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ngx_rtmp_cmd_module.c
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ngx_rtmp_cmd_module.c
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/*
* Copyright (C) Roman Arutyunyan
*/
#include <ngx_config.h>
#include <ngx_core.h>
#include "ngx_rtmp_cmd_module.h"
#include "ngx_rtmp_oclp_module.h"
#include "ngx_rtmp_streams.h"
#include "ngx_stream_zone_module.h"
#include "ngx_dynamic_conf.h"
#include "ngx_toolkit_misc.h"
#include "ngx_rtmp_dynamic.h"
#define NGX_RTMP_FMS_VERSION "FMS/3,0,1,123"
#define NGX_RTMP_CAPABILITIES 31
static ngx_int_t ngx_rtmp_cmd_connect(ngx_rtmp_session_t *s,
ngx_rtmp_connect_t *v);
static ngx_int_t ngx_rtmp_cmd_disconnect(ngx_rtmp_session_t *s);
static ngx_int_t ngx_rtmp_cmd_create_stream(ngx_rtmp_session_t *s,
ngx_rtmp_create_stream_t *v);
static ngx_int_t ngx_rtmp_cmd_close_stream(ngx_rtmp_session_t *s,
ngx_rtmp_close_stream_t *v);
static ngx_int_t ngx_rtmp_cmd_delete_stream(ngx_rtmp_session_t *s,
ngx_rtmp_delete_stream_t *v);
static ngx_int_t ngx_rtmp_cmd_publish(ngx_rtmp_session_t *s,
ngx_rtmp_publish_t *v);
static ngx_int_t ngx_rtmp_cmd_play(ngx_rtmp_session_t *s,
ngx_rtmp_play_t *v);
static ngx_int_t ngx_rtmp_cmd_seek(ngx_rtmp_session_t *s,
ngx_rtmp_seek_t *v);
static ngx_int_t ngx_rtmp_cmd_pause(ngx_rtmp_session_t *s,
ngx_rtmp_pause_t *v);
static ngx_int_t ngx_rtmp_cmd_stream_begin(ngx_rtmp_session_t *s,
ngx_rtmp_stream_begin_t *v);
static ngx_int_t ngx_rtmp_cmd_stream_eof(ngx_rtmp_session_t *s,
ngx_rtmp_stream_eof_t *v);
static ngx_int_t ngx_rtmp_cmd_stream_dry(ngx_rtmp_session_t *s,
ngx_rtmp_stream_dry_t *v);
static ngx_int_t ngx_rtmp_cmd_recorded(ngx_rtmp_session_t *s,
ngx_rtmp_recorded_t *v);
static ngx_int_t ngx_rtmp_cmd_set_buflen(ngx_rtmp_session_t *s,
ngx_rtmp_set_buflen_t *v);
ngx_rtmp_connect_pt ngx_rtmp_connect;
ngx_rtmp_disconnect_pt ngx_rtmp_disconnect;
ngx_rtmp_create_stream_pt ngx_rtmp_create_stream;
ngx_rtmp_close_stream_pt ngx_rtmp_close_stream;
ngx_rtmp_delete_stream_pt ngx_rtmp_delete_stream;
ngx_rtmp_publish_pt ngx_rtmp_publish;
ngx_rtmp_play_pt ngx_rtmp_play;
ngx_rtmp_seek_pt ngx_rtmp_seek;
ngx_rtmp_pause_pt ngx_rtmp_pause;
ngx_rtmp_stream_begin_pt ngx_rtmp_stream_begin;
ngx_rtmp_stream_eof_pt ngx_rtmp_stream_eof;
ngx_rtmp_stream_dry_pt ngx_rtmp_stream_dry;
ngx_rtmp_recorded_pt ngx_rtmp_recorded;
ngx_rtmp_set_buflen_pt ngx_rtmp_set_buflen;
static ngx_int_t ngx_rtmp_cmd_postconfiguration(ngx_conf_t *cf);
static ngx_rtmp_module_t ngx_rtmp_cmd_module_ctx = {
NULL, /* preconfiguration */
ngx_rtmp_cmd_postconfiguration, /* postconfiguration */
NULL, /* create main configuration */
NULL, /* init main configuration */
NULL, /* create server configuration */
NULL, /* merge server configuration */
NULL, /* create app configuration */
