Commit a896d7f4 authored by Luca Barbato's avatar Luca Barbato
Browse files

v4l2: cosmetics

parent 21aa6ae4
...@@ -117,10 +117,11 @@ static int device_open(AVFormatContext *ctx, uint32_t *capabilities) ...@@ -117,10 +117,11 @@ static int device_open(AVFormatContext *ctx, uint32_t *capabilities)
if (ctx->flags & AVFMT_FLAG_NONBLOCK) { if (ctx->flags & AVFMT_FLAG_NONBLOCK) {
flags |= O_NONBLOCK; flags |= O_NONBLOCK;
} }
fd = open(ctx->filename, flags, 0); fd = open(ctx->filename, flags, 0);
if (fd < 0) { if (fd < 0) {
av_log(ctx, AV_LOG_ERROR, "Cannot open video device %s : %s\n", av_log(ctx, AV_LOG_ERROR, "Cannot open video device %s : %s\n",
ctx->filename, strerror(errno)); ctx->filename, strerror(errno));
return AVERROR(errno); return AVERROR(errno);
} }
...@@ -128,11 +129,14 @@ static int device_open(AVFormatContext *ctx, uint32_t *capabilities) ...@@ -128,11 +129,14 @@ static int device_open(AVFormatContext *ctx, uint32_t *capabilities)
res = ioctl(fd, VIDIOC_QUERYCAP, &cap); res = ioctl(fd, VIDIOC_QUERYCAP, &cap);
// ENOIOCTLCMD definition only availble on __KERNEL__ // ENOIOCTLCMD definition only availble on __KERNEL__
if (res < 0 && ((err = errno) == 515)) { if (res < 0 && ((err = errno) == 515)) {
av_log(ctx, AV_LOG_ERROR, "QUERYCAP not implemented, probably V4L device but not supporting V4L2\n"); av_log(ctx, AV_LOG_ERROR,
"QUERYCAP not implemented, probably V4L device but "
"not supporting V4L2\n");
close(fd); close(fd);
return AVERROR(515); return AVERROR(515);
} }
if (res < 0) { if (res < 0) {
av_log(ctx, AV_LOG_ERROR, "ioctl(VIDIOC_QUERYCAP): %s\n", av_log(ctx, AV_LOG_ERROR, "ioctl(VIDIOC_QUERYCAP): %s\n",
strerror(errno)); strerror(errno));
...@@ -140,39 +144,52 @@ static int device_open(AVFormatContext *ctx, uint32_t *capabilities) ...@@ -140,39 +144,52 @@ static int device_open(AVFormatContext *ctx, uint32_t *capabilities)
return AVERROR(err); return AVERROR(err);
} }
if ((cap.capabilities & V4L2_CAP_VIDEO_CAPTURE) == 0) { if ((cap.capabilities & V4L2_CAP_VIDEO_CAPTURE) == 0) {
av_log(ctx, AV_LOG_ERROR, "Not a video capture device\n"); av_log(ctx, AV_LOG_ERROR, "Not a video capture device\n");
close(fd); close(fd);
return AVERROR(ENODEV); return AVERROR(ENODEV);
} }
*capabilities = cap.capabilities; *capabilities = cap.capabilities;
return fd; return fd;
} }
static int device_init(AVFormatContext *ctx, int *width, int *height, uint32_t pix_fmt) static int device_init(AVFormatContext *ctx, int *width, int *height,
uint32_t pix_fmt)
{ {
struct video_data *s = ctx->priv_data; struct video_data *s = ctx->priv_data;
int fd = s->fd; int fd = s->fd;
struct v4l2_format fmt; struct v4l2_format fmt;
struct v4l2_pix_format *pix = &fmt.fmt.pix;
int res; int res;
memset(&fmt, 0, sizeof(struct v4l2_format)); memset(&fmt, 0, sizeof(struct v4l2_format));
fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
fmt.fmt.pix.width = *width; pix->width = *width;
fmt.fmt.pix.height = *height; pix->height = *height;
fmt.fmt.pix.pixelformat = pix_fmt; pix->pixelformat = pix_fmt;
