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system/nxcodec: modify print usage

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Signed-off-by: yangsen5 <yangsen5@xiaomi.com>
This commit is contained in:
yangsen5 2024-06-13 14:57:51 +08:00 committed by Xiang Xiao
parent b3a424613b
commit 69a56e7260
1 changed files with 32 additions and 14 deletions
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46
system/nxcodec/nxcodec_main.c
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@ -30,6 +30,15 @@
#include "nxcodec.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define NXCODEC_VER "1.00"
#define NXCODEC_WIDTH 640
#define NXCODEC_HEIGHT 480
/****************************************************************************
* Private Data
****************************************************************************/
@ -53,17 +62,17 @@ static const struct option g_long_options[] =
static void usage(FAR const char *progname)
{
printf("Usage: %s [options]\n\n"
"Version 1.3\n"
printf("NxCodec Version: "NXCODEC_VER"\n"
"Usage: %s -d devname -s [wxh] -f [informt] "
"-i infile -f [outformat] -o outfile\n"
"Default settings for decoder parameters\n\n"
"Options:\n"
"-d | --device Video device name\n"
"-s | --size Size of stream\n"
"-h | --help Print this message\n"
"-f | --format Format of stream\n"
"-i | --infile Input filename for M2M devices\n"
"-o | --outfile Outputs stream to filename\n\n"
"eg: nxcodec -d /dev/video1 -s 256x144 \
-f H264 -i input.h264 -f YU12 -o output.yuv\n",
"-o | --outfile Outputs stream to filename\n",
progname);
exit(EXIT_SUCCESS);
@ -86,7 +95,16 @@ int main(int argc, FAR char **argv)
0
};
memset(&codec, 0, sizeof(codec));
/* Default settings for decoder parameters */
codec.output.format.fmt.pix.width =
codec.capture.format.fmt.pix.width = NXCODEC_WIDTH;
codec.output.format.fmt.pix.height =
codec.capture.format.fmt.pix.height = NXCODEC_HEIGHT;
codec.output.format.fmt.pix.pixelformat = V4L2_PIX_FMT_H264;
codec.capture.format.fmt.pix.pixelformat = V4L2_PIX_FMT_YUV420;
while (1)
{
@ -133,8 +151,11 @@ int main(int argc, FAR char **argv)
snprintf(codec.output.filename,
sizeof(codec.output.filename), "%s", optarg);
codec.output.format.fmt.pix.pixelformat =
if (cc[0])
{
codec.output.format.fmt.pix.pixelformat =
v4l2_fourcc(cc[0], cc[1], cc[2], cc[3]);
}
break;
case 'o':
@ -143,8 +164,11 @@ int main(int argc, FAR char **argv)
snprintf(codec.capture.filename,
sizeof(codec.capture.filename), "%s", optarg);
codec.capture.format.fmt.pix.pixelformat =
if (cc[0])
{
codec.capture.format.fmt.pix.pixelformat =
v4l2_fourcc(cc[0], cc[1], cc[2], cc[3]);
}
break;
default:
@ -153,12 +177,6 @@ int main(int argc, FAR char **argv)
}
}
if (argc != optind)
{
printf("Too few input parameter!\n\n");
usage(argv[0]);
}
ret = nxcodec_init(&codec);
if (ret < 0)
{