From dd2b244b71d64c909cffcf040315d35138e85aab Mon Sep 17 00:00:00 2001
From: chenke <chenke@454eff88-639b-444f-9e54-f578c98de674>
Date: 星期三, 19 七月 2017 15:41:43 +0800
Subject: [PATCH] 图像缩放模块
---
RtspFace/PL_Scale.cpp | 90 ++++++++++++++++++++++++++++++++++++--------
1 files changed, 73 insertions(+), 17 deletions(-)
diff --git a/RtspFace/PL_Scale.cpp b/RtspFace/PL_Scale.cpp
index c825591..69b0866 100644
--- a/RtspFace/PL_Scale.cpp
+++ b/RtspFace/PL_Scale.cpp
@@ -1,9 +1,8 @@
#include "PL_Scale.h"
#include "MaterialBuffer.h"
#include "logger.h"
-
#include <libyuv.h>
-
+#include <android/native_window.h>
struct PL_Scale_Internal
{
uint8_t* buffer;
@@ -91,15 +90,15 @@
}
bool image_scale(PL_Scale_Internal* in,
- uint8_t* srcBuffer, int srcBuffSize, MB_Frame::MBFType srcType, uint16_t srcWidth, uint16_t srcHeight)
+ uint8_t* srcBuffer, MB_Frame::MBFType srcType, uint16_t srcWidth, uint16_t srcHeight)
{
#define SUBSAMPLE(v, a) ((((v) + (a) - 1)) / (a))
- const int dst_width = in->config.toWidth;
- const int dst_height = in->config.toHeight;
-
+ const int dst_width = in->config.toWidth;
+ const int dst_height = in->config.toHeight;
+
size_t dstSizeMax = 0;
- if (srcType == MB_Frame::MBFT_YUV420)
+ if (srcType == MB_Frame::MBFT_YUV420||srcType == MB_Frame::MBFT_NV12)
dstSizeMax = in->config.toWidth * in->config.toHeight * 1.5;
else if (srcType == MB_Frame::MBFT_BGRA)
dstSizeMax = in->config.toWidth * in->config.toHeight * 4;
@@ -108,7 +107,7 @@
LOG_ERROR << "srcType only support MBFT_YUV420 and MBFT_BGRA" << std::endl;
return false;
}
-
+
if (in->buffer == nullptr || in->buffSizeMax < dstSizeMax)
{
if (in->buffer != nullptr)
@@ -117,7 +116,7 @@
in->buffSizeMax = dstSizeMax;
LOG_INFO << "image_scale alloc buffer size=" << dstSizeMax << std::endl;
}
-
+
if (srcType == MB_Frame::MBFT_YUV420)
{
uint8_t* src_y = srcBuffer;
@@ -140,12 +139,42 @@
in->buffSize = dstSizeMax;
}
- else if (srcType == MB_Frame::MBFT_BGRA)
- {
- //#todo
- LOG_ERROR << "srcType only support MBFT_YUV420 and MBFT_BGRA" << std::endl;
- return false;
- }
+ else if (srcType == MB_Frame::MBFT_NV12)
+ {
+ const uint8_t* src_y = (const uint8_t*)(srcBuffer);
+ const uint8_t* src_uv = (const uint8_t*)(src_y + (srcHeight * srcWidth));
+ if (srcWidth != dst_width || srcHeight != dst_height)
+ {
+ // RK3288, 1920->640: 2.8~12ms, avg=4ms
+
+ uint8_t* dst_y = (uint8_t*)(in->buffer);
+ uint8_t* dst_uv = (uint8_t*)(dst_y + (dst_height * dst_width));
+
+ libyuv::ScalePlane(src_y, srcWidth,
+ srcWidth, srcHeight,
+ dst_y, dst_width,
+ dst_width, dst_height,
+ libyuv::kFilterNone);
+
+ libyuv::ScalePlane_16((uint16*)src_uv, SUBSAMPLE(srcWidth, 2),
+ SUBSAMPLE(srcWidth, 2), SUBSAMPLE(srcHeight, 2),
+ (uint16*)dst_uv, SUBSAMPLE(dst_width, 2),
+ SUBSAMPLE(dst_width, 2), SUBSAMPLE(dst_height, 2),
+ libyuv::kFilterNone);
+ in->buffSize = dstSizeMax;
+ }
+ else if (srcType == MB_Frame::MBFT_BGRA)
+ {
+ //#todo
+ LOG_ERROR << "srcType only support MBFT_YUV420 and MBFT_NV12" << std::endl;
+ return false;
+ } else
+ {
+ LOG_ERROR << "srcType only support MBFT_YUV420 and MBFT_NV12" << std::endl;
+ return false;
+ }
+ return true;
+ }
}
bool PL_Scale::pay(const PipeMaterial& pm)
@@ -172,7 +201,7 @@
return false;
}
- ret = image_scale(in, (uint8_t*)pm.buffer, pm.buffSize, (MB_Frame::MBFType)(in->config.defaultBytesType),
+ ret = image_scale(in, (uint8_t*)pm.buffer, (MB_Frame::MBFType)(in->config.defaultBytesType),
in->config.defaultBytesWidth, in->config.defaultBytesHeight);
}
break;
@@ -184,7 +213,7 @@
case MB_Frame::MBFT_YUV420:
case MB_Frame::MBFT_BGRA:
in->lastFrame = *frame;
- ret = image_scale(in, (uint8_t*)frame->buffer, frame->buffSize, frame->type,
+ ret = image_scale(in, (uint8_t*)frame->buffer, frame->type,
frame->width, frame->height);
break;
default:
@@ -193,6 +222,32 @@
}
}
break;
+ case PipeMaterial::PMT_PM_LIST:
+ {
+ // break pm list into single pm(s)
+
+ MB_Frame* ppm = (MB_Frame*)pm.buffer;
+ for (size_t i = 0; i < pm.buffSize; i++, ppm++)
+ {
+ if (ppm->type== PipeMaterial::PMT_FRAME)
+ {
+ MB_Frame* frame = (MB_Frame*)ppm->buffer;
+ switch(frame->type)
+ {
+ case MB_Frame::MBFT_YUV420:
+ case MB_Frame::MBFT_BGRA:
+ case MB_Frame::MBFT_NV12:
+ in->lastFrame = *frame;
+ ret = image_scale(in, (uint8_t*)frame->buffer,frame->type,
+ frame->width, frame->height);
+ break;
+ default:
+ LOG_ERROR << "Only support MBFT_YUV420 / MBFT_BGRA" << std::endl;
+ return false;
+ }
+ }
+ }
+ }break;
default:
LOG_ERROR << "Only support PMT_BYTES / PMT_FRAME" << std::endl;
return false;
@@ -220,6 +275,7 @@
}
break;
case PipeMaterial::PMT_FRAME:
+ case PipeMaterial::PMT_PM_LIST:
{
newPm.type = PipeMaterial::PMT_FRAME;
newPm.buffer = &(in->lastFrame);
--
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