FreeRDP
client/rdpsnd_main.c File Reference
#include <sys/time.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <winpr/crt.h>
#include <winpr/wlog.h>
#include <winpr/stream.h>
#include <winpr/cmdline.h>
#include <winpr/sysinfo.h>
#include <winpr/collections.h>
#include <freerdp/types.h>
#include <freerdp/addin.h>
#include <freerdp/codec/dsp.h>
#include "rdpsnd_common.h"
#include "rdpsnd_main.h"

Functions

static const char * rdpsnd_is_dyn_str (BOOL dynamic)
 
static void rdpsnd_virtual_channel_event_terminated (rdpsndPlugin *rdpsnd)
 
static UINT rdpsnd_virtual_channel_write (rdpsndPlugin *rdpsnd, wStream *s)
 
static UINT rdpsnd_send_quality_mode_pdu (rdpsndPlugin *rdpsnd)
 
static void rdpsnd_select_supported_audio_formats (rdpsndPlugin *rdpsnd)
 
static UINT rdpsnd_send_client_audio_formats (rdpsndPlugin *rdpsnd)
 
static UINT rdpsnd_recv_server_audio_formats_pdu (rdpsndPlugin *rdpsnd, wStream *s)
 
static UINT rdpsnd_send_training_confirm_pdu (rdpsndPlugin *rdpsnd, UINT16 wTimeStamp, UINT16 wPackSize)
 
static UINT rdpsnd_recv_training_pdu (rdpsndPlugin *rdpsnd, wStream *s)
 
static BOOL rdpsnd_ensure_device_is_open (rdpsndPlugin *rdpsnd, UINT32 wFormatNo, const AUDIO_FORMAT *format)
 
static UINT rdpsnd_recv_wave_info_pdu (rdpsndPlugin *rdpsnd, wStream *s, UINT16 BodySize)
 
static UINT rdpsnd_send_wave_confirm_pdu (rdpsndPlugin *rdpsnd, UINT16 wTimeStamp, BYTE cConfirmedBlockNo)
 
static BOOL rdpsnd_detect_overrun (rdpsndPlugin *rdpsnd, const AUDIO_FORMAT *format, size_t size)
 
static UINT rdpsnd_treat_wave (rdpsndPlugin *rdpsnd, wStream *s, size_t size)
 
static UINT rdpsnd_recv_wave_pdu (rdpsndPlugin *rdpsnd, wStream *s)
 
static UINT rdpsnd_recv_wave2_pdu (rdpsndPlugin *rdpsnd, wStream *s, UINT16 BodySize)
 
static void rdpsnd_recv_close_pdu (rdpsndPlugin *rdpsnd)
 
static UINT rdpsnd_recv_volume_pdu (rdpsndPlugin *rdpsnd, wStream *s)
 
static UINT rdpsnd_recv_pdu (rdpsndPlugin *rdpsnd, wStream *s)
 
static void rdpsnd_register_device_plugin (rdpsndPlugin *rdpsnd, rdpsndDevicePlugin *device)
 
static UINT rdpsnd_load_device_plugin (rdpsndPlugin *rdpsnd, const char *name, ADDIN_ARGV *args)
 
static BOOL rdpsnd_set_subsystem (rdpsndPlugin *rdpsnd, const char *subsystem)
 
static BOOL rdpsnd_set_device_name (rdpsndPlugin *rdpsnd, const char *device_name)
 
static UINT rdpsnd_process_addin_args (rdpsndPlugin *rdpsnd, ADDIN_ARGV *args)
 
static UINT rdpsnd_process_connect (rdpsndPlugin *rdpsnd)
 
static UINT rdpsnd_virtual_channel_event_data_received (rdpsndPlugin *plugin, void *pData, UINT32 dataLength, UINT32 totalLength, UINT32 dataFlags)
 
static VOID VCAPITYPE rdpsnd_virtual_channel_open_event_ex (LPVOID lpUserParam, DWORD openHandle, UINT event, LPVOID pData, UINT32 dataLength, UINT32 totalLength, UINT32 dataFlags)
 
static UINT rdpsnd_virtual_channel_event_connected (rdpsndPlugin *rdpsnd, LPVOID pData, UINT32 dataLength)
 
static UINT rdpsnd_virtual_channel_event_disconnected (rdpsndPlugin *rdpsnd)
 
static void _queue_free (void *obj)
 
static DWORD WINAPI play_thread (LPVOID arg)
 
static UINT rdpsnd_virtual_channel_event_initialized (rdpsndPlugin *rdpsnd)
 
static VOID VCAPITYPE rdpsnd_virtual_channel_init_event_ex (LPVOID lpUserParam, LPVOID pInitHandle, UINT event, LPVOID pData, UINT dataLength)
 
rdpContext * freerdp_rdpsnd_get_context (rdpsndPlugin *plugin)
 
