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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/video_frame.h" | 5 #include "media/base/video_frame.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/string_piece.h" | 8 #include "base/string_piece.h" |
9 #include "media/base/limits.h" | 9 #include "media/base/limits.h" |
10 #include "media/base/video_util.h" | 10 #include "media/base/video_util.h" |
11 #if !defined(OS_ANDROID) | 11 #if !defined(OS_ANDROID) |
12 #include "media/ffmpeg/ffmpeg_common.h" | 12 #include "media/ffmpeg/ffmpeg_common.h" |
13 #endif | 13 #endif |
14 | 14 |
15 #include <algorithm> | 15 #include <algorithm> |
16 | 16 |
17 namespace media { | 17 namespace media { |
18 | 18 |
19 // static | 19 // static |
20 scoped_refptr<VideoFrame> VideoFrame::CreateFrame( | 20 scoped_refptr<VideoFrame> VideoFrame::CreateFrame( |
21 VideoFrame::Format format, | 21 VideoFrame::Format format, |
22 size_t width, | 22 size_t width, |
23 size_t height, | 23 size_t height, |
24 base::TimeDelta timestamp, | 24 base::TimeDelta timestamp) { |
25 base::TimeDelta duration) { | |
26 DCHECK(IsValidConfig(format, width, height)); | 25 DCHECK(IsValidConfig(format, width, height)); |
27 scoped_refptr<VideoFrame> frame(new VideoFrame( | 26 scoped_refptr<VideoFrame> frame(new VideoFrame( |
28 format, width, height, timestamp, duration)); | 27 format, width, height, timestamp)); |
29 switch (format) { | 28 switch (format) { |
30 case VideoFrame::RGB32: | 29 case VideoFrame::RGB32: |
31 frame->AllocateRGB(4u); | 30 frame->AllocateRGB(4u); |
32 break; | 31 break; |
33 case VideoFrame::YV12: | 32 case VideoFrame::YV12: |
34 case VideoFrame::YV16: | 33 case VideoFrame::YV16: |
35 frame->AllocateYUV(); | 34 frame->AllocateYUV(); |
36 break; | 35 break; |
37 default: | 36 default: |
38 LOG(FATAL) << "Unsupported frame format: " << format; | 37 LOG(FATAL) << "Unsupported frame format: " << format; |
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52 width * height <= limits::kMaxCanvas); | 51 width * height <= limits::kMaxCanvas); |
53 } | 52 } |
54 | 53 |
55 // static | 54 // static |
56 scoped_refptr<VideoFrame> VideoFrame::WrapNativeTexture( | 55 scoped_refptr<VideoFrame> VideoFrame::WrapNativeTexture( |
57 uint32 texture_id, | 56 uint32 texture_id, |
58 uint32 texture_target, | 57 uint32 texture_target, |
59 size_t width, | 58 size_t width, |
60 size_t height, | 59 size_t height, |
61 base::TimeDelta timestamp, | 60 base::TimeDelta timestamp, |
62 base::TimeDelta duration, | |
63 const base::Closure& no_longer_needed) { | 61 const base::Closure& no_longer_needed) { |
64 scoped_refptr<VideoFrame> frame( | 62 scoped_refptr<VideoFrame> frame( |
65 new VideoFrame(NATIVE_TEXTURE, width, height, timestamp, duration)); | 63 new VideoFrame(NATIVE_TEXTURE, width, height, timestamp)); |
66 frame->texture_id_ = texture_id; | 64 frame->texture_id_ = texture_id; |
67 frame->texture_target_ = texture_target; | 65 frame->texture_target_ = texture_target; |
68 frame->texture_no_longer_needed_ = no_longer_needed; | 66 frame->texture_no_longer_needed_ = no_longer_needed; |
69 return frame; | 67 return frame; |
70 } | 68 } |
71 | 69 |
72 // static | 70 // static |
73 scoped_refptr<VideoFrame> VideoFrame::CreateEmptyFrame() { | 71 scoped_refptr<VideoFrame> VideoFrame::CreateEmptyFrame() { |
74 return new VideoFrame( | 72 return new VideoFrame( |
75 VideoFrame::EMPTY, 0, 0, base::TimeDelta(), base::TimeDelta()); | 73 VideoFrame::EMPTY, 0, 0, base::TimeDelta()); |
76 } | 74 } |
77 | 75 |
78 // static | 76 // static |
