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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/base/checks.h" | 11 #include "webrtc/base/checks.h" |
12 #include "webrtc/common_types.h" | 12 #include "webrtc/common_types.h" |
13 | 13 |
| 14 #include <limits> |
14 #include <string.h> | 15 #include <string.h> |
15 | 16 |
16 namespace webrtc { | 17 namespace webrtc { |
17 | 18 |
18 StreamDataCounters::StreamDataCounters() : first_packet_time_ms(-1) {} | 19 StreamDataCounters::StreamDataCounters() : first_packet_time_ms(-1) {} |
19 | 20 |
20 RTPHeaderExtension::RTPHeaderExtension() | 21 RTPHeaderExtension::RTPHeaderExtension() |
21 : hasTransmissionTimeOffset(false), | 22 : hasTransmissionTimeOffset(false), |
22 transmissionTimeOffset(0), | 23 transmissionTimeOffset(0), |
23 hasAbsoluteSendTime(false), | 24 hasAbsoluteSendTime(false), |
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52 startBitrate(0), | 53 startBitrate(0), |
53 maxBitrate(0), | 54 maxBitrate(0), |
54 minBitrate(0), | 55 minBitrate(0), |
55 targetBitrate(0), | 56 targetBitrate(0), |
56 maxFramerate(0), | 57 maxFramerate(0), |
57 qpMax(0), | 58 qpMax(0), |
58 numberOfSimulcastStreams(0), | 59 numberOfSimulcastStreams(0), |
59 simulcastStream(), | 60 simulcastStream(), |
60 spatialLayers(), | 61 spatialLayers(), |
61 mode(kRealtimeVideo), | 62 mode(kRealtimeVideo), |
| 63 expect_encode_from_texture(false), |
62 codec_specific_() {} | 64 codec_specific_() {} |
63 | 65 |
64 VideoCodecVP8* VideoCodec::VP8() { | 66 VideoCodecVP8* VideoCodec::VP8() { |
65 RTC_DCHECK_EQ(codecType, kVideoCodecVP8); | 67 RTC_DCHECK_EQ(codecType, kVideoCodecVP8); |
66 return &codec_specific_.VP8; | 68 return &codec_specific_.VP8; |
67 } | 69 } |
68 | 70 |
69 const VideoCodecVP8& VideoCodec::VP8() const { | 71 const VideoCodecVP8& VideoCodec::VP8() const { |
70 RTC_DCHECK_EQ(codecType, kVideoCodecVP8); | 72 RTC_DCHECK_EQ(codecType, kVideoCodecVP8); |
71 return codec_specific_.VP8; | 73 return codec_specific_.VP8; |
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84 VideoCodecH264* VideoCodec::H264() { | 86 VideoCodecH264* VideoCodec::H264() { |
85 RTC_DCHECK_EQ(codecType, kVideoCodecH264); | 87 RTC_DCHECK_EQ(codecType, kVideoCodecH264); |
86 return &codec_specific_.H264; | 88 return &codec_specific_.H264; |
87 } | 89 } |
88 | 90 |
89 const VideoCodecH264& VideoCodec::H264() const { | 91 const VideoCodecH264& VideoCodec::H264() const { |
90 RTC_DCHECK_EQ(codecType, kVideoCodecH264); | 92 RTC_DCHECK_EQ(codecType, kVideoCodecH264); |
91 return codec_specific_.H264; | 93 return codec_specific_.H264; |
92 } | 94 } |
93 | 95 |
| 96 static const char* kPayloadNameVp8 = "VP8"; |
| 97 static const char* kPayloadNameVp9 = "VP9"; |
| 98 static const char* kPayloadNameH264 = "H264"; |
| 99 static const char* kPayloadNameI420 = "I420"; |
| 100 static const char* kPayloadNameRED = "RED"; |
| 101 static const char* kPayloadNameULPFEC = "ULPFEC"; |
| 102 static const char* kPayloadNameGeneric = "Generic"; |
| 103 |
| 104 rtc::Optional<std::string> CodecTypeToPayloadName(VideoCodecType type) { |
| 105 switch (type) { |
| 106 case kVideoCodecVP8: |
| 107 return rtc::Optional<std::string>(kPayloadNameVp8); |
| 108 case kVideoCodecVP9: |
