Pepper: Define PPB_VideoEncoder API + Implementation

ppapi/thunk/ppb_video_encoder_thunk.cc

+// Copyright (c) 2015 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_video_encoder.idl modified Fri Jan 16 13:26:50 2015.
+
+#include "ppapi/c/pp_completion_callback.h"
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/c/ppb_video_encoder.h"
+#include "ppapi/shared_impl/tracked_callback.h"
+#include "ppapi/thunk/enter.h"
+#include "ppapi/thunk/ppapi_thunk_export.h"
+#include "ppapi/thunk/ppb_video_encoder_api.h"
+
+namespace ppapi {
+namespace thunk {
+
+namespace {
+
+PP_Resource Create(PP_Instance instance) {
+  VLOG(4) << "PPB_VideoEncoder::Create()";
+  EnterResourceCreation enter(instance);
+  if (enter.failed())
+    return 0;
+  return enter.functions()->CreateVideoEncoder(instance);
+}
+
+PP_Bool IsVideoEncoder(PP_Resource resource) {
+  VLOG(4) << "PPB_VideoEncoder::IsVideoEncoder()";
+  EnterResource<PPB_VideoEncoder_API> enter(resource, false);
+  return PP_FromBool(enter.succeeded());
+}
+
+int32_t GetSupportedProfiles(PP_Resource video_encoder,
+                             struct PP_ArrayOutput output,
+                             struct PP_CompletionCallback callback) {
+  VLOG(4) << "PPB_VideoEncoder::GetSupportedProfiles()";
+  EnterResource<PPB_VideoEncoder_API> enter(video_encoder, callback, true);
+  if (enter.failed())
+    return enter.retval();
+  return enter.SetResult(
+      enter.object()->GetSupportedProfiles(output, enter.callback()));
+}
+
+int32_t Initialize(PP_Resource video_encoder,
+                   PP_VideoFrame_Format input_format,
+                   const struct PP_Size* input_visible_size,
+                   PP_VideoProfile output_profile,
+                   uint32_t initial_bitrate,
+                   PP_HardwareAcceleration acceleration,
+                   struct PP_CompletionCallback callback) {
+  VLOG(4) << "PPB_VideoEncoder::Initialize()";
+  EnterResource<PPB_VideoEncoder_API> enter(video_encoder, callback, true);
+  if (enter.failed())
+    return enter.retval();
+  return enter.SetResult(enter.object()->Initialize(
+      input_format, input_visible_size, output_profile, initial_bitrate,
+      acceleration, enter.callback()));
+}
+
+int32_t GetFramesRequired(PP_Resource video_encoder) {
+  VLOG(4) << "PPB_VideoEncoder::GetFramesRequired()";
+  EnterResource<PPB_VideoEncoder_API> enter(video_encoder, true);
+  if (enter.failed())
+    return enter.retval();
+  return enter.object()->GetFramesRequired();
+}
+
+int32_t GetFrameCodedSize(PP_Resource video_encoder,
+                          struct PP_Size* coded_size) {
+  VLOG(4) << "PPB_VideoEncoder::GetFrameCodedSize()";
+  EnterResource<PPB_VideoEncoder_API> enter(video_encoder, true);
+  if (enter.failed())
+    return enter.retval();
+  return enter.object()->GetFrameCodedSize(coded_size);
+}
+
+int32_t GetVideoFrame(PP_Resource video_encoder,
+                      PP_Resource* video_frame,
+                      struct PP_CompletionCallback callback) {
+  VLOG(4) << "PPB_VideoEncoder::GetVideoFrame()";
+  EnterResource<PPB_VideoEncoder_API> enter(video_encoder, callback, true);
+  if (enter.failed())
+    return enter.retval();
+  return enter.SetResult(
+      enter.object()->GetVideoFrame(video_frame, enter.callback()));
+}
+
+int32_t Encode(PP_Resource video_encoder,
+               PP_Resource video_frame,
+               PP_Bool force_keyframe,
+               struct PP_CompletionCallback callback) {
+  VLOG(4) << "PPB_VideoEncoder::Encode()";
+  EnterResource<PPB_VideoEncoder_API> enter(video_encoder, callback, true);
+  if (enter.failed())
+    return enter.retval();
+  return enter.SetResult(
+      enter.object()->Encode(video_frame, force_keyframe, enter.callback()));
+}
+
+int32_t GetBitstreamBuffer(PP_Resource video_encoder,
+                           struct PP_BitstreamBuffer* bitstream_buffer,
+                           struct PP_CompletionCallback callback) {
+  VLOG(4) << "PPB_VideoEncoder::GetBitstreamBuffer()";
+  EnterResource<PPB_VideoEncoder_API> enter(video_encoder, callback, true);
+  if (enter.failed())
+    return enter.retval();
+  return enter.SetResult(
+      enter.object()->GetBitstreamBuffer(bitstream_buffer, enter.callback()));
+}
+
+void RecycleBitstreamBuffer(PP_Resource video_encoder,
+                            const struct PP_BitstreamBuffer* bitstream_buffer) {
+  VLOG(4) << "PPB_VideoEncoder::RecycleBitstreamBuffer()";
+  EnterResource<PPB_VideoEncoder_API> enter(video_encoder, true);
+  if (enter.failed())
+    return;
+  enter.object()->RecycleBitstreamBuffer(bitstream_buffer);
+}
+
+void RequestEncodingParametersChange(PP_Resource video_encoder,
+                                     uint32_t bitrate,
+                                     uint32_t framerate) {
+  VLOG(4) << "PPB_VideoEncoder::RequestEncodingParametersChange()";
+  EnterResource<PPB_VideoEncoder_API> enter(video_encoder, true);
+  if (enter.failed())
+    return;
+  enter.object()->RequestEncodingParametersChange(bitrate, framerate);
+}
+
+const PPB_VideoEncoder_0_1 g_ppb_videoencoder_thunk_0_1 = {
+    &Create,
+    &IsVideoEncoder,
+    &GetSupportedProfiles,
+    &Initialize,
+    &GetFramesRequired,
+    &GetFrameCodedSize,
+    &GetVideoFrame,
+    &Encode,
+    &GetBitstreamBuffer,
+    &RecycleBitstreamBuffer,
+    &RequestEncodingParametersChange};
+
+}  // namespace
+
+PPAPI_THUNK_EXPORT const PPB_VideoEncoder_0_1* GetPPB_VideoEncoder_0_1_Thunk() {
+  return &g_ppb_videoencoder_thunk_0_1;
+}
+
+}  // namespace thunk
+}  // namespace ppapi