[oe] [meta-oe][PATCH 1/2] yavta: add patch to enable streaming to stdout
Koen Kooi
koen at dominion.thruhere.net
Fri Jun 22 11:28:27 UTC 2012
Signed-off-by: Koen Kooi <koen at dominion.thruhere.net>
---
...mode-to-allow-streaming-over-the-network-.patch | 854 ++++++++++++++++++++
meta-oe/recipes-multimedia/v4l2apps/yavta_git.bb | 5 +-
2 files changed, 857 insertions(+), 2 deletions(-)
create mode 100644 meta-oe/recipes-multimedia/v4l2apps/yavta/0001-Add-stdout-mode-to-allow-streaming-over-the-network-.patch
diff --git a/meta-oe/recipes-multimedia/v4l2apps/yavta/0001-Add-stdout-mode-to-allow-streaming-over-the-network-.patch b/meta-oe/recipes-multimedia/v4l2apps/yavta/0001-Add-stdout-mode-to-allow-streaming-over-the-network-.patch
new file mode 100644
index 0000000..430836f
--- /dev/null
+++ b/meta-oe/recipes-multimedia/v4l2apps/yavta/0001-Add-stdout-mode-to-allow-streaming-over-the-network-.patch
@@ -0,0 +1,854 @@
+From 1146a0f01fc8730d5633b46b85d00154a721abbe Mon Sep 17 00:00:00 2001
+From: Koen Kooi <koen at dominion.thruhere.net>
+Date: Fri, 22 Jun 2012 12:40:23 +0200
+Subject: [PATCH] Add stdout mode to allow streaming over the network with nc
+
+Signed-off-by: Koen Kooi <koen at dominion.thruhere.net>
+---
+ yavta.c | 288 ++++++++++++++++++++++++++++++++++-----------------------------
+ 1 file changed, 157 insertions(+), 131 deletions(-)
+
+diff --git a/yavta.c b/yavta.c
+index f3deae0..8020209 100644
+--- a/yavta.c
++++ b/yavta.c
+@@ -188,12 +188,12 @@ static int video_open(struct device *dev, const char *devname, int no_query)
+
+ dev->fd = open(devname, O_RDWR);
+ if (dev->fd < 0) {
+- printf("Error opening device %s: %s (%d).\n", devname,
++ fprintf(stderr, "Error opening device %s: %s (%d).\n", devname,
+ strerror(errno), errno);
+ return dev->fd;
+ }
+
+- printf("Device %s opened.\n", devname);
++ fprintf(stderr, "Device %s opened.\n", devname);
+
+ if (no_query) {
+ /* Assume capture device. */
+@@ -211,13 +211,13 @@ static int video_open(struct device *dev, const char *devname, int no_query)
+ else if (cap.capabilities & V4L2_CAP_VIDEO_OUTPUT)
+ dev->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
+ else {
+- printf("Error opening device %s: neither video capture "
++ fprintf(stderr, "Error opening device %s: neither video capture "
+ "nor video output supported.\n", devname);
+ close(dev->fd);
+ return -EINVAL;
+ }
+
+- printf("Device `%s' on `%s' is a video %s device.\n",
++ fprintf(stderr, "Device `%s' on `%s' is a video %s device.\n",
+ cap.card, cap.bus_info,
+ dev->type == V4L2_BUF_TYPE_VIDEO_CAPTURE ? "capture" : "output");
+ return 0;
+@@ -280,7 +280,7 @@ static int get_control(struct device *dev, unsigned int id, int type,
+ }
+ }
+
+- printf("unable to get control 0x%8.8x: %s (%d).\n",
++ fprintf(stderr, "unable to get control 0x%8.8x: %s (%d).\n",
+ id, strerror(errno), errno);
+ return -1;
+ }
+@@ -322,12 +322,12 @@ static void set_control(struct device *dev, unsigned int id, int type,
+ val = old.value;
+ }
+ if (ret == -1) {
+- printf("unable to set control 0x%8.8x: %s (%d).\n",
++ fprintf(stderr, "unable to set control 0x%8.8x: %s (%d).\n",
+ id, strerror(errno), errno);
+ return;
+ }
+
+- printf("Control 0x%08x set to %" PRId64 ", is %" PRId64 "\n",
++ fprintf(stderr, "Control 0x%08x set to %" PRId64 ", is %" PRId64 "\n",
+ id, old_val, val);
+ }
+
+@@ -341,7 +341,7 @@ static int video_get_format(struct device *dev)
+
+ ret = ioctl(dev->fd, VIDIOC_G_FMT, &fmt);
+ if (ret < 0) {
