mirror of
https://github.com/zotanmew/nginx-rtmp-module.git
synced 2024-05-10 14:31:07 +02:00
New module for bandwidth detection
This commit is contained in:
Sergey Dryabzhinsky
parent
7e68afde6f
commit
a613300142
7
config
7
config
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@ -7,6 +7,7 @@ RTMP_CORE_MODULES=" \
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ngx_rtmp_access_module \
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ngx_rtmp_record_module \
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ngx_rtmp_live_module \
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ngx_rtmp_bandwidth_detection_module \
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ngx_rtmp_play_module \
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ngx_rtmp_flv_module \
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ngx_rtmp_mp4_module \
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@ -33,6 +34,7 @@ RTMP_DEPS=" \
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$ngx_addon_dir/ngx_rtmp.h \
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$ngx_addon_dir/ngx_rtmp_version.h \
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$ngx_addon_dir/ngx_rtmp_live_module.h \
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$ngx_addon_dir/ngx_rtmp_bandwidth_detection_module.h \
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$ngx_addon_dir/ngx_rtmp_netcall_module.h \
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$ngx_addon_dir/ngx_rtmp_play_module.h \
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$ngx_addon_dir/ngx_rtmp_record_module.h \
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@ -59,6 +61,7 @@ RTMP_CORE_SRCS=" \
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$ngx_addon_dir/ngx_rtmp_access_module.c \
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$ngx_addon_dir/ngx_rtmp_record_module.c \
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$ngx_addon_dir/ngx_rtmp_live_module.c \
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$ngx_addon_dir/ngx_rtmp_bandwidth_detection_module.c \
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$ngx_addon_dir/ngx_rtmp_play_module.c \
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$ngx_addon_dir/ngx_rtmp_flv_module.c \
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$ngx_addon_dir/ngx_rtmp_mp4_module.c \
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@ -111,6 +114,6 @@ fi
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USE_OPENSSL=YES
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CFLAGS="$CFLAGS -I$ngx_addon_dir"
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# CFLAGS="$CFLAGS -I$ngx_addon_dir"
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# Debug build with all warnings as errors
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# CFLAGS="$CFLAGS -I$ngx_addon_dir -Wall -Wpointer-arith -Wno-unused-parameter -Werror"
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CFLAGS="$CFLAGS -I$ngx_addon_dir -Wall -Wpointer-arith -Wno-unused-parameter -Werror"
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@ -589,6 +589,9 @@ ngx_int_t ngx_rtmp_send_close_method(ngx_rtmp_session_t *s, char *methodName);
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ngx_int_t ngx_rtmp_send_fcpublish(ngx_rtmp_session_t *s, u_char *desc);
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ngx_int_t ngx_rtmp_send_fcunpublish(ngx_rtmp_session_t *s, u_char *desc);
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ngx_int_t ngx_rtmp_send_fi(ngx_rtmp_session_t *s);
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ngx_int_t ngx_rtmp_send_bwcheck(ngx_rtmp_session_t *s, u_char *payload);
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ngx_int_t ngx_rtmp_send_bwdone(ngx_rtmp_session_t *s,
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double kbitDown, ngx_uint_t deltaDown, double deltaTime, ngx_msec_t latency);
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/* Frame types */
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434
ngx_rtmp_bandwidth_detection_module.c
Normal file
434
ngx_rtmp_bandwidth_detection_module.c
Normal file
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@ -0,0 +1,434 @@
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/*
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* Copyright (C) Sergey Dryabzhinsky, 2016
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*
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* Based on http://permalink.gmane.org/gmane.comp.web.flash.red5/5869
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* And live & stat modules
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*/
