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Diffstat (limited to 'chromium/media/base/android/video_media_codec_decoder.h')
-rw-r--r-- | chromium/media/base/android/video_media_codec_decoder.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/chromium/media/base/android/video_media_codec_decoder.h b/chromium/media/base/android/video_media_codec_decoder.h new file mode 100644 index 00000000000..03497269ba1 --- /dev/null +++ b/chromium/media/base/android/video_media_codec_decoder.h @@ -0,0 +1,130 @@ +// 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_BASE_ANDROID_VIDEO_MEDIA_CODEC_DECODER_H_ +#define MEDIA_BASE_ANDROID_VIDEO_MEDIA_CODEC_DECODER_H_ + +#include <stddef.h> + +#include <set> +#include "base/macros.h" +#include "media/base/android/media_codec_decoder.h" +#include "ui/gfx/geometry/size.h" +#include "ui/gl/android/scoped_java_surface.h" + +namespace media { + +// Video decoder for MediaCodecPlayer +class VideoMediaCodecDecoder : public MediaCodecDecoder { + public: + // Typedefs for the notification callbacks + typedef base::Callback<void(const gfx::Size& video_size)> + VideoSizeChangedCallback; + + // For parameters see media_codec_decoder.h + // update_current_time_cb: callback that reports current playback time. + // Called for released output frame, + // video_size_changed_cb: reports the new video size, + // codec_created_cb: reports that video codec has been created. A controller + // class might use it to release more resources so that this + // decoder can use them. + VideoMediaCodecDecoder( + const scoped_refptr<base::SingleThreadTaskRunner>& media_runner, + FrameStatistics* frame_statistics, + const base::Closure& request_data_cb, + const base::Closure& starvation_cb, + const base::Closure& drained_requested_cb, + const base::Closure& stop_done_cb, + const base::Closure& waiting_for_decryption_key_cb, + const base::Closure& error_cb, + const SetTimeCallback& update_current_time_cb, + const VideoSizeChangedCallback& video_size_changed_cb); + ~VideoMediaCodecDecoder() override; + + const char* class_name() const override; + + bool HasStream() const override; + void SetDemuxerConfigs(const DemuxerConfigs& configs) override; + bool IsContentEncrypted() const override; + void ReleaseDecoderResources() override; + void ReleaseMediaCodec() override; + + // Stores the video surface to use with upcoming Configure() + void SetVideoSurface(gfx::ScopedJavaSurface surface); + + // Returns true if there is a video surface to use. + bool HasVideoSurface() const; + + // Sets whether protected surface is needed for the currently used DRM. + void SetProtectedSurfaceRequired(bool value); + + // Returns true if protected surface is needed. + bool IsProtectedSurfaceRequired() const; + + protected: + bool IsCodecReconfigureNeeded(const DemuxerConfigs& next) const override; + ConfigStatus ConfigureInternal(jobject media_crypto) override; + void AssociateCurrentTimeWithPTS(base::TimeDelta pts) override; + void DissociatePTSFromTime() override; + void OnOutputFormatChanged() override; + void Render(int buffer_index, + size_t offset, + size_t size, + RenderMode render_mode, + base::TimeDelta pts, + bool eos_encountered) override; + + int NumDelayedRenderTasks() const override; + void ReleaseDelayedBuffers() override; + +#ifndef NDEBUG + void VerifyUnitIsKeyFrame(const AccessUnit* unit) const override; +#endif + + private: + // A helper method that releases output buffers and does + // post-release checks. Might be called by Render() or posted + // for later execution. + void ReleaseOutputBuffer(int buffer_index, + base::TimeDelta pts, + bool render, + bool update_time, + bool eos_encountered); + + // Data. + + // Configuration received from demuxer + DemuxerConfigs configs_; + + // Video surface that we render to. + gfx::ScopedJavaSurface surface_; + + // Flags that indicates whether we need protected surface. + bool is_protected_surface_required_; + + // Reports current playback time to the callee. + SetTimeCallback update_current_time_cb_; + + // Informs the callee that video size is changed. + VideoSizeChangedCallback video_size_changed_cb_; + + // Current video size to be sent with |video_size_changed_cb_|. + gfx::Size video_size_; + + // Indices of output buffers that are posted for rendering. + std::set<int> delayed_buffers_; + + // Associate presentation timestamps with time. + base::TimeTicks start_time_ticks_; + base::TimeDelta start_pts_; + + // Mantain the last seen PTS for stand-alone EOS. + base::TimeDelta last_seen_pts_; + + DISALLOW_COPY_AND_ASSIGN(VideoMediaCodecDecoder); +}; + +} // namespace media + +#endif // MEDIA_BASE_ANDROID_VIDEO_MEDIA_CODEC_DECODER_H_ |