NULL /* merge app configuration */
};
ngx_module_t ngx_rtmp_cmd_module = {
NGX_MODULE_V1,
&ngx_rtmp_cmd_module_ctx, /* module context */
NULL, /* module directives */
NGX_RTMP_MODULE, /* module type */
NULL, /* init master */
NULL, /* init module */
NULL, /* init process */
NULL, /* init thread */
NULL, /* exit thread */
NULL, /* exit process */
NULL, /* exit master */
NGX_MODULE_V1_PADDING
};
void
ngx_rtmp_cmd_fill_args(u_char name[NGX_RTMP_MAX_NAME],
u_char args[NGX_RTMP_MAX_ARGS])
{
u_char *p;
p = (u_char *)ngx_strchr(name, '?');
if (p == NULL) {
return;
}
*p++ = 0;
ngx_cpystrn(args, p, NGX_RTMP_MAX_ARGS);
}
void
ngx_rtmp_cmd_reset_vhost(ngx_rtmp_session_t *s, ngx_rtmp_connect_t *v)
{
ngx_request_url_t ru;
ngx_str_t tcurl;
char *p;
tcurl.data = v->tc_url;
tcurl.len = ngx_strlen(v->tc_url);
if (ngx_parse_request_url(&ru, &tcurl) == NGX_ERROR) {
ngx_log_error(NGX_LOG_ERR, s->log, 0,
"tcurl error, %s", v->tc_url);
return;
}
if (ngx_inet_addr(ru.host.data, ru.host.len) == INADDR_NONE) {
/* domain is not ip */
return;
}
p = ngx_strstr(v->app, "/");
if (p == NULL) { /* app only has one level */
return;
}
/* use first level of app as domain, the rest as app */
*ngx_snprintf(v->tc_url, NGX_RTMP_MAX_URL, "rtmp://%s", v->app) = 0;
*ngx_snprintf(v->app, NGX_RTMP_MAX_NAME, "%s", p + 1) = 0;
}
void
ngx_rtmp_cmd_middleware_init(ngx_rtmp_session_t *s)
{
ngx_rtmp_core_srv_dconf_t *rcsdf;
ngx_rtmp_core_srv_conf_t *rcsf;
ngx_request_url_t rurl;
if (ngx_parse_request_url(&rurl, &s->tc_url) == NGX_ERROR) {
return;
}
s->scheme = rurl.scheme;
s->domain = rurl.host;
rcsf = ngx_rtmp_get_module_srv_conf(s, ngx_rtmp_core_module);
rcsdf = ngx_rtmp_get_module_srv_dconf(s, &ngx_rtmp_core_module);
if (rcsdf && rcsdf->serverid.len) {
s->serverid.data = ngx_pcalloc(s->pool,
rcsdf->serverid.len);
if (s->serverid.data == NULL) {
return;
}
s->serverid.len = rcsdf->serverid.len;
ngx_memcpy(s->serverid.data, rcsdf->serverid.data, s->serverid.len);
} else if (rcsf && rcsf->serverid.len) {
s->serverid.data = ngx_pcalloc(s->pool,
rcsf->serverid.len);
if (s->serverid.data == NULL) {
return;
}
s->serverid.len = rcsf->serverid.len;
ngx_memcpy(s->serverid.data, rcsf->serverid.data, s->serverid.len);
}else {
s->serverid = s->domain;
}
}
void
ngx_rtmp_cmd_stream_init(ngx_rtmp_session_t *s, u_char *name, u_char *args,
unsigned publishing)
{
u_char *p;
if (s->name.len == 0) {
s->name.len = ngx_strlen(name);
s->name.data = ngx_palloc(s->pool, s->name.len);
ngx_memcpy(s->name.data, name, s->name.len);
}
if (s->pargs.len == 0) {
s->pargs.len = ngx_strlen(args);
s->pargs.data = ngx_palloc(s->pool, s->pargs.len);
ngx_memcpy(s->pargs.data, args, s->pargs.len);
}
if (s->stream.len == 0) {
/* serverid/app/name */
s->stream.len = s->serverid.len + 1 + s->app.len + 1 + s->name.len;
