1/*
2 * Copyright (C) 2018 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "RemoteVideoSample.h"
28
29#if ENABLE(MEDIA_STREAM) && PLATFORM(COCOA)
30
31#include "Logging.h"
32#include "MediaSample.h"
33
34#if HAVE(IOSURFACE)
35#include "GraphicsContextCG.h"
36#endif
37
38#include <pal/cf/CoreMediaSoftLink.h>
39#include "CoreVideoSoftLink.h"
40
41namespace WebCore {
42using namespace PAL;
43
44#if HAVE(IOSURFACE)
45std::unique_ptr<RemoteVideoSample> RemoteVideoSample::create(MediaSample&& sample)
46{
47 ASSERT(sample.platformSample().type == PlatformSample::CMSampleBufferType);
48
49 auto imageBuffer = CMSampleBufferGetImageBuffer(sample.platformSample().sample.cmSampleBuffer);
50 if (!imageBuffer) {
51 RELEASE_LOG_ERROR(Media, "RemoteVideoSample::create: CMSampleBufferGetImageBuffer returned nullptr");
52 return nullptr;
53 }
54
55 auto surface = CVPixelBufferGetIOSurface(imageBuffer);
56 if (!surface) {
57 RELEASE_LOG_ERROR(Media, "RemoteVideoSample::create: CVPixelBufferGetIOSurface returned nullptr");
58 return nullptr;
59 }
60
61 return std::unique_ptr<RemoteVideoSample>(new RemoteVideoSample(surface, sRGBColorSpaceRef(), sample.presentationTime(), sample.videoRotation(), sample.videoMirrored()));
62}
63
64RemoteVideoSample::RemoteVideoSample(IOSurfaceRef surface, CGColorSpaceRef colorSpace, MediaTime&& time, MediaSample::VideoRotation rotation, bool mirrored)
65 : m_ioSurface(WebCore::IOSurface::createFromSurface(surface, colorSpace))
66 , m_rotation(rotation)
67 , m_time(WTFMove(time))
68 , m_videoFormat(IOSurfaceGetPixelFormat(surface))
69 , m_size(IntSize(IOSurfaceGetWidth(surface), IOSurfaceGetHeight(surface)))
70 , m_mirrored(mirrored)
71{
72}
73
74IOSurfaceRef RemoteVideoSample::surface()
75{
76 if (!m_ioSurface && m_sendRight)
77 m_ioSurface = WebCore::IOSurface::createFromSendRight(WTFMove(m_sendRight), sRGBColorSpaceRef());
78
79 return m_ioSurface ? m_ioSurface->surface() : nullptr;
80}
81#endif
82
83}
84
85#endif // ENABLE(MEDIA_STREAM)
86