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#include <ngx_config.h>
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#include <ngx_core.h>
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#include "ngx_rtmp_bandwidth_detection_module.h"
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#include "ngx_rtmp_live_module.h"
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#include "ngx_rtmp_cmd_module.h"
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#include "ngx_rtmp_transitions.h"
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#define NGX_RTMP_BANDWIDTH_DETECTION_PAYLOAD_LENGTH 16*1024
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static ngx_int_t ngx_rtmp_bandwidth_detection_postconfiguration(ngx_conf_t *cf);
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static void * ngx_rtmp_bandwidth_detection_create_app_conf(ngx_conf_t *cf);
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static char * ngx_rtmp_bandwidth_detection_merge_app_conf(ngx_conf_t *cf,
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void *parent, void *child);
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static char *ngx_rtmp_bandwidth_detection_set_msec_slot(ngx_conf_t *cf, ngx_command_t *cmd,
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void *conf);
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static ngx_int_t ngx_rtmp_bandwidth_detection_start(ngx_rtmp_session_t *s, ngx_rtmp_header_t *h, ngx_chain_t *in);
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static ngx_int_t ngx_rtmp_bandwidth_detection_check_result(ngx_rtmp_session_t *s);
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static ngx_command_t ngx_rtmp_bandwidth_detection_commands[] = {
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{ ngx_string("latency_min"),
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NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_RTMP_APP_CONF|NGX_CONF_TAKE1,
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ngx_rtmp_bandwidth_detection_set_msec_slot,
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NGX_RTMP_APP_CONF_OFFSET,
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offsetof(ngx_rtmp_bandwidth_detection_app_conf_t, latency_min),
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NULL },
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{ ngx_string("latency_max"),
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NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_RTMP_APP_CONF|NGX_CONF_TAKE1,
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ngx_rtmp_bandwidth_detection_set_msec_slot,
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NGX_RTMP_APP_CONF_OFFSET,
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offsetof(ngx_rtmp_bandwidth_detection_app_conf_t, latency_max),
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NULL },
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{ ngx_string("latency_undef"),
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NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_RTMP_APP_CONF|NGX_CONF_TAKE1,
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ngx_rtmp_bandwidth_detection_set_msec_slot,
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NGX_RTMP_APP_CONF_OFFSET,
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offsetof(ngx_rtmp_bandwidth_detection_app_conf_t, latency_undef),
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NULL },
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{ ngx_string("test_time"),
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NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_RTMP_APP_CONF|NGX_CONF_TAKE1,
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ngx_rtmp_bandwidth_detection_set_msec_slot,
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NGX_RTMP_APP_CONF_OFFSET,
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offsetof(ngx_rtmp_bandwidth_detection_app_conf_t, test_time),
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NULL },
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ngx_null_command
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};
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static ngx_rtmp_module_t ngx_rtmp_bandwidth_detection_module_ctx = {
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NULL, /* preconfiguration */
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ngx_rtmp_bandwidth_detection_postconfiguration, /* postconfiguration */
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NULL, /* create main configuration */
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NULL, /* init main configuration */
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NULL, /* create server configuration */
