Line data Source code
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 : #include "webrtc/modules/video_coding/include/video_coding_defines.h"
12 : #include "webrtc/modules/video_coding/encoded_frame.h"
13 : #include "webrtc/modules/video_coding/generic_encoder.h"
14 : #include "webrtc/modules/video_coding/jitter_buffer_common.h"
15 :
16 : namespace webrtc {
17 :
18 0 : VCMEncodedFrame::VCMEncodedFrame()
19 : : webrtc::EncodedImage(),
20 : _renderTimeMs(-1),
21 : _payloadType(0),
22 : _missingFrame(false),
23 : _codec(kVideoCodecUnknown),
24 0 : _rotation_set(false) {
25 0 : _codecSpecificInfo.codecType = kVideoCodecUnknown;
26 0 : }
27 :
28 0 : VCMEncodedFrame::VCMEncodedFrame(const webrtc::EncodedImage& rhs)
29 : : webrtc::EncodedImage(rhs),
30 : _renderTimeMs(-1),
31 : _payloadType(0),
32 : _missingFrame(false),
33 : _codec(kVideoCodecUnknown),
34 0 : _rotation_set(false) {
35 0 : _codecSpecificInfo.codecType = kVideoCodecUnknown;
36 0 : _buffer = NULL;
37 0 : _size = 0;
38 0 : _length = 0;
39 0 : if (rhs._buffer != NULL) {
40 0 : VerifyAndAllocate(rhs._length +
41 0 : EncodedImage::GetBufferPaddingBytes(_codec));
42 0 : memcpy(_buffer, rhs._buffer, rhs._length);
43 : }
44 0 : }
45 :
46 0 : VCMEncodedFrame::VCMEncodedFrame(const VCMEncodedFrame& rhs)
47 : : webrtc::EncodedImage(rhs),
48 0 : _renderTimeMs(rhs._renderTimeMs),
49 0 : _payloadType(rhs._payloadType),
50 0 : _missingFrame(rhs._missingFrame),
51 : _codecSpecificInfo(rhs._codecSpecificInfo),
52 0 : _codec(rhs._codec),
53 0 : _rotation_set(rhs._rotation_set) {
54 0 : _buffer = NULL;
55 0 : _size = 0;
56 0 : _length = 0;
57 0 : if (rhs._buffer != NULL) {
58 0 : VerifyAndAllocate(rhs._length +
59 0 : EncodedImage::GetBufferPaddingBytes(_codec));
60 0 : memcpy(_buffer, rhs._buffer, rhs._length);
61 0 : _length = rhs._length;
62 : }
63 0 : }
64 :
65 0 : VCMEncodedFrame::~VCMEncodedFrame() {
66 0 : Free();
67 0 : }
68 :
69 0 : void VCMEncodedFrame::Free() {
70 0 : Reset();
71 0 : if (_buffer != NULL) {
72 0 : delete[] _buffer;
73 0 : _buffer = NULL;
74 : }
75 0 : }
76 :
77 0 : void VCMEncodedFrame::Reset() {
78 0 : _renderTimeMs = -1;
79 0 : _timeStamp = 0;
80 0 : _payloadType = 0;
81 0 : _frameType = kVideoFrameDelta;
82 0 : _encodedWidth = 0;
83 0 : _encodedHeight = 0;
84 0 : _completeFrame = false;
85 0 : _missingFrame = false;
86 0 : _length = 0;
87 0 : _codecSpecificInfo.codecType = kVideoCodecUnknown;
88 0 : _codec = kVideoCodecUnknown;
89 0 : rotation_ = kVideoRotation_0;
90 0 : _rotation_set = false;
91 0 : }
92 :
93 0 : void VCMEncodedFrame::CopyCodecSpecific(const RTPVideoHeader* header) {
94 0 : if (header) {
95 0 : switch (header->codec) {
96 : case kRtpVideoVp8: {
97 0 : if (_codecSpecificInfo.codecType != kVideoCodecVP8) {
98 : // This is the first packet for this frame.
99 0 : _codecSpecificInfo.codecSpecific.VP8.pictureId = -1;
100 0 : _codecSpecificInfo.codecSpecific.VP8.temporalIdx = 0;
101 0 : _codecSpecificInfo.codecSpecific.VP8.layerSync = false;
102 0 : _codecSpecificInfo.codecSpecific.VP8.keyIdx = -1;
103 0 : _codecSpecificInfo.codecType = kVideoCodecVP8;
104 : }
105 0 : _codecSpecificInfo.codecSpecific.VP8.nonReference =
106 0 : header->codecHeader.VP8.nonReference;
107 0 : if (header->codecHeader.VP8.pictureId != kNoPictureId) {
108 0 : _codecSpecificInfo.codecSpecific.VP8.pictureId =
109 0 : header->codecHeader.VP8.pictureId;
110 : }
111 0 : if (header->codecHeader.VP8.temporalIdx != kNoTemporalIdx) {
112 0 : _codecSpecificInfo.codecSpecific.VP8.temporalIdx =
113 0 : header->codecHeader.VP8.temporalIdx;
114 0 : _codecSpecificInfo.codecSpecific.VP8.layerSync =
115 0 : header->codecHeader.VP8.layerSync;
116 : }
117 0 : if (header->codecHeader.VP8.keyIdx != kNoKeyIdx) {
118 0 : _codecSpecificInfo.codecSpecific.VP8.keyIdx =
119 0 : header->codecHeader.VP8.keyIdx;
120 : }
121 0 : break;
122 : }
123 : case kRtpVideoVp9: {
124 0 : if (_codecSpecificInfo.codecType != kVideoCodecVP9) {
125 : // This is the first packet for this frame.
