gstreamer/sys/winks/kshelpers.c
Руслан Ижбулатов a31855d618 GstDeviceProvider implementation for WIN Kernel Streaming plugin
gst_ks_device_provider_probe() is a no-braier, just runs ks_enumerate_devices()
and reports the results.

Monitoring is a bit more tricky. We have to create a dummy message-processing
window and register device change notifications for it.

As kernel streaming can (and should) be used for audio capture and audio
playback, this change also has certain placeholders for such.

https://bugzilla.gnome.org/show_bug.cgi?id=747757
2015-04-28 20:24:26 -04:00

512 lines
15 KiB
C

/*
* Copyright (C) 2008 Ole André Vadla Ravnås <ole.andre.ravnas@tandberg.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "kshelpers.h"
#include <ksmedia.h>
#include <setupapi.h>
#include <gst/gst.h>
GST_DEBUG_CATEGORY_EXTERN (gst_ks_debug);
#define GST_CAT_DEFAULT gst_ks_debug
#ifndef STATIC_KSPROPSETID_Wave_Queued
#define STATIC_KSPROPSETID_Wave_Queued \
0x16a15b10L, 0x16f0, 0x11d0, { 0xa1, 0x95, 0x00, 0x20, 0xaf, 0xd1, 0x56, 0xe4 }
DEFINE_GUIDSTRUCT ("16a15b10-16f0-11d0-a195-0020afd156e4",
KSPROPSETID_Wave_Queued);
#endif
gboolean
ks_is_valid_handle (HANDLE h)
{
return (h != INVALID_HANDLE_VALUE && h != NULL);
}
GList *
ks_enumerate_devices (const GUID * devtype, const GUID * direction_category)
{
GList *result = NULL;
HDEVINFO devinfo;
gint i;
devinfo = SetupDiGetClassDevsW (devtype, NULL, NULL,
DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
if (!ks_is_valid_handle (devinfo))
return NULL; /* no devices */
for (i = 0;; i++) {
BOOL success;
SP_DEVICE_INTERFACE_DATA if_data = { 0, };
SP_DEVICE_INTERFACE_DATA if_alias_data = { 0, };
SP_DEVICE_INTERFACE_DETAIL_DATA_W *if_detail_data;
DWORD if_detail_data_size;
SP_DEVINFO_DATA devinfo_data = { 0, };
DWORD req_size;
if_data.cbSize = sizeof (SP_DEVICE_INTERFACE_DATA);
success = SetupDiEnumDeviceInterfaces (devinfo, NULL, devtype, i, &if_data);
if (!success) /* all devices enumerated? */
break;
if_alias_data.cbSize = sizeof (SP_DEVICE_INTERFACE_DATA);
success =
SetupDiGetDeviceInterfaceAlias (devinfo, &if_data, direction_category,
&if_alias_data);
if (!success)
continue;
if_detail_data_size = (MAX_PATH - 1) * sizeof (gunichar2);
if_detail_data = g_malloc0 (if_detail_data_size);
if_detail_data->cbSize = sizeof (SP_DEVICE_INTERFACE_DETAIL_DATA_W);
devinfo_data.cbSize = sizeof (SP_DEVINFO_DATA);
success = SetupDiGetDeviceInterfaceDetailW (devinfo, &if_data,
if_detail_data, if_detail_data_size, &req_size, &devinfo_data);
if (success) {
KsDeviceEntry *entry;
WCHAR buf[512];
entry = g_new0 (KsDeviceEntry, 1);
entry->index = i;
entry->path =
g_utf16_to_utf8 (if_detail_data->DevicePath, -1, NULL, NULL, NULL);
if (SetupDiGetDeviceRegistryPropertyW (devinfo, &devinfo_data,
SPDRP_FRIENDLYNAME, NULL, (BYTE *) buf, sizeof (buf), NULL)) {
