zotan/nginx-mod-rtmp
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this version compiles ok

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This commit is contained in:
Roman Arutyunyan 2012-10-23 20:21:24 +04:00
parent f65f07deb3
commit eacfd8fac4
5 changed files with 380 additions and 52 deletions
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95
ngx_rtmp_netcall_module.c
View file

@ -20,12 +20,9 @@ static void ngx_rtmp_netcall_recv(ngx_event_t *rev);
static void ngx_rtmp_netcall_send(ngx_event_t *wev);
ngx_str_t ngx_rtmp_netcall_content_type_urlencoded =
ngx_string("application/x-www-form-urlencoded");
typedef struct {
ngx_msec_t timeout;
size_t bufsize;
ngx_log_t *log;
} ngx_rtmp_netcall_app_conf_t;
@ -38,11 +35,13 @@ typedef struct ngx_rtmp_netcall_session_s {
void *arg;
ngx_rtmp_netcall_handle_pt handle;
ngx_rtmp_netcall_filter_pt filter;
ngx_rtmp_netcall_sink_pt sink;
ngx_chain_t *in;
ngx_chain_t *inlast;
ngx_chain_t *out;
ngx_msec_t timeout;
ngx_int_t detached;
unsigned detached:1;
size_t bufsize;
} ngx_rtmp_netcall_session_t;
@ -60,6 +59,13 @@ static ngx_command_t ngx_rtmp_netcall_commands[] = {
offsetof(ngx_rtmp_netcall_app_conf_t, timeout),
NULL },
{ ngx_string("netcall_buffer"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_size_slot,
NGX_RTMP_SRV_CONF_OFFSET,
offsetof(ngx_rtmp_netcall_app_conf_t, bufsize),
NULL },
ngx_null_command
};
@ -103,6 +109,8 @@ ngx_rtmp_netcall_create_app_conf(ngx_conf_t *cf)
}
nacf->timeout = NGX_CONF_UNSET_MSEC;
nacf->bufsize = NGX_CONF_UNSET_SIZE;
nacf->log = &cf->cycle->new_log;
return nacf;
@ -116,6 +124,7 @@ ngx_rtmp_netcall_merge_app_conf(ngx_conf_t *cf, void *parent, void *child)
ngx_rtmp_netcall_app_conf_t *conf = child;
ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 10000);
ngx_conf_merge_size_value(conf->bufsize, prev->bufsize, 1024);
return NGX_CONF_OK;
}
@ -219,9 +228,11 @@ ngx_rtmp_netcall_create(ngx_rtmp_session_t *s, ngx_rtmp_netcall_init_t *ci)
}
cs->timeout = cacf->timeout;
cs->bufsize = cacf->bufsize;
cs->url = ci->url;
cs->session = s;
cs->filter = ci->filter;
cs->sink = ci->sink;
cs->handle = ci->handle;
if (cs->handle == NULL) {
cs->detached = 1;
@ -281,6 +292,7 @@ ngx_rtmp_netcall_close(ngx_connection_t *cc)
ngx_pool_t *pool;
ngx_rtmp_session_t *s;
ngx_rtmp_netcall_ctx_t *ctx;
ngx_buf_t *b;
cs = cc->data;
@ -294,6 +306,14 @@ ngx_rtmp_netcall_close(ngx_connection_t *cc)
s = cs->session;
ctx = ngx_rtmp_get_module_ctx(s, ngx_rtmp_netcall_module);
if (cs->in && cs->sink) {
cs->sink(cs->session, cs->in);
b = cs->in->buf;
b->pos = b->last = b->start;
}
for(css = &ctx->cs; *css; css = &((*css)->next)) {
if (*css == cs) {
*css = cs->next;
@ -301,9 +321,7 @@ ngx_rtmp_netcall_close(ngx_connection_t *cc)
}
}
if (cs->handle &&
cs->handle(s, cs->arg, cs->in) != NGX_OK)
{
if (cs->handle && cs->handle(s, cs->arg, cs->in) != NGX_OK) {