s->stream.data = ngx_palloc(s->pool, s->stream.len);
p = s->stream.data;
p = ngx_copy(p, s->serverid.data, s->serverid.len);
*p++ = '/';
p = ngx_copy(p, s->app.data, s->app.len);
*p++ = '/';
p = ngx_copy(p, s->name.data, s->name.len);
}
s->live_stream = ngx_live_create_stream(&s->serverid, &s->stream);
ngx_live_create_ctx(s, publishing);
s->publishing = publishing;
ngx_rtmp_oclp_stream_start(s);
}
ngx_int_t
ngx_rtmp_publish_filter(ngx_rtmp_session_t *s, ngx_rtmp_publish_t *v)
{
if (s->published) {
ngx_log_error(NGX_LOG_INFO, s->log, 0, "session has been published");
return NGX_OK;
}
ngx_log_error(NGX_LOG_INFO, s->log, 0, "rtmp publish filter");
s->published = 1;
if (!s->relay) { /* relay pull */
ngx_rtmp_cmd_stream_init(s, v->name, v->args, 1);
}
return ngx_rtmp_publish(s, v);
}
ngx_int_t
ngx_rtmp_play_filter(ngx_rtmp_session_t *s, ngx_rtmp_play_t *v)
{
if (s->played) {
ngx_log_error(NGX_LOG_INFO, s->log, 0, "session has been played");
return NGX_OK;
}
ngx_log_error(NGX_LOG_INFO, s->log, 0, "rtmp play filter");
s->played = 1;
if (!s->relay) { /* relay push */
ngx_rtmp_cmd_stream_init(s, v->name, v->args, 0);
}
return ngx_rtmp_play(s, v);
}
ngx_int_t
ngx_rtmp_close_stream_filter(ngx_rtmp_session_t *s, ngx_rtmp_close_stream_t *v)
{
if (s->closed) {
ngx_log_error(NGX_LOG_INFO, s->log, 0, "session has been closed");
return NGX_OK;
}
ngx_log_error(NGX_LOG_INFO, s->log, 0, "rtmp close stream filter");
s->closed = 1;
ngx_live_delete_ctx(s);
if (s->live_stream && s->live_stream->play_ctx == NULL
&& s->live_stream->publish_ctx == NULL)
{
if (s->live_stream->pslot == ngx_process_slot) {
ngx_stream_zone_delete_stream(&s->stream);
}
ngx_rtmp_oclp_stream_done(s);
ngx_live_delete_stream(&s->serverid, &s->stream);
}
return ngx_rtmp_close_stream(s, v);
}
static ngx_int_t
ngx_rtmp_cmd_connect_init(ngx_rtmp_session_t *s, ngx_rtmp_header_t *h,
ngx_chain_t *in)
{
size_t len;
ngx_rtmp_core_srv_conf_t *cscf;
ngx_rtmp_core_app_conf_t **cacfp;
ngx_uint_t n;
u_char *p;
static ngx_rtmp_connect_t v;
static ngx_rtmp_amf_elt_t in_cmd[] = {
{ NGX_RTMP_AMF_STRING,
ngx_string("app"),
v.app, sizeof(v.app) },
{ NGX_RTMP_AMF_STRING,
ngx_string("flashVer"),
v.flashver, sizeof(v.flashver) },
{ NGX_RTMP_AMF_STRING,
ngx_string("swfUrl"),
v.swf_url, sizeof(v.swf_url) },
{ NGX_RTMP_AMF_STRING,
ngx_string("tcUrl"),
v.tc_url, sizeof(v.tc_url) },
{ NGX_RTMP_AMF_NUMBER,
ngx_string("audioCodecs"),
&v.acodecs, sizeof(v.acodecs) },
{ NGX_RTMP_AMF_NUMBER,
ngx_string("videoCodecs"),
&v.vcodecs, sizeof(v.vcodecs) },
{ NGX_RTMP_AMF_STRING,
ngx_string("pageUrl"),
v.page_url, sizeof(v.page_url) },
{ NGX_RTMP_AMF_NUMBER,
ngx_string("objectEncoding"),
&v.object_encoding, 0},
};
static ngx_rtmp_amf_elt_t in_elts[] = {
{ NGX_RTMP_AMF_NUMBER,
