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      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 
     15 namespace webrtc {
     16 namespace test {
     17 
     18 FrameWriterImpl::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 
     25 FrameWriterImpl::~FrameWriterImpl() {
     26   Close();
     27 }
     28 
     29 bool 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 
     44 void FrameWriterImpl::Close() {
     45   if (output_file_ != NULL) {
     46     fclose(output_file_);
     47     output_file_ = NULL;
     48   }
     49 }
     50 
     51 size_t FrameWriterImpl::FrameLength() { return frame_length_in_bytes_; }
     52 
     53 bool 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