| // Copyright (c) 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. |
| |
| #include "ppapi/cpp/video_decoder.h" |
| |
| #include "ppapi/c/pp_errors.h" |
| #include "ppapi/c/ppb_video_decoder.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_VideoDecoder_0_1>() { |
| return PPB_VIDEODECODER_INTERFACE_0_1; |
| } |
| |
| template <> |
| const char* interface_name<PPB_VideoDecoder_0_2>() { |
| return PPB_VIDEODECODER_INTERFACE_0_2; |
| } |
| |
| template <> |
| const char* interface_name<PPB_VideoDecoder_1_0>() { |
| return PPB_VIDEODECODER_INTERFACE_1_0; |
| } |
| |
| template <> |
| const char* interface_name<PPB_VideoDecoder_1_1>() { |
| return PPB_VIDEODECODER_INTERFACE_1_1; |
| } |
| |
| // This struct is used to adapt CompletionCallbackWithOutput<PP_VideoPicture> to |
| // the pre-1.0 APIs, which return PP_VideoPicture_0_1. This struct is allocated |
| // on the heap, and deleted in CallbackConverter. |
| struct CallbackData_0_1 { |
| explicit CallbackData_0_1( |
| const CompletionCallbackWithOutput<PP_VideoPicture>& cc) |
| : original_picture(cc.output()), |
| original_callback(cc.pp_completion_callback()) {} |
| PP_VideoPicture_0_1 picture; |
| PP_VideoPicture* original_picture; |
| PP_CompletionCallback original_callback; |
| }; |
| |
| // Convert a 1.0 style callback to pre-1.0 callback. |
| void CallbackConverter(void* user_data, int32_t result) { |
| CallbackData_0_1* data = static_cast<CallbackData_0_1*>(user_data); |
| if (result == PP_OK) { |
| PP_VideoPicture_0_1* picture = &data->picture; |
| PP_VideoPicture* original_picture = data->original_picture; |
| original_picture->decode_id = picture->decode_id; |
| original_picture->texture_id = picture->texture_id; |
| original_picture->texture_target = picture->texture_target; |
| original_picture->texture_size = picture->texture_size; |
| // Set visible_rect to the entire picture. |
| original_picture->visible_rect = PP_MakeRectFromXYWH( |
| 0, 0, picture->texture_size.width, picture->texture_size.height); |
| } |
| |
| // Now execute the original callback. |
| PP_RunCompletionCallback(&data->original_callback, result); |
| delete data; |
| } |
| |
| } // namespace |
| |
| VideoDecoder::VideoDecoder() { |
| } |
| |
| VideoDecoder::VideoDecoder(const InstanceHandle& instance) { |
| if (has_interface<PPB_VideoDecoder_1_1>()) { |
| PassRefFromConstructor( |
| get_interface<PPB_VideoDecoder_1_1>()->Create(instance.pp_instance())); |
| } else if (has_interface<PPB_VideoDecoder_1_0>()) { |
| PassRefFromConstructor( |
| get_interface<PPB_VideoDecoder_1_0>()->Create(instance.pp_instance())); |
| } else if (has_interface<PPB_VideoDecoder_0_2>()) { |
| PassRefFromConstructor( |
| get_interface<PPB_VideoDecoder_0_2>()->Create(instance.pp_instance())); |
| } else if (has_interface<PPB_VideoDecoder_0_1>()) { |
| PassRefFromConstructor( |
| get_interface<PPB_VideoDecoder_0_1>()->Create(instance.pp_instance())); |
| } |
| } |
| |
| VideoDecoder::VideoDecoder(const VideoDecoder& other) : Resource(other) { |
| } |
| |
| int32_t VideoDecoder::Initialize(const Graphics3D& context, |
| PP_VideoProfile profile, |
| PP_HardwareAcceleration acceleration, |
| uint32_t min_picture_count, |
| const CompletionCallback& cc) { |
| if (has_interface<PPB_VideoDecoder_1_1>()) { |
| return get_interface<PPB_VideoDecoder_1_1>()->Initialize( |
| pp_resource(), context.pp_resource(), profile, acceleration, |
| min_picture_count, cc.pp_completion_callback()); |
| } |
| if (has_interface<PPB_VideoDecoder_1_0>()) { |
| if (min_picture_count != 0) |
| return cc.MayForce(PP_ERROR_NOTSUPPORTED); |
| return get_interface<PPB_VideoDecoder_1_0>()->Initialize( |
| pp_resource(), context.pp_resource(), profile, acceleration, |
| cc.pp_completion_callback()); |
| } |
| if (has_interface<PPB_VideoDecoder_0_2>()) { |
| if (min_picture_count != 0) |
| return cc.MayForce(PP_ERROR_NOTSUPPORTED); |
| return get_interface<PPB_VideoDecoder_0_2>()->Initialize( |
| pp_resource(), context.pp_resource(), profile, acceleration, |
| cc.pp_completion_callback()); |
