shaka-packager/packager/hls/base/simple_hls_notifier.h

104 lines
3.4 KiB
C++

// Copyright 2016 Google LLC. 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 PACKAGER_HLS_BASE_SIMPLE_HLS_NOTIFIER_H_
#define PACKAGER_HLS_BASE_SIMPLE_HLS_NOTIFIER_H_
#include <list>
#include <map>
#include <memory>
#include <string>
#include <vector>
#include <absl/synchronization/mutex.h>
#include <packager/hls/base/hls_notifier.h>
#include <packager/hls/base/master_playlist.h>
#include <packager/hls/base/media_playlist.h>
#include <packager/hls/public/hls_params.h>
#include <packager/macros.h>
namespace shaka {
namespace hls {
/// For testing.
/// Creates MediaPlaylist. Mock this and return mock MediaPlaylist.
class MediaPlaylistFactory {
public:
virtual ~MediaPlaylistFactory();
virtual std::unique_ptr<MediaPlaylist> Create(const HlsParams& hls_params,
const std::string& file_name,
const std::string& name,
const std::string& group_id);
};
/// This is thread safe.
class SimpleHlsNotifier : public HlsNotifier {
public:
/// @param hls_params contains parameters for setting up the notifier.
explicit SimpleHlsNotifier(const HlsParams& hls_params);
~SimpleHlsNotifier() override;
/// @name HlsNotifier implemetation overrides.
/// @{
bool Init() override;
bool NotifyNewStream(const MediaInfo& media_info,
const std::string& playlist_name,
const std::string& stream_name,
const std::string& group_id,
uint32_t* stream_id) override;
bool NotifySampleDuration(uint32_t stream_id,
int32_t sample_duration) override;
bool NotifyNewSegment(uint32_t stream_id,
const std::string& segment_name,
int64_t start_time,
int64_t duration,
uint64_t start_byte_offset,
uint64_t size) override;
bool NotifyKeyFrame(uint32_t stream_id,
int64_t timestamp,
uint64_t start_byte_offset,
uint64_t size) override;
bool NotifyCueEvent(uint32_t container_id, int64_t timestamp) override;
bool NotifyEncryptionUpdate(
uint32_t stream_id,
const std::vector<uint8_t>& key_id,
const std::vector<uint8_t>& system_id,
const std::vector<uint8_t>& iv,
const std::vector<uint8_t>& protection_system_specific_data) override;
bool Flush() override;
/// }@
private:
friend class SimpleHlsNotifierTest;
struct StreamEntry {
std::unique_ptr<MediaPlaylist> media_playlist;
MediaPlaylist::EncryptionMethod encryption_method;
};
std::string master_playlist_dir_;
int32_t target_duration_ = 0;
std::unique_ptr<MediaPlaylistFactory> media_playlist_factory_;
std::unique_ptr<MasterPlaylist> master_playlist_;
// Maps to unique_ptr because StreamEntry also holds unique_ptr
std::map<uint32_t, std::unique_ptr<StreamEntry>> stream_map_;
std::list<MediaPlaylist*> media_playlists_;
uint32_t sequence_number_ = 0;
absl::Mutex lock_;
DISALLOW_COPY_AND_ASSIGN(SimpleHlsNotifier);
};
} // namespace hls
} // namespace shaka
#endif // PACKAGER_HLS_BASE_SIMPLE_HLS_NOTIFIER_H_