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1 /* | 1 /* |
2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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40 class VideoEncoder; | 40 class VideoEncoder; |
41 struct MediaConfig; | 41 struct MediaConfig; |
42 } | 42 } |
43 | 43 |
44 namespace rtc { | 44 namespace rtc { |
45 class Thread; | 45 class Thread; |
46 } // namespace rtc | 46 } // namespace rtc |
47 | 47 |
48 namespace cricket { | 48 namespace cricket { |
49 | 49 |
| 50 class EncoderFactoryAdapter; |
50 class VideoCapturer; | 51 class VideoCapturer; |
51 class VideoProcessor; | 52 class VideoProcessor; |
52 class VideoRenderer; | 53 class VideoRenderer; |
53 class VoiceMediaChannel; | 54 class VoiceMediaChannel; |
54 class WebRtcDecoderObserver; | 55 class WebRtcDecoderObserver; |
55 class WebRtcEncoderObserver; | 56 class WebRtcEncoderObserver; |
56 class WebRtcLocalStreamInfo; | 57 class WebRtcLocalStreamInfo; |
57 class WebRtcRenderAdapter; | 58 class WebRtcRenderAdapter; |
58 class WebRtcVideoChannel; | 59 class WebRtcVideoChannel; |
59 class WebRtcVideoChannelRecvInfo; | 60 class WebRtcVideoChannelRecvInfo; |
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114 // Set a WebRtcVideoEncoderFactory for external encoding. Video engine does | 115 // Set a WebRtcVideoEncoderFactory for external encoding. Video engine does |
115 // not take the ownership of |encoder_factory|. The caller needs to make sure | 116 // not take the ownership of |encoder_factory|. The caller needs to make sure |
116 // that |encoder_factory| outlives the video engine. | 117 // that |encoder_factory| outlives the video engine. |
117 virtual void SetExternalEncoderFactory( | 118 virtual void SetExternalEncoderFactory( |
118 WebRtcVideoEncoderFactory* encoder_factory); | 119 WebRtcVideoEncoderFactory* encoder_factory); |
119 | 120 |
120 private: | 121 private: |
121 bool initialized_; | 122 bool initialized_; |
122 | 123 |
123 WebRtcVideoDecoderFactory* external_decoder_factory_; | 124 WebRtcVideoDecoderFactory* external_decoder_factory_; |
124 WebRtcVideoEncoderFactory* external_encoder_factory_; | 125 std::unique_ptr<EncoderFactoryAdapter> encoder_factory_; |
125 }; | 126 }; |
126 | 127 |
127 class WebRtcVideoChannel : public VideoMediaChannel, public webrtc::Transport { | 128 class WebRtcVideoChannel : public VideoMediaChannel, public webrtc::Transport { |
128 public: | 129 public: |
129 WebRtcVideoChannel(webrtc::Call* call, | 130 WebRtcVideoChannel(webrtc::Call* call, |
130 const MediaConfig& config, | 131 const MediaConfig& config, |
131 const VideoOptions& options, | 132 const VideoOptions& options, |
132 WebRtcVideoEncoderFactory* external_encoder_factory, | 133 const EncoderFactoryAdapter& encoder_factory, |
133 WebRtcVideoDecoderFactory* external_decoder_factory); | 134 WebRtcVideoDecoderFactory* external_decoder_factory); |
134 ~WebRtcVideoChannel() override; | 135 ~WebRtcVideoChannel() override; |
135 | 136 |
136 // VideoMediaChannel implementation | 137 // VideoMediaChannel implementation |
137 rtc::DiffServCodePoint PreferredDscp() const override; | 138 rtc::DiffServCodePoint PreferredDscp() const override; |
138 | 139 |
139 bool SetSendParameters(const VideoSendParameters& params) override; | 140 bool SetSendParameters(const VideoSendParameters& params) override; |
140 bool SetRecvParameters(const VideoRecvParameters& params) override; | 141 bool SetRecvParameters(const VideoRecvParameters& params) override; |
141 webrtc::RtpParameters GetRtpSendParameters(uint32_t ssrc) const override; | 142 webrtc::RtpParameters GetRtpSendParameters(uint32_t ssrc) const override; |
142 bool SetRtpSendParameters(uint32_t ssrc, | 143 bool SetRtpSendParameters(uint32_t ssrc, |
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251 | 252 |
252 // Wrapper for the sender part. | 253 // Wrapper for the sender part. |
253 class WebRtcVideoSendStream | 254 class WebRtcVideoSendStream |
