#include <string.h>
#include <winpr/crt.h>
+#include <winpr/synch.h>
+#include <winpr/print.h>
+#include <winpr/cmdline.h>
+#include <winpr/sysinfo.h>
+#include <winpr/collections.h>
-#include <freerdp/constants.h>
#include <freerdp/types.h>
-#include <freerdp/utils/memory.h>
+#include <freerdp/addin.h>
+#include <freerdp/constants.h>
#include <freerdp/utils/stream.h>
-#include <freerdp/utils/list.h>
-#include <freerdp/utils/load_plugin.h>
+#include <freerdp/utils/signal.h>
#include <freerdp/utils/svc_plugin.h>
#include "rdpsnd_main.h"
+#define TIME_DELAY_MS 65
+
struct rdpsnd_plugin
{
rdpSvcPlugin plugin;
- LIST* data_out_list;
+ HANDLE thread;
+ wMessageQueue* queue;
BYTE cBlockNo;
- rdpsndFormat* supported_formats;
- int n_supported_formats;
- int current_format;
+ int wCurrentFormatNo;
+
+ AUDIO_FORMAT* ServerFormats;
+ UINT16 NumberOfServerFormats;
+
+ AUDIO_FORMAT* ClientFormats;
+ UINT16 NumberOfClientFormats;
BOOL expectingWave;
BYTE waveData[4];
UINT16 waveDataSize;
- UINT32 wTimeStamp; /* server timestamp */
- UINT32 wave_timestamp; /* client timestamp */
-
- BOOL is_open;
- UINT32 close_timestamp;
+ UINT32 wTimeStamp;
- UINT16 fixed_format;
- UINT16 fixed_channel;
- UINT32 fixed_rate;
int latency;
+ BOOL isOpen;
+ UINT16 fixedFormat;
+ UINT16 fixedChannel;
+ UINT32 fixedRate;
+
+ char* subsystem;
+ char* device_name;
/* Device plugin */
rdpsndDevicePlugin* device;
};
-struct data_out_item
-{
- STREAM* data_out;
- UINT32 out_timestamp;
-};
-
-/* get time in milliseconds */
-static UINT32 get_mstime(void)
-{
-#ifndef _WIN32
- struct timeval tp;
- gettimeofday(&tp, 0);
- return (tp.tv_sec * 1000) + (tp.tv_usec / 1000);
-#else
- FILETIME ft;
- UINT64 time64 = 0;
-
- GetSystemTimeAsFileTime(&ft);
-
- time64 |= ft.dwHighDateTime;
- time64 <<= 32;
- time64 |= ft.dwLowDateTime;
- time64 /= 10000;
-
- /* fix epoch? */
-
- return (UINT32) time64;
-#endif
-}
+void rdpsnd_send_wave_confirm_pdu(rdpsndPlugin* rdpsnd, UINT16 wTimeStamp, BYTE cConfirmedBlockNo);
-/* process the linked list of data that has queued to be sent */
-static void rdpsnd_process_interval(rdpSvcPlugin* plugin)
+static void* rdpsnd_schedule_thread(void* arg)
{
- rdpsndPlugin* rdpsnd = (rdpsndPlugin*)plugin;
- struct data_out_item* item;
- UINT32 cur_time;
+ wMessage message;
+ UINT16 wTimeDiff;
+ UINT16 wTimeStamp;
+ UINT16 wCurrentTime;
+ RDPSND_WAVE* wave;
+ rdpsndPlugin* rdpsnd = (rdpsndPlugin*) arg;
- while (list_size(rdpsnd->data_out_list) > 0)
+ while (1)
{
- item = (struct data_out_item*) list_peek(rdpsnd->data_out_list);
+ if (!MessageQueue_Wait(rdpsnd->queue))
+ break;
- cur_time = get_mstime();
+ if (!MessageQueue_Peek(rdpsnd->queue, &message, TRUE))
+ break;
- if (!item || cur_time <= item->out_timestamp)
+ if (message.id == WMQ_QUIT)
break;
- item = (struct data_out_item*) list_dequeue(rdpsnd->data_out_list);
- svc_plugin_send(plugin, item->data_out);
- free(item);
+ wave = (RDPSND_WAVE*) message.wParam;
+ wCurrentTime = (UINT16) GetTickCount();
+ wTimeStamp = wave->wLocalTimeB;
- DEBUG_SVC("processed data_out");
+ if (wCurrentTime <= wTimeStamp)
+ {
+ wTimeDiff = wTimeStamp - wCurrentTime;
+ Sleep(wTimeDiff);
+ }
+
+ rdpsnd_send_wave_confirm_pdu(rdpsnd, wave->wTimeStampB, wave->cBlockNo);
+ free(wave);
}
- if (rdpsnd->is_open && rdpsnd->close_timestamp > 0)
- {
- cur_time = get_mstime();
+ return NULL;
+}
+
+void rdpsnd_send_quality_mode_pdu(rdpsndPlugin* rdpsnd)
+{
+ STREAM* pdu;
+
+ pdu = stream_new(8);
+ stream_write_BYTE(pdu, SNDC_QUALITYMODE); /* msgType */
+ stream_write_BYTE(pdu, 0); /* bPad */
+ stream_write_UINT16(pdu, 4); /* BodySize */
+ stream_write_UINT16(pdu, HIGH_QUALITY); /* wQualityMode */
+ stream_write_UINT16(pdu, 0); /* Reserved */
+
+ svc_plugin_send((rdpSvcPlugin*) rdpsnd, pdu);
+}
+