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NULL, /* merge server configuration */
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ngx_rtmp_bandwidth_detection_create_app_conf, /* create app configuration */
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ngx_rtmp_bandwidth_detection_merge_app_conf /* merge app configuration */
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};
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ngx_module_t ngx_rtmp_bandwidth_detection_module = {
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NGX_MODULE_V1,
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&ngx_rtmp_bandwidth_detection_module_ctx, /* module context */
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ngx_rtmp_bandwidth_detection_commands, /* module directives */
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NGX_RTMP_MODULE, /* module type */
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NULL, /* init master */
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NULL, /* init module */
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NULL, /* init process */
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NULL, /* init thread */
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NULL, /* exit thread */
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NULL, /* exit process */
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NULL, /* exit master */
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NGX_MODULE_V1_PADDING
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};
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static void *
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ngx_rtmp_bandwidth_detection_create_app_conf(ngx_conf_t *cf)
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{
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ngx_rtmp_bandwidth_detection_app_conf_t *acf;
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ngx_uint_t i;
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acf = ngx_pcalloc(cf->pool, sizeof(ngx_rtmp_bandwidth_detection_app_conf_t));
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if (acf == NULL) {
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return NULL;
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}
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acf->latency_max = NGX_CONF_UNSET;
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acf->latency_min = NGX_CONF_UNSET_MSEC;
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acf->latency_undef = NGX_CONF_UNSET_MSEC;
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acf->test_time = NGX_CONF_UNSET_MSEC;
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/* Init payload only once with some random garbage */
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acf->payload = ngx_pcalloc(cf->pool, NGX_RTMP_BANDWIDTH_DETECTION_PAYLOAD_LENGTH + 1);
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for (i=0; i<NGX_RTMP_BANDWIDTH_DETECTION_PAYLOAD_LENGTH; i++) {
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acf->payload[i] = ngx_random();
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}
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return acf;
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}
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static char *
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ngx_rtmp_bandwidth_detection_merge_app_conf(ngx_conf_t *cf, void *parent, void *child)
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{
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ngx_rtmp_bandwidth_detection_app_conf_t *prev = parent;
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ngx_rtmp_bandwidth_detection_app_conf_t *conf = child;
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ngx_conf_merge_msec_value(conf->latency_max, prev->latency_max, 800);
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ngx_conf_merge_msec_value(conf->latency_min, prev->latency_min, 10);
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ngx_conf_merge_msec_value(conf->latency_undef, prev->latency_undef, 100);
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ngx_conf_merge_msec_value(conf->test_time, prev->test_time, 2000);
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// One payload for all
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conf->payload = prev->payload;
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return NGX_CONF_OK;
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}
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static char *
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ngx_rtmp_bandwidth_detection_set_msec_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
