Delete unused YuvFrameGenerator class.
NOTRY=True # android_arm64_rel bot not cooperating BUG= Review-Url: https://codereview.webrtc.org/2044703007 Cr-Commit-Position: refs/heads/master@{#13100}
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@ -89,8 +89,6 @@ source_set("rtc_media") {
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"base/videorenderer.h",
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"base/videosourcebase.cc",
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"base/videosourcebase.h",
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"base/yuvframegenerator.cc",
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"base/yuvframegenerator.h",
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"devices/videorendererfactory.h",
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"engine/nullwebrtcvideoengine.h",
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"engine/simulcast.cc",
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@ -1,277 +0,0 @@
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/*
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* Copyright (c) 2004 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/media/base/yuvframegenerator.h"
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#include <string.h>
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#include <sstream>
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#include "webrtc/base/basictypes.h"
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#include "webrtc/base/common.h"
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namespace cricket {
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// These values were figured out by trial and error. If you change any
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// basic parameters e.g. unit-bar size or bars-x-offset, you may need to change
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// background-width/background-height.
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const int kBarcodeBackgroundWidth = 160;
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const int kBarcodeBackgroundHeight = 100;
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const int kBarsXOffset = 12;
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const int kBarsYOffset = 4;
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const int kUnitBarSize = 2;
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const int kBarcodeNormalBarHeight = 80;
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const int kBarcodeGuardBarHeight = 96;
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const int kBarcodeMaxEncodableDigits = 7;
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YuvFrameGenerator::YuvFrameGenerator(int width, int height,
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bool enable_barcode) {
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width_ = width;
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height_ = height;
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frame_index_ = 0;
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int size = width_ * height_;
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int qsize = size / 4;
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frame_data_size_ = size + 2 * qsize;
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y_data_ = new uint8_t[size];
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u_data_ = new uint8_t[qsize];
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v_data_ = new uint8_t[qsize];
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if (enable_barcode) {
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ASSERT(width_ >= kBarcodeBackgroundWidth);
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ASSERT(height_>= kBarcodeBackgroundHeight);
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barcode_start_x_ = 0;
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barcode_start_y_ = height_ - kBarcodeBackgroundHeight;
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} else {
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barcode_start_x_ = -1;
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barcode_start_y_ = -1;
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}
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}
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YuvFrameGenerator::~YuvFrameGenerator() {
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delete y_data_;
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delete u_data_;
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delete v_data_;
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}
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void YuvFrameGenerator::GenerateNextFrame(uint8_t* frame_buffer,
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int32_t barcode_value) {
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int size = width_ * height_;
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int qsize = size / 4;
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memset(y_data_, 0, size);
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memset(u_data_, 0, qsize);
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memset(v_data_, 0, qsize);
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DrawLandscape(y_data_, width_, height_);
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DrawGradientX(u_data_, width_/2, height_/2);
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DrawGradientY(v_data_, width_/2, height_/2);
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DrawMovingLineX(u_data_, width_/2, height_/2, frame_index_);
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DrawMovingLineY(v_data_, width_/2, height_/2, frame_index_);
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DrawBouncingCube(y_data_, width_, height_, frame_index_);
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if (barcode_value >= 0) {
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ASSERT(barcode_start_x_ != -1);
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DrawBarcode(barcode_value);
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}
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memcpy(frame_buffer, y_data_, size);
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frame_buffer += size;
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memcpy(frame_buffer, u_data_, qsize);
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frame_buffer += qsize;
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memcpy(frame_buffer, v_data_, qsize);
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frame_index_ = (frame_index_ + 1) & 0x0000FFFF;
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}
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void YuvFrameGenerator::DrawLandscape(uint8_t* p, int w, int h) {
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int x, y;
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for (y = 0; y < h; y++) {
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for (x = 0; x < w; x++) {
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p[x + y * w] = x % (y+1);
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if (((x > w / 2 - (w / 32)) && (x < w / 2 + (w / 32))) ||
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((y > h / 2 - (h / 32)) && (y < h / 2 + (h / 32)))) {
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p[x + y * w] = (((x + y) / 8 % 2)) ? 255 : 0;
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}
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}
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}
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}
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void YuvFrameGenerator::DrawGradientX(uint8_t* p, int w, int h) {
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int x, y;
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for (y = 0; y < h; y++) {
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for (x = 0; x < w; x++) {
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p[x + y * w] = (x << 8) / w;
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}
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}
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}
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void YuvFrameGenerator::DrawGradientY(uint8_t* p, int w, int h) {
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int x, y;
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for (y = 0; y < h; y++) {
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for (x = 0; x < w; x++) {
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p[x + y * w] = (y << 8) / h;
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}
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}
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}
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void YuvFrameGenerator::DrawMovingLineX(uint8_t* p, int w, int h, int n) {
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int x, y;
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x = n % (w * 2);
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if (x >= w) x = w + w - x - 1;
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for (y = 0; y < h; y++) {
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p[x + y * w] = 255;
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}
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}
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void YuvFrameGenerator::DrawMovingLineY(uint8_t* p, int w, int h, int n) {
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int x, y;
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y = n % (h * 2);
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if (y >= h) y = h + h - y - 1;
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for (x = 0; x < w; x++) {
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p[x + y * w] = 255;
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}
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}
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void YuvFrameGenerator::DrawBouncingCube(uint8_t* p, int w, int h, int n) {
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int x, y, pw, ph, px, py;
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pw = w / 16;
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ph = h / 16;
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px = n % (w * 2);
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py = n % (h * 2);
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if (px >= w) px = w + w - px - 1;
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if (py >= h) py = h + h - py - 1;
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for (y = py - ph; y < py + ph; y++) {
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if (y >=0 && y < h) {
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for (x = px - pw; x < px + pw; x++) {
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if (x >= 0 && x < w) {
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p[x + y * w] = 255;
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}
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}
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}
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}
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}
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void YuvFrameGenerator::GetBarcodeBounds(int* top, int* left,
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int* width, int* height) {
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ASSERT(barcode_start_x_ != -1);
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*top = barcode_start_y_;
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*left = barcode_start_x_;
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*width = kBarcodeBackgroundWidth;
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*height = kBarcodeBackgroundHeight;
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}
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static void ComputeBarcodeDigits(uint32_t value, std::stringstream* result) {
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// Serialize |value| as 7-char string, padded with 0's to the left.
