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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/ffmpeg/ffmpeg_common.h" | 5 #include "media/ffmpeg/ffmpeg_common.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
9 #include "base/sha1.h" | 9 #include "base/sha1.h" |
10 #include "base/strings/string_number_conversions.h" | 10 #include "base/strings/string_number_conversions.h" |
11 #include "base/strings/string_split.h" | 11 #include "base/strings/string_split.h" |
12 #include "base/strings/string_util.h" | 12 #include "base/strings/string_util.h" |
| 13 #include "build/build_config.h" |
13 #include "media/base/decoder_buffer.h" | 14 #include "media/base/decoder_buffer.h" |
14 #include "media/base/video_decoder_config.h" | 15 #include "media/base/video_decoder_config.h" |
15 #include "media/base/video_util.h" | 16 #include "media/base/video_util.h" |
16 | 17 |
17 namespace media { | 18 namespace media { |
18 | 19 |
19 // Why FF_INPUT_BUFFER_PADDING_SIZE? FFmpeg assumes all input buffers are | 20 // Why FF_INPUT_BUFFER_PADDING_SIZE? FFmpeg assumes all input buffers are |
20 // padded. Check here to ensure FFmpeg only receives data padded to its | 21 // padded. Check here to ensure FFmpeg only receives data padded to its |
21 // specifications. | 22 // specifications. |
22 static_assert(DecoderBuffer::kPaddingSize >= FF_INPUT_BUFFER_PADDING_SIZE, | 23 static_assert(DecoderBuffer::kPaddingSize >= FF_INPUT_BUFFER_PADDING_SIZE, |
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689 } | 690 } |
690 | 691 |
691 int32_t HashCodecName(const char* codec_name) { | 692 int32_t HashCodecName(const char* codec_name) { |
692 // Use the first 32-bits from the SHA1 hash as the identifier. | 693 // Use the first 32-bits from the SHA1 hash as the identifier. |
693 int32_t hash; | 694 int32_t hash; |
694 memcpy(&hash, base::SHA1HashString(codec_name).substr(0, 4).c_str(), 4); | 695 memcpy(&hash, base::SHA1HashString(codec_name).substr(0, 4).c_str(), 4); |
695 return hash; | 696 return hash; |
696 } | 697 } |
697 | 698 |
698 } // namespace media | 699 } // namespace media |
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