ngx_rtmp_finalize_session(s);
}
}
@ -352,29 +370,43 @@ ngx_rtmp_netcall_recv(ngx_event_t *rev)
for ( ;; ) {
if (cs->inlast == NULL
|| cs->inlast->buf->last == cs->inlast->buf->end)
if (cs->inlast == NULL ||
cs->inlast->buf->last == cs->inlast->buf->end)
{
cl = ngx_alloc_chain_link(cc->pool);
if (cl == NULL) {
ngx_rtmp_netcall_close(cc);
return;
}
cl->next = NULL;
if (cs->in && cs->sink) {
if (!cs->detached) {
if (cs->sink(cs->session, cs->in) != NGX_OK) {
ngx_rtmp_netcall_close(cc);
return;
}
}
cl->buf = ngx_create_temp_buf(cc->pool, 1024);
if (cl->buf == NULL) {
ngx_rtmp_netcall_close(cc);
return;
}
b = cs->in->buf;
b->pos = b->last = b->start;
if (cs->in == NULL) {
cs->in = cl;
} else {
cs->inlast->next = cl;
}
cl = ngx_alloc_chain_link(cc->pool);
if (cl == NULL) {
ngx_rtmp_netcall_close(cc);
return;
}
cs->inlast = cl;
cl->next = NULL;
cl->buf = ngx_create_temp_buf(cc->pool, cs->bufsize);
if (cl->buf == NULL) {
ngx_rtmp_netcall_close(cc);
return;
}
if (cs->in == NULL) {
cs->in = cl;
} else {
cs->inlast->next = cl;
}
cs->inlast = cl;
}
}
b = cs->inlast->buf;
@ -459,8 +491,9 @@ ngx_rtmp_netcall_send(ngx_event_t *wev)
ngx_chain_t *
ngx_rtmp_netcall_http_format_header(ngx_url_t *url, ngx_pool_t *pool,
size_t content_length, ngx_str_t *content_type)
ngx_rtmp_netcall_http_format_header(ngx_str_t *uri, ngx_str_t *host,
ngx_pool_t *pool, size_t content_length,
ngx_str_t *content_type)
{
ngx_chain_t *cl;
ngx_buf_t *b;
@ -480,8 +513,8 @@ ngx_rtmp_netcall_http_format_header(ngx_url_t *url, ngx_pool_t *pool,
}
b = ngx_create_temp_buf(pool, sizeof(rq_tmpl)
+ url->uri.len
+ url->host.len
+ uri->len
+ host->len
+ content_type->len
+ 5);
@ -492,7 +525,7 @@ ngx_rtmp_netcall_http_format_header(ngx_url_t *url, ngx_pool_t *pool,
cl->buf = b;
b->last = ngx_snprintf(b->last, b->end - b->last, rq_tmpl,
&url->uri, &url->host, content_type, content_length);
uri, host, content_type, content_length);
return cl;
}

10
ngx_rtmp_netcall_module.h
View file

@ -15,6 +15,8 @@
typedef ngx_chain_t * (*ngx_rtmp_netcall_create_pt)(ngx_rtmp_session_t *s,
void *arg, ngx_pool_t *pool);
typedef ngx_int_t (*ngx_rtmp_netcall_filter_pt)(ngx_chain_t *in);
typedef ngx_int_t (*ngx_rtmp_netcall_sink_pt)(ngx_rtmp_session_t *s,
ngx_chain_t *in);
typedef ngx_int_t (*ngx_rtmp_netcall_handle_pt)(ngx_rtmp_session_t *s,
void *arg, ngx_chain_t *in);
@ -32,6 +34,7 @@ typedef struct {
ngx_url_t *url;
ngx_rtmp_netcall_create_pt create;
ngx_rtmp_netcall_filter_pt filter;
ngx_rtmp_netcall_sink_pt sink;
ngx_rtmp_netcall_handle_pt handle;
void *arg;
size_t argsize;
@ -41,14 +44,13 @@ typedef struct {
ngx_int_t ngx_rtmp_netcall_create(ngx_rtmp_session_t *s,
ngx_rtmp_netcall_init_t *ci);
extern ngx_str_t ngx_rtmp_netcall_content_type_urlencoded;
/* HTTP handling */
ngx_chain_t * ngx_rtmp_netcall_http_format_session(ngx_rtmp_session_t *s,
ngx_pool_t *pool);
