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 | #include "video_engine/vie_codec_impl.h" |
| 12 | |
mflodman@webrtc.org | b6d9cfc | 2012-10-25 11:30:29 +0000 | [diff] [blame^] | 13 | #include <list> |
| 14 | |
andrew@webrtc.org | b015cbe | 2012-10-22 18:19:23 +0000 | [diff] [blame] | 15 | #include "engine_configurations.h" // NOLINT |
| 16 | #include "modules/video_coding/main/interface/video_coding.h" |
| 17 | #include "system_wrappers/interface/trace.h" |
| 18 | #include "video_engine/include/vie_errors.h" |
| 19 | #include "video_engine/vie_capturer.h" |
| 20 | #include "video_engine/vie_channel.h" |
| 21 | #include "video_engine/vie_channel_manager.h" |
| 22 | #include "video_engine/vie_defines.h" |
| 23 | #include "video_engine/vie_encoder.h" |
| 24 | #include "video_engine/vie_impl.h" |
| 25 | #include "video_engine/vie_input_manager.h" |
| 26 | #include "video_engine/vie_shared_data.h" |
| 27 | |
| 28 | namespace webrtc { |
| 29 | |
| 30 | ViECodec* ViECodec::GetInterface(VideoEngine* video_engine) { |
| 31 | #ifdef WEBRTC_VIDEO_ENGINE_CODEC_API |
| 32 | if (!video_engine) { |
| 33 | return NULL; |
| 34 | } |
| 35 | VideoEngineImpl* vie_impl = reinterpret_cast<VideoEngineImpl*>(video_engine); |
| 36 | ViECodecImpl* vie_codec_impl = vie_impl; |
| 37 | // Increase ref count. |
| 38 | (*vie_codec_impl)++; |
| 39 | return vie_codec_impl; |
| 40 | #else |
| 41 | return NULL; |
| 42 | #endif |
| 43 | } |
| 44 | |
| 45 | int ViECodecImpl::Release() { |
| 46 | WEBRTC_TRACE(kTraceApiCall, kTraceVideo, shared_data_->instance_id(), |
| 47 | "ViECodecImpl::Release()"); |
| 48 | // Decrease ref count. |
| 49 | (*this)--; |
| 50 | |
| 51 | WebRtc_Word32 ref_count = GetCount(); |
| 52 | if (ref_count < 0) { |
| 53 | WEBRTC_TRACE(kTraceWarning, kTraceVideo, shared_data_->instance_id(), |
| 54 | "ViECodec released too many times"); |
| 55 | shared_data_->SetLastError(kViEAPIDoesNotExist); |
| 56 | return -1; |
| 57 | } |
| 58 | WEBRTC_TRACE(kTraceInfo, kTraceVideo, shared_data_->instance_id(), |
| 59 | "ViECodec reference count: %d", ref_count); |
| 60 | return ref_count; |
| 61 | } |
| 62 | |
| 63 | ViECodecImpl::ViECodecImpl(ViESharedData* shared_data) |
| 64 | : shared_data_(shared_data) { |
| 65 | WEBRTC_TRACE(kTraceMemory, kTraceVideo, shared_data_->instance_id(), |
| 66 | "ViECodecImpl::ViECodecImpl() Ctor"); |
| 67 | } |
| 68 | |
| 69 | ViECodecImpl::~ViECodecImpl() { |
| 70 | WEBRTC_TRACE(kTraceMemory, kTraceVideo, shared_data_->instance_id(), |
| 71 | "ViECodecImpl::~ViECodecImpl() Dtor"); |
| 72 | } |
| 73 | |
| 74 | int ViECodecImpl::NumberOfCodecs() const { |
| 75 | WEBRTC_TRACE(kTraceApiCall, kTraceVideo, ViEId(shared_data_->instance_id()), |
| 76 | "%s", __FUNCTION__); |
| 77 | // +2 because of FEC(RED and ULPFEC) |
| 78 | return static_cast<int>((VideoCodingModule::NumberOfCodecs() + 2)); |
| 79 | } |
| 80 | |
| 81 | int ViECodecImpl::GetCodec(const unsigned char list_number, |
| 82 | VideoCodec& video_codec) const { |
| 83 | WEBRTC_TRACE(kTraceApiCall, kTraceVideo, ViEId(shared_data_->instance_id()), |
| 84 | "%s(list_number: %d, codec_type: %d)", __FUNCTION__, |
| 85 | list_number, video_codec.codecType); |
| 86 | if (list_number == VideoCodingModule::NumberOfCodecs()) { |
| 87 | memset(&video_codec, 0, sizeof(VideoCodec)); |
| 88 | strncpy(video_codec.plName, "red", 3); |
| 89 | video_codec.codecType = kVideoCodecRED; |
| 90 | video_codec.plType = VCM_RED_PAYLOAD_TYPE; |
| 91 | } else if (list_number == VideoCodingModule::NumberOfCodecs() + 1) { |
| 92 | memset(&video_codec, 0, sizeof(VideoCodec)); |
| 93 | strncpy(video_codec.plName, "ulpfec", 6); |
| 94 | video_codec.codecType = kVideoCodecULPFEC; |
| 95 | video_codec.plType = VCM_ULPFEC_PAYLOAD_TYPE; |
| 96 | } else if (VideoCodingModule::Codec(list_number, &video_codec) != VCM_OK) { |
| 97 | WEBRTC_TRACE(kTraceApiCall, kTraceVideo, ViEId(shared_data_->instance_id()), |
| 98 | "%s: Could not get codec for list_number: %u", __FUNCTION__, |
| 99 | list_number); |
