1/*
2 *  Copyright (c) 2011 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#include "webrtc/test/testsupport/frame_writer.h"
12
13#include <assert.h>
14
15namespace webrtc {
16namespace test {
17
18FrameWriterImpl::FrameWriterImpl(std::string output_filename,
19                                 size_t frame_length_in_bytes)
20    : output_filename_(output_filename),
21      frame_length_in_bytes_(frame_length_in_bytes),
22      output_file_(NULL) {
23}
24
25FrameWriterImpl::~FrameWriterImpl() {
26  Close();
27}
28
29bool FrameWriterImpl::Init() {
30  if (frame_length_in_bytes_ <= 0) {
31    fprintf(stderr, "Frame length must be >0, was %zu\n",
32            frame_length_in_bytes_);
33    return false;
34  }
35  output_file_ = fopen(output_filename_.c_str(), "wb");
36  if (output_file_ == NULL) {
37    fprintf(stderr, "Couldn't open output file for writing: %s\n",
38            output_filename_.c_str());
39    return false;
40  }
41  return true;
42}
43
44void FrameWriterImpl::Close() {
45  if (output_file_ != NULL) {
46    fclose(output_file_);
47    output_file_ = NULL;
48  }
49}
50
51size_t FrameWriterImpl::FrameLength() { return frame_length_in_bytes_; }
52
53bool FrameWriterImpl::WriteFrame(uint8_t* frame_buffer) {
54  assert(frame_buffer);
55  if (output_file_ == NULL) {
56    fprintf(stderr, "FrameWriter is not initialized (output file is NULL)\n");
57    return false;
58  }
59  size_t bytes_written = fwrite(frame_buffer, 1, frame_length_in_bytes_,
60                                output_file_);
61  if (bytes_written != frame_length_in_bytes_) {
62    fprintf(stderr, "Failed to write %zu bytes to file %s\n",
63            frame_length_in_bytes_, output_filename_.c_str());
64    return false;
65  }
66  return true;
67}
68
69}  // namespace test
70}  // namespace webrtc
71