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Code Issues Releases Wiki Activity

support fluency and stream empty count

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This commit is contained in:
winlin 2015-08-20 18:13:07 +08:00
parent fcd2d3d445
commit dfecfb65b1
5 changed files with 224 additions and 87 deletions
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67
trunk/research/players/js/srs.player.js
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@ -30,6 +30,32 @@ function SrsPlayer(container, width, height, private_object) {
this.meatadata = {}; // for on_player_metadata
this.time = 0; // current stream time.
this.buffer_length = 0; // current stream buffer length.
this.kbps = 0; // current stream bitrate(video+audio) in kbps.
this.fps = 0; // current stream video fps.
this.rtime = 0; // flash relative time in ms.
this.__fluency = {
total_empty_count: 0,
total_empty_time: 0,
current_empty_time: 0
};
this.__fluency.on_stream_empty = function(time) {
this.total_empty_count++;
this.current_empty_time = time;
};
this.__fluency.on_stream_full = function(time) {
if (this.current_empty_time > 0) {
this.total_empty_time += time - this.current_empty_time;
this.current_empty_time = 0;
}
};
this.__fluency.calc = function(time) {
var den = this.total_empty_count * 4 + this.total_empty_time * 2 + time;
if (den > 0) {
return time * 100 / den;
}
return 0;
};
}
/**
* user can set some callback, then start the player.
@ -49,6 +75,8 @@ SrsPlayer.prototype.start = function(url) {
flashvars.on_player_ready = "__srs_on_player_ready";
flashvars.on_player_metadata = "__srs_on_player_metadata";
flashvars.on_player_timer = "__srs_on_player_timer";
flashvars.on_player_empty = "__srs_on_player_empty";
flashvars.on_player_full = "__srs_on_player_full";
var params = {};
params.wmode = "opaque";
@ -112,6 +140,18 @@ SrsPlayer.prototype.pause = function() {
SrsPlayer.prototype.resume = function() {
this.callbackObj.ref.__resume();
}
/**
* get the stream fluency, where 100 is 100%.
*/
SrsPlayer.prototype.fluency = function() {
return this.__fluency.calc(this.rtime);
}
/**
* get the stream empty count.
*/
SrsPlayer.prototype.empty_count = function() {
return this.__fluency.total_empty_count;
}
/**
* to set the DAR, for example, DAR=16:9 where num=16,den=9.
* @param num, for example, 16.
@ -148,7 +188,13 @@ SrsPlayer.prototype.on_player_ready = function() {
SrsPlayer.prototype.on_player_metadata = function(metadata) {
// ignore.
}
SrsPlayer.prototype.on_player_timer = function(time, buffer_length) {
SrsPlayer.prototype.on_player_timer = function(time, buffer_length, kbps, fps, rtime) {
// ignore.
}
SrsPlayer.prototype.on_player_empty = function(time) {
// ignore.
}
SrsPlayer.prototype.on_player_full = function(time) {
// ignore.
}
function __srs_find_player(id) {
@ -177,7 +223,7 @@ function __srs_on_player_metadata(id, metadata) {
player.on_player_metadata(metadata);
}
function __srs_on_player_timer(id, time, buffer_length) {
function __srs_on_player_timer(id, time, buffer_length, kbps, fps, rtime) {
var player = __srs_find_player(id);
buffer_length = Math.max(0, buffer_length);
@ -189,6 +235,19 @@ function __srs_on_player_timer(id, time, buffer_length) {
// so set the data before invoke it.
player.time = time;
player.buffer_length = buffer_length;
player.on_player_timer(time, buffer_length);
player.kbps = kbps;
player.fps = fps;
player.rtime = rtime;
player.on_player_timer(time, buffer_length, kbps, fps, rtime);
}
function __srs_on_player_empty(id, time) {
var player = __srs_find_player(id);
player.__fluency.on_stream_empty(time);
player.on_player_empty(time);
}
function __srs_on_player_full(id, time) {
var player = __srs_find_player(id);
player.__fluency.on_stream_full(time);
player.on_player_full(time);
}