| 100 | shared_data_->SetLastError(kViECodecInvalidArgument); |
| 101 | return -1; |
| 102 | } |
| 103 | return 0; |
| 104 | } |
| 105 | |
| 106 | int ViECodecImpl::SetSendCodec(const int video_channel, |
| 107 | const VideoCodec& video_codec) { |
| 108 | WEBRTC_TRACE(kTraceApiCall, kTraceVideo, |
| 109 | ViEId(shared_data_->instance_id(), video_channel), |
| 110 | "%s(video_channel: %d, codec_type: %d)", __FUNCTION__, |
| 111 | video_channel, video_codec.codecType); |
| 112 | WEBRTC_TRACE(kTraceInfo, kTraceVideo, |
| 113 | ViEId(shared_data_->instance_id(), video_channel), |
| 114 | "%s: codec: %d, pl_type: %d, width: %d, height: %d, bitrate: %d" |
| 115 | "maxBr: %d, min_br: %d, frame_rate: %d, qpMax: %u," |
| 116 | "numberOfSimulcastStreams: %u )", __FUNCTION__, |
| 117 | video_codec.codecType, video_codec.plType, video_codec.width, |
| 118 | video_codec.height, video_codec.startBitrate, |
| 119 | video_codec.maxBitrate, video_codec.minBitrate, |
| 120 | video_codec.maxFramerate, video_codec.qpMax, |
| 121 | video_codec.numberOfSimulcastStreams); |
| 122 | if (video_codec.codecType == kVideoCodecVP8) { |
| 123 | WEBRTC_TRACE(kTraceInfo, kTraceVideo, |
| 124 | ViEId(shared_data_->instance_id(), video_channel), |
| 125 | "pictureLossIndicationOn: %d, feedbackModeOn: %d, " |
| 126 | "complexity: %d, resilience: %d, numberOfTemporalLayers: %u", |
| 127 | video_codec.codecSpecific.VP8.pictureLossIndicationOn, |
| 128 | video_codec.codecSpecific.VP8.feedbackModeOn, |
| 129 | video_codec.codecSpecific.VP8.complexity, |
| 130 | video_codec.codecSpecific.VP8.resilience, |
| 131 | video_codec.codecSpecific.VP8.numberOfTemporalLayers); |
| 132 | } |
| 133 | if (!CodecValid(video_codec)) { |
| 134 | // Error logged. |
| 135 | shared_data_->SetLastError(kViECodecInvalidCodec); |
| 136 | return -1; |
| 137 | } |
| 138 | |
| 139 | ViEChannelManagerScoped cs(*(shared_data_->channel_manager())); |
| 140 | ViEChannel* vie_channel = cs.Channel(video_channel); |
| 141 | if (!vie_channel) { |
| 142 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 143 | ViEId(shared_data_->instance_id(), video_channel), |
| 144 | "%s: No channel %d", __FUNCTION__, video_channel); |
| 145 | shared_data_->SetLastError(kViECodecInvalidChannelId); |
| 146 | return -1; |
| 147 | } |
| 148 | |
| 149 | ViEEncoder* vie_encoder = cs.Encoder(video_channel); |
| 150 | assert(vie_encoder); |
| 151 | if (vie_encoder->Owner() != video_channel) { |
| 152 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 153 | ViEId(shared_data_->instance_id(), video_channel), |
| 154 | "%s: Receive only channel %d", __FUNCTION__, video_channel); |
| 155 | shared_data_->SetLastError(kViECodecReceiveOnlyChannel); |
| 156 | return -1; |
| 157 | } |
| 158 | |
| 159 | // Set a max_bitrate if the user hasn't set one. |
| 160 | VideoCodec video_codec_internal; |
| 161 | memcpy(&video_codec_internal, &video_codec, sizeof(VideoCodec)); |
| 162 | if (video_codec_internal.maxBitrate == 0) { |
| 163 | // Max is one bit per pixel. |
| 164 | video_codec_internal.maxBitrate = (video_codec_internal.width * |
| 165 | video_codec_internal.height * |
| 166 | video_codec_internal.maxFramerate) |
| 167 | / 1000; |
| 168 | if (video_codec_internal.startBitrate > video_codec_internal.maxBitrate) { |
| 169 | // Don't limit the set start bitrate. |
| 170 | video_codec_internal.maxBitrate = video_codec_internal.startBitrate; |
| 171 | } |
| 172 | WEBRTC_TRACE(kTraceInfo, kTraceVideo, |
| 173 | ViEId(shared_data_->instance_id(), video_channel), |
| 174 | "%s: New max bitrate set to %d kbps", __FUNCTION__, |
| 175 | video_codec_internal.maxBitrate); |
| 176 | } |
| 177 | |
| 178 | VideoCodec encoder; |
| 179 | vie_encoder->GetEncoder(&encoder); |
| 180 | |
| 181 | // Make sure to generate a new SSRC if the codec type and/or resolution has |
| 182 | // changed. This won't have any effect if the user has set an SSRC. |
| 183 | bool new_rtp_stream = false; |
| 184 | if (encoder.codecType != video_codec_internal.codecType) { |
| 185 | new_rtp_stream = true; |
