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/* vt_common.c
Copyright (c) 2003-2018 HandBrake Team
This file is part of the HandBrake source code
Homepage: <http://handbrake.fr/>.
It may be used under the terms of the GNU General Public License v2.
For full terms see the file COPYING file or visit http://www.gnu.org/licenses/gpl-2.0.html
*/
#include "hb.h"
#include "vt_common.h"
#include <VideoToolbox/VideoToolbox.h>
#include <CoreMedia/CoreMedia.h>
#include <CoreVideo/CoreVideo.h>
//#define VT_STATS
#ifdef VT_STATS
static void toggle_vt_gva_stats(bool state)
{
CFPropertyListRef cf_state = state ? kCFBooleanTrue : kCFBooleanFalse;
CFPreferencesSetValue(CFSTR("gvaEncoderPerf"), cf_state, CFSTR("com.apple.GVAEncoder"), kCFPreferencesCurrentUser, kCFPreferencesCurrentHost);
CFPreferencesSetValue(CFSTR("gvaEncoderPSNR"), cf_state, CFSTR("com.apple.GVAEncoder"), kCFPreferencesCurrentUser, kCFPreferencesCurrentHost);
CFPreferencesSetValue(CFSTR("gvaEncoderSSIM"), cf_state, CFSTR("com.apple.GVAEncoder"), kCFPreferencesCurrentUser, kCFPreferencesCurrentHost);
//CFPreferencesSetValue(CFSTR("gvaEncoderStats"), cf_state, CFSTR("com.apple.GVAEncoder"), kCFPreferencesCurrentUser, kCFPreferencesCurrentHost);
//CFPreferencesSetValue(CFSTR("gvaDebug"), cf_state, CFSTR("com.apple.AppleGVA"), kCFPreferencesCurrentUser, kCFPreferencesCurrentHost);
}
#endif
static const CFStringRef encoder_id_h264 = CFSTR("com.apple.videotoolbox.videoencoder.h264.gva");
static const CFStringRef encoder_id_h265 = CFSTR("com.apple.videotoolbox.videoencoder.hevc.gva");
int encvt_available(CFStringRef encoder)
{
CFArrayRef encoder_list;
VTCopyVideoEncoderList(NULL, &encoder_list);
CFIndex size = CFArrayGetCount(encoder_list);
for (CFIndex i = 0; i < size; i++ )
{
CFDictionaryRef encoder_dict = CFArrayGetValueAtIndex(encoder_list, i);
CFStringRef encoder_id = CFDictionaryGetValue(encoder_dict, kVTVideoEncoderSpecification_EncoderID);
if (CFEqual(encoder_id, encoder))
{
CFRelease(encoder_list);
return 1;
}
}
CFRelease(encoder_list);
return 0;
}
int hb_vt_h264_is_available()
{
return encvt_available(encoder_id_h264);
}
int hb_vt_h265_is_available()
{
return encvt_available(encoder_id_h265);
}
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