niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 1 | /* |
pwestin@webrtc.org | fdf21c8 | 2012-02-02 12:46:58 +0000 | [diff] [blame] | 2 | * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 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 | |
Henrik Kjellander | a74c08d | 2015-10-22 12:23:11 +0200 | [diff] [blame] | 11 | #include "webrtc/modules/video_coding/codecs/i420/include/i420.h" |
mikhal@webrtc.org | 538f0ab | 2012-07-11 18:20:39 +0000 | [diff] [blame] | 12 | |
pbos@webrtc.org | 8911ce4 | 2013-03-18 16:39:03 +0000 | [diff] [blame] | 13 | #include <limits> |
pbos@webrtc.org | a440732 | 2013-07-16 12:32:05 +0000 | [diff] [blame] | 14 | #include <string> |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 15 | |
pbos@webrtc.org | a440732 | 2013-07-16 12:32:05 +0000 | [diff] [blame] | 16 | #include "webrtc/common_video/libyuv/include/webrtc_libyuv.h" |
mikhal@webrtc.org | 538f0ab | 2012-07-11 18:20:39 +0000 | [diff] [blame] | 17 | |
pkasting@chromium.org | 4591fbd | 2014-11-20 22:28:14 +0000 | [diff] [blame] | 18 | namespace { |
| 19 | const size_t kI420HeaderSize = 4; |
| 20 | } |
| 21 | |
pbos@webrtc.org | 8911ce4 | 2013-03-18 16:39:03 +0000 | [diff] [blame] | 22 | namespace webrtc { |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 23 | |
pbos@webrtc.org | 8911ce4 | 2013-03-18 16:39:03 +0000 | [diff] [blame] | 24 | I420Encoder::I420Encoder() : _inited(false), _encodedImage(), |
| 25 | _encodedCompleteCallback(NULL) { |
| 26 | } |
mikhal@webrtc.org | b95e9ca | 2012-07-10 20:58:08 +0000 | [diff] [blame] | 27 | |
| 28 | I420Encoder::~I420Encoder() { |
| 29 | _inited = false; |
pbos@webrtc.org | 8911ce4 | 2013-03-18 16:39:03 +0000 | [diff] [blame] | 30 | delete [] _encodedImage._buffer; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 31 | } |
| 32 | |
mikhal@webrtc.org | b95e9ca | 2012-07-10 20:58:08 +0000 | [diff] [blame] | 33 | int I420Encoder::Release() { |
| 34 | // Should allocate an encoded frame and then release it here, for that we |
| 35 | // actually need an init flag. |
| 36 | if (_encodedImage._buffer != NULL) { |
| 37 | delete [] _encodedImage._buffer; |
| 38 | _encodedImage._buffer = NULL; |
| 39 | } |
| 40 | _inited = false; |
| 41 | return WEBRTC_VIDEO_CODEC_OK; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 42 | } |
| 43 | |
mikhal@webrtc.org | b95e9ca | 2012-07-10 20:58:08 +0000 | [diff] [blame] | 44 | int I420Encoder::InitEncode(const VideoCodec* codecSettings, |
mikhal@webrtc.org | a2031d5 | 2012-07-31 15:53:44 +0000 | [diff] [blame] | 45 | int /*numberOfCores*/, |
pkasting@chromium.org | 4591fbd | 2014-11-20 22:28:14 +0000 | [diff] [blame] | 46 | size_t /*maxPayloadSize */) { |
mikhal@webrtc.org | b95e9ca | 2012-07-10 20:58:08 +0000 | [diff] [blame] | 47 | if (codecSettings == NULL) { |
| 48 | return WEBRTC_VIDEO_CODEC_ERR_PARAMETER; |
