51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
/*
|
|
* Copyright (c) 2014 The WebM project authors. All Rights Reserved.
|
|
*/
|
|
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "WebMFileWriter.h"
|
|
|
|
#include <string>
|
|
#include "mkvmuxer/mkvmuxerutil.h"
|
|
|
|
namespace mozilla {
|
|
|
|
WebMFileWriter::WebMFileWriter(FILE* file, vpx_codec_enc_cfg_t* cfg)
|
|
: m_cfg(cfg)
|
|
, m_writer(new mkvmuxer::MkvWriter(file))
|
|
, m_segment(new mkvmuxer::Segment()) {
|
|
m_segment->Init(m_writer.get());
|
|
m_segment->set_mode(mkvmuxer::Segment::kFile);
|
|
m_segment->OutputCues(true);
|
|
|
|
mkvmuxer::SegmentInfo* info = m_segment->GetSegmentInfo();
|
|
std::string version = "Playwright " + std::string(vpx_codec_version_str());
|
|
info->set_writing_app(version.c_str());
|
|
|
|
// Add vp8 track.
|
|
m_videoTrackId = m_segment->AddVideoTrack(
|
|
static_cast<int>(m_cfg->g_w), static_cast<int>(m_cfg->g_h), 0);
|
|
if (!m_videoTrackId) {
|
|
fprintf(stderr, "Failed to add video track\n");
|
|
}
|
|
}
|
|
|
|
WebMFileWriter::~WebMFileWriter() {}
|
|
|
|
void WebMFileWriter::writeFrame(const vpx_codec_cx_pkt_t* pkt) {
|
|
int64_t pts_ns = pkt->data.frame.pts * 1000000000ll * m_cfg->g_timebase.num /
|
|
m_cfg->g_timebase.den;
|
|
m_segment->AddFrame(static_cast<uint8_t*>(pkt->data.frame.buf),
|
|
pkt->data.frame.sz, m_videoTrackId, pts_ns,
|
|
pkt->data.frame.flags & VPX_FRAME_IS_KEY);
|
|
}
|
|
|
|
void WebMFileWriter::finish() {
|
|
m_segment->Finalize();
|
|
}
|
|
|
|
} // namespace mozilla
|