1 // Copyright 2013 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.
5 #include "cc/resources/video_resource_updater.h"
8 #include "base/debug/trace_event.h"
9 #include "cc/output/gl_renderer.h"
10 #include "cc/resources/resource_provider.h"
11 #include "gpu/GLES2/gl2extchromium.h"
12 #include "gpu/command_buffer/client/gles2_interface.h"
13 #include "media/base/video_frame.h"
14 #include "media/filters/skcanvas_video_renderer.h"
15 #include "third_party/khronos/GLES2/gl2.h"
16 #include "third_party/khronos/GLES2/gl2ext.h"
17 #include "ui/gfx/size_conversions.h"
23 const ResourceFormat kYUVResourceFormat = LUMINANCE_8;
24 const ResourceFormat kRGBResourceFormat = RGBA_8888;
26 class SyncPointClientImpl : public media::VideoFrame::SyncPointClient {
28 explicit SyncPointClientImpl(gpu::gles2::GLES2Interface* gl) : gl_(gl) {}
29 virtual ~SyncPointClientImpl() {}
30 virtual uint32 InsertSyncPoint() OVERRIDE {
31 return GLC(gl_, gl_->InsertSyncPointCHROMIUM());
33 virtual void WaitSyncPoint(uint32 sync_point) OVERRIDE {
34 GLC(gl_, gl_->WaitSyncPointCHROMIUM(sync_point));
38 gpu::gles2::GLES2Interface* gl_;
43 VideoFrameExternalResources::VideoFrameExternalResources() : type(NONE) {}
45 VideoFrameExternalResources::~VideoFrameExternalResources() {}
47 VideoResourceUpdater::VideoResourceUpdater(ContextProvider* context_provider,
48 ResourceProvider* resource_provider)
49 : context_provider_(context_provider),
50 resource_provider_(resource_provider) {
53 VideoResourceUpdater::~VideoResourceUpdater() {
54 while (!all_resources_.empty()) {
55 resource_provider_->DeleteResource(all_resources_.back());
56 all_resources_.pop_back();
60 void VideoResourceUpdater::DeleteResource(unsigned resource_id) {
61 resource_provider_->DeleteResource(resource_id);
62 all_resources_.erase(std::remove(all_resources_.begin(),
67 VideoFrameExternalResources VideoResourceUpdater::
68 CreateExternalResourcesFromVideoFrame(
69 const scoped_refptr<media::VideoFrame>& video_frame) {
70 if (!VerifyFrame(video_frame))
71 return VideoFrameExternalResources();
73 if (video_frame->format() == media::VideoFrame::NATIVE_TEXTURE)
74 return CreateForHardwarePlanes(video_frame);
76 return CreateForSoftwarePlanes(video_frame);
79 bool VideoResourceUpdater::VerifyFrame(
80 const scoped_refptr<media::VideoFrame>& video_frame) {
81 switch (video_frame->format()) {
83 case media::VideoFrame::YV12:
84 case media::VideoFrame::I420:
85 case media::VideoFrame::YV12A:
86 case media::VideoFrame::YV16:
87 case media::VideoFrame::YV12J:
88 case media::VideoFrame::YV24:
89 case media::VideoFrame::NATIVE_TEXTURE:
90 #if defined(VIDEO_HOLE)
91 case media::VideoFrame::HOLE:
92 #endif // defined(VIDEO_HOLE)
95 // Unacceptable inputs. ¯\(°_o)/¯
96 case media::VideoFrame::UNKNOWN:
97 case media::VideoFrame::NV12:
103 // For frames that we receive in software format, determine the dimensions of
104 // each plane in the frame.
105 static gfx::Size SoftwarePlaneDimension(
106 const scoped_refptr<media::VideoFrame>& input_frame,
107 ResourceFormat output_resource_format,
108 size_t plane_index) {
109 if (output_resource_format == kYUVResourceFormat) {
110 return media::VideoFrame::PlaneSize(
111 input_frame->format(), plane_index, input_frame->coded_size());
114 DCHECK_EQ(output_resource_format, kRGBResourceFormat);
115 return input_frame->coded_size();
118 VideoFrameExternalResources VideoResourceUpdater::CreateForSoftwarePlanes(
119 const scoped_refptr<media::VideoFrame>& video_frame) {
120 TRACE_EVENT0("cc", "VideoResourceUpdater::CreateForSoftwarePlanes");
121 media::VideoFrame::Format input_frame_format = video_frame->format();
123 #if defined(VIDEO_HOLE)
124 if (input_frame_format == media::VideoFrame::HOLE) {
125 VideoFrameExternalResources external_resources;
126 external_resources.type = VideoFrameExternalResources::HOLE;
127 return external_resources;
129 #endif // defined(VIDEO_HOLE)
131 // Only YUV software video frames are supported.
