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Side by Side Diff: webrtc/api/video/i420_buffer.cc

Issue 2906053002: Update I420Buffer to new VideoFrameBuffer interface (Closed)
Patch Set: Make const versions of Get functions Created 3 years, 6 months ago
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1 /* 1 /*
2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license 4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source 5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found 6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may 7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree. 8 * be found in the AUTHORS file in the root of the source tree.
9 */ 9 */
10 #include "webrtc/api/video/i420_buffer.h" 10 #include "webrtc/api/video/i420_buffer.h"
(...skipping 59 matching lines...) Expand 10 before | Expand all | Expand 10 after
70 int height, 70 int height,
71 int stride_y, 71 int stride_y,
72 int stride_u, 72 int stride_u,
73 int stride_v) { 73 int stride_v) {
74 return new rtc::RefCountedObject<I420Buffer>( 74 return new rtc::RefCountedObject<I420Buffer>(
75 width, height, stride_y, stride_u, stride_v); 75 width, height, stride_y, stride_u, stride_v);
76 } 76 }
77 77
78 // static 78 // static
79 rtc::scoped_refptr<I420Buffer> I420Buffer::Copy( 79 rtc::scoped_refptr<I420Buffer> I420Buffer::Copy(
80 const VideoFrameBuffer& source) { 80 const I420BufferInterface& source) {
81 return Copy(source.width(), source.height(), 81 return Copy(source.width(), source.height(),
82 source.DataY(), source.StrideY(), 82 source.DataY(), source.StrideY(),
83 source.DataU(), source.StrideU(), 83 source.DataU(), source.StrideU(),
84 source.DataV(), source.StrideV()); 84 source.DataV(), source.StrideV());
85 } 85 }
86 86
87 // static 87 // static
88 rtc::scoped_refptr<I420Buffer> I420Buffer::Copy( 88 rtc::scoped_refptr<I420Buffer> I420Buffer::Copy(
89 int width, int height, 89 int width, int height,
90 const uint8_t* data_y, int stride_y, 90 const uint8_t* data_y, int stride_y,
91 const uint8_t* data_u, int stride_u, 91 const uint8_t* data_u, int stride_u,
92 const uint8_t* data_v, int stride_v) { 92 const uint8_t* data_v, int stride_v) {
93 // Note: May use different strides than the input data. 93 // Note: May use different strides than the input data.
94 rtc::scoped_refptr<I420Buffer> buffer = Create(width, height); 94 rtc::scoped_refptr<I420Buffer> buffer = Create(width, height);
95 RTC_CHECK_EQ(0, libyuv::I420Copy(data_y, stride_y, 95 RTC_CHECK_EQ(0, libyuv::I420Copy(data_y, stride_y,
96 data_u, stride_u, 96 data_u, stride_u,
97 data_v, stride_v, 97 data_v, stride_v,
98 buffer->MutableDataY(), buffer->StrideY(), 98 buffer->MutableDataY(), buffer->StrideY(),
99 buffer->MutableDataU(), buffer->StrideU(), 99 buffer->MutableDataU(), buffer->StrideU(),
100 buffer->MutableDataV(), buffer->StrideV(), 100 buffer->MutableDataV(), buffer->StrideV(),
101 width, height)); 101 width, height));
102 return buffer; 102 return buffer;
103 } 103 }
104 104
105 // static 105 // static
106 rtc::scoped_refptr<I420Buffer> I420Buffer::Rotate( 106 rtc::scoped_refptr<I420Buffer> I420Buffer::Rotate(
107 const VideoFrameBuffer& src, VideoRotation rotation) { 107 const I420BufferInterface& src,
108 VideoRotation rotation) {
108 RTC_CHECK(src.DataY()); 109 RTC_CHECK(src.DataY());
109 RTC_CHECK(src.DataU()); 110 RTC_CHECK(src.DataU());
110 RTC_CHECK(src.DataV()); 111 RTC_CHECK(src.DataV());
111 112
112 int rotated_width = src.width(); 113 int rotated_width = src.width();
113 int rotated_height = src.height(); 114 int rotated_height = src.height();
114 if (rotation == webrtc::kVideoRotation_90 || 115 if (rotation == webrtc::kVideoRotation_90 ||