| 186 | } |
| 187 | |
| 188 | ViEInputManagerScoped is(*(shared_data_->input_manager())); |
| 189 | ViEFrameProviderBase* frame_provider = NULL; |
| 190 | |
| 191 | // Stop the media flow while reconfiguring. |
| 192 | vie_encoder->Pause(); |
| 193 | |
| 194 | // Check if we have a frame provider that is a camera and can provide this |
| 195 | // codec for us. |
| 196 | bool use_capture_device_as_encoder = false; |
| 197 | frame_provider = is.FrameProvider(vie_encoder); |
| 198 | if (frame_provider) { |
| 199 | if (frame_provider->Id() >= kViECaptureIdBase && |
| 200 | frame_provider->Id() <= kViECaptureIdMax) { |
| 201 | ViECapturer* vie_capture = static_cast<ViECapturer*>(frame_provider); |
| 202 | // Try to get preencoded. Nothing to do if it is not supported. |
| 203 | if (vie_capture && vie_capture->PreEncodeToViEEncoder( |
| 204 | video_codec_internal, |
| 205 | *vie_encoder, |
| 206 | video_channel) == 0) { |
| 207 | use_capture_device_as_encoder = true; |
| 208 | } |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | // Update the encoder settings if we are not using a capture device capable |
| 213 | // of this codec. |
| 214 | if (!use_capture_device_as_encoder && |
| 215 | vie_encoder->SetEncoder(video_codec_internal) != 0) { |
| 216 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 217 | ViEId(shared_data_->instance_id(), video_channel), |
| 218 | "%s: Could not change encoder for channel %d", __FUNCTION__, |
| 219 | video_channel); |
| 220 | shared_data_->SetLastError(kViECodecUnknownError); |
| 221 | return -1; |
| 222 | } |
| 223 | |
| 224 | // Give the channel(s) the new information. |
| 225 | ChannelList channels; |
| 226 | cs.ChannelsUsingViEEncoder(video_channel, &channels); |
| 227 | for (ChannelList::iterator it = channels.begin(); it != channels.end(); |
| 228 | ++it) { |
| 229 | bool ret = true; |
| 230 | if ((*it)->SetSendCodec(video_codec_internal, new_rtp_stream) != 0) { |
| 231 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 232 | ViEId(shared_data_->instance_id(), video_channel), |
| 233 | "%s: Could not set send codec for channel %d", __FUNCTION__, |
| 234 | video_channel); |
| 235 | ret = false; |
| 236 | } |
| 237 | if (!ret) { |
| 238 | shared_data_->SetLastError(kViECodecUnknownError); |
| 239 | return -1; |
| 240 | } |
| 241 | } |
| 242 | |
mflodman@webrtc.org | b6d9cfc | 2012-10-25 11:30:29 +0000 | [diff] [blame^] | 243 | // TODO(mflodman) Break out this part in GetLocalSsrcList(). |
| 244 | // Update all SSRCs to ViEEncoder. |
| 245 | std::list<unsigned int> ssrcs; |
| 246 | if (video_codec_internal.numberOfSimulcastStreams == 0) { |
| 247 | unsigned int ssrc = 0; |
| 248 | if (vie_channel->GetLocalSSRC(0, &ssrc) != 0) { |
| 249 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 250 | ViEId(shared_data_->instance_id(), video_channel), |
| 251 | "%s: Could not get ssrc", __FUNCTION__); |
| 252 | } |
| 253 | ssrcs.push_back(ssrc); |
| 254 | } else { |
| 255 | for (int idx = 0; idx < video_codec_internal.numberOfSimulcastStreams; |
| 256 | ++idx) { |
| 257 | unsigned int ssrc = 0; |
| 258 | if (vie_channel->GetLocalSSRC(idx, &ssrc) != 0) { |
| 259 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 260 | ViEId(shared_data_->instance_id(), video_channel), |
| 261 | "%s: Could not get ssrc for idx %d", __FUNCTION__, idx); |
| 262 | } |
| 263 | ssrcs.push_back(ssrc); |
| 264 | } |
| 265 | } |
| 266 | vie_encoder->SetSsrcs(ssrcs); |
| 267 | shared_data_->channel_manager()->UpdateSsrcs(video_channel, ssrcs); |
| 268 | |
andrew@webrtc.org | b015cbe | 2012-10-22 18:19:23 +0000 | [diff] [blame] | 269 | // Update the protection mode, we might be switching NACK/FEC. |
| 270 | vie_encoder->UpdateProtectionMethod(); |
| 271 | |
| 272 | // Get new best format for frame provider. |
| 273 | if (frame_provider) { |
| 274 | frame_provider->FrameCallbackChanged(); |
| 275 | } |
| 276 | // Restart the media flow |
| 277 | if (new_rtp_stream) { |
| 278 | // Stream settings changed, make sure we get a key frame. |