entry->name = g_utf16_to_utf8 (buf, -1, NULL, NULL, NULL);
}
if (entry->name == NULL) {
if (SetupDiGetDeviceRegistryPropertyW (devinfo, &devinfo_data,
SPDRP_DEVICEDESC, NULL, (BYTE *) buf, sizeof (buf), NULL)) {
entry->name = g_utf16_to_utf8 (buf, -1, NULL, NULL, NULL);
}
}
if (entry->name != NULL)
result = g_list_prepend (result, entry);
else
ks_device_entry_free (entry);
}
g_free (if_detail_data);
}
SetupDiDestroyDeviceInfoList (devinfo);
return g_list_reverse (result);
}
void
ks_device_entry_free (KsDeviceEntry * entry)
{
if (entry == NULL)
return;
g_free (entry->path);
g_free (entry->name);
g_free (entry);
}
void
ks_device_list_free (GList * devices)
{
GList *cur;
for (cur = devices; cur != NULL; cur = cur->next)
ks_device_entry_free (cur->data);
g_list_free (devices);
}
static gboolean
ks_sync_device_io_control (HANDLE device, gulong io_control_code,
gpointer in_buffer, gulong in_buffer_size, gpointer out_buffer,
gulong out_buffer_size, gulong * bytes_returned, gulong * error)
{
OVERLAPPED overlapped = { 0, };
BOOL success;
overlapped.hEvent = CreateEvent (NULL, TRUE, FALSE, NULL);
success = DeviceIoControl (device, io_control_code, in_buffer,
in_buffer_size, out_buffer, out_buffer_size, bytes_returned, &overlapped);
if (!success) {
DWORD err;
if ((err = GetLastError ()) == ERROR_IO_PENDING) {
success = GetOverlappedResult (device, &overlapped, bytes_returned, TRUE);
if (!success)
err = GetLastError ();
}
if (error != NULL)
*error = err;
}
CloseHandle (overlapped.hEvent);
return success ? TRUE : FALSE;
}
gboolean
ks_filter_get_pin_property (HANDLE filter_handle, gulong pin_id,
GUID prop_set, gulong prop_id, gpointer value, gulong value_size,
gulong * error)
{
KSP_PIN prop;
DWORD bytes_returned = 0;
memset (&prop, 0, sizeof (KSP_PIN));
prop.PinId = pin_id;
prop.Property.Set = prop_set;
prop.Property.Id = prop_id;
prop.Property.Flags = KSPROPERTY_TYPE_GET;
return ks_sync_device_io_control (filter_handle, IOCTL_KS_PROPERTY, &prop,
sizeof (prop), value, value_size, &bytes_returned, error);
}
gboolean
ks_filter_get_pin_property_multi (HANDLE filter_handle, gulong pin_id,
GUID prop_set, gulong prop_id, KSMULTIPLE_ITEM ** items, gulong * error)
{
KSP_PIN prop;
DWORD items_size = 0, bytes_written = 0;
gulong err;
gboolean ret;
memset (&prop, 0, sizeof (KSP_PIN));
*items = NULL;
prop.PinId = pin_id;
prop.Property.Set = prop_set;
prop.Property.Id = prop_id;
prop.Property.Flags = KSPROPERTY_TYPE_GET;
ret = ks_sync_device_io_control (filter_handle, IOCTL_KS_PROPERTY,
&prop.Property, sizeof (prop), NULL, 0, &items_size, &err);
if (!ret && err != ERROR_INSUFFICIENT_BUFFER && err != ERROR_MORE_DATA)
goto ioctl_failed;
*items = g_malloc0 (items_size);
ret = ks_sync_device_io_control (filter_handle, IOCTL_KS_PROPERTY, &prop,
sizeof (prop), *items, items_size, &bytes_written, &err);