BOOL VCAPITYPE rdpsnd_VirtualChannelEntryEx (PCHANNEL_ENTRY_POINTS pEntryPoints, PVOID pInitHandle)
 
static UINT rdpsnd_on_open (IWTSVirtualChannelCallback *pChannelCallback)
 
static UINT rdpsnd_on_data_received (IWTSVirtualChannelCallback *pChannelCallback, wStream *data)
 
static UINT rdpsnd_on_close (IWTSVirtualChannelCallback *pChannelCallback)
 
static UINT rdpsnd_on_new_channel_connection (IWTSListenerCallback *pListenerCallback, IWTSVirtualChannel *pChannel, BYTE *Data, BOOL *pbAccept, IWTSVirtualChannelCallback **ppCallback)
 
static UINT rdpsnd_plugin_initialize (IWTSPlugin *pPlugin, IWTSVirtualChannelManager *pChannelMgr)
 
static UINT rdpsnd_plugin_terminated (IWTSPlugin *pPlugin)
 
UINT rdpsnd_DVCPluginEntry (IDRDYNVC_ENTRY_POINTS *pEntryPoints)
 

Function Documentation

◆ _queue_free()

static void _queue_free ( void *  obj)
static
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◆ freerdp_rdpsnd_get_context()

rdpContext* freerdp_rdpsnd_get_context ( rdpsndPlugin *  plugin)
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◆ play_thread()

static DWORD WINAPI play_thread ( LPVOID  arg)
static
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◆ rdpsnd_detect_overrun()

static BOOL rdpsnd_detect_overrun ( rdpsndPlugin *  rdpsnd,
const AUDIO_FORMAT format,
size_t  size 
)
static
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◆ rdpsnd_DVCPluginEntry()

UINT rdpsnd_DVCPluginEntry ( IDRDYNVC_ENTRY_POINTS *  pEntryPoints)

Function description

Returns
0 on success, otherwise a Win32 error code
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◆ rdpsnd_ensure_device_is_open()

static BOOL rdpsnd_ensure_device_is_open ( rdpsndPlugin *  rdpsnd,
UINT32  wFormatNo,
const AUDIO_FORMAT format 
)
static
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◆ rdpsnd_is_dyn_str()

static const char* rdpsnd_is_dyn_str ( BOOL  dynamic)
static
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◆ rdpsnd_load_device_plugin()

static UINT rdpsnd_load_device_plugin ( rdpsndPlugin *  rdpsnd,
const char *  name,
ADDIN_ARGV *  args 
)
static

Function description

Returns
0 on success, otherwise a Win32 error code
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◆ rdpsnd_on_close()

static UINT rdpsnd_on_close ( IWTSVirtualChannelCallback *  pChannelCallback)
static
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◆ rdpsnd_on_data_received()

static UINT rdpsnd_on_data_received ( IWTSVirtualChannelCallback *  pChannelCallback,
wStream *  data 
)
static
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◆ rdpsnd_on_new_channel_connection()

static UINT rdpsnd_on_new_channel_connection ( IWTSListenerCallback *  pListenerCallback,
IWTSVirtualChannel *  pChannel,
BYTE Data,
BOOL *  pbAccept,
IWTSVirtualChannelCallback **  ppCallback 
)
static
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◆ rdpsnd_on_open()

static UINT rdpsnd_on_open ( IWTSVirtualChannelCallback *  pChannelCallback)
static
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◆ rdpsnd_plugin_initialize()

static UINT rdpsnd_plugin_initialize ( IWTSPlugin *  pPlugin,
IWTSVirtualChannelManager *  pChannelMgr 
)
static
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◆ rdpsnd_plugin_terminated()

static UINT rdpsnd_plugin_terminated ( IWTSPlugin *  pPlugin)
static

Function description

Returns
0 on success, otherwise a Win32 error code
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◆ rdpsnd_process_addin_args()

static UINT rdpsnd_process_addin_args ( rdpsndPlugin *  rdpsnd,
ADDIN_ARGV *  args 
)
static

Function description

Returns
0 on success, otherwise a Win32 error code
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◆ rdpsnd_process_connect()

static UINT rdpsnd_process_connect ( rdpsndPlugin *  rdpsnd)
static

Function description

Returns
0 on success, otherwise a Win32 error code
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◆ rdpsnd_recv_close_pdu()

static void rdpsnd_recv_close_pdu ( rdpsndPlugin *  rdpsnd)
static
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◆ rdpsnd_recv_pdu()

static UINT rdpsnd_recv_pdu ( rdpsndPlugin *  rdpsnd,
wStream *  s 
)
static

Function description

Returns
0 on success, otherwise a Win32 error code
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◆ rdpsnd_recv_server_audio_formats_pdu()

static UINT rdpsnd_recv_server_audio_formats_pdu ( rdpsndPlugin *  rdpsnd,
wStream *  s 
)
static

Function description

Returns
0 on success, otherwise a Win32 error code
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◆ rdpsnd_recv_training_pdu()

static UINT rdpsnd_recv_training_pdu ( rdpsndPlugin *  rdpsnd,
wStream *  s 
)
static

Function description

Returns
0 on success, otherwise a Win32 error code
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◆ rdpsnd_recv_volume_pdu()

static UINT rdpsnd_recv_volume_pdu ( rdpsndPlugin *  rdpsnd,
wStream *  s 
)
static

Function description

Returns
0 on success, otherwise a Win32 error code
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◆ rdpsnd_recv_wave2_pdu()

static UINT rdpsnd_recv_wave2_pdu ( rdpsndPlugin *  rdpsnd,
wStream *  s,
UINT16  BodySize 
)
static
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◆ rdpsnd_recv_wave_info_pdu()

static UINT rdpsnd_recv_wave_info_pdu ( rdpsndPlugin *  rdpsnd,
wStream *  s,
UINT16  BodySize 
)
static

Function description

Returns
0 on success, otherwise a Win32 error code
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◆ rdpsnd_recv_wave_pdu()

static UINT rdpsnd_recv_wave_pdu ( rdpsndPlugin *  rdpsnd,
wStream *  s 
)
static

Function description

Returns
0 on success, otherwise a Win32 error code

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.

