MJPEG acceleration for V4L2

content/common/gpu/media/gpu_jpeg_decode_accelerator.cc

Index: content/common/gpu/media/gpu_jpeg_decode_accelerator.cc
diff --git a/content/common/gpu/media/gpu_jpeg_decode_accelerator.cc b/content/common/gpu/media/gpu_jpeg_decode_accelerator.cc
index 94cd88e0cadfca066f8e69341a21cfc7f62c684d..4e5948a8aa662fbf69b64b546125eed50b95b16f 100644
--- a/content/common/gpu/media/gpu_jpeg_decode_accelerator.cc
+++ b/content/common/gpu/media/gpu_jpeg_decode_accelerator.cc
@@ -20,6 +20,9 @@
 
 #if defined(OS_CHROMEOS) && defined(ARCH_CPU_X86_FAMILY)

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

#if defined(OS_CHROMEOS)
  #if defined(ARCH_CPU_X86_FAMILY)
  #elif defined(USE_V4L2_CODEC)
  #endif
#endif

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

Done.

 #include "content/common/gpu/media/vaapi_jpeg_decode_accelerator.h"
+#elif defined(USE_V4L2_CODEC)
+#include "content/common/gpu/media/v4l2_device.h"
+#include "content/common/gpu/media/v4l2_jpeg_decode_accelerator.h"
 #endif
 
 namespace base {
@@ -112,6 +115,14 @@ bool GpuJpegDecodeAccelerator::Initialize() {
 #if defined(OS_CHROMEOS) && defined(ARCH_CPU_X86_FAMILY)
   jpeg_decode_accelerator_.reset(
       new VaapiJpegDecodeAccelerator(io_message_loop_));
+#elif defined(OS_CHROMEOS) && defined(USE_V4L2_CODEC)
+  scoped_refptr<V4L2Device> device = V4L2Device::Create(
+      V4L2Device::kJpegDecoder);
+  if (device.get()) {
+    jpeg_decode_accelerator_.reset(new V4L2JpegDecodeAccelerator(
+        device,
+        io_message_loop_));
+  }
 #else
   DVLOG(1) << "HW JPEG decode acceleration not available.";
   return false;