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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include <cstring> | 5 #include <cstring> |
6 #include <string> | 6 #include <string> |
7 #include <vector> | 7 #include <vector> |
8 | 8 |
9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
10 #include "base/compiler_specific.h" | 10 #include "base/compiler_specific.h" |
11 #include "ppapi/c/pp_errors.h" | 11 #include "ppapi/c/pp_errors.h" |
12 #include "ppapi/c/pp_stdint.h" | 12 #include "ppapi/c/pp_stdint.h" |
13 #include "ppapi/c/private/pp_content_decryptor.h" | 13 #include "ppapi/c/private/pp_content_decryptor.h" |
14 #include "ppapi/cpp/completion_callback.h" | 14 #include "ppapi/cpp/completion_callback.h" |
15 #include "ppapi/cpp/core.h" | 15 #include "ppapi/cpp/core.h" |
16 #include "ppapi/cpp/instance.h" | 16 #include "ppapi/cpp/instance.h" |
17 #include "ppapi/cpp/logging.h" | 17 #include "ppapi/cpp/logging.h" |
18 #include "ppapi/cpp/module.h" | 18 #include "ppapi/cpp/module.h" |
19 #include "ppapi/cpp/pass_ref.h" | 19 #include "ppapi/cpp/pass_ref.h" |
20 #include "ppapi/cpp/resource.h" | 20 #include "ppapi/cpp/resource.h" |
21 #include "ppapi/cpp/var.h" | 21 #include "ppapi/cpp/var.h" |
22 #include "ppapi/cpp/var_array_buffer.h" | 22 #include "ppapi/cpp/var_array_buffer.h" |
23 #include "ppapi/cpp/dev/buffer_dev.h" | 23 #include "ppapi/cpp/dev/buffer_dev.h" |
24 #include "ppapi/cpp/private/content_decryptor_private.h" | 24 #include "ppapi/cpp/private/content_decryptor_private.h" |
25 #include "ppapi/utility/completion_callback_factory.h" | 25 #include "ppapi/utility/completion_callback_factory.h" |
26 #include "webkit/media/crypto/ppapi/content_decryption_module.h" | |
26 #include "webkit/media/crypto/ppapi/linked_ptr.h" | 27 #include "webkit/media/crypto/ppapi/linked_ptr.h" |
27 #include "webkit/media/crypto/ppapi/content_decryption_module.h" | |
28 | 28 |
29 namespace { | 29 namespace { |
30 | 30 |
31 // This must be consistent with MediaKeyError defined in the spec: | 31 // This must be consistent with MediaKeyError defined in the spec: |
32 // http://goo.gl/rbdnR | 32 // http://goo.gl/rbdnR |
33 // TODO(xhwang): Add PP_MediaKeyError enum to avoid later static_cast in | 33 // TODO(xhwang): Add PP_MediaKeyError enum to avoid later static_cast in |
34 // PluginInstance. | 34 // PluginInstance. |
35 enum MediaKeyError { | 35 enum MediaKeyError { |
36 kUnknownError = 1, | 36 kUnknownError = 1, |
37 kClientError, | 37 kClientError, |
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119 if (format == PP_DECRYPTEDFRAMEFORMAT_YV12) | 119 if (format == PP_DECRYPTEDFRAMEFORMAT_YV12) |
120 return cdm::kYv12; | 120 return cdm::kYv12; |
121 else if (format == PP_DECRYPTEDFRAMEFORMAT_I420) | 121 else if (format == PP_DECRYPTEDFRAMEFORMAT_I420) |
122 return cdm::kI420; | 122 return cdm::kI420; |
123 else if (format == PP_DECRYPTEDFRAMEFORMAT_EMPTY) | 123 else if (format == PP_DECRYPTEDFRAMEFORMAT_EMPTY) |
124 return cdm::kEmptyVideoFrame; | 124 return cdm::kEmptyVideoFrame; |
125 | 125 |
126 return cdm::kUnknownVideoFormat; | 126 return cdm::kUnknownVideoFormat; |
127 } | 127 } |
128 | 128 |
129 cdm::StreamType PpDecryptorStreamTypeToCdmStreamType( | |
130 PP_DecryptorStreamType stream_type) { | |
131 if (stream_type == PP_DECRYPTORSTREAMTYPE_AUDIO) | |
ddorwin
2012/10/13 03:54:42
Use switch. Depending on settings, can ensure you
Tom Finegan
2012/10/13 23:47:26
Done.
