[PPAPI] Pepper MediaStream API audio thunk implementation

BUG=330851

Review URL: https://codereview.chromium.org/133703004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@244731 0039d316-1c4b-4281-b951-d872f2087c98

5 files changed, 260 insertions, 0 deletions

diff --git a/ppapi/thunk/interfaces_ppb_public_dev_channel.h b/ppapi/thunk/interfaces_ppb_public_dev_channel.h
index 2d2519e..34e5de4 100644
--- a/ppapi/thunk/interfaces_ppb_public_dev_channel.h
+++ b/ppapi/thunk/interfaces_ppb_public_dev_channel.h
@@ -8,7 +8,10 @@
 #include "ppapi/thunk/interfaces_preamble.h"
 
 // Interfaces go here.
+PROXIED_IFACE(PPB_AUDIOFRAME_INTERFACE_0_1, PPB_AudioFrame_0_1)
 PROXIED_IFACE(PPB_FILEREF_INTERFACE_1_2, PPB_FileRef_1_2)
+PROXIED_IFACE(PPB_MEDIASTREAMAUDIOTRACK_INTERFACE_0_1,
+              PPB_MediaStreamAudioTrack_0_1)
 PROXIED_IFACE(PPB_MEDIASTREAMVIDEOTRACK_INTERFACE_0_1,
               PPB_MediaStreamVideoTrack_0_1)
 PROXIED_IFACE(PPB_VIDEOFRAME_INTERFACE_0_1, PPB_VideoFrame_0_1)
diff --git a/ppapi/thunk/ppb_audio_frame_api.h b/ppapi/thunk/ppb_audio_frame_api.h
new file mode 100644
index 0000000..d900538
--- /dev/null
+++ b/ppapi/thunk/ppb_audio_frame_api.h
@@ -0,0 +1,29 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PPAPI_THUNK_PPB_AUDIO_FRAME_API_H_
+#define PPAPI_THUNK_PPB_AUDIO_FRAME_API_H_
+
+#include "ppapi/c/ppb_audio_frame.h"
+#include "ppapi/thunk/ppapi_thunk_export.h"
+
+namespace ppapi {
+namespace thunk {
+
+class PPAPI_THUNK_EXPORT PPB_AudioFrame_API {
+ public:
+  virtual ~PPB_AudioFrame_API() {}
+  virtual PP_TimeDelta GetTimestamp() = 0;
+  virtual void SetTimestamp(PP_TimeDelta timestamp) = 0;
+  virtual uint32_t GetSampleSize() = 0;
+  virtual uint32_t GetNumberOfChannels() = 0;
+  virtual uint32_t GetNumberOfSamples() = 0;
+  virtual void* GetDataBuffer() = 0;
+  virtual uint32_t GetDataBufferSize() = 0;
+};
+
+}  // namespace thunk
+}  // namespace ppapi
+
+#endif  // PPAPI_THUNK_PPB_AUDIO_FRAME_API_H_
diff --git a/ppapi/thunk/ppb_audio_frame_thunk.cc b/ppapi/thunk/ppb_audio_frame_thunk.cc
new file mode 100644
index 0000000..fa4d865
--- /dev/null
+++ b/ppapi/thunk/ppb_audio_frame_thunk.cc
@@ -0,0 +1,101 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// From ppb_audio_frame.idl modified Mon Jan 13 11:39:02 2014.
+
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/c/ppb_audio_frame.h"
+#include "ppapi/shared_impl/tracked_callback.h"
+#include "ppapi/thunk/enter.h"
+#include "ppapi/thunk/ppb_audio_frame_api.h"
+#include "ppapi/thunk/ppb_instance_api.h"
+#include "ppapi/thunk/resource_creation_api.h"
+#include "ppapi/thunk/thunk.h"
+
+namespace ppapi {
+namespace thunk {
+
+namespace {
+
+PP_Bool IsAudioFrame(PP_Resource resource) {
+  VLOG(4) << "PPB_AudioFrame::IsAudioFrame()";
+  EnterResource<PPB_AudioFrame_API> enter(resource, false);
+  return PP_FromBool(enter.succeeded());
+}
+
+PP_TimeDelta GetTimestamp(PP_Resource frame) {
+  VLOG(4) << "PPB_AudioFrame::GetTimestamp()";
+  EnterResource<PPB_AudioFrame_API> enter(frame, true);
+  if (enter.failed())
+    return 0.0;
+  return enter.object()->GetTimestamp();
+}
+
+void SetTimestamp(PP_Resource frame, PP_TimeDelta timestamp) {