ngx_null_string,
&v.trans, 0 },
{ NGX_RTMP_AMF_OBJECT,
ngx_null_string,
in_cmd, sizeof(in_cmd) },
};
ngx_memzero(&v, sizeof(v));
if (ngx_rtmp_receive_amf(s, in, in_elts,
sizeof(in_elts) / sizeof(in_elts[0])))
{
return NGX_ERROR;
}
len = ngx_strlen(v.app);
if (len > 10 && !ngx_memcmp(v.app + len - 10, "/_definst_", 10)) {
v.app[len - 10] = 0;
} else if (len && v.app[len - 1] == '/') {
v.app[len - 1] = 0;
}
ngx_rtmp_cmd_fill_args(v.app, v.args);
ngx_rtmp_cmd_reset_vhost(s, &v);
#define NGX_RTMP_SET_STRPAR(name) \
s->name.len = ngx_strlen(v.name); \
s->name.data = ngx_palloc(s->pool, s->name.len); \
ngx_memcpy(s->name.data, v.name, s->name.len)
NGX_RTMP_SET_STRPAR(app);
NGX_RTMP_SET_STRPAR(args);
NGX_RTMP_SET_STRPAR(flashver);
NGX_RTMP_SET_STRPAR(swf_url);
NGX_RTMP_SET_STRPAR(tc_url);
NGX_RTMP_SET_STRPAR(page_url);
#undef NGX_RTMP_SET_STRPAR
p = ngx_strlchr(s->app.data, s->app.data + s->app.len, '?');
if (p) {
s->app.len = (p - s->app.data);
}
s->acodecs = (uint32_t) v.acodecs;
s->vcodecs = (uint32_t) v.vcodecs;
ngx_rtmp_cmd_middleware_init(s);
if (ngx_rtmp_set_virtual_server(s, &s->domain)) {
ngx_log_error(NGX_LOG_ERR, s->log, 0,
"rtmp connect, set vhost for \"%V\" failed", &s->domain);
return NGX_ERROR;
}
cscf = ngx_rtmp_get_module_srv_conf(s, ngx_rtmp_core_module);
/* find application & set app_conf */
cacfp = cscf->applications.elts;
for(n = 0; n < cscf->applications.nelts; ++n, ++cacfp) {
if ((*cacfp)->name.len == s->app.len &&
ngx_strncmp((*cacfp)->name.data, s->app.data, s->app.len) == 0)
{
/* found app! */
s->app_conf = (*cacfp)->app_conf;
break;
}
}
if (s->app_conf == NULL) {
if (cscf->default_app == NULL || cscf->default_app->app_conf == NULL) {
ngx_log_error(NGX_LOG_ERR, s->log, 0,
"connect: application not found: '%V'", &s->app);
return NGX_ERROR;
}
s->app_conf = cscf->default_app->app_conf;
}
s->live_server = ngx_live_create_server(&s->serverid);
s->stage = NGX_LIVE_CONNECT;
s->connect_time = ngx_current_msec;
return ngx_rtmp_connect(s, &v);
}
static ngx_int_t
ngx_rtmp_cmd_connect(ngx_rtmp_session_t *s, ngx_rtmp_connect_t *v)
{
ngx_rtmp_core_srv_conf_t *cscf;
ngx_rtmp_core_app_conf_t *cacf;
ngx_rtmp_header_t h;
int tcp_nodelay;
static double trans;
static double capabilities = NGX_RTMP_CAPABILITIES;
static double object_encoding = 0;
static ngx_rtmp_amf_elt_t out_obj[] = {
{ NGX_RTMP_AMF_STRING,
ngx_string("fmsVer"),
NGX_RTMP_FMS_VERSION, 0 },
{ NGX_RTMP_AMF_NUMBER,
ngx_string("capabilities"),
&capabilities, 0 },
};
static ngx_rtmp_amf_elt_t out_inf[] = {
{ NGX_RTMP_AMF_STRING,
ngx_string("level"),
"status", 0 },
{ NGX_RTMP_AMF_STRING,
ngx_string("code"),
"NetConnection.Connect.Success", 0 },
{ NGX_RTMP_AMF_STRING,
ngx_string("description"),
"Connection succeeded.", 0 },
{ NGX_RTMP_AMF_NUMBER,
ngx_string("objectEncoding"),
