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

93 lines
3.2 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
#ifndef MPD_BASE_SIMPLE_MPD_NOTIFIER_H_
#define MPD_BASE_SIMPLE_MPD_NOTIFIER_H_
#include <map>
#include <memory>
#include <string>
#include <vector>
#include "packager/base/synchronization/lock.h"
#include "packager/mpd/base/mpd_notifier.h"
#include "packager/mpd/base/mpd_notifier_util.h"
namespace shaka {
class AdaptationSet;
class MpdBuilder;
class Representation;
struct MpdOptions;
/// A simple MpdNotifier implementation which receives muxer listener event and
/// generates an Mpd file.
class SimpleMpdNotifier : public MpdNotifier {
public:
explicit SimpleMpdNotifier(const MpdOptions& mpd_options);
~SimpleMpdNotifier() 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 container_id,
uint64_t start_time,
uint64_t duration,
uint64_t size) override;
bool NotifyCueEvent(uint32_t container_id, uint64_t timestamp) 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 Flush() override;
/// @}
private:
SimpleMpdNotifier(const SimpleMpdNotifier&) = delete;
SimpleMpdNotifier& operator=(const SimpleMpdNotifier&) = delete;
friend class SimpleMpdNotifierTest;
// Add a new representation. If |original_representation| is not nullptr, the
// new Representation will clone from it; otherwise the new Representation is
// created from |media_info|.
// The new Representation will be added to Period with the specified start
// time.
// Returns the new Representation on success; otherwise a nullptr is returned.
Representation* AddRepresentationToPeriod(
const MediaInfo& media_info,
const Representation* original_representation,
double period_start_time_seconds);
// 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_;
bool content_protection_in_adaptation_set_ = true;
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_SIMPLE_MPD_NOTIFIER_H_