+void rdpsnd_free_audio_formats(AUDIO_FORMAT* formats, UINT16 count)
+{
+ int index;
+ AUDIO_FORMAT* format;
- if (cur_time > rdpsnd->close_timestamp)
+ if (formats)
+ {
+ for (index = 0; index < (int) count; index++)
{
- if (rdpsnd->device)
- IFCALL(rdpsnd->device->Close, rdpsnd->device);
- rdpsnd->is_open = FALSE;
- rdpsnd->close_timestamp = 0;
+ format = &formats[index];
- DEBUG_SVC("processed close");
+ if (format->cbSize)
+ free(format->data);
}
+
+ free(formats);
}
+}
- if (list_size(rdpsnd->data_out_list) == 0 && !rdpsnd->is_open)
+char* rdpsnd_get_audio_tag_string(UINT16 wFormatTag)
+{
+ switch (wFormatTag)
{
- rdpsnd->plugin.interval_ms = 0;
+ case WAVE_FORMAT_PCM:
+ return "WAVE_FORMAT_PCM";
+
+ case WAVE_FORMAT_ADPCM:
+ return "WAVE_FORMAT_ADPCM";
+
+ case WAVE_FORMAT_ALAW:
+ return "WAVE_FORMAT_ALAW";
+
+ case WAVE_FORMAT_MULAW:
+ return "WAVE_FORMAT_MULAW";
+
+ case WAVE_FORMAT_DVI_ADPCM:
+ return "WAVE_FORMAT_DVI_ADPCM";
}
+
+ return "WAVE_FORMAT_UNKNOWN";
+}
+
+void rdpsnd_print_audio_format(AUDIO_FORMAT* format)
+{
+ printf("%s: wFormatTag: 0x%04X nChannels: %d nSamplesPerSec: %d nAvgBytesPerSec: %d nBlockAlign: %d wBitsPerSample: %d\n",
+ rdpsnd_get_audio_tag_string(format->wFormatTag), format->wFormatTag,
+ format->nChannels, format->nSamplesPerSec, format->nAvgBytesPerSec,
+ format->nBlockAlign, format->wBitsPerSample);
}
-static void rdpsnd_free_supported_formats(rdpsndPlugin* rdpsnd)
+UINT32 rdpsnd_compute_audio_time_length(AUDIO_FORMAT* format, int size)
{
- UINT16 i;
+ UINT32 mstime;
+ UINT32 wSamples;
- for (i = 0; i < rdpsnd->n_supported_formats; i++)
- free(rdpsnd->supported_formats[i].data);
- free(rdpsnd->supported_formats);
+ /**
+ * [MSDN-AUDIOFORMAT]:
+ * http://msdn.microsoft.com/en-us/library/ms713497.aspx
+ */
- rdpsnd->supported_formats = NULL;
- rdpsnd->n_supported_formats = 0;
+ wSamples = (size * 8) / format->wBitsPerSample;
+ mstime = (((wSamples * 1000) / format->nSamplesPerSec) / format->nChannels);
+
+ return mstime;
}
-/* receives a list of server supported formats and returns a list
- of client supported formats */
-static void rdpsnd_process_message_formats(rdpsndPlugin* rdpsnd, STREAM* data_in)
+void rdpsnd_select_supported_audio_formats(rdpsndPlugin* rdpsnd)
{
- UINT16 wNumberOfFormats;
- UINT16 nFormat;
- UINT16 wVersion;
- STREAM* data_out;
- rdpsndFormat* out_formats;
- UINT16 n_out_formats;
- rdpsndFormat* format;
- BYTE* format_mark;
- BYTE* data_mark;
- int pos;
-
- rdpsnd_free_supported_formats(rdpsnd);
-
- stream_seek_UINT32(data_in); /* dwFlags */
- stream_seek_UINT32(data_in); /* dwVolume */
- stream_seek_UINT32(data_in); /* dwPitch */
- stream_seek_UINT16(data_in); /* wDGramPort */
- stream_read_UINT16(data_in, wNumberOfFormats);
- stream_read_BYTE(data_in, rdpsnd->cBlockNo); /* cLastBlockConfirmed */
- stream_read_UINT16(data_in, wVersion);
- stream_seek_BYTE(data_in); /* bPad */
-
- DEBUG_SVC("wNumberOfFormats %d wVersion %d", wNumberOfFormats, wVersion);
- if (wNumberOfFormats < 1)
- {
- DEBUG_WARN("wNumberOfFormats is 0");
- return;
- }
+ int index;
+ AUDIO_FORMAT* serverFormat;
+ AUDIO_FORMAT* clientFormat;
+
+ rdpsnd_free_audio_formats(rdpsnd->ClientFormats, rdpsnd->NumberOfClientFormats);
+ rdpsnd->NumberOfClientFormats = 0;
+ rdpsnd->ClientFormats = NULL;
- out_formats = (rdpsndFormat*)xzalloc(wNumberOfFormats * sizeof(rdpsndFormat));
- n_out_formats = 0;
-
- data_out = stream_new(24);
- stream_write_BYTE(data_out, SNDC_FORMATS); /* msgType */
- stream_write_BYTE(data_out, 0); /* bPad */
- stream_seek_UINT16(data_out); /* BodySize */
- stream_write_UINT32(data_out, TSSNDCAPS_ALIVE | TSSNDCAPS_VOLUME); /* dwFlags */
- stream_write_UINT32(data_out, 0xFFFFFFFF); /* dwVolume */
- stream_write_UINT32(data_out, 0); /* dwPitch */
- stream_write_UINT16_be(data_out, 0); /* wDGramPort */
