106 lines
3.0 KiB
C++
106 lines
3.0 KiB
C++
// Copyright 2014 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/mpd/util/mpd_writer.h>
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#include <cstdint>
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#include <absl/flags/flag.h>
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#include <absl/log/check.h>
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#include <absl/log/log.h>
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#include <google/protobuf/text_format.h>
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#include <packager/file/file.h>
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#include <packager/mpd/base/mpd_builder.h>
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#include <packager/mpd/base/mpd_notifier.h>
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#include <packager/mpd/base/mpd_utils.h>
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#include <packager/mpd/base/simple_mpd_notifier.h>
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ABSL_FLAG(bool,
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generate_dash_if_iop_compliant_mpd,
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true,
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"Try to generate DASH-IF IOP compliant MPD. This is best effort "
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"and does not guarantee compliance.");
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namespace shaka {
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namespace {
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// Factory that creates SimpleMpdNotifier instances.
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class SimpleMpdNotifierFactory : public MpdNotifierFactory {
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public:
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SimpleMpdNotifierFactory() {}
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~SimpleMpdNotifierFactory() override {}
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std::unique_ptr<MpdNotifier> Create(const MpdOptions& mpd_options) override {
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return std::unique_ptr<MpdNotifier>(new SimpleMpdNotifier(mpd_options));
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}
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};
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} // namespace
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MpdWriter::MpdWriter() : notifier_factory_(new SimpleMpdNotifierFactory()) {}
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MpdWriter::~MpdWriter() {}
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bool MpdWriter::AddFile(const std::string& media_info_path) {
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std::string file_content;
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if (!File::ReadFileToString(media_info_path.c_str(), &file_content)) {
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LOG(ERROR) << "Failed to read " << media_info_path << " to string.";
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return false;
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}
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MediaInfo media_info;
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if (!::google::protobuf::TextFormat::ParseFromString(file_content,
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&media_info)) {
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LOG(ERROR) << "Failed to parse " << file_content << " to MediaInfo.";
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return false;
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}
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media_infos_.push_back(media_info);
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return true;
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}
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void MpdWriter::AddBaseUrl(const std::string& base_url) {
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base_urls_.push_back(base_url);
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}
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bool MpdWriter::WriteMpdToFile(const char* file_name) {
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CHECK(file_name);
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MpdOptions mpd_options;
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mpd_options.mpd_params.base_urls = base_urls_;
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mpd_options.mpd_params.mpd_output = file_name;
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mpd_options.mpd_params.generate_dash_if_iop_compliant_mpd =
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absl::GetFlag(FLAGS_generate_dash_if_iop_compliant_mpd);
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std::unique_ptr<MpdNotifier> notifier =
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notifier_factory_->Create(mpd_options);
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if (!notifier->Init()) {
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LOG(ERROR) << "failed to initialize MpdNotifier.";
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return false;
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}
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for (const MediaInfo& media_info : media_infos_) {
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uint32_t unused_conatiner_id;
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if (!notifier->NotifyNewContainer(media_info, &unused_conatiner_id)) {
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LOG(ERROR) << "Failed to add MediaInfo for media file: "
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<< media_info.media_file_name();
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return false;
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}
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}
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if (!notifier->Flush()) {
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LOG(ERROR) << "Failed to flush MPD notifier.";
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return false;
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}
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return true;
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}
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void MpdWriter::SetMpdNotifierFactoryForTest(
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std::unique_ptr<MpdNotifierFactory> factory) {
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notifier_factory_ = std::move(factory);
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}
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} // namespace shaka
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