| // Copyright 2013 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 "cc/resources/video_resource_updater.h" |
| |
| #include "base/bind.h" |
| #include "cc/output/gl_renderer.h" |
| #include "cc/resources/resource_provider.h" |
| #include "gpu/GLES2/gl2extchromium.h" |
| #include "media/base/video_frame.h" |
| #include "media/filters/skcanvas_video_renderer.h" |
| #include "third_party/khronos/GLES2/gl2.h" |
| #include "third_party/khronos/GLES2/gl2ext.h" |
| #include "ui/gfx/size_conversions.h" |
| |
| const unsigned kYUVResourceFormat = GL_LUMINANCE; |
| const unsigned kRGBResourceFormat = GL_RGBA; |
| |
| namespace cc { |
| |
| VideoFrameExternalResources::VideoFrameExternalResources() : type(NONE) {} |
| |
| VideoFrameExternalResources::~VideoFrameExternalResources() {} |
| |
| VideoResourceUpdater::VideoResourceUpdater(ResourceProvider* resource_provider) |
| : resource_provider_(resource_provider) { |
| } |
| |
| VideoResourceUpdater::~VideoResourceUpdater() { |
| while (!all_resources_.empty()) { |
| resource_provider_->DeleteResource(all_resources_.back()); |
| all_resources_.pop_back(); |
| } |
| } |
| |
| void VideoResourceUpdater::DeleteResource(unsigned resource_id) { |
| resource_provider_->DeleteResource(resource_id); |
| all_resources_.erase(std::remove(all_resources_.begin(), |
| all_resources_.end(), |
| resource_id)); |
| } |
| |
| VideoFrameExternalResources VideoResourceUpdater:: |
| CreateExternalResourcesFromVideoFrame( |
| const scoped_refptr<media::VideoFrame>& video_frame) { |
| if (!VerifyFrame(video_frame)) |
| return VideoFrameExternalResources(); |
| |
| if (video_frame->format() == media::VideoFrame::NATIVE_TEXTURE) |
| return CreateForHardwarePlanes(video_frame); |
| else |
| return CreateForSoftwarePlanes(video_frame); |
| } |
| |
| bool VideoResourceUpdater::VerifyFrame( |
| const scoped_refptr<media::VideoFrame>& video_frame) { |
| // If these fail, we'll have to add logic that handles offset bitmap/texture |
| // UVs. For now, just expect (0, 0) offset, since all our decoders so far |
| // don't offset. |
| DCHECK_EQ(video_frame->visible_rect().x(), 0); |
| DCHECK_EQ(video_frame->visible_rect().y(), 0); |
| |
| switch (video_frame->format()) { |
| // Acceptable inputs. |
| case media::VideoFrame::YV12: |
| case media::VideoFrame::YV12A: |
| case media::VideoFrame::YV16: |
| case media::VideoFrame::NATIVE_TEXTURE: |
| #if defined(GOOGLE_TV) |
| case media::VideoFrame::HOLE: |
| #endif |
| return true; |
| |
| // Unacceptable inputs. ¯\(°_o)/¯ |
| case media::VideoFrame::INVALID: |
| case media::VideoFrame::RGB32: |
| case media::VideoFrame::EMPTY: |
| case media::VideoFrame::I420: |
| break; |
| } |
| return false; |
| } |
| |
| // For frames that we receive in software format, determine the dimensions of |
| // each plane in the frame. |
| static gfx::Size SoftwarePlaneDimension( |
| media::VideoFrame::Format input_frame_format, |
| gfx::Size coded_size, |
| GLenum output_resource_format, |
| int plane_index) { |
| if (output_resource_format == kYUVResourceFormat) { |
| if (plane_index == media::VideoFrame::kYPlane || |
| plane_index == media::VideoFrame::kAPlane) |
| return coded_size; |
| |
| switch (input_frame_format) { |
| case media::VideoFrame::YV12: |
| case media::VideoFrame::YV12A: |
| return gfx::ToFlooredSize(gfx::ScaleSize(coded_size, 0.5f, 0.5f)); |
| case media::VideoFrame::YV16: |
