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| 1 /* | 1 /* |
| 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 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 |
| 11 #include "webrtc/modules/video_coding/generic_encoder.h" | 11 #include "webrtc/modules/video_coding/generic_encoder.h" |
| 12 | 12 |
| 13 #include <vector> | 13 #include <vector> |
| 14 | 14 |
| 15 #include "webrtc/base/checks.h" | 15 #include "webrtc/base/checks.h" |
| 16 #include "webrtc/base/logging.h" | 16 #include "webrtc/base/logging.h" |
| 17 #include "webrtc/base/trace_event.h" | 17 #include "webrtc/base/trace_event.h" |
| 18 #include "webrtc/engine_configurations.h" | 18 #include "webrtc/engine_configurations.h" |
| 19 #include "webrtc/modules/video_coding/encoded_frame.h" | 19 #include "webrtc/modules/video_coding/encoded_frame.h" |
| 20 #include "webrtc/modules/video_coding/media_optimization.h" | 20 #include "webrtc/modules/video_coding/media_optimization.h" |
| 21 #include "webrtc/system_wrappers/include/critical_section_wrapper.h" | 21 #include "webrtc/system_wrappers/include/critical_section_wrapper.h" |
| 22 | 22 |
| 23 namespace webrtc { | 23 namespace webrtc { |
| 24 namespace { | |
| 25 // Map information from info into rtp. If no relevant information is found | |
| 26 // in info, rtp is set to NULL. | |
| 27 void CopyCodecSpecific(const CodecSpecificInfo* info, RTPVideoHeader* rtp) { | |
| 28 RTC_DCHECK(info); | |
| 29 switch (info->codecType) { | |
| 30 case kVideoCodecVP8: { | |
| 31 rtp->codec = kRtpVideoVp8; | |
| 32 rtp->codecHeader.VP8.InitRTPVideoHeaderVP8(); | |
| 33 rtp->codecHeader.VP8.pictureId = info->codecSpecific.VP8.pictureId; | |
| 34 rtp->codecHeader.VP8.nonReference = info->codecSpecific.VP8.nonReference; | |
| 35 rtp->codecHeader.VP8.temporalIdx = info->codecSpecific.VP8.temporalIdx; | |
| 36 rtp->codecHeader.VP8.layerSync = info->codecSpecific.VP8.layerSync; | |
| 37 rtp->codecHeader.VP8.tl0PicIdx = info->codecSpecific.VP8.tl0PicIdx; | |
| 38 rtp->codecHeader.VP8.keyIdx = info->codecSpecific.VP8.keyIdx; | |
| 39 rtp->simulcastIdx = info->codecSpecific.VP8.simulcastIdx; | |
| 40 return; | |
| 41 } | |
| 42 case kVideoCodecVP9: { | |
| 43 rtp->codec = kRtpVideoVp9; | |
| 44 rtp->codecHeader.VP9.InitRTPVideoHeaderVP9(); | |
| 45 rtp->codecHeader.VP9.inter_pic_predicted = | |
| 46 info->codecSpecific.VP9.inter_pic_predicted; | |
| 47 rtp->codecHeader.VP9.flexible_mode = | |
| 48 info->codecSpecific.VP9.flexible_mode; | |
| 49 rtp->codecHeader.VP9.ss_data_available = | |
| 50 info->codecSpecific.VP9.ss_data_available; | |
| 51 rtp->codecHeader.VP9.picture_id = info->codecSpecific.VP9.picture_id; | |
| 52 rtp->codecHeader.VP9.tl0_pic_idx = info->codecSpecific.VP9.tl0_pic_idx; | |
| 53 rtp->codecHeader.VP9.temporal_idx = info->codecSpecific.VP9.temporal_idx; | |
| 54 rtp->codecHeader.VP9.spatial_idx = info->codecSpecific.VP9.spatial_idx; | |
| 55 rtp->codecHeader.VP9.temporal_up_switch = | |
| 56 info->codecSpecific.VP9.temporal_up_switch; | |
| 57 rtp->codecHeader.VP9.inter_layer_predicted = | |
| 58 info->codecSpecific.VP9.inter_layer_predicted; | |
| 59 rtp->codecHeader.VP9.gof_idx = info->codecSpecific.VP9.gof_idx; | |
