Move webrtc/{tools => rtc_tools}

webrtc/tools/converter/converter.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 <stdio.h>
-#include <stdlib.h>
-#include <sys/stat.h>
-
-#include <iomanip>
-#include <sstream>
-
-#include "webrtc/tools/converter/converter.h"
-
-#ifdef WIN32
-#define SEPARATOR '\\'
-#define STAT _stat
-#else
-#define SEPARATOR '/'
-#define STAT stat
-#endif
-
-namespace webrtc {
-namespace test {
-
-Converter::Converter(int width, int height)
-    : width_(width),
-      height_(height) {
-}
-
-bool Converter::ConvertRGBAToI420Video(std::string frames_dir,
-                                       std::string output_file_name,
-                                       bool delete_frames) {
-  FILE* output_file = fopen(output_file_name.c_str(), "wb");
-
-  // Open output file in append mode.
-  if (output_file == NULL) {
-    fprintf(stderr, "Couldn't open input file for reading: %s\n",
-            output_file_name.c_str());
-    return false;
-  }
-
-  int input_frame_size = InputFrameSize();
-  uint8_t* rgba_buffer = new uint8_t[input_frame_size];
-  int y_plane_size = YPlaneSize();
-  uint8_t* dst_y = new uint8_t[y_plane_size];
-  int u_plane_size = UPlaneSize();
-  uint8_t* dst_u = new uint8_t[u_plane_size];
-  int v_plane_size = VPlaneSize();
-  uint8_t* dst_v = new uint8_t[v_plane_size];
-
-  int counter = 0;  // Counter to form frame names.
-  bool success = false;  // Is conversion successful.
-
-  while (true) {
-    std::string file_name = FormFrameName(4, counter);
-    // Get full path file name.
-    std::string input_file_name = FindFullFileName(frames_dir, file_name);
-
-    if (FileExists(input_file_name)) {
-      ++counter;  // Update counter for the next round.
-    } else {
-      fprintf(stdout, "Reached end of frames list\n");
-      break;
-    }
-
-    // Read the RGBA frame into rgba_buffer.
-    ReadRGBAFrame(input_file_name.c_str(), input_frame_size, rgba_buffer);
-
-    // Delete the input frame.
-    if (delete_frames) {
-      if (remove(input_file_name.c_str()) != 0) {
-        fprintf(stderr, "Cannot delete file %s\n", input_file_name.c_str());
-      }
-    }
-
-    // Convert to I420 frame.
-    libyuv::ABGRToI420(rgba_buffer, SrcStrideFrame(),
-                       dst_y, DstStrideY(),
-                       dst_u, DstStrideU(),
-                       dst_v, DstStrideV(),
-                       width_, height_);
-
-    // Add the I420 frame to the YUV video file.
-    success = AddYUVToFile(dst_y, y_plane_size, dst_u, u_plane_size,
-                           dst_v, v_plane_size, output_file);
-
-
-    if (!success) {
-      fprintf(stderr, "LibYUV error during RGBA to I420 frame conversion\n");
-      break;
-    }
-  }
-
-  delete[] rgba_buffer;
-  delete[] dst_y;
-  delete[] dst_u;
-  delete[] dst_v;
-
-  fclose(output_file);
-
-  return success;
-}
-
-bool Converter::AddYUVToFile(uint8_t* y_plane,
-                             int y_plane_size,
-                             uint8_t* u_plane,
-                             int u_plane_size,
-                             uint8_t* v_plane,
-                             int v_plane_size,
-                             FILE* output_file) {
-  bool success = AddYUVPlaneToFile(y_plane, y_plane_size, output_file) &&
-                 AddYUVPlaneToFile(u_plane, u_plane_size, output_file) &&
-                 AddYUVPlaneToFile(v_plane, v_plane_size, output_file);
-  return success;
-}
-
-bool Converter::AddYUVPlaneToFile(uint8_t* yuv_plane,
-                                  int yuv_plane_size,
-                                  FILE* file) {
-  size_t bytes_written = fwrite(yuv_plane, 1, yuv_plane_size, file);
-
-  if (bytes_written != static_cast<size_t>(yuv_plane_size)) {
-    fprintf(stderr, "Number of bytes written (%d) doesn't match size of y plane"
-            " (%d)\n", static_cast<int>(bytes_written), yuv_plane_size);
-    return false;
-  }
-  return true;
-}
-
-bool Converter::ReadRGBAFrame(const char* input_file_name, int input_frame_size,
-                              unsigned char* buffer) {
-  FILE* input_file = fopen(input_file_name, "rb");
-  if (input_file == NULL) {
-    fprintf(stderr, "Couldn't open input file for reading: %s\n",
-            input_file_name);
-    return false;
-  }
-
-  size_t nbr_read = fread(buffer, 1, input_frame_size, input_file);
-  fclose(input_file);
-
-  if (nbr_read != static_cast<size_t>(input_frame_size)) {
-    fprintf(stderr, "Error reading from input file: %s\n", input_file_name);
-    return false;
-  }
-
-  return true;
-}
-
-std::string Converter::FindFullFileName(std::string dir_name,
-                                        std::string file_name) {
-  return dir_name + SEPARATOR + file_name;
-}
-
-bool Converter:: FileExists(std::string file_name_to_check) {
-  struct STAT file_info;
-  int result = STAT(file_name_to_check.c_str(), &file_info);
-  return (result == 0);
-}
-
-std::string Converter::FormFrameName(int width, int number) {
-  std::stringstream tmp;
-
-  // Zero-pad number to a string.
-  tmp << std::setfill('0') << std::setw(width) << number;
-
-  return "frame_" + tmp.str();
-}
-
-}  // namespace test
-}  // namespace webrtc