Index: webkit/media/crypto/decoders/ffmpeg_video_decoder.h |
diff --git a/webkit/media/crypto/decoders/ffmpeg_video_decoder.h b/webkit/media/crypto/decoders/ffmpeg_video_decoder.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..86ee37d8d0c61a29e47cb6686e8c9e5ecde2c1c0 |
--- /dev/null |
+++ b/webkit/media/crypto/decoders/ffmpeg_video_decoder.h |
@@ -0,0 +1,49 @@ |
+// 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_DECODERS_FFMPEG_VIDEO_DECODER_H_ |
+#define WEBKIT_MEDIA_CRYPTO_DECODERS_FFMPEG_VIDEO_DECODER_H_ |
+ |
+#include "base/basictypes.h" |
+#include "base/compiler_specific.h" |
+#include "webkit/media/crypto/decoders/video_decoder.h" |
+#include "webkit/media/crypto/ppapi/content_decryption_module.h" |
+ |
+struct AVCodecContext; |
+struct AVFrame; |
+ |
+namespace webkit_media { |
+ |
+class FFmpegVideoDecoder : public VideoDecoder { |
+ public: |
+ FFmpegVideoDecoder(); |
+ virtual ~FFmpegVideoDecoder(); |
+ virtual bool Initialize(const cdm::VideoDecoderConfig& config) OVERRIDE; |
+ virtual bool DecodeFrame(const cdm::VideoFrame& compressed_frame, |
+ cdm::VideoFrame* decompressed_frame) OVERRIDE; |
+ |
+ // Callback called from within FFmpeg to allocate a buffer based on |
+ // the dimensions of |codec_context|. See AVCodecContext.get_buffer |
+ // documentation inside FFmpeg. |
+ int GetVideoBuffer(AVCodecContext *codec_context, AVFrame* frame); |
+ |
+ static bool IsValidConfig(cdm::VideoFrame::ColorFormat format, |
+ const cdm::VideoFrame::Size& data_size); |
+ |
+ cdm::VideoFrame* CreateVideoFrame(cdm::VideoFrame::ColorFormat format, |
ddorwin
2012/09/02 21:39:08
A FrameDescription object would be useful here too
|
+ const cdm::VideoFrame::Size& size, |
+ const base::TimeDelta& timestamp); |
+ private: |
+ void ReleaseFFmpegResources(); |
+ |
+ // FFmpeg structures owned by this object. |
+ AVCodecContext* codec_context_; |
+ AVFrame* av_frame_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(FFmpegVideoDecoder); |
+}; |
+ |
+} // namespace webkit_media |
+ |
+#endif // WEBKIT_MEDIA_CRYPTO_DECODERS_FFMPEG_VIDEO_DECODER_H_ |