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{
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char *p = conf;
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ngx_str_t *value;
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ngx_msec_t *msp;
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msp = (ngx_msec_t *) (p + cmd->offset);
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value = cf->args->elts;
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if (value[1].len == sizeof("off") - 1 &&
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ngx_strncasecmp(value[1].data, (u_char *) "off", value[1].len) == 0)
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{
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*msp = 0;
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return NGX_CONF_OK;
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}
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return ngx_conf_set_msec_slot(cf, cmd, conf);
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}
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static ngx_int_t
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ngx_rtmp_bandwidth_detection_on_result(ngx_rtmp_session_t *s, ngx_rtmp_header_t *h,
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ngx_chain_t *in)
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{
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ngx_rtmp_bandwidth_detection_ctx_t *ctx;
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static struct {
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double trans;
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ngx_uint_t count;
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} v;
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static ngx_rtmp_amf_elt_t in_inf[] = {
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{ NGX_RTMP_AMF_NUMBER,
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ngx_null_string,
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&v.count, 0 },
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};
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static ngx_rtmp_amf_elt_t in_elts[] = {
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{ NGX_RTMP_AMF_NUMBER,
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ngx_null_string,
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&v.trans, 0 },
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{ NGX_RTMP_AMF_NULL,
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ngx_null_string,
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NULL, 0 },
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{ NGX_RTMP_AMF_OBJECT,
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ngx_null_string,
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in_inf, sizeof(in_inf) },
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};
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ctx = ngx_rtmp_get_module_ctx(s, ngx_rtmp_bandwidth_detection_module);
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if (ctx == NULL || s->relay) {
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return NGX_OK;
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}
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ngx_memzero(&v, sizeof(v));
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if (ngx_rtmp_receive_amf(s, in, in_elts,
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sizeof(in_elts) / sizeof(in_elts[0])))
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{
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return NGX_ERROR;
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}
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ngx_log_debug3(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
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"relay: _result: level='%s' code='%s' description='%s'",
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v.level, v.code, v.desc);
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switch ((ngx_int_t)v.trans) {
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case NGX_RTMP_BANDWIDTH_DETECTION_BWCHECK_TRANS:
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return ngx_rtmp_bandwidth_detection_check_result(s);
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break;
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case NGX_RTMP_BANDWIDTH_DETECTION_BWDONE_TRANS:
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/* Need to test it. Maybe need to set this before send bwDone. */
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ctx->active = 0;
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break;
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default:
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return NGX_OK;
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}
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return NGX_OK;
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}
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/**
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* Start bandwidth detection here
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*/
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static ngx_int_t
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ngx_rtmp_bandwidth_detection_start(ngx_rtmp_session_t *s, ngx_rtmp_header_t *h, ngx_chain_t *in)
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{
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ngx_rtmp_bandwidth_detection_app_conf_t *acf;
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ngx_rtmp_bandwidth_detection_ctx_t *bw_ctx;
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ngx_rtmp_live_ctx_t *lv_ctx;
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static ngx_rtmp_amf_elt_t in_elts[] = {
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{ NGX_RTMP_AMF_NUMBER,
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ngx_null_string,
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"checkBandwidth", 0 },
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};
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if (s->relay) {
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ngx_log_debug0(NGX_LOG_DEBUG, s->connection->log, 0,
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"bandwidth_detection: start - no relay please!");
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return NGX_ERROR;
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}
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acf = ngx_rtmp_get_module_app_conf(s, ngx_rtmp_bandwidth_detection_module);
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if (acf == NULL) {
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ngx_log_error(NGX_LOG_WARN, s->connection->log, 0,
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"bandwidth_detection: start - no app config!");
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return NGX_ERROR;
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}
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if (!acf->test_time || in == NULL || in->buf == NULL) {
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ngx_log_debug0(NGX_LOG_DEBUG, s->connection->log, 0,
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"bandwidth_detection: start - no test time or no buffer!");
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return NGX_OK;
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}
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bw_ctx = ngx_rtmp_get_module_ctx(s, ngx_rtmp_bandwidth_detection_module);
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if (bw_ctx == NULL) {
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ngx_log_debug0(NGX_LOG_DEBUG, s->connection->log, 0,
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"bandwidth_detection: start - no bw context!");
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return NGX_OK;
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}
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if (bw_ctx->active) {
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ngx_log_debug0(NGX_LOG_DEBUG, s->connection->log, 0,
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"bandwidth_detection: start - already active!");
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return NGX_OK;
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}
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lv_ctx = ngx_rtmp_get_module_ctx(s, ngx_rtmp_live_module);
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if (lv_ctx == NULL) {
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ngx_log_debug0(NGX_LOG_DEBUG, s->connection->log, 0,
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"bandwidth_detection: start - no live context!");
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return NGX_OK;
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}
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if (ngx_rtmp_receive_amf(s, in, in_elts,
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sizeof(in_elts) / sizeof(in_elts[0])) != NGX_OK) {
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ngx_log_error(NGX_LOG_WARN, s->connection->log, 0,
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"bandwidth_detection: start - not received command packet!");
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return NGX_ERROR;