- stream_seek_UINT16(data_out); /* wNumberOfFormats */
- stream_write_BYTE(data_out, 0); /* cLastBlockConfirmed */
- stream_write_UINT16(data_out, 6); /* wVersion */
- stream_write_BYTE(data_out, 0); /* bPad */
-
- for (nFormat = 0; nFormat < wNumberOfFormats; nFormat++)
+ rdpsnd->ClientFormats = (AUDIO_FORMAT*) malloc(sizeof(AUDIO_FORMAT) * rdpsnd->NumberOfServerFormats);
+
+ for (index = 0; index < (int) rdpsnd->NumberOfServerFormats; index++)
{
- stream_get_mark(data_in, format_mark);
- format = &out_formats[n_out_formats];
- stream_read_UINT16(data_in, format->wFormatTag);
- stream_read_UINT16(data_in, format->nChannels);
- stream_read_UINT32(data_in, format->nSamplesPerSec);
- stream_seek_UINT32(data_in); /* nAvgBytesPerSec */
- stream_read_UINT16(data_in, format->nBlockAlign);
- stream_read_UINT16(data_in, format->wBitsPerSample);
- stream_read_UINT16(data_in, format->cbSize);
- stream_get_mark(data_in, data_mark);
- stream_seek(data_in, format->cbSize);
- format->data = NULL;
-
- DEBUG_SVC("wFormatTag=%d nChannels=%d nSamplesPerSec=%d nBlockAlign=%d wBitsPerSample=%d",
- format->wFormatTag, format->nChannels, format->nSamplesPerSec,
- format->nBlockAlign, format->wBitsPerSample);
+ serverFormat = &rdpsnd->ServerFormats[index];
- if (rdpsnd->fixed_format > 0 && rdpsnd->fixed_format != format->wFormatTag)
+ if (rdpsnd->fixedFormat > 0 && (rdpsnd->fixedFormat != serverFormat->wFormatTag))
continue;
- if (rdpsnd->fixed_channel > 0 && rdpsnd->fixed_channel != format->nChannels)
+
+ if (rdpsnd->fixedChannel > 0 && (rdpsnd->fixedChannel != serverFormat->nChannels))
continue;
- if (rdpsnd->fixed_rate > 0 && rdpsnd->fixed_rate != format->nSamplesPerSec)
+
+ if (rdpsnd->fixedRate > 0 && (rdpsnd->fixedRate != serverFormat->nSamplesPerSec))
continue;
- if (rdpsnd->device && rdpsnd->device->FormatSupported(rdpsnd->device, format))
+
+ if (rdpsnd->device && rdpsnd->device->FormatSupported(rdpsnd->device, serverFormat))
{
- DEBUG_SVC("format supported.");
+ clientFormat = &rdpsnd->ClientFormats[rdpsnd->NumberOfClientFormats++];
+
+ CopyMemory(clientFormat, serverFormat, sizeof(AUDIO_FORMAT));
+ clientFormat->cbSize = 0;
- stream_check_size(data_out, 18 + format->cbSize);
- stream_write(data_out, format_mark, 18 + format->cbSize);
- if (format->cbSize > 0)
+ if (serverFormat->cbSize > 0)
{
- format->data = malloc(format->cbSize);
- memcpy(format->data, data_mark, format->cbSize);
+ clientFormat->data = (BYTE*) malloc(serverFormat->cbSize);
+ CopyMemory(clientFormat->data, serverFormat->data, serverFormat->cbSize);
+ clientFormat->cbSize = serverFormat->cbSize;
}
- n_out_formats++;
}
}
+}
- rdpsnd->n_supported_formats = n_out_formats;
- if (n_out_formats > 0)
+void rdpsnd_send_client_audio_formats(rdpsndPlugin* rdpsnd)
+{
+ int index;
+ STREAM* pdu;
+ UINT16 length;
+ UINT32 dwVolume;
+ UINT16 dwVolumeLeft;
+ UINT16 dwVolumeRight;
+ UINT16 wNumberOfFormats;
+ AUDIO_FORMAT* clientFormat;
+
+ dwVolumeLeft = (0xFFFF); /* 100% */
+ dwVolumeRight = (0xFFFF); /* 100% */
+ dwVolume = (dwVolumeLeft << 16) | dwVolumeRight;
+
+ wNumberOfFormats = rdpsnd->NumberOfClientFormats;
+
+ length = 4 + 20;
+
+ for (index = 0; index < (int) wNumberOfFormats; index++)
+ length += (18 + rdpsnd->ClientFormats[index].cbSize);
+
+ pdu = stream_new(length);
+
+ stream_write_BYTE(pdu, SNDC_FORMATS); /* msgType */
+ stream_write_BYTE(pdu, 0); /* bPad */
+ stream_write_UINT16(pdu, length - 4); /* BodySize */
+
+ stream_write_UINT32(pdu, TSSNDCAPS_ALIVE | TSSNDCAPS_VOLUME); /* dwFlags */
+ stream_write_UINT32(pdu, dwVolume); /* dwVolume */
+ stream_write_UINT32(pdu, 0); /* dwPitch */
+ stream_write_UINT16(pdu, 0); /* wDGramPort */
+ stream_write_UINT16(pdu, wNumberOfFormats); /* wNumberOfFormats */
+ stream_write_BYTE(pdu, 0); /* cLastBlockConfirmed */
