129 lines
4.4 KiB
C++
129 lines
4.4 KiB
C++
// Copyright 2015 Google Inc. 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/base/simple_mpd_notifier.h"
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#include "packager/base/logging.h"
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#include "packager/base/stl_util.h"
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#include "packager/mpd/base/adaptation_set.h"
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#include "packager/mpd/base/mpd_builder.h"
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#include "packager/mpd/base/mpd_notifier_util.h"
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#include "packager/mpd/base/mpd_utils.h"
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#include "packager/mpd/base/period.h"
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#include "packager/mpd/base/representation.h"
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namespace shaka {
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SimpleMpdNotifier::SimpleMpdNotifier(const MpdOptions& mpd_options)
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: MpdNotifier(mpd_options),
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output_path_(mpd_options.mpd_params.mpd_output),
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mpd_builder_(new MpdBuilder(mpd_options)),
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content_protection_in_adaptation_set_(
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mpd_options.mpd_params.generate_dash_if_iop_compliant_mpd) {
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for (const std::string& base_url : mpd_options.mpd_params.base_urls)
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mpd_builder_->AddBaseUrl(base_url);
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}
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SimpleMpdNotifier::~SimpleMpdNotifier() {}
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bool SimpleMpdNotifier::Init() {
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return true;
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}
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bool SimpleMpdNotifier::NotifyNewContainer(const MediaInfo& media_info,
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uint32_t* container_id) {
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DCHECK(container_id);
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ContentType content_type = GetContentType(media_info);
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if (content_type == kContentTypeUnknown)
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return false;
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base::AutoLock auto_lock(lock_);
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if (!period_)
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period_ = mpd_builder_->AddPeriod();
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AdaptationSet* adaptation_set = period_->GetOrCreateAdaptationSet(
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media_info, content_protection_in_adaptation_set_);
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DCHECK(adaptation_set);
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MediaInfo adjusted_media_info(media_info);
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MpdBuilder::MakePathsRelativeToMpd(output_path_, &adjusted_media_info);
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Representation* representation =
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adaptation_set->AddRepresentation(adjusted_media_info);
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if (!representation)
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return false;
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if (content_protection_in_adaptation_set_) {
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// ContentProtection elements are already added to AdaptationSet above.
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// Use RepresentationId to AdaptationSet map to update ContentProtection
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// in AdaptationSet in NotifyEncryptionUpdate.
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representation_id_to_adaptation_set_[representation->id()] = adaptation_set;
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} else {
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AddContentProtectionElements(media_info, representation);
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}
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*container_id = representation->id();
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DCHECK(!ContainsKey(representation_map_, representation->id()));
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representation_map_[representation->id()] = representation;
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return true;
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}
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bool SimpleMpdNotifier::NotifySampleDuration(uint32_t container_id,
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uint32_t sample_duration) {
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base::AutoLock auto_lock(lock_);
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auto it = representation_map_.find(container_id);
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if (it == representation_map_.end()) {
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LOG(ERROR) << "Unexpected container_id: " << container_id;
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return false;
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}
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it->second->SetSampleDuration(sample_duration);
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return true;
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}
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bool SimpleMpdNotifier::NotifyNewSegment(uint32_t container_id,
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uint64_t start_time,
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uint64_t duration,
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uint64_t size) {
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base::AutoLock auto_lock(lock_);
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auto it = representation_map_.find(container_id);
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if (it == representation_map_.end()) {
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LOG(ERROR) << "Unexpected container_id: " << container_id;
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return false;
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}
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it->second->AddNewSegment(start_time, duration, size);
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return true;
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}
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bool SimpleMpdNotifier::NotifyEncryptionUpdate(
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uint32_t container_id,
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const std::string& drm_uuid,
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const std::vector<uint8_t>& new_key_id,
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const std::vector<uint8_t>& new_pssh) {
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base::AutoLock auto_lock(lock_);
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auto it = representation_map_.find(container_id);
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if (it == representation_map_.end()) {
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LOG(ERROR) << "Unexpected container_id: " << container_id;
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return false;
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}
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if (content_protection_in_adaptation_set_) {
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AdaptationSet* adaptation_set_for_representation =
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representation_id_to_adaptation_set_[it->second->id()];
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adaptation_set_for_representation->UpdateContentProtectionPssh(
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drm_uuid, Uint8VectorToBase64(new_pssh));
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} else {
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it->second->UpdateContentProtectionPssh(drm_uuid,
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Uint8VectorToBase64(new_pssh));
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}
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return true;
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}
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bool SimpleMpdNotifier::Flush() {
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base::AutoLock auto_lock(lock_);
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return WriteMpdToFile(output_path_, mpd_builder_.get());
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}
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} // namespace shaka
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