2012-11-01 07:04:31 +04:00
|
|
|
/**
|
|
|
|
* FreeRDP: A Remote Desktop Protocol Implementation
|
|
|
|
* FreeRDP Mac OS X Server (Audio Output)
|
|
|
|
*
|
|
|
|
* Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
|
|
|
|
*
|
|
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
|
|
* you may not use this file except in compliance with the License.
|
|
|
|
* You may obtain a copy of the License at
|
|
|
|
*
|
|
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
*
|
|
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
|
|
* See the License for the specific language governing permissions and
|
|
|
|
* limitations under the License.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
|
|
#include "config.h"
|
|
|
|
#endif
|
|
|
|
|
2013-03-07 22:34:12 +04:00
|
|
|
#include <freerdp/server/rdpsnd.h>
|
2012-11-01 07:04:31 +04:00
|
|
|
|
2013-01-25 04:21:56 +04:00
|
|
|
#include "mf_info.h"
|
2012-11-01 07:04:31 +04:00
|
|
|
#include "mf_rdpsnd.h"
|
|
|
|
|
2013-01-25 04:21:56 +04:00
|
|
|
AQRecorderState recorderState;
|
|
|
|
|
2013-03-07 22:34:12 +04:00
|
|
|
static const AUDIO_FORMAT supported_audio_formats[] =
|
2012-11-01 07:04:31 +04:00
|
|
|
{
|
2013-03-08 21:36:38 +04:00
|
|
|
{ WAVE_FORMAT_PCM, 2, 44100, 176400, 4, 16, NULL },
|
|
|
|
{ WAVE_FORMAT_ALAW, 2, 22050, 44100, 2, 8, NULL }
|
2013-03-07 22:34:12 +04:00
|
|
|
};
|
2013-02-20 01:26:06 +04:00
|
|
|
|
2013-03-07 22:34:12 +04:00
|
|
|
static void mf_peer_rdpsnd_activated(rdpsnd_server_context* context)
|
|
|
|
{
|
2013-02-20 00:06:42 +04:00
|
|
|
OSStatus status;
|
2013-03-08 21:36:38 +04:00
|
|
|
int i, j;
|
|
|
|
BOOL formatAgreed = FALSE;
|
|
|
|
AUDIO_FORMAT* agreedFormat = NULL;
|
2013-03-29 08:15:29 +04:00
|
|
|
|
2013-03-07 22:34:12 +04:00
|
|
|
//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);
|
2013-03-29 08:15:29 +04:00
|
|
|
|
|
|
|
for (i = 0; i < context->num_client_formats; i++)
|
2013-03-07 22:34:12 +04:00
|
|
|
{
|
2013-03-29 08:15:29 +04:00
|
|
|
/* TODO: improve the way we agree on a format */
|
2013-03-08 21:36:38 +04:00
|
|
|
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;
|
2013-03-07 22:34:12 +04:00
|
|
|
}
|
2013-02-20 00:06:42 +04:00
|
|
|
|
2013-03-08 21:55:21 +04:00
|
|
|
recorderState.dataFormat.mSampleRate = agreedFormat->nSamplesPerSec;
|
2013-03-08 21:36:38 +04:00
|
|
|
recorderState.dataFormat.mFormatFlags = kAudioFormatFlagIsSignedInteger | kAudioFormatFlagsNativeEndian | kAudioFormatFlagIsPacked;;
|
|
|
|
recorderState.dataFormat.mBytesPerPacket = 4;
|
|
|
|
recorderState.dataFormat.mFramesPerPacket = 1;
|
|
|
|
recorderState.dataFormat.mBytesPerFrame = 4;
|
2013-03-08 21:55:21 +04:00
|
|
|
recorderState.dataFormat.mChannelsPerFrame = agreedFormat->nChannels;
|
|
|
|
recorderState.dataFormat.mBitsPerChannel = agreedFormat->wBitsPerSample;
|
2013-03-08 21:36:38 +04:00
|
|
|
|
|
|
|
|
2013-02-20 00:06:42 +04:00
|
|
|
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);
|
|
|
|
|
2013-02-20 01:26:06 +04:00
|
|
|
|
2013-03-06 03:24:03 +04:00
|
|
|
for (i = 0; i < SND_NUMBUFFERS; ++i)
|
2013-02-20 00:06:42 +04:00
|
|
|
{
|
|
|
|
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);
|
|
|
|
|
2012-11-01 07:04:31 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
BOOL mf_peer_rdpsnd_init(mfPeerContext* context)
|
|
|
|
{
|
|
|
|
context->rdpsnd = rdpsnd_server_context_new(context->vcm);
|
|
|
|