fmt.fmt.pix.field = V4L2_FIELD_ANY; pix->field = V4L2_FIELD_ANY;
res = ioctl(fd, VIDIOC_S_FMT, &fmt); res = ioctl(fd, VIDIOC_S_FMT, &fmt);
if ((*width != fmt.fmt.pix.width) || (*height != fmt.fmt.pix.height)) { if ((*width != fmt.fmt.pix.width) || (*height != fmt.fmt.pix.height)) {
av_log(ctx, AV_LOG_INFO, "The V4L2 driver changed the video from %dx%d to %dx%d\n", *width, *height, fmt.fmt.pix.width, fmt.fmt.pix.height); av_log(ctx, AV_LOG_INFO,
"The V4L2 driver changed the video from %dx%d to %dx%d\n",
*width, *height, fmt.fmt.pix.width, fmt.fmt.pix.height);
*width = fmt.fmt.pix.width; *width = fmt.fmt.pix.width;
*height = fmt.fmt.pix.height; *height = fmt.fmt.pix.height;
} }
if (pix_fmt != fmt.fmt.pix.pixelformat) { if (pix_fmt != fmt.fmt.pix.pixelformat) {
av_log(ctx, AV_LOG_DEBUG, "The V4L2 driver changed the pixel format from 0x%08X to 0x%08X\n", pix_fmt, fmt.fmt.pix.pixelformat); av_log(ctx, AV_LOG_DEBUG,
"The V4L2 driver changed the pixel format "
"from 0x%08X to 0x%08X\n",
pix_fmt, fmt.fmt.pix.pixelformat);
res = -1; res = -1;
} }
...@@ -300,12 +317,16 @@ static int mmap_init(AVFormatContext *ctx) ...@@ -300,12 +317,16 @@ static int mmap_init(AVFormatContext *ctx)
s->buf_len[i] = buf.length; s->buf_len[i] = buf.length;
if (s->frame_size > 0 && s->buf_len[i] < s->frame_size) { if (s->frame_size > 0 && s->buf_len[i] < s->frame_size) {
av_log(ctx, AV_LOG_ERROR, "Buffer len [%d] = %d != %d\n", i, s->buf_len[i], s->frame_size); av_log(ctx, AV_LOG_ERROR,
"Buffer len [%d] = %d != %d\n",
i, s->buf_len[i], s->frame_size);
return -1; return -1;
} }
s->buf_start[i] = mmap (NULL, buf.length, s->buf_start[i] = mmap(NULL, buf.length,
PROT_READ | PROT_WRITE, MAP_SHARED, s->fd, buf.m.offset); PROT_READ | PROT_WRITE, MAP_SHARED,
s->fd, buf.m.offset);
if (s->buf_start[i] == MAP_FAILED) { if (s->buf_start[i] == MAP_FAILED) {
av_log(ctx, AV_LOG_ERROR, "mmap: %s\n", strerror(errno)); av_log(ctx, AV_LOG_ERROR, "mmap: %s\n", strerror(errno));
...@@ -327,9 +348,8 @@ static void mmap_release_buffer(AVPacket *pkt) ...@@ -327,9 +348,8 @@ static void mmap_release_buffer(AVPacket *pkt)
int res, fd; int res, fd;
struct buff_data *buf_descriptor = pkt->priv; struct buff_data *buf_descriptor = pkt->priv;
if (pkt->data == NULL) { if (pkt->data == NULL)
return; return;
}
memset(&buf, 0, sizeof(struct v4l2_buffer)); memset(&buf, 0, sizeof(struct v4l2_buffer));
buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
...@@ -339,9 +359,10 @@ static void mmap_release_buffer(AVPacket *pkt) ...@@ -339,9 +359,10 @@ static void mmap_release_buffer(AVPacket *pkt)
av_free(buf_descriptor); av_free(buf_descriptor);
res = ioctl(fd, VIDIOC_QBUF, &buf); res = ioctl(fd, VIDIOC_QBUF, &buf);
if (res < 0) { if (res < 0)
av_log(NULL, AV_LOG_ERROR, "ioctl(VIDIOC_QBUF): %s\n", strerror(errno)); av_log(NULL, AV_LOG_ERROR, "ioctl(VIDIOC_QBUF): %s\n",
} strerror(errno));
pkt->data = NULL; pkt->data = NULL;
pkt->size = 0; pkt->size = 0;
} }
...@@ -365,13 +386,16 @@ static int mmap_read_frame(AVFormatContext *ctx, AVPacket *pkt) ...@@ -365,13 +386,16 @@ static int mmap_read_frame(AVFormatContext *ctx, AVPacket *pkt)
