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137 lines
4.3 KiB
C
137 lines
4.3 KiB
C
/*
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* Copyright (C) 2010 Ole André Vadla Ravnås <oravnas@cisco.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "cmapi.h"
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#include "dynapi-internal.h"
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#include <gmodule.h>
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#define CM_FRAMEWORK_PATH "/System/Library/Frameworks/" \
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"CoreMedia.framework/CoreMedia"
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#define CM_FRAMEWORK_PATH_OLD "/System/Library/PrivateFrameworks/" \
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"CoreMedia.framework/CoreMedia"
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G_DEFINE_TYPE (GstCMApi, gst_cm_api, GST_TYPE_DYN_API);
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static void
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gst_cm_api_init (GstCMApi * self)
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{
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}
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static void
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gst_cm_api_class_init (GstCMApiClass * klass)
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{
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}
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#define SYM_SPEC(name) GST_DYN_SYM_SPEC (GstCMApi, name)
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GstCMApi *
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gst_cm_api_obtain (GError ** error)
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{
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static const GstDynSymSpec symbols[] = {
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SYM_SPEC (FigBaseObjectGetVTable),
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SYM_SPEC (CMGetAttachment),
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SYM_SPEC (FigFormatDescriptionRelease),
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SYM_SPEC (FigFormatDescriptionRetain),
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SYM_SPEC (CMFormatDescriptionEqual),
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SYM_SPEC (CMFormatDescriptionGetExtension),
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SYM_SPEC (CMFormatDescriptionGetMediaType),
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SYM_SPEC (CMFormatDescriptionGetMediaSubType),
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SYM_SPEC (CMVideoFormatDescriptionCreate),
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SYM_SPEC
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(FigVideoFormatDescriptionCreateWithSampleDescriptionExtensionAtom),
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SYM_SPEC (CMVideoFormatDescriptionGetDimensions),
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SYM_SPEC (CMTimeMake),
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SYM_SPEC (CMSampleBufferCreate),
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SYM_SPEC (CMSampleBufferDataIsReady),
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SYM_SPEC (CMSampleBufferGetDataBuffer),
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SYM_SPEC (CMSampleBufferGetFormatDescription),
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SYM_SPEC (CMSampleBufferGetImageBuffer),
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SYM_SPEC (CMSampleBufferGetNumSamples),
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SYM_SPEC (CMSampleBufferGetSampleAttachmentsArray),
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SYM_SPEC (CMSampleBufferGetSampleSize),
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SYM_SPEC (FigSampleBufferRelease),
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SYM_SPEC (FigSampleBufferRetain),
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SYM_SPEC (CMBlockBufferCreateWithMemoryBlock),
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SYM_SPEC (CMBlockBufferGetDataLength),
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SYM_SPEC (CMBlockBufferGetDataPointer),
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SYM_SPEC (FigBlockBufferRelease),
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SYM_SPEC (FigBlockBufferRetain),
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SYM_SPEC (CMBufferQueueDequeueAndRetain),
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SYM_SPEC (CMBufferQueueGetBufferCount),
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SYM_SPEC (CMBufferQueueInstallTrigger),
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SYM_SPEC (CMBufferQueueIsEmpty),
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SYM_SPEC (FigBufferQueueRelease),
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SYM_SPEC (CMBufferQueueRemoveTrigger),
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SYM_SPEC (CMBufferQueueSetValidationCallback),
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SYM_SPEC (kCMFormatDescriptionExtension_SampleDescriptionExtensionAtoms),
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SYM_SPEC (kCMSampleAttachmentKey_DependsOnOthers),
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SYM_SPEC (kCMTimeInvalid),
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{NULL, 0},
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};
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GstCMApi *result;
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GModule *module;
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/* We cannot stat() the library as it may not be present on the filesystem.
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* This is the case on newer versions of iOS where system libraries are all
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* part of dyld_shared_cache... */
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module = g_module_open (CM_FRAMEWORK_PATH, 0);
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if (module != NULL) {
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result = _gst_dyn_api_new (gst_cm_api_get_type (), CM_FRAMEWORK_PATH,
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symbols, error);
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g_module_close (module);
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} else {
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GstDynSymSpec *old_symbols;
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guint i;
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old_symbols = g_memdup (symbols, sizeof (symbols));
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for (i = 0; old_symbols[i].name != NULL; i++) {
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const gchar *name = old_symbols[i].name;
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const gchar *translated_name;
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if (g_str_has_prefix (name, "CM"))
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translated_name = g_strconcat ("Fig", name + 2, NULL);
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else if (g_str_has_prefix (name, "kCM"))
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translated_name = g_strconcat ("kFig", name + 3, NULL);
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else
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translated_name = g_strdup (name);
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old_symbols[i].name = translated_name;
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}
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result = _gst_dyn_api_new (gst_cm_api_get_type (), CM_FRAMEWORK_PATH_OLD,
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old_symbols, error);
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for (i = 0; old_symbols[i].name != NULL; i++)
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g_free ((gpointer) old_symbols[i].name);
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g_free (old_symbols);
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}
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return result;
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}
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