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media / base / supported_types.h [blame]

// Copyright 2018 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_BASE_SUPPORTED_TYPES_H_
#define MEDIA_BASE_SUPPORTED_TYPES_H_

#include "base/containers/flat_set.h"
#include "media/base/media_export.h"
#include "media/base/media_types.h"

namespace media {

// These functions will attempt to delegate to MediaClient (when present) to
// describe what types of media are supported. When no MediaClient is provided,
// they will fall back to calling the Default functions below.
MEDIA_EXPORT bool IsDecoderSupportedAudioType(const AudioType& type);
MEDIA_EXPORT bool IsDecoderSupportedVideoType(const VideoType& type);
MEDIA_EXPORT bool IsEncoderSupportedVideoType(const VideoType& type);

// These functions describe what media/ alone supports. They do not call out to
// MediaClient and do not describe media/ embedder customization. Callers should
// generally prefer the non-Default APIs above.
MEDIA_EXPORT bool IsDefaultDecoderSupportedAudioType(const AudioType& type);
MEDIA_EXPORT bool IsDefaultDecoderSupportedVideoType(const VideoType& type);
MEDIA_EXPORT bool IsDefaultEncoderSupportedVideoType(const VideoType& type);

// This function describe if the specific video decoder codec is a built into
// the binary or not.
MEDIA_EXPORT bool IsDecoderBuiltInVideoCodec(VideoCodec codec);
MEDIA_EXPORT bool IsEncoderBuiltInVideoCodec(VideoCodec codec);

// This function describe if the specific video encoder codec is likely to have
// a platform software encoder, and we also allow to select this encoder.
MEDIA_EXPORT bool MayHaveAndAllowSelectOSSoftwareEncoder(VideoCodec codec);

// This function lets the caller add additional video decoder codec profiles to
// those supported by default. Used primarily to add platform supported codec
// profiles once support is known.
MEDIA_EXPORT void UpdateDefaultDecoderSupportedVideoProfiles(
    const base::flat_set<VideoCodecProfile>& profiles);

// This function lets the caller add additional audio decoder codec and profile
// to those supported by default. Used primarily to add platform supported
// codecs once support is known.
MEDIA_EXPORT void UpdateDefaultDecoderSupportedAudioTypes(
    const base::flat_set<AudioType>& types);

// This function lets the caller add additional video encoder codec profiles to
// those supported by default. Used primarily to add platform supported codec
// profiles once support is known.
MEDIA_EXPORT void UpdateDefaultEncoderSupportedVideoProfiles(
    const base::flat_set<VideoCodecProfile>& profiles);

}  // namespace media

#endif  // MEDIA_BASE_SUPPORTED_TYPES_H_