gstreamer/sys/winks/kshelpers.c
2012-04-17 15:22:59 +02:00

491 lines
14 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "kshelpers.h"
#include <ksmedia.h>
#include <setupapi.h>
GST_DEBUG_CATEGORY_EXTERN (gst_ks_debug);
#define GST_CAT_DEFAULT gst_ks_debug
gboolean
ks_is_valid_handle (HANDLE h)
{
return (h != INVALID_HANDLE_VALUE && h != NULL);
}
GList *
ks_enumerate_devices (const GUID * category)
{
GList *result = NULL;
HDEVINFO devinfo;
gint i;
devinfo = SetupDiGetClassDevsW (category, 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_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, category, i,
&if_data);
if (!success) /* all devices enumerated? */
break;
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 = { 0, };
DWORD bytes_returned = 0;
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 = { 0, };
DWORD items_size = 0, bytes_written = 0;
gulong err;
gboolean ret;
*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 = { 0, };
DWORD req_value_size = 0, bytes_written = 0;
gulong err;
gboolean ret;
*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 = { 0, };
DWORD bytes_returned;
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, 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}",
guid->Data1, guid->Data, guid->Data3, guid->Data4[0], guid->Data4[1],
guid->Data4[2], guid->Data4[3], guid->Data4[4], guid->Data4[5],
guid->Data4[6], 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", 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);
}