Cherry pick PR #1037: [media] Workaround to support video poster #1051
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This CL allows the web app to set a poster image for video element by: 1. Playing the video in decode-to-texture mode. 2. Setting the poster image as the background image of the video element. Previously the video background is painted to black when there are no frames to display. This isn't the expected behavior as it overwrites any background image or color settings on the video element. Now by default Cobalt won't paint the video background to black. H5vcc setting `MediaElement.PaintingVideoBackgroundToBlack` is also introduced so the web app can opt for the previous behavior, i.e. set the background to black. b/261922568 (cherry picked from commit a816c49)
xiaomings
approved these changes
Jul 26, 2023
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Refer to the original PR: #1037
This CL allows the web app to set a poster image for video element by:
Previously the video background is painted to black when there are no frames to display. This isn't the expected behavior as it overwrites any background image or color settings on the video element.
Now by default Cobalt won't paint the video background to black.
H5vcc setting
MediaElement.PaintingVideoBackgroundToBlackis also introduced so the web app can opt for the previous behavior, i.e. set the background to black.b/261922568