&object_encoding, 0 }
};
static ngx_rtmp_amf_elt_t out_elts[] = {
{ NGX_RTMP_AMF_STRING,
ngx_null_string,
"_result", 0 },
{ NGX_RTMP_AMF_NUMBER,
ngx_null_string,
&trans, 0 },
{ NGX_RTMP_AMF_OBJECT,
ngx_null_string,
out_obj, sizeof(out_obj) },
{ NGX_RTMP_AMF_OBJECT,
ngx_null_string,
out_inf, sizeof(out_inf) },
};
if (s->connected) {
ngx_log_error(NGX_LOG_INFO, s->log, 0,
"connect: duplicate connection");
return NGX_ERROR;
}
cscf = ngx_rtmp_get_module_srv_conf(s, ngx_rtmp_core_module);
/* set tcp_nodelay */
cacf = ngx_rtmp_get_module_app_conf(s, ngx_rtmp_core_module);
if (cacf->tcp_nodelay &&
s->connection->tcp_nodelay == NGX_TCP_NODELAY_UNSET)
{
ngx_log_debug0(NGX_LOG_DEBUG_RTMP, s->log, 0,
"tcp_nodelay");
tcp_nodelay = 1;
if (setsockopt(s->connection->fd, IPPROTO_TCP, TCP_NODELAY,
(const void *) &tcp_nodelay, sizeof(int)) == -1)
{
ngx_connection_error(s->connection, ngx_socket_errno,
"setsockopt(TCP_NODELAY) failed");
return NGX_ERROR;
}
s->connection->tcp_nodelay = NGX_TCP_NODELAY_SET;
}
trans = v->trans;
/* fill session parameters */
s->connected = 1;
ngx_memzero(&h, sizeof(h));
h.csid = NGX_RTMP_CSID_AMF_INI;
h.type = NGX_RTMP_MSG_AMF_CMD;
object_encoding = v->object_encoding;
return ngx_rtmp_send_ack_size(s, cscf->ack_window) != NGX_OK ||
ngx_rtmp_send_bandwidth(s, cscf->ack_window,
NGX_RTMP_LIMIT_DYNAMIC) != NGX_OK ||
ngx_rtmp_send_chunk_size(s, cscf->chunk_size) != NGX_OK ||
ngx_rtmp_send_amf(s, &h, out_elts,
sizeof(out_elts) / sizeof(out_elts[0]))
!= NGX_OK ? NGX_ERROR : NGX_OK;
}
static ngx_int_t
ngx_rtmp_cmd_create_stream_init(ngx_rtmp_session_t *s, ngx_rtmp_header_t *h,
ngx_chain_t *in)
{
static ngx_rtmp_create_stream_t v;
static ngx_rtmp_amf_elt_t in_elts[] = {
{ NGX_RTMP_AMF_NUMBER,
ngx_null_string,
&v.trans, sizeof(v.trans) },
};
if (ngx_rtmp_receive_amf(s, in, in_elts,
sizeof(in_elts) / sizeof(in_elts[0])))
{
return NGX_ERROR;
}
ngx_log_debug0(NGX_LOG_DEBUG_RTMP, s->log, 0, "createStream");
s->stage = NGX_LIVE_CREATE_STREAM;
s->create_stream_time = ngx_current_msec;
return ngx_rtmp_create_stream(s, &v);
}
static ngx_int_t
ngx_rtmp_cmd_create_stream(ngx_rtmp_session_t *s, ngx_rtmp_create_stream_t *v)
{
/* support one message stream per connection */
static double stream;
static double trans;
ngx_rtmp_header_t h;
static ngx_rtmp_amf_elt_t out_elts[] = {
{ NGX_RTMP_AMF_STRING,
ngx_null_string,
"_result", 0 },
{ NGX_RTMP_AMF_NUMBER,
ngx_null_string,
&trans, 0 },
{ NGX_RTMP_AMF_NULL,
ngx_null_string,
NULL, 0 },
{ NGX_RTMP_AMF_NUMBER,
ngx_null_string,
&stream, sizeof(stream) },
};
trans = v->trans;
stream = NGX_RTMP_MSID;
ngx_memzero(&h, sizeof(h));
h.csid = NGX_RTMP_CSID_AMF_INI;
h.type = NGX_RTMP_MSG_AMF_CMD;
return ngx_rtmp_send_amf(s, &h, out_elts,
sizeof(out_elts) / sizeof(out_elts[0])) == NGX_OK ?