+ stream_write_UINT16(pdu, 6); /* wVersion */
+ stream_write_BYTE(pdu, 0); /* bPad */
+
+ for (index = 0; index < (int) wNumberOfFormats; index++)
{
- rdpsnd->supported_formats = out_formats;
+ clientFormat = &rdpsnd->ClientFormats[index];
+
+ stream_write_UINT16(pdu, clientFormat->wFormatTag);
+ stream_write_UINT16(pdu, clientFormat->nChannels);
+ stream_write_UINT32(pdu, clientFormat->nSamplesPerSec);
+ stream_write_UINT32(pdu, clientFormat->nAvgBytesPerSec);
+ stream_write_UINT16(pdu, clientFormat->nBlockAlign);
+ stream_write_UINT16(pdu, clientFormat->wBitsPerSample);
+ stream_write_UINT16(pdu, clientFormat->cbSize);
+
+ if (clientFormat->cbSize > 0)
+ stream_write(pdu, clientFormat->data, clientFormat->cbSize);
}
- else
+
+ svc_plugin_send((rdpSvcPlugin*) rdpsnd, pdu);
+}
+
+void rdpsnd_recv_server_audio_formats_pdu(rdpsndPlugin* rdpsnd, STREAM* s)
+{
+ int index;
+ UINT16 wVersion;
+ AUDIO_FORMAT* format;
+ UINT16 wNumberOfFormats;
+
+ rdpsnd_free_audio_formats(rdpsnd->ServerFormats, rdpsnd->NumberOfServerFormats);
+ rdpsnd->NumberOfServerFormats = 0;
+ rdpsnd->ServerFormats = NULL;
+
+ stream_seek_UINT32(s); /* dwFlags */
+ stream_seek_UINT32(s); /* dwVolume */
+ stream_seek_UINT32(s); /* dwPitch */
+ stream_seek_UINT16(s); /* wDGramPort */
+ stream_read_UINT16(s, wNumberOfFormats);
+ stream_read_BYTE(s, rdpsnd->cBlockNo); /* cLastBlockConfirmed */
+ stream_read_UINT16(s, wVersion); /* wVersion */
+ stream_seek_BYTE(s); /* bPad */
+
+ rdpsnd->NumberOfServerFormats = wNumberOfFormats;
+ rdpsnd->ServerFormats = (AUDIO_FORMAT*) malloc(sizeof(AUDIO_FORMAT) * wNumberOfFormats);
+
+ for (index = 0; index < (int) wNumberOfFormats; index++)
{
- free(out_formats);
- DEBUG_WARN("no formats supported");
+ format = &rdpsnd->ServerFormats[index];
+
+ stream_read_UINT16(s, format->wFormatTag); /* wFormatTag */
+ stream_read_UINT16(s, format->nChannels); /* nChannels */
+ stream_read_UINT32(s, format->nSamplesPerSec); /* nSamplesPerSec */
+ stream_read_UINT32(s, format->nAvgBytesPerSec); /* nAvgBytesPerSec */
+ stream_read_UINT16(s, format->nBlockAlign); /* nBlockAlign */
+ stream_read_UINT16(s, format->wBitsPerSample); /* wBitsPerSample */
+ stream_read_UINT16(s, format->cbSize); /* cbSize */
+
+ format->data = (BYTE*) malloc(format->cbSize);
+ stream_read(s, format->data, format->cbSize);
}
- pos = stream_get_pos(data_out);
- stream_set_pos(data_out, 2);
- stream_write_UINT16(data_out, pos - 4);
- stream_set_pos(data_out, 18);
- stream_write_UINT16(data_out, n_out_formats);
- stream_set_pos(data_out, pos);
+ rdpsnd_select_supported_audio_formats(rdpsnd);
- svc_plugin_send((rdpSvcPlugin*)rdpsnd, data_out);
+ rdpsnd_send_client_audio_formats(rdpsnd);
if (wVersion >= 6)
- {
- data_out = stream_new(8);
- stream_write_BYTE(data_out, SNDC_QUALITYMODE); /* msgType */
- stream_write_BYTE(data_out, 0); /* bPad */
- stream_write_UINT16(data_out, 4); /* BodySize */
- stream_write_UINT16(data_out, HIGH_QUALITY); /* wQualityMode */
- stream_write_UINT16(data_out, 0); /* Reserved */
-
- svc_plugin_send((rdpSvcPlugin*)rdpsnd, data_out);
- }
+ rdpsnd_send_quality_mode_pdu(rdpsnd);
+}
+
+void rdpsnd_send_training_confirm_pdu(rdpsndPlugin* rdpsnd, UINT16 wTimeStamp, UINT16 wPackSize)
+{
+ STREAM* pdu;
+
+ pdu = stream_new(8);
+ stream_write_BYTE(pdu, SNDC_TRAINING); /* msgType */
+ stream_write_BYTE(pdu, 0); /* bPad */
+ stream_write_UINT16(pdu, 4); /* BodySize */
+ stream_write_UINT16(pdu, wTimeStamp);
+ stream_write_UINT16(pdu, wPackSize);
+
+ svc_plugin_send((rdpSvcPlugin*) rdpsnd, pdu);
}
-/* server is getting a feel of the round trip time */
-static void rdpsnd_process_message_training(rdpsndPlugin* rdpsnd, STREAM* data_in)
+static void rdpsnd_recv_training_pdu(rdpsndPlugin* rdpsnd, STREAM* s)
{
UINT16 wTimeStamp;
UINT16 wPackSize;
