134 lines
4.7 KiB
C++
134 lines
4.7 KiB
C++
// Copyright 2014 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/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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namespace shaka {
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SimpleMpdNotifier::SimpleMpdNotifier(DashProfile dash_profile,
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const MpdOptions& mpd_options,
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const std::vector<std::string>& base_urls,
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const std::string& output_path)
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: MpdNotifier(dash_profile),
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output_path_(output_path),
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mpd_builder_(new MpdBuilder(dash_profile == kLiveProfile
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? MpdBuilder::kDynamic
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: MpdBuilder::kStatic,
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mpd_options)) {
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DCHECK(dash_profile == kLiveProfile || dash_profile == kOnDemandProfile);
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for (size_t i = 0; i < base_urls.size(); ++i)
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mpd_builder_->AddBaseUrl(base_urls[i]);
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}
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SimpleMpdNotifier::~SimpleMpdNotifier() {
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}
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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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// TODO(kqyang): Consider adding a new method MpdBuilder::AddRepresentation.
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// Most of the codes here can be moved inside.
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std::string key = GetAdaptationSetKey(media_info);
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std::string lang = GetLanguage(media_info);
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AdaptationSet** adaptation_set = &adaptation_set_map_[key];
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if (*adaptation_set == NULL)
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*adaptation_set = mpd_builder_->AddAdaptationSet(lang);
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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 == NULL)
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return false;
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// For SimpleMpdNotifier, just put it in Representation. It should still
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// generate a valid MPD.
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AddContentProtectionElements(media_info, representation);
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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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RepresentationMap::iterator 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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RepresentationMap::iterator 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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RepresentationMap::iterator 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->UpdateContentProtectionPssh(drm_uuid,
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Uint8VectorToBase64(new_pssh));
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return true;
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}
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bool SimpleMpdNotifier::AddContentProtectionElement(
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uint32_t container_id,
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const ContentProtectionElement& content_protection_element) {
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base::AutoLock auto_lock(lock_);
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RepresentationMap::iterator 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->AddContentProtectionElement(content_protection_element);
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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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