| 279 | vie_encoder->SendKeyFrame(); |
| 280 | } |
| 281 | vie_encoder->Restart(); |
| 282 | return 0; |
| 283 | } |
| 284 | |
| 285 | int ViECodecImpl::GetSendCodec(const int video_channel, |
| 286 | VideoCodec& video_codec) const { |
| 287 | WEBRTC_TRACE(kTraceApiCall, kTraceVideo, |
| 288 | ViEId(shared_data_->instance_id(), video_channel), |
| 289 | "%s(video_channel: %d)", __FUNCTION__, video_channel); |
| 290 | |
| 291 | ViEChannelManagerScoped cs(*(shared_data_->channel_manager())); |
| 292 | ViEEncoder* vie_encoder = cs.Encoder(video_channel); |
| 293 | if (!vie_encoder) { |
| 294 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 295 | ViEId(shared_data_->instance_id(), video_channel), |
| 296 | "%s: No encoder for channel %d", __FUNCTION__, video_channel); |
| 297 | shared_data_->SetLastError(kViECodecInvalidChannelId); |
| 298 | return -1; |
| 299 | } |
| 300 | return vie_encoder->GetEncoder(&video_codec); |
| 301 | } |
| 302 | |
| 303 | int ViECodecImpl::SetReceiveCodec(const int video_channel, |
| 304 | const VideoCodec& video_codec) { |
| 305 | WEBRTC_TRACE(kTraceApiCall, kTraceVideo, |
| 306 | ViEId(shared_data_->instance_id(), video_channel), |
| 307 | "%s(video_channel: %d, codec_type: %d)", __FUNCTION__, |
| 308 | video_channel, video_codec.codecType); |
| 309 | WEBRTC_TRACE(kTraceInfo, kTraceVideo, |
| 310 | ViEId(shared_data_->instance_id(), video_channel), |
| 311 | "%s: codec: %d, pl_type: %d, width: %d, height: %d, bitrate: %d," |
| 312 | "maxBr: %d, min_br: %d, frame_rate: %d", __FUNCTION__, |
| 313 | video_codec.codecType, video_codec.plType, video_codec.width, |
| 314 | video_codec.height, video_codec.startBitrate, |
| 315 | video_codec.maxBitrate, video_codec.minBitrate, |
| 316 | video_codec.maxFramerate); |
| 317 | |
| 318 | if (CodecValid(video_codec) == false) { |
| 319 | // Error logged. |
| 320 | shared_data_->SetLastError(kViECodecInvalidCodec); |
| 321 | return -1; |
| 322 | } |
| 323 | |
| 324 | ViEChannelManagerScoped cs(*(shared_data_->channel_manager())); |
| 325 | ViEChannel* vie_channel = cs.Channel(video_channel); |
| 326 | if (!vie_channel) { |
| 327 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 328 | ViEId(shared_data_->instance_id(), video_channel), |
| 329 | "%s: No channel %d", __FUNCTION__, video_channel); |
| 330 | shared_data_->SetLastError(kViECodecInvalidChannelId); |
| 331 | return -1; |
| 332 | } |
| 333 | |
| 334 | if (vie_channel->SetReceiveCodec(video_codec) != 0) { |
| 335 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 336 | ViEId(shared_data_->instance_id(), video_channel), |
| 337 | "%s: Could not set receive codec for channel %d", |
| 338 | __FUNCTION__, video_channel); |
| 339 | shared_data_->SetLastError(kViECodecUnknownError); |
| 340 | return -1; |
| 341 | } |
| 342 | return 0; |
| 343 | } |
| 344 | |
| 345 | int ViECodecImpl::GetReceiveCodec(const int video_channel, |
| 346 | VideoCodec& video_codec) const { |
| 347 | WEBRTC_TRACE(kTraceApiCall, kTraceVideo, |
| 348 | ViEId(shared_data_->instance_id(), video_channel), |
| 349 | "%s(video_channel: %d, codec_type: %d)", __FUNCTION__, |
| 350 | video_channel, video_codec.codecType); |
| 351 | |
| 352 | ViEChannelManagerScoped cs(*(shared_data_->channel_manager())); |
| 353 | ViEChannel* vie_channel = cs.Channel(video_channel); |
| 354 | if (!vie_channel) { |
| 355 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 356 | ViEId(shared_data_->instance_id(), video_channel), |
| 357 | "%s: No channel %d", __FUNCTION__, video_channel); |
| 358 | shared_data_->SetLastError(kViECodecInvalidChannelId); |
| 359 | return -1; |
| 360 | } |
| 361 | |
| 362 | if (vie_channel->GetReceiveCodec(&video_codec) != 0) { |
| 363 | shared_data_->SetLastError(kViECodecUnknownError); |
| 364 | return -1; |
| 365 | } |
| 366 | return 0; |
| 367 | } |
| 368 | |
| 369 | int ViECodecImpl::GetCodecConfigParameters( |
| 370 | const int video_channel, |
| 371 | unsigned char config_parameters[kConfigParameterSize], |
