andrew@webrtc.org | b015cbe | 2012-10-22 18:19:23 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
| 3 | * |
| 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 |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
| 9 | */ |
| 10 | |
| 11 | #ifndef WEBRTC_VIDEO_ENGINE_VIE_ENCODER_H_ |
| 12 | #define WEBRTC_VIDEO_ENGINE_VIE_ENCODER_H_ |
| 13 | |
mflodman@webrtc.org | b6d9cfc | 2012-10-25 11:30:29 +0000 | [diff] [blame] | 14 | #include <list> |
| 15 | #include <map> |
| 16 | |
andrew@webrtc.org | b015cbe | 2012-10-22 18:19:23 +0000 | [diff] [blame] | 17 | #include "common_types.h" // NOLINT |
| 18 | #include "typedefs.h" //NOLINT |
| 19 | #include "modules/bitrate_controller/include/bitrate_controller.h" |
| 20 | #include "modules/rtp_rtcp/interface/rtp_rtcp_defines.h" |
| 21 | #include "modules/video_coding/main/interface/video_coding_defines.h" |
| 22 | #include "modules/video_processing/main/interface/video_processing.h" |
| 23 | #include "system_wrappers/interface/scoped_ptr.h" |
| 24 | #include "video_engine/vie_defines.h" |
| 25 | #include "video_engine/vie_file_recorder.h" |
| 26 | #include "video_engine/vie_frame_provider_base.h" |
| 27 | |
| 28 | namespace webrtc { |
| 29 | |
| 30 | class CriticalSectionWrapper; |
| 31 | class ProcessThread; |
| 32 | class QMVideoSettingsCallback; |
| 33 | class RtpRtcp; |
| 34 | class VideoCodingModule; |
| 35 | class ViEBitrateObserver; |
| 36 | class ViEEffectFilter; |
| 37 | class ViEEncoderObserver; |
| 38 | |
| 39 | class ViEEncoder |
| 40 | : public RtcpIntraFrameObserver, |
| 41 | public VCMPacketizationCallback, |
| 42 | public VCMProtectionCallback, |
| 43 | public VCMSendStatisticsCallback, |
| 44 | public ViEFrameCallback { |
| 45 | public: |
| 46 | friend class ViEBitrateObserver; |
| 47 | |
| 48 | ViEEncoder(WebRtc_Word32 engine_id, |
| 49 | WebRtc_Word32 channel_id, |
| 50 | WebRtc_UWord32 number_of_cores, |
| 51 | ProcessThread& module_process_thread, |
| 52 | BitrateController* bitrate_controller); |
| 53 | ~ViEEncoder(); |
| 54 | |
| 55 | bool Init(); |
| 56 | |
| 57 | // Returns the id of the owning channel. |
| 58 | int Owner() const; |
| 59 | |
| 60 | // Drops incoming packets before they get to the encoder. |
| 61 | void Pause(); |
| 62 | void Restart(); |
| 63 | |
| 64 | WebRtc_Word32 DropDeltaAfterKey(bool enable); |
| 65 | |
| 66 | // Codec settings. |
| 67 | WebRtc_UWord8 NumberOfCodecs(); |
| 68 | WebRtc_Word32 GetCodec(WebRtc_UWord8 list_index, VideoCodec* video_codec); |
| 69 | WebRtc_Word32 RegisterExternalEncoder(VideoEncoder* encoder, |
| 70 | WebRtc_UWord8 pl_type); |
| 71 | WebRtc_Word32 DeRegisterExternalEncoder(WebRtc_UWord8 pl_type); |
| 72 | WebRtc_Word32 SetEncoder(const VideoCodec& video_codec); |
| 73 | WebRtc_Word32 GetEncoder(VideoCodec* video_codec); |
| 74 | |
