// Copyright 2013 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef MEDIA_CDM_PPAPI_EXTERNAL_CLEAR_KEY_CDM_VIDEO_DECODER_H_ #define MEDIA_CDM_PPAPI_EXTERNAL_CLEAR_KEY_CDM_VIDEO_DECODER_H_ #include "base/basictypes.h" #include "base/memory/scoped_ptr.h" #include "media/cdm/ppapi/api/content_decryption_module.h" #include "media/cdm/ppapi/external_clear_key/clear_key_cdm_common.h" namespace media { class CdmVideoDecoder { public: virtual ~CdmVideoDecoder() {} virtual bool Initialize(const cdm::VideoDecoderConfig& config) = 0; virtual void Deinitialize() = 0; virtual void Reset() = 0; virtual bool is_initialized() const = 0; // Decodes |compressed_frame|. Stores output frame in |decoded_frame| and // returns |cdm::kSuccess| when an output frame is available. Returns // |cdm::kNeedMoreData| when |compressed_frame| does not produce an output // frame. Returns |cdm::kDecodeError| when decoding fails. // // A null |compressed_frame| will attempt to flush the decoder of any // remaining frames. |compressed_frame_size| and |timestamp| are ignored. virtual cdm::Status DecodeFrame(const uint8_t* compressed_frame, int32_t compressed_frame_size, int64_t timestamp, cdm::VideoFrame* decoded_frame) = 0; }; // Initializes appropriate video decoder based on GYP flags and the value of // |config.codec|. Returns a scoped_ptr containing a non-null initialized // CdmVideoDecoder* upon success. scoped_ptr<CdmVideoDecoder> CreateVideoDecoder( ClearKeyCdmHost* host, const cdm::VideoDecoderConfig& config); } // namespace media #endif // MEDIA_CDM_PPAPI_EXTERNAL_CLEAR_KEY_CDM_VIDEO_DECODER_H_