Add ResolvingAudioSource;

[cooaer]

Resolve url in time with headers;

[ryanheise]

Hi @cooaer , would you be able to mention your PR on the other PR #779 ? There has been a discussion there about the pros/cons of different approaches. Also, is there any reason you personally decided not to implement this as a subclass of StreamAudioSource?

[cooaer]

@ryanheise OK! First, thank you and this great project, this project has helped me a lot！Also, I just didn't understand StreamAudioSource before, and it's really a good idea to implement it. I will modify it.

[shuyec]

@cooaer Can you please add an example on how to use this?

A modified version of the example from the PR 779 works quite well.

final apiService = ApiService();

final queue = await apiService.getQueue();
final resolvingAudioSource = [
  for (final queueItem in queue)
	ResolvingAudioSource(
	uniqueId: queueItem["id"], 
	resolveSoundUrl: ((uniqueId) async {
		uniqueId = queueItem["id"];
		return Uri.parse(await apiService.getUrl(queueItem));
	}
	}),
	tag: queueItem),
];

_playlist.addAll(resolvingAudioSource);
await _audioPlayer.setAudioSource(_playlist);

Also I don't know if it was intentional or a typo, but the parameter of ResolveSoundUrl is called uniquidId.

[cometothed4rkside]

Not working with youtube video urls. @shuyec @ryanheise

[bleonard252]

Not working with youtube video urls. @shuyec @ryanheise

It's not supposed to.

[canxin121]

Does this work on ios and mac?

[jonathanMNg]

Does this work on ios and mac?

I tried on IOS and it doesn't seem to work

        audioSource = ResolvingAudioSource(uniqueId: audioId,
            resolveSoundUrl: (audioId) async {
              final manifest = (await _yt.videos.streamsClient
                  .getManifest(audioId));
              final audioUri = Platform.isIOS ? manifest.muxed.withHighestBitrate().url
                  : manifest.audioOnly.withHighestBitrate().url;
              return audioUri;
        }, tag: tag);