ngx_chain_t * ngx_rtmp_netcall_http_format_header(ngx_url_t *url,
ngx_pool_t *pool, size_t content_length, ngx_str_t *content_type);
ngx_chain_t * ngx_rtmp_netcall_http_format_header(ngx_str_t *uri,
ngx_str_t *host, ngx_pool_t *pool, size_t content_length,
ngx_str_t *content_type);
ngx_chain_t * ngx_rtmp_netcall_http_skip_header(ngx_chain_t *in);

29
ngx_rtmp_notify_module.c
View file

@ -28,6 +28,10 @@ static ngx_int_t ngx_rtmp_notify_done(ngx_rtmp_session_t *s, char *cbname,
ngx_url_t *url);
ngx_str_t ngx_rtmp_notify_urlencoded =
ngx_string("application/x-www-form-urlencoded");
#define NGX_RTMP_NOTIFY_PUBLISHING 0x01
#define NGX_RTMP_NOTIFY_PLAYING 0x02
@ -190,6 +194,7 @@ ngx_rtmp_notify_publish_create(ngx_rtmp_session_t *s, void *arg,
ngx_chain_t *hl, *cl, *pl;
ngx_buf_t *b;
ngx_str_t *addr_text;
ngx_url_t *url;
size_t name_len, type_len, args_len;
nacf = ngx_rtmp_get_module_app_conf(s, ngx_rtmp_notify_module);
@ -244,9 +249,10 @@ ngx_rtmp_notify_publish_create(ngx_rtmp_session_t *s, void *arg,
}
/* HTTP header */
hl = ngx_rtmp_netcall_http_format_header(nacf->url[NGX_RTMP_NOTIFY_PUBLISH],
url = nacf->url[NGX_RTMP_NOTIFY_PUBLISH];
hl = ngx_rtmp_netcall_http_format_header(&url->uri, &url->host,
pool, cl->buf->last - cl->buf->pos + (pl->buf->last - pl->buf->pos),
&ngx_rtmp_netcall_content_type_urlencoded);
&ngx_rtmp_notify_urlencoded);
if (hl == NULL) {
return NULL;
@ -270,6 +276,7 @@ ngx_rtmp_notify_play_create(ngx_rtmp_session_t *s, void *arg,
ngx_chain_t *hl, *cl, *pl;
ngx_buf_t *b;
ngx_str_t *addr_text;
ngx_url_t *url;
size_t name_len, args_len;
nacf = ngx_rtmp_get_module_app_conf(s, ngx_rtmp_notify_module);
@ -324,9 +331,10 @@ ngx_rtmp_notify_play_create(ngx_rtmp_session_t *s, void *arg,
}
/* HTTP header */
hl = ngx_rtmp_netcall_http_format_header(nacf->url[NGX_RTMP_NOTIFY_PLAY],
url = nacf->url[NGX_RTMP_NOTIFY_PLAY];
hl = ngx_rtmp_netcall_http_format_header(&url->uri, &url->host,
pool, cl->buf->last - cl->buf->pos + (pl->buf->last - pl->buf->pos),
&ngx_rtmp_netcall_content_type_urlencoded);
&ngx_rtmp_notify_urlencoded);
if (hl == NULL) {
return NULL;
@ -401,9 +409,9 @@ ngx_rtmp_notify_done_create(ngx_rtmp_session_t *s, void *arg,
}
/* HTTP header */
hl = ngx_rtmp_netcall_http_format_header(ds->url, pool,
cl->buf->last - cl->buf->pos + (pl->buf->last - pl->buf->pos),
&ngx_rtmp_netcall_content_type_urlencoded);
hl = ngx_rtmp_netcall_http_format_header(&ds->url->uri, &ds->url->host,
pool, cl->buf->last - cl->buf->pos + (pl->buf->last - pl->buf->pos),
&ngx_rtmp_notify_urlencoded);
if (hl == NULL) {
return NULL;
@ -428,6 +436,7 @@ ngx_rtmp_notify_record_done_create(ngx_rtmp_session_t *s, void *arg,
ngx_chain_t *hl, *cl, *pl;
ngx_buf_t *b;
ngx_str_t *addr_text;
ngx_url_t *url;
size_t name_len, args_len;
nacf = ngx_rtmp_get_module_app_conf(s, ngx_rtmp_notify_module);
