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 MODULES_VIDEO_CODING_INCLUDE_VIDEO_CODEC_INTERFACE_H_ 12 #define MODULES_VIDEO_CODING_INCLUDE_VIDEO_CODEC_INTERFACE_H_ 13 14 #include <vector> 15 16 #include "api/video/video_frame.h" 17 #include "api/video_codecs/video_decoder.h" 18 #include "api/video_codecs/video_encoder.h" 19 #include "common_types.h" // NOLINT(build/include) 20 #include "modules/include/module_common_types.h" 21 #include "modules/video_coding/include/video_error_codes.h" 22 #include "typedefs.h" // NOLINT(build/include) 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 int16_t pictureId; // Negative value to skip pictureId. 32 bool nonReference; 33 uint8_t simulcastIdx; 34 uint8_t temporalIdx; 35 bool layerSync; 36 int tl0PicIdx; // Negative value to skip tl0PicIdx. 37 int8_t keyIdx; // Negative value to skip keyIdx. 38 }; 39 40 struct CodecSpecificInfoVP9 { 41 int16_t picture_id; // Negative value to skip pictureId. 42 43 bool inter_pic_predicted; // This layer frame is dependent on previously 44 // coded frame(s). 45 bool flexible_mode; 46 bool ss_data_available; 47 48 int tl0_pic_idx; // Negative value to skip tl0PicIdx. 49 uint8_t temporal_idx; 50 uint8_t spatial_idx; 51 bool temporal_up_switch; 52 bool inter_layer_predicted; // Frame is dependent on directly lower spatial 53 // layer frame. 54 uint8_t gof_idx; 55 56 // SS data. 57 size_t num_spatial_layers; // Always populated. 58 bool spatial_layer_resolution_present; 59 uint16_t width[kMaxVp9NumberOfSpatialLayers]; 60 uint16_t height[kMaxVp9NumberOfSpatialLayers]; 61 GofInfoVP9 gof; 62 63 // Frame reference data. 64 uint8_t num_ref_pics; 65 uint8_t p_diff[kMaxVp9RefPics]; 66 }; 67 68 struct CodecSpecificInfoGeneric { 69 uint8_t simulcast_idx; 70 }; 71 72 struct CodecSpecificInfoH264 { 73 H264PacketizationMode packetization_mode; 74 }; 75 76 union CodecSpecificInfoUnion { 77 CodecSpecificInfoGeneric generic; 78 CodecSpecificInfoVP8 VP8; 79 CodecSpecificInfoVP9 VP9; 80 CodecSpecificInfoH264 H264; 81 }; 82 83 // Note: if any pointers are added to this struct or its sub-structs, it 84 // must be fitted with a copy-constructor. This is because it is copied 85 // in the copy-constructor of VCMEncodedFrame. 86 struct CodecSpecificInfo { CodecSpecificInfoCodecSpecificInfo87 CodecSpecificInfo() : codecType(kVideoCodecUnknown), codec_name(nullptr) {} 88 VideoCodecType codecType; 89 const char* codec_name; 90 CodecSpecificInfoUnion codecSpecific; 91 }; 92 93 } // namespace webrtc 94 95 #endif // MODULES_VIDEO_CODING_INCLUDE_VIDEO_CODEC_INTERFACE_H_ 96