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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef MEDIA_CAST_VIDEO_SENDER_SOFTWARE_VIDEO_ENCODER_H_ | 5 #ifndef MEDIA_CAST_SENDER_SOFTWARE_VIDEO_ENCODER_H_ |
| 6 #define MEDIA_CAST_VIDEO_SENDER_SOFTWARE_VIDEO_ENCODER_H_ | 6 #define MEDIA_CAST_SENDER_SOFTWARE_VIDEO_ENCODER_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
| 10 | 10 |
| 11 namespace media { | 11 namespace media { |
| 12 class VideoFrame; | 12 class VideoFrame; |
| 13 } | 13 } |
| 14 | 14 |
| 15 namespace media { | 15 namespace media { |
| 16 namespace cast { | 16 namespace cast { |
| 17 namespace transport { | |
| 18 struct EncodedFrame; | 17 struct EncodedFrame; |
| 19 } // namespace transport | |
| 20 | 18 |
| 21 class SoftwareVideoEncoder { | 19 class SoftwareVideoEncoder { |
| 22 public: | 20 public: |
| 23 virtual ~SoftwareVideoEncoder() {} | 21 virtual ~SoftwareVideoEncoder() {} |
| 24 | 22 |
| 25 // Initialize the encoder before Encode() can be called. This method | 23 // Initialize the encoder before Encode() can be called. This method |
| 26 // must be called on the thread that Encode() is called. | 24 // must be called on the thread that Encode() is called. |
| 27 virtual void Initialize() = 0; | 25 virtual void Initialize() = 0; |
| 28 | 26 |
| 29 // Encode a raw image (as a part of a video stream). | 27 // Encode a raw image (as a part of a video stream). |
| 30 virtual bool Encode(const scoped_refptr<media::VideoFrame>& video_frame, | 28 virtual bool Encode(const scoped_refptr<media::VideoFrame>& video_frame, |
| 31 transport::EncodedFrame* encoded_image) = 0; | 29 EncodedFrame* encoded_image) = 0; |
| 32 | 30 |
| 33 // Update the encoder with a new target bit rate. | 31 // Update the encoder with a new target bit rate. |
| 34 virtual void UpdateRates(uint32 new_bitrate) = 0; | 32 virtual void UpdateRates(uint32 new_bitrate) = 0; |
| 35 | 33 |
| 36 // Set the next frame to be a key frame. | 34 // Set the next frame to be a key frame. |
| 37 virtual void GenerateKeyFrame() = 0; | 35 virtual void GenerateKeyFrame() = 0; |
| 38 | 36 |
| 39 // Set the last frame to reference. | 37 // Set the last frame to reference. |
| 40 virtual void LatestFrameIdToReference(uint32 frame_id) = 0; | 38 virtual void LatestFrameIdToReference(uint32 frame_id) = 0; |
| 41 }; | 39 }; |
| 42 | 40 |
| 43 } // namespace cast | 41 } // namespace cast |
| 44 } // namespace media | 42 } // namespace media |
| 45 | 43 |
| 46 #endif // MEDIA_CAST_VIDEO_SENDER_SOFTWARE_VIDEO_ENCODER_H_ | 44 #endif // MEDIA_CAST_SENDER_SOFTWARE_VIDEO_ENCODER_H_ |
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