shaka-packager/packager/mpd/base/dash_iop_mpd_notifier.h

87 lines
2.8 KiB
C++

// Copyright 2015 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
#ifndef MPD_BASE_DASH_IOP_MPD_NOTIFIER_H_
#define MPD_BASE_DASH_IOP_MPD_NOTIFIER_H_
#include "packager/mpd/base/mpd_notifier.h"
#include <map>
#include <string>
#include <vector>
#include "packager/base/synchronization/lock.h"
#include "packager/mpd/base/mpd_notifier_util.h"
#include "packager/mpd/base/mpd_options.h"
namespace shaka {
class AdaptationSet;
class MpdBuilder;
class Period;
class Representation;
/// This class is an MpdNotifier which will try its best to generate a
/// DASH IF IOPv3 compliant MPD.
/// e.g.
/// All <ContentProtection> elements must be right under
/// <AdaptationSet> and cannot be under <Representation>.
/// All video Adaptation Sets have Role set to "main".
class DashIopMpdNotifier : public MpdNotifier {
public:
explicit DashIopMpdNotifier(const MpdOptions& mpd_options);
~DashIopMpdNotifier() override;
/// None of the methods write out the MPD file until Flush() is called.
/// @name MpdNotifier implemetation overrides.
/// @{
bool Init() override;
bool NotifyNewContainer(const MediaInfo& media_info, uint32_t* id) override;
bool NotifySampleDuration(uint32_t container_id,
uint32_t sample_duration) override;
bool NotifyNewSegment(uint32_t id,
uint64_t start_time,
uint64_t duration,
uint64_t size) override;
bool 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) override;
bool AddContentProtectionElement(
uint32_t id,
const ContentProtectionElement& content_protection_element) override;
bool Flush() override;
/// @}
private:
friend class DashIopMpdNotifierTest;
// Testing only method. Returns a pointer to MpdBuilder.
MpdBuilder* MpdBuilderForTesting() const {
return mpd_builder_.get();
}
// Testing only method. Sets mpd_builder_.
void SetMpdBuilderForTesting(std::unique_ptr<MpdBuilder> mpd_builder) {
mpd_builder_ = std::move(mpd_builder);
}
// MPD output path.
std::string output_path_;
std::unique_ptr<MpdBuilder> mpd_builder_;
Period* period_ = nullptr; // owned by |mpd_builder_|.
base::Lock lock_;
// Maps representation ID to Representation.
std::map<uint32_t, Representation*> representation_map_;
// Maps Representation ID to AdaptationSet. This is for updating the PSSH.
std::map<uint32_t, AdaptationSet*> representation_id_to_adaptation_set_;
};
} // namespace shaka
#endif // MPD_BASE_DASH_IOP_MPD_NOTIFIER_H_