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}
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bw_ctx->active = 1;
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bw_ctx->bw_begin_time = ngx_cached_time->msec;
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bw_ctx->pkt_sent = 1;
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bw_ctx->pkt_received = 0;
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bw_ctx->pkt_recv_time1 = 0;
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bw_ctx->pkt_recv_time2 = 0;
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bw_ctx->cum_latency = 0;
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bw_ctx->latency = acf->latency_min;
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bw_ctx->bytes_out = lv_ctx->stream->bw_out.bytes;
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// Send first packet with empty payload - for latency calculation
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return ngx_rtmp_send_bwcheck(s, NULL);
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}
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/**
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* End bandwidth detection here
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*/
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static ngx_int_t
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ngx_rtmp_bandwidth_detection_check_result(ngx_rtmp_session_t *s)
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{
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ngx_rtmp_bandwidth_detection_app_conf_t *acf;
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ngx_rtmp_bandwidth_detection_ctx_t *bw_ctx;
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ngx_rtmp_live_ctx_t *lv_ctx;
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ngx_uint_t timePassed;
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ngx_uint_t deltaDown;
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double deltaTime;
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double kbitDown;
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uint64_t bytesOut;
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acf = ngx_rtmp_get_module_app_conf(s, ngx_rtmp_bandwidth_detection_module);
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if (acf == NULL) {
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ngx_log_error(NGX_LOG_WARN, s->connection->log, 0,
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"bandwidth_detection: check - no app config!");
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return NGX_ERROR;
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}
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if (!acf->test_time) {
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ngx_log_error(NGX_LOG_WARN, s->connection->log, 0,
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"bandwidth_detection: check - no test time!");
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return NGX_ERROR;
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}
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bw_ctx = ngx_rtmp_get_module_ctx(s, ngx_rtmp_bandwidth_detection_module);
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if (bw_ctx == NULL) {
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ngx_log_debug0(NGX_LOG_DEBUG, s->connection->log, 0,
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"bandwidth_detection: check - no bw context!");
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return NGX_OK;
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}
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if (!bw_ctx->active) {
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ngx_log_debug0(NGX_LOG_DEBUG, s->connection->log, 0,
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"bandwidth_detection: check - not active!");
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return NGX_OK;
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}
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lv_ctx = ngx_rtmp_get_module_ctx(s, ngx_rtmp_live_module);
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if (lv_ctx == NULL) {
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ngx_log_debug0(NGX_LOG_DEBUG, s->connection->log, 0,
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"bandwidth_detection: check - no live context!");
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return NGX_OK;
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}
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if (lv_ctx->stream == NULL) {
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ngx_log_debug0(NGX_LOG_DEBUG, s->connection->log, 0,
