1 | /* |
2 | * Copyright (C) 2018 Igalia, S.L. |
3 | * Copyright (C) 2018 Metrological Group B.V. |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
8 | * 1. Redistributions of source code must retain the above copyright |
9 | * notice, this list of conditions and the following disclaimer. |
10 | * 2. Redistributions in binary form must reproduce the above copyright |
11 | * notice, this list of conditions and the following disclaimer in the |
12 | * documentation and/or other materials provided with the distribution. |
13 | * |
14 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
15 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
16 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
17 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
18 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
19 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
20 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
21 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
22 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
23 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
24 | * THE POSSIBILITY OF SUCH DAMAGE. |
25 | */ |
26 | |
27 | #include "config.h" |
28 | |
29 | #if USE(GSTREAMER) |
30 | |
31 | #include "GStreamerTest.h" |
32 | #include "Test.h" |
33 | #include <WebCore/GStreamerCommon.h> |
34 | #include <WebCore/SharedBuffer.h> |
35 | |
36 | using namespace WebCore; |
37 | |
38 | namespace TestWebKitAPI { |
39 | |
40 | TEST_F(GStreamerTest, mappedBufferBasics) |
41 | { |
42 | GRefPtr<GstBuffer> buf = adoptGRef(gst_buffer_new_allocate(nullptr, 64, nullptr)); |
43 | auto mappedBuf = GstMappedBuffer::create(buf.get(), GST_MAP_READ); |
44 | ASSERT_TRUE(mappedBuf); |
45 | EXPECT_EQ(mappedBuf->size(), 64); |
46 | |
47 | auto mappedBuf2 = GstMappedBuffer::create(buf.get(), GST_MAP_READ); |
48 | ASSERT_TRUE(mappedBuf2); |
49 | EXPECT_EQ(*mappedBuf, *mappedBuf2); |
50 | EXPECT_EQ(buf.get(), *mappedBuf); |
51 | EXPECT_EQ(*mappedBuf2, buf.get()); |
52 | } |
53 | |
54 | TEST_F(GStreamerTest, mappedBufferReadSanity) |
55 | { |
56 | gpointer memory = g_malloc(16); |
57 | memset(memory, 'x', 16); |
58 | GRefPtr<GstBuffer> buf = adoptGRef(gst_buffer_new_wrapped(memory, 16)); |
59 | auto mappedBuf = GstMappedBuffer::create(buf.get(), GST_MAP_READ); |
60 | ASSERT_TRUE(mappedBuf); |
61 | EXPECT_EQ(mappedBuf->size(), 16); |
62 | EXPECT_EQ(memcmp(memory, mappedBuf->data(), 16), 0); |
63 | EXPECT_EQ(memcmp(memory, mappedBuf->createSharedBuffer()->data(), 16), 0); |
64 | } |
65 | |
66 | TEST_F(GStreamerTest, mappedBufferWriteSanity) |
67 | { |
68 | gpointer memory = g_malloc(16); |
69 | memset(memory, 'x', 16); |
70 | GRefPtr<GstBuffer> buf = adoptGRef(gst_buffer_new_wrapped(memory, 16)); |
71 | |
72 | auto mappedBuf = GstMappedBuffer::create(buf.get(), GST_MAP_WRITE); |
73 | ASSERT_TRUE(mappedBuf); |
74 | EXPECT_EQ(mappedBuf->size(), 16); |
75 | memset(mappedBuf->data(), 'y', mappedBuf->size()); |
76 | |
77 | EXPECT_EQ(memcmp(memory, mappedBuf->data(), 16), 0); |
78 | } |
79 | |
80 | TEST_F(GStreamerTest, mappedBufferCachesSharedBuffers) |
81 | { |
82 | GRefPtr<GstBuffer> buf = adoptGRef(gst_buffer_new_allocate(nullptr, 64, nullptr)); |
83 | auto mappedBuf = GstMappedBuffer::create(buf.get(), GST_MAP_READ); |
84 | ASSERT_TRUE(mappedBuf); |
85 | auto sharedBuf = mappedBuf->createSharedBuffer(); |
86 | // We expect the same data pointer wrapped by shared buffer, no |
87 | // copies need to be made. |
88 | EXPECT_EQ(sharedBuf->data(), mappedBuf->createSharedBuffer()->data()); |
89 | } |
90 | |
91 | TEST_F(GStreamerTest, mappedBufferDoesNotAddExtraRefs) |
92 | { |
93 | // It is important not to ref the passed GStreamer buffers, if we |
94 | // do so, then in the case of writable buffers, they can become |
95 | // unwritable, even though we are the sole owners. We also don't |
96 | // want to take ownership of the buffer from the user-code, since |
97 | // for transformInPlace use-cases, that would break. |
98 | GRefPtr<GstBuffer> buf = adoptGRef(gst_buffer_new()); |
99 | |
100 | ASSERT_EQ(GST_OBJECT_REFCOUNT(buf.get()), 1); |
101 | |
102 | auto mappedBuf = GstMappedBuffer::create(buf.get(), GST_MAP_READWRITE); |
103 | ASSERT_TRUE(mappedBuf); |
104 | |
105 | ASSERT_EQ(GST_OBJECT_REFCOUNT(buf.get()), 1); |
106 | } |
107 | |
108 | } // namespace TestWebKitAPI |
109 | |
110 | #endif // USE(GSTREAMER) |
111 | |