| 75 | WebRtc_Word32 GetCodecConfigParameters( |
| 76 | unsigned char config_parameters[kConfigParameterSize], |
| 77 | unsigned char& config_parameters_size); |
| 78 | |
| 79 | // Scale or crop/pad image. |
| 80 | WebRtc_Word32 ScaleInputImage(bool enable); |
| 81 | |
| 82 | // RTP settings. |
| 83 | RtpRtcp* SendRtpRtcpModule(); |
| 84 | |
| 85 | // Implementing ViEFrameCallback. |
| 86 | virtual void DeliverFrame(int id, |
mikhal@webrtc.org | 3bbed74 | 2012-10-24 18:33:04 +0000 | [diff] [blame] | 87 | I420VideoFrame* video_frame, |
andrew@webrtc.org | b015cbe | 2012-10-22 18:19:23 +0000 | [diff] [blame] | 88 | int num_csrcs = 0, |
| 89 | const WebRtc_UWord32 CSRC[kRtpCsrcSize] = NULL); |
| 90 | virtual void DelayChanged(int id, int frame_delay); |
| 91 | virtual int GetPreferedFrameSettings(int* width, |
| 92 | int* height, |
| 93 | int* frame_rate); |
| 94 | |
| 95 | virtual void ProviderDestroyed(int id) { |
| 96 | return; |
| 97 | } |
| 98 | |
| 99 | WebRtc_Word32 SendKeyFrame(); |
| 100 | WebRtc_Word32 SendCodecStatistics(WebRtc_UWord32* num_key_frames, |
| 101 | WebRtc_UWord32* num_delta_frames); |
| 102 | |
| 103 | WebRtc_Word32 EstimatedSendBandwidth( |
| 104 | WebRtc_UWord32* available_bandwidth) const; |
| 105 | |
| 106 | int CodecTargetBitrate(WebRtc_UWord32* bitrate) const; |
| 107 | // Loss protection. |
| 108 | WebRtc_Word32 UpdateProtectionMethod(); |
| 109 | |
| 110 | // Implements VCMPacketizationCallback. |
| 111 | virtual WebRtc_Word32 SendData( |
| 112 | FrameType frame_type, |
| 113 | WebRtc_UWord8 payload_type, |
| 114 | WebRtc_UWord32 time_stamp, |
| 115 | int64_t capture_time_ms, |
| 116 | const WebRtc_UWord8* payload_data, |
| 117 | WebRtc_UWord32 payload_size, |
| 118 | const RTPFragmentationHeader& fragmentation_header, |
| 119 | const RTPVideoHeader* rtp_video_hdr); |
| 120 | |
| 121 | // Implements VideoProtectionCallback. |
| 122 | virtual int ProtectionRequest( |
| 123 | const FecProtectionParams* delta_fec_params, |
| 124 | const FecProtectionParams* key_fec_params, |
| 125 | WebRtc_UWord32* sent_video_rate_bps, |
| 126 | WebRtc_UWord32* sent_nack_rate_bps, |
| 127 | WebRtc_UWord32* sent_fec_rate_bps); |
| 128 | |
| 129 | // Implements VideoSendStatisticsCallback. |
| 130 | virtual WebRtc_Word32 SendStatistics(const WebRtc_UWord32 bit_rate, |
| 131 | const WebRtc_UWord32 frame_rate); |
| 132 | WebRtc_Word32 RegisterCodecObserver(ViEEncoderObserver* observer); |
| 133 | |
| 134 | // Implements RtcpIntraFrameObserver. |
| 135 | virtual void OnReceivedIntraFrameRequest(uint32_t ssrc); |
| 136 | virtual void OnReceivedSLI(uint32_t ssrc, uint8_t picture_id); |
| 137 | virtual void OnReceivedRPSI(uint32_t ssrc, uint64_t picture_id); |
| 138 | virtual void OnLocalSsrcChanged(uint32_t old_ssrc, uint32_t new_ssrc); |
| 139 | |
