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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_LIBVPX_CDM_VIDEO_DECODER_H_ |
| 6 #define WEBKIT_MEDIA_CRYPTO_PPAPI_LIBVPX_CDM_VIDEO_DECODER_H_ |
| 7 |
| 8 #include "base/basictypes.h" |
| 9 #include "base/compiler_specific.h" |
| 10 #include "webkit/media/crypto/ppapi/cdm_video_decoder.h" |
| 11 #include "webkit/media/crypto/ppapi/content_decryption_module.h" |
| 12 |
| 13 struct vpx_codec_ctx; |
| 14 struct vpx_image; |
| 15 |
| 16 namespace webkit_media { |
| 17 |
| 18 class LibvpxCdmVideoDecoder : public CdmVideoDecoder { |
| 19 public: |
| 20 explicit LibvpxCdmVideoDecoder(cdm::Allocator* allocator); |
| 21 virtual ~LibvpxCdmVideoDecoder(); |
| 22 |
| 23 // CdmVideoDecoder implementation. |
| 24 virtual bool Initialize(const cdm::VideoDecoderConfig& config) OVERRIDE; |
| 25 virtual void Deinitialize() OVERRIDE; |
| 26 virtual void Reset() OVERRIDE; |
| 27 virtual cdm::Status DecodeFrame(const uint8_t* compressed_frame, |
| 28 int32_t compressed_frame_size, |
| 29 int64_t timestamp, |
| 30 cdm::VideoFrame* decoded_frame) OVERRIDE; |
| 31 virtual bool is_initialized() const OVERRIDE { return is_initialized_; } |
| 32 |
| 33 // Returns true when |format| and |data_size| specify a supported video |
| 34 // output configuration. |
| 35 static bool IsValidOutputConfig(cdm::VideoFormat format, |
| 36 const cdm::Size& data_size); |
| 37 |
| 38 private: |
| 39 // Allocates storage, then copies video frame stored in |vpx_image_| to |
| 40 // |cdm_video_frame|. Returns true when allocation and copy succeed. |
| 41 bool CopyVpxImageTo(cdm::VideoFrame* cdm_video_frame); |
| 42 |
| 43 bool is_initialized_; |
| 44 |
| 45 cdm::Allocator* const allocator_; |
| 46 |
| 47 vpx_codec_ctx* vpx_codec_; |
| 48 vpx_image* vpx_image_; |
| 49 |
| 50 DISALLOW_COPY_AND_ASSIGN(LibvpxCdmVideoDecoder); |
| 51 }; |
| 52 |
| 53 } // namespace webkit_media |
| 54 |
| 55 #endif // WEBKIT_MEDIA_CRYPTO_PPAPI_LIBVPX_CDM_VIDEO_DECODER_H_ |
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