+- printf("Unable to get format: %s (%d).\n", strerror(errno),
++ fprintf(stderr, "Unable to get format: %s (%d).\n", strerror(errno),
+ errno);
+ return ret;
+ }
+@@ -351,7 +351,7 @@ static int video_get_format(struct device *dev)
+ dev->bytesperline = fmt.fmt.pix.bytesperline;
+ dev->imagesize = fmt.fmt.pix.bytesperline ? fmt.fmt.pix.sizeimage : 0;
+
+- printf("Video format: %s (%08x) %ux%u (stride %u) buffer size %u\n",
++ fprintf(stderr, "Video format: %s (%08x) %ux%u (stride %u) buffer size %u\n",
+ v4l2_format_name(fmt.fmt.pix.pixelformat), fmt.fmt.pix.pixelformat,
+ fmt.fmt.pix.width, fmt.fmt.pix.height, fmt.fmt.pix.bytesperline,
+ fmt.fmt.pix.sizeimage);
+@@ -374,12 +374,12 @@ static int video_set_format(struct device *dev, unsigned int w, unsigned int h,
+
+ ret = ioctl(dev->fd, VIDIOC_S_FMT, &fmt);
+ if (ret < 0) {
+- printf("Unable to set format: %s (%d).\n", strerror(errno),
++ fprintf(stderr, "Unable to set format: %s (%d).\n", strerror(errno),
+ errno);
+ return ret;
+ }
+
+- printf("Video format set: %s (%08x) %ux%u (stride %u) buffer size %u\n",
++ fprintf(stderr, "Video format set: %s (%08x) %ux%u (stride %u) buffer size %u\n",
+ v4l2_format_name(fmt.fmt.pix.pixelformat), fmt.fmt.pix.pixelformat,
+ fmt.fmt.pix.width, fmt.fmt.pix.height, fmt.fmt.pix.bytesperline,
+ fmt.fmt.pix.sizeimage);
+@@ -396,16 +396,16 @@ static int video_set_framerate(struct device *dev, struct v4l2_fract *time_per_f
+
+ ret = ioctl(dev->fd, VIDIOC_G_PARM, &parm);
+ if (ret < 0) {
+- printf("Unable to get frame rate: %s (%d).\n",
++ fprintf(stderr, "Unable to get frame rate: %s (%d).\n",
+ strerror(errno), errno);
+ return ret;
+ }
+
+- printf("Current frame rate: %u/%u\n",
++ fprintf(stderr, "Current frame rate: %u/%u\n",
+ parm.parm.capture.timeperframe.numerator,
+ parm.parm.capture.timeperframe.denominator);
+
+- printf("Setting frame rate to: %u/%u\n",
++ fprintf(stderr, "Setting frame rate to: %u/%u\n",
+ time_per_frame->numerator,
+ time_per_frame->denominator);
+
+@@ -414,19 +414,19 @@ static int video_set_framerate(struct device *dev, struct v4l2_fract *time_per_f
+
+ ret = ioctl(dev->fd, VIDIOC_S_PARM, &parm);
+ if (ret < 0) {
+- printf("Unable to set frame rate: %s (%d).\n", strerror(errno),
++ fprintf(stderr, "Unable to set frame rate: %s (%d).\n", strerror(errno),
+ errno);
+ return ret;
+ }
+
+ ret = ioctl(dev->fd, VIDIOC_G_PARM, &parm);
+ if (ret < 0) {
+- printf("Unable to get frame rate: %s (%d).\n", strerror(errno),
++ fprintf(stderr, "Unable to get frame rate: %s (%d).\n", strerror(errno),
+ errno);
+ return ret;
+ }
+
+- printf("Frame rate set: %u/%u\n",
++ fprintf(stderr, "Frame rate set: %u/%u\n",
+ parm.parm.capture.timeperframe.numerator,
+ parm.parm.capture.timeperframe.denominator);
+ return 0;
+@@ -449,12 +449,12 @@ static int video_alloc_buffers(struct device *dev, int nbufs,
+
+ ret = ioctl(dev->fd, VIDIOC_REQBUFS, &rb);
+ if (ret < 0) {
+- printf("Unable to request buffers: %s (%d).\n", strerror(errno),
++ fprintf(stderr, "Unable to request buffers: %s (%d).\n", strerror(errno),
+ errno);
+ return ret;
+ }
+
+- printf("%u buffers requested.\n", rb.count);
++ fprintf(stderr, "%u buffers requested.\n", rb.count);
+
+ buffers = malloc(rb.count * sizeof buffers[0]);
+ if (buffers == NULL)
+@@ -470,35 +470,35 @@ static int video_alloc_buffers(struct device *dev, int nbufs,
+ buf.memory = dev->memtype;
+ ret = ioctl(dev->fd, VIDIOC_QUERYBUF, &buf);
+ if (ret < 0) {
