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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 |
| (...skipping 23 matching lines...) Expand all Loading... | |
| 34 virtual ~EncodedImageCallback() {} | 34 virtual ~EncodedImageCallback() {} |
| 35 | 35 |
| 36 struct Result { | 36 struct Result { |
| 37 enum Error { | 37 enum Error { |
| 38 OK, | 38 OK, |
| 39 | 39 |
| 40 // Failed to send the packet. | 40 // Failed to send the packet. |
| 41 ERROR_SEND_FAILED, | 41 ERROR_SEND_FAILED, |
| 42 }; | 42 }; |
| 43 | 43 |
| 44 Result(Error error) : error(error) {} | 44 explicit Result(Error error) : error(error) {} |
| 45 Result(Error error, uint32_t frame_id) : error(error), frame_id(frame_id) {} | 45 Result(Error error, uint32_t frame_id) : error(error), frame_id(frame_id) {} |
| 46 | 46 |
| 47 Error error; | 47 Error error; |
| 48 | 48 |
| 49 // Frame ID assigned to the frame. The frame ID should be the same as the ID | 49 // Frame ID assigned to the frame. The frame ID should be the same as the ID |
| 50 // seen by the receiver for this frame. RTP timestamp of the frame is used | 50 // seen by the receiver for this frame. RTP timestamp of the frame is used |
| 51 // as frame ID when RTP is used to send video. Must be used only when | 51 // as frame ID when RTP is used to send video. Must be used only when |
| 52 // error=OK. | 52 // error=OK. |
| 53 uint32_t frame_id = 0; | 53 uint32_t frame_id = 0; |
| 54 | 54 |
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| 67 | 67 |
| 68 class VideoEncoder { | 68 class VideoEncoder { |
| 69 public: | 69 public: |
| 70 struct QpThresholds { | 70 struct QpThresholds { |
| 71 QpThresholds(int l, int h) : low(l), high(h) {} | 71 QpThresholds(int l, int h) : low(l), high(h) {} |
| 72 QpThresholds() : low(-1), high(-1) {} | 72 QpThresholds() : low(-1), high(-1) {} |
| 73 int low; | 73 int low; |
| 74 int high; | 74 int high; |
| 75 }; | 75 }; |
| 76 struct ScalingSettings { | 76 struct ScalingSettings { |
| 77 ScalingSettings(bool on, int low, int high) | 77 ScalingSettings(bool on, int low, int high); |
| 78 : enabled(on), | 78 explicit ScalingSettings(bool on); |
| 79 thresholds(rtc::Optional<QpThresholds>(QpThresholds(low, high))) {} | 79 ScalingSettings(const ScalingSettings&); |
| 80 explicit ScalingSettings(bool on) : enabled(on) {} | 80 ~ScalingSettings(); |
| 81 | |
| 81 const bool enabled; | 82 const bool enabled; |
| 82 const rtc::Optional<QpThresholds> thresholds; | 83 const rtc::Optional<QpThresholds> thresholds; |
| 83 }; | 84 }; |
| 84 | 85 |
| 85 static VideoCodecVP8 GetDefaultVp8Settings(); | 86 static VideoCodecVP8 GetDefaultVp8Settings(); |
| 86 static VideoCodecVP9 GetDefaultVp9Settings(); | 87 static VideoCodecVP9 GetDefaultVp9Settings(); |
| 87 static VideoCodecH264 GetDefaultH264Settings(); | 88 static VideoCodecH264 GetDefaultH264Settings(); |
| 88 | 89 |
| 89 virtual ~VideoEncoder() {} | 90 virtual ~VideoEncoder() {} |
| 90 | 91 |
| (...skipping 57 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
| 148 // <0 - Errors: WEBRTC_VIDEO_CODEC_ERROR | 149 // <0 - Errors: WEBRTC_VIDEO_CODEC_ERROR |
| 149 virtual int32_t SetChannelParameters(uint32_t packet_loss, int64_t rtt) = 0; | 150 virtual int32_t SetChannelParameters(uint32_t packet_loss, int64_t rtt) = 0; |
| 150 | 151 |
| 151 // Inform the encoder about the new target bit rate. | 152 // Inform the encoder about the new target bit rate. |
| 152 // | 153 // |
| 153 // Input: | 154 // Input: |
| 154 // - bitrate : New target bit rate | 155 // - bitrate : New target bit rate |
| 155 // - framerate : The target frame rate | 156 // - framerate : The target frame rate |
| 156 // | 157 // |
| 157 // Return value : WEBRTC_VIDEO_CODEC_OK if OK, < 0 otherwise. | 158 // Return value : WEBRTC_VIDEO_CODEC_OK if OK, < 0 otherwise. |
| 158 virtual int32_t SetRates(uint32_t bitrate, uint32_t framerate) { | 159 virtual int32_t SetRates(uint32_t bitrate, uint32_t framerate); |
|
brandtr
2017/08/10 08:05:35
Does it make sense to make it RTC_DEPRECATED?
mflodman
2017/08/10 08:23:56
Yes, done.
| |
| 159 RTC_NOTREACHED() << "SetRate(uint32_t, uint32_t) is deprecated."; | |
| 160 return -1; | |
| 161 } | |
| 162 | 160 |
| 163 // Default fallback: Just use the sum of bitrates as the single target rate. | 161 // Default fallback: Just use the sum of bitrates as the single target rate. |
| 164 // TODO(sprang): Remove this default implementation when we remove SetRates(). | 162 // TODO(sprang): Remove this default implementation when we remove SetRates(). |
| 165 virtual int32_t SetRateAllocation(const BitrateAllocation& allocation, | 163 virtual int32_t SetRateAllocation(const BitrateAllocation& allocation, |
| 166 uint32_t framerate) { | 164 uint32_t framerate); |
| 167 return SetRates(allocation.get_sum_kbps(), framerate); | |
| 168 } | |
| 169 | 165 |
| 170 // Any encoder implementation wishing to use the WebRTC provided | 166 // Any encoder implementation wishing to use the WebRTC provided |
| 171 // quality scaler must implement this method. | 167 // quality scaler must implement this method. |
| 172 virtual ScalingSettings GetScalingSettings() const { | 168 virtual ScalingSettings GetScalingSettings() const; |
| 173 return ScalingSettings(false); | |
| 174 } | |
| 175 | 169 |
| 176 virtual int32_t SetPeriodicKeyFrames(bool enable) { return -1; } | 170 virtual int32_t SetPeriodicKeyFrames(bool enable); |
| 177 virtual bool SupportsNativeHandle() const { return false; } | 171 virtual bool SupportsNativeHandle() const; |
| 178 virtual const char* ImplementationName() const { return "unknown"; } | 172 virtual const char* ImplementationName() const; |
| 179 }; | 173 }; |
| 180 | |
| 181 } // namespace webrtc | 174 } // namespace webrtc |
| 182 #endif // WEBRTC_API_VIDEO_CODECS_VIDEO_ENCODER_H_ | 175 #endif // WEBRTC_API_VIDEO_CODECS_VIDEO_ENCODER_H_ |
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