+  VLOG(4) << "PPB_AudioFrame::SetTimestamp()";
+  EnterResource<PPB_AudioFrame_API> enter(frame, true);
+  if (enter.failed())
+    return;
+  enter.object()->SetTimestamp(timestamp);
+}
+
+uint32_t GetSampleSize(PP_Resource frame) {
+  VLOG(4) << "PPB_AudioFrame::GetSampleSize()";
+  EnterResource<PPB_AudioFrame_API> enter(frame, true);
+  if (enter.failed())
+    return 0;
+  return enter.object()->GetSampleSize();
+}
+
+uint32_t GetNumberOfChannels(PP_Resource frame) {
+  VLOG(4) << "PPB_AudioFrame::GetNumberOfChannels()";
+  EnterResource<PPB_AudioFrame_API> enter(frame, true);
+  if (enter.failed())
+    return 0;
+  return enter.object()->GetNumberOfChannels();
+}
+
+uint32_t GetNumberOfSamples(PP_Resource frame) {
+  VLOG(4) << "PPB_AudioFrame::GetNumberOfSamples()";
+  EnterResource<PPB_AudioFrame_API> enter(frame, true);
+  if (enter.failed())
+    return 0;
+  return enter.object()->GetNumberOfSamples();
+}
+
+void* GetDataBuffer(PP_Resource frame) {
+  VLOG(4) << "PPB_AudioFrame::GetDataBuffer()";
+  EnterResource<PPB_AudioFrame_API> enter(frame, true);
+  if (enter.failed())
+    return NULL;
+  return enter.object()->GetDataBuffer();
+}
+
+uint32_t GetDataBufferSize(PP_Resource frame) {
+  VLOG(4) << "PPB_AudioFrame::GetDataBufferSize()";
+  EnterResource<PPB_AudioFrame_API> enter(frame, true);
+  if (enter.failed())
+    return 0;
+  return enter.object()->GetDataBufferSize();
+}
+
+const PPB_AudioFrame_0_1 g_ppb_audioframe_thunk_0_1 = {
+  &IsAudioFrame,
+  &GetTimestamp,
+  &SetTimestamp,
+  &GetSampleSize,
+  &GetNumberOfChannels,
+  &GetNumberOfSamples,
+  &GetDataBuffer,
+  &GetDataBufferSize
+};
+
+}  // namespace
+
+const PPB_AudioFrame_0_1* GetPPB_AudioFrame_0_1_Thunk() {
+  return &g_ppb_audioframe_thunk_0_1;
+}
+
+}  // namespace thunk
+}  // namespace ppapi
diff --git a/ppapi/thunk/ppb_media_stream_audio_track_api.h b/ppapi/thunk/ppb_media_stream_audio_track_api.h
new file mode 100644
index 0000000..7b2068a
--- /dev/null
+++ b/ppapi/thunk/ppb_media_stream_audio_track_api.h
@@ -0,0 +1,28 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PPAPI_THUNK_PPB_MEDIA_STREAM_AUDIO_TRACK_API_H_
+#define PPAPI_THUNK_PPB_MEDIA_STREAM_AUDIO_TRACK_API_H_
+
+namespace ppapi {
+namespace thunk {
+
+class PPAPI_THUNK_EXPORT PPB_MediaStreamAudioTrack_API {
+ public:
+  virtual ~PPB_MediaStreamAudioTrack_API() {}
+  virtual PP_Var GetId() = 0;
+  virtual PP_Bool HasEnded() = 0;
+  virtual int32_t Configure(uint32_t samples_per_frame,
+                            uint32_t max_buffered_frames) = 0;
+  virtual int32_t GetFrame(
+      PP_Resource* frame,
+      scoped_refptr<ppapi::TrackedCallback> callback) = 0;
+  virtual int32_t RecycleFrame(PP_Resource frame) = 0;
+  virtual void Close() = 0;
+};
+
+}  // namespace thunk
+}  // namespace ppapi
+
+#endif  // PPAPI_THUNK_PPB_MEDIA_STREAM_AUDIO_TRACK_API_H_
diff --git a/ppapi/thunk/ppb_media_stream_audio_track_thunk.cc b/ppapi/thunk/ppb_media_stream_audio_track_thunk.cc
new file mode 100644
index 0000000..ca066c1
--- /dev/null
+++ b/ppapi/thunk/ppb_media_stream_audio_track_thunk.cc