context->rdpsnd->data = context;
|
2013-02-20 00:06:42 +04:00
|
|
|
|
2013-03-08 21:36:38 +04:00
|
|
|
context->rdpsnd->server_formats = supported_audio_formats;
|
|
|
|
context->rdpsnd->num_server_formats = sizeof(supported_audio_formats) / sizeof(supported_audio_formats[0]);
|
2013-02-20 00:06:42 +04:00
|
|
|
|
2012-11-01 07:04:31 +04:00
|
|
|
context->rdpsnd->src_format.wFormatTag = 1;
|
|
|
|
context->rdpsnd->src_format.nChannels = 2;
|
|
|
|
context->rdpsnd->src_format.nSamplesPerSec = 44100;
|
|
|
|
context->rdpsnd->src_format.wBitsPerSample = 16;
|
2013-02-20 00:06:42 +04:00
|
|
|
|
2012-11-01 07:04:31 +04:00
|
|
|
context->rdpsnd->Activated = mf_peer_rdpsnd_activated;
|
2013-02-20 00:06:42 +04:00
|
|
|
|
2012-11-01 07:04:31 +04:00
|
|
|
context->rdpsnd->Initialize(context->rdpsnd);
|
2013-02-20 00:06:42 +04:00
|
|
|
|
2012-11-01 07:04:31 +04:00
|
|
|
return TRUE;
|
|
|
|
}
|
2013-01-25 04:21:56 +04:00
|
|
|
|
2013-01-25 05:03:44 +04:00
|
|
|
BOOL mf_peer_rdpsnd_stop()
|
|
|
|
{
|
2013-02-20 00:06:42 +04:00
|
|
|
recorderState.isRunning = false;
|
|
|
|
AudioQueueStop(recorderState.queue, true);
|
|
|
|
|
|
|
|
return TRUE;
|
2013-01-25 05:03:44 +04:00
|
|
|
}
|
|
|
|
|
2013-01-25 04:21:56 +04:00
|
|
|
void mf_peer_rdpsnd_input_callback (void *inUserData,
|
|
|
|
AudioQueueRef inAQ,
|
|
|
|
AudioQueueBufferRef inBuffer,
|
|
|
|
const AudioTimeStamp *inStartTime,
|
|
|
|
UInt32 inNumberPacketDescriptions,
|
|
|
|
const AudioStreamPacketDescription *inPacketDescs)
|
|
|
|
{
|
2013-02-20 00:06:42 +04:00
|
|
|
OSStatus status;
|
|
|
|
AQRecorderState * rState;
|
|
|
|
rState = inUserData;
|
|
|
|
|
|
|
|
|
|
|
|
if (inNumberPacketDescriptions == 0 && rState->dataFormat.mBytesPerPacket != 0)
|
|
|
|
{
|
|
|
|
inNumberPacketDescriptions = inBuffer->mAudioDataByteSize / rState->dataFormat.mBytesPerPacket;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
if (rState->isRunning == 0)
|
|
|
|
{
|
|
|
|
return ;
|
|
|
|
}
|
|
|
|
|
|
|
|
rState->snd_context->SendSamples(rState->snd_context, inBuffer->mAudioData, inBuffer->mAudioDataByteSize/4);
|
|
|
|
|
|
|
|
status = AudioQueueEnqueueBuffer(
|
|
|
|
rState->queue,
|
|
|
|
inBuffer,
|
|
|
|
0,
|
|
|
|
NULL);
|
|
|
|
|
|
|
|
if (status != noErr)
|
|
|
|
{
|
|
|
|
printf("AudioQueueEnqueueBuffer() returned status = %d\n", status);
|
|
|
|
}
|
|
|
|
|
2013-01-25 04:21:56 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
void mf_rdpsnd_derive_buffer_size (AudioQueueRef audioQueue,
|
|
|
|
AudioStreamBasicDescription *ASBDescription,
|
|
|
|
Float64 seconds,
|
|
|
|
UInt32 *outBufferSize)
|
|
|
|
{
|
2013-02-20 00:06:42 +04:00
|
|
|
static const int maxBufferSize = 0x50000;
|
|
|
|
|
|
|
|
int maxPacketSize = ASBDescription->mBytesPerPacket;
|
|
|
|
if (maxPacketSize == 0)
|
|
|
|
{
|
|
|
|
UInt32 maxVBRPacketSize = sizeof(maxPacketSize);
|
|
|
|
AudioQueueGetProperty (audioQueue,
|
|
|
|
kAudioQueueProperty_MaximumOutputPacketSize,
|
|
|
|
// in Mac OS X v10.5, instead use
|
|
|
|
// kAudioConverterPropertyMaximumOutputPacketSize
|
|
|
|
&maxPacketSize,
|
|
|
|
&maxVBRPacketSize
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
|
|
|
Float64 numBytesForTime =
|
|
|
|
ASBDescription->mSampleRate * maxPacketSize * seconds;
|
|
|
|
*outBufferSize = (UInt32) (numBytesForTime < maxBufferSize ? numBytesForTime : maxBufferSize);
|
2013-01-25 04:21:56 +04:00
|
|
|
}
|
|
|
|
|