NGX_DONE : NGX_ERROR;
}
static ngx_int_t
ngx_rtmp_cmd_close_stream_init(ngx_rtmp_session_t *s, ngx_rtmp_header_t *h,
ngx_chain_t *in)
{
static ngx_rtmp_close_stream_t v;
static ngx_rtmp_amf_elt_t in_elts[] = {
{ NGX_RTMP_AMF_NUMBER,
ngx_null_string,
&v.stream, 0 },
};
if (ngx_rtmp_receive_amf(s, in, in_elts,
sizeof(in_elts) / sizeof(in_elts[0])))
{
return NGX_ERROR;
}
s->finalize_reason = NGX_LIVE_NORMAL_CLOSE;
return ngx_rtmp_close_stream_filter(s, &v);
}
static ngx_int_t
ngx_rtmp_cmd_close_stream(ngx_rtmp_session_t *s, ngx_rtmp_close_stream_t *v)
{
return NGX_OK;
}
static ngx_int_t
ngx_rtmp_cmd_delete_stream_init(ngx_rtmp_session_t *s, ngx_rtmp_header_t *h,
ngx_chain_t *in)
{
static ngx_rtmp_delete_stream_t v;
static ngx_rtmp_amf_elt_t in_elts[] = {
{ NGX_RTMP_AMF_NUMBER,
ngx_null_string,
NULL, 0 },
{ NGX_RTMP_AMF_NULL,
ngx_null_string,
NULL, 0 },
{ NGX_RTMP_AMF_NUMBER,
ngx_null_string,
&v.stream, 0 },
};
if (ngx_rtmp_receive_amf(s, in, in_elts,
sizeof(in_elts) / sizeof(in_elts[0])))
{
return NGX_ERROR;
}
s->finalize_reason = NGX_LIVE_NORMAL_CLOSE;
return ngx_rtmp_delete_stream(s, &v);
}
static ngx_int_t
ngx_rtmp_cmd_delete_stream(ngx_rtmp_session_t *s, ngx_rtmp_delete_stream_t *v)
{
ngx_rtmp_close_stream_t cv;
ngx_log_debug0(NGX_LOG_DEBUG_RTMP, s->log, 0, "deleteStream");
cv.stream = 0;
return ngx_rtmp_close_stream_filter(s, &cv);
}
static ngx_int_t
ngx_rtmp_cmd_publish_init(ngx_rtmp_session_t *s, ngx_rtmp_header_t *h,
ngx_chain_t *in)
{
static ngx_rtmp_publish_t v;
static ngx_rtmp_amf_elt_t in_elts[] = {
/* transaction is always 0 */
{ NGX_RTMP_AMF_NUMBER,
ngx_null_string,
NULL, 0 },
{ NGX_RTMP_AMF_NULL,
ngx_null_string,
NULL, 0 },
{ NGX_RTMP_AMF_STRING,
ngx_null_string,
&v.name, sizeof(v.name) },
{ NGX_RTMP_AMF_OPTIONAL | NGX_RTMP_AMF_STRING,
ngx_null_string,
&v.type, sizeof(v.type) },
};
ngx_memzero(&v, sizeof(v));
if (ngx_rtmp_receive_amf(s, in, in_elts,
sizeof(in_elts) / sizeof(in_elts[0])))
{
return NGX_ERROR;
}
ngx_rtmp_cmd_fill_args(v.name, v.args);
ngx_log_debug4(NGX_LOG_DEBUG_RTMP, s->log, 0,
"publish: name='%s' args='%s' type=%s silent=%d",
v.name, v.args, v.type, v.silent);
s->stage = NGX_LIVE_PUBLISH;
s->ptime = ngx_current_msec;
return ngx_rtmp_publish_filter(s, &v);
}
static ngx_int_t
ngx_rtmp_cmd_publish(ngx_rtmp_session_t *s, ngx_rtmp_publish_t *v)
{
ngx_log_error(NGX_LOG_INFO, s->log, 0,
"publish: name='%V' pargs='%V' app='%V' args='%V' flashver='%V' "
"swf_url='%V' tc_url='%V' page_url='%V' acodecs=%uD vcodecs=%uD "