| 372 | unsigned char& config_parameters_size) const { |
| 373 | WEBRTC_TRACE(kTraceApiCall, kTraceVideo, |
| 374 | ViEId(shared_data_->instance_id(), video_channel), |
| 375 | "%s(video_channel: %d)", __FUNCTION__, video_channel); |
| 376 | |
| 377 | ViEChannelManagerScoped cs(*(shared_data_->channel_manager())); |
| 378 | ViEEncoder* vie_encoder = cs.Encoder(video_channel); |
| 379 | if (!vie_encoder) { |
| 380 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 381 | ViEId(shared_data_->instance_id(), video_channel), |
| 382 | "%s: No encoder for channel %d", __FUNCTION__, video_channel); |
| 383 | shared_data_->SetLastError(kViECodecInvalidChannelId); |
| 384 | return -1; |
| 385 | } |
| 386 | |
| 387 | if (vie_encoder->GetCodecConfigParameters(config_parameters, |
| 388 | config_parameters_size) != 0) { |
| 389 | shared_data_->SetLastError(kViECodecUnknownError); |
| 390 | return -1; |
| 391 | } |
| 392 | return 0; |
| 393 | } |
| 394 | |
| 395 | int ViECodecImpl::SetImageScaleStatus(const int video_channel, |
| 396 | const bool enable) { |
| 397 | WEBRTC_TRACE(kTraceApiCall, kTraceVideo, |
| 398 | ViEId(shared_data_->instance_id(), video_channel), |
| 399 | "%s(video_channel: %d, enable: %d)", __FUNCTION__, video_channel, |
| 400 | enable); |
| 401 | |
| 402 | ViEChannelManagerScoped cs(*(shared_data_->channel_manager())); |
| 403 | ViEEncoder* vie_encoder = cs.Encoder(video_channel); |
| 404 | if (!vie_encoder) { |
| 405 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 406 | ViEId(shared_data_->instance_id(), video_channel), |
| 407 | "%s: No channel %d", __FUNCTION__, video_channel); |
| 408 | shared_data_->SetLastError(kViECodecInvalidChannelId); |
| 409 | return -1; |
| 410 | } |
| 411 | |
| 412 | if (vie_encoder->ScaleInputImage(enable) != 0) { |
| 413 | shared_data_->SetLastError(kViECodecUnknownError); |
| 414 | return -1; |
| 415 | } |
| 416 | return 0; |
| 417 | } |
| 418 | |
| 419 | int ViECodecImpl::GetSendCodecStastistics(const int video_channel, |
| 420 | unsigned int& key_frames, |
| 421 | unsigned int& delta_frames) const { |
| 422 | WEBRTC_TRACE(kTraceApiCall, kTraceVideo, |
| 423 | ViEId(shared_data_->instance_id(), video_channel), |
| 424 | "%s(video_channel %d)", __FUNCTION__, video_channel); |
| 425 | |
| 426 | ViEChannelManagerScoped cs(*(shared_data_->channel_manager())); |
| 427 | ViEEncoder* vie_encoder = cs.Encoder(video_channel); |
| 428 | if (!vie_encoder) { |
| 429 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 430 | ViEId(shared_data_->instance_id(), video_channel), |
| 431 | "%s: No send codec for channel %d", __FUNCTION__, |
| 432 | video_channel); |
| 433 | shared_data_->SetLastError(kViECodecInvalidChannelId); |
| 434 | return -1; |
| 435 | } |
| 436 | |
| 437 | if (vie_encoder->SendCodecStatistics(&key_frames, &delta_frames) != 0) { |
| 438 | shared_data_->SetLastError(kViECodecUnknownError); |
| 439 | return -1; |
| 440 | } |
| 441 | return 0; |
| 442 | } |
| 443 | |
| 444 | int ViECodecImpl::GetReceiveCodecStastistics(const int video_channel, |
| 445 | unsigned int& key_frames, |
| 446 | unsigned int& delta_frames) const { |
| 447 | WEBRTC_TRACE(kTraceApiCall, kTraceVideo, |
| 448 | ViEId(shared_data_->instance_id(), video_channel), |
| 449 | "%s(video_channel: %d, codec_type: %d)", __FUNCTION__, |
| 450 | video_channel); |
| 451 | |
| 452 | ViEChannelManagerScoped cs(*(shared_data_->channel_manager())); |
| 453 | ViEChannel* vie_channel = cs.Channel(video_channel); |
| 454 | if (!vie_channel) { |
| 455 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 456 | ViEId(shared_data_->instance_id(), video_channel), |
| 457 | "%s: No channel %d", __FUNCTION__, video_channel); |
| 458 | shared_data_->SetLastError(kViECodecInvalidChannelId); |
| 459 | return -1; |
| 460 | } |
| 461 | if (vie_channel->ReceiveCodecStatistics(&key_frames, &delta_frames) != 0) { |
| 462 | shared_data_->SetLastError(kViECodecUnknownError); |
| 463 | return -1; |
| 464 | } |
| 465 | return 0; |
| 466 | } |
| 467 | |
