[Webkit-unassigned] [Bug 167450] This bug is here just to trace the extra changes for information and discussion on the webkit side.

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Jan 26 00:49:34 PST 2017


Alex. Gouaillard <agouaillard at gmail.com> changed:

           What    |Removed                     |Added
                 CC|                            |agouaillard at gmail.com
           Priority|P2                          |P3

--- Comment #1 from Alex. Gouaillard <agouaillard at gmail.com> ---
The default libwebrtc compiles with VP* always ON.
While this patch uses the same implementation that was used for VP9 upstream, it does not modify the build files accordingly.

The proposed solution is to add a GN configuration to reflect that this is a build in webkit, just like the two existing flags that differentiates the standalone build (default), chromium build (build_with_chromium), and the firefox build (build_with firefox). It's more consistent, and it also allows for less post processing of GN Generated files in webkit. Just like firefox flag, it is more prone to breakage, and would be more or less th responsibility of the webkit maintainers to make sure it is kept updated.

in /webrtc/webrtc.gni:

  rtc_libvpx_build_vp8 = true
  if (build_with_webkit) {
    etc_libvpx_build_vp8 = false

in /webrtc/BUILD.gn:

  if (!rtc_libvpx_build_vp8) {
    defines += [ "RTC_DISABLE_VP8" ]

  if (build_with_webkit) {
    defines += [ "WEBRTC_WEBKIT_BUILD" ]

in /webrtc/modules/video_coding/BUILD.gn:

rtc_static_library("webrtc_vp8") {
  if (rtc_libvpx_build_vp8) {
    sources = [
  } else {
    sources = [

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