if (!ret)
goto ioctl_failed;
return ret;
ioctl_failed:
if (error != NULL)
*error = err;
g_free (*items);
*items = NULL;
return FALSE;
}
gboolean
ks_object_query_property (HANDLE handle, GUID prop_set, gulong prop_id,
gulong prop_flags, gpointer * value, gulong * value_size, gulong * error)
{
KSPROPERTY prop;
DWORD req_value_size = 0, bytes_written = 0;
gulong err;
gboolean ret;
memset (&prop, 0, sizeof (KSPROPERTY));
*value = NULL;
prop.Set = prop_set;
prop.Id = prop_id;
prop.Flags = prop_flags;
if (value_size == NULL || *value_size == 0) {
ret = ks_sync_device_io_control (handle, IOCTL_KS_PROPERTY,
&prop, sizeof (prop), NULL, 0, &req_value_size, &err);
if (!ret && err != ERROR_INSUFFICIENT_BUFFER && err != ERROR_MORE_DATA)
goto ioctl_failed;
} else {
req_value_size = *value_size;
}
*value = g_malloc0 (req_value_size);
ret = ks_sync_device_io_control (handle, IOCTL_KS_PROPERTY, &prop,
sizeof (prop), *value, req_value_size, &bytes_written, &err);
if (!ret)
goto ioctl_failed;
if (value_size != NULL)
*value_size = bytes_written;
return ret;
ioctl_failed:
if (error != NULL)
*error = err;
g_free (*value);
*value = NULL;
if (value_size != NULL)
*value_size = 0;
return FALSE;
}
gboolean
ks_object_get_property (HANDLE handle, GUID prop_set, gulong prop_id,
gpointer * value, gulong * value_size, gulong * error)
{
return ks_object_query_property (handle, prop_set, prop_id,
KSPROPERTY_TYPE_GET, value, value_size, error);
}
gboolean
ks_object_set_property (HANDLE handle, GUID prop_set, gulong prop_id,
gpointer value, gulong value_size, gulong * error)
{
KSPROPERTY prop;
DWORD bytes_returned;
memset (&prop, 0, sizeof (KSPROPERTY));
prop.Set = prop_set;
prop.Id = prop_id;
prop.Flags = KSPROPERTY_TYPE_SET;
return ks_sync_device_io_control (handle, IOCTL_KS_PROPERTY, &prop,
sizeof (prop), value, value_size, &bytes_returned, error);
}
gboolean
ks_object_get_supported_property_sets (HANDLE handle, GUID ** propsets,
gulong * len)
{
gulong size = 0;
gulong error;
*propsets = NULL;
*len = 0;
if (ks_object_query_property (handle, GUID_NULL, 0,
KSPROPERTY_TYPE_SETSUPPORT, (void *) propsets, &size, &error)) {
if (size % sizeof (GUID) == 0) {
*len = size / sizeof (GUID);
return TRUE;
}
}
g_free (*propsets);
*propsets = NULL;
*len = 0;
return FALSE;
}
gboolean
ks_object_set_connection_state (HANDLE handle, KSSTATE state, gulong * error)
{
return ks_object_set_property (handle, KSPROPSETID_Connection,
KSPROPERTY_CONNECTION_STATE, &state, sizeof (state), error);
}
gchar *
ks_guid_to_string (const GUID * guid)
{
return g_strdup_printf ("{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
(guint) guid->Data1, (guint) guid->Data2, (guint) guid->Data3,
(guint) guid->Data4[0], (guint) guid->Data4[1], (guint) guid->Data4[2],
(guint) guid->Data4[3], (guint) guid->Data4[4], (guint) guid->Data4[5],