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result->width(kBarcodeMaxEncodableDigits);
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result->fill('0');
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*result << value;
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// Compute check-digit and append to result. Steps described here:
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// http://en.wikipedia.org/wiki/European_Article_Number#Calculation_of_checksum_digit
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int sum = 0;
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for (int pos = 1; pos <= kBarcodeMaxEncodableDigits; pos++) {
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char next_char;
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result->get(next_char);
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uint8_t digit = next_char - '0';
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sum += digit * (pos % 2 ? 3 : 1);
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}
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uint8_t check_digit = sum % 10;
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if (check_digit != 0) {
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check_digit = 10 - check_digit;
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}
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*result << static_cast<int>(check_digit);
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result->seekg(0);
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}
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void YuvFrameGenerator::DrawBarcode(uint32_t value) {
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std::stringstream value_str_stream;
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ComputeBarcodeDigits(value, &value_str_stream);
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// Draw white filled rectangle as background to barcode.
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DrawBlockRectangle(y_data_, barcode_start_x_, barcode_start_y_,
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kBarcodeBackgroundWidth, kBarcodeBackgroundHeight,
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width_, 255);
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DrawBlockRectangle(u_data_, barcode_start_x_ / 2, barcode_start_y_ / 2,
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kBarcodeBackgroundWidth / 2, kBarcodeBackgroundHeight / 2,
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width_ / 2, 128);
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DrawBlockRectangle(v_data_, barcode_start_x_ / 2, barcode_start_y_ / 2,
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kBarcodeBackgroundWidth / 2, kBarcodeBackgroundHeight / 2,
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width_ / 2, 128);
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// Scan through chars (digits) and draw black bars.
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int x = barcode_start_x_ + kBarsXOffset;
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int y = barcode_start_y_ + kBarsYOffset;
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int pos = 0;
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x = DrawSideGuardBars(x, y, kBarcodeGuardBarHeight);
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while (true) {
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char next_char;
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value_str_stream.get(next_char);
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if (!value_str_stream.good()) {
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break;
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}
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if (pos++ == 4) {
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x = DrawMiddleGuardBars(x, y, kBarcodeGuardBarHeight);
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}
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uint8_t digit = next_char - '0';
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x = DrawEanEncodedDigit(digit, x, y, kBarcodeNormalBarHeight, pos > 4);
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}
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x = DrawSideGuardBars(x, y, kBarcodeGuardBarHeight);
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}
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int YuvFrameGenerator::DrawMiddleGuardBars(int x, int y, int height) {
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x += kUnitBarSize;
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DrawBlockRectangle(y_data_, x, y, kUnitBarSize, height, width_, 0);
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x += (kUnitBarSize * 2);
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DrawBlockRectangle(y_data_, x, y, kUnitBarSize, height, width_, 0);
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return x + (kUnitBarSize * 2);
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}
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int YuvFrameGenerator::DrawSideGuardBars(int x, int y, int height) {
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DrawBlockRectangle(y_data_, x, y, kUnitBarSize, height, width_, 0);
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x += (kUnitBarSize * 2);
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DrawBlockRectangle(y_data_, x, y, kUnitBarSize, height, width_, 0);
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return x + kUnitBarSize;
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}
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// For each digit: 0-9, |kEanEncodings| contains a bit-mask indicating
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// which bars are black (1) and which are blank (0). These are for the L-code
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// only. R-code values are bitwise negation of these. Reference:
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// http://en.wikipedia.org/wiki/European_Article_Number#Binary_encoding_of_data_digits_into_EAN-13_barcode // NOLINT
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const uint8_t kEanEncodings[] = {13, 25, 19, 61, 35, 49, 47, 59, 55, 11};
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int YuvFrameGenerator::DrawEanEncodedDigit(int digit, int x, int y,
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int height, bool flip) {
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uint8_t ean_encoding = kEanEncodings[digit];
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if (flip) {
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ean_encoding = ~ean_encoding;
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}
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uint8_t mask = 0x40;
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for (int i = 6; i >= 0; i--, mask >>= 1) {
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if (ean_encoding & mask) {
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DrawBlockRectangle(y_data_, x, y, kUnitBarSize, height, width_, 0);
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}
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x += kUnitBarSize;
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}
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return x;
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}
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void YuvFrameGenerator::DrawBlockRectangle(uint8_t* p,
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int x_start,
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int y_start,
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int width,
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int height,
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int pitch,
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uint8_t value) {
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for (int x = x_start; x < x_start + width; x++) {
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for (int y = y_start; y < y_start + height; y++) {
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p[x + y * pitch] = value;
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}
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}
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}
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} // namespace cricket
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@ -1,94 +0,0 @@
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/*
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* Copyright (c) 2010 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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// Generates YUV420 frames with a "landscape with striped crosshair" in the
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// Y-plane, plus a horizontal gradient in the U-plane and a vertical one in the
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// V-plane. This makes for a nice mix of colours that is suited for both
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// catching visual errors and making sure e.g. YUV->RGB/BGR conversion looks
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// the same on different platforms.