+- printf("Unable to query buffer %u: %s (%d).\n", i,
++ fprintf(stderr, "Unable to query buffer %u: %s (%d).\n", i,
+ strerror(errno), errno);
+ return ret;
+ }
+- printf("length: %u offset: %u\n", buf.length, buf.m.offset);
++ fprintf(stderr, "length: %u offset: %u\n", buf.length, buf.m.offset);
+
+ switch (dev->memtype) {
+ case V4L2_MEMORY_MMAP:
+ buffers[i].mem = mmap(0, buf.length, PROT_READ | PROT_WRITE, MAP_SHARED, dev->fd, buf.m.offset);
+ if (buffers[i].mem == MAP_FAILED) {
+- printf("Unable to map buffer %u: %s (%d)\n", i,
++ fprintf(stderr, "Unable to map buffer %u: %s (%d)\n", i,
+ strerror(errno), errno);
+ return ret;
+ }
+ buffers[i].size = buf.length;
+ buffers[i].padding = 0;
+- printf("Buffer %u mapped at address %p.\n", i, buffers[i].mem);
++ fprintf(stderr, "Buffer %u mapped at address %p.\n", i, buffers[i].mem);
+ break;
+
+ case V4L2_MEMORY_USERPTR:
+ ret = posix_memalign(&buffers[i].mem, page_size, buf.length + offset + padding);
+ if (ret < 0) {
+- printf("Unable to allocate buffer %u (%d)\n", i, ret);
++ fprintf(stderr, "Unable to allocate buffer %u (%d)\n", i, ret);
+ return -ENOMEM;
+ }
+ buffers[i].mem += offset;
+ buffers[i].size = buf.length;
+ buffers[i].padding = padding;
+- printf("Buffer %u allocated at address %p.\n", i, buffers[i].mem);
++ fprintf(stderr, "Buffer %u allocated at address %p.\n", i, buffers[i].mem);
+ break;
+
+ default:
+@@ -525,7 +525,7 @@ static int video_free_buffers(struct device *dev)
+ case V4L2_MEMORY_MMAP:
+ ret = munmap(dev->buffers[i].mem, dev->buffers[i].size);
+ if (ret < 0) {
+- printf("Unable to unmap buffer %u: %s (%d)\n", i,
++ fprintf(stderr, "Unable to unmap buffer %u: %s (%d)\n", i,
+ strerror(errno), errno);
+ return ret;
+ }
+@@ -549,12 +549,12 @@ static int video_free_buffers(struct device *dev)
+
+ ret = ioctl(dev->fd, VIDIOC_REQBUFS, &rb);
+ if (ret < 0) {
+- printf("Unable to release buffers: %s (%d).\n",
++ fprintf(stderr, "Unable to release buffers: %s (%d).\n",
+ strerror(errno), errno);
+ return ret;
+ }
+
+- printf("%u buffers released.\n", dev->nbufs);
++ fprintf(stderr, "%u buffers released.\n", dev->nbufs);
+
+ free(dev->buffers);
+ dev->nbufs = 0;
+@@ -589,7 +589,7 @@ static int video_queue_buffer(struct device *dev, int index, enum buffer_fill_mo
+
+ ret = ioctl(dev->fd, VIDIOC_QBUF, &buf);
+ if (ret < 0)
+- printf("Unable to queue buffer: %s (%d).\n",
++ fprintf(stderr, "Unable to queue buffer: %s (%d).\n",
+ strerror(errno), errno);
+
+ return ret;
+@@ -602,7 +602,7 @@ static int video_enable(struct device *dev, int enable)
+
+ ret = ioctl(dev->fd, enable ? VIDIOC_STREAMON : VIDIOC_STREAMOFF, &type);
+ if (ret < 0) {
+- printf("Unable to %s streaming: %s (%d).\n",
++ fprintf(stderr, "Unable to %s streaming: %s (%d).\n",
+ enable ? "start" : "stop", strerror(errno), errno);
+ return ret;
+ }
+@@ -623,9 +623,9 @@ static void video_query_menu(struct device *dev, struct v4l2_queryctrl *query)
+ continue;
+
+ if (query->type == V4L2_CTRL_TYPE_MENU)
+- printf(" %u: %.32s\n", menu.index, menu.name);
++ fprintf(stderr, " %u: %.32s\n", menu.index, menu.name);
+ else
+- printf(" %u: %lld\n", menu.index, menu.value);
++ fprintf(stderr, " %u: %lld\n", menu.index, menu.value);
+ };
+ }
+
+@@ -655,7 +655,7 @@ static void video_list_controls(struct device *dev)
+ continue;
+
+ if (query.type == V4L2_CTRL_TYPE_CTRL_CLASS) {
+- printf("--- %s (class 0x%08x) ---\n", query.name, query.id);
++ fprintf(stderr, "--- %s (class 0x%08x) ---\n", query.name, query.id);
