1 /*
2 * Copyright (C) 2022 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "../includes/common.h"
18 #include <datasource/DataSourceFactory.h>
19 #include <dlfcn.h>
20 #include <gui/SurfaceComposerClient.h>
21 #include <media/IMediaHTTPService.h>
22 #include <media/stagefright/InterfaceUtils.h>
23 #include <media/stagefright/MediaCodecList.h>
24 #include <media/stagefright/MediaExtractorFactory.h>
25 #include <media/stagefright/SimpleDecodingSource.h>
26 #include <sys/mman.h>
27
28 typedef void *(*mmap_t)(void *, size_t, int, int, int, off_t);
29 mmap_t real_mmap = nullptr;
30
31 using namespace android;
32
33 bool testInProgress = false;
34 constexpr size_t kTargetBufferSize = 32768;
35 struct sigaction new_action, old_action;
sigsegv_handler(int signum,siginfo_t * info,void * context)36 void sigsegv_handler(int signum, siginfo_t *info, void *context) {
37 if (testInProgress && info->si_signo == SIGSEGV) {
38 (*old_action.sa_sigaction)(signum, info, context);
39 return;
40 }
41 exit(EXIT_FAILURE);
42 }
43
mmap(void * addr,size_t length,int prot,int flags,int fd,off_t offset)44 void *mmap(void *addr, size_t length, int prot, int flags, int fd,
45 off_t offset) {
46 const size_t page_size = getpagesize();
47 real_mmap = (mmap_t)dlsym(RTLD_NEXT, "mmap");
48 if (!real_mmap) {
49 exit(EXIT_FAILURE);
50 }
51 if (length == kTargetBufferSize) {
52 char *tmp_ptr = (char *)real_mmap(addr, length + page_size, prot,
53 flags | MAP_ANONYMOUS, -1, offset);
54 mprotect(tmp_ptr + length, page_size, PROT_NONE);
55 return tmp_ptr;
56 }
57 return real_mmap(addr, length, prot, flags, fd, offset);
58 }
59
main(int argc,char ** argv)60 int main(int argc, char **argv) {
61 FAIL_CHECK(argc > 1);
62 sigemptyset(&new_action.sa_mask);
63 new_action.sa_flags = SA_SIGINFO;
64 new_action.sa_sigaction = sigsegv_handler;
65 sigaction(SIGSEGV, &new_action, &old_action);
66
67 sp<DataSource> dataSource = DataSourceFactory::getInstance()->CreateFromURI(
68 nullptr /* httpService */, argv[1]);
69 FAIL_CHECK(dataSource);
70
71 sp<IMediaExtractor> extractor = MediaExtractorFactory::Create(dataSource);
72 FAIL_CHECK(extractor);
73
74 sp<MediaSource> mediaSource =
75 CreateMediaSourceFromIMediaSource(extractor->getTrack(0));
76 FAIL_CHECK(mediaSource);
77
78 sp<MediaSource> rawSource = SimpleDecodingSource::Create(
79 mediaSource, MediaCodecList::kPreferSoftwareCodecs, nullptr, nullptr,
80 false);
81 FAIL_CHECK(rawSource);
82
83 status_t err = rawSource->start();
84 FAIL_CHECK(err == OK);
85
86 MediaSource::ReadOptions options = {};
87 MediaBufferBase *buffer = nullptr;
88
89 testInProgress = true;
90 rawSource->read(&buffer, &options);
91 testInProgress = false;
92 if (buffer) {
93 buffer->release();
94 buffer = nullptr;
95 }
96 options.clearSeekTo();
97 options.setSeekTo(0);
98 rawSource->stop();
99 return EXIT_SUCCESS;
100 }
101