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// There is also a solid box bouncing around in the Y-plane, and two differently
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// coloured lines bouncing horizontally and vertically in the U and V plane.
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// This helps illustrating how the frame boundary goes, and can aid as a quite
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// handy visual help for noticing e.g. packet loss if the frames are encoded
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// and sent over the network.
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#ifndef WEBRTC_MEDIA_BASE_YUVFRAMEGENERATOR_H_
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#define WEBRTC_MEDIA_BASE_YUVFRAMEGENERATOR_H_
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#include "webrtc/base/basictypes.h"
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#include "webrtc/base/constructormagic.h"
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namespace cricket {
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class YuvFrameGenerator {
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public:
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// Constructs a frame-generator that produces frames of size |width|x|height|.
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// If |enable_barcode| is specified, barcodes can be included in the frames
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// when calling |GenerateNextFrame(uint8_t*, uint32_t)|. If |enable_barcode|
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// is |true| then |width|x|height| should be at least 160x100; otherwise this
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// constructor will abort.
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YuvFrameGenerator(int width, int height, bool enable_barcode);
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~YuvFrameGenerator();
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int GetFrameSize() { return frame_data_size_; }
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// Generate the next frame and return it in the provided |frame_buffer|. If
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// barcode_value is not |nullptr| the value referred by it will be encoded
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// into a barcode in the frame. The value should in the range:
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// [0..9,999,999]. If the value exceeds this range or barcodes were not
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// requested in the constructor, this function will abort.
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void GenerateNextFrame(uint8_t* frame_buffer, int32_t barcode_value);
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int GetHeight() { return height_; }
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int GetWidth() { return width_; }
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// Fetch the bounds of the barcode from the generator. The barcode will
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// always be at this location. This function will abort if barcodes were not
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// requested in the constructor.
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void GetBarcodeBounds(int* top, int* left, int* width, int* height);
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private:
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void DrawLandscape(uint8_t* p, int w, int h);
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void DrawGradientX(uint8_t* p, int w, int h);
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void DrawGradientY(uint8_t* p, int w, int h);
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void DrawMovingLineX(uint8_t* p, int w, int h, int n);
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void DrawMovingLineY(uint8_t* p, int w, int h, int n);
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void DrawBouncingCube(uint8_t* p, int w, int h, int n);
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void DrawBarcode(uint32_t value);
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int DrawSideGuardBars(int x, int y, int height);
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int DrawMiddleGuardBars(int x, int y, int height);
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int DrawEanEncodedDigit(int digit, int x, int y, int height, bool r_code);
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void DrawBlockRectangle(uint8_t* p,
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int x_start,
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int y_start,
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int width,
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int height,
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int pitch,
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uint8_t value);
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private:
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int width_;
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int height_;
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int frame_index_;
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int frame_data_size_;
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uint8_t* y_data_;
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uint8_t* u_data_;
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uint8_t* v_data_;
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int barcode_start_x_;
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int barcode_start_y_;
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RTC_DISALLOW_COPY_AND_ASSIGN(YuvFrameGenerator);
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};
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} // namespace cricket
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#endif // WEBRTC_MEDIA_BASE_YUVFRAMEGENERATOR_H_
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@ -67,8 +67,6 @@
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'base/videoframefactory.h',
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'base/videosourcebase.cc',
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'base/videosourcebase.h',
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'base/yuvframegenerator.cc',
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'base/yuvframegenerator.h',
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'devices/videorendererfactory.h',
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'engine/nullwebrtcvideoengine.h',
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'engine/simulcast.cc',
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