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https://github.com/mollyim/webrtc.git
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a12c42a6b2
Usage replaced with stdint.h, rtc_base/system/arch.h and rtc_base/system/unused.h, as appropriate. Bug: webrtc:6854 Change-Id: I97225465d14b969903d92979e2df3c3c05d35f18 Reviewed-on: https://webrtc-review.googlesource.com/90249 Reviewed-by: Niklas Enbom <niklas.enbom@webrtc.org> Reviewed-by: Fredrik Solenberg <solenberg@webrtc.org> Commit-Queue: Niels Moller <nisse@webrtc.org> Cr-Commit-Position: refs/heads/master@{#24100}
90 lines
2.6 KiB
C++
90 lines
2.6 KiB
C++
/*
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* Copyright (c) 2012 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 <stdio.h>
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#include <stdlib.h>
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#include <memory>
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#include <string>
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#include "common_video/libyuv/include/webrtc_libyuv.h"
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#include "rtc_tools/frame_editing/frame_editing_lib.h"
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namespace webrtc {
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int EditFrames(const std::string& in_path,
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int width,
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int height,
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int first_frame_to_process,
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int interval,
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int last_frame_to_process,
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const std::string& out_path) {
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if (last_frame_to_process < first_frame_to_process) {
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fprintf(stderr, "The set of frames to cut is empty! (l < f)\n");
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return -10;
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}
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FILE* in_fid = fopen(in_path.c_str(), "rb");
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if (!in_fid) {
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fprintf(stderr, "Could not read input file: %s.\n", in_path.c_str());
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return -11;
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}
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// Frame size of I420.
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size_t frame_length = CalcBufferSize(VideoType::kI420, width, height);
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std::unique_ptr<uint8_t[]> temp_buffer(new uint8_t[frame_length]);
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FILE* out_fid = fopen(out_path.c_str(), "wb");
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if (!out_fid) {
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fprintf(stderr, "Could not open output file: %s.\n", out_path.c_str());
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fclose(in_fid);
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return -12;
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}
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int num_frames_read = 0;
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int num_frames_read_between = 0;
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size_t num_bytes_read;
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while ((num_bytes_read = fread(temp_buffer.get(), 1, frame_length, in_fid)) ==
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frame_length) {
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num_frames_read++;
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if ((num_frames_read < first_frame_to_process) ||
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(last_frame_to_process < num_frames_read)) {
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fwrite(temp_buffer.get(), 1, frame_length, out_fid);
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} else {
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num_frames_read_between++;
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if (interval <= 0) {
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if (interval == -1) {
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// Remove all frames.
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} else {
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if (((num_frames_read_between - 1) % interval) == 0) {
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// Keep only every |interval| frame.
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fwrite(temp_buffer.get(), 1, frame_length, out_fid);
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}
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}
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} else if (interval > 0) {
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for (int i = 1; i <= interval; ++i) {
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fwrite(temp_buffer.get(), 1, frame_length, out_fid);
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}
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}
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}
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}
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if (num_bytes_read > 0 && num_bytes_read < frame_length) {
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printf("Frame to small! Last frame truncated.\n");
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}
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fclose(in_fid);
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fclose(out_fid);
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printf("Done editing!\n");
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return 0;
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}
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} // namespace webrtc
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