| 60 rtp->codecHeader.VP9.num_spatial_layers = | |
| 61 info->codecSpecific.VP9.num_spatial_layers; | |
| 62 | |
| 63 if (info->codecSpecific.VP9.ss_data_available) { | |
| 64 rtp->codecHeader.VP9.spatial_layer_resolution_present = | |
| 65 info->codecSpecific.VP9.spatial_layer_resolution_present; | |
| 66 if (info->codecSpecific.VP9.spatial_layer_resolution_present) { | |
| 67 for (size_t i = 0; i < info->codecSpecific.VP9.num_spatial_layers; | |
| 68 ++i) { | |
| 69 rtp->codecHeader.VP9.width[i] = info->codecSpecific.VP9.width[i]; | |
| 70 rtp->codecHeader.VP9.height[i] = info->codecSpecific.VP9.height[i]; | |
| 71 } | |
| 72 } | |
| 73 rtp->codecHeader.VP9.gof.CopyGofInfoVP9(info->codecSpecific.VP9.gof); | |
| 74 } | |
| 75 | |
| 76 rtp->codecHeader.VP9.num_ref_pics = info->codecSpecific.VP9.num_ref_pics; | |
| 77 for (int i = 0; i < info->codecSpecific.VP9.num_ref_pics; ++i) | |
| 78 rtp->codecHeader.VP9.pid_diff[i] = info->codecSpecific.VP9.p_diff[i]; | |
| 79 return; | |
| 80 } | |
| 81 case kVideoCodecH264: | |
| 82 rtp->codec = kRtpVideoH264; | |
| 83 return; | |
| 84 case kVideoCodecGeneric: | |
| 85 rtp->codec = kRtpVideoGeneric; | |
| 86 rtp->simulcastIdx = info->codecSpecific.generic.simulcast_idx; | |
| 87 return; | |
| 88 default: | |
| 89 return; | |
| 90 } | |
| 91 } | |
| 92 } // namespace | |
| 93 | |
| 94 VCMGenericEncoder::VCMGenericEncoder( | 24 VCMGenericEncoder::VCMGenericEncoder( |
| 95 VideoEncoder* encoder, | 25 VideoEncoder* encoder, |
| 96 VideoEncoderRateObserver* rate_observer, | 26 VideoEncoderRateObserver* rate_observer, |
| 97 VCMEncodedFrameCallback* encoded_frame_callback, | 27 VCMEncodedFrameCallback* encoded_frame_callback, |
| 98 bool internal_source) | 28 bool internal_source) |
| 99 : encoder_(encoder), | 29 : encoder_(encoder), |
| 100 rate_observer_(rate_observer), | 30 rate_observer_(rate_observer), |
| 101 vcm_encoded_frame_callback_(encoded_frame_callback), | 31 vcm_encoded_frame_callback_(encoded_frame_callback), |
| 102 internal_source_(internal_source), | 32 internal_source_(internal_source), |
| 103 encoder_params_({0, 0, 0, 0}), | 33 encoder_params_({0, 0, 0, 0}), |
| (...skipping 105 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 209 } | 139 } |
| 210 | 140 |
| 211 int VCMGenericEncoder::GetTargetFramerate() { | 141 int VCMGenericEncoder::GetTargetFramerate() { |
| 212 return encoder_->GetTargetFramerate(); | 142 return encoder_->GetTargetFramerate(); |
| 213 } | 143 } |
| 214 | 144 |
| 215 VCMEncodedFrameCallback::VCMEncodedFrameCallback( | 145 VCMEncodedFrameCallback::VCMEncodedFrameCallback( |
| 216 EncodedImageCallback* post_encode_callback) | 146 EncodedImageCallback* post_encode_callback) |
| 217 : send_callback_(), | 147 : send_callback_(), |
| 218 media_opt_(nullptr), | 148 media_opt_(nullptr), |
| 219 payload_type_(0), | |
| 220 internal_source_(false), | 149 internal_source_(false), |
| 221 post_encode_callback_(post_encode_callback) {} | 150 post_encode_callback_(post_encode_callback) {} |
| 222 | 151 |
| 223 VCMEncodedFrameCallback::~VCMEncodedFrameCallback() {} | 152 VCMEncodedFrameCallback::~VCMEncodedFrameCallback() {} |