| 468 | int ViECodecImpl::GetCodecTargetBitrate(const int video_channel, |
| 469 | unsigned int* bitrate) const { |
| 470 | WEBRTC_TRACE(kTraceApiCall, kTraceVideo, |
| 471 | ViEId(shared_data_->instance_id(), video_channel), |
| 472 | "%s(video_channel: %d, codec_type: %d)", __FUNCTION__, |
| 473 | video_channel); |
| 474 | |
| 475 | ViEChannelManagerScoped cs(*(shared_data_->channel_manager())); |
| 476 | ViEEncoder* vie_encoder = cs.Encoder(video_channel); |
| 477 | if (!vie_encoder) { |
| 478 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 479 | ViEId(shared_data_->instance_id(), video_channel), |
| 480 | "%s: No send codec for channel %d", __FUNCTION__, |
| 481 | video_channel); |
| 482 | shared_data_->SetLastError(kViECodecInvalidChannelId); |
| 483 | return -1; |
| 484 | } |
| 485 | return vie_encoder->CodecTargetBitrate(static_cast<WebRtc_UWord32*>(bitrate)); |
| 486 | } |
| 487 | |
| 488 | unsigned int ViECodecImpl::GetDiscardedPackets(const int video_channel) const { |
| 489 | WEBRTC_TRACE(kTraceApiCall, kTraceVideo, |
| 490 | ViEId(shared_data_->instance_id(), video_channel), |
| 491 | "%s(video_channel: %d, codec_type: %d)", __FUNCTION__, |
| 492 | video_channel); |
| 493 | |
| 494 | ViEChannelManagerScoped cs(*(shared_data_->channel_manager())); |
| 495 | ViEChannel* vie_channel = cs.Channel(video_channel); |
| 496 | if (!vie_channel) { |
| 497 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 498 | ViEId(shared_data_->instance_id(), video_channel), |
| 499 | "%s: No channel %d", __FUNCTION__, video_channel); |
| 500 | shared_data_->SetLastError(kViECodecInvalidChannelId); |
| 501 | return -1; |
| 502 | } |
| 503 | return vie_channel->DiscardedPackets(); |
| 504 | } |
| 505 | |
| 506 | int ViECodecImpl::SetKeyFrameRequestCallbackStatus(const int video_channel, |
| 507 | const bool enable) { |
| 508 | WEBRTC_TRACE(kTraceApiCall, kTraceVideo, |
| 509 | ViEId(shared_data_->instance_id(), video_channel), |
| 510 | "%s(video_channel: %d)", __FUNCTION__, video_channel); |
| 511 | |
| 512 | ViEChannelManagerScoped cs(*(shared_data_->channel_manager())); |
| 513 | ViEChannel* vie_channel = cs.Channel(video_channel); |
| 514 | if (!vie_channel) { |
| 515 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 516 | ViEId(shared_data_->instance_id(), video_channel), |
| 517 | "%s: No channel %d", __FUNCTION__, video_channel); |
| 518 | shared_data_->SetLastError(kViECodecInvalidChannelId); |
| 519 | return -1; |
| 520 | } |
| 521 | if (vie_channel->EnableKeyFrameRequestCallback(enable) != 0) { |
| 522 | shared_data_->SetLastError(kViECodecUnknownError); |
| 523 | return -1; |
| 524 | } |
| 525 | return 0; |
| 526 | } |
| 527 | |
| 528 | int ViECodecImpl::SetSignalKeyPacketLossStatus(const int video_channel, |
| 529 | const bool enable, |
| 530 | const bool only_key_frames) { |
| 531 | WEBRTC_TRACE(kTraceApiCall, kTraceVideo, |
| 532 | ViEId(shared_data_->instance_id(), video_channel), |
| 533 | "%s(video_channel: %d, enable: %d, only_key_frames: %d)", |
| 534 | __FUNCTION__, video_channel, enable); |
| 535 | |
| 536 | ViEChannelManagerScoped cs(*(shared_data_->channel_manager())); |
| 537 | ViEChannel* vie_channel = cs.Channel(video_channel); |
| 538 | if (!vie_channel) { |
| 539 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 540 | ViEId(shared_data_->instance_id(), video_channel), |
| 541 | "%s: No channel %d", __FUNCTION__, video_channel); |
| 542 | shared_data_->SetLastError(kViECodecInvalidChannelId); |
| 543 | return -1; |
| 544 | } |
| 545 | if (vie_channel->SetSignalPacketLossStatus(enable, only_key_frames) != 0) { |
| 546 | shared_data_->SetLastError(kViECodecUnknownError); |
| 547 | return -1; |
| 548 | } |
| 549 | return 0; |
| 550 | } |
| 551 | |
| 552 | int ViECodecImpl::RegisterEncoderObserver(const int video_channel, |
| 553 | ViEEncoderObserver& observer) { |
| 554 | WEBRTC_TRACE(kTraceApiCall, kTraceVideo, ViEId(shared_data_->instance_id()), |
| 555 | "%s", __FUNCTION__); |
| 556 | |
| 557 | ViEChannelManagerScoped cs(*(shared_data_->channel_manager())); |