254 : public rtc::VideoSourceInterface<webrtc::VideoFrame> { | 255 : public rtc::VideoSourceInterface<webrtc::VideoFrame> { |
255 public: | 256 public: |
256 WebRtcVideoSendStream( | 257 WebRtcVideoSendStream( |
257 webrtc::Call* call, | 258 webrtc::Call* call, |
258 const StreamParams& sp, | 259 const StreamParams& sp, |
259 webrtc::VideoSendStream::Config config, | 260 webrtc::VideoSendStream::Config config, |
260 const VideoOptions& options, | 261 const VideoOptions& options, |
261 WebRtcVideoEncoderFactory* external_encoder_factory, | 262 const EncoderFactoryAdapter& encoder_factory, |
262 bool enable_cpu_overuse_detection, | 263 bool enable_cpu_overuse_detection, |
263 int max_bitrate_bps, | 264 int max_bitrate_bps, |
264 const rtc::Optional<VideoCodecSettings>& codec_settings, | 265 const rtc::Optional<VideoCodecSettings>& codec_settings, |
265 const rtc::Optional<std::vector<webrtc::RtpExtension>>& rtp_extensions, | 266 const rtc::Optional<std::vector<webrtc::RtpExtension>>& rtp_extensions, |
266 const VideoSendParameters& send_params); | 267 const VideoSendParameters& send_params); |
267 virtual ~WebRtcVideoSendStream(); | 268 virtual ~WebRtcVideoSendStream(); |
268 | 269 |
269 void SetSendParameters(const ChangedSendParameters& send_params); | 270 void SetSendParameters(const ChangedSendParameters& send_params); |
270 bool SetRtpParameters(const webrtc::RtpParameters& parameters); | 271 bool SetRtpParameters(const webrtc::RtpParameters& parameters); |
271 webrtc::RtpParameters GetRtpParameters() const; | 272 webrtc::RtpParameters GetRtpParameters() const; |
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303 VideoOptions options; | 304 VideoOptions options; |
304 int max_bitrate_bps; | 305 int max_bitrate_bps; |
305 bool conference_mode; | 306 bool conference_mode; |
306 rtc::Optional<VideoCodecSettings> codec_settings; | 307 rtc::Optional<VideoCodecSettings> codec_settings; |
307 // Sent resolutions + bitrates etc. by the underlying VideoSendStream, | 308 // Sent resolutions + bitrates etc. by the underlying VideoSendStream, |
308 // typically changes when setting a new resolution or reconfiguring | 309 // typically changes when setting a new resolution or reconfiguring |
309 // bitrates. | 310 // bitrates. |
310 webrtc::VideoEncoderConfig encoder_config; | 311 webrtc::VideoEncoderConfig encoder_config; |
311 }; | 312 }; |
312 | 313 |
313 class AllocatedEncoder { | |
314 public: | |
315 AllocatedEncoder() = default; | |
316 AllocatedEncoder(AllocatedEncoder&&) = default; | |
317 AllocatedEncoder& operator=(AllocatedEncoder&&) = default; | |
318 | |
319 AllocatedEncoder(std::unique_ptr<webrtc::VideoEncoder> encoder, | |
320 bool is_external, | |
321 const cricket::VideoCodec& codec, | |
322 bool has_internal_source); | |
323 | |
324 // Returns a raw pointer to the allocated encoder. This object still has | |
325 // ownership of the encoder and is responsible for deleting it. | |
326 webrtc::VideoEncoder* encoder() { return encoder_.get(); } | |
327 | |
328 // Returns true if the encoder is external. | |
329 bool IsExternal() { return is_external_; } | |
330 | |
331 cricket::VideoCodec codec() { return codec_; } | |
332 | |
333 bool HasInternalSource() { return has_internal_source_; } | |
334 | |
335 // Release the encoders this object manages. | |
336 void Reset(); | |
337 | |
338 private: | |
339 std::unique_ptr<webrtc::VideoEncoder> encoder_; | |
340 bool is_external_; | |
341 cricket::VideoCodec codec_; | |
342 bool has_internal_source_; | |
343 }; | |
344 | |
345 rtc::scoped_refptr<webrtc::VideoEncoderConfig::EncoderSpecificSettings> | 314 rtc::scoped_refptr<webrtc::VideoEncoderConfig::EncoderSpecificSettings> |
346 ConfigureVideoEncoderSettings(const VideoCodec& codec); | 315 ConfigureVideoEncoderSettings(const VideoCodec& codec); |
347 // Creates and returns a new AllocatedEncoder of the specified codec type. | |
348 AllocatedEncoder CreateVideoEncoder(const VideoCodec& codec); | |
349 void SetCodec(const VideoCodecSettings& codec, | 316 void SetCodec(const VideoCodecSettings& codec, |
