static void mf_peer_rdpsnd_activated(RdpsndServerContext* context)
{
OSStatus status;
int i, j;
BOOL formatAgreed = FALSE;
AUDIO_FORMAT* agreedFormat = NULL;
//we should actually loop through the list of client formats here
//and see if we can send the client something that it supports...
printf("Client supports the following %d formats: \n", context->num_client_formats);
for (i = 0; i < context->num_client_formats; i++)
{
/* TODO: improve the way we agree on a format */
for (j = 0; j < context->num_server_formats; j++)
{
if ((context->client_formats[i].wFormatTag == context->server_formats[j].wFormatTag) &&
(context->client_formats[i].nChannels == context->server_formats[j].nChannels) &&
(context->client_formats[i].nSamplesPerSec == context->server_formats[j].nSamplesPerSec))
{
printf("agreed on format!\n");
formatAgreed = TRUE;
agreedFormat = (AUDIO_FORMAT*)&context->server_formats[j];
break;
}
}
if (formatAgreed == TRUE)
break;
}
if (formatAgreed == FALSE)
{
printf("Could not agree on a audio format with the server\n");
return;
}
context->SelectFormat(context, i);
context->SetVolume(context, 0x7FFF, 0x7FFF);
switch (agreedFormat->wFormatTag)
{
case WAVE_FORMAT_ALAW:
recorderState.dataFormat.mFormatID = kAudioFormatDVIIntelIMA;
break;
case WAVE_FORMAT_PCM:
recorderState.dataFormat.mFormatID = kAudioFormatLinearPCM;
break;
default:
recorderState.dataFormat.mFormatID = kAudioFormatLinearPCM;
break;
}
recorderState.dataFormat.mSampleRate = agreedFormat->nSamplesPerSec;
recorderState.dataFormat.mFormatFlags = kAudioFormatFlagIsSignedInteger | kAudioFormatFlagsNativeEndian | kAudioFormatFlagIsPacked;;
recorderState.dataFormat.mBytesPerPacket = 4;
recorderState.dataFormat.mFramesPerPacket = 1;
recorderState.dataFormat.mBytesPerFrame = 4;
recorderState.dataFormat.mChannelsPerFrame = agreedFormat->nChannels;
recorderState.dataFormat.mBitsPerChannel = agreedFormat->wBitsPerSample;
recorderState.snd_context = context;
status = AudioQueueNewInput(&recorderState.dataFormat,
mf_peer_rdpsnd_input_callback,
&recorderState,
NULL,
kCFRunLoopCommonModes,
0,
&recorderState.queue);
if (status != noErr)
{
printf("Failed to create a new Audio Queue. Status code: %d\n", status);
}
UInt32 dataFormatSize = sizeof (recorderState.dataFormat);
AudioQueueGetProperty(recorderState.queue,
kAudioConverterCurrentInputStreamDescription,
&recorderState.dataFormat,
&dataFormatSize);
mf_rdpsnd_derive_buffer_size(recorderState.queue, &recorderState.dataFormat, 0.05, &recorderState.bufferByteSize);
for (i = 0; i < SND_NUMBUFFERS; ++i)
{
AudioQueueAllocateBuffer(recorderState.queue,
recorderState.bufferByteSize,
&recorderState.buffers[i]);
AudioQueueEnqueueBuffer(recorderState.queue,
recorderState.buffers[i],
0,
NULL);
}
recorderState.currentPacket = 0;
recorderState.isRunning = true;
AudioQueueStart (recorderState.queue, NULL);
}
static void mf_peer_rdpsnd_activated(rdpsnd_server_context* context)
{
printf("RDPSND Activated\n");
printf("Let's create an audio queue for input!\n");
OSStatus status;
recorderState.dataFormat.mSampleRate = 44100.0;
recorderState.dataFormat.mFormatID = kAudioFormatLinearPCM;
recorderState.dataFormat.mFormatFlags = kAudioFormatFlagIsSignedInteger | kAudioFormatFlagsNativeEndian | kAudioFormatFlagIsPacked;
recorderState.dataFormat.mBytesPerPacket = 4;
recorderState.dataFormat.mFramesPerPacket = 1;
recorderState.dataFormat.mBytesPerFrame = 4;
recorderState.dataFormat.mChannelsPerFrame = 2;
recorderState.dataFormat.mBitsPerChannel = 16;
recorderState.snd_context = context;
status = AudioQueueNewInput(&recorderState.dataFormat,
mf_peer_rdpsnd_input_callback,
&recorderState,
NULL,
kCFRunLoopCommonModes,
0,
&recorderState.queue);
if (status != noErr)
{
printf("Failed to create a new Audio Queue. Status code: %d\n", status);
}
UInt32 dataFormatSize = sizeof (recorderState.dataFormat);
AudioQueueGetProperty(recorderState.queue,
kAudioConverterCurrentInputStreamDescription,
&recorderState.dataFormat,
&dataFormatSize);
mf_rdpsnd_derive_buffer_size(recorderState.queue, &recorderState.dataFormat, 0.05, &recorderState.bufferByteSize);
printf("Preparing a set of buffers...");
for (int i = 0; i < snd_numBuffers; ++i)
{
AudioQueueAllocateBuffer(recorderState.queue,
recorderState.bufferByteSize,
&recorderState.buffers[i]);
AudioQueueEnqueueBuffer(recorderState.queue,
recorderState.buffers[i],
0,
NULL);
}
printf("done\n");
printf("recording...\n");
recorderState.currentPacket = 0;
recorderState.isRunning = true;
context->SelectFormat(context, 4);
context->SetVolume(context, 0x7FFF, 0x7FFF);
AudioQueueStart (recorderState.queue, NULL);
}
