client/rdpsnd_main.c File Reference

#include <freerdp/config.h>
#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/assert.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/freerdp.h>
#include <freerdp/codec/dsp.h>
#include <freerdp/client/channels.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_apply_volume (rdpsndPlugin *rdpsnd)
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, const 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, const 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 void	cleanup_internals (rdpsndPlugin *rdpsnd)
static UINT	rdpsnd_virtual_channel_event_disconnected (rdpsndPlugin *rdpsnd)
static void	queue_free (void *obj)
static void	free_internals (rdpsndPlugin *rdpsnd)
static BOOL	allocate_internals (rdpsndPlugin *rdpsnd)
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)
static rdpsndPlugin *	allocatePlugin (void)
	FREERDP_ENTRY_POINT (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)
	WINPR_ASSERT (pEntryPoints)
	WINPR_ASSERT (pEntryPoints->GetPlugin)
	if (!rdpsnd)

Variables
rdpsndPlugin *	rdpsnd = NULL
	else
return	CHANNEL_RC_BAD_CHANNEL
return	error

Function Documentation

allocate_internals()

static BOOL allocate_internals ( rdpsndPlugin *  rdpsnd )

static

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allocatePlugin()

static rdpsndPlugin* allocatePlugin ( void  )

static

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cleanup_internals()

static void cleanup_internals ( rdpsndPlugin *  rdpsnd )

static

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free_internals()

static void free_internals ( rdpsndPlugin *  rdpsnd )

static

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FREERDP_ENTRY_POINT()

FREERDP_ENTRY_POINT

(

BOOL VCAPITYPE

rdpsnd_VirtualChannelEntryExPCHANNEL_ENTRY_POINTS pEntryPoints, PVOID pInitHandle

)

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freerdp_rdpsnd_get_context()

rdpContext* freerdp_rdpsnd_get_context

(

rdpsndPlugin *

plugin

)

if()

if

(

!

rdpsnd

)

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play_thread()

static DWORD WINAPI play_thread ( LPVOID  arg )

static

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queue_free()

static void queue_free ( void *  obj )

static

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rdpsnd_apply_volume()

static BOOL rdpsnd_apply_volume ( rdpsndPlugin *  rdpsnd )

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_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, const 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, const 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()

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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WINPR_ASSERT() [1/2]

WINPR_ASSERT

(

pEntryPoints

)

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WINPR_ASSERT() [2/2]

WINPR_ASSERT

(

pEntryPoints->

GetPlugin

)

Variable Documentation

CHANNEL_RC_BAD_CHANNEL

return CHANNEL_RC_BAD_CHANNEL

else

else

Initial value:

{
                WLog_ERR(TAG, "%s could not get rdpsnd Plugin.", rdpsnd_is_dyn_str(TRUE))

error

return error

rdpsnd

rdpsnd = NULL

Function description

Returns

0 on success, otherwise a Win32 error code