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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "media/base/decoder_buffer.h" | 5 #include "media/base/decoder_buffer.h" |
| 6 | 6 |
| 7 #include "base/logging.h" | 7 #include "base/logging.h" |
| 8 #include "media/base/buffers.h" | 8 #include "media/base/buffers.h" |
| 9 #include "media/base/decrypt_config.h" | 9 #include "media/base/decrypt_config.h" |
| 10 | 10 |
| 11 namespace media { | 11 namespace media { |
| 12 | 12 |
| 13 DecoderBuffer::DecoderBuffer(int size) | 13 DecoderBuffer::DecoderBuffer(int size) |
| 14 : size_(size), | 14 : size_(size), |
| 15 side_data_size_(0) { | 15 side_data_size_(0), |
| 16 is_keyframe_(false) { |
| 16 Initialize(); | 17 Initialize(); |
| 17 } | 18 } |
| 18 | 19 |
| 19 DecoderBuffer::DecoderBuffer(const uint8* data, int size, | 20 DecoderBuffer::DecoderBuffer(const uint8* data, int size, |
| 20 const uint8* side_data, int side_data_size) | 21 const uint8* side_data, int side_data_size, |
| 22 bool is_keyframe) |
| 21 : size_(size), | 23 : size_(size), |
| 22 side_data_size_(side_data_size) { | 24 side_data_size_(side_data_size), |
| 25 is_keyframe_(is_keyframe) { |
| 23 if (!data) { | 26 if (!data) { |
| 24 CHECK_EQ(size_, 0); | 27 CHECK_EQ(size_, 0); |
| 25 CHECK(!side_data); | 28 CHECK(!side_data); |
| 26 return; | 29 return; |
| 27 } | 30 } |
| 28 | 31 |
| 29 Initialize(); | 32 Initialize(); |
| 30 memcpy(data_.get(), data, size_); | 33 memcpy(data_.get(), data, size_); |
| 31 if (side_data) | 34 if (side_data) |
| 32 memcpy(side_data_.get(), side_data, side_data_size_); | 35 memcpy(side_data_.get(), side_data, side_data_size_); |
| 33 } | 36 } |
| 34 | 37 |
| 35 DecoderBuffer::~DecoderBuffer() {} | 38 DecoderBuffer::~DecoderBuffer() {} |
| 36 | 39 |
| 37 void DecoderBuffer::Initialize() { | 40 void DecoderBuffer::Initialize() { |
| 38 CHECK_GE(size_, 0); | 41 CHECK_GE(size_, 0); |
| 39 data_.reset(reinterpret_cast<uint8*>( | 42 data_.reset(reinterpret_cast<uint8*>( |
| 40 base::AlignedAlloc(size_ + kPaddingSize, kAlignmentSize))); | 43 base::AlignedAlloc(size_ + kPaddingSize, kAlignmentSize))); |
| 41 memset(data_.get() + size_, 0, kPaddingSize); | 44 memset(data_.get() + size_, 0, kPaddingSize); |
| 42 if (side_data_size_ > 0) { | 45 if (side_data_size_ > 0) { |
| 43 side_data_.reset(reinterpret_cast<uint8*>( | 46 side_data_.reset(reinterpret_cast<uint8*>( |
| 44 base::AlignedAlloc(side_data_size_ + kPaddingSize, kAlignmentSize))); | 47 base::AlignedAlloc(side_data_size_ + kPaddingSize, kAlignmentSize))); |
| 45 memset(side_data_.get() + side_data_size_, 0, kPaddingSize); | 48 memset(side_data_.get() + side_data_size_, 0, kPaddingSize); |
| 46 } | 49 } |
| 47 splice_timestamp_ = kNoTimestamp(); | 50 splice_timestamp_ = kNoTimestamp(); |
| 48 } | 51 } |
| 49 | 52 |
| 50 // static | 53 // static |
| 51 scoped_refptr<DecoderBuffer> DecoderBuffer::CopyFrom(const uint8* data, | 54 scoped_refptr<DecoderBuffer> DecoderBuffer::CopyFrom(const uint8* data, |
| 52 int data_size) { | 55 int data_size, |
| 56 bool is_keyframe) { |