132 DCHECK(input_frame_format == media::VideoFrame::YV12 ||
133 input_frame_format == media::VideoFrame::I420 ||
134 input_frame_format == media::VideoFrame::YV12A ||
135 input_frame_format == media::VideoFrame::YV12J ||
136 input_frame_format == media::VideoFrame::YV16 ||
137 input_frame_format == media::VideoFrame::YV24);
138 if (input_frame_format != media::VideoFrame::YV12 &&
139 input_frame_format != media::VideoFrame::I420 &&
140 input_frame_format != media::VideoFrame::YV12A &&
141 input_frame_format != media::VideoFrame::YV12J &&
142 input_frame_format != media::VideoFrame::YV16 &&
143 input_frame_format != media::VideoFrame::YV24)
144 return VideoFrameExternalResources();
146 bool software_compositor = context_provider_ == NULL;
148 ResourceFormat output_resource_format = kYUVResourceFormat;
149 size_t output_plane_count = media::VideoFrame::NumPlanes(input_frame_format);
151 // TODO(skaslev): If we're in software compositing mode, we do the YUV -> RGB
152 // conversion here. That involves an extra copy of each frame to a bitmap.
153 // Obviously, this is suboptimal and should be addressed once ubercompositor
154 // starts shaping up.
155 if (software_compositor) {
156 output_resource_format = kRGBResourceFormat;
157 output_plane_count = 1;
160 int max_resource_size = resource_provider_->max_texture_size();
161 std::vector<PlaneResource> plane_resources;
162 bool allocation_success = true;
164 for (size_t i = 0; i < output_plane_count; ++i) {
165 gfx::Size output_plane_resource_size =
166 SoftwarePlaneDimension(video_frame, output_resource_format, i);
167 if (output_plane_resource_size.IsEmpty() ||
168 output_plane_resource_size.width() > max_resource_size ||
169 output_plane_resource_size.height() > max_resource_size) {
170 allocation_success = false;
174 ResourceProvider::ResourceId resource_id = 0;
175 gpu::Mailbox mailbox;
177 // Try recycle a previously-allocated resource.
178 for (size_t i = 0; i < recycled_resources_.size(); ++i) {
179 bool resource_matches =
180 recycled_resources_[i].resource_format == output_resource_format &&
181 recycled_resources_[i].resource_size == output_plane_resource_size;
183 !software_compositor || !resource_provider_->InUseByConsumer(
184 recycled_resources_[i].resource_id);
185 if (resource_matches && not_in_use) {
186 resource_id = recycled_resources_[i].resource_id;
187 mailbox = recycled_resources_[i].mailbox;
188 recycled_resources_.erase(recycled_resources_.begin() + i);
193 if (resource_id == 0) {
194 // TODO(danakj): Abstract out hw/sw resource create/delete from
195 // ResourceProvider and stop using ResourceProvider in this class.
197 resource_provider_->CreateResource(output_plane_resource_size,
199 ResourceProvider::TextureUsageAny,
200 output_resource_format);
202 DCHECK(mailbox.IsZero());
204 if (!software_compositor) {
205 DCHECK(context_provider_);
207 gpu::gles2::GLES2Interface* gl = context_provider_->ContextGL();
209 GLC(gl, gl->GenMailboxCHROMIUM(mailbox.name));
210 ResourceProvider::ScopedWriteLockGL lock(resource_provider_,
213 gl->ProduceTextureDirectCHROMIUM(
214 lock.texture_id(), GL_TEXTURE_2D, mailbox.name));
218 all_resources_.push_back(resource_id);
221 if (resource_id == 0) {
222 allocation_success = false;
226 DCHECK(software_compositor || !mailbox.IsZero());
227 plane_resources.push_back(PlaneResource(resource_id,
228 output_plane_resource_size,
229 output_resource_format,
233 if (!allocation_success) {
234 for (size_t i = 0; i < plane_resources.size(); ++i)
235 DeleteResource(plane_resources[i].resource_id);
236 return VideoFrameExternalResources();
239 VideoFrameExternalResources external_resources;
241 if (software_compositor) {
242 DCHECK_EQ(plane_resources.size(), 1u);
243 DCHECK_EQ(plane_resources[0].resource_format, kRGBResourceFormat);
244 DCHECK(plane_resources[0].mailbox.IsZero());
246 if (!video_renderer_)
247 video_renderer_.reset(new media::SkCanvasVideoRenderer);
250 ResourceProvider::ScopedWriteLockSoftware lock(
251 resource_provider_, plane_resources[0].resource_id);
252 video_renderer_->Copy(video_frame.get(), lock.sk_canvas());
255 RecycleResourceData recycle_data = {
256 plane_resources[0].resource_id,
257 plane_resources[0].resource_size,
258 plane_resources[0].resource_format,
261 external_resources.software_resources.push_back(
262 plane_resources[0].resource_id);
263 external_resources.software_release_callback =
264 base::Bind(&RecycleResource, AsWeakPtr(), recycle_data);
265 external_resources.type = VideoFrameExternalResources::SOFTWARE_RESOURCE;
267 return external_resources;
270 for (size_t i = 0; i < plane_resources.size(); ++i) {
271 // Update each plane's resource id with its content.