350 bool force_encoder_allocation); | 317 bool force_encoder_allocation); |
351 void RecreateWebRtcStream(); | 318 void RecreateWebRtcStream(); |
352 webrtc::VideoEncoderConfig CreateVideoEncoderConfig( | 319 webrtc::VideoEncoderConfig CreateVideoEncoderConfig( |
353 const VideoCodec& codec) const; | 320 const VideoCodec& codec) const; |
354 void ReconfigureEncoder(); | 321 void ReconfigureEncoder(); |
355 bool ValidateRtpParameters(const webrtc::RtpParameters& parameters); | 322 bool ValidateRtpParameters(const webrtc::RtpParameters& parameters); |
356 | 323 |
357 // Calls Start or Stop according to whether or not |sending_| is true, | 324 // Calls Start or Stop according to whether or not |sending_| is true, |
358 // and whether or not the encoding in |rtp_parameters_| is active. | 325 // and whether or not the encoding in |rtp_parameters_| is active. |
359 void UpdateSendState(); | 326 void UpdateSendState(); |
360 | 327 |
361 webrtc::VideoSendStream::DegradationPreference GetDegradationPreference() | 328 webrtc::VideoSendStream::DegradationPreference GetDegradationPreference() |
362 const EXCLUSIVE_LOCKS_REQUIRED(&thread_checker_); | 329 const EXCLUSIVE_LOCKS_REQUIRED(&thread_checker_); |
363 | 330 |
364 rtc::ThreadChecker thread_checker_; | 331 rtc::ThreadChecker thread_checker_; |
365 rtc::AsyncInvoker invoker_; | 332 rtc::AsyncInvoker invoker_; |
366 rtc::Thread* worker_thread_; | 333 rtc::Thread* worker_thread_; |
367 const std::vector<uint32_t> ssrcs_ ACCESS_ON(&thread_checker_); | 334 const std::vector<uint32_t> ssrcs_ ACCESS_ON(&thread_checker_); |
368 const std::vector<SsrcGroup> ssrc_groups_ ACCESS_ON(&thread_checker_); | 335 const std::vector<SsrcGroup> ssrc_groups_ ACCESS_ON(&thread_checker_); |
369 webrtc::Call* const call_; | 336 webrtc::Call* const call_; |
370 const bool enable_cpu_overuse_detection_; | 337 const bool enable_cpu_overuse_detection_; |
371 rtc::VideoSourceInterface<webrtc::VideoFrame>* source_ | 338 rtc::VideoSourceInterface<webrtc::VideoFrame>* source_ |
372 ACCESS_ON(&thread_checker_); | 339 ACCESS_ON(&thread_checker_); |
373 WebRtcVideoEncoderFactory* const external_encoder_factory_ | 340 std::unique_ptr<EncoderFactoryAdapter> encoder_factory_ |
374 ACCESS_ON(&thread_checker_); | |
375 const std::unique_ptr<WebRtcVideoEncoderFactory> internal_encoder_factory_ | |
376 ACCESS_ON(&thread_checker_); | 341 ACCESS_ON(&thread_checker_); |
377 | 342 |
378 webrtc::VideoSendStream* stream_ ACCESS_ON(&thread_checker_); | 343 webrtc::VideoSendStream* stream_ ACCESS_ON(&thread_checker_); |
379 rtc::VideoSinkInterface<webrtc::VideoFrame>* encoder_sink_ | 344 rtc::VideoSinkInterface<webrtc::VideoFrame>* encoder_sink_ |
380 ACCESS_ON(&thread_checker_); | 345 ACCESS_ON(&thread_checker_); |
381 // Contains settings that are the same for all streams in the MediaChannel, | 346 // Contains settings that are the same for all streams in the MediaChannel, |
382 // such as codecs, header extensions, and the global bitrate limit for the | 347 // such as codecs, header extensions, and the global bitrate limit for the |
383 // entire channel. | 348 // entire channel. |
384 VideoSendStreamParameters parameters_ ACCESS_ON(&thread_checker_); | 349 VideoSendStreamParameters parameters_ ACCESS_ON(&thread_checker_); |
385 // Contains settings that are unique for each stream, such as max_bitrate. | 350 // Contains settings that are unique for each stream, such as max_bitrate. |
386 // Does *not* contain codecs, however. | 351 // Does *not* contain codecs, however. |
387 // TODO(skvlad): Move ssrcs_ and ssrc_groups_ into rtp_parameters_. | 352 // TODO(skvlad): Move ssrcs_ and ssrc_groups_ into rtp_parameters_. |
388 // TODO(skvlad): Combine parameters_ and rtp_parameters_ once we have only | 353 // TODO(skvlad): Combine parameters_ and rtp_parameters_ once we have only |
389 // one stream per MediaChannel. | 354 // one stream per MediaChannel. |