| return gfx::ToFlooredSize(gfx::ScaleSize(coded_size, 0.5f, 1.f)); |
| |
| case media::VideoFrame::INVALID: |
| case media::VideoFrame::RGB32: |
| case media::VideoFrame::EMPTY: |
| case media::VideoFrame::I420: |
| case media::VideoFrame::NATIVE_TEXTURE: |
| #if defined(GOOGLE_TV) |
| case media::VideoFrame::HOLE: |
| #endif |
| NOTREACHED(); |
| } |
| } |
| |
| DCHECK_EQ(output_resource_format, static_cast<unsigned>(kRGBResourceFormat)); |
| return coded_size; |
| } |
| |
| VideoFrameExternalResources VideoResourceUpdater::CreateForSoftwarePlanes( |
| const scoped_refptr<media::VideoFrame>& video_frame) { |
| media::VideoFrame::Format input_frame_format = video_frame->format(); |
| |
| #if defined(GOOGLE_TV) |
| if (input_frame_format == media::VideoFrame::HOLE) { |
| VideoFrameExternalResources external_resources; |
| external_resources.type = VideoFrameExternalResources::HOLE; |
| return external_resources; |
| } |
| #endif |
| |
| // Only YUV software video frames are supported. |
| DCHECK(input_frame_format == media::VideoFrame::YV12 || |
| input_frame_format == media::VideoFrame::YV12A || |
| input_frame_format == media::VideoFrame::YV16); |
| if (input_frame_format != media::VideoFrame::YV12 && |
| input_frame_format != media::VideoFrame::YV12A && |
| input_frame_format != media::VideoFrame::YV16) |
| return VideoFrameExternalResources(); |
| |
| bool software_compositor = !resource_provider_->GraphicsContext3D(); |
| |
| GLenum output_resource_format = kYUVResourceFormat; |
| size_t output_plane_count = |
| (input_frame_format == media::VideoFrame::YV12A) ? 4 : 3; |
| |
| // TODO(skaslev): If we're in software compositing mode, we do the YUV -> RGB |
| // conversion here. That involves an extra copy of each frame to a bitmap. |
| // Obviously, this is suboptimal and should be addressed once ubercompositor |
| // starts shaping up. |
| if (software_compositor) { |
| output_resource_format = kRGBResourceFormat; |
| output_plane_count = 1; |
| } |
| |
| int max_resource_size = resource_provider_->max_texture_size(); |
| gfx::Size coded_frame_size = video_frame->coded_size(); |
| |
| std::vector<PlaneResource> plane_resources; |
| bool allocation_success = true; |
| |
| for (size_t i = 0; i < output_plane_count; ++i) { |
| gfx::Size output_plane_resource_size = |
| SoftwarePlaneDimension(input_frame_format, |
| coded_frame_size, |
| output_resource_format, |
| i); |
| if (output_plane_resource_size.IsEmpty() || |
| output_plane_resource_size.width() > max_resource_size || |
| output_plane_resource_size.height() > max_resource_size) { |
| allocation_success = false; |
| break; |
| } |
| |
| ResourceProvider::ResourceId resource_id = 0; |
| gpu::Mailbox mailbox; |
| |
| // Try recycle a previously-allocated resource. |
| for (size_t i = 0; i < recycled_resources_.size(); ++i) { |
| if (recycled_resources_[i].resource_format == output_resource_format && |
| recycled_resources_[i].resource_size == output_plane_resource_size) { |
| resource_id = recycled_resources_[i].resource_id; |
| mailbox = recycled_resources_[i].mailbox; |
| recycled_resources_.erase(recycled_resources_.begin() + i); |
| break; |
| } |
| } |
| |
| if (resource_id == 0) { |
| // TODO(danakj): Abstract out hw/sw resource create/delete from |
| // ResourceProvider and stop using ResourceProvider in this class. |
| resource_id = |
| resource_provider_->CreateResource(output_plane_resource_size, |
