vpx/third_party/libwebm/mkvwriter.cpp
Vignesh Venkatasubramanian c3378771b3 third_party/libwebm: pull from upstream
Pulling libwebm from upstream

Changes from upstream:
249629d make Mkv(Reader|Writer)(FILE*) explicit
7f3cda4 mkvparser: fix a bunch of windows warnings
5c06178 Merge "clang-format on mkvparser.[ch]pp"
4df111e clang-format on mkvparser.[ch]pp
7b24501 clang-format re-run.
c6767b9 Change AlignTrailingComments to false in .clang-format
9097a06 Merge "muxer: Reject file if TrackType is never specified"
eddf974 Merge "clang-format on mkvmuxertypes.hpp and webmids.hpp"
def325c muxer: Reject file if TrackType is never specified
41f869c Merge "clang-format on webvttparser.(cc|h)"
fd0be37 clang-format on webvttparser.(cc|h)
207d8a1 Merge "clang-format on mkvmuxerutil.[ch]pp"
02429eb Merge "clang-format on mkvwriter.[ch]pp"
0cf7b1b Merge "clang-format on mkvreader.[ch]pp"
2e80fed Merge "clang-format on sample.cpp"
3402e12 Merge "clang-format on sample_muxer.cpp"
1a685db Merge "clang-format on sample_muxer_metadata.(cc|h)"
6634c7f Merge "clang-format on vttreader.cc"
7566004 Merge "clang-format on vttdemux.cc"
9915b84 clang-format on mkvreader.[ch]pp
7437254 clang-format on mkvmuxertypes.hpp and webmids.hpp
0d5a98c clang-format on sample_muxer.cpp
e3485c9 clang-format on vttdemux.cc
46cc823 clang-format on dumpvtt.cc
5218bd2 clang-format on vttreader.cc
1a0130d clang-format on sample_muxer_metadata.(cc|h)
867f189 clang-format on sample.cpp
4c7bec5 clang-format on mkvwriter.[ch]pp
9ead078 clang-format on mkvmuxerutil.[ch]pp
fb6b6e6 clang-format on mkvmuxer.[ch]pp
ce77592 Update .clang-format to allow short functions in one line
0a24fe4 Merge "Add support for DateUTC and DefaultDuration in MKV Muxer."
11d5b66 Merge "Add .clang-format"
a1a3b14 Add .clang-format
0fcec38 Add support for DateUTC and DefaultDuration in MKV Muxer.

Change-Id: Ia0ed161ffc3d63c2eba8ed145707ffe543617976
2014-05-05 14:03:06 -07:00

91 lines
1.8 KiB
C++

// Copyright (c) 2012 The WebM project authors. All Rights Reserved.
//
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file in the root of the source
// tree. An additional intellectual property rights grant can be found
// in the file PATENTS. All contributing project authors may
// be found in the AUTHORS file in the root of the source tree.
#include "mkvwriter.hpp"
#ifdef _MSC_VER
#include <share.h> // for _SH_DENYWR
#endif
#include <new>
namespace mkvmuxer {
MkvWriter::MkvWriter() : file_(NULL), writer_owns_file_(true) {}
MkvWriter::MkvWriter(FILE* fp) : file_(fp), writer_owns_file_(false) {}
MkvWriter::~MkvWriter() { Close(); }
int32 MkvWriter::Write(const void* buffer, uint32 length) {
if (!file_)
return -1;
if (length == 0)
return 0;
if (buffer == NULL)
return -1;
const size_t bytes_written = fwrite(buffer, 1, length, file_);
return (bytes_written == length) ? 0 : -1;
}
bool MkvWriter::Open(const char* filename) {
if (filename == NULL)
return false;
if (file_)
return false;
#ifdef _MSC_VER
file_ = _fsopen(filename, "wb", _SH_DENYWR);
#else
file_ = fopen(filename, "wb");
#endif
if (file_ == NULL)
return false;
return true;
}
void MkvWriter::Close() {
if (file_ && writer_owns_file_) {
fclose(file_);
}
file_ = NULL;
}
int64 MkvWriter::Position() const {
if (!file_)
return 0;
#ifdef _MSC_VER
return _ftelli64(file_);
#else
return ftell(file_);
#endif
}
int32 MkvWriter::Position(int64 position) {
if (!file_)
return -1;
#ifdef _MSC_VER
return _fseeki64(file_, position, SEEK_SET);
#else
return fseek(file_, position, SEEK_SET);
#endif
}
bool MkvWriter::Seekable() const { return true; }
void MkvWriter::ElementStartNotify(uint64, int64) {}
} // namespace mkvmuxer