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_CDM_VIDEO_DECODER_H_ 6 #define MEDIA_CDM_PPAPI_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 12 namespace 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 // 27 // A null |compressed_frame| will attempt to flush the decoder of any 28 // remaining frames. |compressed_frame_size| and |timestamp| are ignored. 29 virtual cdm::Status DecodeFrame(const uint8_t* compressed_frame, 30 int32_t compressed_frame_size, 31 int64_t timestamp, 32 cdm::VideoFrame* decoded_frame) = 0; 33 }; 34 35 // Initializes appropriate video decoder based on GYP flags and the value of 36 // |config.codec|. Returns a scoped_ptr containing a non-null initialized 37 // CdmVideoDecoder* upon success. 38 scoped_ptr<CdmVideoDecoder> CreateVideoDecoder( 39 cdm::Host* host, const cdm::VideoDecoderConfig& config); 40 41 } // namespace media 42 43 #endif // MEDIA_CDM_PPAPI_CDM_VIDEO_DECODER_H_ 44