390 webrtc::RtpParameters rtp_parameters_ ACCESS_ON(&thread_checker_); | 355 webrtc::RtpParameters rtp_parameters_ ACCESS_ON(&thread_checker_); |
391 AllocatedEncoder allocated_encoder_ ACCESS_ON(&thread_checker_); | 356 std::unique_ptr<webrtc::VideoEncoder> allocated_encoder_ |
| 357 ACCESS_ON(&thread_checker_); |
| 358 VideoCodec allocated_codec_ ACCESS_ON(&thread_checker_); |
392 | 359 |
393 bool sending_ ACCESS_ON(&thread_checker_); | 360 bool sending_ ACCESS_ON(&thread_checker_); |
394 }; | 361 }; |
395 | 362 |
396 // Wrapper for the receiver part, contains configs etc. that are needed to | 363 // Wrapper for the receiver part, contains configs etc. that are needed to |
397 // reconstruct the underlying VideoReceiveStream. | 364 // reconstruct the underlying VideoReceiveStream. |
398 class WebRtcVideoReceiveStream | 365 class WebRtcVideoReceiveStream |
399 : public rtc::VideoSinkInterface<webrtc::VideoFrame> { | 366 : public rtc::VideoSinkInterface<webrtc::VideoFrame> { |
400 public: | 367 public: |
401 WebRtcVideoReceiveStream( | 368 WebRtcVideoReceiveStream( |
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522 std::map<uint32_t, WebRtcVideoSendStream*> send_streams_ | 489 std::map<uint32_t, WebRtcVideoSendStream*> send_streams_ |
523 GUARDED_BY(stream_crit_); | 490 GUARDED_BY(stream_crit_); |
524 std::map<uint32_t, WebRtcVideoReceiveStream*> receive_streams_ | 491 std::map<uint32_t, WebRtcVideoReceiveStream*> receive_streams_ |
525 GUARDED_BY(stream_crit_); | 492 GUARDED_BY(stream_crit_); |
526 std::set<uint32_t> send_ssrcs_ GUARDED_BY(stream_crit_); | 493 std::set<uint32_t> send_ssrcs_ GUARDED_BY(stream_crit_); |
527 std::set<uint32_t> receive_ssrcs_ GUARDED_BY(stream_crit_); | 494 std::set<uint32_t> receive_ssrcs_ GUARDED_BY(stream_crit_); |
528 | 495 |
529 rtc::Optional<VideoCodecSettings> send_codec_; | 496 rtc::Optional<VideoCodecSettings> send_codec_; |
530 rtc::Optional<std::vector<webrtc::RtpExtension>> send_rtp_extensions_; | 497 rtc::Optional<std::vector<webrtc::RtpExtension>> send_rtp_extensions_; |
531 | 498 |
532 WebRtcVideoEncoderFactory* const external_encoder_factory_; | 499 std::unique_ptr<EncoderFactoryAdapter> encoder_factory_; |
533 WebRtcVideoDecoderFactory* const external_decoder_factory_; | 500 WebRtcVideoDecoderFactory* const external_decoder_factory_; |
534 std::vector<VideoCodecSettings> recv_codecs_; | 501 std::vector<VideoCodecSettings> recv_codecs_; |
535 std::vector<webrtc::RtpExtension> recv_rtp_extensions_; | 502 std::vector<webrtc::RtpExtension> recv_rtp_extensions_; |
536 // See reason for keeping track of the FlexFEC payload type separately in | 503 // See reason for keeping track of the FlexFEC payload type separately in |
537 // comment in WebRtcVideoChannel::ChangedRecvParameters. | 504 // comment in WebRtcVideoChannel::ChangedRecvParameters. |
538 int recv_flexfec_payload_type_; | 505 int recv_flexfec_payload_type_; |
539 webrtc::Call::Config::BitrateConfig bitrate_config_; | 506 webrtc::Call::Config::BitrateConfig bitrate_config_; |
540 // TODO(deadbeef): Don't duplicate information between | 507 // TODO(deadbeef): Don't duplicate information between |
541 // send_params/recv_params, rtp_extensions, options, etc. | 508 // send_params/recv_params, rtp_extensions, options, etc. |
542 VideoSendParameters send_params_; | 509 VideoSendParameters send_params_; |
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563 const std::string codec_name_; | 530 const std::string codec_name_; |
564 const int max_qp_; | 531 const int max_qp_; |
565 const int max_framerate_; | 532 const int max_framerate_; |
566 const bool is_screencast_; | 533 const bool is_screencast_; |
567 const bool conference_mode_; | 534 const bool conference_mode_; |
568 }; | 535 }; |
569 | 536 |
570 } // namespace cricket | 537 } // namespace cricket |
571 | 538 |
572 #endif // WEBRTC_MEDIA_ENGINE_WEBRTCVIDEOENGINE_H_ | 539 #endif // WEBRTC_MEDIA_ENGINE_WEBRTCVIDEOENGINE_H_ |
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