I have implemented a streaming mp3 player using AudioQueueServices, that downloads mp3s over an NSURLConnection. Playback, pausing, and seeking work great, however I can't figure out how to extract ... |
I'm trying to learn how to handle audio at a fairly low level with audio queue services.
I have been progrmaing in memory managed languages for quite a while, and have just ... |
On the iPhone I need to get the path for the resource. OK, done that, but when it comes to CFURLCreateFromFileSystemRepresentation thing, I just don't know how to solve this. Why ... |
I am attempting to read audio data via AudioQueue. When I do so, I can verify that the bit depth of the file is 16-bit. But when I get the actual ... |
Already finished implementing the player. I want to implement the progress bar. But I wonder if that's possible to do since we are streaming the music. Unless we are provided the ... |
I'm having problems using AudioQueueOfflineRender to decode AAC data.
When I examine the buffer after the call, it is always filled with empty data. I made sure the input buffer is valid ... |
What is the right way to play next file using Audio Queue Services? When "play next" button is pressed should I first call AudioQueueStop and then AudioQueuePrime/AudioQueueStart or it is enough ... |
|
I've been up all night trying to figure this one out. My code is basically the same as Apple's example here. However, the device plays only the ... |
I am trying to grab times out of recorded buffers in my AudioInputCallback function for a recording queue. Unfortunately the timestamps I'm seeing aren't as expected. Here's an example (using AudioTimeStamp.mHostTime):
2010-01-21 ...
|
I am writing an iPhone application that needs to record audio from the built-in microphone and then send that audio data to a server for processing.
The application uses a socket connection ... |
I am writing a class that opens an AudioQueue and analyzes its characteristics, and then under certain conditions can begin or end writing out a file from that AudioQueue that is ... |
I'd like to read packets from an audio file, but I don't want to send them to a playback buffer. I just want to get an array of the packets, ideally ... |
I'm writing a remote desktop client for the iPhone and I'm trying to implement audio redirection.
The client is connected to the server over a socket connection, and the server sends 32K ... |
I am currently using Audio Queues on the iPhone to record and playback audio.
What I would like to be able to do is to record some audio, allow the user to ... |
Is that possible? How is this done in theory? Would I simply make a very small buffer packet size and then delay the playback artificially? I assume that's the low-brain way? ... |
I am using AudioQueueStart for playing music and AudioQueuePause for pausing. Is there any way in AudioQueues to check whether the music is playing or not, I want to Pause music ... |
I am using AudioQueue Services to play audio in my app (AQPlayer borrowed from Speak Here) and I would like to know if it is possible to play the audio at ... |
I've spent the last week on an unplanned excursion into the depths of the Macintosh sound system after NSSound proved to be unequal to the task.. I finally got my file ... |
I'm trying to record an audio stream which is streamed using matt gallagher's audio classes.
So far, I've searched the web as I do not really understand the audio queue services. I'm ... |
Can someone explain how we can use Audio Queue services to record sound from Microphone and play it live? Explain how we can achieve it. If possible give code snippets.
... |
So I can't find anything online that says I can't do this, but whenever I try to do it on the iPhone, errors are returned from AudioQueueSetParameter. Specifically, if I try ... |
I am getting warning "AudioQueueObject::FreeBuffer: AQBuffer * 0x6273fd0 has enqueue count of 1" for API AudioQueueFreeBuffer... How to avoid this warning?
I am getting this warning in AudioQueueFreeBuffer API
...
|
I've built an audio recording app (like 'SpeakHere' demo from apple), and I was wondering how can I modify it to work on BACKGROUND.
Every time I enter background, the AudioQueue callback ... |
I'm about to port an audio engine from Flash/AS3 to iOS, and been playing around with OpenAL for some time. Due to timing problems I recently began to investigate Audio Queue ... |
I'm currently playing a stream on my iOS App but one feature we'd like to add is the visualization of the output wave. I use an output audio queue in order ... |
Edited the question due to progressive insights :-)
I am creating an app that is listening to the audio input.
I want it to count peaks. (peaks will be at a max frequency ... |
I use Audio Queue Services in my application. When allocating the buffer, I set the buffer size to 30000 samples:
AudioQueueAllocateBuffer(mQueue, 30000, &mBuffers[i]);
But the subsequent calls of the callback are made with ... |
I have an app in the App Store for streaming compressed music files over the network. I'm using Audio Queue Services to handle the playback of the files.
I would like to ... |
I'm using the Audio Queue Services API to play audio streamed from a server over a TCP socket connection on an iPhone. I can play the buffers that were ... |