return AVERROR(EAGAIN); return AVERROR(EAGAIN);
} }
av_log(ctx, AV_LOG_ERROR, "ioctl(VIDIOC_DQBUF): %s\n", strerror(errno)); av_log(ctx, AV_LOG_ERROR, "ioctl(VIDIOC_DQBUF): %s\n",
strerror(errno));
return AVERROR(errno); return AVERROR(errno);
} }
assert (buf.index < s->buffers); assert (buf.index < s->buffers);
if (s->frame_size > 0 && buf.bytesused != s->frame_size) { if (s->frame_size > 0 && buf.bytesused != s->frame_size) {
av_log(ctx, AV_LOG_ERROR, "The v4l2 frame is %d bytes, but %d bytes are expected\n", buf.bytesused, s->frame_size); av_log(ctx, AV_LOG_ERROR,
"The v4l2 frame is %d bytes, but %d bytes are expected\n",
buf.bytesused, s->frame_size);
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
} }
...@@ -419,7 +443,8 @@ static int mmap_start(AVFormatContext *ctx) ...@@ -419,7 +443,8 @@ static int mmap_start(AVFormatContext *ctx)
res = ioctl(s->fd, VIDIOC_QBUF, &buf); res = ioctl(s->fd, VIDIOC_QBUF, &buf);
if (res < 0) { if (res < 0) {
av_log(ctx, AV_LOG_ERROR, "ioctl(VIDIOC_QBUF): %s\n", strerror(errno)); av_log(ctx, AV_LOG_ERROR, "ioctl(VIDIOC_QBUF): %s\n",
strerror(errno));
return AVERROR(errno); return AVERROR(errno);
} }
...@@ -428,7 +453,8 @@ static int mmap_start(AVFormatContext *ctx) ...@@ -428,7 +453,8 @@ static int mmap_start(AVFormatContext *ctx)
type = V4L2_BUF_TYPE_VIDEO_CAPTURE; type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
res = ioctl(s->fd, VIDIOC_STREAMON, &type); res = ioctl(s->fd, VIDIOC_STREAMON, &type);
if (res < 0) { if (res < 0) {
av_log(ctx, AV_LOG_ERROR, "ioctl(VIDIOC_STREAMON): %s\n", strerror(errno)); av_log(ctx, AV_LOG_ERROR, "ioctl(VIDIOC_STREAMON): %s\n",
strerror(errno));
return AVERROR(errno); return AVERROR(errno);
} }
...@@ -465,8 +491,10 @@ static int v4l2_set_parameters(AVFormatContext *s1, AVFormatParameters *ap) ...@@ -465,8 +491,10 @@ static int v4l2_set_parameters(AVFormatContext *s1, AVFormatParameters *ap)
streamparm.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; streamparm.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
if (s->framerate && (ret = av_parse_video_rate(&framerate_q, s->framerate)) < 0) { if (s->framerate &&
av_log(s1, AV_LOG_ERROR, "Could not parse framerate '%s'.\n", s->framerate); (ret = av_parse_video_rate(&framerate_q, s->framerate)) < 0) {
av_log(s1, AV_LOG_ERROR, "Could not parse framerate '%s'.\n",
s->framerate);
return ret; return ret;
} }
...@@ -481,7 +509,8 @@ static int v4l2_set_parameters(AVFormatContext *s1, AVFormatParameters *ap) ...@@ -481,7 +509,8 @@ static int v4l2_set_parameters(AVFormatContext *s1, AVFormatParameters *ap)
av_log(s1, AV_LOG_DEBUG, "The V4L2 driver set input_id: %d, input: %s\n", av_log(s1, AV_LOG_DEBUG, "The V4L2 driver set input_id: %d, input: %s\n",
s->channel, input.name); s->channel, input.name);
if (ioctl(s->fd, VIDIOC_S_INPUT, &input.index) < 0) { if (ioctl(s->fd, VIDIOC_S_INPUT, &input.index) < 0) {
av_log(s1, AV_LOG_ERROR, "The V4L2 driver ioctl set input(%d) failed\n", av_log(s1, AV_LOG_ERROR,
