web_stream_wait
Suspends script execution during stream download until download condition reached.
C Language
int web_stream_wait( "ID=<n>",["StreamingDuration=<seconds>"] ["Percentage=<0-100>"], LAST );
Example | Stream Functions |
Argument | Description |
---|---|
ID | The identifier passed to web_stream_open. |
StreamingDuration | The time to wait (seconds). |
Percentage | The position in the stream to wait for in percent. Percentage value does not work for live streaming. |
LAST | Required marker for the end of the argument list. |
Return Values
This function returns LR_PASS (0) on success, and LR_FAIL (1) on failure.
Parameterization
Standard parameterization is not available for this function.
General Information
The web_stream_wait function suspends play of a stream opened with web_stream_open. When the specified wait condition is reached, the function returns.
Pass exactly one condition: either StreamingDuration, Progress or Percentage.
This function is not recorded. You can insert it manually into your script.
Example
This is an example of a web streaming script:
Action()
{
/**
HTML5 Video
/*/
web_stream_open("ID=1", "URL=http://my_server/streaming-test/Video2/Class%20-%206.mp4", "EventReportCB=PrintBytes", "Protocol=HTTP", "StreamBufferingTimeout=38", LAST);
web_stream_set_param_double("1",SPEED, 2.0);
web_stream_set_param_int("1", BANDWIDTH, 2000000);
web_stream_set_param_int("1", BUFFERING_TIMEOUT, 60);
web_stream_get_state_string("1", SERVER_IP, "ServerIP");
lr_output_message("IP:, %s",lr_eval_string("{ServerIP}"));
lr_output_message("Movie Length : %lf",web_stream_get_param_double("1", Duration));
/***
Play a video. Seek forward, seek backward, seek from the beginning, pause, and stop.
**/
//Play for 30 sec
lr_think_time(15);
lr_start_transaction("HTTP Stream");
web_stream_play("ID=1", "PlayingDuration=30", "Speed=1.5", LAST);
lr_vuser_status_message("Current time in movie:%lf", web_stream_get_param_double("1", CURRENT_TIME));
web_stream_pause("ID=1","PausingDuration=20", LAST);
lr_vuser_status_message("Current time in movie:%lf", web_stream_get_param_double("1", CURRENT_TIME));
web_stream_play("ID=1", "PlayingDuration=10", LAST);
lr_vuser_status_message("Current time in movie:%lf", web_stream_get_param_double("1", CURRENT_TIME));
web_stream_seek("ID=1", "TimeOffset=11", LAST);
lr_vuser_status_message("Current time in movie:%lf", web_stream_get_param_double("1", CURRENT_TIME));
web_stream_play("ID=1", "PlayingDuration=10", LAST);
lr_vuser_status_message("Current time in movie:%lf", web_stream_get_param_double("1", CURRENT_TIME));
web_stream_seek("ID=1", "RelativeOffset=90", LAST);
lr_vuser_status_message("Current time in movie:%lf", web_stream_get_param_double("1", CURRENT_TIME));
web_stream_play("ID=1", "PlayingDuration=10", LAST);
lr_vuser_status_message("Current time in movie:%lf", web_stream_get_param_double("1", CURRENT_TIME));
web_stream_seek("ID=1", "RelativeOffset=-17", LAST);
lr_vuser_status_message("Current time in movie:%lf", web_stream_get_param_double("1", CURRENT_TIME));
web_stream_stop("ID=1", LAST);
lr_end_transaction("HTTP Stream", LR_AUTO);
web_stream_close("ID=1", LAST);
return 0;
}