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◆ rdpsnd_register_device_plugin()

static void rdpsnd_register_device_plugin ( rdpsndPlugin *  rdpsnd,
rdpsndDevicePlugin *  device 
)
static
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◆ rdpsnd_select_supported_audio_formats()

static void rdpsnd_select_supported_audio_formats ( rdpsndPlugin *  rdpsnd)
static
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◆ rdpsnd_send_client_audio_formats()

static UINT rdpsnd_send_client_audio_formats ( rdpsndPlugin *  rdpsnd)
static

Function description

Returns
0 on success, otherwise a Win32 error code
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◆ rdpsnd_send_quality_mode_pdu()

static UINT rdpsnd_send_quality_mode_pdu ( rdpsndPlugin *  rdpsnd)
static

Function description

Returns
0 on success, otherwise a Win32 error code
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◆ rdpsnd_send_training_confirm_pdu()

static UINT rdpsnd_send_training_confirm_pdu ( rdpsndPlugin *  rdpsnd,
UINT16  wTimeStamp,
UINT16  wPackSize 
)
static

Function description

Returns
0 on success, otherwise a Win32 error code
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◆ rdpsnd_send_wave_confirm_pdu()

static UINT rdpsnd_send_wave_confirm_pdu ( rdpsndPlugin *  rdpsnd,
UINT16  wTimeStamp,
BYTE  cConfirmedBlockNo 
)
static

Function description

Returns
0 on success, otherwise a Win32 error code
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◆ rdpsnd_set_device_name()

static BOOL rdpsnd_set_device_name ( rdpsndPlugin *  rdpsnd,
const char *  device_name 
)
static
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◆ rdpsnd_set_subsystem()

static BOOL rdpsnd_set_subsystem ( rdpsndPlugin *  rdpsnd,
const char *  subsystem 
)
static
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◆ rdpsnd_treat_wave()

static UINT rdpsnd_treat_wave ( rdpsndPlugin *  rdpsnd,
wStream *  s,
size_t  size 
)
static
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◆ rdpsnd_virtual_channel_event_connected()

static UINT rdpsnd_virtual_channel_event_connected ( rdpsndPlugin *  rdpsnd,
LPVOID  pData,
UINT32  dataLength 
)
static

Function description

Returns
0 on success, otherwise a Win32 error code
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◆ rdpsnd_virtual_channel_event_data_received()

static UINT rdpsnd_virtual_channel_event_data_received ( rdpsndPlugin *  plugin,
void *  pData,
UINT32  dataLength,
UINT32  totalLength,
UINT32  dataFlags 
)
static

Function description

Returns
0 on success, otherwise a Win32 error code
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◆ rdpsnd_virtual_channel_event_disconnected()

static UINT rdpsnd_virtual_channel_event_disconnected ( rdpsndPlugin *  rdpsnd)
static

Function description

Returns
0 on success, otherwise a Win32 error code
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◆ rdpsnd_virtual_channel_event_initialized()

static UINT rdpsnd_virtual_channel_event_initialized ( rdpsndPlugin *  rdpsnd)
static
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◆ rdpsnd_virtual_channel_event_terminated()

static void rdpsnd_virtual_channel_event_terminated ( rdpsndPlugin *  rdpsnd)
static
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◆ rdpsnd_virtual_channel_init_event_ex()

static VOID VCAPITYPE rdpsnd_virtual_channel_init_event_ex ( LPVOID  lpUserParam,
LPVOID  pInitHandle,
UINT  event,
LPVOID  pData,
UINT  dataLength 
)
static
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◆ rdpsnd_virtual_channel_open_event_ex()

static VOID VCAPITYPE rdpsnd_virtual_channel_open_event_ex ( LPVOID  lpUserParam,
DWORD  openHandle,
UINT  event,
LPVOID  pData,
UINT32  dataLength,
UINT32  totalLength,
UINT32  dataFlags 
)
static
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◆ rdpsnd_virtual_channel_write()

UINT rdpsnd_virtual_channel_write ( rdpsndPlugin *  rdpsnd,
wStream *  s 
)
static

Function description

Returns
0 on success, otherwise a Win32 error code
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◆ rdpsnd_VirtualChannelEntryEx()

BOOL VCAPITYPE rdpsnd_VirtualChannelEntryEx ( PCHANNEL_ENTRY_POINTS  pEntryPoints,
PVOID  pInitHandle 
)
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