@ -489,10 +498,10 @@ ngx_rtmp_notify_record_done_create(ngx_rtmp_session_t *s, void *arg,
}
/* HTTP header */
hl = ngx_rtmp_netcall_http_format_header(
nacf->url[NGX_RTMP_NOTIFY_RECORD_DONE],
url = nacf->url[NGX_RTMP_NOTIFY_RECORD_DONE];
hl = ngx_rtmp_netcall_http_format_header(&url->uri, &url->host,
pool, cl->buf->last - cl->buf->pos + (pl->buf->last - pl->buf->pos),
&ngx_rtmp_netcall_content_type_urlencoded);
&ngx_rtmp_notify_urlencoded);
if (hl == NULL) {
return NULL;

295
ngx_rtmp_play_module.c
View file

@ -5,6 +5,7 @@
#include "ngx_rtmp_play_module.h"
#include "ngx_rtmp_cmd_module.h"
#include "ngx_rtmp_netcall_module.h"
#include "ngx_rtmp_streams.h"
@ -14,6 +15,8 @@ static ngx_rtmp_seek_pt next_seek;
static ngx_rtmp_pause_pt next_pause;
static char *ngx_rtmp_play_url(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static void *ngx_rtmp_play_create_main_conf(ngx_conf_t *cf);
static ngx_int_t ngx_rtmp_play_postconfiguration(ngx_conf_t *cf);
static void * ngx_rtmp_play_create_app_conf(ngx_conf_t *cf);
@ -24,15 +27,29 @@ static ngx_int_t ngx_rtmp_play_done(ngx_rtmp_session_t *s);
static ngx_int_t ngx_rtmp_play_start(ngx_rtmp_session_t *s, double timestamp);
static ngx_int_t ngx_rtmp_play_stop(ngx_rtmp_session_t *s);
static void ngx_rtmp_play_send(ngx_event_t *e);
static ngx_int_t ngx_rtmp_play_open(ngx_rtmp_session_t *s, double start);
static ngx_int_t ngx_rtmp_play_remote_handle(ngx_rtmp_session_t *s,
void *arg, ngx_chain_t *in);
static ngx_chain_t * ngx_rtmp_play_remote_create(ngx_rtmp_session_t *s,
void *arg, ngx_pool_t *pool);
static ngx_int_t ngx_rtmp_play_open_remote(ngx_rtmp_session_t *s,
ngx_rtmp_play_t *v);
static ngx_command_t ngx_rtmp_play_commands[] = {
{ ngx_string("play"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_RTMP_APP_CONF|NGX_CONF_TAKE1,
ngx_rtmp_play_url,
NGX_RTMP_APP_CONF_OFFSET,
0,
NULL },
{ ngx_string("play_temp_path"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_RTMP_APP_CONF|NGX_CONF_TAKE1,
ngx_conf_set_str_slot,
NGX_RTMP_APP_CONF_OFFSET,
offsetof(ngx_rtmp_play_app_conf_t, root),
offsetof(ngx_rtmp_play_app_conf_t, temp_path),
NULL },
ngx_null_command
@ -111,6 +128,7 @@ ngx_rtmp_play_merge_app_conf(ngx_conf_t *cf, void *parent, void *child)
ngx_rtmp_play_app_conf_t *conf = child;
ngx_conf_merge_str_value(conf->root, prev->root, "");
ngx_conf_merge_str_value(conf->temp_path, prev->temp_path, "/tmp");
return NGX_CONF_OK;
}
@ -352,7 +370,6 @@ ngx_rtmp_play_play(ngx_rtmp_session_t *s, ngx_rtmp_play_t *v)
ngx_rtmp_play_app_conf_t *pacf;
ngx_rtmp_play_ctx_t *ctx;
u_char *p;
ngx_event_t *e;
ngx_rtmp_play_fmt_t *fmt, **pfmt;
ngx_str_t *pfx, *sfx;
ngx_str_t name;
@ -457,17 +474,46 @@ ngx_rtmp_play_play(ngx_rtmp_session_t *s, ngx_rtmp_play_t *v)
p = ngx_snprintf(path, sizeof(path), "%V/%V%V", &pacf->root, &name, sfx);
*p = 0;
ctx->file.fd = NGX_INVALID_FILE;
if (pacf->url) {
