147642 2015-08-04 11:50:56 -0700 Adding ability to generate image from sample buffer for MediaPlayerPrivateMediaStream 2015-08-04 13:30:06 -0700 1 1 1 Unclassified WebKit WebCore Misc. 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED PlatformOnly P2 Normal --- 1 mdaiter mdaiter bfulgham commit-queue eric.carlson jeremyj-wk jer.noble jonlee mdaiter webkit-bug-importer webkit.review.bot oldest_to_newest 1114680 0 mdaiter 2015-08-04 11:50:56 -0700 Need the ability to generate CGImageRefs from CMSampleBuffers in MediaPlayerPrivateMediaStreamAVFObjC, in order to generate proper buffers for methods that need to paint to a context. If we don't have this method, we can't make an image, and we can't make a context out of a MediaStream. 1114682 1 258194 mdaiter 2015-08-04 11:56:08 -0700 Created attachment 258194 Patch 1114726 2 258194 eric.carlson 2015-08-04 13:01:40 -0700 Comment on attachment 258194 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=258194&action=review > Source/WebCore/platform/graphics/avfoundation/objc/MediaPlayerPrivateMediaStreamAVFObjC.mm:350 > + // Get a CMSampleBuffer's Core Video image buffer for the media data Nit: WebKit style is to not add a comment for something that is obvious from reading the code. This doesn't reach that bar. > Source/WebCore/platform/graphics/avfoundation/objc/MediaPlayerPrivateMediaStreamAVFObjC.mm:353 > + // Lock the base address of the pixel buffer Ditto. > Source/WebCore/platform/graphics/avfoundation/objc/MediaPlayerPrivateMediaStreamAVFObjC.mm:356 > + // Get the number of bytes per row for the pixel buffer This comment is just wrong. > Source/WebCore/platform/graphics/avfoundation/objc/MediaPlayerPrivateMediaStreamAVFObjC.mm:361 > + // Get the number of bytes per row for the pixel buffer > + size_t bytesPerRow = CVPixelBufferGetBytesPerRow(imageBuffer); > + // Get the pixel buffer width and height These are obvious. > Source/WebCore/platform/graphics/avfoundation/objc/MediaPlayerPrivateMediaStreamAVFObjC.mm:365 > + // Create a device-dependent RGB color space Ditto. > Source/WebCore/platform/graphics/avfoundation/objc/MediaPlayerPrivateMediaStreamAVFObjC.mm:372 > + // Unlock the pixel buffer Ditto. 1114728 3 258203 mdaiter 2015-08-04 13:06:01 -0700 Created attachment 258203 Patch 1114729 4 258194 mdaiter 2015-08-04 13:06:44 -0700 Comment on attachment 258194 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=258194&action=review >> Source/WebCore/platform/graphics/avfoundation/objc/MediaPlayerPrivateMediaStreamAVFObjC.mm:350 >> + // Get a CMSampleBuffer's Core Video image buffer for the media data > > Nit: WebKit style is to not add a comment for something that is obvious from reading the code. This doesn't reach that bar. Fixed. >> Source/WebCore/platform/graphics/avfoundation/objc/MediaPlayerPrivateMediaStreamAVFObjC.mm:353 >> + // Lock the base address of the pixel buffer > > Ditto. Fixed. >> Source/WebCore/platform/graphics/avfoundation/objc/MediaPlayerPrivateMediaStreamAVFObjC.mm:356 >> + // Get the number of bytes per row for the pixel buffer > > This comment is just wrong. Fixed. >> Source/WebCore/platform/graphics/avfoundation/objc/MediaPlayerPrivateMediaStreamAVFObjC.mm:361 >> + // Get the pixel buffer width and height > > These are obvious. Fixed. >> Source/WebCore/platform/graphics/avfoundation/objc/MediaPlayerPrivateMediaStreamAVFObjC.mm:365 >> + // Create a device-dependent RGB color space > > Ditto. Fixed. >> Source/WebCore/platform/graphics/avfoundation/objc/MediaPlayerPrivateMediaStreamAVFObjC.mm:372 >> + // Unlock the pixel buffer > > Ditto. Fixed. 1114741 5 258203 commit-queue 2015-08-04 13:30:04 -0700 Comment on attachment 258203 Patch Clearing flags on attachment: 258203 Committed r187883: <http://trac.webkit.org/changeset/187883> 1114742 6 commit-queue 2015-08-04 13:30:06 -0700 All reviewed patches have been landed. Closing bug. 258194 2015-08-04 11:56:08 -0700 2015-08-04 13:05:56 -0700 Patch bug-147642-20150804115601.patch text/plain 3783 mdaiter U3VidmVyc2lvbiBSZXZpc2lvbjogMTg3ODY1CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggZmM5YTI0YjBiMGM2Y2E0 M2IwOTk1ZTZlOTQ2ZjY1OTE4MTdmYzI5YS4uODE0MDMxZDE5OWY4NTczMWQ4OTUzMWJmMzA3OTE0 OWQzZjVjZWZjMSAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDE0IEBACisyMDE1LTA4LTA0ICBNYXR0 aGV3IERhaXRlciAgPG1kYWl0ZXJAYXBwbGUuY29tPgorCisgICAgICAgIEFkZGVkIGFiaWxpdHkg dG8gY3JlYXRlIGltYWdlcyBmcm9tIGJ1ZmZlcnMgZm9yIE1lZGlhU3RyZWFtIHBhaW50IG1ldGhv ZHMKKyAgICAgICAgaHR0cHM6Ly9idWdzLndlYmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTE0NzY0 MgorCisgICAgICAgIFJldmlld2VkIGJ5IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAgICogcGxh dGZvcm0vZ3JhcGhpY3MvYXZmb3VuZGF0aW9uL29iamMvTWVkaWFQbGF5ZXJQcml2YXRlTWVkaWFT dHJlYW1BVkZPYmpDLmg6CisgICAgICAgICogcGxhdGZvcm0vZ3JhcGhpY3MvYXZmb3VuZGF0aW9u 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