+ continue;
+ }
+
+@@ -665,7 +665,7 @@ static void video_list_controls(struct device *dev)
+ else
+ sprintf(value, "%" PRId64, val64);
+
+- printf("control 0x%08x `%s' min %d max %d step %d default %d current %s.\n",
++ fprintf(stderr, "control 0x%08x `%s' min %d max %d step %d default %d current %s.\n",
+ query.id, query.name, query.minimum, query.maximum,
+ query.step, query.default_value, value);
+
+@@ -677,9 +677,9 @@ static void video_list_controls(struct device *dev)
+ }
+
+ if (nctrls)
+- printf("%u control%s found.\n", nctrls, nctrls > 1 ? "s" : "");
++ fprintf(stderr, "%u control%s found.\n", nctrls, nctrls > 1 ? "s" : "");
+ else
+- printf("No control found.\n");
++ fprintf(stderr, "No control found.\n");
+ }
+
+ static void video_enum_frame_intervals(struct device *dev, __u32 pixelformat,
+@@ -700,30 +700,30 @@ static void video_enum_frame_intervals(struct device *dev, __u32 pixelformat,
+ break;
+
+ if (i != ival.index)
+- printf("Warning: driver returned wrong ival index "
++ fprintf(stderr, "Warning: driver returned wrong ival index "
+ "%u.\n", ival.index);
+ if (pixelformat != ival.pixel_format)
+- printf("Warning: driver returned wrong ival pixel "
++ fprintf(stderr, "Warning: driver returned wrong ival pixel "
+ "format %08x.\n", ival.pixel_format);
+ if (width != ival.width)
+- printf("Warning: driver returned wrong ival width "
++ fprintf(stderr, "Warning: driver returned wrong ival width "
+ "%u.\n", ival.width);
+ if (height != ival.height)
+- printf("Warning: driver returned wrong ival height "
++ fprintf(stderr, "Warning: driver returned wrong ival height "
+ "%u.\n", ival.height);
+
+ if (i != 0)
+- printf(", ");
++ fprintf(stderr, ", ");
+
+ switch (ival.type) {
+ case V4L2_FRMIVAL_TYPE_DISCRETE:
+- printf("%u/%u",
++ fprintf(stderr, "%u/%u",
+ ival.discrete.numerator,
+ ival.discrete.denominator);
+ break;
+
+ case V4L2_FRMIVAL_TYPE_CONTINUOUS:
+- printf("%u/%u - %u/%u",
++ fprintf(stderr, "%u/%u - %u/%u",
+ ival.stepwise.min.numerator,
+ ival.stepwise.min.denominator,
+ ival.stepwise.max.numerator,
+@@ -731,7 +731,7 @@ static void video_enum_frame_intervals(struct device *dev, __u32 pixelformat,
+ return;
+
+ case V4L2_FRMIVAL_TYPE_STEPWISE:
+- printf("%u/%u - %u/%u (by %u/%u)",
++ fprintf(stderr, "%u/%u - %u/%u (by %u/%u)",
+ ival.stepwise.min.numerator,
+ ival.stepwise.min.denominator,
+ ival.stepwise.max.numerator,
+@@ -761,23 +761,23 @@ static void video_enum_frame_sizes(struct device *dev, __u32 pixelformat)
+ break;
+
+ if (i != frame.index)
+- printf("Warning: driver returned wrong frame index "
++ fprintf(stderr, "Warning: driver returned wrong frame index "
+ "%u.\n", frame.index);
+ if (pixelformat != frame.pixel_format)
+- printf("Warning: driver returned wrong frame pixel "
++ fprintf(stderr, "Warning: driver returned wrong frame pixel "
+ "format %08x.\n", frame.pixel_format);
+
+ switch (frame.type) {
+ case V4L2_FRMSIZE_TYPE_DISCRETE:
+- printf("\tFrame size: %ux%u (", frame.discrete.width,
++ fprintf(stderr, "\tFrame size: %ux%u (", frame.discrete.width,
+ frame.discrete.height);
+ video_enum_frame_intervals(dev, frame.pixel_format,
+ frame.discrete.width, frame.discrete.height);
+- printf(")\n");
++ fprintf(stderr, ")\n");
+ break;
+
+ case V4L2_FRMSIZE_TYPE_CONTINUOUS:
+- printf("\tFrame size: %ux%u - %ux%u (",
++ fprintf(stderr, "\tFrame size: %ux%u - %ux%u (",
+ frame.stepwise.min_width,
+ frame.stepwise.min_height,
+ frame.stepwise.max_width,