| 49 | } |
| 50 | if (codecSettings->width < 1 || codecSettings->height < 1) { |
| 51 | return WEBRTC_VIDEO_CODEC_ERR_PARAMETER; |
| 52 | } |
| 53 | |
| 54 | // Allocating encoded memory. |
| 55 | if (_encodedImage._buffer != NULL) { |
| 56 | delete [] _encodedImage._buffer; |
| 57 | _encodedImage._buffer = NULL; |
| 58 | _encodedImage._size = 0; |
| 59 | } |
pkasting@chromium.org | 4591fbd | 2014-11-20 22:28:14 +0000 | [diff] [blame] | 60 | const size_t newSize = |
| 61 | CalcBufferSize(kI420, codecSettings->width, codecSettings->height) + |
| 62 | kI420HeaderSize; |
mikhal@webrtc.org | b95e9ca | 2012-07-10 20:58:08 +0000 | [diff] [blame] | 63 | uint8_t* newBuffer = new uint8_t[newSize]; |
| 64 | if (newBuffer == NULL) { |
| 65 | return WEBRTC_VIDEO_CODEC_MEMORY; |
| 66 | } |
| 67 | _encodedImage._size = newSize; |
| 68 | _encodedImage._buffer = newBuffer; |
| 69 | |
| 70 | // If no memory allocation, no point to init. |
| 71 | _inited = true; |
| 72 | return WEBRTC_VIDEO_CODEC_OK; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 73 | } |
| 74 | |
Miguel Casas-Sanchez | 4765070 | 2015-05-29 17:21:40 -0700 | [diff] [blame] | 75 | int I420Encoder::Encode(const VideoFrame& inputImage, |
mikhal@webrtc.org | 9fedff7 | 2012-10-24 18:33:04 +0000 | [diff] [blame] | 76 | const CodecSpecificInfo* /*codecSpecificInfo*/, |
pbos | 22993e1 | 2015-10-19 02:39:06 -0700 | [diff] [blame] | 77 | const std::vector<FrameType>* /*frame_types*/) { |
mikhal@webrtc.org | b95e9ca | 2012-07-10 20:58:08 +0000 | [diff] [blame] | 78 | if (!_inited) { |
| 79 | return WEBRTC_VIDEO_CODEC_UNINITIALIZED; |
| 80 | } |
| 81 | if (_encodedCompleteCallback == NULL) { |
| 82 | return WEBRTC_VIDEO_CODEC_UNINITIALIZED; |
| 83 | } |
| 84 | |
Peter Boström | 49e196a | 2015-10-23 15:58:18 +0200 | [diff] [blame] | 85 | _encodedImage._frameType = kVideoFrameKey; |
mikhal@webrtc.org | 9fedff7 | 2012-10-24 18:33:04 +0000 | [diff] [blame] | 86 | _encodedImage._timeStamp = inputImage.timestamp(); |
| 87 | _encodedImage._encodedHeight = inputImage.height(); |
| 88 | _encodedImage._encodedWidth = inputImage.width(); |
mikhal@webrtc.org | b95e9ca | 2012-07-10 20:58:08 +0000 | [diff] [blame] | 89 | |
pbos@webrtc.org | 8911ce4 | 2013-03-18 16:39:03 +0000 | [diff] [blame] | 90 | int width = inputImage.width(); |
| 91 | if (width > std::numeric_limits<uint16_t>::max()) { |
| 92 | return WEBRTC_VIDEO_CODEC_ERR_SIZE; |
| 93 | } |
| 94 | int height = inputImage.height(); |
| 95 | if (height > std::numeric_limits<uint16_t>::max()) { |
| 96 | return WEBRTC_VIDEO_CODEC_ERR_SIZE; |
mikhal@webrtc.org | b95e9ca | 2012-07-10 20:58:08 +0000 | [diff] [blame] | 97 | } |
mikhal@webrtc.org | 9fedff7 | 2012-10-24 18:33:04 +0000 | [diff] [blame] | 98 | |
pkasting@chromium.org | 4591fbd | 2014-11-20 22:28:14 +0000 | [diff] [blame] | 99 | size_t req_length = |
