Index: webkit/media/crypto/ppapi/ffmpeg_cdm_video_decoder.h |
diff --git a/webkit/media/crypto/ppapi/ffmpeg_cdm_video_decoder.h b/webkit/media/crypto/ppapi/ffmpeg_cdm_video_decoder.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..7fcfcb5603c473969f87b9ed35c2d21b037e129c |
--- /dev/null |
+++ b/webkit/media/crypto/ppapi/ffmpeg_cdm_video_decoder.h |
@@ -0,0 +1,59 @@ |
+// Copyright (c) 2012 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef WEBKIT_MEDIA_CRYPTO_PPAPI_FFMPEG_CDM_VIDEO_DECODER_H_ |
+#define WEBKIT_MEDIA_CRYPTO_PPAPI_FFMPEG_CDM_VIDEO_DECODER_H_ |
+ |
+#include "base/basictypes.h" |
+#include "base/compiler_specific.h" |
+#include "webkit/media/crypto/ppapi/content_decryption_module.h" |
+ |
+struct AVCodecContext; |
+struct AVFrame; |
+ |
+namespace webkit_media { |
+ |
+class FFmpegCdmVideoDecoder { |
+ public: |
+ FFmpegCdmVideoDecoder(cdm::Allocator* allocator); |
+ ~FFmpegCdmVideoDecoder(); |
+ bool Initialize(const cdm::VideoDecoderConfig& config); |
+ void Deinitialize(); |
+ void Reset(); |
+ |
+ // Returns true when |format| and |data_size| specify a supported video |
+ // output configuration. |
+ static bool IsValidOutputConfig(cdm::VideoFormat format, |
+ const cdm::Size& data_size); |
+ |
+ // Decodes |compressed_frame|. Stores output frame in |decoded_frame| and |
+ // returns |cdm::kSuccess| when an output frame is available. Returns |
+ // |cdm::kNeedMoreData| when |compressed_frame| does not produce an output |
+ // frame. Returns |cdm::kDecodeError| when decoding fails. |
+ cdm::Status DecodeFrame(const uint8_t* compressed_frame, |
+ int32_t compressed_frame_size, |
+ int64_t timestamp, |
+ cdm::VideoFrame* decoded_frame); |
+ |
+ private: |
+ // Allocates storage, then copies video frame stored in |av_frame_| to |
+ // |cdm_video_frame|. Returns true when allocation and copy succeed. |
+ bool CopyAvFrameTo(cdm::VideoFrame* cdm_video_frame); |
+ |
+ void ReleaseFFmpegResources(); |
+ |
+ // FFmpeg structures owned by this object. |
+ AVCodecContext* codec_context_; |
+ AVFrame* av_frame_; |
+ |
+ bool is_initialized_; |
+ |
+ cdm::Allocator* const allocator_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(FFmpegCdmVideoDecoder); |
+}; |
+ |
+} // namespace webkit_media |
+ |
+#endif // WEBKIT_MEDIA_CRYPTO_PPAPI_FFMPEG_CDM_VIDEO_DECODER_H_ |