how to get last video on iphone?

cvp

@frankL this copies picked video to Pythonista local files

import photos
from objc_util import *
import time
import shutil
import os
	
videos = photos.get_assets(media_type='video')
assets = photos.pick_asset(assets=videos,multi=True)
#print(dir)

options=ObjCClass('PHVideoRequestOptions').new()
options.version=1	#PHVideoRequestOptionsVersionOriginal, use 0 for edited versions.
image_manager=ObjCClass('PHImageManager').defaultManager()

handled_assets=[]

def handleAsset(_obj,asset, audioMix, info):
	A=ObjCInstance(asset)
	'''I am just appending to handled_assets to process later'''
	handled_assets.append(A)
	'''
	# alternatively, handle inside handleAsset.  maybe need a threading.Lock here to ensure you are not sending storbinaries in parallel
	with open(str(A.resolvedURL().resourceSpecifier()),'rb') as fp:
		fro.storbinary(......)
	'''
	
handlerblock=ObjCBlock(handleAsset, argtypes=[c_void_p,]*4)

for A in assets:
	#these are PHAssets
	image_manager.requestAVAssetForVideo(A, 
						options=options, 
						resultHandler=handlerblock)
						
while len(handled_assets) < len(assets):
	'''wait for the asynchronous process to complete'''
	time.sleep(1)

for A in handled_assets:
	url = str(A.resolvedURL().resourceSpecifier())
	local = os.path.basename(url)
	print(url)
	shutil.copy(url,local)

frankL

Thank you. That allows me to find my videos, but how do I play them either in the console or otherwise?

cvp

@frankL try this @JonB ' s player

frankL

The player works perfectly. If I wanted to pick a video and get it's url and save that for later, how would I pass that url to the player directly and not from the pick_asset call?

cvp

@frankL in the script, you can print(u) to get an url like assets-library://asset/asset.MOV?id=C03ABFB4-08F3-4A00-B626-BB9A01B293B2&ext=MOV

So, if you save this string in a file, you can reuse with these lines

url = nsurl('assets-library://asset/asset.MOV?id=C03ABFB4-08F3-4A00-B626-BB9A01B293B2&ext=MOV')
u=ObjCClass('AVURLAsset').alloc().initWithURL_options_(url,None)
i=AVPlayerItem.playerItemWithAsset_(u)
p=AVPlayer.playerWithPlayerItem_(i)
videolayer=AVPlayerLayer.playerLayerWithPlayer_(p)

frankL

I printed the url, substituted it as you suggested, but after:

url = nsurl('assets-library://asset/asset.MOV?id=7C43F2B6-68DB-4314-80A7-34C6F92E8C8A&ext=MOV')
C03ABFB4-08F3-4A00-B626-BB9A01B293B2&ext=MOV')
u=ObjCClass('AVURLAsset').alloc().initWithURL_options_(url,None)

print(u) returns None
I must still be missing something.

cvp

@frankL ok, sorry, print(u) is erroneous, I wanted to say print(url), what you did.
But now you have the url as a string, you can save it where you want and read it later to only
Display via some script lines of my post, without passing via pick

cvp

@frankL this script only plays a video. Up to you to save the url in a file in the initial pick script and to read it and play in this script

from objc_util import *
AVPlayerItem=ObjCClass('AVPlayerItem')
AVPlayer=ObjCClass('AVPlayer')
AVPlayerLayer=ObjCClass('AVPlayerLayer')

url = nsurl('assets-library://asset/asset.MOV?id=C03ABFB4-08F3-4A00-B626-BB9A01B293B2&ext=MOV')
u=ObjCClass('AVURLAsset').alloc().initWithURL_options_(url,None)
i=AVPlayerItem.playerItemWithAsset_(u)
p=AVPlayer.playerWithPlayerItem_(i)
videolayer=AVPlayerLayer.playerLayerWithPlayer_(p)

import ui
v=ui.View(frame=(0,0,500,500))
V=ObjCInstance(v)
videolayer.frame=V.bounds()
V.layer().addSublayer_(videolayer)
v.present('sheet')

p.play()

frankL

That works perfectly, thank you.
Is there some documentation on video players and objc that you could point me to so that I can get a better understanding of how this all works?

cvp

@frankL standard Apple doc contains all (and more) info needed, good luck

frankL

Thank you. I had only been looking at Pythonista 3 documentation and just recently came across the photos module. Photos doesn't appear to support much in the way of videos.
I appreciate all of your help.

frankL

Is there a simple way to add controls to the player such as pause, play, etc.?

