[webkit-changes] [WebKit/WebKit] 00e795: When the WP crashes, some pages also crash the GPU...

[Jean-Yves Avenard]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 00e79561e9f0d9a8c4a6a4020be4e1e7dffb7d19
      https://github.com/WebKit/WebKit/commit/00e79561e9f0d9a8c4a6a4020be4e1e7dffb7d19
  Author: Jean-Yves Avenard <jya at apple.com>
  Date:   2023-04-06 (Thu, 06 Apr 2023)

  Changed paths:
    M Source/WebKit/GPUProcess/media/RemoteMediaSourceProxy.cpp
    M Source/WebKit/GPUProcess/media/RemoteSourceBufferProxy.cpp
    M Source/WebKit/WebProcess/GPU/media/MediaSourcePrivateRemote.cpp

  Log Message:
  -----------
  When the WP crashes, some pages also crash the GPUP under RemoteMediaSourceProxy::~RemoteMediaSourceProxy()
https://bugs.webkit.org/show_bug.cgi?id=255063
rdar://107668734

Reviewed by Tim Horton.

Ensure that the connection to the CP is valid before attempting to send
a message.

* Source/WebKit/GPUProcess/media/RemoteMediaSourceProxy.cpp:
(WebKit::RemoteMediaSourceProxy::~RemoteMediaSourceProxy):
* Source/WebKit/GPUProcess/media/RemoteSourceBufferProxy.cpp:
(WebKit::RemoteSourceBufferProxy::~RemoteSourceBufferProxy):
* Source/WebKit/WebProcess/GPU/media/MediaSourcePrivateRemote.cpp:
(WebKit::MediaSourcePrivateRemote::addSourceBuffer):
(WebKit::MediaSourcePrivateRemote::markEndOfStream):
(WebKit::MediaSourcePrivateRemote::unmarkEndOfStream):

Canonical link: https://commits.webkit.org/262683@main