shaka-packager/packager/mpd/base/simple_mpd_notifier.cc

134 lines
4.7 KiB
C++

// Copyright 2014 Google Inc. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
#include "packager/mpd/base/simple_mpd_notifier.h"
#include "packager/base/logging.h"
#include "packager/mpd/base/mpd_builder.h"
#include "packager/mpd/base/mpd_notifier_util.h"
#include "packager/mpd/base/mpd_utils.h"
namespace edash_packager {
SimpleMpdNotifier::SimpleMpdNotifier(DashProfile dash_profile,
const MpdOptions& mpd_options,
const std::vector<std::string>& base_urls,
const std::string& output_path)
: MpdNotifier(dash_profile),
output_path_(output_path),
mpd_builder_(new MpdBuilder(dash_profile == kLiveProfile
? MpdBuilder::kDynamic
: MpdBuilder::kStatic,
mpd_options)) {
DCHECK(dash_profile == kLiveProfile || dash_profile == kOnDemandProfile);
for (size_t i = 0; i < base_urls.size(); ++i)
mpd_builder_->AddBaseUrl(base_urls[i]);
}
SimpleMpdNotifier::~SimpleMpdNotifier() {
}
bool SimpleMpdNotifier::Init() {
return true;
}
bool SimpleMpdNotifier::NotifyNewContainer(const MediaInfo& media_info,
uint32_t* container_id) {
DCHECK(container_id);
ContentType content_type = GetContentType(media_info);
if (content_type == kContentTypeUnknown)
return false;
base::AutoLock auto_lock(lock_);
// TODO(kqyang): Consider adding a new method MpdBuilder::AddRepresentation.
// Most of the codes here can be moved inside.
std::string lang;
if (media_info.has_audio_info()) {
lang = media_info.audio_info().language();
}
AdaptationSet** adaptation_set = &adaptation_set_map_[content_type][lang];
if (*adaptation_set == NULL)
*adaptation_set = mpd_builder_->AddAdaptationSet(lang);
DCHECK(*adaptation_set);
MediaInfo adjusted_media_info(media_info);
MpdBuilder::MakePathsRelativeToMpd(output_path_, &adjusted_media_info);
Representation* representation =
(*adaptation_set)->AddRepresentation(adjusted_media_info);
if (representation == NULL)
return false;
// For SimpleMpdNotifier, just put it in Representation. It should still
// generate a valid MPD.
AddContentProtectionElements(media_info, representation);
*container_id = representation->id();
DCHECK(!ContainsKey(representation_map_, representation->id()));
representation_map_[representation->id()] = representation;
return true;
}
bool SimpleMpdNotifier::NotifySampleDuration(uint32_t container_id,
uint32_t sample_duration) {
base::AutoLock auto_lock(lock_);
RepresentationMap::iterator it = representation_map_.find(container_id);
if (it == representation_map_.end()) {
LOG(ERROR) << "Unexpected container_id: " << container_id;
return false;
}
it->second->SetSampleDuration(sample_duration);
return true;
}
bool SimpleMpdNotifier::NotifyNewSegment(uint32_t container_id,
uint64_t start_time,
uint64_t duration,
uint64_t size) {
base::AutoLock auto_lock(lock_);
RepresentationMap::iterator it = representation_map_.find(container_id);
if (it == representation_map_.end()) {
LOG(ERROR) << "Unexpected container_id: " << container_id;
return false;
}
it->second->AddNewSegment(start_time, duration, size);
return true;
}
bool SimpleMpdNotifier::NotifyEncryptionUpdate(
uint32_t container_id,
const std::string& drm_uuid,
const std::vector<uint8_t>& new_key_id,
const std::vector<uint8_t>& new_pssh) {
base::AutoLock auto_lock(lock_);
RepresentationMap::iterator it = representation_map_.find(container_id);
if (it == representation_map_.end()) {
LOG(ERROR) << "Unexpected container_id: " << container_id;
return false;
}
it->second->UpdateContentProtectionPssh(drm_uuid,
Uint8VectorToBase64(new_pssh));
return true;
}
bool SimpleMpdNotifier::AddContentProtectionElement(
uint32_t container_id,
const ContentProtectionElement& content_protection_element) {
base::AutoLock auto_lock(lock_);
RepresentationMap::iterator it = representation_map_.find(container_id);
if (it == representation_map_.end()) {
LOG(ERROR) << "Unexpected container_id: " << container_id;
return false;
}
it->second->AddContentProtectionElement(content_protection_element);
return true;
}
bool SimpleMpdNotifier::Flush() {
return WriteMpdToFile(output_path_, mpd_builder_.get());
}
} // namespace edash_packager