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"bandwidth_detection: check - no live stream!");
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return NGX_OK;
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}
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timePassed = ngx_cached_time->msec - bw_ctx->bw_begin_time;
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bw_ctx->pkt_received ++;
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if (bw_ctx->pkt_received == 1) {
|
||||
bw_ctx->latency = ngx_min(timePassed, acf->latency_max);
|
||||
bw_ctx->latency = ngx_max(bw_ctx->latency, acf->latency_min);
|
||||
bw_ctx->pkt_recv_time1 = ngx_cached_time->msec;
|
||||
}
|
||||
|
||||
if (bw_ctx->pkt_received == 2) {
|
||||
bw_ctx->pkt_recv_time2 = ngx_cached_time->msec;
|
||||
}
|
||||
|
||||
// If we have a hi-speed network with low latency send more to determine
|
||||
// better bandwidth numbers, send no more than 6 packets
|
||||
if (bw_ctx->pkt_received == 2 && timePassed < acf->test_time) {
|
||||
|
||||
bw_ctx->pkt_sent ++;
|
||||
bw_ctx->cum_latency ++;
|
||||
return ngx_rtmp_send_bwcheck(s, acf->payload);
|
||||
|
||||
} else if (bw_ctx->pkt_received == bw_ctx->pkt_sent) {
|
||||
|
||||
// See if we need to normalize latency
|
||||
if ( bw_ctx->latency >= acf->latency_undef ) {
|
||||
|
||||
// make sure we detect sattelite and modem correctly
|
||||
if (bw_ctx->pkt_recv_time2 - bw_ctx->pkt_recv_time1 > 1000) {
|
||||
bw_ctx->latency = acf->latency_undef;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
bytesOut = lv_ctx->stream->bw_out.bytes;
|
||||
deltaDown = (bytesOut - bw_ctx->bytes_out) *8/1000.;
|
||||
deltaTime = ( (ngx_cached_time->msec - bw_ctx->bw_begin_time) - (bw_ctx->latency*bw_ctx->cum_latency))/1000.;
|
||||
|
||||
if (deltaTime <= 0) deltaTime = (ngx_cached_time->msec - bw_ctx->bw_begin_time)/1000.;
|
||||
|
||||
kbitDown = deltaDown/deltaTime;
|
||||
|
||||
ngx_log_debug0(NGX_LOG_DEBUG, s->connection->log, 0,
|
||||
"bandwidth_detection: check - done!");
|
||||
ngx_log_debug5(NGX_LOG_DEBUG, s->connection->log, 0,
|
||||
"bandwidth_detection: check - kbitDown=%ui, deltaDown=%.3f, deltaTime=%.3f, latency=%.3f, KBytes=%ui",
|
||||
kbitDown, deltaDown, deltaTime, bw_ctx->latency, (bytesOut - bw_ctx->bytes_out)/1024);
|
||||
|
||||
return ngx_rtmp_send_bwdone(s, kbitDown, deltaDown, deltaTime, bw_ctx->latency);
|
||||
}
|
||||
|
||||
if (bw_ctx->pkt_sent == 1 && bw_ctx->pkt_received == 1) {
|
||||
// First call
|
||||
return ngx_rtmp_send_bwcheck(s, acf->payload);
|
||||
}
|
||||
|
||||
return NGX_OK;
|
||||
}
|
||||
|
||||
|
||||
static ngx_int_t
|
||||
ngx_rtmp_bandwidth_detection_postconfiguration(ngx_conf_t *cf)
|
||||
{
|
||||
ngx_rtmp_core_main_conf_t *cmcf;
|
||||
ngx_rtmp_amf_handler_t *ch;
|
||||
|
||||
cmcf = ngx_rtmp_conf_get_module_main_conf(cf, ngx_rtmp_core_module);
|
||||
|
||||
ch = ngx_array_push(&cmcf->amf);
|
||||
ngx_str_set(&ch->name, "checkBandwidth");
|
||||
ch->handler = ngx_rtmp_bandwidth_detection_start;
|
||||
|
||||
ch = ngx_array_push(&cmcf->amf);
|
||||
ngx_str_set(&ch->name, "_result");
|
||||
ch->handler = ngx_rtmp_bandwidth_detection_on_result;
|
||||
|
||||
return NGX_OK;
|
||||
}
|
||||
50
ngx_rtmp_bandwidth_detection_module.h
Normal file
50
ngx_rtmp_bandwidth_detection_module.h
Normal file
|
|
@ -0,0 +1,50 @@
|
|||
|
||||
/*
|
||||
* Copyright (C) Sergey Dryabzhinsky, 2016
|
||||
*
|
||||
* Based on http://permalink.gmane.org/gmane.comp.web.flash.red5/5869
|
||||
* And live & stat modules
|
||||
*/
|
||||
|
||||
|
||||
#ifndef _NGX_RTMP_BANDWIDTH_DETECTION_H_INCLUDED_
|
||||
#define _NGX_RTMP_BANDWIDTH_DETECTION_H_INCLUDED_
|
||||
|
||||
#include <ngx_config.h>
|
||||
#include <ngx_core.h>
|
||||
#include "ngx_rtmp.h"
|
||||
#include "ngx_rtmp_cmd_module.h"
|
||||
#include "ngx_rtmp_bandwidth.h"
|
||||
#include "ngx_rtmp_streams.h"
|
||||
|
||||
|
||||
typedef struct ngx_rtmp_bandwidth_detection_ctx_s ngx_rtmp_bandwidth_detection_ctx_t;
|
||||
|
||||
struct ngx_rtmp_bandwidth_detection_ctx_s {
|
||||
ngx_rtmp_session_t *session;
|
||||
uint64_t bytes_out;
|
||||
ngx_msec_t bw_begin_time;
|
||||
ngx_uint_t pkt_sent;
|
||||
ngx_uint_t pkt_received;
|
||||
ngx_msec_t pkt_recv_time1;
|
||||
ngx_msec_t pkt_recv_time2;
|
||||
ngx_uint_t cum_latency;
|
||||
ngx_msec_t latency;
|
||||
unsigned active:1;
|
||||
};
|
||||
|
||||
typedef struct {
|
||||
ngx_msec_t latency_min; // Minimal detectable latency, msec
|
||||
ngx_msec_t latency_max; // Maximum latency assumed, msec
|
||||
ngx_msec_t latency_undef; // Default latency for modem, msec
|
||||
// or satellite connections or undetectable one
|
||||
ngx_msec_t test_time; // How long test bandwidth, msec
|
||||
|
||||