| 100 | CalcBufferSize(kI420, inputImage.width(), inputImage.height()) + |
| 101 | kI420HeaderSize; |
| 102 | if (_encodedImage._size > req_length) { |
pbos@webrtc.org | 8911ce4 | 2013-03-18 16:39:03 +0000 | [diff] [blame] | 103 | // Reallocate buffer. |
| 104 | delete [] _encodedImage._buffer; |
| 105 | |
| 106 | _encodedImage._buffer = new uint8_t[req_length]; |
| 107 | _encodedImage._size = req_length; |
| 108 | } |
| 109 | |
| 110 | uint8_t *buffer = _encodedImage._buffer; |
| 111 | |
| 112 | buffer = InsertHeader(buffer, width, height); |
| 113 | |
| 114 | int ret_length = ExtractBuffer(inputImage, req_length - kI420HeaderSize, |
| 115 | buffer); |
mikhal@webrtc.org | 9fedff7 | 2012-10-24 18:33:04 +0000 | [diff] [blame] | 116 | if (ret_length < 0) |
| 117 | return WEBRTC_VIDEO_CODEC_MEMORY; |
pbos@webrtc.org | 8911ce4 | 2013-03-18 16:39:03 +0000 | [diff] [blame] | 118 | _encodedImage._length = ret_length + kI420HeaderSize; |
mikhal@webrtc.org | 9fedff7 | 2012-10-24 18:33:04 +0000 | [diff] [blame] | 119 | |
changbin.shao@webrtc.org | f31f56d | 2015-02-09 09:14:03 +0000 | [diff] [blame] | 120 | _encodedCompleteCallback->Encoded(_encodedImage, NULL, NULL); |
mikhal@webrtc.org | b95e9ca | 2012-07-10 20:58:08 +0000 | [diff] [blame] | 121 | return WEBRTC_VIDEO_CODEC_OK; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 122 | } |
| 123 | |
pbos@webrtc.org | 8911ce4 | 2013-03-18 16:39:03 +0000 | [diff] [blame] | 124 | uint8_t* I420Encoder::InsertHeader(uint8_t *buffer, uint16_t width, |
| 125 | uint16_t height) { |
| 126 | *buffer++ = static_cast<uint8_t>(width >> 8); |
| 127 | *buffer++ = static_cast<uint8_t>(width & 0xFF); |
| 128 | *buffer++ = static_cast<uint8_t>(height >> 8); |
| 129 | *buffer++ = static_cast<uint8_t>(height & 0xFF); |
| 130 | return buffer; |
| 131 | } |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 132 | |
mikhal@webrtc.org | b95e9ca | 2012-07-10 20:58:08 +0000 | [diff] [blame] | 133 | int |
| 134 | I420Encoder::RegisterEncodeCompleteCallback(EncodedImageCallback* callback) { |
| 135 | _encodedCompleteCallback = callback; |
| 136 | return WEBRTC_VIDEO_CODEC_OK; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 137 | } |
| 138 | |
| 139 | |
pbos@webrtc.org | 8911ce4 | 2013-03-18 16:39:03 +0000 | [diff] [blame] | 140 | I420Decoder::I420Decoder() : _decodedImage(), _width(0), _height(0), |
| 141 | _inited(false), _decodeCompleteCallback(NULL) { |
| 142 | } |
mikhal@webrtc.org | b95e9ca | 2012-07-10 20:58:08 +0000 | [diff] [blame] | 143 | |
| 144 | I420Decoder::~I420Decoder() { |
| 145 | Release(); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 146 | } |
| 147 | |
mikhal@webrtc.org | b95e9ca | 2012-07-10 20:58:08 +0000 | [diff] [blame] | 148 | int |
| 149 | I420Decoder::Reset() { |
| 150 | return WEBRTC_VIDEO_CODEC_OK; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 151 | } |