+@@ -785,11 +785,11 @@ static void video_enum_frame_sizes(struct device *dev, __u32 pixelformat)
+ video_enum_frame_intervals(dev, frame.pixel_format,
+ frame.stepwise.max_width,
+ frame.stepwise.max_height);
+- printf(")\n");
++ fprintf(stderr, ")\n");
+ break;
+
+ case V4L2_FRMSIZE_TYPE_STEPWISE:
+- printf("\tFrame size: %ux%u - %ux%u (by %ux%u) (\n",
++ fprintf(stderr, "\tFrame size: %ux%u - %ux%u (by %ux%u) (\n",
+ frame.stepwise.min_width,
+ frame.stepwise.min_height,
+ frame.stepwise.max_width,
+@@ -799,7 +799,7 @@ static void video_enum_frame_sizes(struct device *dev, __u32 pixelformat)
+ video_enum_frame_intervals(dev, frame.pixel_format,
+ frame.stepwise.max_width,
+ frame.stepwise.max_height);
+- printf(")\n");
++ fprintf(stderr, ")\n");
+ break;
+
+ default:
+@@ -823,19 +823,19 @@ static void video_enum_formats(struct device *dev, enum v4l2_buf_type type)
+ break;
+
+ if (i != fmt.index)
+- printf("Warning: driver returned wrong format index "
++ fprintf(stderr, "Warning: driver returned wrong format index "
+ "%u.\n", fmt.index);
+ if (type != fmt.type)
+- printf("Warning: driver returned wrong format type "
++ fprintf(stderr, "Warning: driver returned wrong format type "
+ "%u.\n", fmt.type);
+
+- printf("\tFormat %u: %s (%08x)\n", i,
++ fprintf(stderr, "\tFormat %u: %s (%08x)\n", i,
+ v4l2_format_name(fmt.pixelformat), fmt.pixelformat);
+- printf("\tType: %s (%u)\n", v4l2_buf_type_name(fmt.type),
++ fprintf(stderr, "\tType: %s (%u)\n", v4l2_buf_type_name(fmt.type),
+ fmt.type);
+- printf("\tName: %.32s\n", fmt.description);
++ fprintf(stderr, "\tName: %.32s\n", fmt.description);
+ video_enum_frame_sizes(dev, fmt.pixelformat);
+- printf("\n");
++ fprintf(stderr, "\n");
+ }
+ }
+
+@@ -853,13 +853,13 @@ static void video_enum_inputs(struct device *dev)
+ break;
+
+ if (i != input.index)
+- printf("Warning: driver returned wrong input index "
++ fprintf(stderr, "Warning: driver returned wrong input index "
+ "%u.\n", input.index);
+
+- printf("\tInput %u: %s.\n", i, input.name);
++ fprintf(stderr, "\tInput %u: %s.\n", i, input.name);
+ }
+
+- printf("\n");
++ fprintf(stderr, "\n");
+ }
+
+ static int video_get_input(struct device *dev)
+@@ -869,7 +869,7 @@ static int video_get_input(struct device *dev)
+
+ ret = ioctl(dev->fd, VIDIOC_G_INPUT, &input);
+ if (ret < 0) {
+- printf("Unable to get current input: %s (%d).\n",
++ fprintf(stderr, "Unable to get current input: %s (%d).\n",
+ strerror(errno), errno);
+ return ret;
+ }
+@@ -884,7 +884,7 @@ static int video_set_input(struct device *dev, unsigned int input)
+
+ ret = ioctl(dev->fd, VIDIOC_S_INPUT, &_input);
+ if (ret < 0)
+- printf("Unable to select input %u: %s (%d).\n", input,
++ fprintf(stderr, "Unable to select input %u: %s (%d).\n", input,
+ strerror(errno), errno);
+
+ return ret;
+@@ -903,14 +903,14 @@ static int video_set_quality(struct device *dev, unsigned int quality)
+
+ ret = ioctl(dev->fd, VIDIOC_S_JPEGCOMP, &jpeg);
+ if (ret < 0) {
+- printf("Unable to set quality to %u: %s (%d).\n", quality,
++ fprintf(stderr, "Unable to set quality to %u: %s (%d).\n", quality,
+ strerror(errno), errno);
+ return ret;
+ }
+
+ ret = ioctl(dev->fd, VIDIOC_G_JPEGCOMP, &jpeg);
+ if (ret >= 0)
+- printf("Quality set to %u\n", jpeg.quality);
++ fprintf(stderr, "Quality set to %u\n", jpeg.quality);
+
+ return 0;
+ }
+@@ -930,7 +930,7 @@ static int video_load_test_pattern(struct device *dev, const char *filename)
+
+ if (filename == NULL) {
+ if (dev->bytesperline == 0) {
