113 lines
3.6 KiB
C++
113 lines
3.6 KiB
C++
// Copyright 2015 Google LLC. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file or at
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// https://developers.google.com/open-source/licenses/bsd
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#include <packager/media/formats/webm/multi_segment_segmenter.h>
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#include <absl/log/check.h>
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#include <mkvmuxer/mkvmuxer.h>
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#include <packager/macros/logging.h>
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#include <packager/macros/status.h>
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#include <packager/media/base/muxer_options.h>
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#include <packager/media/base/muxer_util.h>
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#include <packager/media/base/stream_info.h>
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#include <packager/media/event/muxer_listener.h>
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namespace shaka {
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namespace media {
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namespace webm {
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MultiSegmentSegmenter::MultiSegmentSegmenter(const MuxerOptions& options)
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: Segmenter(options), num_segment_(0) {}
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MultiSegmentSegmenter::~MultiSegmentSegmenter() {}
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Status MultiSegmentSegmenter::FinalizeSegment(int64_t start_timestamp,
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int64_t duration_timestamp,
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bool is_subsegment) {
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CHECK(cluster());
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RETURN_IF_ERROR(Segmenter::FinalizeSegment(
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start_timestamp, duration_timestamp, is_subsegment));
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if (!cluster()->Finalize())
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return Status(error::FILE_FAILURE, "Error finalizing segment.");
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if (!is_subsegment) {
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std::string segment_name =
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GetSegmentName(options().segment_template, start_timestamp,
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num_segment_, options().bandwidth);
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// Close the file, which also does flushing, to make sure the file is
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// written before manifest is updated.
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RETURN_IF_ERROR(writer_->Close());
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if (!File::Copy(temp_file_name_.c_str(), segment_name.c_str()))
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return Status(error::FILE_FAILURE, "Failure to copy memory file.");
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if (!File::Delete(temp_file_name_.c_str()))
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return Status(error::FILE_FAILURE, "Failure to delete memory file.");
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num_segment_++;
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if (muxer_listener()) {
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const uint64_t size = cluster()->Size();
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muxer_listener()->OnNewSegment(segment_name, start_timestamp,
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duration_timestamp, size);
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}
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VLOG(1) << "WEBM file '" << segment_name << "' finalized.";
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}
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return Status::OK;
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}
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bool MultiSegmentSegmenter::GetInitRangeStartAndEnd(uint64_t* /*start*/,
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uint64_t* /*end*/) {
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return false;
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}
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bool MultiSegmentSegmenter::GetIndexRangeStartAndEnd(uint64_t* /*start*/,
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uint64_t* /*end*/) {
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return false;
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}
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std::vector<Range> MultiSegmentSegmenter::GetSegmentRanges() {
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return std::vector<Range>();
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}
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Status MultiSegmentSegmenter::DoInitialize() {
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std::unique_ptr<MkvWriter> writer(new MkvWriter);
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Status status = writer->Open(options().output_file_name);
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if (!status.ok())
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return status;
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writer_ = std::move(writer);
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return WriteSegmentHeader(0, writer_.get());
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}
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Status MultiSegmentSegmenter::DoFinalize() {
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return Status::OK;
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}
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Status MultiSegmentSegmenter::NewSegment(int64_t start_timestamp,
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bool is_subsegment) {
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if (!is_subsegment) {
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temp_file_name_ =
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"memory://" + GetSegmentName(options().segment_template,
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start_timestamp, num_segment_,
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options().bandwidth);
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writer_.reset(new MkvWriter);
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Status status = writer_->Open(temp_file_name_);
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if (!status.ok())
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return status;
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}
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const int64_t start_timecode = FromBmffTimestamp(start_timestamp);
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return SetCluster(start_timecode, 0, writer_.get());
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}
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} // namespace webm
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} // namespace media
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} // namespace shaka
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