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Delete wrapper API ConvertToI420 for YUV conversion to I420

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Directly use the libyuv API for YUV conversion to I420

Bug: None
Change-Id: Iea6e8fa8f7179c800ea850305170002398cb00dc
Reviewed-on: https://webrtc-review.googlesource.com/17260
Commit-Queue: Niels Moller <nisse@webrtc.org>
Reviewed-by: Åsa Persson <asapersson@webrtc.org>
Reviewed-by: Alex Glaznev <glaznev@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Reviewed-by: Magnus Jedvert <magjed@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20681}
This commit is contained in:
mallikarjun82
2017-11-15 14:35:56 +05:30
committed by Commit Bot
parent fe73d6ab87
commit 12e555b715
6 changed files with 109 additions and 128 deletions
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13
modules/video_coding/codecs/i420/i420.cc
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@ -15,6 +15,7 @@
#include "api/video/i420_buffer.h"
#include "common_video/libyuv/include/webrtc_libyuv.h"
#include "libyuv.h" // NOLINT
namespace {
const size_t kI420HeaderSize = 4;
@ -204,8 +205,16 @@ int I420Decoder::Decode(const EncodedImage& inputImage,
I420Buffer::Create(_width, _height);
// Converting from raw buffer I420Buffer.
int ret = ConvertToI420(VideoType::kI420, buffer, 0, 0, _width, _height, 0,
kVideoRotation_0, frame_buffer.get());
int y_stride = 16 * ((_width + 15) / 16);
int uv_stride = 16 * ((_width + 31) / 32);
int y_size = y_stride * height;
int u_size = uv_stride * frame_buffer->ChromaHeight();
int ret = libyuv::I420Copy(
buffer, y_stride, buffer + y_size, uv_stride, buffer + y_size + u_size,
uv_stride, frame_buffer.get()->MutableDataY(),
frame_buffer.get()->StrideY(), frame_buffer.get()->MutableDataU(),
frame_buffer.get()->StrideU(), frame_buffer.get()->MutableDataV(),
frame_buffer.get()->StrideV(), _width, _height);
if (ret < 0) {
return WEBRTC_VIDEO_CODEC_MEMORY;
}