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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef WEBKIT_MEDIA_CRYPTO_PPAPI_CDM_VIDEO_DECODER_H_ |
| 6 #define WEBKIT_MEDIA_CRYPTO_PPAPI_CDM_VIDEO_DECODER_H_ |
| 7 |
| 8 #include "base/basictypes.h" |
| 9 #include "base/memory/scoped_ptr.h" |
| 10 #include "webkit/media/crypto/ppapi/content_decryption_module.h" |
| 11 |
| 12 namespace webkit_media { |
| 13 |
| 14 class CdmVideoDecoder { |
| 15 public: |
| 16 virtual ~CdmVideoDecoder() {} |
| 17 virtual bool Initialize(const cdm::VideoDecoderConfig& config) = 0; |
| 18 virtual void Deinitialize() = 0; |
| 19 virtual void Reset() = 0; |
| 20 virtual bool is_initialized() const = 0; |
| 21 |
| 22 // Decodes |compressed_frame|. Stores output frame in |decoded_frame| and |
| 23 // returns |cdm::kSuccess| when an output frame is available. Returns |
| 24 // |cdm::kNeedMoreData| when |compressed_frame| does not produce an output |
| 25 // frame. Returns |cdm::kDecodeError| when decoding fails. |
| 26 virtual cdm::Status DecodeFrame(const uint8_t* compressed_frame, |
| 27 int32_t compressed_frame_size, |
| 28 int64_t timestamp, |
| 29 cdm::VideoFrame* decoded_frame) = 0; |
| 30 }; |
| 31 |
| 32 // Initializes appropriate video decoder based on GYP flags and the value of |
| 33 // |config.codec|. Returns a scoped_ptr containing a non-null initialized |
| 34 // CdmVideoDecoder* upon success. |
| 35 scoped_ptr<CdmVideoDecoder> CreateVideoDecoder( |
| 36 cdm::Allocator* allocator, |
| 37 const cdm::VideoDecoderConfig& config); |
| 38 |
| 39 } // namespace webkit_media |
| 40 |
| 41 #endif // WEBKIT_MEDIA_CRYPTO_PPAPI_CDM_VIDEO_DECODER_H_ |
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