| 152 | |
| 153 | |
mikhal@webrtc.org | b95e9ca | 2012-07-10 20:58:08 +0000 | [diff] [blame] | 154 | int |
| 155 | I420Decoder::InitDecode(const VideoCodec* codecSettings, |
| 156 | int /*numberOfCores */) { |
| 157 | if (codecSettings == NULL) { |
| 158 | return WEBRTC_VIDEO_CODEC_ERR_PARAMETER; |
| 159 | } else if (codecSettings->width < 1 || codecSettings->height < 1) { |
| 160 | return WEBRTC_VIDEO_CODEC_ERR_PARAMETER; |
| 161 | } |
| 162 | _width = codecSettings->width; |
| 163 | _height = codecSettings->height; |
| 164 | _inited = true; |
| 165 | return WEBRTC_VIDEO_CODEC_OK; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 166 | } |
| 167 | |
pbos@webrtc.org | 8911ce4 | 2013-03-18 16:39:03 +0000 | [diff] [blame] | 168 | int I420Decoder::Decode(const EncodedImage& inputImage, bool /*missingFrames*/, |
| 169 | const RTPFragmentationHeader* /*fragmentation*/, |
| 170 | const CodecSpecificInfo* /*codecSpecificInfo*/, |
| 171 | int64_t /*renderTimeMs*/) { |
mikhal@webrtc.org | b95e9ca | 2012-07-10 20:58:08 +0000 | [diff] [blame] | 172 | if (inputImage._buffer == NULL) { |
| 173 | return WEBRTC_VIDEO_CODEC_ERR_PARAMETER; |
| 174 | } |
| 175 | if (_decodeCompleteCallback == NULL) { |
| 176 | return WEBRTC_VIDEO_CODEC_UNINITIALIZED; |
| 177 | } |
| 178 | if (inputImage._length <= 0) { |
| 179 | return WEBRTC_VIDEO_CODEC_ERR_PARAMETER; |
| 180 | } |
mikhal@webrtc.org | 9e9cc72 | 2012-11-14 17:56:46 +0000 | [diff] [blame] | 181 | if (inputImage._completeFrame == false) { |
| 182 | return WEBRTC_VIDEO_CODEC_ERR_PARAMETER; |
| 183 | } |
mikhal@webrtc.org | b95e9ca | 2012-07-10 20:58:08 +0000 | [diff] [blame] | 184 | if (!_inited) { |
pbos@webrtc.org | 8911ce4 | 2013-03-18 16:39:03 +0000 | [diff] [blame] | 185 | return WEBRTC_VIDEO_CODEC_UNINITIALIZED; |
mikhal@webrtc.org | b95e9ca | 2012-07-10 20:58:08 +0000 | [diff] [blame] | 186 | } |
pbos@webrtc.org | 8685090 | 2013-03-19 11:39:03 +0000 | [diff] [blame] | 187 | if (inputImage._length < kI420HeaderSize) { |
| 188 | return WEBRTC_VIDEO_CODEC_ERROR; |
| 189 | } |
| 190 | |
pbos@webrtc.org | 8911ce4 | 2013-03-18 16:39:03 +0000 | [diff] [blame] | 191 | const uint8_t* buffer = inputImage._buffer; |
| 192 | uint16_t width, height; |
| 193 | |
| 194 | buffer = ExtractHeader(buffer, &width, &height); |
| 195 | _width = width; |
| 196 | _height = height; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 197 | |
mikhal@webrtc.org | 9e9cc72 | 2012-11-14 17:56:46 +0000 | [diff] [blame] | 198 | // Verify that the available length is sufficient: |
pkasting@chromium.org | 4591fbd | 2014-11-20 22:28:14 +0000 | [diff] [blame] | 199 | size_t req_length = CalcBufferSize(kI420, _width, _height) + kI420HeaderSize; |
pbos@webrtc.org | 8685090 | 2013-03-19 11:39:03 +0000 | [diff] [blame] | 200 | |