"scheme='%V' domain='%V' serverid='%V' stream='%V' groupid='%V'",
&s->name, &s->pargs, &s->app, &s->args, &s->flashver,
&s->swf_url, &s->tc_url, &s->page_url, s->acodecs, s->vcodecs,
&s->scheme, &s->domain, &s->serverid, &s->stream, &s->groupid);
return NGX_OK;
}
static ngx_int_t
ngx_rtmp_cmd_play_init(ngx_rtmp_session_t *s, ngx_rtmp_header_t *h,
ngx_chain_t *in)
{
static ngx_rtmp_play_t v;
static ngx_rtmp_amf_elt_t in_elts[] = {
/* transaction is always 0 */
{ NGX_RTMP_AMF_NUMBER,
ngx_null_string,
NULL, 0 },
{ NGX_RTMP_AMF_NULL,
ngx_null_string,
NULL, 0 },
{ NGX_RTMP_AMF_STRING,
ngx_null_string,
&v.name, sizeof(v.name) },
{ NGX_RTMP_AMF_OPTIONAL | NGX_RTMP_AMF_NUMBER,
ngx_null_string,
&v.start, 0 },
{ NGX_RTMP_AMF_OPTIONAL | NGX_RTMP_AMF_NUMBER,
ngx_null_string,
&v.duration, 0 },
{ NGX_RTMP_AMF_OPTIONAL | NGX_RTMP_AMF_BOOLEAN,
ngx_null_string,
&v.reset, 0 }
};
ngx_memzero(&v, sizeof(v));
if (ngx_rtmp_receive_amf(s, in, in_elts,
sizeof(in_elts) / sizeof(in_elts[0])))
{
return NGX_ERROR;
}
ngx_rtmp_cmd_fill_args(v.name, v.args);
ngx_log_debug6(NGX_LOG_DEBUG_RTMP, s->log, 0,
"play: name='%s' args='%s' start=%i duration=%i "
"reset=%i silent=%i",
v.name, v.args, (ngx_int_t) v.start,
(ngx_int_t) v.duration, (ngx_int_t) v.reset,
(ngx_int_t) v.silent);
s->stage = NGX_LIVE_PLAY;
s->ptime = ngx_current_msec;
return ngx_rtmp_play_filter(s, &v);
}
static ngx_int_t
ngx_rtmp_cmd_play(ngx_rtmp_session_t *s, ngx_rtmp_play_t *v)
{
ngx_log_error(NGX_LOG_INFO, s->log, 0,
"play: name='%V' pargs='%V' app='%V' args='%V' flashver='%V' "
"swf_url='%V' tc_url='%V' page_url='%V' acodecs=%uD vcodecs=%uD "
"scheme='%V' domain='%V' serverid='%V' stream='%V' groupid='%V'",
&s->name, &s->pargs, &s->app, &s->args, &s->flashver,
&s->swf_url, &s->tc_url, &s->page_url, s->acodecs, s->vcodecs,
&s->scheme, &s->domain, &s->serverid, &s->stream, &s->groupid);
return NGX_OK;
}
static ngx_int_t
ngx_rtmp_cmd_play2_init(ngx_rtmp_session_t *s, ngx_rtmp_header_t *h,
ngx_chain_t *in)
{
static ngx_rtmp_play_t v;
static ngx_rtmp_close_stream_t vc;
static ngx_rtmp_amf_elt_t in_obj[] = {
{ NGX_RTMP_AMF_NUMBER,
ngx_string("start"),
&v.start, 0 },
{ NGX_RTMP_AMF_STRING,
ngx_string("streamName"),
&v.name, sizeof(v.name) },
};
static ngx_rtmp_amf_elt_t in_elts[] = {
/* transaction is always 0 */
{ NGX_RTMP_AMF_NUMBER,
ngx_null_string,
NULL, 0 },
{ NGX_RTMP_AMF_NULL,
ngx_null_string,
NULL, 0 },
{ NGX_RTMP_AMF_OBJECT,
ngx_null_string,
&in_obj, sizeof(in_obj) }
};
ngx_memzero(&v, sizeof(v));
