1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef MEDIA_BASE_ANDROID_VIDEO_DECODER_JOB_H_ 6 #define MEDIA_BASE_ANDROID_VIDEO_DECODER_JOB_H_ 7 8 #include <jni.h> 9 10 #include "media/base/android/media_decoder_job.h" 11 12 namespace media { 13 14 class VideoCodecBridge; 15 16 // Class for managing video decoding jobs. 17 class VideoDecoderJob : public MediaDecoderJob { 18 public: 19 // Create a new VideoDecoderJob instance. 20 // |request_data_cb| - Callback used to request more data for the decoder. 21 // |request_resources_cb| - Callback used to request resources. 22 // |on_demuxer_config_changed_cb| - Callback used to inform the caller that 23 // demuxer config has changed. 24 VideoDecoderJob( 25 const base::Closure& request_data_cb, 26 const base::Closure& request_resources_cb, 27 const base::Closure& on_demuxer_config_changed_cb); 28 virtual ~VideoDecoderJob(); 29 30 // Passes a java surface object to the codec. Returns true if the surface 31 // can be used by the decoder, or false otherwise. 32 bool SetVideoSurface(gfx::ScopedJavaSurface surface); 33 34 // MediaDecoderJob implementation. 35 virtual bool HasStream() const OVERRIDE; 36 virtual void Flush() OVERRIDE; 37 virtual void ReleaseDecoderResources() OVERRIDE; 38 virtual void SetDemuxerConfigs(const DemuxerConfigs& configs) OVERRIDE; 39 next_video_data_is_iframe()40 bool next_video_data_is_iframe() { 41 return next_video_data_is_iframe_; 42 } 43 output_width()44 int output_width() const { return output_width_; } output_height()45 int output_height() const { return output_height_; } 46 47 private: 48 // MediaDecoderJob implementation. 49 virtual void ReleaseOutputBuffer( 50 int output_buffer_index, 51 size_t size, 52 bool render_output, 53 base::TimeDelta current_presentation_timestamp, 54 const ReleaseOutputCompletionCallback& callback) OVERRIDE; 55 virtual bool ComputeTimeToRender() const OVERRIDE; 56 virtual bool IsCodecReconfigureNeeded( 57 const DemuxerConfigs& configs) const OVERRIDE; 58 virtual bool AreDemuxerConfigsChanged( 59 const DemuxerConfigs& configs) const OVERRIDE; 60 virtual bool CreateMediaCodecBridgeInternal() OVERRIDE; 61 virtual void CurrentDataConsumed(bool is_config_change) OVERRIDE; 62 virtual bool UpdateOutputFormat() OVERRIDE; 63 64 // Returns true if a protected surface is required for video playback. 65 bool IsProtectedSurfaceRequired(); 66 67 // Video configs from the demuxer. 68 VideoCodec video_codec_; 69 int config_width_; 70 int config_height_; 71 72 // Video output format. 73 int output_width_; 74 int output_height_; 75 76 // The surface object currently owned by the player. 77 gfx::ScopedJavaSurface surface_; 78 79 // Callbacks to inform the caller about decoder resources change. 80 base::Closure request_resources_cb_; 81 base::Closure release_resources_cb_; 82 83 // Track whether the next access unit is an I-frame. The first access 84 // unit after Flush() and CurrentDataConsumed(true) is guaranteed to be an 85 // I-frame. 86 bool next_video_data_is_iframe_; 87 88 DISALLOW_COPY_AND_ASSIGN(VideoDecoderJob); 89 }; 90 91 } // namespace media 92 93 #endif // MEDIA_BASE_ANDROID_VIDEO_DECODER_JOB_H_ 94