367 lines
11 KiB
C++
367 lines
11 KiB
C++
/*
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* Copyright 2011 The LibYuv Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef INCLUDE_LIBYUV_CONVERT_H_
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#define INCLUDE_LIBYUV_CONVERT_H_
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#include "libyuv/basic_types.h"
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#include "libyuv/rotate.h" // For enum RotationMode.
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// TODO(fbarchard): fix WebRTC source to include following libyuv headers:
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#include "libyuv/convert_argb.h" // For WebRTC I420ToARGB. b/620
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#include "libyuv/convert_from.h" // For WebRTC ConvertFromI420. b/620
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#include "libyuv/planar_functions.h" // For WebRTC I420Rect, CopyPlane. b/618
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#ifdef __cplusplus
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namespace libyuv {
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extern "C" {
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#endif
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// Convert I444 to I420.
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LIBYUV_API
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int I444ToI420(const uint8* src_y,
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int src_stride_y,
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const uint8* src_u,
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int src_stride_u,
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const uint8* src_v,
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int src_stride_v,
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uint8* dst_y,
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int dst_stride_y,
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uint8* dst_u,
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int dst_stride_u,
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uint8* dst_v,
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int dst_stride_v,
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int width,
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int height);
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// Convert I422 to I420.
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LIBYUV_API
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int I422ToI420(const uint8* src_y,
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int src_stride_y,
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const uint8* src_u,
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int src_stride_u,
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const uint8* src_v,
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int src_stride_v,
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uint8* dst_y,
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int dst_stride_y,
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uint8* dst_u,
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int dst_stride_u,
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uint8* dst_v,
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int dst_stride_v,
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int width,
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int height);
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// Copy I420 to I420.
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#define I420ToI420 I420Copy
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LIBYUV_API
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int I420Copy(const uint8* src_y,
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int src_stride_y,
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const uint8* src_u,
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int src_stride_u,
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const uint8* src_v,
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int src_stride_v,
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uint8* dst_y,
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int dst_stride_y,
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uint8* dst_u,
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int dst_stride_u,
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uint8* dst_v,
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int dst_stride_v,
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int width,
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int height);
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// Convert I400 (grey) to I420.
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LIBYUV_API
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int I400ToI420(const uint8* src_y,
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int src_stride_y,
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uint8* dst_y,
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int dst_stride_y,
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uint8* dst_u,
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int dst_stride_u,
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uint8* dst_v,
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int dst_stride_v,
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int width,
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int height);
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#define J400ToJ420 I400ToI420
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// Convert NV12 to I420.
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LIBYUV_API
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int NV12ToI420(const uint8* src_y,
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int src_stride_y,
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const uint8* src_uv,
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int src_stride_uv,
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uint8* dst_y,
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int dst_stride_y,
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uint8* dst_u,
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int dst_stride_u,
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uint8* dst_v,
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int dst_stride_v,
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int width,
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int height);
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// Convert NV21 to I420.
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LIBYUV_API
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int NV21ToI420(const uint8* src_y,
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int src_stride_y,
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const uint8* src_vu,
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int src_stride_vu,
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uint8* dst_y,
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int dst_stride_y,
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uint8* dst_u,
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int dst_stride_u,
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uint8* dst_v,
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int dst_stride_v,
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int width,
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int height);
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// Convert YUY2 to I420.
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LIBYUV_API
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int YUY2ToI420(const uint8* src_yuy2,
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int src_stride_yuy2,
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uint8* dst_y,
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int dst_stride_y,
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uint8* dst_u,
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int dst_stride_u,
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uint8* dst_v,
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int dst_stride_v,
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int width,
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int height);
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// Convert UYVY to I420.
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LIBYUV_API
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int UYVYToI420(const uint8* src_uyvy,
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int src_stride_uyvy,
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uint8* dst_y,
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int dst_stride_y,
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uint8* dst_u,
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int dst_stride_u,
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uint8* dst_v,
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int dst_stride_v,
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int width,
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int height);
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// Convert M420 to I420.
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LIBYUV_API
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int M420ToI420(const uint8* src_m420,
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int src_stride_m420,
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uint8* dst_y,
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int dst_stride_y,
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uint8* dst_u,
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int dst_stride_u,
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uint8* dst_v,
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int dst_stride_v,
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int width,
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int height);
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// Convert Android420 to I420.
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LIBYUV_API
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int Android420ToI420(const uint8* src_y,
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int src_stride_y,
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const uint8* src_u,
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int src_stride_u,
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const uint8* src_v,
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int src_stride_v,
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int pixel_stride_uv,
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uint8* dst_y,
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int dst_stride_y,
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uint8* dst_u,
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int dst_stride_u,
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uint8* dst_v,
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int dst_stride_v,
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int width,
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int height);
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// ARGB little endian (bgra in memory) to I420.
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LIBYUV_API
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int ARGBToI420(const uint8* src_frame,
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int src_stride_frame,
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uint8* dst_y,
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int dst_stride_y,
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uint8* dst_u,
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int dst_stride_u,
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uint8* dst_v,
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int dst_stride_v,
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int width,
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int height);
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// BGRA little endian (argb in memory) to I420.
