127
135
virtual const core::Property<int64_t>& position() const = 0;
128
136
virtual const core::Property<int64_t>& duration() const = 0;
129
137
virtual const core::Property<AudioStreamRole>& audio_stream_role() const = 0;
131
140
virtual core::Property<LoopStatus>& loop_status() = 0;
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141
virtual core::Property<PlaybackRate>& playback_rate() = 0;