| // 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_MEDIA_CODEC_VIDEO_DECODER_H_ |
| #define MEDIA_BASE_ANDROID_MEDIA_CODEC_VIDEO_DECODER_H_ |
| |
| #include <set> |
| #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 MediaCodecVideoDecoder : 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. |
| MediaCodecVideoDecoder( |
| 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); |
| ~MediaCodecVideoDecoder() 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(MediaCodecVideoDecoder); |
| }; |
| |
| } // namespace media |
| |
| #endif // MEDIA_BASE_ANDROID_MEDIA_CODEC_VIDEO_DECODER_H_ |