107 lines
3.3 KiB
C++
107 lines
3.3 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 "mpd/base/simple_vod_mpd_notifier.h"
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#include "base/stl_util.h"
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#include "mpd/base/content_protection_element.h"
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#include "mpd/base/media_info.pb.h"
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namespace edash_packager {
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SimpleVodMpdNotifier::SimpleVodMpdNotifier(MpdBuilder* mpd_builder)
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: mpd_builder_(mpd_builder),
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video_adaptation_set_(NULL),
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audio_adaptation_set_(NULL),
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representation_(NULL) {
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DCHECK(mpd_builder);
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}
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SimpleVodMpdNotifier::~SimpleVodMpdNotifier() {}
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bool SimpleVodMpdNotifier::Init() {
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return true;
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}
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bool SimpleVodMpdNotifier::NotifyNewContainer(const MediaInfo& media_info,
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uint32_t* container_id) {
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DCHECK(container_id);
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if (media_info.video_info_size() > 0 && media_info.audio_info_size() > 0) {
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LOG(ERROR) << "SimpleVodMpdNotifier cannot handle media container with "
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"both video and audio";
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return false;
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}
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ContainerType container_type = kVideo;
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if (media_info.video_info_size() > 0) {
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container_type = kVideo;
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} else if (media_info.audio_info_size() > 0) {
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container_type = kAudio;
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} else {
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LOG(ERROR) << "Either video_info or audio_info must be populated.";
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return false;
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}
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if (!AddNewRepresentation(container_type, media_info, container_id))
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return false;
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return mpd_builder_->WriteMpd();
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}
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bool SimpleVodMpdNotifier::NotifyNewSegment(uint32_t container_id,
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uint64_t start_time,
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uint64_t duration) {
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DLOG(INFO) << "VOD does not support this operation.";
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return false;
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}
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bool SimpleVodMpdNotifier::AddContentProtectionElement(
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uint32_t container_id,
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const ContentProtectionElement& content_protection_element) {
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if (!ContainsKey(id_to_representation_, container_id))
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return false;
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Representation* representation = id_to_representation_[container_id];
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DCHECK(representation);
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representation->AddContentProtectionElement(content_protection_element);
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return mpd_builder_->WriteMpd();
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}
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bool SimpleVodMpdNotifier::AddNewRepresentation(ContainerType type,
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const MediaInfo& media_info,
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uint32_t* container_id) {
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// Use pointer-pointer to set {video,audio}_adaptation_set_.
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AdaptationSet** adaptation_set_pp = NULL;
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if (type == kVideo) {
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adaptation_set_pp = &video_adaptation_set_;
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} else if (type == kAudio){
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adaptation_set_pp = &audio_adaptation_set_;
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} else {
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NOTREACHED() << "Unknown container type: " << type;
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return false;
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}
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if (!*adaptation_set_pp)
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*adaptation_set_pp = mpd_builder_->AddAdaptationSet();
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AdaptationSet* const adaptation_set = *adaptation_set_pp;
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Representation* new_representation =
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adaptation_set->AddRepresentation(media_info);
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if (!new_representation)
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return false;
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const uint32_t representation_id = new_representation->id();
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id_to_representation_[representation_id] = new_representation;
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*container_id = representation_id;
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return true;
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}
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} // namespace edash_packager
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