79 scoped_refptr<VideoFrame> VideoFrame::CreateBlackFrame(int width, int height) { | 77 scoped_refptr<VideoFrame> VideoFrame::CreateBlackFrame(int width, int height) { |
80 DCHECK_GT(width, 0); | 78 DCHECK_GT(width, 0); |
81 DCHECK_GT(height, 0); | 79 DCHECK_GT(height, 0); |
82 | 80 |
83 // Create our frame. | 81 // Create our frame. |
84 const base::TimeDelta kZero; | 82 const base::TimeDelta kZero; |
85 scoped_refptr<VideoFrame> frame = | 83 scoped_refptr<VideoFrame> frame = |
86 VideoFrame::CreateFrame(VideoFrame::YV12, width, height, kZero, kZero); | 84 VideoFrame::CreateFrame(VideoFrame::YV12, width, height, kZero); |
87 | 85 |
88 // Now set the data to YUV(0,128,128). | 86 // Now set the data to YUV(0,128,128). |
89 const uint8 kBlackY = 0x00; | 87 const uint8 kBlackY = 0x00; |
90 const uint8 kBlackUV = 0x80; | 88 const uint8 kBlackUV = 0x80; |
91 FillYUV(frame, kBlackY, kBlackUV, kBlackUV); | 89 FillYUV(frame, kBlackY, kBlackUV, kBlackUV); |
92 return frame; | 90 return frame; |
93 } | 91 } |
94 | 92 |
95 static inline size_t RoundUp(size_t value, size_t alignment) { | 93 static inline size_t RoundUp(size_t value, size_t alignment) { |
96 // Check that |alignment| is a power of 2. | 94 // Check that |alignment| is a power of 2. |
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160 data_[VideoFrame::kUPlane] = data + y_bytes; | 158 data_[VideoFrame::kUPlane] = data + y_bytes; |
161 data_[VideoFrame::kVPlane] = data + y_bytes + uv_bytes; | 159 data_[VideoFrame::kVPlane] = data + y_bytes + uv_bytes; |
162 strides_[VideoFrame::kYPlane] = y_stride; | 160 strides_[VideoFrame::kYPlane] = y_stride; |
163 strides_[VideoFrame::kUPlane] = uv_stride; | 161 strides_[VideoFrame::kUPlane] = uv_stride; |
164 strides_[VideoFrame::kVPlane] = uv_stride; | 162 strides_[VideoFrame::kVPlane] = uv_stride; |
165 } | 163 } |
166 | 164 |
167 VideoFrame::VideoFrame(VideoFrame::Format format, | 165 VideoFrame::VideoFrame(VideoFrame::Format format, |
168 size_t width, | 166 size_t width, |
169 size_t height, | 167 size_t height, |
170 base::TimeDelta timestamp, | 168 base::TimeDelta timestamp) |
171 base::TimeDelta duration) | |
172 : format_(format), | 169 : format_(format), |
173 width_(width), | 170 width_(width), |
174 height_(height), | 171 height_(height), |
175 texture_id_(0), | 172 texture_id_(0), |
176 texture_target_(0), | 173 texture_target_(0), |
177 timestamp_(timestamp), | 174 timestamp_(timestamp) { |
178 duration_(duration) { | |
179 memset(&strides_, 0, sizeof(strides_)); | 175 memset(&strides_, 0, sizeof(strides_)); |
180 memset(&data_, 0, sizeof(data_)); | 176 memset(&data_, 0, sizeof(data_)); |
181 } | 177 } |
182 | 178 |
183 VideoFrame::~VideoFrame() { | 179 VideoFrame::~VideoFrame() { |
184 if (format_ == NATIVE_TEXTURE && !texture_no_longer_needed_.is_null()) { | 180 if (format_ == NATIVE_TEXTURE && !texture_no_longer_needed_.is_null()) { |
185 texture_no_longer_needed_.Run(); | 181 texture_no_longer_needed_.Run(); |
186 texture_no_longer_needed_.Reset(); | 182 texture_no_longer_needed_.Reset(); |
187 } | 183 } |
188 | 184 |
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294 break; | 290 break; |
295 for(int row = 0; row < rows(plane); row++) { | 291 for(int row = 0; row < rows(plane); row++) { |
296 base::MD5Update(context, base::StringPiece( | 292 base::MD5Update(context, base::StringPiece( |
297 reinterpret_cast<char*>(data(plane) + stride(plane) * row), | 293 reinterpret_cast<char*>(data(plane) + stride(plane) * row), |
298 row_bytes(plane))); | 294 row_bytes(plane))); |
299 } | 295 } |
300 } | 296 } |
301 } | 297 } |
302 | 298 |
303 } // namespace media | 299 } // namespace media |
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