+- printf("Compressed format detect and no test pattern filename given.\n"
++ fprintf(stderr, "Compressed format detect and no test pattern filename given.\n"
+ "The test pattern can't be generated automatically.\n");
+ return -EINVAL;
+ }
+@@ -947,7 +947,7 @@ static int video_load_test_pattern(struct device *dev, const char *filename)
+
+ fd = open(filename, O_RDONLY);
+ if (fd == -1) {
+- printf("Unable to open test pattern file '%s': %s (%d).\n",
++ fprintf(stderr, "Unable to open test pattern file '%s': %s (%d).\n",
+ filename, strerror(errno), errno);
+ return -errno;
+ }
+@@ -956,7 +956,7 @@ static int video_load_test_pattern(struct device *dev, const char *filename)
+ close(fd);
+
+ if (ret != (int)size && dev->bytesperline != 0) {
+- printf("Test pattern file size %u doesn't match image size %u\n",
++ fprintf(stderr, "Test pattern file size %u doesn't match image size %u\n",
+ ret, size);
+ return -EINVAL;
+ }
+@@ -1012,16 +1012,16 @@ static void video_verify_buffer(struct device *dev, int index)
+ }
+
+ if (errors) {
+- printf("Warning: %u bytes overwritten among %u first padding bytes\n",
++ fprintf(stderr, "Warning: %u bytes overwritten among %u first padding bytes\n",
+ errors, dirty);
+
+ dirty = (dirty + 15) & ~15;
+ dirty = dirty > 32 ? 32 : dirty;
+
+ for (i = 0; i < dirty; ++i) {
+- printf("%02x ", data[i]);
++ fprintf(stderr, "%02x ", data[i]);
+ if (i % 16 == 15)
+- printf("\n");
++ fprintf(stderr, "\n");
+ }
+ }
+ }
+@@ -1061,15 +1061,29 @@ static void video_save_image(struct device *dev, struct v4l2_buffer *buf,
+ close(fd);
+
+ if (ret < 0)
+- printf("write error: %s (%d)\n", strerror(errno), errno);
++ fprintf(stderr, "write error: %s (%d)\n", strerror(errno), errno);
+ else if (ret != (int)buf->bytesused)
+- printf("write error: only %d bytes written instead of %u\n",
++ fprintf(stderr, "write error: only %d bytes written instead of %u\n",
++ ret, buf->bytesused);
++}
++
++static void video_stdout_image(struct device *dev, struct v4l2_buffer *buf)
++{
++ int ret;
++
++ fprintf(stderr, "stdout");
++ ret = fwrite(dev->buffers[buf->index].mem, buf->bytesused, 1, stdout);
++
++ if (ret < 0)
++ fprintf(stderr, "write error: %s (%d)\n", strerror(errno), errno);
++ else if (ret != (int)buf->bytesused)
++ fprintf(stderr, "write error: only %d bytes written instead of %u\n",
+ ret, buf->bytesused);
+ }
+
+ static int video_do_capture(struct device *dev, unsigned int nframes,
+ unsigned int skip, unsigned int delay, const char *pattern,
+- int do_requeue_last, enum buffer_fill_mode fill)
++ int do_requeue_last, enum buffer_fill_mode fill, int do_stdout)
+ {
+ struct timespec start;
+ struct timeval last;
+@@ -1099,7 +1113,7 @@ static int video_do_capture(struct device *dev, unsigned int nframes,
+ ret = ioctl(dev->fd, VIDIOC_DQBUF, &buf);
+ if (ret < 0) {
+ if (errno != EIO) {
+- printf("Unable to dequeue buffer: %s (%d).\n",
++ fprintf(stderr, "Unable to dequeue buffer: %s (%d).\n",
+ strerror(errno), errno);
+ goto done;
+ }
+@@ -1111,7 +1125,7 @@ static int video_do_capture(struct device *dev, unsigned int nframes,
+
+ if (dev->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
+ dev->imagesize != 0 && buf.bytesused != dev->imagesize)
+- printf("Warning: bytes used %u != image size %u\n",
++ fprintf(stderr, "Warning: bytes used %u != image size %u\n",
+ buf.bytesused, dev->imagesize);
+
+ if (dev->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
