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-rw-r--r--v4l2-apps/libv4l/ChangeLog6
-rw-r--r--v4l2-apps/libv4l/Makefile2
-rw-r--r--v4l2-apps/libv4l/libv4l2/libv4l2.c5
-rw-r--r--v4l2-apps/libv4l/libv4l2/log.c71
-rw-r--r--v4l2-apps/libv4l/libv4lconvert/libv4lconvert.c53
5 files changed, 127 insertions, 10 deletions
diff --git a/v4l2-apps/libv4l/ChangeLog b/v4l2-apps/libv4l/ChangeLog
index a2c598d08..e2c8c43c4 100644
--- a/v4l2-apps/libv4l/ChangeLog
+++ b/v4l2-apps/libv4l/ChangeLog
@@ -1,3 +1,9 @@
+libv4l-0.5.7
+------------
+* Fix a nasty (and stupid) bug in the special try_fmt handling for UVC cams
+* Add some more verbose logging of various calls when asking libv4l to log
+ calls to a file, to assist in (future) debugging
+
libv4l-0.5.6
------------
* Always do a s_fmt on uvc cams even if this changes nothing, as not doing
diff --git a/v4l2-apps/libv4l/Makefile b/v4l2-apps/libv4l/Makefile
index 55b3744ea..09177aabb 100644
--- a/v4l2-apps/libv4l/Makefile
+++ b/v4l2-apps/libv4l/Makefile
@@ -1,5 +1,5 @@
LIB_RELEASE=0
-V4L2_LIB_VERSION=$(LIB_RELEASE).5.6
+V4L2_LIB_VERSION=$(LIB_RELEASE).5.7
all clean install:
$(MAKE) -C libv4lconvert V4L2_LIB_VERSION=$(V4L2_LIB_VERSION) $@
diff --git a/v4l2-apps/libv4l/libv4l2/libv4l2.c b/v4l2-apps/libv4l/libv4l2/libv4l2.c
index 720e91975..b6ddef6e8 100644
--- a/v4l2-apps/libv4l/libv4l2/libv4l2.c
+++ b/v4l2-apps/libv4l/libv4l2/libv4l2.c
@@ -760,6 +760,9 @@ int v4l2_ioctl (int fd, unsigned long int request, ...)
case VIDIOC_ENUM_FRAMEINTERVALS:
result = v4lconvert_enum_frameintervals(devices[index].convert, arg);
+ if (result)
+ V4L2_LOG("ENUM_FRAMEINTERVALS Error: %s",
+ v4lconvert_get_error_message(devices[index].convert));
break;
case VIDIOC_TRY_FMT:
@@ -949,7 +952,7 @@ int v4l2_ioctl (int fd, unsigned long int request, ...)
but we need the buffer _now_ to write our converted data
to it! */
if (devices[index].convert_mmap_buf == MAP_FAILED) {
- devices[index].convert_mmap_buf = (void *)syscall(SYS_mmap2,
+ devices[index].convert_mmap_buf = (void *)syscall(SYS_mmap2, NULL,
(size_t)(
devices[index].no_frames *
V4L2_FRAME_BUF_SIZE),
diff --git a/v4l2-apps/libv4l/libv4l2/log.c b/v4l2-apps/libv4l/libv4l2/log.c
index 437b51d3e..c086ef736 100644
--- a/v4l2-apps/libv4l/libv4l2/log.c
+++ b/v4l2-apps/libv4l/libv4l2/log.c
@@ -91,6 +91,10 @@ static const char *v4l2_ioctls[] = {
[_IOC_NR(VIDIOC_G_EXT_CTRLS)] = "VIDIOC_G_EXT_CTRLS",
[_IOC_NR(VIDIOC_S_EXT_CTRLS)] = "VIDIOC_S_EXT_CTRLS",
[_IOC_NR(VIDIOC_TRY_EXT_CTRLS)] = "VIDIOC_TRY_EXT_CTRLS",
+#ifdef VIDIOC_ENUM_FRAMESIZES
+ [_IOC_NR(VIDIOC_ENUM_FRAMESIZES)] = "VIDIOC_ENUM_FRAMESIZES",
+ [_IOC_NR(VIDIOC_ENUM_FRAMEINTERVALS)] = "VIDIOC_ENUM_FRAMEINTERVALS",
+#endif
};
void v4l2_log_ioctl(unsigned long int request, void *arg, int result)
@@ -105,7 +109,7 @@ void v4l2_log_ioctl(unsigned long int request, void *arg, int result)
if (_IOC_TYPE(request) == 'V' && _IOC_NR(request) < ARRAY_SIZE(v4l2_ioctls))
ioctl_str = v4l2_ioctls[_IOC_NR(request)];
else {
- snprintf(buf, sizeof(buf), "unknown request: %c %d\n",
+ snprintf(buf, sizeof(buf), "unknown request: %c %d",
(int)_IOC_TYPE(request), (int)_IOC_NR(request));
ioctl_str = buf;
}
@@ -113,11 +117,18 @@ void v4l2_log_ioctl(unsigned long int request, void *arg, int result)
