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Other improvements.
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Added yuv_helper (#57)

ABGRToI420, ARGBToI420 & ARGBToRGB24 (#65)

Co-authored-by: Théo Monnom <theo.monnom@outlook.com>
Co-authored-by: Hiroshi Horie <548776+hiroshihorie@users.noreply.github.com>
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@theomonnom @hiroshihorie @cloudwebrtc
2 people authored and cloudwebrtc committed Jul 13, 2023
1 parent 981631a commit 5a02e2f
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1 change: 1 addition & 0 deletions api/BUILD.gn
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Expand Up @@ -330,6 +330,7 @@ rtc_library("libjingle_peerconnection_api") {
"video:encoded_image",
"video:video_bitrate_allocator_factory",
"video:video_frame",
"video:yuv_helper",
"video:video_rtp_headers",
"video_codecs:video_codecs_api",

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13 changes: 13 additions & 0 deletions api/video/BUILD.gn
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Expand Up @@ -79,6 +79,19 @@ rtc_library("video_frame") {
absl_deps = [ "//third_party/abseil-cpp/absl/types:optional" ]
}

rtc_library("yuv_helper") {
visibility = [ "*" ]
sources = [
"yuv_helper.cc",
"yuv_helper.h",
]

deps = [
"../../rtc_base/system:rtc_export",
"//third_party/libyuv",
]
}

if (is_android) {
java_cpp_enum("video_frame_enums") {
sources = [ "video_frame_buffer.h" ]
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218 changes: 218 additions & 0 deletions api/video/yuv_helper.cc
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@@ -0,0 +1,218 @@
/*
* Copyright 2022 LiveKit
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

#include "yuv_helper.h"

#include "libyuv/convert.h"
#include "third_party/libyuv/include/libyuv.h"
#include "video_rotation.h"

namespace webrtc {

int I420Rotate(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
uint8_t* dst_y,
int dst_stride_y,
uint8_t* dst_u,
int dst_stride_u,
uint8_t* dst_v,
int dst_stride_v,
int width,
int height,
VideoRotation mode) {
return libyuv::I420Rotate(src_y, src_stride_y, src_u, src_stride_u, src_v,
src_stride_v, dst_y, dst_stride_y, dst_u,
dst_stride_u, dst_v, dst_stride_v, width, height,
static_cast<libyuv::RotationMode>(mode));
}

int I420ToNV12(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
uint8_t* dst_y,
int dst_stride_y,
uint8_t* dst_uv,
int dst_stride_uv,
int width,
int height) {
return libyuv::I420ToNV12(src_y, src_stride_y, src_u, src_stride_u, src_v,
src_stride_v, dst_y, dst_stride_y, dst_uv,
dst_stride_uv, width, height);
}

int NV12ToI420(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_uv,
int src_stride_uv,
uint8_t* dst_y,
int dst_stride_y,
uint8_t* dst_u,
int dst_stride_u,
uint8_t* dst_v,
int dst_stride_v,
int width,
int height) {
return libyuv::NV12ToI420(src_y, src_stride_y, src_uv, src_stride_uv, dst_y,
dst_stride_y, dst_u, dst_stride_u, dst_v,
dst_stride_v, width, height);
}

int I420ToARGB(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
return libyuv::I420ToARGB(src_y, src_stride_y, src_u, src_stride_u, src_v,
src_stride_v, dst_argb, dst_stride_argb, width,
height);
}

int I420ToBGRA(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
uint8_t* dst_bgra,
int dst_stride_bgra,
int width,
int height) {
return libyuv::I420ToBGRA(src_y, src_stride_y, src_u, src_stride_u, src_v,
src_stride_v, dst_bgra, dst_stride_bgra, width,
height);
}

int I420ToABGR(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
uint8_t* dst_abgr,
int dst_stride_abgr,
int width,
int height) {
return libyuv::I420ToABGR(src_y, src_stride_y, src_u, src_stride_u, src_v,
src_stride_v, dst_abgr, dst_stride_abgr, width,
height);
}

int I420ToRGBA(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
uint8_t* dst_rgba,
int dst_stride_rgba,
int width,
int height) {
return libyuv::I420ToRGBA(src_y, src_stride_y, src_u, src_stride_u, src_v,
src_stride_v, dst_rgba, dst_stride_rgba, width,
height);
}

int I420ToRGB24(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
uint8_t* dst_rgb24,
int dst_stride_rgb24,
int width,
int height) {
return libyuv::I420ToRGB24(src_y, src_stride_y, src_u, src_stride_u, src_v,
src_stride_v, dst_rgb24, dst_stride_rgb24, width,
height);
}

int I420Scale(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
int src_width,
int src_height,
uint8_t* dst_y,
int dst_stride_y,
uint8_t* dst_u,
int dst_stride_u,
uint8_t* dst_v,
int dst_stride_v,
int dst_width,
int dst_height,
libyuv::FilterMode filtering) {
return libyuv::I420Scale(src_y, src_stride_y, src_u, src_stride_u, src_v,
src_stride_v, src_width, src_height, dst_y,
dst_stride_y, dst_u, dst_stride_u, dst_v,
dst_stride_v, dst_width, dst_height, filtering);
}

int ARGBToI420(const uint8_t* src_argb,
int src_stride_argb,
uint8_t* dst_y,
int dst_stride_y,
uint8_t* dst_u,
int dst_stride_u,
uint8_t* dst_v,
int dst_stride_v,
int width,
int height) {
return libyuv::ARGBToI420(src_argb, src_stride_argb, dst_y, dst_stride_y,
dst_u, dst_stride_u, dst_v, dst_stride_v, width,
height);
}

int ABGRToI420(const uint8_t* src_abgr,
int src_stride_abgr,
uint8_t* dst_y,
int dst_stride_y,
uint8_t* dst_u,
int dst_stride_u,
uint8_t* dst_v,
int dst_stride_v,
int width,
int height) {
return libyuv::ABGRToI420(src_abgr, src_stride_abgr, dst_y, dst_stride_y,
dst_u, dst_stride_u, dst_v, dst_stride_v, width,
height);
}

int ARGBToRGB24(const uint8_t* src_argb,
int src_stride_argb,
uint8_t* dst_rgb24,
int dst_stride_rgb24,
int width,
int height) {
return libyuv::ARGBToRGB24(src_argb, src_stride_argb, dst_rgb24,
dst_stride_rgb24, width, height);
}

} // namespace webrtc
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