- STREAM* data_out;
-
- stream_read_UINT16(data_in, wTimeStamp);
- stream_read_UINT16(data_in, wPackSize);
- data_out = stream_new(8);
- stream_write_BYTE(data_out, SNDC_TRAINING); /* msgType */
- stream_write_BYTE(data_out, 0); /* bPad */
- stream_write_UINT16(data_out, 4); /* BodySize */
- stream_write_UINT16(data_out, wTimeStamp);
- stream_write_UINT16(data_out, wPackSize);
+ stream_read_UINT16(s, wTimeStamp);
+ stream_read_UINT16(s, wPackSize);
- svc_plugin_send((rdpSvcPlugin*)rdpsnd, data_out);
+ rdpsnd_send_training_confirm_pdu(rdpsnd, wTimeStamp, wPackSize);
}
-static void rdpsnd_process_message_wave_info(rdpsndPlugin* rdpsnd, STREAM* data_in, UINT16 BodySize)
+static void rdpsnd_recv_wave_info_pdu(rdpsndPlugin* rdpsnd, STREAM* s, UINT16 BodySize)
{
UINT16 wFormatNo;
+ AUDIO_FORMAT* format;
- stream_read_UINT16(data_in, rdpsnd->wTimeStamp);
- stream_read_UINT16(data_in, wFormatNo);
- stream_read_BYTE(data_in, rdpsnd->cBlockNo);
- stream_seek(data_in, 3); /* bPad */
- stream_read(data_in, rdpsnd->waveData, 4);
- rdpsnd->waveDataSize = BodySize - 8;
- rdpsnd->wave_timestamp = get_mstime();
rdpsnd->expectingWave = TRUE;
- DEBUG_SVC("waveDataSize %d wFormatNo %d", rdpsnd->waveDataSize, wFormatNo);
+ stream_read_UINT16(s, rdpsnd->wTimeStamp);
+ stream_read_UINT16(s, wFormatNo);
+ stream_read_BYTE(s, rdpsnd->cBlockNo);
+ stream_seek(s, 3); /* bPad */
+ stream_read(s, rdpsnd->waveData, 4);
- rdpsnd->close_timestamp = 0;
- if (!rdpsnd->is_open)
+ rdpsnd->waveDataSize = BodySize - 8;
+
+ format = &rdpsnd->ClientFormats[wFormatNo];
+
+ if (!rdpsnd->isOpen)
{
- rdpsnd->current_format = wFormatNo;
- rdpsnd->is_open = TRUE;
+ rdpsnd->isOpen = TRUE;
+ rdpsnd->wCurrentFormatNo = wFormatNo;
+
if (rdpsnd->device)
- IFCALL(rdpsnd->device->Open, rdpsnd->device, &rdpsnd->supported_formats[wFormatNo],
- rdpsnd->latency);
+ {
+ IFCALL(rdpsnd->device->Open, rdpsnd->device, format, rdpsnd->latency);
+ }
}
- else if (wFormatNo != rdpsnd->current_format)
+ else if (wFormatNo != rdpsnd->wCurrentFormatNo)
{
- rdpsnd->current_format = wFormatNo;
+ rdpsnd->wCurrentFormatNo = wFormatNo;
+
if (rdpsnd->device)
- IFCALL(rdpsnd->device->SetFormat, rdpsnd->device, &rdpsnd->supported_formats[wFormatNo],
- rdpsnd->latency);
+ {
+ IFCALL(rdpsnd->device->SetFormat, rdpsnd->device, format, rdpsnd->latency);
+ }
}
}
-/* header is not removed from data in this function */
-static void rdpsnd_process_message_wave(rdpsndPlugin* rdpsnd, STREAM* data_in)
+void rdpsnd_send_wave_confirm_pdu(rdpsndPlugin* rdpsnd, UINT16 wTimeStamp, BYTE cConfirmedBlockNo)
{
- UINT16 wTimeStamp;
- UINT32 delay_ms;
- UINT32 process_ms;
- struct data_out_item* item;
+ STREAM* pdu;
- rdpsnd->expectingWave = 0;
- memcpy(stream_get_head(data_in), rdpsnd->waveData, 4);
- if (stream_get_size(data_in) != rdpsnd->waveDataSize)
- {
- DEBUG_WARN("size error");
+ pdu = stream_new(8);
+ stream_write_BYTE(pdu, SNDC_WAVECONFIRM);
+ stream_write_BYTE(pdu, 0);
+ stream_write_UINT16(pdu, 4);
+ stream_write_UINT16(pdu, wTimeStamp);
+ stream_write_BYTE(pdu, cConfirmedBlockNo); /* cConfirmedBlockNo */
+ stream_write_BYTE(pdu, 0); /* bPad */
+
+ svc_plugin_send((rdpSvcPlugin*) rdpsnd, pdu);
+}
+
+void rdpsnd_device_send_wave_confirm_pdu(rdpsndDevicePlugin* device, RDPSND_WAVE* wave)
+{
+ MessageQueue_Post(device->rdpsnd->queue, NULL, 0, (void*) wave, NULL);
+}
+
+static void rdpsnd_recv_wave_pdu(rdpsndPlugin* rdpsnd, STREAM* s)
+{
+ int size;
+ BYTE* data;
+ RDPSND_WAVE* wave;
+ AUDIO_FORMAT* format;
+
+ rdpsnd->expectingWave = FALSE;
+
+ /**
+ * The Wave PDU is a special case: it is always sent after a Wave Info PDU,
+ * and we do not process its header. Instead, the header is pad that needs
+ * to be filled with the first four bytes of the audio sample data sent as
+ * part of the preceding Wave Info PDU.
