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1 // Copyright (c) 2013 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. | |
4 | |
5 #include "media/base/android/media_codec_bridge.h" | |
6 | |
7 #include <algorithm> | |
8 #include <limits> | |
9 | |
10 #include "base/logging.h" | |
11 #include "base/strings/string_util.h" | |
12 #include "media/base/subsample_entry.h" | |
13 | |
14 namespace media { | |
15 | |
16 MediaCodecBridge::MediaCodecBridge() {} | |
17 | |
18 MediaCodecBridge::~MediaCodecBridge() {} | |
19 | |
20 MediaCodecStatus MediaCodecBridge::QueueSecureInputBuffer( | |
21 int index, | |
22 const uint8_t* data, | |
23 size_t data_size, | |
24 const std::string& key_id, | |
25 const std::string& iv, | |
26 const std::vector<SubsampleEntry>& subsamples, | |
27 const EncryptionScheme& encryption_scheme, | |
28 base::TimeDelta presentation_time) { | |
29 const std::vector<char> key_vec(key_id.begin(), key_id.end()); | |
30 const std::vector<char> iv_vec(iv.begin(), iv.end()); | |
31 return QueueSecureInputBuffer(index, data, data_size, key_vec, iv_vec, | |
32 subsamples.empty() ? nullptr : &subsamples[0], | |
33 (int)subsamples.size(), encryption_scheme, | |
34 presentation_time); | |
35 } | |
36 | |
37 MediaCodecStatus MediaCodecBridge::CopyFromOutputBuffer(int index, | |
38 size_t offset, | |
39 void* dst, | |
40 size_t num) { | |
41 const uint8_t* src_data = nullptr; | |
42 size_t src_capacity = 0; | |
43 MediaCodecStatus status = | |
44 GetOutputBufferAddress(index, offset, &src_data, &src_capacity); | |
45 if (status == MEDIA_CODEC_OK) { | |
46 CHECK_GE(src_capacity, num); | |
47 memcpy(dst, src_data, num); | |
48 } | |
49 return status; | |
50 } | |
51 | |
52 bool MediaCodecBridge::FillInputBuffer(int index, | |
53 const uint8_t* data, | |
54 size_t size) { | |
55 uint8_t* dst = nullptr; | |
56 size_t capacity = 0; | |
57 if (GetInputBuffer(index, &dst, &capacity) != MEDIA_CODEC_OK) { | |
58 LOG(ERROR) << "GetInputBuffer failed"; | |
59 return false; | |
60 } | |
61 CHECK(dst); | |
62 | |
63 if (size > capacity) { | |
64 LOG(ERROR) << "Input buffer size " << size | |
65 << " exceeds MediaCodec input buffer capacity: " << capacity; | |
66 return false; | |
67 } | |
68 | |
69 memcpy(dst, data, size); | |
70 return true; | |
71 } | |
72 | |
73 } // namespace media | |
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