"The V4L2 driver ioctl set input(%d) failed\n",
s->channel); s->channel);
return AVERROR(EIO); return AVERROR(EIO);
} }
...@@ -494,7 +523,8 @@ static int v4l2_set_parameters(AVFormatContext *s1, AVFormatParameters *ap) ...@@ -494,7 +523,8 @@ static int v4l2_set_parameters(AVFormatContext *s1, AVFormatParameters *ap)
for(i=0;;i++) { for(i=0;;i++) {
standard.index = i; standard.index = i;
if (ioctl(s->fd, VIDIOC_ENUMSTD, &standard) < 0) { if (ioctl(s->fd, VIDIOC_ENUMSTD, &standard) < 0) {
av_log(s1, AV_LOG_ERROR, "The V4L2 driver ioctl set standard(%s) failed\n", av_log(s1, AV_LOG_ERROR,
"The V4L2 driver ioctl set standard(%s) failed\n",
s->standard); s->standard);
return AVERROR(EIO); return AVERROR(EIO);
} }
...@@ -504,10 +534,12 @@ static int v4l2_set_parameters(AVFormatContext *s1, AVFormatParameters *ap) ...@@ -504,10 +534,12 @@ static int v4l2_set_parameters(AVFormatContext *s1, AVFormatParameters *ap)
} }
} }
av_log(s1, AV_LOG_DEBUG, "The V4L2 driver set standard: %s, id: %"PRIu64"\n", av_log(s1, AV_LOG_DEBUG,
"The V4L2 driver set standard: %s, id: %"PRIu64"\n",
s->standard, (uint64_t)standard.id); s->standard, (uint64_t)standard.id);
if (ioctl(s->fd, VIDIOC_S_STD, &standard.id) < 0) { if (ioctl(s->fd, VIDIOC_S_STD, &standard.id) < 0) {
av_log(s1, AV_LOG_ERROR, "The V4L2 driver ioctl set standard(%s) failed\n", av_log(s1, AV_LOG_ERROR,
"The V4L2 driver ioctl set standard(%s) failed\n",
s->standard); s->standard);
return AVERROR(EIO); return AVERROR(EIO);
} }
...@@ -518,6 +550,7 @@ static int v4l2_set_parameters(AVFormatContext *s1, AVFormatParameters *ap) ...@@ -518,6 +550,7 @@ static int v4l2_set_parameters(AVFormatContext *s1, AVFormatParameters *ap)
framerate_q.den, framerate_q.num); framerate_q.den, framerate_q.num);
tpf->numerator = framerate_q.den; tpf->numerator = framerate_q.den;
tpf->denominator = framerate_q.num; tpf->denominator = framerate_q.num;
if (ioctl(s->fd, VIDIOC_S_PARM, &streamparm) != 0) { if (ioctl(s->fd, VIDIOC_S_PARM, &streamparm) != 0) {
av_log(s1, AV_LOG_ERROR, av_log(s1, AV_LOG_ERROR,
"ioctl set time per frame(%d/%d) failed\n", "ioctl set time per frame(%d/%d) failed\n",
...@@ -528,14 +561,15 @@ static int v4l2_set_parameters(AVFormatContext *s1, AVFormatParameters *ap) ...@@ -528,14 +561,15 @@ static int v4l2_set_parameters(AVFormatContext *s1, AVFormatParameters *ap)
if (framerate_q.num != tpf->denominator || if (framerate_q.num != tpf->denominator ||
framerate_q.den != tpf->numerator) { framerate_q.den != tpf->numerator) {
av_log(s1, AV_LOG_INFO, av_log(s1, AV_LOG_INFO,
"The driver changed the time per frame from %d/%d to %d/%d\n", "The driver changed the time per frame from "
"%d/%d to %d/%d\n",
framerate_q.den, framerate_q.num, framerate_q.den, framerate_q.num,
tpf->numerator, tpf->denominator); tpf->numerator, tpf->denominator);
} }
} else { } else {
/* if timebase value is not set, read the timebase value from the driver */
if (ioctl(s->fd, VIDIOC_G_PARM, &streamparm) != 0) { if (ioctl(s->fd, VIDIOC_G_PARM, &streamparm) != 0) {