| 109 return rtc::Optional<std::string>(kPayloadNameVp9); |
| 110 case kVideoCodecH264: |
| 111 return rtc::Optional<std::string>(kPayloadNameH264); |
| 112 case kVideoCodecI420: |
| 113 return rtc::Optional<std::string>(kPayloadNameI420); |
| 114 case kVideoCodecRED: |
| 115 return rtc::Optional<std::string>(kPayloadNameRED); |
| 116 case kVideoCodecULPFEC: |
| 117 return rtc::Optional<std::string>(kPayloadNameULPFEC); |
| 118 case kVideoCodecGeneric: |
| 119 return rtc::Optional<std::string>(kPayloadNameGeneric); |
| 120 default: |
| 121 return rtc::Optional<std::string>(); |
| 122 } |
| 123 } |
| 124 |
| 125 rtc::Optional<VideoCodecType> PayloadNameToCodecType(const std::string& name) { |
| 126 if (name == kPayloadNameVp8) |
| 127 return rtc::Optional<VideoCodecType>(kVideoCodecVP8); |
| 128 if (name == kPayloadNameVp9) |
| 129 return rtc::Optional<VideoCodecType>(kVideoCodecVP9); |
| 130 if (name == kPayloadNameH264) |
| 131 return rtc::Optional<VideoCodecType>(kVideoCodecH264); |
| 132 if (name == kPayloadNameI420) |
| 133 return rtc::Optional<VideoCodecType>(kVideoCodecI420); |
| 134 if (name == kPayloadNameRED) |
| 135 return rtc::Optional<VideoCodecType>(kVideoCodecRED); |
| 136 if (name == kPayloadNameULPFEC) |
| 137 return rtc::Optional<VideoCodecType>(kVideoCodecULPFEC); |
| 138 if (name == kPayloadNameGeneric) |
| 139 return rtc::Optional<VideoCodecType>(kVideoCodecGeneric); |
| 140 return rtc::Optional<VideoCodecType>(); |
| 141 } |
| 142 |
| 143 const size_t BitrateAllocation::kMaxBitrateBps = |
| 144 std::numeric_limits<size_t>::max(); |
| 145 |
| 146 BitrateAllocation::BitrateAllocation() : sum_(0), bitrates_{} {} |
| 147 |
| 148 bool BitrateAllocation::SetBitrate(size_t spatial_index, |
| 149 size_t temporal_index, |
| 150 uint32_t bitrate_bps) { |
| 151 RTC_DCHECK_LT(spatial_index, static_cast<size_t>(kMaxSpatialLayers)); |
| 152 RTC_DCHECK_LT(temporal_index, static_cast<size_t>(kMaxTemporalStreams)); |
| 153 RTC_DCHECK_LE(bitrates_[spatial_index][temporal_index], sum_); |
| 154 uint64_t new_bitrate_sum_bps = sum_; |
| 155 new_bitrate_sum_bps -= bitrates_[spatial_index][temporal_index]; |
| 156 new_bitrate_sum_bps += bitrate_bps; |
| 157 if (new_bitrate_sum_bps > kMaxBitrateBps) |
| 158 return false; |
| 159 |
| 160 bitrates_[spatial_index][temporal_index] = bitrate_bps; |
| 161 sum_ = static_cast<uint32_t>(new_bitrate_sum_bps); |
| 162 return true; |
| 163 } |
| 164 |
| 165 uint32_t BitrateAllocation::GetBitrate(size_t spatial_index, |
| 166 size_t temporal_index) const { |
| 167 RTC_DCHECK_LT(spatial_index, static_cast<size_t>(kMaxSpatialLayers)); |
| 168 RTC_DCHECK_LT(temporal_index, static_cast<size_t>(kMaxTemporalStreams)); |
| 169 return bitrates_[spatial_index][temporal_index]; |
| 170 } |
| 171 |
| 172 // Get the sum of all the temporal layer for a specific spatial layer. |
| 173 uint32_t BitrateAllocation::GetSpatialLayerSum(size_t spatial_index) const { |
| 174 RTC_DCHECK_LT(spatial_index, static_cast<size_t>(kMaxSpatialLayers)); |
| 175 uint32_t sum = 0; |
| 176 for (int i = 0; i < kMaxTemporalStreams; ++i) |
| 177 sum += bitrates_[spatial_index][i]; |
| 178 return sum; |
| 179 } |
| 180 |
94 } // namespace webrtc | 181 } // namespace webrtc |
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