+ */
+
+ CopyMemory(stream_get_head(s), rdpsnd->waveData, 4);
+
+ data = stream_get_head(s);
+ size = stream_get_size(s);
+
+ wave = (RDPSND_WAVE*) malloc(sizeof(RDPSND_WAVE));
+
+ wave->wLocalTimeA = GetTickCount();
+ wave->wTimeStampA = rdpsnd->wTimeStamp;
+ wave->wFormatNo = rdpsnd->wCurrentFormatNo;
+ wave->cBlockNo = rdpsnd->cBlockNo;
+
+ wave->data = data;
+ wave->length = size;
+
+ format = &rdpsnd->ClientFormats[rdpsnd->wCurrentFormatNo];
+ wave->wAudioLength = rdpsnd_compute_audio_time_length(format, size);
+
+ if (!rdpsnd->device)
return;
+
+ if (rdpsnd->device->WaveDecode)
+ {
+ IFCALL(rdpsnd->device->WaveDecode, rdpsnd->device, wave);
+ }
+
+ if (rdpsnd->device->WavePlay)
+ {
+ IFCALL(rdpsnd->device->WavePlay, rdpsnd->device, wave);
+ }
+ else
+ {
+ IFCALL(rdpsnd->device->Play, rdpsnd->device, data, size);
+ }
+
+ if (!rdpsnd->device->WavePlay)
+ {
+ wave->wTimeStampB = rdpsnd->wTimeStamp + wave->wAudioLength + TIME_DELAY_MS;
+ wave->wLocalTimeB = wave->wLocalTimeA + wave->wAudioLength + TIME_DELAY_MS;
+ rdpsnd->device->WaveConfirm(rdpsnd->device, wave);
}
- if (rdpsnd->device)
- IFCALL(rdpsnd->device->Play, rdpsnd->device, stream_get_head(data_in), stream_get_size(data_in));
-
- process_ms = get_mstime() - rdpsnd->wave_timestamp;
- delay_ms = 250;
- wTimeStamp = rdpsnd->wTimeStamp + delay_ms;
-
- DEBUG_SVC("data_size %d delay_ms %u process_ms %u",
- stream_get_size(data_in), delay_ms, process_ms);
-
- item = xnew(struct data_out_item);
- item->data_out = stream_new(8);
- stream_write_BYTE(item->data_out, SNDC_WAVECONFIRM);
- stream_write_BYTE(item->data_out, 0);
- stream_write_UINT16(item->data_out, 4);
- stream_write_UINT16(item->data_out, wTimeStamp);
- stream_write_BYTE(item->data_out, rdpsnd->cBlockNo); /* cConfirmedBlockNo */
- stream_write_BYTE(item->data_out, 0); /* bPad */
- item->out_timestamp = rdpsnd->wave_timestamp + delay_ms;
-
- list_enqueue(rdpsnd->data_out_list, item);
- rdpsnd->plugin.interval_ms = 10;
}
-static void rdpsnd_process_message_close(rdpsndPlugin* rdpsnd)
+static void rdpsnd_recv_close_pdu(rdpsndPlugin* rdpsnd)
{
DEBUG_SVC("server closes.");
+
if (rdpsnd->device)
- IFCALL(rdpsnd->device->Start, rdpsnd->device);
- rdpsnd->close_timestamp = get_mstime() + 2000;
- rdpsnd->plugin.interval_ms = 10;
+ {
+ IFCALL(rdpsnd->device->Close, rdpsnd->device);
+ }
+
+ rdpsnd->isOpen = FALSE;
}
-static void rdpsnd_process_message_setvolume(rdpsndPlugin* rdpsnd, STREAM* data_in)
+static void rdpsnd_recv_volume_pdu(rdpsndPlugin* rdpsnd, STREAM* s)
{
UINT32 dwVolume;
- stream_read_UINT32(data_in, dwVolume);
+ stream_read_UINT32(s, dwVolume);
DEBUG_SVC("dwVolume 0x%X", dwVolume);
+
if (rdpsnd->device)
+ {
IFCALL(rdpsnd->device->SetVolume, rdpsnd->device, dwVolume);
+ }
}
-static void rdpsnd_process_receive(rdpSvcPlugin* plugin, STREAM* data_in)
+static void rdpsnd_recv_pdu(rdpSvcPlugin* plugin, STREAM* s)
{
- rdpsndPlugin* rdpsnd = (rdpsndPlugin*)plugin;
BYTE msgType;
UINT16 BodySize;
+ rdpsndPlugin* rdpsnd = (rdpsndPlugin*) plugin;
if (rdpsnd->expectingWave)
{
- rdpsnd_process_message_wave(rdpsnd, data_in);
- stream_free(data_in);
+ rdpsnd_recv_wave_pdu(rdpsnd, s);
+ stream_free(s);
return;
}
- stream_read_BYTE(data_in, msgType); /* msgType */
- stream_seek_BYTE(data_in); /* bPad */
- stream_read_UINT16(data_in, BodySize);
+ stream_read_BYTE(s, msgType); /* msgType */
+ stream_seek_BYTE(s); /* bPad */
+ stream_read_UINT16(s, BodySize);
- DEBUG_SVC("msgType %d BodySize %d", msgType, BodySize);
+ //printf("msgType %d BodySize %d\n", msgType, BodySize);
switch (msgType)
{
case SNDC_FORMATS:
- rdpsnd_process_message_formats(rdpsnd, data_in);
+ rdpsnd_recv_server_audio_formats_pdu(rdpsnd, s);
break;
+
case SNDC_TRAINING:
- rdpsnd_process_message_training(rdpsnd, data_in);
+ rdpsnd_recv_training_pdu(rdpsnd, s);
break;
+
case SNDC_WAVE:
- rdpsnd_process_message_wave_info(rdpsnd, data_in, BodySize);
+ rdpsnd_recv_wave_info_pdu(rdpsnd, s, BodySize);
break;
+
case SNDC_CLOSE:
- rdpsnd_process_message_close(rdpsnd);
+ rdpsnd_recv_close_pdu(rdpsnd);
break;
+
case SNDC_SETVOLUME:
- rdpsnd_process_message_setvolume(rdpsnd, data_in);
+ rdpsnd_recv_volume_pdu(rdpsnd, s);
break;
+
default:
DEBUG_WARN("unknown msgType %d", msgType);
break;
}
- stream_free(data_in);
+ stream_free(s);
}
static void rdpsnd_register_device_plugin(rdpsndPlugin* rdpsnd, rdpsndDevicePlugin* device)
DEBUG_WARN("existing device, abort.");
return;
}
+
rdpsnd->device = device;
+ device->rdpsnd = rdpsnd;
+
+ device->WaveConfirm = rdpsnd_device_send_wave_confirm_pdu;
}
-static BOOL rdpsnd_load_device_plugin(rdpsndPlugin* rdpsnd, const char* name, RDP_PLUGIN_DATA* data)
+static BOOL rdpsnd_load_device_plugin(rdpsndPlugin* rdpsnd, const char* name, ADDIN_ARGV* args)
{
- FREERDP_RDPSND_DEVICE_ENTRY_POINTS entryPoints;
PFREERDP_RDPSND_DEVICE_ENTRY entry;
- char* fullname;
+ FREERDP_RDPSND_DEVICE_ENTRY_POINTS entryPoints;
- if (strrchr(name, '.') != NULL)
- entry = (PFREERDP_RDPSND_DEVICE_ENTRY)freerdp_load_plugin(name, RDPSND_DEVICE_EXPORT_FUNC_NAME);
- else
- {
- fullname = xzalloc(strlen(name) + 8);
- strcpy(fullname, "rdpsnd_");
- strcat(fullname, name);
- entry = (PFREERDP_RDPSND_DEVICE_ENTRY)freerdp_load_plugin(fullname, RDPSND_DEVICE_EXPORT_FUNC_NAME);
- free(fullname);
- }
- if (entry == NULL)
- {
+ entry = (PFREERDP_RDPSND_DEVICE_ENTRY) freerdp_load_channel_addin_entry("rdpsnd", (LPSTR) name, NULL, 0);
+
+ if (!entry)
return FALSE;
- }
entryPoints.rdpsnd = rdpsnd;
entryPoints.pRegisterRdpsndDevice = rdpsnd_register_device_plugin;
- entryPoints.plugin_data = data;
+ entryPoints.args = args;
+
if (entry(&entryPoints) != 0)
{
DEBUG_WARN("%s entry returns error.", name);
return FALSE;
}
+
return TRUE;
}
-static void rdpsnd_process_plugin_data(rdpsndPlugin* rdpsnd, RDP_PLUGIN_DATA* data)
+void rdpsnd_set_subsystem(rdpsndPlugin* rdpsnd, char* subsystem)
{
- if (strcmp((char*)data->data[0], "format") == 0)
- {
- rdpsnd->fixed_format = atoi(data->data[1]);
- }
- else if (strcmp((char*)data->data[0], "rate") == 0)
- {
- rdpsnd->fixed_rate = atoi(data->data[1]);
- }
- else if (strcmp((char*)data->data[0], "channel") == 0)
- {
- rdpsnd->fixed_channel = atoi(data->data[1]);
- }
- else if (strcmp((char*)data->data[0], "latency") == 0)
- {
- rdpsnd->latency = atoi(data->data[1]);
- }
- else
+ if (rdpsnd->subsystem)
+ free(rdpsnd->subsystem);
+
+ rdpsnd->subsystem = _strdup(subsystem);
+}
+
+void rdpsnd_set_device_name(rdpsndPlugin* rdpsnd, char* device_name)
+{
+ if (rdpsnd->device_name)
+ free(rdpsnd->device_name);
+
+ rdpsnd->device_name = _strdup(device_name);
+}
+
+COMMAND_LINE_ARGUMENT_A rdpsnd_args[] =
+{
+ { "sys", COMMAND_LINE_VALUE_REQUIRED, "<subsystem>", NULL, NULL, -1, NULL, "subsystem" },
+ { "dev", COMMAND_LINE_VALUE_REQUIRED, "<device>", NULL, NULL, -1, NULL, "device" },
+ { "format", COMMAND_LINE_VALUE_REQUIRED, "<format>", NULL, NULL, -1, NULL, "format" },
+ { "rate", COMMAND_LINE_VALUE_REQUIRED, "<rate>", NULL, NULL, -1, NULL, "rate" },
+ { "channel", COMMAND_LINE_VALUE_REQUIRED, "<channel>", NULL, NULL, -1, NULL, "channel" },
+ { "latency", COMMAND_LINE_VALUE_REQUIRED, "<latency>", NULL, NULL, -1, NULL, "latency" },
+ { NULL, 0, NULL, NULL, NULL, -1, NULL, NULL }
+};
+
+static void rdpsnd_process_addin_args(rdpsndPlugin* rdpsnd, ADDIN_ARGV* args)
+{
+ int status;
+ DWORD flags;
+ COMMAND_LINE_ARGUMENT_A* arg;
+
+ flags = COMMAND_LINE_SIGIL_NONE | COMMAND_LINE_SEPARATOR_COLON;
+
+ status = CommandLineParseArgumentsA(args->argc, (const char**) args->argv,
+ rdpsnd_args, flags, rdpsnd, NULL, NULL);
+
+ arg = rdpsnd_args;
+
+ do
{
- rdpsnd_load_device_plugin(rdpsnd, (char*)data->data[0], data);
+ if (!(arg->Flags & COMMAND_LINE_VALUE_PRESENT))
+ continue;
+
+ CommandLineSwitchStart(arg)
+
+ CommandLineSwitchCase(arg, "sys")
+ {
+ rdpsnd_set_subsystem(rdpsnd, arg->Value);
+ }
+ CommandLineSwitchCase(arg, "dev")
+ {
+ rdpsnd_set_device_name(rdpsnd, arg->Value);
+ }
+ CommandLineSwitchCase(arg, "format")
+ {
+ rdpsnd->fixedFormat = atoi(arg->Value);
+ }
+ CommandLineSwitchCase(arg, "rate")
+ {
+ rdpsnd->fixedRate = atoi(arg->Value);
+ }
+ CommandLineSwitchCase(arg, "channel")
+ {
+ rdpsnd->fixedChannel = atoi(arg->Value);
+ }
+ CommandLineSwitchCase(arg, "latency")
+ {
+ rdpsnd->latency = atoi(arg->Value);
+ }
+ CommandLineSwitchDefault(arg)
+ {
+
+ }
+
+ CommandLineSwitchEnd(arg)
}
+ while ((arg = CommandLineFindNextArgumentA(arg)) != NULL);
}