mflodman@webrtc.org | b6d9cfc | 2012-10-25 11:30:29 +0000 | [diff] [blame] | 140 | // Sets SSRCs for all streams. |
| 141 | bool SetSsrcs(const std::list<unsigned int>& ssrcs); |
| 142 | |
andrew@webrtc.org | b015cbe | 2012-10-22 18:19:23 +0000 | [diff] [blame] | 143 | // Effect filter. |
| 144 | WebRtc_Word32 RegisterEffectFilter(ViEEffectFilter* effect_filter); |
| 145 | |
| 146 | // Recording. |
| 147 | ViEFileRecorder& GetOutgoingFileRecorder(); |
| 148 | |
| 149 | // Enables recording of debugging information. |
| 150 | virtual int StartDebugRecording(const char* fileNameUTF8); |
| 151 | |
| 152 | // Disables recording of debugging information. |
| 153 | virtual int StopDebugRecording(); |
| 154 | |
mflodman@webrtc.org | ff9854b | 2012-10-25 13:06:22 +0000 | [diff] [blame^] | 155 | int channel_id() const { return channel_id_; } |
andrew@webrtc.org | b015cbe | 2012-10-22 18:19:23 +0000 | [diff] [blame] | 156 | protected: |
| 157 | // Called by BitrateObserver. |
| 158 | void OnNetworkChanged(const uint32_t bitrate_bps, |
| 159 | const uint8_t fraction_lost, |
| 160 | const uint32_t round_trip_time_ms); |
| 161 | |
| 162 | private: |
| 163 | WebRtc_Word32 engine_id_; |
| 164 | const int channel_id_; |
| 165 | const WebRtc_UWord32 number_of_cores_; |
| 166 | |
| 167 | VideoCodingModule& vcm_; |
| 168 | VideoProcessingModule& vpm_; |
| 169 | scoped_ptr<RtpRtcp> default_rtp_rtcp_; |
| 170 | scoped_ptr<CriticalSectionWrapper> callback_cs_; |
| 171 | scoped_ptr<CriticalSectionWrapper> data_cs_; |
| 172 | scoped_ptr<BitrateObserver> bitrate_observer_; |
| 173 | |
| 174 | BitrateController* bitrate_controller_; |
| 175 | |
| 176 | bool paused_; |
mflodman@webrtc.org | b6d9cfc | 2012-10-25 11:30:29 +0000 | [diff] [blame] | 177 | std::map<unsigned int, int64_t> time_last_intra_request_ms_; |
andrew@webrtc.org | b015cbe | 2012-10-22 18:19:23 +0000 | [diff] [blame] | 178 | WebRtc_Word32 channels_dropping_delta_frames_; |
| 179 | bool drop_next_frame_; |
| 180 | |
| 181 | bool fec_enabled_; |
| 182 | bool nack_enabled_; |
| 183 | |
| 184 | ViEEncoderObserver* codec_observer_; |
| 185 | ViEEffectFilter* effect_filter_; |
| 186 | ProcessThread& module_process_thread_; |
| 187 | |
| 188 | bool has_received_sli_; |
| 189 | WebRtc_UWord8 picture_id_sli_; |
| 190 | bool has_received_rpsi_; |
| 191 | WebRtc_UWord64 picture_id_rpsi_; |
mflodman@webrtc.org | b6d9cfc | 2012-10-25 11:30:29 +0000 | [diff] [blame] | 192 | std::map<unsigned int, int> ssrc_streams_; |
andrew@webrtc.org | b015cbe | 2012-10-22 18:19:23 +0000 | [diff] [blame] | 193 | |
| 194 | ViEFileRecorder file_recorder_; |
| 195 | |
| 196 | // Quality modes callback |
| 197 | QMVideoSettingsCallback* qm_callback_; |
| 198 | }; |
| 199 | |
| 200 | } // namespace webrtc |
| 201 | |
| 202 | #endif // WEBRTC_VIDEO_ENGINE_VIE_ENCODER_H_ |