av_log(s1, AV_LOG_ERROR, "ioctl(VIDIOC_G_PARM): %s\n", strerror(errno)); av_log(s1, AV_LOG_ERROR, "ioctl(VIDIOC_G_PARM): %s\n",
strerror(errno));
return AVERROR(errno); return AVERROR(errno);
} }
} }
...@@ -569,6 +603,7 @@ static uint32_t device_try_init(AVFormatContext *s1, ...@@ -569,6 +603,7 @@ static uint32_t device_try_init(AVFormatContext *s1,
} }
} }
} }
if (desired_format != 0) { if (desired_format != 0) {
*codec_id = fmt_v4l2codec(desired_format); *codec_id = fmt_v4l2codec(desired_format);
assert(*codec_id != CODEC_ID_NONE); assert(*codec_id != CODEC_ID_NONE);
...@@ -582,7 +617,7 @@ static int v4l2_read_header(AVFormatContext *s1, AVFormatParameters *ap) ...@@ -582,7 +617,7 @@ static int v4l2_read_header(AVFormatContext *s1, AVFormatParameters *ap)
struct video_data *s = s1->priv_data; struct video_data *s = s1->priv_data;
AVStream *st; AVStream *st;
int res = 0; int res = 0;
uint32_t desired_format, capabilities; uint32_t desired_format, capabilities = 0;
enum CodecID codec_id; enum CodecID codec_id;
enum PixelFormat pix_fmt = PIX_FMT_NONE; enum PixelFormat pix_fmt = PIX_FMT_NONE;
...@@ -591,19 +626,23 @@ static int v4l2_read_header(AVFormatContext *s1, AVFormatParameters *ap) ...@@ -591,19 +626,23 @@ static int v4l2_read_header(AVFormatContext *s1, AVFormatParameters *ap)
res = AVERROR(ENOMEM); res = AVERROR(ENOMEM);
goto out; goto out;
} }
avpriv_set_pts_info(st, 64, 1, 1000000); /* 64 bits pts in us */ avpriv_set_pts_info(st, 64, 1, 1000000); /* 64 bits pts in us */
if (s->video_size && (res = av_parse_video_size(&s->width, &s->height, s->video_size)) < 0) { if (s->video_size &&
av_log(s1, AV_LOG_ERROR, "Could not parse video size '%s'.\n", s->video_size); (res = av_parse_video_size(&s->width, &s->height, s->video_size)) < 0) {
av_log(s1, AV_LOG_ERROR, "Could not parse video size '%s'.\n",
s->video_size);
goto out; goto out;
} }
if (s->pixel_format && (pix_fmt = av_get_pix_fmt(s->pixel_format)) == PIX_FMT_NONE) { if (s->pixel_format &&
av_log(s1, AV_LOG_ERROR, "No such pixel format: %s.\n", s->pixel_format); (pix_fmt = av_get_pix_fmt(s->pixel_format)) == PIX_FMT_NONE) {
av_log(s1, AV_LOG_ERROR, "No such pixel format: %s.\n",
s->pixel_format);
res = AVERROR(EINVAL); res = AVERROR(EINVAL);
goto out; goto out;
} }
capabilities = 0;
s->fd = device_open(s1, &capabilities); s->fd = device_open(s1, &capabilities);
if (s->fd < 0) { if (s->fd < 0) {
res = AVERROR(EIO); res = AVERROR(EIO);
...@@ -614,19 +653,24 @@ static int v4l2_read_header(AVFormatContext *s1, AVFormatParameters *ap) ...@@ -614,19 +653,24 @@ static int v4l2_read_header(AVFormatContext *s1, AVFormatParameters *ap)
if (!s->width && !s->height) { if (!s->width && !s->height) {
struct v4l2_format fmt; struct v4l2_format fmt;
av_log(s1, AV_LOG_VERBOSE, "Querying the device for the current frame size\n"); av_log(s1, AV_LOG_VERBOSE,
"Querying the device for the current frame size\n");
fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
