Line data    Source code

       1             : /*
       2             :  *  Copyright (c) 2016 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             : // This file contains codec dependent definitions that are needed in
      12             : // order to compile the WebRTC codebase, even if this codec is not used.
      13             : 
      14             : #ifndef WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_INCLUDE_VP8_GLOBALS_H_
      15             : #define WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_INCLUDE_VP8_GLOBALS_H_
      16             : 
      17             : #include "webrtc/modules/video_coding/codecs/interface/common_constants.h"
      18             : 
      19             : namespace webrtc {
      20             : 
      21             : struct RTPVideoHeaderVP8 {
      22           0 :   void InitRTPVideoHeaderVP8() {
      23           0 :     nonReference = false;
      24           0 :     pictureId = kNoPictureId;
      25           0 :     tl0PicIdx = kNoTl0PicIdx;
      26           0 :     temporalIdx = kNoTemporalIdx;
      27           0 :     layerSync = false;
      28           0 :     keyIdx = kNoKeyIdx;
      29           0 :     partitionId = 0;
      30           0 :     beginningOfPartition = false;
      31           0 :   }
      32             : 
      33             :   bool nonReference;          // Frame is discardable.
      34             :   int16_t pictureId;          // Picture ID index, 15 bits;
      35             :                               // kNoPictureId if PictureID does not exist.
      36             :   int16_t tl0PicIdx;          // TL0PIC_IDX, 8 bits;
      37             :                               // kNoTl0PicIdx means no value provided.
      38             :   uint8_t temporalIdx;        // Temporal layer index, or kNoTemporalIdx.
      39             :   bool layerSync;             // This frame is a layer sync frame.
      40             :                               // Disabled if temporalIdx == kNoTemporalIdx.
      41             :   int keyIdx;                 // 5 bits; kNoKeyIdx means not used.
      42             :   int partitionId;            // VP8 partition ID
      43             :   bool beginningOfPartition;  // True if this packet is the first
      44             :                               // in a VP8 partition. Otherwise false
      45             : };
      46             : 
      47             : }  // namespace webrtc
      48             : 
      49             : #endif  // WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_INCLUDE_VP8_GLOBALS_H_