video_frame.cc revision 424c4d7b64af9d0d8fd9624f381f469654d5e3d2
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 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)#include "media/base/video_frame.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 72a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include <algorithm> 82a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 92a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/bind.h" 102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/callback_helpers.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/memory/aligned_memory.h" 13c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "base/strings/string_piece.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "media/base/limits.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "media/base/video_util.h" 16c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "third_party/skia/include/core/SkBitmap.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace media { 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)scoped_refptr<VideoFrame> VideoFrame::CreateFrame( 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) VideoFrame::Format format, 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Size& coded_size, 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Rect& visible_rect, 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Size& natural_size, 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::TimeDelta timestamp) { 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsValidConfig(format, coded_size, visible_rect, natural_size)); 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_refptr<VideoFrame> frame(new VideoFrame( 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) format, coded_size, visible_rect, natural_size, timestamp)); 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (format) { 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case VideoFrame::RGB32: 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) frame->AllocateRGB(4u); 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case VideoFrame::YV12: 35c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) case VideoFrame::YV12A: 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case VideoFrame::YV16: 37ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch case VideoFrame::I420: 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) frame->AllocateYUV(); 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(FATAL) << "Unsupported frame format: " << format; 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return frame; 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 473240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdochstd::string VideoFrame::FormatToString(VideoFrame::Format format) { 483240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch switch (format) { 493240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch case VideoFrame::INVALID: 503240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch return "INVALID"; 513240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch case VideoFrame::RGB32: 523240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch return "RGB32"; 533240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch case VideoFrame::YV12: 543240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch return "YV12"; 553240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch case VideoFrame::YV16: 563240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch return "YV16"; 573240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch case VideoFrame::EMPTY: 583240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch return "EMPTY"; 593240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch case VideoFrame::I420: 603240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch return "I420"; 613240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch case VideoFrame::NATIVE_TEXTURE: 623240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch return "NATIVE_TEXTURE"; 633240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch#if defined(GOOGLE_TV) 643240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch case VideoFrame::HOLE: 653240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch return "HOLE"; 663240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch#endif 673240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch case VideoFrame::YV12A: 683240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch return "YV12A"; 693240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch } 703240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch NOTREACHED() << "Invalid videoframe format provided: " << format; 713240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch return ""; 723240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch} 733240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch 743240926e260ce088908e02ac07a6cf7b0c0cbf44Ben Murdoch// static 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool VideoFrame::IsValidConfig(VideoFrame::Format format, 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Size& coded_size, 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Rect& visible_rect, 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Size& natural_size) { 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return (format != VideoFrame::INVALID && 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) !coded_size.IsEmpty() && 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) coded_size.GetArea() <= limits::kMaxCanvas && 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) coded_size.width() <= limits::kMaxDimension && 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) coded_size.height() <= limits::kMaxDimension && 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) !visible_rect.IsEmpty() && 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) visible_rect.x() >= 0 && visible_rect.y() >= 0 && 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) visible_rect.right() <= coded_size.width() && 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) visible_rect.bottom() <= coded_size.height() && 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) !natural_size.IsEmpty() && 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) natural_size.GetArea() <= limits::kMaxCanvas && 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) natural_size.width() <= limits::kMaxDimension && 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) natural_size.height() <= limits::kMaxDimension); 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)scoped_refptr<VideoFrame> VideoFrame::WrapNativeTexture( 96eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch const scoped_refptr<MailboxHolder>& mailbox_holder, 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 texture_target, 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Size& coded_size, 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Rect& visible_rect, 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Size& natural_size, 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::TimeDelta timestamp, 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const ReadPixelsCB& read_pixels_cb, 1032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const base::Closure& no_longer_needed_cb) { 1042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_refptr<VideoFrame> frame(new VideoFrame( 1052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NATIVE_TEXTURE, coded_size, visible_rect, natural_size, timestamp)); 106eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch frame->texture_mailbox_holder_ = mailbox_holder; 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) frame->texture_target_ = texture_target; 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) frame->read_pixels_cb_ = read_pixels_cb; 1092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame->no_longer_needed_cb_ = no_longer_needed_cb; 110eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return frame; 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 114c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void VideoFrame::ReadPixelsFromNativeTexture(const SkBitmap& pixels) { 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_EQ(format_, NATIVE_TEXTURE); 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!read_pixels_cb_.is_null()) 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) read_pixels_cb_.Run(pixels); 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 121ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdochscoped_refptr<VideoFrame> VideoFrame::WrapExternalSharedMemory( 122ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch Format format, 123ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch const gfx::Size& coded_size, 124ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch const gfx::Rect& visible_rect, 125ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch const gfx::Size& natural_size, 126ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch uint8* data, 127424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) size_t data_size, 128ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch base::SharedMemoryHandle handle, 129ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch base::TimeDelta timestamp, 130ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch const base::Closure& no_longer_needed_cb) { 131424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) if (data_size < AllocationSize(format, coded_size)) 132424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) return NULL; 133424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) 134ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch switch (format) { 135ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch case I420: { 136ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch scoped_refptr<VideoFrame> frame(new VideoFrame( 137ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch format, coded_size, visible_rect, natural_size, timestamp)); 138ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch frame->shared_memory_handle_ = handle; 139ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch frame->strides_[kYPlane] = coded_size.width(); 140ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch frame->strides_[kUPlane] = coded_size.width() / 2; 141ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch frame->strides_[kVPlane] = coded_size.width() / 2; 142ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch frame->data_[kYPlane] = data; 143ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch frame->data_[kUPlane] = data + coded_size.GetArea(); 144ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch frame->data_[kVPlane] = data + (coded_size.GetArea() * 5 / 4); 145ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch frame->no_longer_needed_cb_ = no_longer_needed_cb; 146ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch return frame; 147ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch } 148ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch default: 149ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch NOTIMPLEMENTED(); 150ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch return NULL; 151ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch } 152ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch} 153ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch 154ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch// static 1552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)scoped_refptr<VideoFrame> VideoFrame::WrapExternalYuvData( 1562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Format format, 1572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const gfx::Size& coded_size, 1582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const gfx::Rect& visible_rect, 1592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const gfx::Size& natural_size, 160ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch int32 y_stride, 161ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch int32 u_stride, 162ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch int32 v_stride, 163ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch uint8* y_data, 164ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch uint8* u_data, 165ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch uint8* v_data, 1662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::TimeDelta timestamp, 1672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const base::Closure& no_longer_needed_cb) { 1682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(format == YV12 || format == YV16 || format == I420) << format; 1692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_refptr<VideoFrame> frame(new VideoFrame( 1702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) format, coded_size, visible_rect, natural_size, timestamp)); 1712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame->strides_[kYPlane] = y_stride; 1722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame->strides_[kUPlane] = u_stride; 1732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame->strides_[kVPlane] = v_stride; 1742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame->data_[kYPlane] = y_data; 1752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame->data_[kUPlane] = u_data; 1762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame->data_[kVPlane] = v_data; 1772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame->no_longer_needed_cb_ = no_longer_needed_cb; 1782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return frame; 1792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// static 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)scoped_refptr<VideoFrame> VideoFrame::CreateEmptyFrame() { 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return new VideoFrame( 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) VideoFrame::EMPTY, gfx::Size(), gfx::Rect(), gfx::Size(), 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::TimeDelta()); 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)scoped_refptr<VideoFrame> VideoFrame::CreateColorFrame( 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Size& size, 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint8 y, uint8 u, uint8 v, 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::TimeDelta timestamp) { 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsValidConfig(VideoFrame::YV12, size, gfx::Rect(size), size)); 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_refptr<VideoFrame> frame = VideoFrame::CreateFrame( 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) VideoFrame::YV12, size, gfx::Rect(size), size, timestamp); 196868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) FillYUV(frame.get(), y, u, v); 1975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return frame; 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)scoped_refptr<VideoFrame> VideoFrame::CreateBlackFrame(const gfx::Size& size) { 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const uint8 kBlackY = 0x00; 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const uint8 kBlackUV = 0x80; 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const base::TimeDelta kZero; 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return CreateColorFrame(size, kBlackY, kBlackUV, kBlackUV, kZero); 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#if defined(GOOGLE_TV) 2092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// This block and other blocks wrapped around #if defined(GOOGLE_TV) is not 2102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// maintained by the general compositor team. Please contact the following 2112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// people instead: 2122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// 2132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// wonsik@chromium.org 2142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// ycheo@chromium.org 2152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// static 2172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)scoped_refptr<VideoFrame> VideoFrame::CreateHoleFrame( 2182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const gfx::Size& size) { 2192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(IsValidConfig(VideoFrame::HOLE, size, gfx::Rect(size), size)); 2202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_refptr<VideoFrame> frame(new VideoFrame( 2212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) VideoFrame::HOLE, size, gfx::Rect(size), size, base::TimeDelta())); 2222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return frame; 2232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#endif 2252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// static 2272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)size_t VideoFrame::NumPlanes(Format format) { 2282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) switch (format) { 2292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case VideoFrame::NATIVE_TEXTURE: 2302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#if defined(GOOGLE_TV) 2312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case VideoFrame::HOLE: 2322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#endif 2332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return 0; 2342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case VideoFrame::RGB32: 2352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return 1; 2362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case VideoFrame::YV12: 2372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case VideoFrame::YV16: 238ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch case VideoFrame::I420: 2392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return 3; 240c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) case VideoFrame::YV12A: 241c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return 4; 2422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case VideoFrame::EMPTY: 2432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case VideoFrame::INVALID: 2442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) break; 2452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 2462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NOTREACHED() << "Unsupported video frame format: " << format; 2472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return 0; 2482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static inline size_t RoundUp(size_t value, size_t alignment) { 2515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Check that |alignment| is a power of 2. 2525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK((alignment + (alignment - 1)) == (alignment | (alignment - 1))); 2535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ((value + (alignment - 1)) & ~(alignment-1)); 254424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)} 255424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) 256424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)// static 257424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)size_t VideoFrame::AllocationSize(Format format, const gfx::Size& coded_size) { 258424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) switch (format) { 259424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) case VideoFrame::RGB32: 260424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) return coded_size.GetArea() * 4; 261424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) case VideoFrame::YV12: 262424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) case VideoFrame::I420: { 263424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) const size_t rounded_size = 264424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) RoundUp(coded_size.width(), 2) * RoundUp(coded_size.height(), 2); 265424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) return rounded_size * 3 / 2; 266424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) } 267424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) case VideoFrame::YV12A: { 268424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) const size_t rounded_size = 269424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) RoundUp(coded_size.width(), 2) * RoundUp(coded_size.height(), 2); 270424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) return rounded_size * 5 / 2; 271424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) } 272424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) case VideoFrame::YV16: { 273424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) const size_t rounded_size = 274424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) RoundUp(coded_size.width(), 2) * RoundUp(coded_size.height(), 2); 275424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) return rounded_size * 2; 276424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) } 277424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) case VideoFrame::INVALID: 278424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) case VideoFrame::EMPTY: 279424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) case VideoFrame::NATIVE_TEXTURE: 280424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)#if defined(GOOGLE_TV) 281424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) case VideoFrame::HOLE: 282424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)#endif 283424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) break; 284424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) } 285424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) NOTREACHED() << "Unsupported video frame format: " << format; 286424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) return 0; 2875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Release data allocated by AllocateRGB() or AllocateYUV(). 2902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)static void ReleaseData(uint8* data) { 2912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(data); 2922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::AlignedFree(data); 2932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void VideoFrame::AllocateRGB(size_t bytes_per_pixel) { 2965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Round up to align at least at a 16-byte boundary for each row. 2975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This is sufficient for MMX and SSE2 reads (movq/movdqa). 