modules/video_processing: refactor interface->include + more.

webrtc/modules/video_processing/main/source/video_processing_impl.cc

-/*
- *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-#include "webrtc/modules/video_processing/main/source/video_processing_impl.h"
-
-#include "webrtc/base/logging.h"
-#include "webrtc/system_wrappers/include/critical_section_wrapper.h"
-
-#include <assert.h>
-
-namespace webrtc {
-
-namespace {
-void  SetSubSampling(VideoProcessingModule::FrameStats* stats,
-                     const int32_t width,
-                     const int32_t height) {
-  if (width * height >= 640 * 480) {
-    stats->subSamplWidth = 3;
-    stats->subSamplHeight = 3;
-  } else if (width * height >= 352 * 288) {
-    stats->subSamplWidth = 2;
-    stats->subSamplHeight = 2;
-  } else if (width * height >= 176 * 144) {
-    stats->subSamplWidth = 1;
-    stats->subSamplHeight = 1;
-  } else {
-    stats->subSamplWidth = 0;
-    stats->subSamplHeight = 0;
-  }
-}
-}  // namespace
-
-VideoProcessingModule* VideoProcessingModule::Create() {
-  return new VideoProcessingModuleImpl();
-}
-
-void VideoProcessingModule::Destroy(VideoProcessingModule* module) {
-  if (module)
-    delete static_cast<VideoProcessingModuleImpl*>(module);
-}
-
-VideoProcessingModuleImpl::VideoProcessingModuleImpl() {}
-VideoProcessingModuleImpl::~VideoProcessingModuleImpl() {}
-
-void VideoProcessingModuleImpl::Reset() {
-  rtc::CritScope mutex(&mutex_);
-  deflickering_.Reset();
-  brightness_detection_.Reset();
-  frame_pre_processor_.Reset();
-}
-
-int32_t VideoProcessingModule::GetFrameStats(FrameStats* stats,
-                                             const VideoFrame& frame) {
-  if (frame.IsZeroSize()) {
-    LOG(LS_ERROR) << "Zero size frame.";
-    return VPM_PARAMETER_ERROR;
-  }
-
-  int width = frame.width();
-  int height = frame.height();
-
-  ClearFrameStats(stats);  // The histogram needs to be zeroed out.
-  SetSubSampling(stats, width, height);
-
-  const uint8_t* buffer = frame.buffer(kYPlane);
-  // Compute histogram and sum of frame
-  for (int i = 0; i < height; i += (1 << stats->subSamplHeight)) {
-    int k = i * width;
-    for (int j = 0; j < width; j += (1 << stats->subSamplWidth)) {
-      stats->hist[buffer[k + j]]++;
-      stats->sum += buffer[k + j];
-    }
-  }
-
-  stats->num_pixels = (width * height) / ((1 << stats->subSamplWidth) *
-                     (1 << stats->subSamplHeight));
-  assert(stats->num_pixels > 0);
-
-  // Compute mean value of frame
-  stats->mean = stats->sum / stats->num_pixels;
-
-  return VPM_OK;
-}
-
-bool VideoProcessingModule::ValidFrameStats(const FrameStats& stats) {
-  if (stats.num_pixels == 0) {
-    LOG(LS_WARNING) << "Invalid frame stats.";
-    return false;
-  }
-  return true;
-}
-
-void VideoProcessingModule::ClearFrameStats(FrameStats* stats) {
-  stats->mean = 0;
-  stats->sum = 0;
-  stats->num_pixels = 0;
-  stats->subSamplWidth = 0;
-  stats->subSamplHeight = 0;
-  memset(stats->hist, 0, sizeof(stats->hist));
-}
-
-int32_t VideoProcessingModule::Brighten(VideoFrame* frame, int delta) {
-  return VideoProcessing::Brighten(frame, delta);
-}
-
-int32_t VideoProcessingModuleImpl::Deflickering(VideoFrame* frame,
-                                                FrameStats* stats) {
-  rtc::CritScope mutex(&mutex_);
-  return deflickering_.ProcessFrame(frame, stats);
-}
-
-int32_t VideoProcessingModuleImpl::BrightnessDetection(
-    const VideoFrame& frame,
-    const FrameStats& stats) {
-  rtc::CritScope mutex(&mutex_);
-  return brightness_detection_.ProcessFrame(frame, stats);
-}
-
-
-void VideoProcessingModuleImpl::EnableTemporalDecimation(bool enable) {
-  rtc::CritScope mutex(&mutex_);
-  frame_pre_processor_.EnableTemporalDecimation(enable);
-}
-
-
-void VideoProcessingModuleImpl::SetInputFrameResampleMode(VideoFrameResampling
-                                                          resampling_mode) {
-  rtc::CritScope cs(&mutex_);
-  frame_pre_processor_.SetInputFrameResampleMode(resampling_mode);
-}
-
-int32_t VideoProcessingModuleImpl::SetTargetResolution(uint32_t width,
-                                                       uint32_t height,
-                                                       uint32_t frame_rate) {
-  rtc::CritScope cs(&mutex_);
-  return frame_pre_processor_.SetTargetResolution(width, height, frame_rate);
-}
-
-void VideoProcessingModuleImpl::SetTargetFramerate(int frame_rate) {
-  rtc::CritScope cs(&mutex_);
-  frame_pre_processor_.SetTargetFramerate(frame_rate);
-}
-
-uint32_t VideoProcessingModuleImpl::Decimatedframe_rate() {
-  rtc::CritScope cs(&mutex_);
-  return  frame_pre_processor_.Decimatedframe_rate();
-}
-
-uint32_t VideoProcessingModuleImpl::DecimatedWidth() const {
-  rtc::CritScope cs(&mutex_);
-  return frame_pre_processor_.DecimatedWidth();
-}
-
-uint32_t VideoProcessingModuleImpl::DecimatedHeight() const {
-  rtc::CritScope cs(&mutex_);
-  return frame_pre_processor_.DecimatedHeight();
-}
-
-int32_t VideoProcessingModuleImpl::PreprocessFrame(
-    const VideoFrame& frame,
-    VideoFrame** processed_frame) {
-  rtc::CritScope mutex(&mutex_);
-  return frame_pre_processor_.PreprocessFrame(frame, processed_frame);
-}
-
-VideoContentMetrics* VideoProcessingModuleImpl::ContentMetrics() const {
-  rtc::CritScope mutex(&mutex_);
-  return frame_pre_processor_.ContentMetrics();
-}
-
-void VideoProcessingModuleImpl::EnableContentAnalysis(bool enable) {
-  rtc::CritScope mutex(&mutex_);
-  frame_pre_processor_.EnableContentAnalysis(enable);
-}
-
-}  // namespace webrtc