fprintf(v4l2_log_file, "request == %s\n", ioctl_str);
switch (request) {
+ case VIDIOC_ENUM_FMT:
+ {
+ struct v4l2_fmtdesc *fmt = arg;
+ fprintf(v4l2_log_file, " index: %u, description: %s\n",
+ fmt->index, (result < 0) ? "" : fmt->description);
+ }
+ break;
case VIDIOC_G_FMT:
case VIDIOC_S_FMT:
case VIDIOC_TRY_FMT:
{
- struct v4l2_format* fmt = arg;
+ struct v4l2_format *fmt = arg;
int pixfmt = fmt->fmt.pix.pixelformat;
if (fmt->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
@@ -144,6 +155,62 @@ void v4l2_log_ioctl(unsigned long int request, void *arg, int result)
req->count, (int)req->type, (int)req->memory);
}
break;
+#ifdef VIDIOC_ENUM_FRAMESIZES
+ case VIDIOC_ENUM_FRAMESIZES:
+ {
+ struct v4l2_frmsizeenum *frmsize = arg;
+ int pixfmt = frmsize->pixel_format;
+
+ fprintf(v4l2_log_file, " index: %u pixelformat: %c%c%c%c",
+ frmsize->index,
+ pixfmt & 0xff,
+ (pixfmt >> 8) & 0xff,
+ (pixfmt >> 16) & 0xff,
+ pixfmt >> 24);
+ switch (frmsize->type) {
+ case V4L2_FRMSIZE_TYPE_DISCRETE:
+ fprintf(v4l2_log_file, " %ux%u\n", frmsize->discrete.width,
+ frmsize->discrete.height);
+ break;
+ case V4L2_FRMSIZE_TYPE_CONTINUOUS:
+ case V4L2_FRMSIZE_TYPE_STEPWISE:
+ fprintf(v4l2_log_file, " %ux%u -> %ux%u\n",
+ frmsize->stepwise.min_width, frmsize->stepwise.min_height,
+ frmsize->stepwise.max_width, frmsize->stepwise.max_height);
+ break;
+ }
+ }
+ break;
+ case VIDIOC_ENUM_FRAMEINTERVALS:
+ {
+ struct v4l2_frmivalenum *frmival = arg;
+ int pixfmt = frmival->pixel_format;
+
+ fprintf(v4l2_log_file, " index: %u pixelformat: %c%c%c%c %ux%u: ",
+ frmival->index,
+ pixfmt & 0xff,
+ (pixfmt >> 8) & 0xff,
+ (pixfmt >> 16) & 0xff,
+ pixfmt >> 24,
+ frmival->width,
+ frmival->height);
+ switch (frmival->type) {
+ case V4L2_FRMIVAL_TYPE_DISCRETE:
+ fprintf(v4l2_log_file, "%u/%u\n", frmival->discrete.numerator,
+ frmival->discrete.denominator);
+ break;
+ case V4L2_FRMIVAL_TYPE_CONTINUOUS:
+ case V4L2_FRMIVAL_TYPE_STEPWISE:
+ fprintf(v4l2_log_file, "%u/%u -> %u/%u\n",
+ frmival->stepwise.min.numerator,
+ frmival->stepwise.min.denominator,
+ frmival->stepwise.max.numerator,
+ frmival->stepwise.max.denominator);
+ break;
+ }
+ }
+ break;
+#endif
}
if (result < 0)
diff --git a/v4l2-apps/libv4l/libv4lconvert/libv4lconvert.c b/v4l2-apps/libv4l/libv4lconvert/libv4lconvert.c
index 6ec525769..889f7463a 100644
--- a/v4l2-apps/libv4l/libv4lconvert/libv4lconvert.c
+++ b/v4l2-apps/libv4l/libv4lconvert/libv4lconvert.c
@@ -209,8 +209,11 @@ static int v4lconvert_do_try_format_uvc(struct v4lconvert_data *data,
data->framesizes[i].discrete.height;
unsigned int size_diff = size_x_diff * size_x_diff +
size_y_diff * size_y_diff;
- if (size_diff < closest_fmt_size_diff)
+
+ if (size_diff < closest_fmt_size_diff) {
+ closest_fmt_size_diff = size_diff;
best_framesize = i;
+ }
}
}
@@ -452,7 +455,7 @@ static int v4lconvert_convert_pixfmt(struct v4lconvert_data *data,
/* Check for (pixart) rotated JPEG */
if (header_width == height && header_height == width) {
if (!(data->flags & V4LCONVERT_ROTATE_90)) {
- V4LCONVERT_ERR("JPEG needs 90 degree rotation");
+ V4LCONVERT_ERR("JPEG needs 90 degree rotation\n");
data->flags |= V4LCONVERT_ROTATE_90;
errno = EAGAIN;
return -1;
