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1 /* | 1 /* |
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 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 | 10 |
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22 // FFmpeg's decoder, used by H264DecoderImpl, requires up to 8 bytes padding due | 22 // FFmpeg's decoder, used by H264DecoderImpl, requires up to 8 bytes padding due |
23 // to optimized bitstream readers. See avcodec_decode_video2. | 23 // to optimized bitstream readers. See avcodec_decode_video2. |
24 const size_t EncodedImage::kBufferPaddingBytesH264 = 8; | 24 const size_t EncodedImage::kBufferPaddingBytesH264 = 8; |
25 | 25 |
26 int ExpectedSize(int plane_stride, int image_height, PlaneType type) { | 26 int ExpectedSize(int plane_stride, int image_height, PlaneType type) { |
27 if (type == kYPlane) | 27 if (type == kYPlane) |
28 return plane_stride * image_height; | 28 return plane_stride * image_height; |
29 return plane_stride * ((image_height + 1) / 2); | 29 return plane_stride * ((image_height + 1) / 2); |
30 } | 30 } |
31 | 31 |
32 VideoFrame::VideoFrame() { | 32 VideoFrame::VideoFrame() |
33 // Intentionally using Reset instead of initializer list so that any missed | 33 : video_frame_buffer_(nullptr), |
34 // fields in Reset will be caught by memory checkers. | 34 timestamp_(0), |
35 Reset(); | 35 ntp_time_ms_(0), |
36 } | 36 render_time_ms_(0), |
| 37 rotation_(kVideoRotation_0) {} |
37 | 38 |
38 VideoFrame::VideoFrame(const rtc::scoped_refptr<VideoFrameBuffer>& buffer, | 39 VideoFrame::VideoFrame(const rtc::scoped_refptr<VideoFrameBuffer>& buffer, |
39 uint32_t timestamp, | 40 uint32_t timestamp, |
40 int64_t render_time_ms, | 41 int64_t render_time_ms, |
41 VideoRotation rotation) | 42 VideoRotation rotation) |
42 : video_frame_buffer_(buffer), | 43 : video_frame_buffer_(buffer), |
43 timestamp_(timestamp), | 44 timestamp_(timestamp), |
44 ntp_time_ms_(0), | 45 ntp_time_ms_(0), |
45 render_time_ms_(render_time_ms), | 46 render_time_ms_(render_time_ms), |
46 rotation_(rotation) { | 47 rotation_(rotation) { |
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132 } | 133 } |
133 | 134 |
134 void VideoFrame::ShallowCopy(const VideoFrame& videoFrame) { | 135 void VideoFrame::ShallowCopy(const VideoFrame& videoFrame) { |
135 video_frame_buffer_ = videoFrame.video_frame_buffer(); | 136 video_frame_buffer_ = videoFrame.video_frame_buffer(); |
136 timestamp_ = videoFrame.timestamp_; | 137 timestamp_ = videoFrame.timestamp_; |
137 ntp_time_ms_ = videoFrame.ntp_time_ms_; | 138 ntp_time_ms_ = videoFrame.ntp_time_ms_; |
138 render_time_ms_ = videoFrame.render_time_ms_; | 139 render_time_ms_ = videoFrame.render_time_ms_; |
139 rotation_ = videoFrame.rotation_; | 140 rotation_ = videoFrame.rotation_; |
140 } | 141 } |
141 | 142 |
142 void VideoFrame::Reset() { | |
143 video_frame_buffer_ = nullptr; | |
144 timestamp_ = 0; | |
145 ntp_time_ms_ = 0; | |
146 render_time_ms_ = 0; | |
147 rotation_ = kVideoRotation_0; | |
148 } | |
149 | |
150 uint8_t* VideoFrame::buffer(PlaneType type) { | 143 uint8_t* VideoFrame::buffer(PlaneType type) { |
151 return video_frame_buffer_ ? video_frame_buffer_->MutableData(type) | 144 return video_frame_buffer_ ? video_frame_buffer_->MutableData(type) |
152 : nullptr; | 145 : nullptr; |
153 } | 146 } |
154 | 147 |
155 const uint8_t* VideoFrame::buffer(PlaneType type) const { | 148 const uint8_t* VideoFrame::buffer(PlaneType type) const { |
156 return video_frame_buffer_ ? video_frame_buffer_->data(type) : nullptr; | 149 return video_frame_buffer_ ? video_frame_buffer_->data(type) : nullptr; |
157 } | 150 } |
158 | 151 |
159 int VideoFrame::allocated_size(PlaneType type) const { | 152 int VideoFrame::allocated_size(PlaneType type) const { |
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210 case kVideoCodecULPFEC: | 203 case kVideoCodecULPFEC: |
211 case kVideoCodecGeneric: | 204 case kVideoCodecGeneric: |
212 case kVideoCodecUnknown: | 205 case kVideoCodecUnknown: |
213 return 0; | 206 return 0; |
214 } | 207 } |
215 RTC_NOTREACHED(); | 208 RTC_NOTREACHED(); |
216 return 0; | 209 return 0; |
217 } | 210 } |
218 | 211 |
219 } // namespace webrtc | 212 } // namespace webrtc |
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