| output_resource_format, |
| ResourceProvider::TextureUsageAny); |
| |
| DCHECK(mailbox.IsZero()); |
| |
| if (!software_compositor) { |
| WebKit::WebGraphicsContext3D* context = |
| resource_provider_->GraphicsContext3D(); |
| DCHECK(context); |
| |
| GLC(context, context->genMailboxCHROMIUM(mailbox.name)); |
| if (mailbox.IsZero()) { |
| resource_provider_->DeleteResource(resource_id); |
| resource_id = 0; |
| } else { |
| ResourceProvider::ScopedWriteLockGL lock( |
| resource_provider_, resource_id); |
| GLC(context, context->bindTexture(GL_TEXTURE_2D, lock.texture_id())); |
| GLC(context, context->produceTextureCHROMIUM(GL_TEXTURE_2D, |
| mailbox.name)); |
| GLC(context, context->bindTexture(GL_TEXTURE_2D, 0)); |
| } |
| } |
| |
| if (resource_id) |
| all_resources_.push_back(resource_id); |
| } |
| |
| if (resource_id == 0) { |
| allocation_success = false; |
| break; |
| } |
| |
| DCHECK(software_compositor || !mailbox.IsZero()); |
| plane_resources.push_back(PlaneResource(resource_id, |
| output_plane_resource_size, |
| output_resource_format, |
| mailbox)); |
| } |
| |
| if (!allocation_success) { |
| for (size_t i = 0; i < plane_resources.size(); ++i) |
| DeleteResource(plane_resources[i].resource_id); |
| return VideoFrameExternalResources(); |
| } |
| |
| VideoFrameExternalResources external_resources; |
| |
| if (software_compositor) { |
| DCHECK_EQ(plane_resources.size(), 1u); |
| DCHECK_EQ(plane_resources[0].resource_format, kRGBResourceFormat); |
| DCHECK(plane_resources[0].mailbox.IsZero()); |
| |
| if (!video_renderer_) |
| video_renderer_.reset(new media::SkCanvasVideoRenderer); |
| |
| { |
| ResourceProvider::ScopedWriteLockSoftware lock( |
| resource_provider_, plane_resources[0].resource_id); |
| video_renderer_->Paint(video_frame.get(), |
| lock.sk_canvas(), |
| video_frame->visible_rect(), |
| 0xff); |
| } |
| |
| // In software mode, the resource provider won't be lost. Soon this callback |
| // will be called directly from the resource provider, same as 3d |
| // compositing mode, so this raw unretained resource_provider will always |
| // be valid when the callback is fired. |
| RecycleResourceData recycle_data = { |
| plane_resources[0].resource_id, |
| plane_resources[0].resource_size, |
| plane_resources[0].resource_format, |
| gpu::Mailbox() |
| }; |
| TextureMailbox::ReleaseCallback callback_to_free_resource = |
| base::Bind(&RecycleResource, |
| AsWeakPtr(), |
| recycle_data); |
| external_resources.software_resources.push_back( |
| plane_resources[0].resource_id); |
| external_resources.software_release_callback = callback_to_free_resource; |
| |
| external_resources.type = VideoFrameExternalResources::SOFTWARE_RESOURCE; |
| return external_resources; |
| } |
| |
| for (size_t i = 0; i < plane_resources.size(); ++i) { |
| // Update each plane's resource id with its content. |
| DCHECK_EQ(plane_resources[i].resource_format, |
| static_cast<unsigned>(kYUVResourceFormat)); |
| |
| const uint8_t* input_plane_pixels = video_frame->data(i); |
| |
| gfx::Rect image_rect(0, |
| 0, |
| video_frame->stride(i), |
| plane_resources[i].resource_size.height()); |
| gfx::Rect source_rect(plane_resources[i].resource_size); |
| resource_provider_->SetPixels(plane_resources[i].resource_id, |
| input_plane_pixels, |
| image_rect, |
| source_rect, |
| gfx::Vector2d()); |
| |