u_char *payload; // Payload data for all
|
||||
} ngx_rtmp_bandwidth_detection_app_conf_t;
|
||||
|
||||
|
||||
extern ngx_module_t ngx_rtmp_bandwidth_detection_module;
|
||||
|
||||
|
||||
#endif /* _NGX_RTMP_BANDWIDTH_DETECTION_H_INCLUDED_ */
|
||||
139
ngx_rtmp_send.c
139
ngx_rtmp_send.c
|
|
@ -8,6 +8,7 @@
|
|||
#include "ngx_rtmp.h"
|
||||
#include "ngx_rtmp_amf.h"
|
||||
#include "ngx_rtmp_streams.h"
|
||||
#include "ngx_rtmp_transitions.h"
|
||||
|
||||
|
||||
#define NGX_RTMP_USER_START(s, tp) \
|
||||
|
|
@ -985,3 +986,141 @@ ngx_rtmp_send_sample_access(ngx_rtmp_session_t *s)
|
|||
return ngx_rtmp_send_shared_packet(s,
|
||||
ngx_rtmp_create_sample_access(s));
|
||||
}
|
||||
|
||||
/* -------------------------------------- For bandwidth detection ---------------------------------- */
|
||||
|
||||
ngx_chain_t *
|
||||
ngx_rtmp_create_bwcheck(ngx_rtmp_session_t *s, u_char *payload)
|
||||
{
|
||||
ngx_rtmp_header_t h;
|
||||
|
||||
static double trans;
|
||||
|
||||
static ngx_rtmp_amf_elt_t out_inf[] = {
|
||||
|
||||
{ NGX_RTMP_AMF_STRING,
|
||||
ngx_null_string,
|
||||
NULL, 0 },
|
||||
|
||||
};
|
||||
|
||||
static ngx_rtmp_amf_elt_t out_elts[] = {
|
||||
|
||||
{ NGX_RTMP_AMF_STRING,
|
||||
ngx_null_string,
|
||||
"onBWCheck", 0 },
|
||||
|
||||
{ NGX_RTMP_AMF_NUMBER,
|
||||
ngx_null_string,
|
||||
&trans, 0 },
|
||||
|
||||
{ NGX_RTMP_AMF_NULL,
|
||||
ngx_null_string,
|
||||
NULL, 0 },
|
||||
|
||||
{ NGX_RTMP_AMF_OBJECT,
|
||||
ngx_null_string,
|
||||
out_inf,
|
||||
sizeof(out_inf) },
|
||||
};
|
||||
|
||||
out_inf[0].data = payload;
|
||||
trans = NGX_RTMP_BANDWIDTH_DETECTION_BWCHECK_TRANS;
|
||||
|
||||
memset(&h, 0, sizeof(h));
|
||||
|
||||
h.type = NGX_RTMP_MSG_AMF_CMD;
|
||||
h.csid = NGX_RTMP_CSID_AMF;
|
||||
h.msid = NGX_RTMP_MSID;
|
||||
|
||||
return ngx_rtmp_create_amf(s, &h, out_elts,
|
||||
sizeof(out_elts) / sizeof(out_elts[0]));
|
||||
}
|
||||
|
||||
ngx_int_t
|
||||
ngx_rtmp_send_bwcheck(ngx_rtmp_session_t *s, u_char *payload)
|
||||
{
|
||||
return ngx_rtmp_send_shared_packet(s,
|
||||
ngx_rtmp_create_bwcheck(s, payload));
|
||||
}
|
||||
|
||||
|
||||
ngx_chain_t *
|
||||
ngx_rtmp_create_bwdone(ngx_rtmp_session_t *s,
|
||||
double kbitDown, ngx_uint_t deltaDown, double deltaTime, ngx_msec_t latency)
|
||||
{
|
||||
ngx_rtmp_header_t h;
|
||||
|
||||
static double trans;
|
||||
static struct {
|
||||
double kbitDown;
|
||||
ngx_uint_t deltaDown;
|
||||
double deltaTime;
|
||||
ngx_msec_t latency;
|
||||
} v;
|
||||
|
||||
static ngx_rtmp_amf_elt_t out_inf[] = {
|
||||
|
||||
{ NGX_RTMP_AMF_NUMBER,
|
||||
ngx_null_string,
|
||||
&v.kbitDown, 0 },
|
||||
|
||||
{ NGX_RTMP_AMF_NUMBER,
|
||||
ngx_null_string,
|
||||
&v.deltaDown, 0 },
|
||||
|
||||
{ NGX_RTMP_AMF_NUMBER,
|
||||
ngx_null_string,
|
||||
&v.deltaTime, 0 },
|
||||
|
||||
{ NGX_RTMP_AMF_NUMBER,
|
||||
ngx_null_string,
|
||||
&v.latency, 0 },
|
||||
|
||||
};
|
||||
|
||||
static ngx_rtmp_amf_elt_t out_elts[] = {
|
||||
|
||||
{ NGX_RTMP_AMF_STRING,
|
||||
ngx_null_string,
|
||||
"onBWDone", 0 },
|
||||
|
||||
{ NGX_RTMP_AMF_NUMBER,
|
||||
ngx_null_string,
|
||||
&trans, 0 },
|
||||
|
||||
{ NGX_RTMP_AMF_NULL,
|
||||
ngx_null_string,
|
||||
NULL, 0 },
|
||||
|
||||
{ NGX_RTMP_AMF_OBJECT,
|
||||
ngx_null_string,
|
||||
out_inf,
|
||||
sizeof(out_inf) },
|
||||
};
|
||||
|
||||
ngx_memzero(&v, sizeof(v));
|
||||
v.kbitDown = kbitDown;
|
||||
v.deltaDown = deltaDown;
|
||||
v.deltaTime = deltaTime;
|
||||
v.latency = latency;
|
||||
trans = NGX_RTMP_BANDWIDTH_DETECTION_BWDONE_TRANS;
|
||||
|
||||
memset(&h, 0, sizeof(h));
|
||||
|
||||
h.type = NGX_RTMP_MSG_AMF_CMD;
|
||||
h.csid = NGX_RTMP_CSID_AMF;
|
||||
h.msid = NGX_RTMP_MSID;
|
||||
|
||||
return ngx_rtmp_create_amf(s, &h, out_elts,
|
||||
sizeof(out_elts) / sizeof(out_elts[0]));
|
||||
}
|
||||
|
||||
|
||||
ngx_int_t
|
||||
ngx_rtmp_send_bwdone(ngx_rtmp_session_t *s,
|
||||
double kbitDown, ngx_uint_t deltaDown, double deltaTime, ngx_msec_t latency)
|
||||
{
|
||||
return ngx_rtmp_send_shared_packet(s,
|
||||
ngx_rtmp_create_bwdone(s, kbitDown, deltaDown, deltaTime, latency));
|
||||
}
|
||||
|
|
|
|||
15
ngx_rtmp_transitions.h
Normal file
15
ngx_rtmp_transitions.h
Normal file
|
|
@ -0,0 +1,15 @@
|
|||
|
||||
/*
|
||||
* Copyright (C) Sergey Dryabzhinsky, 2016
|
||||
*
|
||||
* Based on http://permalink.gmane.org/gmane.comp.web.flash.red5/5869
|
||||
* And live & stat modules
|
||||
*/
|
||||
|
||||
#ifndef _NGX_RTMP_TRANSITIONS_H_INCLUDED_
|
||||
#define _NGX_RTMP_TRANSITIONS_H_INCLUDED_
|
||||
|
||||
#define NGX_RTMP_BANDWIDTH_DETECTION_BWCHECK_TRANS 3
|
||||
#define NGX_RTMP_BANDWIDTH_DETECTION_BWDONE_TRANS 4
|
||||
|
||||
#endif // _NGX_RTMP_TRANSITIONS_H_INCLUDED_
|
||||
Loading…
Reference in a new issue