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| 1 # Copyright 2013 The Chromium Authors. All rights reserved. | 1 # Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 # Use of this source code is governed by a BSD-style license that can be | 2 # Use of this source code is governed by a BSD-style license that can be |
| 3 # found in the LICENSE file. | 3 # found in the LICENSE file. |
| 4 import logging | 4 import logging |
| 5 import os | 5 import os |
| 6 | 6 |
| 7 from telemetry.value import scalar | |
| 8 from telemetry.value import list_of_scalar_values | |
|
tonyg
2014/06/11 03:39:39
nit:alphabetize
| |
| 9 | |
| 7 from metrics import Metric | 10 from metrics import Metric |
| 8 | 11 |
| 9 | 12 |
| 10 class MediaMetric(Metric): | 13 class MediaMetric(Metric): |
| 11 """MediaMetric class injects and calls JS responsible for recording metrics. | 14 """MediaMetric class injects and calls JS responsible for recording metrics. |
| 12 | 15 |
| 13 Default media metrics are collected for every media element in the page, | 16 Default media metrics are collected for every media element in the page, |
| 14 such as decoded_frame_count, dropped_frame_count, decoded_video_bytes, and | 17 such as decoded_frame_count, dropped_frame_count, decoded_video_bytes, and |
| 15 decoded_audio_bytes. | 18 decoded_audio_bytes. |
| 16 """ | 19 """ |
| (...skipping 34 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
| 51 'decoded_bytes': 13233, | 54 'decoded_bytes': 13233, |
| 52 ... | 55 ... |
| 53 } | 56 } |
| 54 } | 57 } |
| 55 """ | 58 """ |
| 56 def AddOneResult(metric, unit): | 59 def AddOneResult(metric, unit): |
| 57 metrics = media_metric['metrics'] | 60 metrics = media_metric['metrics'] |
| 58 for m in metrics: | 61 for m in metrics: |
| 59 if m.startswith(metric): | 62 if m.startswith(metric): |
| 60 special_label = m[len(metric):] | 63 special_label = m[len(metric):] |
| 64 trace_name = '%s.%s%s' % (metric, trace, special_label) | |
| 61 if isinstance(metrics[m], list): | 65 if isinstance(metrics[m], list): |
| 62 values = [float(v) for v in metrics[m]] | 66 results.AddValue(list_of_scalar_values.ListOfScalarValues( |
| 67 results.current_page, trace_name, unit, | |
| 68 values=[float(v) for v in metrics[m]], | |
| 69 important=True)) | |
| 63 else: | 70 else: |
| 64 values = float(metrics[m]) | 71 results.AddValue(scalar.ScalarValue( |
| 65 results.Add(trace + special_label, unit, values, | 72 results.current_page, trace_name, unit, value=float(metrics[m]), |
| 66 chart_name=metric, data_type='default') | 73 important=True)) |
| 67 | 74 |
| 68 trace = media_metric['id'] | 75 trace = media_metric['id'] |
| 69 if not trace: | 76 if not trace: |
| 70 logging.error('Metrics ID is missing in results.') | 77 logging.error('Metrics ID is missing in results.') |
| 71 return | 78 return |
| 72 | 79 |
| 73 if not self._skip_basic_metrics: | 80 if not self._skip_basic_metrics: |
| 74 AddOneResult('buffering_time', 'ms') | 81 AddOneResult('buffering_time', 'ms') |
| 75 AddOneResult('decoded_audio_bytes', 'bytes') | 82 AddOneResult('decoded_audio_bytes', 'bytes') |
| 76 AddOneResult('decoded_video_bytes', 'bytes') | 83 AddOneResult('decoded_video_bytes', 'bytes') |
| 77 AddOneResult('decoded_frame_count', 'frames') | 84 AddOneResult('decoded_frame_count', 'frames') |
| 78 AddOneResult('dropped_frame_count', 'frames') | 85 AddOneResult('dropped_frame_count', 'frames') |
| 79 AddOneResult('time_to_play', 'ms') | 86 AddOneResult('time_to_play', 'ms') |
| 80 | 87 |
| 81 AddOneResult('avg_loop_time', 'ms') | 88 AddOneResult('avg_loop_time', 'ms') |
| 82 AddOneResult('seek', 'ms') | 89 AddOneResult('seek', 'ms') |
| 83 return trace | 90 return trace |
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