agsantos | d09cc6d | 2020-11-06 17:34:46 -0500 | [diff] [blame^] | 1 | /** |
| 2 | * Copyright (C) 2020 Savoir-faire Linux Inc. |
| 3 | * |
| 4 | * Author: Aline Gondim Santos <aline.gondimsantos@savoirfairelinux.com> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 3 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 19 | */ |
| 20 | |
| 21 | #include "CenterCircleVideoSubscriber.h" |
| 22 | |
| 23 | extern "C" { |
| 24 | #include <libavutil/display.h> |
| 25 | } |
| 26 | #include <accel.h> |
| 27 | |
| 28 | // LOGGING |
| 29 | #include <pluglog.h> |
| 30 | |
| 31 | #include <stdio.h> |
| 32 | #include <opencv2/imgproc.hpp> |
| 33 | |
| 34 | const std::string TAG = "CenterCircle"; |
| 35 | const char sep = separator(); |
| 36 | |
| 37 | namespace jami { |
| 38 | |
| 39 | CenterCircleVideoSubscriber::CenterCircleVideoSubscriber(const std::string& dataPath) |
| 40 | : path_ {dataPath} |
| 41 | {} |
| 42 | |
| 43 | CenterCircleVideoSubscriber::~CenterCircleVideoSubscriber() |
| 44 | { |
| 45 | std::ostringstream oss; |
| 46 | oss << "~CenterCircleMediaProcessor" << std::endl; |
| 47 | Plog::log(Plog::LogPriority::INFO, TAG, oss.str()); |
| 48 | } |
| 49 | |
| 50 | void |
| 51 | CenterCircleVideoSubscriber::update(jami::Observable<AVFrame*>*, AVFrame* const& iFrame) |
| 52 | { |
| 53 | if (!iFrame) |
| 54 | return; |
| 55 | AVFrame* pluginFrame = const_cast<AVFrame*>(iFrame); |
| 56 | |
| 57 | //====================================================================================== |
| 58 | // GET FRAME ROTATION |
| 59 | AVFrameSideData* side_data = av_frame_get_side_data(iFrame, AV_FRAME_DATA_DISPLAYMATRIX); |
| 60 | |
| 61 | int angle {0}; |
| 62 | if (side_data) { |
| 63 | auto matrix_rotation = reinterpret_cast<int32_t*>(side_data->data); |
| 64 | angle = static_cast<int>(av_display_rotation_get(matrix_rotation)); |
| 65 | } |
| 66 | |
| 67 | //====================================================================================== |
| 68 | // GET RAW FRAME |
| 69 | // Use a non-const Frame |
| 70 | // Convert input frame to RGB |
| 71 | int inputHeight = pluginFrame->height; |
| 72 | int inputWidth = pluginFrame->width; |
| 73 | |
| 74 | FrameUniquePtr bgrFrame = scaler.convertFormat(transferToMainMemory(pluginFrame, |
| 75 | AV_PIX_FMT_NV12), |
| 76 | AV_PIX_FMT_RGB24); |
| 77 | resultFrame = cv::Mat {bgrFrame->height, |
| 78 | bgrFrame->width, |
| 79 | CV_8UC3, |
| 80 | bgrFrame->data[0], |
| 81 | static_cast<size_t>(bgrFrame->linesize[0])}; |
| 82 | |
| 83 | // First clone the frame as the original one is unusable because of |
| 84 | // linespace |
| 85 | processingFrame = resultFrame.clone(); |
| 86 | |
| 87 | if (firstRun) { |
| 88 | // we set were the circle will be draw. |
| 89 | circlePos.y = static_cast<int>(inputHeight / 2); |
| 90 | circlePos.x = static_cast<int>(inputWidth / 2); |
| 91 | int w = resultFrame.size().width; |
| 92 | int h = resultFrame.size().height; |
| 93 | radius = std::min(w, h) / 8; |
| 94 | firstRun = false; |
| 95 | } |
| 96 | |
| 97 | drawCenterCircle(); |
| 98 | copyByLine(bgrFrame->linesize[0]); |
