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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// Stub header for VideoToolbox framework API.
// We include our own copy so we can build on MacOS versions
// where it's not available.
#ifndef mozilla_VideoToolbox_VideoToolbox_h
#define mozilla_VideoToolbox_VideoToolbox_h
// CoreMedia is available starting in OS X 10.7,
// so we need to dlopen it as well to run on 10.6,
// but we can depend on the real framework headers at build time.
#include <CoreFoundation/CoreFoundation.h>
#include <CoreMedia/CoreMedia.h>
#include <CoreVideo/CVPixelBuffer.h>
typedef uint32_t VTDecodeFrameFlags;
typedef uint32_t VTDecodeInfoFlags;
enum {
kVTDecodeInfo_Asynchronous = 1UL << 0,
kVTDecodeInfo_FrameDropped = 1UL << 1,
};
enum {
kVTDecodeFrame_EnableAsynchronousDecompression = 1<<0,
kVTDecodeFrame_DoNotOutputFrame = 1<<1,
kVTDecodeFrame_1xRealTimePlayback = 1<<2,
kVTDecodeFrame_EnableTemporalProcessing = 1<<3,
};
typedef CFTypeRef VTSessionRef;
typedef struct OpaqueVTDecompressionSession* VTDecompressionSessionRef;
typedef void (*VTDecompressionOutputCallback)(
void*,
void*,
OSStatus,
VTDecodeInfoFlags,
CVImageBufferRef,
CMTime,
CMTime
);
typedef struct VTDecompressionOutputCallbackRecord {
VTDecompressionOutputCallback decompressionOutputCallback;
void* decompressionOutputRefCon;
} VTDecompressionOutputCallbackRecord;
OSStatus
VTDecompressionSessionCreate(
CFAllocatorRef,
CMVideoFormatDescriptionRef,
CFDictionaryRef,
CFDictionaryRef,
const VTDecompressionOutputCallbackRecord*,
VTDecompressionSessionRef*
);
OSStatus
VTDecompressionSessionDecodeFrame(
VTDecompressionSessionRef,
CMSampleBufferRef,
VTDecodeFrameFlags,
void*,
VTDecodeInfoFlags*
);
OSStatus
VTDecompressionSessionWaitForAsynchronousFrames(
VTDecompressionSessionRef
);
void
VTDecompressionSessionInvalidate(
VTDecompressionSessionRef
);
OSStatus
VTSessionCopyProperty(
VTSessionRef,
CFStringRef,
CFAllocatorRef,
void*
);
OSStatus
VTSessionCopySupportedPropertyDictionary(
VTSessionRef,
CFDictionaryRef*
);
#endif // mozilla_VideoToolbox_VideoToolbox_h
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