M3UParser.h

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/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *     http://aws.amazon.com/apache2.0/
 *
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */

#ifndef ALEXA_CLIENT_SDK_PLAYLISTPARSER_INCLUDE_PLAYLISTPARSER_M3UPARSER_H_
#define ALEXA_CLIENT_SDK_PLAYLISTPARSER_INCLUDE_PLAYLISTPARSER_M3UPARSER_H_

#include <chrono>
#include <string>
#include <vector>

#include <AVSCommon/Utils/PlaylistParser/PlaylistParserObserverInterface.h>

namespace alexaClientSDK {
namespace playlistParser {

static constexpr long INVALID_MEDIA_SEQUENCE = -1;

struct PlayItem {
    PlayItem(std::string playlistURL);

    PlayItem(avsCommon::utils::playlistParser::PlaylistEntry playlistEntry);

    enum class Type { PLAYLIST_URL, MEDIA_INFO } type;

    const std::string playlistURL;

    const avsCommon::utils::playlistParser::PlaylistEntry playlistEntry =
        avsCommon::utils::playlistParser::PlaylistEntry::createErrorEntry("");
};

struct M3UContent {
    M3UContent(const std::vector<std::string>& variantURLs);

    M3UContent(
        const std::vector<avsCommon::utils::playlistParser::PlaylistEntry>& entries,
        bool isLive,
        long mediaSequence = INVALID_MEDIA_SEQUENCE);

    bool isMasterPlaylist() const;

    bool hasMediaSequence() const;

    bool empty() const;

    const std::vector<std::string> variantURLs;

    const std::vector<avsCommon::utils::playlistParser::PlaylistEntry> entries;

    const bool isLive;

    const long mediaSequence;
};

bool isPlaylistExtendedM3U(const std::string& playlistContent);

M3UContent parseM3UContent(const std::string& playlistURL, const std::string& content);

avsCommon::utils::playlistParser::EncryptionInfo parseHLSEncryptionLine(
    const std::string& line,
    const std::string& baseURL);

long parsePlaylistMediaSequence(const std::string& line);

avsCommon::utils::playlistParser::ByteRange parseHLSByteRangeLine(const std::string& line);

avsCommon::utils::playlistParser::PlaylistEntry parseHLSMapLine(const std::string& line, const std::string& baseURL);

}  // namespace playlistParser
}  // namespace alexaClientSDK

#endif  // ALEXA_CLIENT_SDK_PLAYLISTPARSER_INCLUDE_PLAYLISTPARSER_M3UPARSER_H_