115 rotation == webrtc::kVideoRotation_270) { 116 rotation == webrtc::kVideoRotation_270) {
116 std::swap(rotated_width, rotated_height); 117 std::swap(rotated_width, rotated_height);
117 } 118 }
(...skipping 58 matching lines...) Expand 10 before | Expand all | Expand 10 after
176 177
177 // static 178 // static
178 void I420Buffer::SetBlack(I420Buffer* buffer) { 179 void I420Buffer::SetBlack(I420Buffer* buffer) {
179 RTC_CHECK(libyuv::I420Rect(buffer->MutableDataY(), buffer->StrideY(), 180 RTC_CHECK(libyuv::I420Rect(buffer->MutableDataY(), buffer->StrideY(),
180 buffer->MutableDataU(), buffer->StrideU(), 181 buffer->MutableDataU(), buffer->StrideU(),
181 buffer->MutableDataV(), buffer->StrideV(), 182 buffer->MutableDataV(), buffer->StrideV(),
182 0, 0, buffer->width(), buffer->height(), 183 0, 0, buffer->width(), buffer->height(),
183 0, 128, 128) == 0); 184 0, 128, 128) == 0);
184 } 185 }
185 186
186 void I420Buffer::CropAndScaleFrom( 187 void I420Buffer::CropAndScaleFrom(const I420BufferInterface& src,
187 const VideoFrameBuffer& src, 188 int offset_x,
188 int offset_x, 189 int offset_y,
189 int offset_y, 190 int crop_width,
190 int crop_width, 191 int crop_height) {
191 int crop_height) {
192 RTC_CHECK_LE(crop_width, src.width()); 192 RTC_CHECK_LE(crop_width, src.width());
193 RTC_CHECK_LE(crop_height, src.height()); 193 RTC_CHECK_LE(crop_height, src.height());
194 RTC_CHECK_LE(crop_width + offset_x, src.width()); 194 RTC_CHECK_LE(crop_width + offset_x, src.width());
195 RTC_CHECK_LE(crop_height + offset_y, src.height()); 195 RTC_CHECK_LE(crop_height + offset_y, src.height());
196 RTC_CHECK_GE(offset_x, 0); 196 RTC_CHECK_GE(offset_x, 0);
197 RTC_CHECK_GE(offset_y, 0); 197 RTC_CHECK_GE(offset_y, 0);
198 198
199 // Make sure offset is even so that u/v plane becomes aligned. 199 // Make sure offset is even so that u/v plane becomes aligned.
200 const int uv_offset_x = offset_x / 2; 200 const int uv_offset_x = offset_x / 2;
201 const int uv_offset_y = offset_y / 2; 201 const int uv_offset_y = offset_y / 2;
(...skipping 11 matching lines...) Expand all
213 v_plane, src.StrideV(), 213 v_plane, src.StrideV(),
214 crop_width, crop_height, 214 crop_width, crop_height,
215 MutableDataY(), StrideY(), 215 MutableDataY(), StrideY(),
216 MutableDataU(), StrideU(), 216 MutableDataU(), StrideU(),
217 MutableDataV(), StrideV(), 217 MutableDataV(), StrideV(),
218 width(), height(), libyuv::kFilterBox); 218 width(), height(), libyuv::kFilterBox);
219 219
220 RTC_DCHECK_EQ(res, 0); 220 RTC_DCHECK_EQ(res, 0);
221 } 221 }
222 222
223 void I420Buffer::CropAndScaleFrom( 223 void I420Buffer::CropAndScaleFrom(const I420BufferInterface& src) {
224 const VideoFrameBuffer& src) {
225 const int crop_width = 224 const int crop_width =
226 std::min(src.width(), width() * src.height() / height()); 225 std::min(src.width(), width() * src.height() / height());
227 const int crop_height = 226 const int crop_height =
228 std::min(src.height(), height() * src.width() / width()); 227 std::min(src.height(), height() * src.width() / width());
229 228
230 CropAndScaleFrom( 229 CropAndScaleFrom(
231 src, 230 src,
232 (src.width() - crop_width) / 2, (src.height() - crop_height) / 2, 231 (src.width() - crop_width) / 2, (src.height() - crop_height) / 2,
233 crop_width, crop_height); 232 crop_width, crop_height);
234 } 233 }
235 234
236 void I420Buffer::ScaleFrom(const VideoFrameBuffer& src) { 235 void I420Buffer::ScaleFrom(const I420BufferInterface& src) {
237 CropAndScaleFrom(src, 0, 0, src.width(), src.height()); 236 CropAndScaleFrom(src, 0, 0, src.width(), src.height());
238 } 237 }
239 238
240 } // namespace webrtc 239 } // namespace webrtc
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