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| 1 // Copyright 2015 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. | |
| 4 | |
| 5 #include "content/common/gpu/media/avda_shared_state.h" | |
| 6 | |
| 7 #include "base/time/time.h" | |
| 8 #include "content/common/gpu/media/avda_codec_image.h" | |
| 9 #include "ui/gl/gl_bindings.h" | |
| 10 #include "ui/gl/scoped_make_current.h" | |
| 11 | |
| 12 namespace content { | |
| 13 | |
| 14 AVDASharedState::AVDASharedState() | |
| 15 : surface_texture_service_id_(0), | |
| 16 frame_available_event_(false, false), | |
| 17 surface_texture_is_attached_(false) {} | |
| 18 | |
| 19 AVDASharedState::~AVDASharedState() {} | |
| 20 | |
| 21 void AVDASharedState::SignalFrameAvailable() { | |
| 22 frame_available_event_.Signal(); | |
| 23 } | |
| 24 | |
| 25 void AVDASharedState::WaitForFrameAvailable() { | |
| 26 // 10msec covers >99.9% of cases, so just wait for up to that much before | |
| 27 // giving up. If an error occurs, we might not ever get a notification. | |
| 28 const base::TimeDelta max_wait_time(base::TimeDelta::FromMilliseconds(10)); | |
| 29 frame_available_event_.TimedWait(max_wait_time); | |
| 30 } | |
| 31 | |
| 32 void AVDASharedState::DidAttachSurfaceTexture() { | |
| 33 context_ = gfx::GLContext::GetCurrent(); | |
| 34 surface_ = gfx::GLSurface::GetCurrent(); | |
| 35 DCHECK(context_); | |
| 36 DCHECK(surface_); | |
| 37 | |
| 38 surface_texture_is_attached_ = true; | |
| 39 } | |
| 40 | |
| 41 void AVDASharedState::DidDetachSurfaceTexture() { | |
| 42 context_ = nullptr; | |
| 43 surface_ = nullptr; | |
| 44 surface_texture_is_attached_ = false; | |
| 45 } | |
| 46 | |
| 47 void AVDASharedState::CodecChanged(media::MediaCodecBridge* codec) { | |
| 48 for (auto& image_kv : codec_images_) | |
| 49 image_kv.second->CodecChanged(codec); | |
| 50 } | |
| 51 | |
| 52 void AVDASharedState::SetImageForPicture(int picture_buffer_id, | |
| 53 AVDACodecImage* image) { | |
| 54 if (!image) { | |
| 55 DCHECK(codec_images_.find(picture_buffer_id) != codec_images_.end()); | |
| 56 codec_images_.erase(picture_buffer_id); | |
| 57 return; | |
| 58 } | |
| 59 | |
| 60 DCHECK(codec_images_.find(picture_buffer_id) == codec_images_.end()); | |
| 61 codec_images_[picture_buffer_id] = image; | |
| 62 } | |
| 63 | |
| 64 AVDACodecImage* AVDASharedState::GetImageForPicture( | |
| 65 int picture_buffer_id) const { | |
| 66 auto it = codec_images_.find(picture_buffer_id); | |
| 67 return it == codec_images_.end() ? nullptr : it->second; | |
| 68 } | |
| 69 | |
| 70 } // namespace content | |
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