2985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t bytes_per_row = RoundUp(coded_size_.width(), 2995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) kFrameSizeAlignment) * bytes_per_pixel; 3005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t aligned_height = RoundUp(coded_size_.height(), kFrameSizeAlignment); 3015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) strides_[VideoFrame::kRGBPlane] = bytes_per_row; 3025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data_[VideoFrame::kRGBPlane] = reinterpret_cast<uint8*>( 3032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::AlignedAlloc(bytes_per_row * aligned_height + kFrameSizePadding, 3042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) kFrameAddressAlignment)); 3052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) no_longer_needed_cb_ = base::Bind(&ReleaseData, data_[VideoFrame::kRGBPlane]); 3065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(!(reinterpret_cast<intptr_t>(data_[VideoFrame::kRGBPlane]) & 7)); 3075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) COMPILE_ASSERT(0 == VideoFrame::kRGBPlane, RGB_data_must_be_index_0); 3085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void VideoFrame::AllocateYUV() { 311c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) DCHECK(format_ == VideoFrame::YV12 || format_ == VideoFrame::YV16 || 312ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch format_ == VideoFrame::YV12A || format_ == VideoFrame::I420); 3135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Align Y rows at least at 16 byte boundaries. The stride for both 3145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // YV12 and YV16 is 1/2 of the stride of Y. For YV12, every row of bytes for 3155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // U and V applies to two rows of Y (one byte of UV for 4 bytes of Y), so in 3165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the case of YV12 the strides are identical for the same width surface, but 3175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the number of bytes allocated for YV12 is 1/2 the amount for U & V as 3185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // YV16. We also round the height of the surface allocated to be an even 3195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // number to avoid any potential of faulting by code that attempts to access 3205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the Y values of the final row, but assumes that the last row of U & V 321c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // applies to a full two rows of Y. YV12A is the same as YV12, but with an 322c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // additional alpha plane that has the same size and alignment as the Y plane. 323c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 3245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t y_stride = RoundUp(row_bytes(VideoFrame::kYPlane), 3255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) kFrameSizeAlignment); 3265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t uv_stride = RoundUp(row_bytes(VideoFrame::kUPlane), 3275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) kFrameSizeAlignment); 3285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The *2 here is because some formats (e.g. h264) allow interlaced coding, 3295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // and then the size needs to be a multiple of two macroblocks (vertically). 3305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // See libavcodec/utils.c:avcodec_align_dimensions2(). 3315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t y_height = RoundUp(coded_size_.height(), kFrameSizeAlignment * 2); 332ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch size_t uv_height = 333ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch (format_ == VideoFrame::YV12 || format_ == VideoFrame::YV12A || 334ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch format_ == VideoFrame::I420) 335ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch ? y_height / 2 336ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch : y_height; 3375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t y_bytes = y_height * y_stride; 3385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t uv_bytes = uv_height * uv_stride; 339c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) size_t a_bytes = format_ == VideoFrame::YV12A ? y_bytes : 0; 3405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The extra line of UV being allocated is because h264 chroma MC 3425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // overreads by one line in some cases, see libavcodec/utils.c: 3435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // avcodec_align_dimensions2() and libavcodec/x86/h264_chromamc.asm: 3445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // put_h264_chroma_mc4_ssse3(). 3455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint8* data = reinterpret_cast<uint8*>( 3462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::AlignedAlloc( 347c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) y_bytes + (uv_bytes * 2 + uv_stride) + a_bytes + kFrameSizePadding, 3482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) kFrameAddressAlignment)); 3492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) no_longer_needed_cb_ = base::Bind(&ReleaseData, data); 3505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) COMPILE_ASSERT(0 == VideoFrame::kYPlane, y_plane_data_must_be_index_0); 3515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data_[VideoFrame::kYPlane] = data; 3525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data_[VideoFrame::kUPlane] = data + y_bytes; 3535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data_[VideoFrame::kVPlane] = data + y_bytes + uv_bytes; 3545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) strides_[VideoFrame::kYPlane] = y_stride; 3555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) strides_[VideoFrame::kUPlane] = uv_stride; 3565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) strides_[VideoFrame::kVPlane] = uv_stride; 357c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (format_ == YV12A) { 358c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) data_[VideoFrame::kAPlane] = data + y_bytes + (2 * uv_bytes); 359c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) strides_[VideoFrame::kAPlane] = y_stride; 360c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 3615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)VideoFrame::VideoFrame(VideoFrame::Format format, 3645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Size& coded_size, 3655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Rect& visible_rect, 3665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Size& natural_size, 3675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::TimeDelta timestamp) 3685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : format_(format), 3695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) coded_size_(coded_size), 3705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) visible_rect_(visible_rect), 3715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) natural_size_(natural_size), 3725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) texture_target_(0), 373eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch shared_memory_handle_(base::SharedMemory::NULLHandle()), 3745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) timestamp_(timestamp) { 3755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) memset(&strides_, 0, sizeof(strides_)); 3765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) memset(&data_, 0, sizeof(data_)); 3775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)VideoFrame::~VideoFrame() { 