return ngx_rtmp_play_open_remote(s, v);
}
/* open local */
ctx->file.fd = ngx_open_file(path, NGX_FILE_RDONLY, NGX_FILE_OPEN,
NGX_FILE_DEFAULT_ACCESS);
if (ctx->file.fd == NGX_INVALID_FILE) {
ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
ngx_log_error(NGX_LOG_ERR, s->connection->log, ngx_errno,
"play: error opening file '%s'", path);
return NGX_ERROR;
}
ngx_log_debug1(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"play: opened file '%s'", path);
"play: opened local file '%s'", path);
if (ngx_rtmp_play_open(s, v->start) != NGX_OK) {
return NGX_ERROR;
}
next:
return next_play(s, v);
}
static ngx_int_t
ngx_rtmp_play_open(ngx_rtmp_session_t *s, double start)
{
ngx_rtmp_play_ctx_t *ctx;
ngx_event_t *e;
ctx = ngx_rtmp_get_module_ctx(s, ngx_rtmp_play_module);
if (ctx->file.fd == NGX_INVALID_FILE) {
return NGX_ERROR;
}
e = &ctx->send_evt;
e->data = s;
@ -480,12 +526,247 @@ ngx_rtmp_play_play(ngx_rtmp_session_t *s, ngx_rtmp_play_t *v)
return NGX_ERROR;
}
if (ngx_rtmp_play_start(s, v->start) != NGX_OK) {
if (ngx_rtmp_play_start(s, start) != NGX_OK) {
return NGX_ERROR;
}
next:
return next_play(s, v);
return NGX_OK;
}
static ngx_chain_t *
ngx_rtmp_play_remote_create(ngx_rtmp_session_t *s, void *arg, ngx_pool_t *pool)
{
ngx_rtmp_play_t *v = arg;
ngx_rtmp_play_app_conf_t *pacf;
ngx_chain_t *hl, *cl, *pl;
ngx_buf_t *b;
ngx_str_t *addr_text, uri;
u_char *p;
size_t name_len, args_len;
static ngx_str_t text_plain = ngx_string("text/plain");
pacf = ngx_rtmp_get_module_app_conf(s, ngx_rtmp_play_module);
/* common variables */
cl = ngx_rtmp_netcall_http_format_session(s, pool);
if (cl == NULL) {
return NULL;
}
/* publish variables */
pl = ngx_alloc_chain_link(pool);
if (pl == NULL) {
return NULL;
}
name_len = ngx_strlen(v->name);
args_len = ngx_strlen(v->args);
addr_text = &s->connection->addr_text;
b = ngx_create_temp_buf(pool,
sizeof("&addr=") + addr_text->len +
1 + args_len);
if (b == NULL) {
return NULL;
}
pl->buf = b;
b->last = ngx_cpymem(b->last, (u_char*)"&addr=", sizeof("&addr=") -1);
b->last = (u_char*)ngx_escape_uri(b->last, addr_text->data,
addr_text->len, 0);
if (args_len) {
*b->last++ = '&';
b->last = (u_char *)ngx_cpymem(b->last, v->args, args_len);
}
/* create uri */
uri.len = pacf->url->uri.len + name_len;
uri.data = ngx_palloc(pool, uri.len);
p = ngx_cpymem(uri.data, pacf->url->uri.data, pacf->url->uri.len);
ngx_memcpy(p, v->name, name_len);
/* HTTP header */
hl = ngx_rtmp_netcall_http_format_header(&uri, &pacf->url->host,
pool, cl->buf->last - cl->buf->pos + (pl->buf->last - pl->buf->pos),
&text_plain);
if (hl == NULL) {
return NULL;
}
hl->next = cl;
cl->next = pl;
pl->next = NULL;
return hl;
}
static ngx_int_t
ngx_rtmp_play_remote_handle(ngx_rtmp_session_t *s, void *arg, ngx_chain_t *in)
{
ngx_rtmp_play_t *v = arg;
if (ngx_rtmp_play_open(s, v->start) != NGX_OK) {
return NGX_ERROR;
}
