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[utils]: add mpp_frame write file function to utils

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git-svn-id: https://10.10.10.66:8443/svn/MediaProcessPlatform/trunk/mpp@921 6e48237b-75ef-9749-8fc9-41990f28c85a
This commit is contained in:
ChenHengming
2016-06-16 07:22:48 +00:00
parent 282bd2d59d
commit dfe367b0ff
2 changed files with 49 additions and 1 deletions
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46
utils/utils.c
View File

@@ -25,8 +25,52 @@ void _show_options(int count, OptionInfo *options)
{
int i;
for (i = 0; i < count; i++) {
mpp_log("-%s %s\t\t%s\n",
mpp_log("-%s %-16s\t%s\n",
options[i].name, options[i].argname, options[i].help);
}
}
void dump_mpp_frame_to_file(MppFrame frame, FILE *fp)
{
RK_U32 width = 0;
RK_U32 height = 0;
RK_U32 h_stride = 0;
RK_U32 v_stride = 0;
MppFrameFormat fmt = MPP_FMT_YUV420SP;
MppBuffer buffer = NULL;
RK_U8 *base = NULL;
if (NULL == fp || NULL == frame)
return ;
width = mpp_frame_get_width(frame);
height = mpp_frame_get_height(frame);
h_stride = mpp_frame_get_hor_stride(frame);
v_stride = mpp_frame_get_ver_stride(frame);
fmt = mpp_frame_get_fmt(frame);
buffer = mpp_frame_get_buffer(frame);
if (NULL == buffer)
return ;
base = (RK_U8 *)mpp_buffer_get_ptr(buffer);
switch (fmt) {
case MPP_FMT_YUV420SP : {
RK_U32 i;
RK_U8 *base_y = base;
RK_U8 *base_c = base + h_stride * v_stride;
for (i = 0; i < height; i++, base_y += h_stride) {
fwrite(base_y, 1, width, fp);
}
for (i = 0; i < height / 2; i++, base_c += h_stride) {
fwrite(base_c, 1, width, fp);
}
} break;
default : {
mpp_err("not supported format %d\n", fmt);
} break;
}
}

4
utils/utils.h
View File

@@ -17,6 +17,9 @@
#ifndef __UTILS_H__
#define __UTILS_H__
#include <stdio.h>
#include "mpp_frame.h"
typedef struct OptionInfo_t {
const char* name;
const char* argname;
@@ -33,6 +36,7 @@ extern "C" {
#endif
void _show_options(int count, OptionInfo *options);
void dump_mpp_frame_to_file(MppFrame frame, FILE *fp);
#ifdef __cplusplus
}