1 // Copyright 2013 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 MEDIA_CDM_PPAPI_EXTERNAL_CLEAR_KEY_CDM_VIDEO_DECODER_H_ 6 #define MEDIA_CDM_PPAPI_EXTERNAL_CLEAR_KEY_CDM_VIDEO_DECODER_H_ 7 8 #include "base/basictypes.h" 9 #include "base/memory/scoped_ptr.h" 10 #include "media/cdm/ppapi/api/content_decryption_module.h" 11 #include "media/cdm/ppapi/external_clear_key/clear_key_cdm_common.h" 12 13 namespace media { 14 15 class CdmVideoDecoder { 16 public: 17 virtual ~CdmVideoDecoder() {} 18 virtual bool Initialize(const cdm::VideoDecoderConfig& config) = 0; 19 virtual void Deinitialize() = 0; 20 virtual void Reset() = 0; 21 virtual bool is_initialized() const = 0; 22 23 // Decodes |compressed_frame|. Stores output frame in |decoded_frame| and 24 // returns |cdm::kSuccess| when an output frame is available. Returns 25 // |cdm::kNeedMoreData| when |compressed_frame| does not produce an output 26 // frame. Returns |cdm::kDecodeError| when decoding fails. 27 // 28 // A null |compressed_frame| will attempt to flush the decoder of any 29 // remaining frames. |compressed_frame_size| and |timestamp| are ignored. 30 virtual cdm::Status DecodeFrame(const uint8_t* compressed_frame, 31 int32_t compressed_frame_size, 32 int64_t timestamp, 33 cdm::VideoFrame* decoded_frame) = 0; 34 }; 35 36 // Initializes appropriate video decoder based on GYP flags and the value of 37 // |config.codec|. Returns a scoped_ptr containing a non-null initialized 38 // CdmVideoDecoder* upon success. 39 scoped_ptr<CdmVideoDecoder> CreateVideoDecoder( 40 ClearKeyCdmHost* host, const cdm::VideoDecoderConfig& config); 41 42 } // namespace media 43 44 #endif // MEDIA_CDM_PPAPI_EXTERNAL_CLEAR_KEY_CDM_VIDEO_DECODER_H_ 45