| 53 // If you hit this CHECK you likely have a bug in a demuxer. Go fix it. | 57 // If you hit this CHECK you likely have a bug in a demuxer. Go fix it. |
| 54 CHECK(data); | 58 CHECK(data); |
| 55 return make_scoped_refptr(new DecoderBuffer(data, data_size, NULL, 0)); | 59 return make_scoped_refptr(new DecoderBuffer(data, data_size, NULL, 0, |
| 60 is_keyframe)); |
| 56 } | 61 } |
| 57 | 62 |
| 58 // static | 63 // static |
| 59 scoped_refptr<DecoderBuffer> DecoderBuffer::CopyFrom(const uint8* data, | 64 scoped_refptr<DecoderBuffer> DecoderBuffer::CopyFrom(const uint8* data, |
| 60 int data_size, | 65 int data_size, |
| 61 const uint8* side_data, | 66 const uint8* side_data, |
| 62 int side_data_size) { | 67 int side_data_size, |
| 68 bool is_keyframe) { |
| 63 // If you hit this CHECK you likely have a bug in a demuxer. Go fix it. | 69 // If you hit this CHECK you likely have a bug in a demuxer. Go fix it. |
| 64 CHECK(data); | 70 CHECK(data); |
| 65 CHECK(side_data); | 71 CHECK(side_data); |
| 66 return make_scoped_refptr(new DecoderBuffer(data, data_size, | 72 return make_scoped_refptr(new DecoderBuffer(data, data_size, |
| 67 side_data, side_data_size)); | 73 side_data, side_data_size, |
| 74 is_keyframe)); |
| 68 } | 75 } |
| 69 | 76 |
| 70 // static | 77 // static |
| 71 scoped_refptr<DecoderBuffer> DecoderBuffer::CreateEOSBuffer() { | 78 scoped_refptr<DecoderBuffer> DecoderBuffer::CreateEOSBuffer() { |
| 72 return make_scoped_refptr(new DecoderBuffer(NULL, 0, NULL, 0)); | 79 return make_scoped_refptr(new DecoderBuffer(NULL, 0, NULL, 0, false)); |
| 73 } | 80 } |
| 74 | 81 |
| 75 std::string DecoderBuffer::AsHumanReadableString() { | 82 std::string DecoderBuffer::AsHumanReadableString() { |
| 76 if (end_of_stream()) { | 83 if (end_of_stream()) { |
| 77 return "end of stream"; | 84 return "end of stream"; |
| 78 } | 85 } |
| 79 | 86 |
| 80 std::ostringstream s; | 87 std::ostringstream s; |
| 81 s << "timestamp: " << timestamp_.InMicroseconds() | 88 s << "timestamp: " << timestamp_.InMicroseconds() |
| 82 << " duration: " << duration_.InMicroseconds() | 89 << " duration: " << duration_.InMicroseconds() |
| 83 << " size: " << size_ | 90 << " size: " << size_ |
| 84 << " side_data_size: " << side_data_size_ | 91 << " side_data_size: " << side_data_size_ |
| 92 << " is_keyframe: " << is_keyframe_ |
| 85 << " encrypted: " << (decrypt_config_ != NULL) | 93 << " encrypted: " << (decrypt_config_ != NULL) |
| 86 << " discard_padding (ms): (" << discard_padding_.first.InMilliseconds() | 94 << " discard_padding (ms): (" << discard_padding_.first.InMilliseconds() |
| 87 << ", " << discard_padding_.second.InMilliseconds() << ")"; | 95 << ", " << discard_padding_.second.InMilliseconds() << ")"; |
| 88 return s.str(); | 96 return s.str(); |
| 89 } | 97 } |
| 90 | 98 |
| 91 void DecoderBuffer::set_timestamp(base::TimeDelta timestamp) { | 99 void DecoderBuffer::set_timestamp(base::TimeDelta timestamp) { |
| 92 DCHECK(!end_of_stream()); | 100 DCHECK(!end_of_stream()); |
| 93 timestamp_ = timestamp; | 101 timestamp_ = timestamp; |
| 94 } | 102 } |
| 95 | 103 |
| 96 } // namespace media | 104 } // namespace media |
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