| RecycleResourceData recycle_data = { |
| plane_resources[i].resource_id, |
| plane_resources[i].resource_size, |
| plane_resources[i].resource_format, |
| plane_resources[i].mailbox |
| }; |
| TextureMailbox::ReleaseCallback callback_to_free_resource = |
| base::Bind(&RecycleResource, |
| AsWeakPtr(), |
| recycle_data); |
| external_resources.mailboxes.push_back( |
| TextureMailbox(plane_resources[i].mailbox, |
| callback_to_free_resource)); |
| } |
| |
| external_resources.type = VideoFrameExternalResources::YUV_RESOURCE; |
| return external_resources; |
| } |
| |
| static void ReturnTexture( |
| scoped_refptr<media::VideoFrame::MailboxHolder> mailbox_holder, |
| unsigned sync_point, |
| bool lost_resource) { |
| mailbox_holder->Return(sync_point); |
| } |
| |
| VideoFrameExternalResources VideoResourceUpdater::CreateForHardwarePlanes( |
| const scoped_refptr<media::VideoFrame>& video_frame) { |
| media::VideoFrame::Format frame_format = video_frame->format(); |
| |
| DCHECK_EQ(frame_format, media::VideoFrame::NATIVE_TEXTURE); |
| if (frame_format != media::VideoFrame::NATIVE_TEXTURE) |
| return VideoFrameExternalResources(); |
| |
| WebKit::WebGraphicsContext3D* context = |
| resource_provider_->GraphicsContext3D(); |
| if (!context) |
| return VideoFrameExternalResources(); |
| |
| VideoFrameExternalResources external_resources; |
| switch (video_frame->texture_target()) { |
| case GL_TEXTURE_2D: |
| external_resources.type = VideoFrameExternalResources::RGB_RESOURCE; |
| break; |
| case GL_TEXTURE_EXTERNAL_OES: |
| external_resources.type = |
| VideoFrameExternalResources::STREAM_TEXTURE_RESOURCE; |
| break; |
| case GL_TEXTURE_RECTANGLE_ARB: |
| external_resources.type = VideoFrameExternalResources::IO_SURFACE; |
| break; |
| default: |
| NOTREACHED(); |
| return VideoFrameExternalResources(); |
| } |
| |
| scoped_refptr<media::VideoFrame::MailboxHolder> mailbox_holder = |
| video_frame->texture_mailbox(); |
| |
| TextureMailbox::ReleaseCallback callback_to_return_resource = |
| base::Bind(&ReturnTexture, mailbox_holder); |
| |
| external_resources.mailboxes.push_back( |
| TextureMailbox(mailbox_holder->mailbox(), |
| callback_to_return_resource, |
| video_frame->texture_target(), |
| mailbox_holder->sync_point())); |
| return external_resources; |
| } |
| |
| // static |
| void VideoResourceUpdater::RecycleResource( |
| base::WeakPtr<VideoResourceUpdater> updater, |
| RecycleResourceData data, |
| unsigned sync_point, |
| bool lost_resource) { |
| if (!updater.get()) { |
| // Resource was already deleted. |
| return; |
| } |
| |
| WebKit::WebGraphicsContext3D* context = |
| updater->resource_provider_->GraphicsContext3D(); |
| if (context && sync_point) |
| GLC(context, context->waitSyncPoint(sync_point)); |
| |
| if (lost_resource) { |
| updater->DeleteResource(data.resource_id); |
| return; |
| } |
| |
| // Drop recycled resources that are the wrong format. |
| while (!updater->recycled_resources_.empty() && |
| updater->recycled_resources_.back().resource_format != |
| data.resource_format) { |
| updater->DeleteResource(updater->recycled_resources_.back().resource_id); |
| updater->recycled_resources_.pop_back(); |
| } |
| |
| PlaneResource recycled_resource(data.resource_id, |
| data.resource_size, |
| data.resource_format, |
| data.mailbox); |
| updater->recycled_resources_.push_back(recycled_resource); |
| } |
| |
| } // namespace cc |
