Home | History | Annotate | Download | only in source 
      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 #ifndef WEBRTC_MODULES_UTILITY_SOURCE_VIDEO_CODER_H_
     12 #define WEBRTC_MODULES_UTILITY_SOURCE_VIDEO_CODER_H_
     13 
     14 #ifdef WEBRTC_MODULE_UTILITY_VIDEO
     15 
     16 #include "webrtc/engine_configurations.h"
     17 #include "webrtc/modules/video_coding/main/interface/video_coding.h"
     18 
     19 namespace webrtc {
     20 class VideoCoder : public VCMPacketizationCallback, public VCMReceiveCallback
     21 {
     22 public:
     23     VideoCoder();
     24     ~VideoCoder();
     25 
     26     int32_t SetEncodeCodec(VideoCodec& videoCodecInst,
     27                            uint32_t numberOfCores,
     28                            uint32_t maxPayloadSize);
     29 
     30 
     31     // Select the codec that should be used for decoding. videoCodecInst.plType
     32     // will be set to the codec's default payload type.
     33     int32_t SetDecodeCodec(VideoCodec& videoCodecInst, int32_t numberOfCores);
     34 
     35     int32_t Decode(I420VideoFrame& decodedVideo,
     36                    const EncodedVideoData& encodedData);
     37 
     38     int32_t Encode(const I420VideoFrame& videoFrame,
     39                    EncodedVideoData& videoEncodedData);
     40 
     41     int8_t DefaultPayloadType(const char* plName);
     42 
     43 private:
     44     // VCMReceiveCallback function.
     45     // Note: called by VideoCodingModule when decoding finished.
     46     virtual int32_t FrameToRender(I420VideoFrame& videoFrame) OVERRIDE;
     47 
     48     // VCMPacketizationCallback function.
     49     // Note: called by VideoCodingModule when encoding finished.
     50     virtual int32_t SendData(
     51         FrameType /*frameType*/,
     52         uint8_t /*payloadType*/,
     53         uint32_t /*timeStamp*/,
     54         int64_t capture_time_ms,
     55         const uint8_t* payloadData,
     56         uint32_t payloadSize,
     57         const RTPFragmentationHeader& /* fragmentationHeader*/,
     58         const RTPVideoHeader* rtpTypeHdr) OVERRIDE;
     59 
     60     VideoCodingModule* _vcm;
     61     I420VideoFrame* _decodedVideo;
     62     EncodedVideoData* _videoEncodedData;
     63 };
     64 }  // namespace webrtc
     65 #endif // WEBRTC_MODULE_UTILITY_VIDEO
     66 #endif // WEBRTC_MODULES_UTILITY_SOURCE_VIDEO_CODER_H_
     67