1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/base/mock_ffmpeg.h"
#include "base/logging.h"
#include "media/ffmpeg/ffmpeg_common.h"
using ::testing::_;
using ::testing::AtMost;
using ::testing::DoAll;
using ::testing::Return;
using ::testing::SaveArg;
namespace media {
MockFFmpeg* MockFFmpeg::instance_ = NULL;
URLProtocol* MockFFmpeg::protocol_ = NULL;
MockFFmpeg::MockFFmpeg()
: outstanding_packets_(0) {
CHECK(instance_ == NULL) << "Only a single MockFFmpeg instance can exist";
instance_ = this;
// If we haven't assigned our static copy of URLProtocol, set up expectations
// to catch the URLProtocol registered when the singleton instance of
// FFmpegGlue is created.
//
// TODO(scherkus): this feels gross and I need to think of a way to better
// inject/mock singletons.
if (!protocol_) {
EXPECT_CALL(*this, AVLogSetLevel(AV_LOG_QUIET))
.Times(AtMost(1))
.WillOnce(Return());
EXPECT_CALL(*this, AVCodecInit())
.Times(AtMost(1))
.WillOnce(Return());
EXPECT_CALL(*this, AVRegisterProtocol2(_,_))
.Times(AtMost(1))
.WillOnce(DoAll(SaveArg<0>(&protocol_), Return(0)));
EXPECT_CALL(*this, AVRegisterAll())
.Times(AtMost(1))
.WillOnce(Return());
}
}
MockFFmpeg::~MockFFmpeg() {
CHECK(!outstanding_packets_)
<< "MockFFmpeg destroyed with outstanding packets";
CHECK(instance_);
instance_ = NULL;
}
void MockFFmpeg::inc_outstanding_packets() {
++outstanding_packets_;
}
void MockFFmpeg::dec_outstanding_packets() {
CHECK(outstanding_packets_ > 0);
--outstanding_packets_;
}
// static
MockFFmpeg* MockFFmpeg::get() {
return instance_;
}
// static
URLProtocol* MockFFmpeg::protocol() {
return protocol_;
}
// static
void MockFFmpeg::DestructPacket(AVPacket* packet) {
delete [] packet->data;
packet->data = NULL;
packet->size = 0;
}
// FFmpeg stubs that delegate to the FFmpegMock instance.
extern "C" {
void avcodec_init() {
MockFFmpeg::get()->AVCodecInit();
}
int av_register_protocol2(URLProtocol* protocol, int size) {
return MockFFmpeg::get()->AVRegisterProtocol2(protocol, size);
}
void av_register_all() {
MockFFmpeg::get()->AVRegisterAll();
}
int av_lockmgr_register(int (*cb)(void**, enum AVLockOp)) {
// Here |mock| may be NULL when this function is called from ~FFmpegGlue().
if (MockFFmpeg::get()) {
return MockFFmpeg::get()->AVRegisterLockManager(cb);
}
return 0;
}
AVCodec* avcodec_find_decoder(enum CodecID id) {
return MockFFmpeg::get()->AVCodecFindDecoder(id);
}
int avcodec_open(AVCodecContext* avctx, AVCodec* codec) {
return MockFFmpeg::get()->AVCodecOpen(avctx, codec);
}
int avcodec_close(AVCodecContext* avctx) {
return MockFFmpeg::get()->AVCodecClose(avctx);
}
int avcodec_thread_init(AVCodecContext* avctx, int threads) {
return MockFFmpeg::get()->AVCodecThreadInit(avctx, threads);
}
void avcodec_flush_buffers(AVCodecContext* avctx) {
return MockFFmpeg::get()->AVCodecFlushBuffers(avctx);
}
AVFrame* avcodec_alloc_frame() {
return MockFFmpeg::get()->AVCodecAllocFrame();
}
int avcodec_decode_video2(AVCodecContext* avctx, AVFrame* picture,
int* got_picture_ptr, AVPacket* avpkt) {
return MockFFmpeg::get()->
AVCodecDecodeVideo2(avctx, picture, got_picture_ptr, avpkt);
}
AVBitStreamFilterContext* av_bitstream_filter_init(const char* name) {
return MockFFmpeg::get()->AVBitstreamFilterInit(name);
}
int av_bitstream_filter_filter(AVBitStreamFilterContext* bsfc,
AVCodecContext* avctx,
const char* args,
uint8_t** poutbuf,
int* poutbuf_size,
const uint8_t* buf,
int buf_size,
int keyframe) {
return MockFFmpeg::get()->
AVBitstreamFilterFilter(bsfc, avctx, args, poutbuf, poutbuf_size, buf,
buf_size, keyframe);
}
void av_bitstream_filter_close(AVBitStreamFilterContext* bsf) {
return MockFFmpeg::get()->AVBitstreamFilterClose(bsf);
}
int av_open_input_file(AVFormatContext** format, const char* filename,
AVInputFormat* input_format, int buffer_size,
AVFormatParameters* parameters) {
return MockFFmpeg::get()->AVOpenInputFile(format, filename,
input_format, buffer_size,
parameters);
}
void av_close_input_file(AVFormatContext* format) {
MockFFmpeg::get()->AVCloseInputFile(format);
}
int av_find_stream_info(AVFormatContext* format) {
return MockFFmpeg::get()->AVFindStreamInfo(format);
}
int64 av_rescale_q(int64 a, AVRational bq, AVRational cq) {
// Because this is a math function there's little point in mocking it, so we
// implement a cheap version that's capable of overflowing.
int64 num = bq.num * cq.den;
int64 den = cq.num * bq.den;
return a * num / den;
}
int av_read_frame(AVFormatContext* format, AVPacket* packet) {
return MockFFmpeg::get()->AVReadFrame(format, packet);
}
int av_seek_frame(AVFormatContext *format, int stream_index, int64_t timestamp,
int flags) {
return MockFFmpeg::get()->AVSeekFrame(format, stream_index, timestamp,
flags);
}
void av_init_packet(AVPacket* pkt) {
return MockFFmpeg::get()->AVInitPacket(pkt);
}
int av_new_packet(AVPacket* packet, int size) {
return MockFFmpeg::get()->AVNewPacket(packet, size);
}
void av_free_packet(AVPacket* packet) {
MockFFmpeg::get()->AVFreePacket(packet);
}
void av_free(void* ptr) {
// Freeing NULL pointers are valid, but they aren't interesting from a mock
// perspective.
if (ptr) {
MockFFmpeg::get()->AVFree(ptr);
}
}
int av_dup_packet(AVPacket* packet) {
return MockFFmpeg::get()->AVDupPacket(packet);
}
void av_log_set_level(int level) {
MockFFmpeg::get()->AVLogSetLevel(level);
}
void av_destruct_packet(AVPacket *pkt) {
MockFFmpeg::get()->AVDestructPacket(pkt);
}
} // extern "C"
} // namespace media
|
