| /* |
| * Copyright (C) 2011 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_PUBLIC_PLATFORM_WEB_MEDIA_STREAM_SOURCE_H_ |
| #define THIRD_PARTY_BLINK_PUBLIC_PLATFORM_WEB_MEDIA_STREAM_SOURCE_H_ |
| |
| #include <memory> |
| |
| #include "third_party/blink/public/platform/web_common.h" |
| #include "third_party/blink/public/platform/web_media_stream_track.h" |
| #include "third_party/blink/public/platform/web_vector.h" |
| |
| #include "third_party/blink/public/platform/web_private_ptr.h" |
| #if INSIDE_BLINK |
| #include "third_party/blink/renderer/platform/heap/handle.h" // nogncheck |
| #endif |
| |
| namespace blink { |
| |
| class MediaStreamSource; |
| class WebAudioDestinationConsumer; |
| class WebPlatformMediaStreamSource; |
| class WebString; |
| |
| class WebMediaStreamSource { |
| public: |
| |
| enum Type { kTypeAudio, kTypeVideo }; |
| |
| enum ReadyState { |
| kReadyStateLive = 0, |
| kReadyStateMuted = 1, |
| kReadyStateEnded = 2 |
| }; |
| |
| enum class EchoCancellationMode { kDisabled, kBrowser, kAec3, kSystem }; |
| |
| struct Capabilities { |
| // WebVector is used to store an optional range for the below numeric |
| // fields. All of them should have 0 or 2 values representing min/max. |
| WebVector<uint32_t> width; |
| WebVector<uint32_t> height; |
| WebVector<double> aspect_ratio; |
| WebVector<double> frame_rate; |
| WebVector<bool> echo_cancellation; |
| WebVector<WebString> echo_cancellation_type; |
| WebVector<bool> auto_gain_control; |
| WebVector<bool> noise_suppression; |
| WebVector<int32_t> sample_size; |
| WebVector<int32_t> channel_count; |
| WebVector<int32_t> sample_rate; |
| WebVector<double> latency; |
| |
| WebMediaStreamTrack::FacingMode facing_mode = |
| WebMediaStreamTrack::FacingMode::kNone; |
| WebString device_id; |
| WebString group_id; |
| }; |
| |
| WebMediaStreamSource() = default; |
| WebMediaStreamSource(const WebMediaStreamSource& other) { Assign(other); } |
| ~WebMediaStreamSource() { Reset(); } |
| |
| WebMediaStreamSource& operator=(const WebMediaStreamSource& other) { |
| Assign(other); |
| return *this; |
| } |
| |
| BLINK_PLATFORM_EXPORT void Assign(const WebMediaStreamSource&); |
| |
| BLINK_PLATFORM_EXPORT void Initialize(const WebString& id, |
| Type, |
| const WebString& name, |
| bool remote); |
| BLINK_PLATFORM_EXPORT void Reset(); |
| bool IsNull() const { return private_.IsNull(); } |
| |
| BLINK_PLATFORM_EXPORT WebString Id() const; |
| BLINK_PLATFORM_EXPORT Type GetType() const; |
| BLINK_PLATFORM_EXPORT WebString GetName() const; |
| BLINK_PLATFORM_EXPORT bool Remote() const; |
| |
| BLINK_PLATFORM_EXPORT void SetGroupId(const WebString& group_id); |
| BLINK_PLATFORM_EXPORT WebString GroupId() const; |
| |
| BLINK_PLATFORM_EXPORT void SetReadyState(ReadyState); |
| BLINK_PLATFORM_EXPORT ReadyState GetReadyState() const; |
| |
| BLINK_PLATFORM_EXPORT WebPlatformMediaStreamSource* GetPlatformSource() const; |
| BLINK_PLATFORM_EXPORT void SetPlatformSource( |
| std::unique_ptr<WebPlatformMediaStreamSource>); |
| |
| BLINK_PLATFORM_EXPORT void SetAudioProcessingProperties( |
| EchoCancellationMode echo_cancellation_mode, |
| bool auto_gain_control, |
| bool noise_supression); |
| |
| BLINK_PLATFORM_EXPORT void SetCapabilities(const Capabilities&); |
| |
| // Only used if if this is a WebAudio source. |
| // The WebAudioDestinationConsumer is not owned, and has to be disposed of |
| // separately after calling removeAudioConsumer. |
| BLINK_PLATFORM_EXPORT bool RequiresAudioConsumer() const; |
| BLINK_PLATFORM_EXPORT void AddAudioConsumer(WebAudioDestinationConsumer*); |
| BLINK_PLATFORM_EXPORT bool RemoveAudioConsumer(WebAudioDestinationConsumer*); |
| |
| #if INSIDE_BLINK |
| BLINK_PLATFORM_EXPORT WebMediaStreamSource(MediaStreamSource*); |
| BLINK_PLATFORM_EXPORT WebMediaStreamSource& operator=(MediaStreamSource*); |
| BLINK_PLATFORM_EXPORT operator scoped_refptr<MediaStreamSource>() const; |
| BLINK_PLATFORM_EXPORT operator MediaStreamSource*() const; |
| #endif |
| |
| private: |
| WebPrivatePtr<MediaStreamSource> private_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_PUBLIC_PLATFORM_WEB_MEDIA_STREAM_SOURCE_H_ |