if (ioctl(s->fd, VIDIOC_G_FMT, &fmt) < 0) { if (ioctl(s->fd, VIDIOC_G_FMT, &fmt) < 0) {
av_log(s1, AV_LOG_ERROR, "ioctl(VIDIOC_G_FMT): %s\n", strerror(errno)); av_log(s1, AV_LOG_ERROR, "ioctl(VIDIOC_G_FMT): %s\n",
strerror(errno));
res = AVERROR(errno); res = AVERROR(errno);
goto out; goto out;
} }
s->width = fmt.fmt.pix.width; s->width = fmt.fmt.pix.width;
s->height = fmt.fmt.pix.height; s->height = fmt.fmt.pix.height;
av_log(s1, AV_LOG_VERBOSE, "Setting frame size to %dx%d\n", s->width, s->height); av_log(s1, AV_LOG_VERBOSE,
"Setting frame size to %dx%d\n", s->width, s->height);
} }
desired_format = device_try_init(s1, pix_fmt, &s->width, &s->height, &codec_id); desired_format = device_try_init(s1, pix_fmt, &s->width, &s->height,
&codec_id);
if (desired_format == 0) { if (desired_format == 0) {
av_log(s1, AV_LOG_ERROR, "Cannot find a proper format for " av_log(s1, AV_LOG_ERROR, "Cannot find a proper format for "
"codec_id %d, pix_fmt %d.\n", s1->video_codec_id, pix_fmt); "codec_id %d, pix_fmt %d.\n", s1->video_codec_id, pix_fmt);
...@@ -635,15 +679,19 @@ static int v4l2_read_header(AVFormatContext *s1, AVFormatParameters *ap) ...@@ -635,15 +679,19 @@ static int v4l2_read_header(AVFormatContext *s1, AVFormatParameters *ap)
res = AVERROR(EIO); res = AVERROR(EIO);
goto out; goto out;
} }
if ((res = av_image_check_size(s->width, s->height, 0, s1) < 0)) if ((res = av_image_check_size(s->width, s->height, 0, s1) < 0))
goto out; goto out;
s->frame_format = desired_format; s->frame_format = desired_format;
if ((res = v4l2_set_parameters(s1, ap) < 0)) if ((res = v4l2_set_parameters(s1, ap) < 0))
goto out; goto out;
st->codec->pix_fmt = fmt_v4l2ff(desired_format, codec_id); st->codec->pix_fmt = fmt_v4l2ff(desired_format, codec_id);
s->frame_size = avpicture_get_size(st->codec->pix_fmt, s->width, s->height); s->frame_size =
avpicture_get_size(st->codec->pix_fmt, s->width, s->height);
if (capabilities & V4L2_CAP_STREAMING) { if (capabilities & V4L2_CAP_STREAMING) {
s->io_method = io_mmap; s->io_method = io_mmap;
res = mmap_init(s1); res = mmap_init(s1);
...@@ -675,6 +723,7 @@ out: ...@@ -675,6 +723,7 @@ out:
static int v4l2_read_packet(AVFormatContext *s1, AVPacket *pkt) static int v4l2_read_packet(AVFormatContext *s1, AVPacket *pkt)
{ {
struct video_data *s = s1->priv_data; struct video_data *s = s1->priv_data;
AVFrame *frame = s1->streams[0]->codec->coded_frame;
int res; int res;
if (s->io_method == io_mmap) { if (s->io_method == io_mmap) {
...@@ -692,9 +741,9 @@ static int v4l2_read_packet(AVFormatContext *s1, AVPacket *pkt) ...@@ -692,9 +741,9 @@ static int v4l2_read_packet(AVFormatContext *s1, AVPacket *pkt)
return res; return res;
} }
if (s1->streams[0]->codec->coded_frame && s->interlaced) { if (frame && s->interlaced) {
s1->streams[0]->codec->coded_frame->interlaced_frame = 1; frame->interlaced_frame = 1;
s1->streams[0]->codec->coded_frame->top_field_first = s->top_field_first; frame->top_field_first = s->top_field_first;
} }
return pkt->size; return pkt->size;
......
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