(guint) guid->Data4[6], (guint) guid->Data4[7]);
}
const gchar *
ks_state_to_string (KSSTATE state)
{
switch (state) {
case KSSTATE_STOP:
return "KSSTATE_STOP";
case KSSTATE_ACQUIRE:
return "KSSTATE_ACQUIRE";
case KSSTATE_PAUSE:
return "KSSTATE_PAUSE";
case KSSTATE_RUN:
return "KSSTATE_RUN";
default:
g_assert_not_reached ();
}
return "UNKNOWN";
}
#define CHECK_OPTIONS_FLAG(flag) \
if (flags & KSSTREAM_HEADER_OPTIONSF_##flag)\
{\
if (str->len > 0)\
g_string_append (str, "|");\
g_string_append (str, G_STRINGIFY (flag));\
flags &= ~KSSTREAM_HEADER_OPTIONSF_##flag;\
}
gchar *
ks_options_flags_to_string (gulong flags)
{
gchar *ret;
GString *str;
str = g_string_sized_new (128);
CHECK_OPTIONS_FLAG (SPLICEPOINT);
CHECK_OPTIONS_FLAG (PREROLL);
CHECK_OPTIONS_FLAG (DATADISCONTINUITY);
CHECK_OPTIONS_FLAG (TYPECHANGED);
CHECK_OPTIONS_FLAG (TIMEVALID);
CHECK_OPTIONS_FLAG (TIMEDISCONTINUITY);
CHECK_OPTIONS_FLAG (FLUSHONPAUSE);
CHECK_OPTIONS_FLAG (DURATIONVALID);
CHECK_OPTIONS_FLAG (ENDOFSTREAM);
CHECK_OPTIONS_FLAG (BUFFEREDTRANSFER);
CHECK_OPTIONS_FLAG (VRAM_DATA_TRANSFER);
CHECK_OPTIONS_FLAG (LOOPEDDATA);
if (flags != 0)
g_string_append_printf (str, "|0x%08x", (guint) flags);
ret = str->str;
g_string_free (str, FALSE);
return ret;
}
typedef struct
{
const GUID guid;
const gchar *name;
} KsPropertySetMapping;
#ifndef STATIC_KSPROPSETID_GM
#define STATIC_KSPROPSETID_GM \
0xAF627536, 0xE719, 0x11D2, { 0x8A, 0x1D, 0x00, 0x60, 0x97, 0xD2, 0xDF, 0x5D }
#endif
#ifndef STATIC_KSPROPSETID_Jack
#define STATIC_KSPROPSETID_Jack \
0x4509F757, 0x2D46, 0x4637, { 0x8E, 0x62, 0xCE, 0x7D, 0xB9, 0x44, 0xF5, 0x7B }
#endif
#ifndef STATIC_PROPSETID_VIDCAP_SELECTOR
#define STATIC_PROPSETID_VIDCAP_SELECTOR \
0x1ABDAECA, 0x68B6, 0x4F83, { 0x93, 0x71, 0xB4, 0x13, 0x90, 0x7C, 0x7B, 0x9F }
#endif
#ifndef STATIC_PROPSETID_EXT_DEVICE
#define STATIC_PROPSETID_EXT_DEVICE \
0xB5730A90, 0x1A2C, 0x11cf, { 0x8c, 0x23, 0x00, 0xAA, 0x00, 0x6B, 0x68, 0x14 }
#endif
#ifndef STATIC_PROPSETID_EXT_TRANSPORT
#define STATIC_PROPSETID_EXT_TRANSPORT \
0xA03CD5F0, 0x3045, 0x11cf, { 0x8c, 0x44, 0x00, 0xAA, 0x00, 0x6B, 0x68, 0x14 }
#endif
#ifndef STATIC_PROPSETID_TIMECODE_READER
#define STATIC_PROPSETID_TIMECODE_READER \
0x9B496CE1, 0x811B, 0x11cf, { 0x8C, 0x77, 0x00, 0xAA, 0x00, 0x6B, 0x68, 0x14 }
#endif
static const KsPropertySetMapping known_property_sets[] = {
{{STATIC_KSPROPSETID_General}, "General"},
{{STATIC_KSPROPSETID_MediaSeeking}, "MediaSeeking"},
{{STATIC_KSPROPSETID_Topology}, "Topology"},
{{STATIC_KSPROPSETID_GM}, "GM"},
{{STATIC_KSPROPSETID_Pin}, "Pin"},
{{STATIC_KSPROPSETID_Quality}, "Quality"},
{{STATIC_KSPROPSETID_Connection}, "Connection"},
{{STATIC_KSPROPSETID_MemoryTransport}, "MemoryTransport"},
{{STATIC_KSPROPSETID_StreamAllocator}, "StreamAllocator"},
{{STATIC_KSPROPSETID_StreamInterface}, "StreamInterface"},
