| // Copyright 2015 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 "media/gpu/avda_shared_state.h" |
| |
| #include "base/time/time.h" |
| #include "media/gpu/avda_codec_image.h" |
| #include "ui/gl/gl_bindings.h" |
| #include "ui/gl/scoped_make_current.h" |
| |
| namespace media { |
| |
| AVDASharedState::AVDASharedState() |
| : surface_texture_service_id_(0), |
| frame_available_event_(false, false), |
| surface_texture_is_attached_(false) {} |
| |
| AVDASharedState::~AVDASharedState() {} |
| |
| void AVDASharedState::SignalFrameAvailable() { |
| frame_available_event_.Signal(); |
| } |
| |
| void AVDASharedState::WaitForFrameAvailable() { |
| // 10msec covers >99.9% of cases, so just wait for up to that much before |
| // giving up. If an error occurs, we might not ever get a notification. |
| const base::TimeDelta max_wait_time(base::TimeDelta::FromMilliseconds(10)); |
| frame_available_event_.TimedWait(max_wait_time); |
| } |
| |
| void AVDASharedState::DidAttachSurfaceTexture() { |
| context_ = gfx::GLContext::GetCurrent(); |
| surface_ = gfx::GLSurface::GetCurrent(); |
| DCHECK(context_); |
| DCHECK(surface_); |
| |
| surface_texture_is_attached_ = true; |
| } |
| |
| void AVDASharedState::DidDetachSurfaceTexture() { |
| context_ = nullptr; |
| surface_ = nullptr; |
| surface_texture_is_attached_ = false; |
| } |
| |
| void AVDASharedState::CodecChanged(media::MediaCodecBridge* codec) { |
| for (auto& image_kv : codec_images_) |
| image_kv.second->CodecChanged(codec); |
| } |
| |
| void AVDASharedState::SetImageForPicture(int picture_buffer_id, |
| AVDACodecImage* image) { |
| if (!image) { |
| DCHECK(codec_images_.find(picture_buffer_id) != codec_images_.end()); |
| codec_images_.erase(picture_buffer_id); |
| return; |
| } |
| |
| DCHECK(codec_images_.find(picture_buffer_id) == codec_images_.end()); |
| codec_images_[picture_buffer_id] = image; |
| } |
| |
| AVDACodecImage* AVDASharedState::GetImageForPicture( |
| int picture_buffer_id) const { |
| auto it = codec_images_.find(picture_buffer_id); |
| return it == codec_images_.end() ? nullptr : it->second; |
| } |
| |
| } // namespace media |