| |
132 return cdm::kStreamTypeAudio; | |
133 | |
134 return cdm::kStreamTypeVideo; | |
135 } | |
136 | |
129 } // namespace | 137 } // namespace |
130 | 138 |
131 namespace webkit_media { | 139 namespace webkit_media { |
132 | 140 |
133 // Provides access to memory owned by a pp::Buffer_Dev created by | 141 // Provides access to memory owned by a pp::Buffer_Dev created by |
134 // PpbBufferAllocator::Allocate(). This class holds a reference to the | 142 // PpbBufferAllocator::Allocate(). This class holds a reference to the |
135 // Buffer_Dev throughout its lifetime. | 143 // Buffer_Dev throughout its lifetime. |
136 class PpbBuffer : public cdm::Buffer { | 144 class PpbBuffer : public cdm::Buffer { |
137 public: | 145 public: |
138 // cdm::Buffer methods. | 146 // cdm::Buffer methods. |
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595 cdm_decoder_config.extra_data = | 603 cdm_decoder_config.extra_data = |
596 static_cast<uint8_t*>(extra_data_buffer.data()); | 604 static_cast<uint8_t*>(extra_data_buffer.data()); |
597 cdm_decoder_config.extra_data_size = | 605 cdm_decoder_config.extra_data_size = |
598 static_cast<int32_t>(extra_data_buffer.size()); | 606 static_cast<int32_t>(extra_data_buffer.size()); |
599 cdm::Status status = cdm_->InitializeVideoDecoder(cdm_decoder_config); | 607 cdm::Status status = cdm_->InitializeVideoDecoder(cdm_decoder_config); |
600 | 608 |
601 CallOnMain(callback_factory_.NewCallback( | 609 CallOnMain(callback_factory_.NewCallback( |
602 &CdmWrapper::DecoderInitialized, | 610 &CdmWrapper::DecoderInitialized, |
603 status == cdm::kSuccess, | 611 status == cdm::kSuccess, |
604 decoder_config.request_id)); | 612 decoder_config.request_id)); |
605 | |
606 } | 613 } |
607 | 614 |
608 void CdmWrapper::DeinitializeDecoder(PP_DecryptorStreamType decoder_type, | 615 void CdmWrapper::DeinitializeDecoder(PP_DecryptorStreamType decoder_type, |
609 uint32_t request_id) { | 616 uint32_t request_id) { |
610 // TODO(tomfinegan): Implement DeinitializeDecoder in clear key CDM, and call | 617 cdm_->DeinitializeDecoder(PpDecryptorStreamTypeToCdmStreamType(decoder_type)); |
611 // it here. | |
612 CallOnMain(callback_factory_.NewCallback( | 618 CallOnMain(callback_factory_.NewCallback( |
613 &CdmWrapper::DecoderDeinitializeDone, | 619 &CdmWrapper::DecoderDeinitializeDone, |
614 decoder_type, | 620 decoder_type, |
615 request_id)); | 621 request_id)); |
616 } | 622 } |
617 | 623 |
618 void CdmWrapper::ResetDecoder(PP_DecryptorStreamType decoder_type, | 624 void CdmWrapper::ResetDecoder(PP_DecryptorStreamType decoder_type, |
619 uint32_t request_id) { | 625 uint32_t request_id) { |
620 // TODO(tomfinegan): Implement ResetDecoder in clear key CDM, and call it | 626 cdm_->ResetDecoder(PpDecryptorStreamTypeToCdmStreamType(decoder_type)); |
621 // here. | |
622 CallOnMain(callback_factory_.NewCallback(&CdmWrapper::DecoderResetDone, | 627 CallOnMain(callback_factory_.NewCallback(&CdmWrapper::DecoderResetDone, |
623 decoder_type, | 628 decoder_type, |
624 request_id)); | 629 request_id)); |
625 } | 630 } |
626 | 631 |
627 void CdmWrapper::DecryptAndDecode( | 632 void CdmWrapper::DecryptAndDecode( |
628 PP_DecryptorStreamType decoder_type, | 633 PP_DecryptorStreamType decoder_type, |
629 pp::Buffer_Dev encrypted_buffer, | 634 pp::Buffer_Dev encrypted_buffer, |
630 const PP_EncryptedBlockInfo& encrypted_block_info) { | 635 const PP_EncryptedBlockInfo& encrypted_block_info) { |
631 // TODO(tomfinegan): Remove this check when audio decoding is added. | 636 // TODO(tomfinegan): Remove this check when audio decoding is added. |
632 PP_DCHECK(decoder_type == PP_DECRYPTORSTREAMTYPE_VIDEO); | 637 PP_DCHECK(decoder_type == PP_DECRYPTORSTREAMTYPE_VIDEO); |
633 | 638 |
634 PP_DCHECK(!encrypted_buffer.is_null()); | |
635 PP_DCHECK(cdm_); | 639 PP_DCHECK(cdm_); |
636 | 640 |
637 cdm::InputBuffer input_buffer; | 641 cdm::InputBuffer input_buffer; |
638 std::vector<cdm::SubsampleEntry> subsamples; | 642 std::vector<cdm::SubsampleEntry> subsamples; |
639 ConfigureInputBuffer(encrypted_buffer, | 643 if (!encrypted_buffer.is_null()) { |
640 encrypted_block_info, | 644 ConfigureInputBuffer(encrypted_buffer, |
641 &subsamples, | 645 encrypted_block_info, |
642 &input_buffer); | 646 &subsamples, |
647 &input_buffer); | |
648 } | |
643 | 649 |
644 LinkedVideoFrame video_frame(new VideoFrameImpl()); | 650 LinkedVideoFrame video_frame(new VideoFrameImpl()); |
645 cdm::Status status = cdm_->DecryptAndDecodeFrame(input_buffer, | 651 cdm::Status status = cdm_->DecryptAndDecodeFrame(input_buffer, |
646 video_frame.get()); | 652 video_frame.get()); |
647 CallOnMain(callback_factory_.NewCallback( | 653 CallOnMain(callback_factory_.NewCallback( |
648 &CdmWrapper::DeliverFrame, | 654 &CdmWrapper::DeliverFrame, |
649 status, | 655 status, |
650 video_frame, | 656 video_frame, |
651 encrypted_block_info.tracking_info)); | 657 encrypted_block_info.tracking_info)); |
652 } | 658 } |
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828 } // namespace webkit_media | 834 } // namespace webkit_media |
829 | 835 |
830 namespace pp { | 836 namespace pp { |
831 | 837 |
832 // Factory function for your specialization of the Module object. | 838 // Factory function for your specialization of the Module object. |
833 Module* CreateModule() { | 839 Module* CreateModule() { |
834 return new webkit_media::CdmWrapperModule(); | 840 return new webkit_media::CdmWrapperModule(); |
835 } | 841 } |
836 | 842 |
837 } // namespace pp | 843 } // namespace pp |
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