diff options
Diffstat (limited to 'webrtc/common_video/video_frame.cc')
| -rw-r--r-- | webrtc/common_video/video_frame.cc | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/webrtc/common_video/video_frame.cc b/webrtc/common_video/video_frame.cc index 7cdbd53f9d..8ccd821d09 100644 --- a/webrtc/common_video/video_frame.cc +++ b/webrtc/common_video/video_frame.cc @@ -19,6 +19,26 @@ namespace webrtc { +bool EqualPlane(const uint8_t* data1, + const uint8_t* data2, + int stride, + int width, + int height) { + for (int y = 0; y < height; ++y) { + if (memcmp(data1, data2, width) != 0) + return false; + data1 += stride; + data2 += stride; + } + return true; +} + +int ExpectedSize(int plane_stride, int image_height, PlaneType type) { + if (type == kYPlane) + return plane_stride * image_height; + return plane_stride * ((image_height + 1) / 2); +} + VideoFrame::VideoFrame() { // Intentionally using Reset instead of initializer list so that any missed // fields in Reset will be caught by memory checkers. @@ -202,4 +222,24 @@ VideoFrame VideoFrame::ConvertNativeToI420Frame() const { return frame; } +bool VideoFrame::EqualsFrame(const VideoFrame& frame) const { + if (width() != frame.width() || height() != frame.height() || + stride(kYPlane) != frame.stride(kYPlane) || + stride(kUPlane) != frame.stride(kUPlane) || + stride(kVPlane) != frame.stride(kVPlane) || + timestamp() != frame.timestamp() || + ntp_time_ms() != frame.ntp_time_ms() || + render_time_ms() != frame.render_time_ms()) { + return false; + } + const int half_width = (width() + 1) / 2; + const int half_height = (height() + 1) / 2; + return EqualPlane(buffer(kYPlane), frame.buffer(kYPlane), + stride(kYPlane), width(), height()) && + EqualPlane(buffer(kUPlane), frame.buffer(kUPlane), + stride(kUPlane), half_width, half_height) && + EqualPlane(buffer(kVPlane), frame.buffer(kVPlane), + stride(kVPlane), half_width, half_height); +} + } // namespace webrtc |