cvp

@frankL try this

from objc_util import *
AVPlayerItem=ObjCClass('AVPlayerItem')
AVPlayer=ObjCClass('AVPlayer')
AVPlayerLayer=ObjCClass('AVPlayerLayer')

url = nsurl('assets-library://asset/asset.MOV?id=71F89028-7FA0-4C53-B6AD-6659BC8458D8&ext=MOV')
u=ObjCClass('AVURLAsset').alloc().initWithURL_options_(url,None)
i=AVPlayerItem.playerItemWithAsset_(u)
p=AVPlayer.playerWithPlayerItem_(i)
videolayer=AVPlayerLayer.playerLayerWithPlayer_(p)

import ui
v=ui.View(frame=(0,0,500,500))
V=ObjCInstance(v)
videolayer.frame=V.bounds()
V.layer().addSublayer_(videolayer)
v.present('sheet')

p.play()

bplay = ui.ButtonItem()
bplay.title = 'play'
def b_play_action(sender):
	p.play()
bplay.action = b_play_action

bpause = ui.ButtonItem()
bpause.title = 'pause'
def b_pause_action(sender):
	p.pause()
bpause.action = b_pause_action

v.right_button_items = (bplay, bpause)

cvp

@frankL you can even find an example of a slider in the minimal à player Of @JonB

frankL

Thank you. All that is running correctly now. How can I update the slider to indicate the elapsed time status of the video? The Apple documentation is very difficult to understand.

cvp

@frankL said:

How can I update the slider to indicate the elapsed time status of the video

from objc_util import *
import ui
AVPlayerItem=ObjCClass('AVPlayerItem')
AVPlayer=ObjCClass('AVPlayer')
AVPlayerLayer=ObjCClass('AVPlayerLayer')

url = nsurl('assets-library://asset/asset.MOV?id=71F89028-7FA0-4C53-B6AD-6659BC8458D8&ext=MOV')
u=ObjCClass('AVURLAsset').alloc().initWithURL_options_(url,None)
i=AVPlayerItem.playerItemWithAsset_(u)
p=AVPlayer.playerWithPlayerItem_(i)
videolayer=AVPlayerLayer.playerLayerWithPlayer_(p)

#define cmtime, for seeking
import ctypes
CMTimeValue=ctypes.c_int64
CMTimeScale=ctypes.c_int32
CMTimeFlags=ctypes.c_uint32
CMTimeEpoch=ctypes.c_int64
class CMTime(Structure):
   _fields_=[('value',CMTimeValue),
   ('timescale',CMTimeScale),
   ('flags',CMTimeFlags),
   ('epoch',CMTimeEpoch)]
   def __init__(self,value=0,timescale=1,flags=0,epoch=0):
      self.value=value
      self.timescale=timescale
      self.flags=flags
      self.epoch=epoch
c.CMTimeMakeWithSeconds.argtypes=[ctypes.c_double,ctypes.c_int32]
c.CMTimeMakeWithSeconds.restype=CMTime
c.CMTimeGetSeconds.argtypes=[CMTime]
c.CMTimeGetSeconds.restype=c_double


class MyView(ui.View):
	def __init__(self, *args, **kwargs):
		ui.View.__init__(self, *args, **kwargs)
		self.background_color = 'white'
		
		V=ObjCInstance(self)
		videolayer.frame=V.bounds()
		V.layer().addSublayer_(videolayer)

		bplay = ui.ButtonItem()
		bplay.title = 'play'
		def b_play_action(sender):
		    p.play()
		bplay.action = b_play_action
		self.update_interval = 0		
		
		bpause = ui.ButtonItem()
		bpause.title = 'pause'
		def b_pause_action(sender):
		    p.pause()
		bpause.action = b_pause_action		
		self.right_button_items = (bplay, bpause)
		
		slider=ui.Slider(frame=(0,0,self.width,20))		
		#sender.superview.name = str(sender.value*duration_sec)
		slider.action=self.slider_action
		slider.bring_to_front()
		self.slider = slider
		self.add_subview(slider)
		
	def update(self):
		s = p.currentTime().a/p.currentTime().b
		self.slider.value = s/duration_sec

	def slider_action(self, sender):
		self.seek(sender.value*duration_sec)
		
	@on_main_thread
	def seek(self,t):
		T=c.CMTimeMakeWithSeconds(t,1)
		p.seekToTime_(T,argtypes=[CMTime],restype=None)

v=MyView(frame=(0,0,500,500))
v.present('sheet')

duration=i.duration()
duration_sec=duration.a/duration.b
#print(duration_sec)

p.play()
v.update_interval = 0.1

cvp

@frankL try until

v.update_interval = 1/60

cvp

@frankL Is it what you wanted?

frankL

I see that your code works but I'm trying to implement it in a subview and I can't figure out how to use the v.update_interval method.

frankL

To clarify, I have a button in the main view that plays a video that the user selects from the main view. The button action instantiates a subview that runs the video and presents the slider, play, pause and stop buttons. The slider works to move the video playback manually but otherwise the slider doesn't display the elapsed time of the video. Any insight you can give me would be appreciated.