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Diffstat (limited to 'chromium/media/base/video_frame_metadata.h')
| -rw-r--r-- | chromium/media/base/video_frame_metadata.h | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/chromium/media/base/video_frame_metadata.h b/chromium/media/base/video_frame_metadata.h index 9b845259592..eed8b133a9b 100644 --- a/chromium/media/base/video_frame_metadata.h +++ b/chromium/media/base/video_frame_metadata.h @@ -109,24 +109,6 @@ struct MEDIA_EXPORT VideoFrameMetadata { // and for A/V synchronization purposes. base::Optional<base::TimeTicks> reference_time; - // A feedback signal that indicates the fraction of the tolerable maximum - // amount of resources that were utilized to process this frame. A producer - // can check this value after-the-fact, usually via a VideoFrame destruction - // observer, to determine whether the consumer can handle more or less data - // volume, and achieve the right quality versus performance trade-off. - // - // Values are interpreted as follows: - // Less than 0.0 is meaningless and should be ignored. 1.0 indicates a - // maximum sustainable utilization. Greater than 1.0 indicates the consumer - // is likely to stall or drop frames if the data volume is not reduced. - // - // Example: In a system that encodes and transmits video frames over the - // network, this value can be used to indicate whether sufficient CPU - // is available for encoding and/or sufficient bandwidth is available for - // transmission over the network. The maximum of the two utilization - // measurements would be used as feedback. - base::Optional<double> resource_utilization; - // Sources of VideoFrames use this marker to indicate that an instance of // VideoFrameExternalResources produced from the associated video frame // should use read lock fences. |