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/*
* Copyright (C) 2010 Ole André Vadla Ravnås <oravnas@cisco.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 "mioapi.h"
#include "dynapi-internal.h"
#define MIO_FRAMEWORK_PATH "/System/Library/PrivateFrameworks/" \
"CoreMediaIOServices.framework/CoreMediaIOServices"
G_DEFINE_TYPE (GstMIOApi, gst_mio_api, GST_TYPE_DYN_API);
static void
gst_mio_api_init (GstMIOApi * self)
{
}
static void
gst_mio_api_class_init (GstMIOApiClass * klass)
{
}
#define SYM_SPEC(name) GST_DYN_SYM_SPEC (GstMIOApi, name)
GstMIOApi *
gst_mio_api_obtain (GError ** error)
{
static const GstDynSymSpec symbols[] = {
SYM_SPEC (TundraGraphCreate),
SYM_SPEC (TundraGraphRelease),
SYM_SPEC (TundraGraphCreateNode),
SYM_SPEC (TundraGraphGetNodeInfo),
SYM_SPEC (TundraGraphSetProperty),
SYM_SPEC (TundraGraphConnectNodeInput),
SYM_SPEC (TundraGraphInitialize),
SYM_SPEC (TundraGraphUninitialize),
SYM_SPEC (TundraGraphStart),
SYM_SPEC (TundraGraphStop),
SYM_SPEC (TundraObjectGetPropertyDataSize),
SYM_SPEC (TundraObjectGetPropertyData),
SYM_SPEC (TundraObjectIsPropertySettable),
SYM_SPEC (TundraObjectSetPropertyData),
SYM_SPEC (kTundraSampleBufferAttachmentKey_SequenceNumber),
SYM_SPEC (kTundraSampleBufferAttachmentKey_HostTime),
{NULL, 0},
};
return _gst_dyn_api_new (gst_mio_api_get_type (), MIO_FRAMEWORK_PATH, symbols,
error);
}
gpointer
gst_mio_object_get_pointer (gint obj, TundraTargetSpec * pspec, GstMIOApi * mio)
{
gpointer ptr;
guint sz;
TundraStatus status;
sz = sizeof (ptr);
status = mio->TundraObjectGetPropertyData (obj, pspec, 0, NULL, &sz, &ptr);
if (status != kTundraSuccess)
goto error;
return ptr;
error:
return NULL;
}
gchar *
gst_mio_object_get_string (gint obj, TundraTargetSpec * pspec, GstMIOApi * mio)
{
gchar *result = NULL;
CFStringRef str;
guint size;
TundraStatus status;
CFRange range;
size = sizeof (str);
status = mio->TundraObjectGetPropertyData (obj, pspec, 0, NULL, &size, &str);
if (status != kTundraSuccess)
goto error;
range.location = 0;
range.length = CFStringGetLength (str);
result = g_malloc0 (range.length + 1);
CFStringGetBytes (str, range, kCFStringEncodingUTF8, 0, FALSE,
(UInt8 *) result, range.length, NULL);
CFRelease (str);
return result;
error:
return NULL;
}
guint32
gst_mio_object_get_uint32 (gint obj, TundraTargetSpec * pspec, GstMIOApi * mio)
{
guint32 val;
guint size;
TundraStatus status;
size = sizeof (val);
status = mio->TundraObjectGetPropertyData (obj, pspec, 0, NULL, &size, &val);
if (status != kTundraSuccess)
goto error;
return val;
error:
return 0;
}
GArray *
gst_mio_object_get_array (gint obj, TundraTargetSpec * pspec,
guint element_size, GstMIOApi * mio)
{
return gst_mio_object_get_array_full (obj, pspec, 0, NULL, element_size, mio);
}
GArray *
gst_mio_object_get_array_full (gint obj, TundraTargetSpec * pspec,
guint ctx_size, gpointer ctx, guint element_size, GstMIOApi * mio)
{
GArray *arr = NULL;
guint size, num_elements;
TundraStatus status;
status = mio->TundraObjectGetPropertyDataSize (obj, pspec, ctx_size, ctx,
&size);
if (status != kTundraSuccess)
goto error;
else if (size % element_size != 0)
goto error;
num_elements = size / element_size;
arr = g_array_sized_new (FALSE, TRUE, element_size, num_elements);
g_array_set_size (arr, num_elements);
status = mio->TundraObjectGetPropertyData (obj, pspec, ctx_size, ctx,
&size, arr->data);
if (status != kTundraSuccess)
goto error;
return arr;
error:
if (arr != NULL)
g_array_free (arr, TRUE);
return NULL;
}
gchar *
gst_mio_object_get_fourcc (gint obj, TundraTargetSpec * pspec, GstMIOApi * mio)
{
guint32 fcc;
guint size;
TundraStatus status;
size = sizeof (fcc);
status = mio->TundraObjectGetPropertyData (obj, pspec, 0, NULL, &size, &fcc);
if (status != kTundraSuccess)
goto error;
return gst_mio_fourcc_to_string (fcc);
error:
return NULL;
}
gpointer
gst_mio_object_get_raw (gint obj, TundraTargetSpec * pspec, guint * size,
GstMIOApi * mio)
{
gpointer data = NULL;
guint sz;
TundraStatus status;
status = mio->TundraObjectGetPropertyDataSize (obj, pspec, 0, NULL, &sz);
if (status != kTundraSuccess)
goto error;
data = g_malloc0 (sz);
status = mio->TundraObjectGetPropertyData (obj, pspec, 0, NULL, &sz, data);
if (status != kTundraSuccess)
goto error;
if (size != NULL)
*size = sz;
return data;
error:
g_free (data);
if (size != NULL)
*size = 0;
return NULL;
}
gchar *
gst_mio_fourcc_to_string (guint32 fcc)
{
gchar *result;
result = g_malloc0 (5);
result[0] = (fcc >> 24) & 0xff;
result[1] = (fcc >> 16) & 0xff;
result[2] = (fcc >> 8) & 0xff;
result[3] = (fcc >> 0) & 0xff;
return result;
}
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