{{STATIC_KSPROPSETID_Stream}, "Stream"},
{{STATIC_KSPROPSETID_Clock}, "Clock"},
{{STATIC_KSPROPSETID_DirectSound3DListener}, "DirectSound3DListener"},
{{STATIC_KSPROPSETID_DirectSound3DBuffer}, "DirectSound3DBuffer"},
{{STATIC_KSPROPSETID_Hrtf3d}, "Hrtf3d"},
{{STATIC_KSPROPSETID_Itd3d}, "Itd3d"},
{{STATIC_KSPROPSETID_Bibliographic}, "Bibliographic"},
{{STATIC_KSPROPSETID_TopologyNode}, "TopologyNode"},
{{STATIC_KSPROPSETID_RtAudio}, "RtAudio"},
{{STATIC_KSPROPSETID_DrmAudioStream}, "DrmAudioStream"},
{{STATIC_KSPROPSETID_Audio}, "Audio"},
{{STATIC_KSPROPSETID_Acoustic_Echo_Cancel}, "Acoustic_Echo_Cancel"},
{{STATIC_KSPROPSETID_Wave_Queued}, "Wave_Queued"},
{{STATIC_KSPROPSETID_Wave}, "Wave"},
{{STATIC_KSPROPSETID_WaveTable}, "WaveTable"},
{{STATIC_KSPROPSETID_Cyclic}, "Cyclic"},
{{STATIC_KSPROPSETID_Sysaudio}, "Sysaudio"},
{{STATIC_KSPROPSETID_Sysaudio_Pin}, "Sysaudio_Pin"},
{{STATIC_KSPROPSETID_AudioGfx}, "AudioGfx"},
{{STATIC_KSPROPSETID_Linear}, "Linear"},
{{STATIC_KSPROPSETID_Mpeg2Vid}, "Mpeg2Vid"},
{{STATIC_KSPROPSETID_AC3}, "AC3"},
{{STATIC_KSPROPSETID_AudioDecoderOut}, "AudioDecoderOut"},
{{STATIC_KSPROPSETID_DvdSubPic}, "DvdSubPic"},
{{STATIC_KSPROPSETID_CopyProt}, "CopyProt"},
{{STATIC_KSPROPSETID_VBICAP_PROPERTIES}, "VBICAP_PROPERTIES"},
{{STATIC_KSPROPSETID_VBICodecFiltering}, "VBICodecFiltering"},
{{STATIC_KSPROPSETID_VramCapture}, "VramCapture"},
{{STATIC_KSPROPSETID_OverlayUpdate}, "OverlayUpdate"},
{{STATIC_KSPROPSETID_VPConfig}, "VPConfig"},
{{STATIC_KSPROPSETID_VPVBIConfig}, "VPVBIConfig"},
{{STATIC_KSPROPSETID_TSRateChange}, "TSRateChange"},
{{STATIC_KSPROPSETID_Jack}, "Jack"},
{{STATIC_PROPSETID_ALLOCATOR_CONTROL}, "ALLOCATOR_CONTROL"},
{{STATIC_PROPSETID_VIDCAP_VIDEOPROCAMP}, "VIDCAP_VIDEOPROCAMP"},
{{STATIC_PROPSETID_VIDCAP_SELECTOR}, "VIDCAP_SELECTOR"},
{{STATIC_PROPSETID_TUNER}, "TUNER"},
{{STATIC_PROPSETID_VIDCAP_VIDEOENCODER}, "VIDCAP_VIDEOENCODER"},
{{STATIC_PROPSETID_VIDCAP_VIDEODECODER}, "VIDCAP_VIDEODECODER"},
{{STATIC_PROPSETID_VIDCAP_CAMERACONTROL}, "VIDCAP_CAMERACONTROL"},
{{STATIC_PROPSETID_EXT_DEVICE}, "EXT_DEVICE"},
{{STATIC_PROPSETID_EXT_TRANSPORT}, "EXT_TRANSPORT"},
{{STATIC_PROPSETID_TIMECODE_READER}, "TIMECODE_READER"},
{{STATIC_PROPSETID_VIDCAP_CROSSBAR}, "VIDCAP_CROSSBAR"},
{{STATIC_PROPSETID_VIDCAP_TVAUDIO}, "VIDCAP_TVAUDIO"},
{{STATIC_PROPSETID_VIDCAP_VIDEOCOMPRESSION}, "VIDCAP_VIDEOCOMPRESSION"},
{{STATIC_PROPSETID_VIDCAP_VIDEOCONTROL}, "VIDCAP_VIDEOCONTROL"},
{{STATIC_PROPSETID_VIDCAP_DROPPEDFRAMES}, "VIDCAP_DROPPEDFRAMES"},
};
gchar *
ks_property_set_to_string (const GUID * guid)
{
guint i;
for (i = 0;
i < sizeof (known_property_sets) / sizeof (known_property_sets[0]); i++) {
if (IsEqualGUID (guid, &known_property_sets[i].guid))
return g_strdup_printf ("KSPROPSETID_%s", known_property_sets[i].name);
}
return ks_guid_to_string (guid);
}