+@@ -1124,7 +1138,7 @@ static int video_do_capture(struct device *dev, unsigned int nframes,
+ fps = fps ? 1000000.0 / fps : 0.0;
+
+ clock_gettime(CLOCK_MONOTONIC, &ts);
+- printf("%u (%u) [%c] %u %u bytes %ld.%06ld %ld.%06ld %.3f fps\n", i, buf.index,
++ fprintf(stderr, "%u (%u) [%c] %u %u bytes %ld.%06ld %ld.%06ld %.3f fps\n", i, buf.index,
+ (buf.flags & V4L2_BUF_FLAG_ERROR) ? 'E' : '-',
+ buf.sequence, buf.bytesused, buf.timestamp.tv_sec,
+ buf.timestamp.tv_usec, ts.tv_sec, ts.tv_nsec/1000, fps);
+@@ -1132,8 +1146,13 @@ static int video_do_capture(struct device *dev, unsigned int nframes,
+ last = buf.timestamp;
+
+ /* Save the image. */
+- if (dev->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && pattern && !skip)
++ if (dev->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && pattern && !skip) {
+ video_save_image(dev, &buf, pattern, i);
++ }
++
++ if (dev->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && do_stdout && !skip) {
++ video_stdout_image(dev, &buf);
++ }
+
+ if (skip)
+ --skip;
+@@ -1149,7 +1168,7 @@ static int video_do_capture(struct device *dev, unsigned int nframes,
+
+ ret = video_queue_buffer(dev, buf.index, fill);
+ if (ret < 0) {
+- printf("Unable to requeue buffer: %s (%d).\n",
++ fprintf(stderr, "Unable to requeue buffer: %s (%d).\n",
+ strerror(errno), errno);
+ goto done;
+ }
+@@ -1159,7 +1178,7 @@ static int video_do_capture(struct device *dev, unsigned int nframes,
+ video_enable(dev, 0);
+
+ if (nframes == 0) {
+- printf("No frames captured.\n");
++ fprintf(stderr, "No frames captured.\n");
+ goto done;
+ }
+
+@@ -1176,7 +1195,7 @@ static int video_do_capture(struct device *dev, unsigned int nframes,
+ bps = size/(ts.tv_nsec/1000.0+1000000.0*ts.tv_sec)*1000000.0;
+ fps = i/(ts.tv_nsec/1000.0+1000000.0*ts.tv_sec)*1000000.0;
+
+- printf("Captured %u frames in %lu.%06lu seconds (%f fps, %f B/s).\n",
++ fprintf(stderr, "Captured %u frames in %lu.%06lu seconds (%f fps, %f B/s).\n",
+ i, ts.tv_sec, ts.tv_nsec/1000, fps, bps);
+
+ done:
+@@ -1188,37 +1207,38 @@ done:
+
+ static void usage(const char *argv0)
+ {
+- printf("Usage: %s [options] device\n", argv0);
+- printf("Supported options:\n");
+- printf("-c, --capture[=nframes] Capture frames\n");
+- printf("-C, --check-overrun Verify dequeued frames for buffer overrun\n");
+- printf("-d, --delay Delay (in ms) before requeuing buffers\n");
+- printf("-f, --format format Set the video format\n");
+- printf("-F, --file[=name] Read/write frames from/to disk\n");
+- printf("\tFor video capture devices, the first '#' character in the file name is\n");
+- printf("\texpanded to the frame sequence number. The default file name is\n");
+- printf("\t'frame-#.bin'.\n");
+- printf("-h, --help Show this help screen\n");
+- printf("-i, --input input Select the video input\n");
+- printf("-I, --fill-frames Fill frames with check pattern before queuing them\n");
+- printf("-l, --list-controls List available controls\n");
+- printf("-n, --nbufs n Set the number of video buffers\n");
+- printf("-p, --pause Pause before starting the video stream\n");
+- printf("-q, --quality n MJPEG quality (0-100)\n");
+- printf("-r, --get-control ctrl Get control 'ctrl'\n");
+- printf("-R, --realtime=[priority] Enable realtime RR scheduling\n");
+- printf("-s, --size WxH Set the frame size\n");
+- printf("-t, --time-per-frame num/denom Set the time per frame (eg. 1/25 = 25 fps)\n");
+- printf("-u, --userptr Use the user pointers streaming method\n");