if (ngx_rtmp_receive_amf(s, in, in_elts,
sizeof(in_elts) / sizeof(in_elts[0])))
{
return NGX_ERROR;
}
ngx_rtmp_cmd_fill_args(v.name, v.args);
ngx_log_debug3(NGX_LOG_DEBUG_RTMP, s->log, 0,
"play2: name='%s' args='%s' start=%i",
v.name, v.args, (ngx_int_t) v.start);
/* continue from current timestamp */
if (v.start < 0) {
v.start = s->current_time;
}
ngx_memzero(&vc, sizeof(vc));
/* close_stream should be synchronous */
ngx_rtmp_close_stream_filter(s, &vc);
return ngx_rtmp_play_filter(s, &v);
}
static ngx_int_t
ngx_rtmp_cmd_pause_init(ngx_rtmp_session_t *s, ngx_rtmp_header_t *h,
ngx_chain_t *in)
{
static ngx_rtmp_pause_t v;
static ngx_rtmp_amf_elt_t in_elts[] = {
{ NGX_RTMP_AMF_NUMBER,
ngx_null_string,
NULL, 0 },
{ NGX_RTMP_AMF_NULL,
ngx_null_string,
NULL, 0 },
{ NGX_RTMP_AMF_BOOLEAN,
ngx_null_string,
&v.pause, 0 },
{ NGX_RTMP_AMF_NUMBER,
ngx_null_string,
&v.position, 0 },
};
ngx_memzero(&v, sizeof(v));
if (ngx_rtmp_receive_amf(s, in, in_elts,
sizeof(in_elts) / sizeof(in_elts[0])))
{
return NGX_ERROR;
}
ngx_log_debug2(NGX_LOG_DEBUG_RTMP, s->log, 0,
"pause: pause=%i position=%i",
(ngx_int_t) v.pause, (ngx_int_t) v.position);
return ngx_rtmp_pause(s, &v);
}
static ngx_int_t
ngx_rtmp_cmd_pause(ngx_rtmp_session_t *s, ngx_rtmp_pause_t *v)
{
return NGX_OK;
}
static ngx_int_t
ngx_rtmp_cmd_disconnect_init(ngx_rtmp_session_t *s, ngx_rtmp_header_t *h,
ngx_chain_t *in)
{
s->stage = NGX_LIVE_CLOSE;
s->close_stream_time = ngx_current_msec;
ngx_log_error(NGX_LOG_INFO, s->log, 0, "disconnect");
return ngx_rtmp_disconnect(s);
}
static ngx_int_t
ngx_rtmp_cmd_disconnect(ngx_rtmp_session_t *s)
{
return ngx_rtmp_delete_stream(s, NULL);
}
static ngx_int_t
ngx_rtmp_cmd_seek_init(ngx_rtmp_session_t *s, ngx_rtmp_header_t *h,
ngx_chain_t *in)
{
static ngx_rtmp_seek_t v;
static ngx_rtmp_amf_elt_t in_elts[] = {
/* transaction is always 0 */
{ NGX_RTMP_AMF_NUMBER,
ngx_null_string,
NULL, 0 },
{ NGX_RTMP_AMF_NULL,
ngx_null_string,
NULL, 0 },
{ NGX_RTMP_AMF_NUMBER,
ngx_null_string,
&v.offset, sizeof(v.offset) },
};
ngx_memzero(&v, sizeof(v));
if (ngx_rtmp_receive_amf(s, in, in_elts,
sizeof(in_elts) / sizeof(in_elts[0])))
{
return NGX_ERROR;
}
ngx_log_error(NGX_LOG_INFO, s->log, 0,
"seek: offset=%i", (ngx_int_t) v.offset);
return ngx_rtmp_seek(s, &v);
}
static ngx_int_t
ngx_rtmp_cmd_seek(ngx_rtmp_session_t *s, ngx_rtmp_seek_t *v)
{
return NGX_OK;
}
static ngx_int_t
ngx_rtmp_cmd_stream_begin(ngx_rtmp_session_t *s, ngx_rtmp_stream_begin_t *v)
{
return NGX_OK;
}
static ngx_int_t