| 99 | |
| 100 | //====================================================================================== |
| 101 | // REPLACE AVFRAME DATA WITH FRAME DATA |
| 102 | if (bgrFrame && bgrFrame->data[0]) { |
| 103 | uint8_t* frameData = bgrFrame->data[0]; |
| 104 | if (angle == 90 || angle == -90) { |
| 105 | std::memmove(frameData, |
| 106 | resultFrame.data, |
| 107 | static_cast<size_t>(pluginFrame->width * pluginFrame->height * 3) |
| 108 | * sizeof(uint8_t)); |
| 109 | } |
| 110 | } |
| 111 | // Copy Frame meta data |
| 112 | if (bgrFrame && pluginFrame) { |
| 113 | av_frame_copy_props(bgrFrame.get(), pluginFrame); |
| 114 | scaler.moveFrom(pluginFrame, bgrFrame.get()); |
| 115 | } |
| 116 | |
| 117 | // Remove the pointer |
| 118 | pluginFrame = nullptr; |
| 119 | } |
| 120 | |
| 121 | void |
| 122 | CenterCircleVideoSubscriber::setColor(const std::string& color) |
| 123 | { |
| 124 | int r, g, b = 0; |
| 125 | std::sscanf(color.c_str(), "#%02x%02x%02x", &r, &g, &b); |
| 126 | baseColor = cv::Scalar(r, g, b); |
| 127 | Plog::log(Plog::LogPriority::INFO, TAG, "Color set to: " + color); |
| 128 | } |
| 129 | |
| 130 | void |
| 131 | CenterCircleVideoSubscriber::copyByLine(const int lineSize) |
| 132 | { |
| 133 | if (3 * processingFrame.cols == lineSize) { |
| 134 | std::memcpy(resultFrame.data, |
| 135 | processingFrame.data, |
| 136 | processingFrame.rows * processingFrame.cols * 3); |
| 137 | } else { |
| 138 | int rows = processingFrame.rows; |
| 139 | int offset = 0; |
| 140 | int frameOffset = 0; |
| 141 | for (int i = 0; i < rows; i++) { |
| 142 | std::memcpy(resultFrame.data + offset, processingFrame.data + frameOffset, lineSize); |
| 143 | offset += lineSize; |
| 144 | frameOffset += 3 * processingFrame.cols; |
| 145 | } |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | void |
| 150 | CenterCircleVideoSubscriber::drawCenterCircle() |
| 151 | { |
| 152 | if (!processingFrame.empty()) { |
| 153 | cv::circle(processingFrame, circlePos, radius, baseColor, cv::FILLED); |
| 154 | } |
| 155 | } |
| 156 | |
| 157 | void |
| 158 | CenterCircleVideoSubscriber::attached(jami::Observable<AVFrame*>* observable) |
| 159 | { |
| 160 | std::ostringstream oss; |
| 161 | oss << "::Attached ! " << std::endl; |
| 162 | Plog::log(Plog::LogPriority::INFO, TAG, oss.str()); |
| 163 | observable_ = observable; |
| 164 | } |
| 165 | |
| 166 | void |
| 167 | CenterCircleVideoSubscriber::detached(jami::Observable<AVFrame*>*) |
| 168 | { |
| 169 | firstRun = true; |
| 170 | observable_ = nullptr; |
| 171 | std::ostringstream oss; |
| 172 | oss << "::Detached()" << std::endl; |
| 173 | Plog::log(Plog::LogPriority::INFO, TAG, oss.str()); |
| 174 | } |
| 175 | |
| 176 | void |
| 177 | CenterCircleVideoSubscriber::detach() |
| 178 | { |
| 179 | if (observable_) { |
| 180 | firstRun = true; |
| 181 | std::ostringstream oss; |
| 182 | oss << "::Calling detach()" << std::endl; |
| 183 | Plog::log(Plog::LogPriority::INFO, TAG, oss.str()); |
| 184 | observable_->detach(this); |
| 185 | } |
| 186 | } |
| 187 | } // namespace jami |