static void rdpsnd_process_connect(rdpSvcPlugin* plugin)
{
+ ADDIN_ARGV* args;
rdpsndPlugin* rdpsnd = (rdpsndPlugin*) plugin;
- RDP_PLUGIN_DATA* data;
- RDP_PLUGIN_DATA default_data[2] = { { 0 }, { 0 } };
DEBUG_SVC("connecting");
- plugin->interval_callback = rdpsnd_process_interval;
-
- rdpsnd->data_out_list = list_new();
rdpsnd->latency = -1;
+ rdpsnd->queue = MessageQueue_New();
+ rdpsnd->thread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) rdpsnd_schedule_thread, (void*) plugin, 0, NULL);
+
+ args = (ADDIN_ARGV*) plugin->channel_entry_points.pExtendedData;
- data = (RDP_PLUGIN_DATA*) plugin->channel_entry_points.pExtendedData;
+ if (args)
+ rdpsnd_process_addin_args(rdpsnd, args);
- while (data && data->size > 0)
+ if (rdpsnd->subsystem)
{
- rdpsnd_process_plugin_data(rdpsnd, data);
- data = (RDP_PLUGIN_DATA*) (((BYTE*) data) + data->size);
+ if (strcmp(rdpsnd->subsystem, "fake") == 0)
+ return;
+
+ rdpsnd_load_device_plugin(rdpsnd, rdpsnd->subsystem, args);
}
- if (rdpsnd->device == NULL)
+ if (!rdpsnd->device)
{
- default_data[0].size = sizeof(RDP_PLUGIN_DATA);
- default_data[0].data[0] = "pulse";
- default_data[0].data[1] = "";
+ rdpsnd_set_subsystem(rdpsnd, "pulse");
+ rdpsnd_set_device_name(rdpsnd, "");
+ rdpsnd_load_device_plugin(rdpsnd, rdpsnd->subsystem, args);
+ }
- if (!rdpsnd_load_device_plugin(rdpsnd, "pulse", default_data))
- {
- default_data[0].data[0] = "alsa";
- default_data[0].data[1] = "default";
+ if (!rdpsnd->device)
+ {
+ rdpsnd_set_subsystem(rdpsnd, "alsa");
+ rdpsnd_set_device_name(rdpsnd, "default");
+ rdpsnd_load_device_plugin(rdpsnd, rdpsnd->subsystem, args);
+ }
- if (!rdpsnd_load_device_plugin(rdpsnd, "alsa", default_data))
- {
- default_data[0].data[0] = "macaudio";
- default_data[0].data[1] = "default";
-
- rdpsnd_load_device_plugin(rdpsnd, "macaudio", default_data);
- }
- else
- {
- printf("rdpsnd: successfully loaded alsa plugin\n");
- }
- }
- else
- {
- printf("rdpsnd: successfully loaded pulseaudio plugin\n");
- }
+ if (!rdpsnd->device)
+ {
+ rdpsnd_set_subsystem(rdpsnd, "macaudio");
+ rdpsnd_set_device_name(rdpsnd, "default");
+ rdpsnd_load_device_plugin(rdpsnd, rdpsnd->subsystem, args);
+ }
+
+ if (!rdpsnd->device)
+ {
+ rdpsnd_set_subsystem(rdpsnd, "winmm");
+ rdpsnd_set_device_name(rdpsnd, "");
+ rdpsnd_load_device_plugin(rdpsnd, rdpsnd->subsystem, args);
}
- if (rdpsnd->device == NULL)
+
+ if (!rdpsnd->device)
{
DEBUG_WARN("no sound device.");
+ return;
}
}
static void rdpsnd_process_terminate(rdpSvcPlugin* plugin)
{
- struct data_out_item* item;
rdpsndPlugin* rdpsnd = (rdpsndPlugin*) plugin;
if (rdpsnd->device)
IFCALL(rdpsnd->device->Free, rdpsnd->device);
- while ((item = list_dequeue(rdpsnd->data_out_list)) != NULL)
- {
- stream_free(item->data_out);
- free(item);
- }
- list_free(rdpsnd->data_out_list);
+ MessageQueue_PostQuit(rdpsnd->queue, 0);
+ WaitForSingleObject(rdpsnd->thread, INFINITE);
+
+ MessageQueue_Free(rdpsnd->queue);
+ CloseHandle(rdpsnd->thread);
- rdpsnd_free_supported_formats(rdpsnd);
+ if (rdpsnd->subsystem)
+ free(rdpsnd->subsystem);
- free(plugin);
+ if (rdpsnd->device_name)
+ free(rdpsnd->device_name);
+
+ rdpsnd_free_audio_formats(rdpsnd->ServerFormats, rdpsnd->NumberOfServerFormats);
+ rdpsnd->NumberOfServerFormats = 0;
+ rdpsnd->ServerFormats = NULL;
+
+ rdpsnd_free_audio_formats(rdpsnd->ClientFormats, rdpsnd->NumberOfClientFormats);
+ rdpsnd->NumberOfClientFormats = 0;
+ rdpsnd->ClientFormats = NULL;
}
/* rdpsnd is always built-in */
#define VirtualChannelEntry rdpsnd_VirtualChannelEntry
-const int VirtualChannelEntry(PCHANNEL_ENTRY_POINTS pEntryPoints)
+int VirtualChannelEntry(PCHANNEL_ENTRY_POINTS pEntryPoints)
{
rdpsndPlugin* _p;
strcpy(_p->plugin.channel_def.name, "rdpsnd");
_p->plugin.connect_callback = rdpsnd_process_connect;
- _p->plugin.receive_callback = rdpsnd_process_receive;
+ _p->plugin.receive_callback = rdpsnd_recv_pdu;
_p->plugin.event_callback = rdpsnd_process_event;
_p->plugin.terminate_callback = rdpsnd_process_terminate;
+#ifndef _WIN32
+ {
+ sigset_t mask;
+ sigemptyset(&mask);
+ sigaddset(&mask, SIGIO);
+ pthread_sigmask(SIG_BLOCK, &mask, NULL);
+ }
+#endif
+
svc_plugin_init((rdpSvcPlugin*) _p, pEntryPoints);
return 1;