| // 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/metrics/histogram_macros.h" |
| #include "base/time/time.h" |
| #include "media/gpu/avda_codec_image.h" |
| #include "ui/gl/android/surface_texture.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_(base::WaitableEvent::ResetPolicy::AUTOMATIC, |
| base::WaitableEvent::InitialState::NOT_SIGNALED) {} |
| |
| AVDASharedState::~AVDASharedState() { |
| if (!surface_texture_service_id_) |
| return; |
| |
| ui::ScopedMakeCurrent scoped_make_current(context_.get(), surface_.get()); |
| if (scoped_make_current.Succeeded()) { |
| glDeleteTextures(1, &surface_texture_service_id_); |
| DCHECK_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); |
| } |
| } |
| |
| void AVDASharedState::SignalFrameAvailable() { |
| frame_available_event_.Signal(); |
| } |
| |
| void AVDASharedState::WaitForFrameAvailable() { |
| DCHECK(!release_time_.is_null()); |
| |
| // 5msec 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 = base::TimeDelta::FromMilliseconds(5); |
| const base::TimeTicks call_time = base::TimeTicks::Now(); |
| const base::TimeDelta elapsed = call_time - release_time_; |
| const base::TimeDelta remaining = max_wait - elapsed; |
| release_time_ = base::TimeTicks(); |
| |
| if (remaining <= base::TimeDelta()) { |
| if (!frame_available_event_.IsSignaled()) { |
| DVLOG(1) << "Deferred WaitForFrameAvailable() timed out, elapsed: " |
| << elapsed.InMillisecondsF() << "ms"; |
| } |
| return; |
| } |
| |
| DCHECK_LE(remaining, max_wait); |
| SCOPED_UMA_HISTOGRAM_TIMER("Media.AvdaCodecImage.WaitTimeForFrame"); |
| if (!frame_available_event_.TimedWait(remaining)) { |
| DVLOG(1) << "WaitForFrameAvailable() timed out, elapsed: " |
| << elapsed.InMillisecondsF() |
| << "ms, additionally waited: " << remaining.InMillisecondsF() |
| << "ms, total: " << (elapsed + remaining).InMillisecondsF() |
| << "ms"; |
| } |
| } |
| |
| void AVDASharedState::SetSurfaceTexture( |
| scoped_refptr<gl::SurfaceTexture> surface_texture, |
| GLuint attached_service_id) { |
| surface_texture_ = surface_texture; |
| surface_texture_service_id_ = attached_service_id; |
| context_ = gl::GLContext::GetCurrent(); |
| surface_ = gl::GLSurface::GetCurrent(); |
| DCHECK(context_); |
| DCHECK(surface_); |
| } |
| |
| void AVDASharedState::CodecChanged(MediaCodecBridge* codec) { |
| for (auto& image_kv : codec_images_) |
| image_kv.second->CodecChanged(codec); |
| release_time_ = base::TimeTicks(); |
| } |
| |
| 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; |
| } |
| |
| void AVDASharedState::RenderCodecBufferToSurfaceTexture( |
| MediaCodecBridge* codec, |
| int codec_buffer_index) { |
| if (!release_time_.is_null()) |
| WaitForFrameAvailable(); |
| codec->ReleaseOutputBuffer(codec_buffer_index, true); |
| release_time_ = base::TimeTicks::Now(); |
| } |
| |
| } // namespace media |