Pepper: Define PPB_VideoEncoder API + Implementation

ppapi/cpp/video_encoder.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.
+
+#include "ppapi/cpp/video_encoder.h"
+
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/c/ppb_video_encoder.h"
+#include "ppapi/cpp/completion_callback.h"
+#include "ppapi/cpp/instance_handle.h"
+#include "ppapi/cpp/module.h"
+#include "ppapi/cpp/module_impl.h"
+
+namespace pp {
+
+namespace {
+
+template <>
+const char* interface_name<PPB_VideoEncoder_0_1>() {
+  return PPB_VIDEOENCODER_INTERFACE_0_1;
+}
+
+}  // namespace
+
+VideoEncoder::VideoEncoder() {
+}
+
+VideoEncoder::VideoEncoder(const InstanceHandle& instance) {
+  if (has_interface<PPB_VideoEncoder_0_1>()) {
+    PassRefFromConstructor(
+        get_interface<PPB_VideoEncoder_0_1>()->Create(instance.pp_instance()));
+  }
+}
+
+VideoEncoder::VideoEncoder(const VideoEncoder& other) : Resource(other) {
+}
+
+int32_t VideoEncoder::GetSupportedProfiles(const CompletionCallbackWithOutput<
+    std::vector<PP_SupportedVideoProfile>>& cc) {
+  if (has_interface<PPB_VideoEncoder_0_1>()) {
+    return get_interface<PPB_VideoEncoder_0_1>()->GetSupportedProfiles(
+        pp_resource(), cc.output(), cc.pp_completion_callback());
+  }
+  return cc.MayForce(PP_ERROR_NOINTERFACE);
+}
+
+int32_t VideoEncoder::Initialize(const PP_VideoFrame_Format& input_format,
+                                 const Size& input_visible_size,
+                                 const PP_VideoProfile& output_profile,
+                                 const uint32_t initial_bitrate,
+                                 PP_HardwareAcceleration acceleration,
+                                 const CompletionCallback& cc) {
+  if (has_interface<PPB_VideoEncoder_0_1>()) {
+    return get_interface<PPB_VideoEncoder_0_1>()->Initialize(
+        pp_resource(), input_format, &input_visible_size.pp_size(),
+        output_profile, initial_bitrate, acceleration,
+        cc.pp_completion_callback());
+  }
+  return cc.MayForce(PP_ERROR_NOINTERFACE);
+}
+
+int32_t VideoEncoder::GetFramesRequired() {
+  if (has_interface<PPB_VideoEncoder_0_1>()) {
+    return get_interface<PPB_VideoEncoder_0_1>()->GetFramesRequired(
+        pp_resource());
+  }
+  return PP_ERROR_NOINTERFACE;
+}
+
+int32_t VideoEncoder::GetFrameCodedSize(Size* coded_size) {
+  if (has_interface<PPB_VideoEncoder_0_1>()) {
+    return get_interface<PPB_VideoEncoder_0_1>()->GetFrameCodedSize(
+        pp_resource(), &coded_size->pp_size());
+  }
+  return PP_ERROR_NOINTERFACE;
+}
+
+int32_t VideoEncoder::GetVideoFrame(
+    const CompletionCallbackWithOutput<VideoFrame>& cc) {
+  if (has_interface<PPB_VideoEncoder_0_1>()) {
+    return get_interface<PPB_VideoEncoder_0_1>()->GetVideoFrame(
+        pp_resource(), cc.output(), cc.pp_completion_callback());
+  }
+  return cc.MayForce(PP_ERROR_NOINTERFACE);
+}
+
+int32_t VideoEncoder::Encode(const VideoFrame& video_frame,
+                             bool force_keyframe,
+                             const CompletionCallback& cc) {
+  if (has_interface<PPB_VideoEncoder_0_1>()) {
+    return get_interface<PPB_VideoEncoder_0_1>()->Encode(
+        pp_resource(), video_frame.pp_resource(), PP_FromBool(force_keyframe),
+        cc.pp_completion_callback());
+  }
+  return cc.MayForce(PP_ERROR_NOINTERFACE);
+}
+
+int32_t VideoEncoder::GetBitstreamBuffer(
+    const CompletionCallbackWithOutput<PP_BitstreamBuffer>& cc) {
+  if (has_interface<PPB_VideoEncoder_0_1>()) {
+    return get_interface<PPB_VideoEncoder_0_1>()->GetBitstreamBuffer(
+        pp_resource(), cc.output(), cc.pp_completion_callback());
+  }
+  return cc.MayForce(PP_ERROR_NOINTERFACE);
+}
+
+void VideoEncoder::RecycleBitstreamBuffer(
+    const PP_BitstreamBuffer& bitstream_buffer) {
+  if (has_interface<PPB_VideoEncoder_0_1>()) {
+    get_interface<PPB_VideoEncoder_0_1>()->RecycleBitstreamBuffer(
+        pp_resource(), &bitstream_buffer);
+  }
+}
+
+void VideoEncoder::RequestEncodingParametersChange(uint32_t bitrate,
+                                                   uint32_t framerate) {
+  if (has_interface<PPB_VideoEncoder_0_1>()) {
+    get_interface<PPB_VideoEncoder_0_1>()->RequestEncodingParametersChange(
+        pp_resource(), bitrate, framerate);
+  }
+}
+
+}  // namespace pp