return next_play(s, (ngx_rtmp_play_t *)arg);
}
static ngx_int_t
ngx_rtmp_play_remote_sink(ngx_rtmp_session_t *s, ngx_chain_t *in)
{
ngx_rtmp_play_ctx_t *ctx;
ngx_buf_t *b;
ngx_int_t rc;
ctx = ngx_rtmp_get_module_ctx(s, ngx_rtmp_play_module);
/* skip HTTP header */
for (; in && ctx->ncrs != 2; in = in->next) {
b = in->buf;
for (; b->pos != b->last && ctx->ncrs != 2; ++b->pos) {
switch (*b->pos) {
case '\n':
++ctx->ncrs;
break;
case '\r':
break;
default:
ctx->ncrs = 0;
}
}
}
/* write to temp file */
for (; in; in = in->next) {
b = in->buf;
if (b->pos == b->last) {
continue;
}
rc = ngx_write_fd(ctx->file.fd, b->pos, b->last - b->pos);
if (rc == NGX_ERROR) {
ngx_log_error(NGX_LOG_INFO, s->connection->log, ngx_errno,
"play: error writing to temp file");
return NGX_ERROR;
}
}
return NGX_OK;
}
static ngx_int_t
ngx_rtmp_play_open_remote(ngx_rtmp_session_t *s, ngx_rtmp_play_t *v)
{
ngx_rtmp_play_app_conf_t *pacf;
ngx_rtmp_play_ctx_t *ctx;
ngx_rtmp_netcall_init_t ci;
u_char *p;
ngx_err_t err;
static u_char path[NGX_MAX_PATH];
static ngx_uint_t counter;
pacf = ngx_rtmp_get_module_app_conf(s, ngx_rtmp_play_module);
ctx = ngx_rtmp_get_module_ctx(s, ngx_rtmp_play_module);
for ( ;; ) {
p = ngx_snprintf(path, sizeof(path), "%V/nginx-rtmp-play%ui",
&pacf->temp_path, counter++);
*p = 0;
ctx->file.fd = ngx_open_tempfile(path, 0, 0);
if (ctx->file.fd != NGX_INVALID_FILE) {
break;
}
err = ngx_errno;
if (err != NGX_EEXIST) {
ngx_log_error(NGX_LOG_INFO, s->connection->log, err,
"play: failed to create temp file");
return NGX_ERROR;
}
}
ngx_memzero(&ci, sizeof(ci));
ci.url = pacf->url;;
ci.create = ngx_rtmp_play_remote_create;
ci.sink = ngx_rtmp_play_remote_sink;
ci.handle = ngx_rtmp_play_remote_handle;
ci.arg = v;
ci.argsize = sizeof(*v);
return ngx_rtmp_netcall_create(s, &ci);
}
static char *
ngx_rtmp_play_url(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_rtmp_play_app_conf_t *pacf;
ngx_str_t url;
ngx_url_t *u;
size_t add;
ngx_str_t *value;
value = cf->args->elts;
if (ngx_strncasecmp(value[1].data, (u_char *) "http://", 7)) {
/* local file */
pacf->root = value[1];
return NGX_CONF_OK;
}
/* http case */
url = value[1];
add = sizeof("http://") - 1;
url.data += add;
url.len -= add;
u = ngx_pcalloc(cf->pool, sizeof(ngx_url_t));
if (u == NULL) {
return NGX_CONF_ERROR;
}
u->url.len = url.len;
u->url.data = url.data;
u->default_port = 80;
u->uri_part = 1;
if (ngx_parse_url(cf->pool, u) != NGX_OK) {
if (u->err) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"%s in url \"%V\"", u->err, &u->url);
}
return NGX_CONF_ERROR;
}
pacf->url = u;
return NGX_CONF_OK;
}

3
ngx_rtmp_play_module.h
View file

@ -39,11 +39,14 @@ typedef struct {
ngx_file_t file;
ngx_rtmp_play_fmt_t *fmt;
ngx_event_t send_evt;
ngx_uint_t ncrs;
} ngx_rtmp_play_ctx_t;
typedef struct {
ngx_str_t root;
ngx_str_t temp_path;
ngx_url_t *url;
} ngx_rtmp_play_app_conf_t;