_rtmp_set_schema(srs_rtmp_t rtmp, enum srs_url_schema schema)
{
int ret = ERROR_SUCCESS;
srs_assert(rtmp != NULL);
Context* context = (Context*)rtmp;
context->schema = schema;
return ret;
}
int srs_rtmp_connect_app(srs_rtmp_t rtmp)
{
int ret = ERROR_SUCCESS;
srs_assert(rtmp != NULL);
Context* context = (Context*)rtmp;
string tcUrl;
switch(context->schema) {
case srs_url_schema_normal:
tcUrl=srs_generate_normal_tc_url(context->ip, context->vhost, context->app, context->port, context->param);
break;
case srs_url_schema_via:
tcUrl=srs_generate_via_tc_url(context->ip, context->vhost, context->app, context->port, context->param);
break;
case srs_url_schema_vis:
case srs_url_schema_vis2:
tcUrl=srs_generate_vis_tc_url(context->ip, context->vhost, context->app, context->port, context->param);
break;
default:
break;
}
Context* c = context;
if ((ret = context->rtmp->connect_app(c->app, tcUrl, c->req, true, &c->si)) != ERROR_SUCCESS) {
return ret;
}
return ret;
}
int srs_rtmp_get_server_id(srs_rtmp_t rtmp, char** ip, int* pid, int* cid)
{
int ret = ERROR_SUCCESS;
Context* context = (Context*)rtmp;
*pid = context->si.pid;
*cid = context->si.cid;
*ip = context->si.ip.empty()? NULL:(char*)context->si.ip.c_str();
return ret;
}
int srs_rtmp_get_server_sig(srs_rtmp_t rtmp, char** sig)
{
int ret = ERROR_SUCCESS;
Context* context = (Context*)rtmp;
*sig = context->si.sig.empty()? NULL:(char*)context->si.sig.c_str();
return ret;
}
int srs_rtmp_get_server_version(srs_rtmp_t rtmp, int* major, int* minor, int* revision, int* build)
{
int ret = ERROR_SUCCESS;
Context* context = (Context*)rtmp;
*major = context->si.major;
*minor = context->si.minor;
*revision = context->si.revision;
*build = context->si.build;
return ret;
}
int srs_rtmp_play_stream(srs_rtmp_t rtmp)
{
int ret = ERROR_SUCCESS;
srs_assert(rtmp != NULL);
Context* context = (Context*)rtmp;
if ((ret = context->rtmp->create_stream(context->stream_id)) != ERROR_SUCCESS) {
return ret;
}
if ((ret = context->rtmp->play(context->stream, context->stream_id)) != ERROR_SUCCESS) {
return ret;
}
return ret;
}
int srs_rtmp_publish_stream(srs_rtmp_t rtmp)
{
int ret = ERROR_SUCCESS;
srs_assert(rtmp != NULL);
Context* context = (Context*)rtmp;
if ((ret = context->rtmp->fmle_publish(context->stream, context->stream_id)) != ERROR_SUCCESS) {
return ret;
}
return ret;
}
int srs_rtmp_bandwidth_check(srs_rtmp_t rtmp,
int64_t* start_time, int64_t* end_time,
int* play_kbps, int* publish_kbps,
int* play_bytes, int* publish_bytes,
int* play_duration, int* publish_duration
) {
*start_time = 0;
*end_time = 0;
*play_kbps = 0;
*publish_kbps = 0;
*play_bytes = 0;
*publish_bytes = 0;
*play_duration = 0;
*publish_duration = 0;
int ret = ERROR_SUCCESS;
srs_assert(rtmp != NULL);
Context* context = (Context*)rtmp;
SrsBandwidthClient client;
if ((ret = client.initialize(context->rtmp)) != ERROR_SUCCESS) {
return ret;
}
if ((ret = client.bandwidth_check(
start_time, end_time, play_kbps, publish_kbps,
play_bytes, publish_bytes, play_duration, publish_duration)) != ERROR_SUCCESS
) {
return ret;
}
return ret;
}
int srs_rtmp_on_aggregate(Context* context, SrsCommonMessage* msg)
{
int ret = ERROR_SUCCESS;
SrsBuffer aggregate_stream;
SrsBuffer* stream = &aggregate_stream;
if ((ret = stream->initialize(msg->payload, msg->size)) != ERROR_SUCCESS) {
return ret;
}
// the aggregate message always use abs time.
int delta = -1;
while (!stream->empty()) {
if (!stream->require(1)) {
ret = ERROR_RTMP_AGGREGATE;
srs_error("invalid aggregate message type. ret=%d", ret);
return ret;
}
int8_t type = stream->read_1bytes();
if (!stream->require(3)) {
ret = ERROR_RTMP_AGGREGATE;
srs_error("invalid aggregate message size. ret=%d", ret);
return ret;
}
int32_t data_size = stream->read_3bytes();
if (data_size < 0) {
ret = ERROR_RTMP_AGGREGATE;
srs_error("invalid aggregate message size(negative). ret=%d", ret);
return ret;
}
if (!stream->require(3)) {
ret = ERROR_RTMP_AGGREGATE;
srs_error("invalid aggregate message time. ret=%d", ret);
return ret;
}
int32_t timestamp = stream->read_3bytes();
if (!stream->require(1)) {
ret = ERROR_RTMP_AGGREGATE;
srs_error("invalid aggregate message time(high). ret=%d", ret);
return ret;
}
int32_t time_h = stream->read_1bytes();
timestamp |= time_h<<24;
timestamp &= 0x7FFFFFFF;
// adjust abs timestamp in aggregate msg.
if (delta < 0) {
delta = (int)msg->header.timestamp - (int)timestamp;
}
timestamp += delta;
if (!stream->require(3)) {
ret = ERROR_RTMP_AGGREGATE;
srs_error("invalid aggregate message stream_id. ret=%d", ret);
return ret;
}
int32_t stream_id = stream->read_3bytes();
if (data_size > 0 && !stream->require(data_size)) {
ret = ERROR_RTMP_AGGREGATE;
srs_error("invalid aggregate message data. ret=%d", ret);
return ret;
}
// to common message.
SrsCommonMessage o;
o.header.message_type = type;
o.header.payload_length = data_size;
o.header.timestamp_delta = timestamp;
o.header.timestamp = timestamp;
o.header.stream_id = stream_id;
o.header.perfer_cid = msg->header.perfer_cid;
if (data_size > 0) {
o.size = data_size;
o.payload = new char[o.size];
stream->read_bytes(o.payload, o.size);
}
if (!stream->require(4)) {
ret = ERROR_RTMP_AGGREGATE;
srs_error("invalid aggregate message previous tag size. ret=%d", ret);
return ret;
}
stream->read_4bytes();
// process parsed message
SrsCommonMessage* parsed_msg = new SrsCommonMessage();
parsed_msg->header = o.header;
parsed_msg->payload = o.payload;
parsed_msg->size = o.size;
o.payload = NULL;
context->msgs.push_back(parsed_msg);
}
return ret;
}
int srs_rtmp_go_packet(Context* context, SrsCommonMessage* msg,
char* type, uint32_t* timestamp, char** data, int* size,
bool* got_msg
) {
int ret = ERROR_SUCCESS;
// generally we got a message.
*got_msg = true;
if (msg->header.is_audio()) {
*type = SRS_RTMP_TYPE_AUDIO;
*timestamp = (uint32_t)msg->header.timestamp;
*data = (char*)msg->payload;
*size = (int)msg->size;
// detach bytes from packet.
msg->payload = NULL;