1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "media/base/buffers.h"
6 #include "media/base/decoder_buffer.h"
7 #include "media/base/decoder_buffer_queue.h"
8 #include "testing/gtest/include/gtest/gtest.h"
12 static base::TimeDelta ToTimeDelta(int seconds) {
14 return kNoTimestamp();
15 return base::TimeDelta::FromSeconds(seconds);
18 // Helper to create buffers with specified timestamp in seconds.
20 // Negative numbers will be converted to kNoTimestamp();
21 static scoped_refptr<DecoderBuffer> CreateBuffer(int timestamp) {
22 scoped_refptr<DecoderBuffer> buffer = new DecoderBuffer(0);
23 buffer->set_timestamp(ToTimeDelta(timestamp));
24 buffer->set_duration(ToTimeDelta(0));
28 TEST(DecoderBufferQueueTest, IsEmpty) {
29 DecoderBufferQueue queue;
30 EXPECT_TRUE(queue.IsEmpty());
32 queue.Push(CreateBuffer(0));
33 EXPECT_FALSE(queue.IsEmpty());
36 TEST(DecoderBufferQueueTest, Clear) {
37 DecoderBufferQueue queue;
38 queue.Push(CreateBuffer(0));
39 queue.Push(CreateBuffer(1));
40 EXPECT_FALSE(queue.IsEmpty());
41 EXPECT_EQ(1, queue.Duration().InSeconds());
44 EXPECT_TRUE(queue.IsEmpty());
45 EXPECT_EQ(0, queue.Duration().InSeconds());
48 TEST(DecoderBufferQueueTest, Duration) {
49 DecoderBufferQueue queue;
50 EXPECT_EQ(0, queue.Duration().InSeconds());
52 queue.Push(CreateBuffer(0));
53 EXPECT_EQ(0, queue.Duration().InSeconds());
55 queue.Push(CreateBuffer(1));
56 EXPECT_EQ(1, queue.Duration().InSeconds());
58 queue.Push(CreateBuffer(2));
59 EXPECT_EQ(2, queue.Duration().InSeconds());
61 queue.Push(CreateBuffer(4));
62 EXPECT_EQ(4, queue.Duration().InSeconds());
65 EXPECT_EQ(3, queue.Duration().InSeconds());
68 EXPECT_EQ(2, queue.Duration().InSeconds());
71 EXPECT_EQ(0, queue.Duration().InSeconds());
74 EXPECT_EQ(0, queue.Duration().InSeconds());
77 TEST(DecoderBufferQueueTest, Duration_OutOfOrder) {
78 DecoderBufferQueue queue;
79 queue.Push(CreateBuffer(10));
80 queue.Push(CreateBuffer(12));
81 EXPECT_EQ(2, queue.Duration().InSeconds());
83 // Out of order: duration shouldn't change.
84 queue.Push(CreateBuffer(8));
85 EXPECT_EQ(2, queue.Duration().InSeconds());
87 // Removing first buffer should leave the second buffer as the only buffer
88 // included in the duration calculation.
90 EXPECT_EQ(0, queue.Duration().InSeconds());
92 // Removing second buffer leaves the out-of-order buffer. It shouldn't be
93 // included in duration calculations.
95 EXPECT_EQ(0, queue.Duration().InSeconds());
97 // Push a still-too-early buffer. It shouldn't be included in duration
99 queue.Push(CreateBuffer(11));
100 EXPECT_EQ(0, queue.Duration().InSeconds());
102 // Push a buffer that's after the earliest valid time. It's a singular valid
103 // buffer so duration is still zero.
104 queue.Push(CreateBuffer(14));
105 EXPECT_EQ(0, queue.Duration().InSeconds());
107 // Push a second valid buffer. We should now have a duration.
108 queue.Push(CreateBuffer(17));
109 EXPECT_EQ(3, queue.Duration().InSeconds());
112 TEST(DecoderBufferQueueTest, Duration_NoTimestamp) {
113 // Buffers with no timestamp don't affect duration.
114 DecoderBufferQueue queue;
115 queue.Push(CreateBuffer(0));
116 queue.Push(CreateBuffer(4));
117 EXPECT_EQ(4, queue.Duration().InSeconds());
119 queue.Push(CreateBuffer(-1));
120 EXPECT_EQ(4, queue.Duration().InSeconds());
122 queue.Push(CreateBuffer(6));
123 EXPECT_EQ(6, queue.Duration().InSeconds());
126 EXPECT_EQ(2, queue.Duration().InSeconds());
129 EXPECT_EQ(0, queue.Duration().InSeconds());
132 EXPECT_EQ(0, queue.Duration().InSeconds());
135 EXPECT_EQ(0, queue.Duration().InSeconds());