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| 1 | +import flet as ft |
| 2 | + |
| 3 | +import flet_audio as fta |
| 4 | + |
| 5 | + |
| 6 | +def main(page: ft.Page): |
| 7 | + url = "https://github.com/mdn/webaudio-examples/blob/main/audio-analyser/viper.mp3?raw=true" |
| 8 | + |
| 9 | + async def play(e: ft.Event[ft.ElevatedButton]): |
| 10 | + await audio.play() |
| 11 | + |
| 12 | + async def pause(e: ft.Event[ft.ElevatedButton]): |
| 13 | + await audio.pause() |
| 14 | + |
| 15 | + async def resume(e: ft.Event[ft.ElevatedButton]): |
| 16 | + await audio.resume() |
| 17 | + |
| 18 | + async def release(e: ft.Event[ft.ElevatedButton]): |
| 19 | + await audio.release() |
| 20 | + |
| 21 | + def set_volume(value: float): |
| 22 | + audio.volume += value |
| 23 | + |
| 24 | + def set_balance(value: float): |
| 25 | + audio.balance += value |
| 26 | + |
| 27 | + async def seek_2s(e: ft.Event[ft.ElevatedButton]): |
| 28 | + await audio.seek(ft.Duration(seconds=2)) |
| 29 | + |
| 30 | + async def get_duration(e: ft.Event[ft.ElevatedButton]): |
| 31 | + duration = await audio.get_duration() |
| 32 | + print("Duration:", duration) |
| 33 | + |
| 34 | + async def on_get_current_position(e: ft.Event[ft.ElevatedButton]): |
| 35 | + position = await audio.get_current_position() |
| 36 | + print("Current position:", position) |
| 37 | + |
| 38 | + audio = fta.Audio( |
| 39 | + src=url, |
| 40 | + autoplay=False, |
| 41 | + volume=1, |
| 42 | + balance=0, |
| 43 | + on_loaded=lambda _: print("Loaded"), |
| 44 | + on_duration_change=lambda e: print("Duration changed:", e.duration), |
| 45 | + on_position_change=lambda e: print("Position changed:", e.position), |
| 46 | + on_state_change=lambda e: print("State changed:", e.state), |
| 47 | + on_seek_complete=lambda _: print("Seek complete"), |
| 48 | + ) |
| 49 | + page.services.append(audio) |
| 50 | + |
| 51 | + page.add( |
| 52 | + ft.ElevatedButton("Play", on_click=play), |
| 53 | + ft.ElevatedButton("Pause", on_click=pause), |
| 54 | + ft.ElevatedButton("Resume", on_click=resume), |
| 55 | + ft.ElevatedButton("Release", on_click=release), |
| 56 | + ft.ElevatedButton("Seek 2s", on_click=seek_2s), |
| 57 | + ft.Row( |
| 58 | + controls=[ |
| 59 | + ft.ElevatedButton("Volume down", on_click=lambda _: set_volume(-0.1)), |
| 60 | + ft.ElevatedButton("Volume up", on_click=lambda _: set_volume(0.1)), |
| 61 | + ] |
| 62 | + ), |
| 63 | + ft.Row( |
| 64 | + controls=[ |
| 65 | + ft.ElevatedButton("Balance left", on_click=lambda _: set_balance(-0.1)), |
| 66 | + ft.ElevatedButton("Balance right", on_click=lambda _: set_balance(0.1)), |
| 67 | + ] |
| 68 | + ), |
| 69 | + ft.ElevatedButton("Get duration", on_click=get_duration), |
| 70 | + ft.ElevatedButton("Get current position", on_click=on_get_current_position), |
| 71 | + ) |
| 72 | + |
| 73 | + |
| 74 | +ft.run(main) |
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