gstreamer/sys/applemedia/vtapi.c

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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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "vtapi.h"
#include "dynapi-internal.h"
#include <gmodule.h>
#define VT_FRAMEWORK_PATH "/System/Library/Frameworks/" \
"VideoToolbox.framework/VideoToolbox"
#define VT_FRAMEWORK_PATH_OLD "/System/Library/PrivateFrameworks/" \
"VideoToolbox.framework/VideoToolbox"
G_DEFINE_TYPE (GstVTApi, gst_vt_api, GST_TYPE_DYN_API);
static void
gst_vt_api_init (GstVTApi * self)
{
}
static void
gst_vt_api_class_init (GstVTApiClass * klass)
{
}
#define SYM_SPEC(name) GST_DYN_SYM_SPEC (GstVTApi, name)
GstVTApi *
gst_vt_api_obtain (GError ** error)
{
static const GstDynSymSpec symbols[] = {
SYM_SPEC (VTCompressionSessionCompleteFrames),
SYM_SPEC (VTCompressionSessionCopyProperty),
SYM_SPEC (VTCompressionSessionCopySupportedPropertyDictionary),
SYM_SPEC (VTCompressionSessionCreate),
SYM_SPEC (VTCompressionSessionEncodeFrame),
SYM_SPEC (VTCompressionSessionInvalidate),
SYM_SPEC (VTCompressionSessionSetProperty),
SYM_SPEC (VTDecompressionSessionCreate),
SYM_SPEC (VTDecompressionSessionDecodeFrame),
SYM_SPEC (VTDecompressionSessionInvalidate),
SYM_SPEC (VTDecompressionSessionWaitForAsynchronousFrames),
SYM_SPEC (kVTCompressionPropertyKey_AllowTemporalCompression),
SYM_SPEC (kVTCompressionPropertyKey_AverageDataRate),
SYM_SPEC (kVTCompressionPropertyKey_ExpectedFrameRate),
SYM_SPEC (kVTCompressionPropertyKey_ExpectedDuration),
SYM_SPEC (kVTCompressionPropertyKey_MaxKeyFrameInterval),
SYM_SPEC (kVTCompressionPropertyKey_MaxKeyFrameIntervalDuration),
SYM_SPEC (kVTCompressionPropertyKey_ProfileLevel),
SYM_SPEC (kVTCompressionPropertyKey_Usage),
SYM_SPEC (kVTEncodeFrameOptionKey_ForceKeyFrame),
SYM_SPEC (kVTProfileLevel_H264_Baseline_1_3),
SYM_SPEC (kVTProfileLevel_H264_Baseline_3_0),
SYM_SPEC (kVTProfileLevel_H264_Extended_5_0),
SYM_SPEC (kVTProfileLevel_H264_High_5_0),
SYM_SPEC (kVTProfileLevel_H264_Main_3_0),
SYM_SPEC (kVTProfileLevel_H264_Main_3_1),
SYM_SPEC (kVTProfileLevel_H264_Main_4_0),
SYM_SPEC (kVTProfileLevel_H264_Main_4_1),
SYM_SPEC (kVTProfileLevel_H264_Main_5_0),
{NULL, 0},
};
GstVTApi *result;
GModule *module;
module = g_module_open (VT_FRAMEWORK_PATH, 0);
if (module != NULL) {
result = _gst_dyn_api_new (gst_vt_api_get_type (), VT_FRAMEWORK_PATH,
symbols, error);
g_module_close (module);
} else {
result = _gst_dyn_api_new (gst_vt_api_get_type (), VT_FRAMEWORK_PATH_OLD,
symbols, error);
}
return result;
}