1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef PPAPI_CPP_DEV_VIDEO_DECODER_CLIENT_DEV_H_ 6 #define PPAPI_CPP_DEV_VIDEO_DECODER_CLIENT_DEV_H_ 7 8 #include "ppapi/c/pp_stdint.h" 9 #include "ppapi/c/dev/pp_video_dev.h" 10 #include "ppapi/cpp/instance_handle.h" 11 12 namespace pp { 13 14 class Instance; 15 class VideoDecoder_Dev; 16 17 // This class provides a C++ interface for callbacks related to video decoding. 18 // It is the C++ counterpart to PPP_VideoDecoder_Dev. 19 // You would normally use multiple inheritance to derive from this class in your 20 // instance. 21 class VideoDecoderClient_Dev { 22 public: 23 VideoDecoderClient_Dev(Instance* instance); 24 virtual ~VideoDecoderClient_Dev(); 25 26 // Callback to provide buffers for the decoded output pictures. 27 virtual void ProvidePictureBuffers(PP_Resource decoder, 28 uint32_t req_num_of_bufs, 29 const PP_Size& dimensions, 30 uint32_t texture_target) = 0; 31 32 // Callback for decoder to deliver unneeded picture buffers back to the 33 // plugin. 34 virtual void DismissPictureBuffer(PP_Resource decoder, 35 int32_t picture_buffer_id) = 0; 36 37 // Callback to deliver decoded pictures ready to be displayed. 38 virtual void PictureReady(PP_Resource decoder, 39 const PP_Picture_Dev& picture) = 0; 40 41 // Callback to notify about decoding errors. 42 virtual void NotifyError(PP_Resource decoder, 43 PP_VideoDecodeError_Dev error) = 0; 44 45 private: 46 InstanceHandle associated_instance_; 47 }; 48 49 } // namespace pp 50 51 #endif // PPAPI_CPP_DEV_VIDEO_DECODER_CLIENT_DEV_H_ 52