3802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!no_longer_needed_cb_.is_null()) 3812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::ResetAndReturn(&no_longer_needed_cb_).Run(); 3825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool VideoFrame::IsValidPlane(size_t plane) const { 3852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return (plane < NumPlanes(format_)); 3865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int VideoFrame::stride(size_t plane) const { 3895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsValidPlane(plane)); 3905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return strides_[plane]; 3915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int VideoFrame::row_bytes(size_t plane) const { 3945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsValidPlane(plane)); 3955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int width = coded_size_.width(); 3965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (format_) { 3975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 32bpp. 3985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case RGB32: 3995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return width * 4; 4005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Planar, 8bpp. 402ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch case YV12A: 403ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch if (plane == kAPlane) 404ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch return width; 405ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch // Fallthrough. 4065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case YV12: 4075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case YV16: 408ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch case I420: 409ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch if (plane == kYPlane) 4105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return width; 4115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return RoundUp(width, 2) / 2; 4125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 4145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 4155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Intentionally leave out non-production formats. 4185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED() << "Unsupported video frame format: " << format_; 4195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 4205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int VideoFrame::rows(size_t plane) const { 4235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsValidPlane(plane)); 4245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int height = coded_size_.height(); 4255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (format_) { 4265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case RGB32: 4275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case YV16: 4285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return height; 4295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 430c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) case YV12A: 431ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch if (plane == kAPlane) 432ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch return height; 433ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch // Fallthrough. 434ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch case YV12: 435ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch case I420: 436ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch if (plane == kYPlane) 4375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return height; 4385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return RoundUp(height, 2) / 2; 4395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 4415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 4425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Intentionally leave out non-production formats. 4455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED() << "Unsupported video frame format: " << format_; 4465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 4475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)uint8* VideoFrame::data(size_t plane) const { 4505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsValidPlane(plane)); 4515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return data_[plane]; 4525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 454eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdochconst scoped_refptr<VideoFrame::MailboxHolder>& VideoFrame::texture_mailbox() 455eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch const { 4565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_EQ(format_, NATIVE_TEXTURE); 457eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return texture_mailbox_holder_; 4585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)uint32 VideoFrame::texture_target() const { 4615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_EQ(format_, NATIVE_TEXTURE); 4625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return texture_target_; 4635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdochbase::SharedMemoryHandle VideoFrame::shared_memory_handle() const { 466eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return shared_memory_handle_; 467eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch} 468eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 4695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool VideoFrame::IsEndOfStream() const { 4705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return format_ == VideoFrame::EMPTY; 4715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void VideoFrame::HashFrameForTesting(base::MD5Context* context) { 4742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (int plane = 0; plane < kMaxPlanes; ++plane) { 4755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!IsValidPlane(plane)) 4765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 4772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (int row = 0; row < rows(plane); ++row) { 4785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::MD5Update(context, base::StringPiece( 4795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reinterpret_cast<char*>(data(plane) + stride(plane) * row), 4805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) row_bytes(plane))); 4815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 485eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen MurdochVideoFrame::MailboxHolder::MailboxHolder( 486eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch const gpu::Mailbox& mailbox, 487eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch unsigned sync_point, 488eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch const TextureNoLongerNeededCallback& release_callback) 489eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch : mailbox_(mailbox), 490eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch sync_point_(sync_point), 491eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch release_callback_(release_callback) {} 492eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 493eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen MurdochVideoFrame::MailboxHolder::~MailboxHolder() { 494eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch if (!release_callback_.is_null()) 495eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch release_callback_.Run(sync_point_); 496eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch} 497eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 4985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace media 499