272 DCHECK_EQ(plane_resources[i].resource_format, kYUVResourceFormat);
274 const uint8_t* input_plane_pixels = video_frame->data(i);
276 gfx::Rect image_rect(0,
278 video_frame->stride(i),
279 plane_resources[i].resource_size.height());
280 gfx::Rect source_rect(plane_resources[i].resource_size);
281 resource_provider_->SetPixels(plane_resources[i].resource_id,
287 RecycleResourceData recycle_data = {
288 plane_resources[i].resource_id,
289 plane_resources[i].resource_size,
290 plane_resources[i].resource_format,
291 plane_resources[i].mailbox
294 external_resources.mailboxes.push_back(
295 TextureMailbox(plane_resources[i].mailbox, GL_TEXTURE_2D, 0));
296 external_resources.release_callbacks.push_back(
297 base::Bind(&RecycleResource, AsWeakPtr(), recycle_data));
300 external_resources.type = VideoFrameExternalResources::YUV_RESOURCE;
301 return external_resources;
305 void VideoResourceUpdater::ReturnTexture(
306 base::WeakPtr<VideoResourceUpdater> updater,
307 const scoped_refptr<media::VideoFrame>& video_frame,
309 bool lost_resource) {
310 // TODO(dshwang) this case should be forwarded to the decoder as lost
312 if (lost_resource || !updater.get())
314 // VideoFrame::UpdateReleaseSyncPoint() creates new sync point using the same
315 // GL context which created the given |sync_point|, so discard the
317 SyncPointClientImpl client(updater->context_provider_->ContextGL());
318 video_frame->UpdateReleaseSyncPoint(&client);
321 VideoFrameExternalResources VideoResourceUpdater::CreateForHardwarePlanes(
322 const scoped_refptr<media::VideoFrame>& video_frame) {
323 TRACE_EVENT0("cc", "VideoResourceUpdater::CreateForHardwarePlanes");
324 media::VideoFrame::Format frame_format = video_frame->format();
326 DCHECK_EQ(frame_format, media::VideoFrame::NATIVE_TEXTURE);
327 if (frame_format != media::VideoFrame::NATIVE_TEXTURE)
328 return VideoFrameExternalResources();
330 if (!context_provider_)
331 return VideoFrameExternalResources();
333 const gpu::MailboxHolder* mailbox_holder = video_frame->mailbox_holder();
334 VideoFrameExternalResources external_resources;
335 switch (mailbox_holder->texture_target) {
337 external_resources.type = VideoFrameExternalResources::RGB_RESOURCE;
339 case GL_TEXTURE_EXTERNAL_OES:
340 external_resources.type =
341 VideoFrameExternalResources::STREAM_TEXTURE_RESOURCE;
343 case GL_TEXTURE_RECTANGLE_ARB:
344 external_resources.type = VideoFrameExternalResources::IO_SURFACE;
348 return VideoFrameExternalResources();
351 external_resources.mailboxes.push_back(
352 TextureMailbox(mailbox_holder->mailbox,
353 mailbox_holder->texture_target,
354 mailbox_holder->sync_point));
355 external_resources.release_callbacks.push_back(
356 base::Bind(&ReturnTexture, AsWeakPtr(), video_frame));
357 return external_resources;
361 void VideoResourceUpdater::RecycleResource(
362 base::WeakPtr<VideoResourceUpdater> updater,
363 RecycleResourceData data,
365 bool lost_resource) {
366 if (!updater.get()) {
367 // Resource was already deleted.
371 ContextProvider* context_provider = updater->context_provider_;
372 if (context_provider && sync_point) {
373 GLC(context_provider->ContextGL(),
374 context_provider->ContextGL()->WaitSyncPointCHROMIUM(sync_point));
378 updater->DeleteResource(data.resource_id);
382 // Drop recycled resources that are the wrong format.
383 while (!updater->recycled_resources_.empty() &&
384 updater->recycled_resources_.back().resource_format !=
385 data.resource_format) {
386 updater->DeleteResource(updater->recycled_resources_.back().resource_id);
387 updater->recycled_resources_.pop_back();
390 PlaneResource recycled_resource(data.resource_id,
392 data.resource_format,
394 updater->recycled_resources_.push_back(recycled_resource);