| 558 | ViEEncoder* vie_encoder = cs.Encoder(video_channel); |
| 559 | if (!vie_encoder) { |
| 560 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 561 | ViEId(shared_data_->instance_id(), video_channel), |
| 562 | "%s: No encoder for channel %d", __FUNCTION__, video_channel); |
| 563 | shared_data_->SetLastError(kViECodecInvalidChannelId); |
| 564 | return -1; |
| 565 | } |
| 566 | if (vie_encoder->RegisterCodecObserver(&observer) != 0) { |
| 567 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 568 | ViEId(shared_data_->instance_id(), video_channel), |
| 569 | "%s: Could not register codec observer at channel", |
| 570 | __FUNCTION__); |
| 571 | shared_data_->SetLastError(kViECodecObserverAlreadyRegistered); |
| 572 | return -1; |
| 573 | } |
| 574 | return 0; |
| 575 | } |
| 576 | |
| 577 | int ViECodecImpl::DeregisterEncoderObserver(const int video_channel) { |
| 578 | WEBRTC_TRACE(kTraceApiCall, kTraceVideo, ViEId(shared_data_->instance_id()), |
| 579 | "%s", __FUNCTION__); |
| 580 | |
| 581 | ViEChannelManagerScoped cs(*(shared_data_->channel_manager())); |
| 582 | ViEEncoder* vie_encoder = cs.Encoder(video_channel); |
| 583 | if (!vie_encoder) { |
| 584 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 585 | ViEId(shared_data_->instance_id(), video_channel), |
| 586 | "%s: No encoder for channel %d", __FUNCTION__, video_channel); |
| 587 | shared_data_->SetLastError(kViECodecInvalidChannelId); |
| 588 | return -1; |
| 589 | } |
| 590 | if (vie_encoder->RegisterCodecObserver(NULL) != 0) { |
| 591 | shared_data_->SetLastError(kViECodecObserverNotRegistered); |
| 592 | return -1; |
| 593 | } |
| 594 | return 0; |
| 595 | } |
| 596 | |
| 597 | int ViECodecImpl::RegisterDecoderObserver(const int video_channel, |
| 598 | ViEDecoderObserver& observer) { |
| 599 | WEBRTC_TRACE(kTraceApiCall, kTraceVideo, ViEId(shared_data_->instance_id()), |
| 600 | "%s", __FUNCTION__); |
| 601 | |
| 602 | ViEChannelManagerScoped cs(*(shared_data_->channel_manager())); |
| 603 | ViEChannel* vie_channel = cs.Channel(video_channel); |
| 604 | if (!vie_channel) { |
| 605 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 606 | ViEId(shared_data_->instance_id(), video_channel), |
| 607 | "%s: No channel %d", __FUNCTION__, video_channel); |
| 608 | shared_data_->SetLastError(kViECodecInvalidChannelId); |
| 609 | return -1; |
| 610 | } |
| 611 | if (vie_channel->RegisterCodecObserver(&observer) != 0) { |
| 612 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 613 | ViEId(shared_data_->instance_id(), video_channel), |
| 614 | "%s: Could not register codec observer at channel", |
| 615 | __FUNCTION__); |
| 616 | shared_data_->SetLastError(kViECodecObserverAlreadyRegistered); |
| 617 | return -1; |
| 618 | } |
| 619 | return 0; |
| 620 | } |
| 621 | |
| 622 | int ViECodecImpl::DeregisterDecoderObserver(const int video_channel) { |
| 623 | WEBRTC_TRACE(kTraceApiCall, kTraceVideo, |
| 624 | ViEId(shared_data_->instance_id()), "%s", |
| 625 | __FUNCTION__); |
| 626 | |
| 627 | ViEChannelManagerScoped cs(*(shared_data_->channel_manager())); |
| 628 | ViEChannel* vie_channel = cs.Channel(video_channel); |
| 629 | if (!vie_channel) { |
| 630 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 631 | ViEId(shared_data_->instance_id(), video_channel), |
| 632 | "%s: No channel %d", __FUNCTION__, video_channel); |
| 633 | shared_data_->SetLastError(kViECodecInvalidChannelId); |
| 634 | return -1; |
| 635 | } |
| 636 | if (vie_channel->RegisterCodecObserver(NULL) != 0) { |
| 637 | shared_data_->SetLastError(kViECodecObserverNotRegistered); |
| 638 | return -1; |
| 639 | } |
| 640 | return 0; |
| 641 | } |
| 642 | |
| 643 | int ViECodecImpl::SendKeyFrame(const int video_channel) { |
| 644 | WEBRTC_TRACE(kTraceApiCall, kTraceVideo, ViEId(shared_data_->instance_id()), |
| 645 | "%s(video_channel: %d)", __FUNCTION__, video_channel); |
| 646 | |
| 647 | ViEChannelManagerScoped cs(*(shared_data_->channel_manager())); |
| 648 | ViEEncoder* vie_encoder = cs.Encoder(video_channel); |