@@ -0,0 +1,99 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// From ppb_media_stream_audio_track.idl modified Mon Jan 13 11:50:41 2014.
+
+#include "ppapi/c/pp_completion_callback.h"
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/c/ppb_media_stream_audio_track.h"
+#include "ppapi/shared_impl/tracked_callback.h"
+#include "ppapi/thunk/enter.h"
+#include "ppapi/thunk/ppb_instance_api.h"
+#include "ppapi/thunk/ppb_media_stream_audio_track_api.h"
+#include "ppapi/thunk/resource_creation_api.h"
+#include "ppapi/thunk/thunk.h"
+
+namespace ppapi {
+namespace thunk {
+
+namespace {
+
+PP_Bool IsMediaStreamAudioTrack(PP_Resource resource) {
+  VLOG(4) << "PPB_MediaStreamAudioTrack::IsMediaStreamAudioTrack()";
+  EnterResource<PPB_MediaStreamAudioTrack_API> enter(resource, false);
+  return PP_FromBool(enter.succeeded());
+}
+
+int32_t Configure(PP_Resource audio_track,
+                  uint32_t samples_per_frame,
+                  uint32_t max_buffered_frames) {
+  VLOG(4) << "PPB_MediaStreamAudioTrack::Configure()";
+  EnterResource<PPB_MediaStreamAudioTrack_API> enter(audio_track, true);
+  if (enter.failed())
+    return enter.retval();
+  return enter.object()->Configure(samples_per_frame, max_buffered_frames);
+}
+
+struct PP_Var GetId(PP_Resource audio_track) {
+  VLOG(4) << "PPB_MediaStreamAudioTrack::GetId()";
+  EnterResource<PPB_MediaStreamAudioTrack_API> enter(audio_track, true);
+  if (enter.failed())
+    return PP_MakeUndefined();
+  return enter.object()->GetId();
+}
+
+PP_Bool HasEnded(PP_Resource audio_track) {
+  VLOG(4) << "PPB_MediaStreamAudioTrack::HasEnded()";
+  EnterResource<PPB_MediaStreamAudioTrack_API> enter(audio_track, true);
+  if (enter.failed())
+    return PP_TRUE;
+  return enter.object()->HasEnded();
+}
+
+int32_t GetFrame(PP_Resource audio_track,
+                 PP_Resource* frame,
+                 struct PP_CompletionCallback callback) {
+  VLOG(4) << "PPB_MediaStreamAudioTrack::GetFrame()";
+  EnterResource<PPB_MediaStreamAudioTrack_API> enter(audio_track,
+                                                     callback,
+                                                     true);
+  if (enter.failed())
+    return enter.retval();
+  return enter.SetResult(enter.object()->GetFrame(frame, enter.callback()));
+}
+
+int32_t RecycleFrame(PP_Resource audio_track, PP_Resource frame) {
+  VLOG(4) << "PPB_MediaStreamAudioTrack::RecycleFrame()";
+  EnterResource<PPB_MediaStreamAudioTrack_API> enter(audio_track, true);
+  if (enter.failed())
+    return enter.retval();
+  return enter.object()->RecycleFrame(frame);
+}
+
+void Close(PP_Resource audio_track) {
+  VLOG(4) << "PPB_MediaStreamAudioTrack::Close()";
+  EnterResource<PPB_MediaStreamAudioTrack_API> enter(audio_track, true);
+  if (enter.failed())
+    return;
+  enter.object()->Close();
+}
+
+const PPB_MediaStreamAudioTrack_0_1 g_ppb_mediastreamaudiotrack_thunk_0_1 = {
+  &IsMediaStreamAudioTrack,
+  &Configure,
+  &GetId,
+  &HasEnded,
+  &GetFrame,
+  &RecycleFrame,
+  &Close
+};
+
+}  // namespace
+
+const PPB_MediaStreamAudioTrack_0_1* GetPPB_MediaStreamAudioTrack_0_1_Thunk() {
+  return &g_ppb_mediastreamaudiotrack_thunk_0_1;
+}
+
+}  // namespace thunk
+}  // namespace ppapi