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