Index: media/capture/webm_muxer.h |
diff --git a/media/capture/webm_muxer.h b/media/capture/webm_muxer.h |
deleted file mode 100644 |
index 1f5e3d33b261471ee0eb51611d382b386778b7e5..0000000000000000000000000000000000000000 |
--- a/media/capture/webm_muxer.h |
+++ /dev/null |
@@ -1,142 +0,0 @@ |
-// Copyright 2015 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 MEDIA_FILTERS_LIBWEBM_MUXER_H_ |
-#define MEDIA_FILTERS_LIBWEBM_MUXER_H_ |
- |
-#include <stdint.h> |
- |
-#include <deque> |
- |
-#include "base/callback.h" |
-#include "base/macros.h" |
-#include "base/numerics/safe_math.h" |
-#include "base/strings/string_piece.h" |
-#include "base/threading/thread_checker.h" |
-#include "base/time/time.h" |
-#include "media/base/media_export.h" |
-#include "media/base/video_codecs.h" |
-#include "third_party/libwebm/source/mkvmuxer.hpp" |
- |
-namespace gfx { |
-class Size; |
-} // namespace gfx |
- |
-namespace media { |
- |
-class VideoFrame; |
-class AudioParameters; |
- |
-// Adapter class to manage a WebM container [1], a simplified version of a |
-// Matroska container [2], composed of an EBML header, and a single Segment |
-// including at least a Track Section and a number of SimpleBlocks each |
-// containing a single encoded video or audio frame. WebM container has no |
-// Trailer. |
-// Clients will push encoded VPx video frames and Opus audio frames one by one |
-// via OnEncoded{Video|Audio}(). libwebm will eventually ping the WriteDataCB |
-// passed on contructor with the wrapped encoded data. |
-// WebmMuxer is designed for use on a single thread. |
-// [1] http://www.webmproject.org/docs/container/ |
-// [2] http://www.matroska.org/technical/specs/index.html |
-class MEDIA_EXPORT WebmMuxer : public NON_EXPORTED_BASE(mkvmuxer::IMkvWriter) { |
- public: |
- // Callback to be called when WebmMuxer is ready to write a chunk of data, |
- // either any file header or a SingleBlock. |
- using WriteDataCB = base::Callback<void(base::StringPiece)>; |
- |
- // |codec| can be VP8 or VP9 and should coincide with whatever is sent in |
- // OnEncodedVideo(). |
- WebmMuxer(VideoCodec codec, |
- bool has_video_, |
- bool has_audio_, |
- const WriteDataCB& write_data_callback); |
- ~WebmMuxer() override; |
- |
- // Functions to add video and audio frames with |encoded_data.data()| |
- // to WebM Segment. |
- void OnEncodedVideo(const scoped_refptr<VideoFrame>& video_frame, |
- scoped_ptr<std::string> encoded_data, |
- base::TimeTicks timestamp, |
- bool is_key_frame); |
- void OnEncodedAudio(const media::AudioParameters& params, |
- scoped_ptr<std::string> encoded_data, |
- base::TimeTicks timestamp); |
- |
- private: |
- friend class WebmMuxerTest; |
- |
- // Methods for creating and adding video and audio tracks, called upon |
- // receiving the first frame of a given Track. |
- // AddVideoTrack adds |frame_size| and |frame_rate| to the Segment |
- // info, although individual frames passed to OnEncodedVideo() can have any |
- // frame size. |
- void AddVideoTrack(const gfx::Size& frame_size, double frame_rate); |
- void AddAudioTrack(const media::AudioParameters& params); |
- |
- // IMkvWriter interface. |
- mkvmuxer::int32 Write(const void* buf, mkvmuxer::uint32 len) override; |
- mkvmuxer::int64 Position() const override; |
- mkvmuxer::int32 Position(mkvmuxer::int64 position) override; |
- bool Seekable() const override; |
- void ElementStartNotify(mkvmuxer::uint64 element_id, |
- mkvmuxer::int64 position) override; |
- |
- // Helper to simplify saving frames. |
- void AddFrame(scoped_ptr<std::string> encoded_data, |
- uint8_t track_index, |
- base::TimeTicks timestamp, |
- bool is_key_frame); |
- |
- // Used to DCHECK that we are called on the correct thread. |
- base::ThreadChecker thread_checker_; |
- |
- // Video Codec configured: VP9 if true, otherwise VP8 is used by default. |
- const bool use_vp9_; |
- |
- // Caller-side identifiers to interact with |segment_|, initialised upon |
- // first frame arrival to Add{Video, Audio}Track(). |
- uint8_t video_track_index_; |
- uint8_t audio_track_index_; |
- |
- // Origin of times for frame timestamps. |
- base::TimeTicks first_frame_timestamp_; |
- base::TimeDelta most_recent_timestamp_; |
- |
- // TODO(ajose): Change these when support is added for multiple tracks. |
- // http://crbug.com/528523 |
- const bool has_video_; |
- const bool has_audio_; |
- |
- // Callback to dump written data as being called by libwebm. |
- const WriteDataCB write_data_callback_; |
- |
- // Rolling counter of the position in bytes of the written goo. |
- base::CheckedNumeric<mkvmuxer::int64> position_; |
- |
- // The MkvMuxer active element. |
- mkvmuxer::Segment segment_; |
- |
- // Hold on to all encoded video frames to dump them with and when audio is |
- // received, if expected, since WebM headers can only be written once. |
- struct EncodedVideoFrame { |
- EncodedVideoFrame(scoped_ptr<std::string> data, |
- base::TimeTicks timestamp, |
- bool is_keyframe); |
- ~EncodedVideoFrame(); |
- |
- scoped_ptr<std::string> data; |
- base::TimeTicks timestamp; |
- bool is_keyframe; |
- |
- private: |
- DISALLOW_IMPLICIT_CONSTRUCTORS(EncodedVideoFrame); |
- }; |
- std::deque<scoped_ptr<EncodedVideoFrame>> encoded_frames_queue_; |
- |
- DISALLOW_COPY_AND_ASSIGN(WebmMuxer); |
-}; |
- |
-} // namespace media |
- |
-#endif // MEDIA_FILTERS_LIBWEBM_MUXER_H_ |