1 /* 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. 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 11 #ifndef WEBRTC_TOOLS_FRAME_EDITING_FRAME_EDITING_LIB_H_ 12 #define WEBRTC_TOOLS_FRAME_EDITING_FRAME_EDITING_LIB_H_ 13 14 #include <string> 15 16 namespace webrtc { 17 18 // Frame numbering starts at 1. The set of frames to be processed includes the 19 // frame with the number: first_frame_to_process and last_frame_to_process. 20 // Interval specifies with what interval frames should be cut or kept. 21 // Example 1: 22 // If one clip has 10 frames (1 to 10), and you specify 23 // first_frame_to_process = 4, last_frame_to_process = 7 and interval = -1, 24 // then you will get a clip that contains frame 1, 2, 3, 8, 9 and 10. 25 // Example 2: 26 // I you specify first_frame_to_process = 1, last_frame_to_process = 10 and 27 // interval = -4, then you will get a clip that contains frame 1, 5, 9. 28 // Example 3: 29 // If you specify first_frame_to_process = 4, last_frame_to_process = 7 and 30 // interval = 2, then you will get a clip that contains frame 31 // 1, 2, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 9 and 10. 32 // No interpolation is done when up-sampling. 33 34 int EditFrames(const std::string& in_path, int width, int height, 35 int first_frame_to_process, int interval, 36 int last_frame_to_process, const std::string& out_path); 37 } // namespace webrtc 38 39 #endif // WEBRTC_TOOLS_FRAME_EDITING_FRAME_EDITING_LIB_H_ 40
