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[utils]: Optimize YUV422SP frame write function

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When decoding 422 source the YUV422 frame is default in YUV422SP mode.
But software like vooya does not support this format. So we change it to
YUV422P format for better user experience.

Change-Id: I103445470db5e6dd46ff1dc2cb705ae7e47bd8bc
Signed-off-by: Herman Chen <herman.chen@rock-chips.com>
This commit is contained in:
Herman Chen
2018-11-20 11:39:55 +08:00
parent 455832480f
commit a0f76729d5
1 changed files with 16 additions and 4 deletions
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20
utils/utils.c
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@@ -58,16 +58,28 @@ void dump_mpp_frame_to_file(MppFrame frame, FILE *fp)
switch (fmt) { switch (fmt) {
case MPP_FMT_YUV422SP : { case MPP_FMT_YUV422SP : {
RK_U32 i; /* YUV422SP -> YUV422P for better display */
RK_U32 i, j;
RK_U8 *base_y = base; RK_U8 *base_y = base;
RK_U8 *base_c = base + h_stride * v_stride; RK_U8 *base_c = base + h_stride * v_stride;
RK_U8 *tmp = mpp_malloc(RK_U8, h_stride * height * 2);
RK_U8 *tmp_u = tmp;
RK_U8 *tmp_v = tmp + width * height / 2;
for (i = 0; i < height; i++, base_y += h_stride) { for (i = 0; i < height; i++, base_y += h_stride)
fwrite(base_y, 1, width, fp); fwrite(base_y, 1, width, fp);
}
for (i = 0; i < height; i++, base_c += h_stride) { for (i = 0; i < height; i++, base_c += h_stride) {
fwrite(base_c, 1, width, fp); for (j = 0; j < width / 2; j++) {
tmp_u[j] = base_c[2 * j + 0];
tmp_v[j] = base_c[2 * j + 1];
} }
tmp_u += width / 2;
tmp_v += width / 2;
}
fwrite(tmp, 1, width * height, fp);
mpp_free(tmp);
} break; } break;
case MPP_FMT_YUV420SP : { case MPP_FMT_YUV420SP : {
RK_U32 i; RK_U32 i;