MJPEG acceleration for V4L2

content/browser/renderer_host/gpu_jpeg_decoder.cc

Index: content/browser/renderer_host/gpu_jpeg_decoder.cc
diff --git a/content/browser/renderer_host/gpu_jpeg_decoder.cc b/content/browser/renderer_host/gpu_jpeg_decoder.cc
index eeb6ec54c672cd9788e16c0bf6fbba27ccdb2608..5e256065e5aa2a6f912b21f1d05a8a630f02dcdd 100644
--- a/content/browser/renderer_host/gpu_jpeg_decoder.cc
+++ b/content/browser/renderer_host/gpu_jpeg_decoder.cc
@@ -23,6 +23,8 @@ bool GpuJpegDecoder::Supported() {
 // TODO(kcwu): move this information to GpuInfo.
 #if defined(OS_CHROMEOS) && defined(ARCH_CPU_X86_FAMILY)
   return true;
+#elif defined(OS_CHROMEOS) && defined(USE_V4L2_CODEC)

[wuchengli, 2015/05/25 10:29:23]

Can we do this?
#if defined(OS_CHROMEOS)
#if defined(ARCH_CPU_X86_FAMILY) || defined(USE_V4L2_CODEC)
return true;
#endif
#endif

[henryhsu, 2015/06/05 03:28:55]

Because veyron and nyan series don't support JPEG HW decode yet, I prefer to
keep original method.
ARM platform will be false in this CL.

+  return true;
 #endif
   return false;
 }