126 0 : _codecSpecificInfo.codecSpecific.VP9.picture_id = -1;
127 0 : _codecSpecificInfo.codecSpecific.VP9.temporal_idx = 0;
128 0 : _codecSpecificInfo.codecSpecific.VP9.spatial_idx = 0;
129 0 : _codecSpecificInfo.codecSpecific.VP9.gof_idx = 0;
130 0 : _codecSpecificInfo.codecSpecific.VP9.inter_layer_predicted = false;
131 0 : _codecSpecificInfo.codecSpecific.VP9.tl0_pic_idx = -1;
132 0 : _codecSpecificInfo.codecType = kVideoCodecVP9;
133 : }
134 0 : _codecSpecificInfo.codecSpecific.VP9.inter_pic_predicted =
135 0 : header->codecHeader.VP9.inter_pic_predicted;
136 0 : _codecSpecificInfo.codecSpecific.VP9.flexible_mode =
137 0 : header->codecHeader.VP9.flexible_mode;
138 0 : _codecSpecificInfo.codecSpecific.VP9.num_ref_pics =
139 0 : header->codecHeader.VP9.num_ref_pics;
140 0 : for (uint8_t r = 0; r < header->codecHeader.VP9.num_ref_pics; ++r) {
141 0 : _codecSpecificInfo.codecSpecific.VP9.p_diff[r] =
142 0 : header->codecHeader.VP9.pid_diff[r];
143 : }
144 0 : _codecSpecificInfo.codecSpecific.VP9.ss_data_available =
145 0 : header->codecHeader.VP9.ss_data_available;
146 0 : if (header->codecHeader.VP9.picture_id != kNoPictureId) {
147 0 : _codecSpecificInfo.codecSpecific.VP9.picture_id =
148 0 : header->codecHeader.VP9.picture_id;
149 : }
150 0 : if (header->codecHeader.VP9.tl0_pic_idx != kNoTl0PicIdx) {
151 0 : _codecSpecificInfo.codecSpecific.VP9.tl0_pic_idx =
152 0 : header->codecHeader.VP9.tl0_pic_idx;
153 : }
154 0 : if (header->codecHeader.VP9.temporal_idx != kNoTemporalIdx) {
155 0 : _codecSpecificInfo.codecSpecific.VP9.temporal_idx =
156 0 : header->codecHeader.VP9.temporal_idx;
157 0 : _codecSpecificInfo.codecSpecific.VP9.temporal_up_switch =
158 0 : header->codecHeader.VP9.temporal_up_switch;
159 : }
160 0 : if (header->codecHeader.VP9.spatial_idx != kNoSpatialIdx) {
161 0 : _codecSpecificInfo.codecSpecific.VP9.spatial_idx =
162 0 : header->codecHeader.VP9.spatial_idx;
163 0 : _codecSpecificInfo.codecSpecific.VP9.inter_layer_predicted =
164 0 : header->codecHeader.VP9.inter_layer_predicted;
165 : }
166 0 : if (header->codecHeader.VP9.gof_idx != kNoGofIdx) {
167 0 : _codecSpecificInfo.codecSpecific.VP9.gof_idx =
168 0 : header->codecHeader.VP9.gof_idx;
169 : }
170 0 : if (header->codecHeader.VP9.ss_data_available) {
171 0 : _codecSpecificInfo.codecSpecific.VP9.num_spatial_layers =
172 0 : header->codecHeader.VP9.num_spatial_layers;
173 : _codecSpecificInfo.codecSpecific.VP9
174 0 : .spatial_layer_resolution_present =
175 0 : header->codecHeader.VP9.spatial_layer_resolution_present;
176 0 : if (header->codecHeader.VP9.spatial_layer_resolution_present) {
177 0 : for (size_t i = 0; i < header->codecHeader.VP9.num_spatial_layers;
178 : ++i) {
179 0 : _codecSpecificInfo.codecSpecific.VP9.width[i] =
180 0 : header->codecHeader.VP9.width[i];
181 0 : _codecSpecificInfo.codecSpecific.VP9.height[i] =
182 0 : header->codecHeader.VP9.height[i];
183 : }
184 : }
185 0 : _codecSpecificInfo.codecSpecific.VP9.gof.CopyGofInfoVP9(
186 0 : header->codecHeader.VP9.gof);
187 : }
188 0 : break;
189 : }
190 : case kRtpVideoH264: {
191 0 : _codecSpecificInfo.codecType = kVideoCodecH264;
192 0 : break;
193 : }
194 : default: {
195 0 : _codecSpecificInfo.codecType = kVideoCodecUnknown;
196 0 : break;
197 : }
198 : }
199 : }
200 0 : }
201 :
202 0 : void VCMEncodedFrame::VerifyAndAllocate(size_t minimumSize) {
203 0 : if (minimumSize > _size) {
204 : // create buffer of sufficient size
205 0 : uint8_t* newBuffer = new uint8_t[minimumSize];
206 0 : if (_buffer) {
207 : // copy old data
208 0 : memcpy(newBuffer, _buffer, _size);
209 0 : delete[] _buffer;
210 : }
211 0 : _buffer = newBuffer;
212 0 : _size = minimumSize;
213 : }
214 0 : }
215 :
216 : } // namespace webrtc
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