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_VIDEO_CODING_INCLUDE_VIDEO_CODEC_INTERFACE_H_ 12 #define WEBRTC_MODULES_VIDEO_CODING_INCLUDE_VIDEO_CODEC_INTERFACE_H_ 13 14 #include <vector> 15 16 #include "webrtc/common_types.h" 17 #include "webrtc/modules/include/module_common_types.h" 18 #include "webrtc/modules/video_coding/include/video_error_codes.h" 19 #include "webrtc/typedefs.h" 20 #include "webrtc/video_decoder.h" 21 #include "webrtc/video_encoder.h" 22 #include "webrtc/video_frame.h" 23 24 namespace webrtc { 25 26 class RTPFragmentationHeader; // forward declaration 27 28 // Note: if any pointers are added to this struct, it must be fitted 29 // with a copy-constructor. See below. 30 struct CodecSpecificInfoVP8 { 31 bool hasReceivedSLI; 32 uint8_t pictureIdSLI; 33 bool hasReceivedRPSI; 34 uint64_t pictureIdRPSI; 35 int16_t pictureId; // Negative value to skip pictureId. 36 bool nonReference; 37 uint8_t simulcastIdx; 38 uint8_t temporalIdx; 39 bool layerSync; 40 int tl0PicIdx; // Negative value to skip tl0PicIdx. 41 int8_t keyIdx; // Negative value to skip keyIdx. 42 }; 43 44 struct CodecSpecificInfoVP9 { 45 bool has_received_sli; 46 uint8_t picture_id_sli; 47 bool has_received_rpsi; 48 uint64_t picture_id_rpsi; 49 int16_t picture_id; // Negative value to skip pictureId. 50 51 bool inter_pic_predicted; // This layer frame is dependent on previously 52 // coded frame(s). 53 bool flexible_mode; 54 bool ss_data_available; 55 56 int tl0_pic_idx; // Negative value to skip tl0PicIdx. 57 uint8_t temporal_idx; 58 uint8_t spatial_idx; 59 bool temporal_up_switch; 60 bool inter_layer_predicted; // Frame is dependent on directly lower spatial 61 // layer frame. 62 uint8_t gof_idx; 63 64 // SS data. 65 size_t num_spatial_layers; // Always populated. 66 bool spatial_layer_resolution_present; 67 uint16_t width[kMaxVp9NumberOfSpatialLayers]; 68 uint16_t height[kMaxVp9NumberOfSpatialLayers]; 69 GofInfoVP9 gof; 70 71 // Frame reference data. 72 uint8_t num_ref_pics; 73 uint8_t p_diff[kMaxVp9RefPics]; 74 }; 75 76 struct CodecSpecificInfoGeneric { 77 uint8_t simulcast_idx; 78 }; 79 80 struct CodecSpecificInfoH264 {}; 81 82 union CodecSpecificInfoUnion { 83 CodecSpecificInfoGeneric generic; 84 CodecSpecificInfoVP8 VP8; 85 CodecSpecificInfoVP9 VP9; 86 CodecSpecificInfoH264 H264; 87 }; 88 89 // Note: if any pointers are added to this struct or its sub-structs, it 90 // must be fitted with a copy-constructor. This is because it is copied 91 // in the copy-constructor of VCMEncodedFrame. 92 struct CodecSpecificInfo { 93 VideoCodecType codecType; 94 CodecSpecificInfoUnion codecSpecific; 95 }; 96 97 } // namespace webrtc 98 99 #endif // WEBRTC_MODULES_VIDEO_CODING_INCLUDE_VIDEO_CODEC_INTERFACE_H_ 100