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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_ | |
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