| 201 | if (req_length > inputImage._length) { |
mikhal@webrtc.org | 9e9cc72 | 2012-11-14 17:56:46 +0000 | [diff] [blame] | 202 | return WEBRTC_VIDEO_CODEC_ERROR; |
| 203 | } |
mikhal@webrtc.org | b95e9ca | 2012-07-10 20:58:08 +0000 | [diff] [blame] | 204 | // Set decoded image parameters. |
mikhal@webrtc.org | 9fedff7 | 2012-10-24 18:33:04 +0000 | [diff] [blame] | 205 | int half_width = (_width + 1) / 2; |
mikhal@webrtc.org | 658d423 | 2013-01-08 19:19:59 +0000 | [diff] [blame] | 206 | _decodedImage.CreateEmptyFrame(_width, _height, |
| 207 | _width, half_width, half_width); |
pbos@webrtc.org | 8911ce4 | 2013-03-18 16:39:03 +0000 | [diff] [blame] | 208 | // Converting from buffer to plane representation. |
guoweis@webrtc.org | 59140d6 | 2015-03-09 17:07:31 +0000 | [diff] [blame] | 209 | int ret = ConvertToI420(kI420, buffer, 0, 0, _width, _height, 0, |
| 210 | kVideoRotation_0, &_decodedImage); |
mikhal@webrtc.org | 9fedff7 | 2012-10-24 18:33:04 +0000 | [diff] [blame] | 211 | if (ret < 0) { |
mikhal@webrtc.org | a2031d5 | 2012-07-31 15:53:44 +0000 | [diff] [blame] | 212 | return WEBRTC_VIDEO_CODEC_MEMORY; |
| 213 | } |
mikhal@webrtc.org | 9fedff7 | 2012-10-24 18:33:04 +0000 | [diff] [blame] | 214 | _decodedImage.set_timestamp(inputImage._timeStamp); |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 215 | |
magjed@webrtc.org | 2056ee3 | 2015-03-16 13:46:52 +0000 | [diff] [blame] | 216 | _decodeCompleteCallback->Decoded(_decodedImage); |
mikhal@webrtc.org | b95e9ca | 2012-07-10 20:58:08 +0000 | [diff] [blame] | 217 | return WEBRTC_VIDEO_CODEC_OK; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 218 | } |
| 219 | |
pbos@webrtc.org | 8911ce4 | 2013-03-18 16:39:03 +0000 | [diff] [blame] | 220 | const uint8_t* I420Decoder::ExtractHeader(const uint8_t* buffer, |
| 221 | uint16_t* width, uint16_t* height) { |
| 222 | *width = static_cast<uint16_t>(*buffer++) << 8; |
| 223 | *width |= *buffer++; |
| 224 | *height = static_cast<uint16_t>(*buffer++) << 8; |
| 225 | *height |= *buffer++; |
| 226 | |
| 227 | return buffer; |
| 228 | } |
| 229 | |
| 230 | int I420Decoder::RegisterDecodeCompleteCallback( |
| 231 | DecodedImageCallback* callback) { |
mikhal@webrtc.org | b95e9ca | 2012-07-10 20:58:08 +0000 | [diff] [blame] | 232 | _decodeCompleteCallback = callback; |
| 233 | return WEBRTC_VIDEO_CODEC_OK; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 234 | } |
| 235 | |
pbos@webrtc.org | 8911ce4 | 2013-03-18 16:39:03 +0000 | [diff] [blame] | 236 | int I420Decoder::Release() { |
mikhal@webrtc.org | b95e9ca | 2012-07-10 20:58:08 +0000 | [diff] [blame] | 237 | _inited = false; |
| 238 | return WEBRTC_VIDEO_CODEC_OK; |
niklase@google.com | 470e71d | 2011-07-07 08:21:25 +0000 | [diff] [blame] | 239 | } |
pbos@webrtc.org | 8911ce4 | 2013-03-18 16:39:03 +0000 | [diff] [blame] | 240 | } // namespace webrtc |