chromium/media/formats/hls/rendition_manager.h

// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef MEDIA_FORMATS_HLS_RENDITION_MANAGER_H_
#define MEDIA_FORMATS_HLS_RENDITION_MANAGER_H_

#include <deque>
#include <optional>
#include <set>
#include <string>
#include <string_view>
#include <vector>

#include "base/containers/flat_set.h"
#include "base/containers/span.h"
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/scoped_refptr.h"
#include "base/time/time.h"
#include "base/types/id_type.h"
#include "media/base/demuxer.h"
#include "media/base/limits.h"
#include "media/base/media_export.h"
#include "media/formats/hls/types.h"
#include "ui/gfx/geometry/size.h"
#include "url/gurl.h"

namespace media::hls {

class MultivariantPlaylist;
class VariantStream;
class AudioRendition;
class AudioRenditionGroup;

// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum class AdaptationReason { … };

// Class responsible for tracking playability state of all variants and
// renditions in a multivariant playlist. It will always select a preferred
// variant, and then from within that variant, select an optional audio-override
// rendition. The selection depends on user preference, network speed, frame
// drops, underflow events, and player resolution.
class MEDIA_EXPORT RenditionManager { … };

}  // namespace media::hls

#endif  // MEDIA_FORMATS_HLS_RENDITION_MANAGER_H_