YouTube playback test over a SIM
Stream a video over the cellular connection and measure playback quality.
Stream a video over the SIM's data connection and measure the experience: time to first frame, buffering events, dropped pictures, achieved quality. The closest measurement to what a subscriber feels when watching video on the network.
Parameters
| Parameter | Required | Description |
|---|---|---|
| Url | Yes | The video URL to stream. |
| Quality | No | Requested video quality. Default: 144p. |
| Duration to play | No | How long to stream, in seconds. Default: 10. |
Plus the shared connection settings.
Results and metrics
In the action report (result):
| Field | Description |
|---|---|
first_buffering_time | Time before playback starts. |
additional_buffering_time, additional_buffering_count | Re-buffering during playback: total time and number of stalls. |
played_time | Seconds actually played. |
displayed_pictures, lost_pictures | Frames displayed versus dropped. |
played_audio_buffers, lost_audio_buffers | Audio continuity. |
streamed_quality, best_available_quality, codec | The quality obtained versus available, and the codec. |
total_bytes, read_bytes | Data volume transferred. |
In Analytics, each run feeds the video measurement with the buffering times and counts, lost_pictures_percent, buffering_percent, played time, and volumes, tagged by status, streamed quality, APN, antenna, DNS server, and access technology.
What's next?
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