@@ -497,7 +500,7 @@ static int v4lconvert_convert_pixfmt(struct v4lconvert_data *data,
the upper layer this is an intermediate fault and it should try
again with a new buffer by setting errno to EAGAIN */
if (src_pix_fmt == V4L2_PIX_FMT_PJPG) {
- V4LCONVERT_ERR("Error decompressing JPEG: %s",
+ V4LCONVERT_ERR("decompressing JPEG: %s",
tinyjpeg_get_errorstring(data->jdec));
errno = EAGAIN;
return -1;
@@ -923,8 +926,12 @@ int v4lconvert_enum_frameintervals(struct v4lconvert_data *data,
int res;
struct v4l2_format src_fmt, dest_fmt;
- if (!v4lconvert_supported_dst_format(frmival->pixel_format))
- return syscall(SYS_ioctl, data->fd, VIDIOC_ENUM_FRAMEINTERVALS, frmival);
+ if (!v4lconvert_supported_dst_format(frmival->pixel_format)) {
+ res = syscall(SYS_ioctl, data->fd, VIDIOC_ENUM_FRAMEINTERVALS, frmival);
+ if (res)
+ V4LCONVERT_ERR("%s\n", strerror(errno));
+ return res;
+ }
/* Check which format we will be using to convert to frmival->pixel_format */
memset(&dest_fmt, 0, sizeof(dest_fmt));
@@ -932,13 +939,30 @@ int v4lconvert_enum_frameintervals(struct v4lconvert_data *data,
dest_fmt.fmt.pix.pixelformat = frmival->pixel_format;
dest_fmt.fmt.pix.width = frmival->width;
dest_fmt.fmt.pix.height = frmival->height;
- if ((res = v4lconvert_try_format(data, &dest_fmt, &src_fmt)))
+ if ((res = v4lconvert_try_format(data, &dest_fmt, &src_fmt))) {
+ if (res)
+ V4LCONVERT_ERR("trying format: %s\n", strerror(errno));
return res;
+ }
/* Check the requested format is supported exactly as requested */
if (dest_fmt.fmt.pix.pixelformat != frmival->pixel_format ||
dest_fmt.fmt.pix.width != frmival->width ||
dest_fmt.fmt.pix.height != frmival->height) {
+ int frmival_pixformat = frmival->pixel_format;
+ int dest_pixformat = dest_fmt.fmt.pix.pixelformat;
+ V4LCONVERT_ERR("Could not find matching framesize for: %c%c%c%c %dx%d "
+ "closest match: %c%c%c%c %dx%d\n",
+ frmival_pixformat & 0xff,
+ (frmival_pixformat >> 8) & 0xff,
+ (frmival_pixformat >> 16) & 0xff,
+ frmival_pixformat >> 24,
+ frmival->width, frmival->height,
+ dest_pixformat & 0xff,
+ (dest_pixformat >> 8) & 0xff,
+ (dest_pixformat >> 16) & 0xff,
+ dest_pixformat >> 24,
+ dest_fmt.fmt.pix.width , dest_fmt.fmt.pix.height);
errno = EINVAL;
return -1;
}
@@ -948,6 +972,23 @@ int v4lconvert_enum_frameintervals(struct v4lconvert_data *data,
frmival->width = src_fmt.fmt.pix.width;
frmival->height = src_fmt.fmt.pix.height;
res = syscall(SYS_ioctl, data->fd, VIDIOC_ENUM_FRAMEINTERVALS, frmival);
+ if (res) {
+ int dest_pixfmt = dest_fmt.fmt.pix.pixelformat;
+ int src_pixfmt = src_fmt.fmt.pix.pixelformat;
+ V4LCONVERT_ERR("Could not enum frameival index: %d for: %c%c%c%c %dx%d "
+ "using src: %c%c%c%c %dx%d, error: %s\n",
+ frmival->index,
+ dest_pixfmt & 0xff,
+ (dest_pixfmt >> 8) & 0xff,
+ (dest_pixfmt >> 16) & 0xff,
+ dest_pixfmt >> 24,
+ dest_fmt.fmt.pix.width , dest_fmt.fmt.pix.height,
+ src_pixfmt & 0xff,
+ (src_pixfmt >> 8) & 0xff,
+ (src_pixfmt >> 16) & 0xff,
+ src_pixfmt >> 24,
+ src_fmt.fmt.pix.width, src_fmt.fmt.pix.height, strerror(errno));
+ }
/* Restore the requested format in the frmival struct */
frmival->pixel_format = dest_fmt.fmt.pix.pixelformat;
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-08 17:54:40 +0000