| 649 | if (!vie_encoder) { |
| 650 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 651 | ViEId(shared_data_->instance_id(), video_channel), |
| 652 | "%s: No channel %d", __FUNCTION__, video_channel); |
| 653 | shared_data_->SetLastError(kViECodecInvalidChannelId); |
| 654 | return -1; |
| 655 | } |
| 656 | if (vie_encoder->SendKeyFrame() != 0) { |
| 657 | shared_data_->SetLastError(kViECodecUnknownError); |
| 658 | return -1; |
| 659 | } |
| 660 | return 0; |
| 661 | } |
| 662 | |
| 663 | int ViECodecImpl::WaitForFirstKeyFrame(const int video_channel, |
| 664 | const bool wait) { |
| 665 | WEBRTC_TRACE(kTraceApiCall, kTraceVideo, |
| 666 | ViEId(shared_data_->instance_id()), |
| 667 | "%s(video_channel: %d, wait: %d)", __FUNCTION__, video_channel, |
| 668 | wait); |
| 669 | |
| 670 | ViEChannelManagerScoped cs(*(shared_data_->channel_manager())); |
| 671 | ViEChannel* vie_channel = cs.Channel(video_channel); |
| 672 | if (!vie_channel) { |
| 673 | WEBRTC_TRACE(kTraceError, kTraceVideo, |
| 674 | ViEId(shared_data_->instance_id(), video_channel), |
| 675 | "%s: No channel %d", __FUNCTION__, video_channel); |
| 676 | shared_data_->SetLastError(kViECodecInvalidChannelId); |
| 677 | return -1; |
| 678 | } |
| 679 | if (vie_channel->WaitForKeyFrame(wait) != 0) { |
| 680 | shared_data_->SetLastError(kViECodecUnknownError); |
| 681 | return -1; |
| 682 | } |
| 683 | return 0; |
| 684 | } |
| 685 | |
| 686 | bool ViECodecImpl::CodecValid(const VideoCodec& video_codec) { |
| 687 | // Check pl_name matches codec_type. |
| 688 | if (video_codec.codecType == kVideoCodecRED) { |
| 689 | #if defined(WIN32) |
| 690 | if (_strnicmp(video_codec.plName, "red", 3) == 0) { |
| 691 | #else |
| 692 | if (strncasecmp(video_codec.plName, "red", 3) == 0) { |
| 693 | #endif |
| 694 | // We only care about the type and name for red. |
| 695 | return true; |
| 696 | } |
| 697 | WEBRTC_TRACE(kTraceError, kTraceVideo, -1, |
| 698 | "Codec type doesn't match pl_name", video_codec.plType); |
| 699 | return false; |
| 700 | } else if (video_codec.codecType == kVideoCodecULPFEC) { |
| 701 | #if defined(WIN32) |
| 702 | if (_strnicmp(video_codec.plName, "ULPFEC", 6) == 0) { |
| 703 | #else |
| 704 | if (strncasecmp(video_codec.plName, "ULPFEC", 6) == 0) { |
| 705 | #endif |
| 706 | // We only care about the type and name for ULPFEC. |
| 707 | return true; |
| 708 | } |
| 709 | WEBRTC_TRACE(kTraceError, kTraceVideo, -1, |
| 710 | "Codec type doesn't match pl_name", video_codec.plType); |
| 711 | return false; |
| 712 | } else if ((video_codec.codecType == kVideoCodecVP8 && |
| 713 | strncmp(video_codec.plName, "VP8", 4) == 0) || |
| 714 | (video_codec.codecType == kVideoCodecI420 && |
| 715 | strncmp(video_codec.plName, "I420", 4) == 0)) { |
| 716 | // OK. |
| 717 | } else { |
| 718 | WEBRTC_TRACE(kTraceError, kTraceVideo, -1, |
| 719 | "Codec type doesn't match pl_name", video_codec.plType); |
| 720 | return false; |
| 721 | } |
| 722 | |
| 723 | if (video_codec.plType == 0 && video_codec.plType > 127) { |
| 724 | WEBRTC_TRACE(kTraceError, kTraceVideo, -1, |
| 725 | "Invalid codec payload type: %d", video_codec.plType); |
| 726 | return false; |
| 727 | } |
| 728 | |
| 729 | if (video_codec.width > kViEMaxCodecWidth || |
| 730 | video_codec.height > kViEMaxCodecHeight) { |
| 731 | WEBRTC_TRACE(kTraceError, kTraceVideo, -1, "Invalid codec size: %u x %u", |
| 732 | video_codec.width, video_codec.height); |
| 733 | return false; |
| 734 | } |
| 735 | |
| 736 | if (video_codec.startBitrate < kViEMinCodecBitrate) { |
| 737 | WEBRTC_TRACE(kTraceError, kTraceVideo, -1, "Invalid start_bitrate: %u", |
| 738 | video_codec.startBitrate); |
| 739 | return false; |
| 740 | } |
| 741 | if (video_codec.minBitrate < kViEMinCodecBitrate) { |
| 742 | WEBRTC_TRACE(kTraceError, kTraceVideo, -1, "Invalid min_bitrate: %u", |
| 743 | video_codec.minBitrate); |
| 744 | return false; |
| 745 | } |
| 746 | return true; |
| 747 | } |
| 748 | |
| 749 | } // namespace webrtc |