| } |
| if (has_interface<PPB_VideoDecoder_0_1>()) { |
| if (min_picture_count != 0) |
| return cc.MayForce(PP_ERROR_NOTSUPPORTED); |
| if (acceleration == PP_HARDWAREACCELERATION_NONE) |
| return cc.MayForce(PP_ERROR_NOTSUPPORTED); |
| return get_interface<PPB_VideoDecoder_0_1>()->Initialize( |
| pp_resource(), |
| context.pp_resource(), |
| profile, |
| acceleration == PP_HARDWAREACCELERATION_WITHFALLBACK |
| ? PP_TRUE |
| : PP_FALSE, |
| cc.pp_completion_callback()); |
| } |
| return cc.MayForce(PP_ERROR_NOINTERFACE); |
| } |
| |
| int32_t VideoDecoder::Decode(uint32_t decode_id, |
| uint32_t size, |
| const void* buffer, |
| const CompletionCallback& cc) { |
| if (has_interface<PPB_VideoDecoder_1_0>()) { |
| return get_interface<PPB_VideoDecoder_1_0>()->Decode( |
| pp_resource(), decode_id, size, buffer, cc.pp_completion_callback()); |
| } |
| if (has_interface<PPB_VideoDecoder_0_2>()) { |
| return get_interface<PPB_VideoDecoder_0_2>()->Decode( |
| pp_resource(), decode_id, size, buffer, cc.pp_completion_callback()); |
| } |
| if (has_interface<PPB_VideoDecoder_0_1>()) { |
| return get_interface<PPB_VideoDecoder_0_1>()->Decode( |
| pp_resource(), decode_id, size, buffer, cc.pp_completion_callback()); |
| } |
| return cc.MayForce(PP_ERROR_NOINTERFACE); |
| } |
| |
| int32_t VideoDecoder::GetPicture( |
| const CompletionCallbackWithOutput<PP_VideoPicture>& cc) { |
| if (has_interface<PPB_VideoDecoder_1_0>()) { |
| return get_interface<PPB_VideoDecoder_1_0>()->GetPicture( |
| pp_resource(), cc.output(), cc.pp_completion_callback()); |
| } |
| if (has_interface<PPB_VideoDecoder_0_2>()) { |
| // Data for our callback wrapper. The callback handler will delete it. |
| CallbackData_0_1* data = new CallbackData_0_1(cc); |
| return get_interface<PPB_VideoDecoder_0_2>()->GetPicture( |
| pp_resource(), &data->picture, |
| PP_MakeCompletionCallback(&CallbackConverter, data)); |
| } |
| if (has_interface<PPB_VideoDecoder_0_1>()) { |
| // Data for our callback wrapper. The callback handler will delete it. |
| CallbackData_0_1* data = new CallbackData_0_1(cc); |
| return get_interface<PPB_VideoDecoder_0_1>()->GetPicture( |
| pp_resource(), &data->picture, |
| PP_MakeCompletionCallback(&CallbackConverter, data)); |
| } |
| return cc.MayForce(PP_ERROR_NOINTERFACE); |
| } |
| |
| void VideoDecoder::RecyclePicture(const PP_VideoPicture& picture) { |
| if (has_interface<PPB_VideoDecoder_1_0>()) { |
| get_interface<PPB_VideoDecoder_1_0>()->RecyclePicture(pp_resource(), |
| &picture); |
| } else if (has_interface<PPB_VideoDecoder_0_2>()) { |
| get_interface<PPB_VideoDecoder_0_2>()->RecyclePicture(pp_resource(), |
| &picture); |
| } else if (has_interface<PPB_VideoDecoder_0_1>()) { |
| get_interface<PPB_VideoDecoder_0_1>()->RecyclePicture(pp_resource(), |
| &picture); |
| } |
| } |
| |
| int32_t VideoDecoder::Flush(const CompletionCallback& cc) { |
| if (has_interface<PPB_VideoDecoder_1_0>()) { |
| return get_interface<PPB_VideoDecoder_1_0>()->Flush( |
| pp_resource(), cc.pp_completion_callback()); |
| } |
| if (has_interface<PPB_VideoDecoder_0_2>()) { |
| return get_interface<PPB_VideoDecoder_0_2>()->Flush( |
| pp_resource(), cc.pp_completion_callback()); |
| } |
| if (has_interface<PPB_VideoDecoder_0_1>()) { |
| return get_interface<PPB_VideoDecoder_0_1>()->Flush( |
| pp_resource(), cc.pp_completion_callback()); |
| } |
| return cc.MayForce(PP_ERROR_NOINTERFACE); |
| } |
| |
| int32_t VideoDecoder::Reset(const CompletionCallback& cc) { |
| if (has_interface<PPB_VideoDecoder_1_0>()) { |
| return get_interface<PPB_VideoDecoder_1_0>()->Reset( |
| pp_resource(), cc.pp_completion_callback()); |
| } |
| if (has_interface<PPB_VideoDecoder_0_2>()) { |
| return get_interface<PPB_VideoDecoder_0_2>()->Reset( |
| pp_resource(), cc.pp_completion_callback()); |
| } |
| if (has_interface<PPB_VideoDecoder_0_1>()) { |
| return get_interface<PPB_VideoDecoder_0_1>()->Reset( |
| pp_resource(), cc.pp_completion_callback()); |
| } |
| return cc.MayForce(PP_ERROR_NOINTERFACE); |
| } |
| |
| } // namespace pp |