content: pepper: VideoEncoder: add software encoder support

content/renderer/pepper/pepper_video_encoder_host.cc

Index: content/renderer/pepper/pepper_video_encoder_host.cc
diff --git a/content/renderer/pepper/pepper_video_encoder_host.cc b/content/renderer/pepper/pepper_video_encoder_host.cc
index bacbfe0b309fda372a7f92eb4064d0bf96770abe..ec6c555df94230956033b00aace600d936d2b2f2 100644
--- a/content/renderer/pepper/pepper_video_encoder_host.cc
+++ b/content/renderer/pepper/pepper_video_encoder_host.cc
@@ -11,6 +11,7 @@
 #include "content/renderer/pepper/gfx_conversion.h"
 #include "content/renderer/pepper/host_globals.h"
 #include "content/renderer/pepper/pepper_video_encoder_host.h"
+#include "content/renderer/pepper/video_encoder_shim.h"
 #include "content/renderer/render_thread_impl.h"
 #include "media/base/bind_to_current_loop.h"
 #include "media/base/video_frame.h"
@@ -280,8 +281,7 @@ int32_t PepperVideoEncoderHost::OnHostMsgInitialize(
   int32_t error = PP_ERROR_NOTSUPPORTED;
   initialize_reply_context_ = context->MakeReplyMessageContext();
 
-  if (acceleration == PP_HARDWAREACCELERATION_ONLY ||
-      acceleration == PP_HARDWAREACCELERATION_WITHFALLBACK) {
+  if (acceleration != PP_HARDWAREACCELERATION_NONE) {
     if (InitializeHardware(media_input_format_, input_size, media_profile,
                            initial_bitrate))
       return PP_OK_COMPLETIONPENDING;
@@ -290,7 +290,14 @@ int32_t PepperVideoEncoderHost::OnHostMsgInitialize(
       error = PP_ERROR_FAILED;
   }
 
-  // TODO(llandwerlin): Software encoder.
+  if (acceleration != PP_HARDWAREACCELERATION_ONLY) {
+    encoder_.reset(new VideoEncoderShim(this));
+    if (encoder_->Initialize(media_input_format_, input_size, media_profile,
+                             initial_bitrate, this))
+      return PP_OK_COMPLETIONPENDING;
+    error = PP_ERROR_FAILED;
+  }
+
   initialize_reply_context_ = ppapi::host::ReplyMessageContext();
   Close();
   return error;
@@ -454,7 +461,11 @@ void PepperVideoEncoderHost::GetSupportedProfiles(
     pp_profiles->push_back(PP_FromVideoEncodeAcceleratorSupportedProfile(
         profile, PP_HARDWAREACCELERATION_ONLY));
 
-  // TODO(llandwerlin): add software supported profiles.
+  VideoEncoderShim software_encoder(this);
+  profiles = software_encoder.GetSupportedProfiles();
+  for (media::VideoEncodeAccelerator::SupportedProfile profile : profiles)
+    pp_profiles->push_back(PP_FromVideoEncodeAcceleratorSupportedProfile(
+        profile, PP_HARDWAREACCELERATION_NONE));
 }
 
 bool PepperVideoEncoderHost::IsInitializationValid(
@@ -649,4 +660,11 @@ void PepperVideoEncoderHost::NotifyPepperError(int32_t error) {
       PpapiPluginMsg_VideoEncoder_NotifyError(encoder_last_error_));
 }
 
+uint8_t* PepperVideoEncoderHost::ShmHandleToAddress(int32 buffer_id) {
+  DCHECK(RenderThreadImpl::current());
+  DCHECK_GE(buffer_id, 0);
+  DCHECK_LT(buffer_id, static_cast<int32>(shm_buffers_.size()));
+  return static_cast<uint8_t*>(shm_buffers_[buffer_id]->shm->memory());
+}
+
 }  // namespace content