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LIBYUV_API
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int BGRAToI420(const uint8* src_frame,
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int src_stride_frame,
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uint8* dst_y,
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int dst_stride_y,
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uint8* dst_u,
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int dst_stride_u,
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uint8* dst_v,
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int dst_stride_v,
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int width,
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int height);
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// ABGR little endian (rgba in memory) to I420.
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LIBYUV_API
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int ABGRToI420(const uint8* src_frame,
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int src_stride_frame,
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uint8* dst_y,
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int dst_stride_y,
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uint8* dst_u,
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int dst_stride_u,
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uint8* dst_v,
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int dst_stride_v,
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int width,
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int height);
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// RGBA little endian (abgr in memory) to I420.
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LIBYUV_API
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int RGBAToI420(const uint8* src_frame,
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int src_stride_frame,
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uint8* dst_y,
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int dst_stride_y,
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uint8* dst_u,
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int dst_stride_u,
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uint8* dst_v,
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int dst_stride_v,
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int width,
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int height);
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// RGB little endian (bgr in memory) to I420.
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LIBYUV_API
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int RGB24ToI420(const uint8* src_frame,
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int src_stride_frame,
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uint8* dst_y,
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int dst_stride_y,
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uint8* dst_u,
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int dst_stride_u,
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uint8* dst_v,
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int dst_stride_v,
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int width,
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int height);
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// RGB big endian (rgb in memory) to I420.
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LIBYUV_API
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int RAWToI420(const uint8* src_frame,
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int src_stride_frame,
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uint8* dst_y,
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int dst_stride_y,
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uint8* dst_u,
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int dst_stride_u,
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uint8* dst_v,
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int dst_stride_v,
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int width,
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int height);
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// RGB16 (RGBP fourcc) little endian to I420.
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LIBYUV_API
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int RGB565ToI420(const uint8* src_frame,
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int src_stride_frame,
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uint8* dst_y,
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int dst_stride_y,
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uint8* dst_u,
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int dst_stride_u,
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uint8* dst_v,
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int dst_stride_v,
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int width,
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int height);
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// RGB15 (RGBO fourcc) little endian to I420.
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LIBYUV_API
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int ARGB1555ToI420(const uint8* src_frame,
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int src_stride_frame,
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uint8* dst_y,
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int dst_stride_y,
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uint8* dst_u,
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int dst_stride_u,
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uint8* dst_v,
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int dst_stride_v,
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int width,
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int height);
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// RGB12 (R444 fourcc) little endian to I420.
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LIBYUV_API
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int ARGB4444ToI420(const uint8* src_frame,
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int src_stride_frame,
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uint8* dst_y,
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int dst_stride_y,
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uint8* dst_u,
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int dst_stride_u,
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uint8* dst_v,
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int dst_stride_v,
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int width,
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int height);
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#ifdef HAVE_JPEG
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// src_width/height provided by capture.
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// dst_width/height for clipping determine final size.
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LIBYUV_API
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int MJPGToI420(const uint8* sample,
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size_t sample_size,
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uint8* dst_y,
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int dst_stride_y,
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uint8* dst_u,
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int dst_stride_u,
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uint8* dst_v,
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int dst_stride_v,
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int src_width,
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int src_height,
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int dst_width,
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int dst_height);
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// Query size of MJPG in pixels.
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LIBYUV_API
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int MJPGSize(const uint8* sample, size_t sample_size, int* width, int* height);
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#endif
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// Convert camera sample to I420 with cropping, rotation and vertical flip.
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// "src_size" is needed to parse MJPG.
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// "dst_stride_y" number of bytes in a row of the dst_y plane.
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// Normally this would be the same as dst_width, with recommended alignment
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// to 16 bytes for better efficiency.
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// If rotation of 90 or 270 is used, stride is affected. The caller should
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// allocate the I420 buffer according to rotation.
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// "dst_stride_u" number of bytes in a row of the dst_u plane.
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// Normally this would be the same as (dst_width + 1) / 2, with
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// recommended alignment to 16 bytes for better efficiency.
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// If rotation of 90 or 270 is used, stride is affected.
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// "crop_x" and "crop_y" are starting position for cropping.
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// To center, crop_x = (src_width - dst_width) / 2
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// crop_y = (src_height - dst_height) / 2
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// "src_width" / "src_height" is size of src_frame in pixels.
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// "src_height" can be negative indicating a vertically flipped image source.
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// "crop_width" / "crop_height" is the size to crop the src to.
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// Must be less than or equal to src_width/src_height
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// Cropping parameters are pre-rotation.
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// "rotation" can be 0, 90, 180 or 270.
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// "format" is a fourcc. ie 'I420', 'YUY2'
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// Returns 0 for successful; -1 for invalid parameter. Non-zero for failure.
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LIBYUV_API
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int ConvertToI420(const uint8* src_frame,
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size_t src_size,
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uint8* dst_y,
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int dst_stride_y,
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uint8* dst_u,
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int dst_stride_u,
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uint8* dst_v,
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int dst_stride_v,
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int crop_x,
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int crop_y,
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int src_width,
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int src_height,
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int crop_width,
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int crop_height,
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enum RotationMode rotation,
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uint32 format);
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#ifdef __cplusplus
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} // extern "C"
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} // namespace libyuv
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#endif
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#endif // INCLUDE_LIBYUV_CONVERT_H_
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