| // 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_ |