| 224 | 153 |
| 225 int32_t VCMEncodedFrameCallback::SetTransportCallback( | 154 int32_t VCMEncodedFrameCallback::SetTransportCallback( |
| 226 VCMPacketizationCallback* transport) { | 155 VCMPacketizationCallback* transport) { |
| 227 send_callback_ = transport; | 156 send_callback_ = transport; |
| 228 return VCM_OK; | 157 return VCM_OK; |
| 229 } | 158 } |
| 230 | 159 |
| 231 int32_t VCMEncodedFrameCallback::Encoded( | 160 int32_t VCMEncodedFrameCallback::Encoded( |
| 232 const EncodedImage& encoded_image, | 161 const EncodedImage& encoded_image, |
| 233 const CodecSpecificInfo* codec_specific, | 162 const CodecSpecificInfo* codec_specific, |
| 234 const RTPFragmentationHeader* fragmentation_header) { | 163 const RTPFragmentationHeader* fragmentation_header) { |
| 235 TRACE_EVENT_INSTANT1("webrtc", "VCMEncodedFrameCallback::Encoded", | 164 TRACE_EVENT_INSTANT1("webrtc", "VCMEncodedFrameCallback::Encoded", |
| 236 "timestamp", encoded_image._timeStamp); | 165 "timestamp", encoded_image._timeStamp); |
| 237 post_encode_callback_->Encoded(encoded_image, nullptr, nullptr); | 166 int ret_val = post_encode_callback_->Encoded(encoded_image, codec_specific, |
| 238 | 167 fragmentation_header); |
| 239 if (send_callback_ == nullptr) | |
| 240 return VCM_UNINITIALIZED; | |
| 241 | |
| 242 RTPVideoHeader rtp_video_header; | |
| 243 memset(&rtp_video_header, 0, sizeof(RTPVideoHeader)); | |
| 244 if (codec_specific) | |
| 245 CopyCodecSpecific(codec_specific, &rtp_video_header); | |
| 246 rtp_video_header.rotation = encoded_image.rotation_; | |
| 247 | |
| 248 int32_t ret_val = send_callback_->SendData( | |
| 249 payload_type_, encoded_image, fragmentation_header, &rtp_video_header); | |
| 250 if (ret_val < 0) | 168 if (ret_val < 0) |
| 251 return ret_val; | 169 return ret_val; |
| 252 | 170 |
| 253 if (media_opt_) { | 171 if (media_opt_) { |
| 254 media_opt_->UpdateWithEncodedData(encoded_image); | 172 media_opt_->UpdateWithEncodedData(encoded_image); |
| 255 if (internal_source_) | 173 if (internal_source_) |
| 256 return media_opt_->DropFrame(); // Signal to encoder to drop next frame. | 174 return media_opt_->DropFrame(); // Signal to encoder to drop next frame. |
| 257 } | 175 } |
| 258 return VCM_OK; | 176 return VCM_OK; |
| 259 } | 177 } |
| 260 | 178 |
| 261 void VCMEncodedFrameCallback::SetMediaOpt( | 179 void VCMEncodedFrameCallback::SetMediaOpt( |
| 262 media_optimization::MediaOptimization* mediaOpt) { | 180 media_optimization::MediaOptimization* mediaOpt) { |
| 263 media_opt_ = mediaOpt; | 181 media_opt_ = mediaOpt; |
| 264 } | 182 } |
| 265 | 183 |
| 266 void VCMEncodedFrameCallback::SignalLastEncoderImplementationUsed( | 184 void VCMEncodedFrameCallback::SignalLastEncoderImplementationUsed( |
| 267 const char* implementation_name) { | 185 const char* implementation_name) { |
| 268 if (send_callback_) | 186 if (send_callback_) |
| 269 send_callback_->OnEncoderImplementationName(implementation_name); | 187 send_callback_->OnEncoderImplementationName(implementation_name); |
| 270 } | 188 } |
| 271 } // namespace webrtc | 189 } // namespace webrtc |
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