15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright 2014 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef PPAPI_SHARED_IMPL_MEDIA_STREAM_BUFFER_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define PPAPI_SHARED_IMPL_MEDIA_STREAM_BUFFER_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/c/ppb_audio_buffer.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/c/ppb_video_frame.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace ppapi { 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)union MediaStreamBuffer { 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enum Type { TYPE_UNKNOWN = 0, TYPE_AUDIO = 1, TYPE_VIDEO = 2, }; 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 169ab5563a3196760eb381d102cbb2bc0f7abc6a50Ben Murdoch struct Header { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Type type; 184e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) uint32_t size; 19a3f7b4e666c476898878fa745f637129375cd889Ben Murdoch }; 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) struct Audio { 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Header header; 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PP_TimeDelta timestamp; 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PP_AudioBuffer_SampleRate sample_rate; 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32_t number_of_channels; 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32_t number_of_samples; 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32_t data_size; 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Uses 8 bytes to make sure the Audio struct has consistent size between 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NaCl code and renderer code. 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint8_t data[8]; 316e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) }; 325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) struct Video { 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Header header; 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PP_TimeDelta timestamp; 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PP_VideoFrame_Format format; 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PP_Size size; 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32_t data_size; 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Uses 8 bytes to make sure the Video struct has consistent size between 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NaCl code and renderer code. 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint8_t data[8]; 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Because these structs are written and read in shared memory, we need 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the size and alighment to be consistent between NaCl and its host trusted 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // platform. 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PP_COMPILE_ASSERT_SIZE_IN_BYTES(Header, 8); 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PP_COMPILE_ASSERT_SIZE_IN_BYTES(Audio, 40); 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PP_COMPILE_ASSERT_SIZE_IN_BYTES(Video, 40); 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Header header; 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Video video; 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Audio audio; 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace ppapi 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // PPAPI_SHARED_IMPL_MEDIA_STREAM_BUFFER_H_ 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)