Implementation for Pepper C++ Video Decoder API (wrapper on top of C API).

ppapi/cpp/dev/video_decoder_dev.cc

 // Copyright (c) 2011 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/dev/video_decoder_dev.h"
 
 #include "ppapi/c/dev/ppb_video_decoder_dev.h"
 #include "ppapi/c/dev/ppp_video_decoder_dev.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/cpp/common.h"
 #include "ppapi/cpp/instance.h"
 #include "ppapi/cpp/module.h"
 #include "ppapi/cpp/module_impl.h"
 
-using std::vector;
-
 namespace pp {
 
 namespace {
 
 template <> const char* interface_name<PPB_VideoDecoder_Dev>() {
   return PPB_VIDEODECODER_DEV_INTERFACE;
 }
 
 }  // namespace
 
-VideoDecoder::VideoDecoder(const Instance* /* instance */,
-                           const std::vector<uint32_t>& /* config */,
-                           CompletionCallback /* callback */,
+VideoDecoder::VideoDecoder(const Instance* instance,
+                           const std::vector<PP_VideoConfigElement>& config,
+                           CompletionCallback callback,
                            Client* client)
     : client_(client) {
   if (!has_interface<PPB_VideoDecoder_Dev>())
     return;
-  // TODO(vmr): Implement.
+  PassRefFromConstructor(get_interface<PPB_VideoDecoder_Dev>()->Create(
+      instance->pp_instance(), &config[0], callback.pp_completion_callback()));
 }
 
 VideoDecoder::~VideoDecoder() {}
 
-vector<uint32_t> VideoDecoder::GetConfigs(
-    Instance* /* instance */,
-    const vector<uint32_t>& /* prototype_config */) {
-  // TODO(vmr): Implement.
-  vector<uint32_t> matching_configs;
+std::vector<PP_VideoConfigElement> VideoDecoder::GetConfigs(
+    Instance* instance,
+    const std::vector<PP_VideoConfigElement>& prototype_config) {
+  std::vector<PP_VideoConfigElement> matching_configs;
   if (!has_interface<PPB_VideoDecoder_Dev>())
     return matching_configs;
+  if (prototype_config.size() == 0)
+    return matching_configs;
+
+  // First ask the number of matching configs.
+  uint32_t num_of_matching_configs = 0;
+  get_interface<PPB_VideoDecoder_Dev>()->GetConfigs(
+      instance->pp_instance(), &prototype_config[0], NULL, 0,
+      &num_of_matching_configs);
+  if (num_of_matching_configs == 0)
+    return matching_configs;
+
+  // Then ask the actually matching configs and return them in the vector.
+  matching_configs.resize(num_of_matching_configs);
+  get_interface<PPB_VideoDecoder_Dev>()->GetConfigs(
+      instance->pp_instance(), &prototype_config[0], &matching_configs[0],
+      num_of_matching_configs, &num_of_matching_configs);
   return matching_configs;
 }
 
-void VideoDecoder::AssignGLESBuffers(uint32_t /* no_of_buffers */,
-                                     const PP_GLESBuffer_Dev& /* buffers */) {
-  // TODO(vmr): Implement.
+void VideoDecoder::AssignGLESBuffers(
+    const std::vector<PP_GLESBuffer_Dev>& buffers) {
+  if (!has_interface<PPB_VideoDecoder_Dev>() || !pp_resource())
+    return;
+  get_interface<PPB_VideoDecoder_Dev>()->AssignGLESBuffers(
+      pp_resource(), buffers.size(), &buffers[0]);
 }
 
 void VideoDecoder::AssignSysmemBuffers(
-    uint32_t /* no_of_buffers */,
-    const PP_SysmemBuffer_Dev& /* buffers */) {
-  // TODO(vmr): Implement.
+    const std::vector<PP_SysmemBuffer_Dev>& buffers) {
+  if (!has_interface<PPB_VideoDecoder_Dev>() || !pp_resource())
+    return;
+  get_interface<PPB_VideoDecoder_Dev>()->AssignSysmemBuffers(
+      pp_resource(), buffers.size(), &buffers[0]);
 }
 
-bool VideoDecoder::Decode(
-    const PP_VideoBitstreamBuffer_Dev& /* bitstream_buffer */,
-    CompletionCallback /* callback */) {
-  // TODO(vmr): Implement.
+bool VideoDecoder::Decode(const PP_VideoBitstreamBuffer_Dev& bitstream_buffer,
+                          CompletionCallback callback) {
   if (!has_interface<PPB_VideoDecoder_Dev>() || !pp_resource())
     return false;
-  return false;
+  return PPBoolToBool(get_interface<PPB_VideoDecoder_Dev>()->Decode(
+      pp_resource(), &bitstream_buffer, callback.pp_completion_callback()));
 }
 
-void VideoDecoder::ReusePictureBuffer(int32_t /* picture_buffer_id */) {
-  // TODO(vmr): Implement.
+void VideoDecoder::ReusePictureBuffer(int32_t picture_buffer_id) {
+  if (!has_interface<PPB_VideoDecoder_Dev>() || !pp_resource())
+    return;
+  get_interface<PPB_VideoDecoder_Dev>()->ReusePictureBuffer(
+      pp_resource(), picture_buffer_id);
 }
 
-bool VideoDecoder::Flush(CompletionCallback /* callback */) {
-  // TODO(vmr): Implement.
-  if (!has_interface<PPB_VideoDecoder_Dev>())
+bool VideoDecoder::Flush(CompletionCallback callback) {
+  if (!has_interface<PPB_VideoDecoder_Dev>() || !pp_resource())
     return false;
-  return true;
+  return PPBoolToBool(get_interface<PPB_VideoDecoder_Dev>()->Flush(
+      pp_resource(), callback.pp_completion_callback()));
 }
 
-bool VideoDecoder::Abort(CompletionCallback /* callback */) {
-  // TODO(vmr): Implement.
-  if (!has_interface<PPB_VideoDecoder_Dev>())
+bool VideoDecoder::Abort(CompletionCallback callback) {
+  if (!has_interface<PPB_VideoDecoder_Dev>() || !pp_resource())
     return false;
-  return true;
+  return PPBoolToBool(get_interface<PPB_VideoDecoder_Dev>()->Abort(
+      pp_resource(), callback.pp_completion_callback()));
 }
 
 }  // namespace pp