+- printf("-w, --set-control 'ctrl value' Set control 'ctrl' to 'value'\n");
+- printf(" --enum-formats Enumerate formats\n");
+- printf(" --enum-inputs Enumerate inputs\n");
+- printf(" --no-query Don't query capabilities on open\n");
+- printf(" --offset User pointer buffer offset from page start\n");
+- printf(" --requeue-last Requeue the last buffers before streamoff\n");
+- printf(" --skip n Skip the first n frames\n");
+- printf(" --sleep-forever Sleep forever after configuring the device\n");
+- printf(" --stride value Line stride in bytes\n");
++ fprintf(stderr, "Usage: %s [options] device\n", argv0);
++ fprintf(stderr, "Supported options:\n");
++ fprintf(stderr, "-c, --capture[=nframes] Capture frames\n");
++ fprintf(stderr, "-C, --check-overrun Verify dequeued frames for buffer overrun\n");
++ fprintf(stderr, "-d, --delay Delay (in ms) before requeuing buffers\n");
++ fprintf(stderr, "-f, --format format Set the video format\n");
++ fprintf(stderr, "-F, --file[=name] Read/write frames from/to disk\n");
++ fprintf(stderr, "\tFor video capture devices, the first '#' character in the file name is\n");
++ fprintf(stderr, "\texpanded to the frame sequence number. The default file name is\n");
++ fprintf(stderr, "\t'frame-#.bin'.\n");
++ fprintf(stderr, " --stdout write frames to stdout\n");
++ fprintf(stderr, "-h, --help Show this help screen\n");
++ fprintf(stderr, "-i, --input input Select the video input\n");
++ fprintf(stderr, "-I, --fill-frames Fill frames with check pattern before queuing them\n");
++ fprintf(stderr, "-l, --list-controls List available controls\n");
++ fprintf(stderr, "-n, --nbufs n Set the number of video buffers\n");
++ fprintf(stderr, "-p, --pause Pause before starting the video stream\n");
++ fprintf(stderr, "-q, --quality n MJPEG quality (0-100)\n");
++ fprintf(stderr, "-r, --get-control ctrl Get control 'ctrl'\n");
++ fprintf(stderr, "-R, --realtime=[priority] Enable realtime RR scheduling\n");
++ fprintf(stderr, "-s, --size WxH Set the frame size\n");
++ fprintf(stderr, "-t, --time-per-frame num/denom Set the time per frame (eg. 1/25 = 25 fps)\n");
++ fprintf(stderr, "-u, --userptr Use the user pointers streaming method\n");
++ fprintf(stderr, "-w, --set-control 'ctrl value' Set control 'ctrl' to 'value'\n");
++ fprintf(stderr, " --enum-formats Enumerate formats\n");
++ fprintf(stderr, " --enum-inputs Enumerate inputs\n");
++ fprintf(stderr, " --no-query Don't query capabilities on open\n");
++ fprintf(stderr, " --offset User pointer buffer offset from page start\n");
++ fprintf(stderr, " --requeue-last Requeue the last buffers before streamoff\n");
++ fprintf(stderr, " --skip n Skip the first n frames\n");
++ fprintf(stderr, " --sleep-forever Sleep forever after configuring the device\n");
++ fprintf(stderr, " --stride value Line stride in bytes\n");
+ }
+
+ #define OPT_ENUM_FORMATS 256
+@@ -1229,6 +1249,7 @@ static void usage(const char *argv0)
+ #define OPT_USERPTR_OFFSET 261
+ #define OPT_REQUEUE_LAST 262
+ #define OPT_STRIDE 263
++#define OPT_STDOUT 264
+
+ static struct option opts[] = {
+ {"capture", 2, 0, 'c'},
+@@ -1238,6 +1259,7 @@ static struct option opts[] = {
+ {"enum-inputs", 0, 0, OPT_ENUM_INPUTS},
+ {"file", 2, 0, 'F'},
+ {"fill-frames", 0, 0, 'I'},
++ {"stdout", 0, 0, OPT_STDOUT},
+ {"format", 1, 0, 'f'},
+ {"help", 0, 0, 'h'},
+ {"input", 1, 0, 'i'},
+@@ -1274,7 +1296,8 @@ int main(int argc, char *argv[])
+ int do_list_controls = 0, do_get_control = 0, do_set_control = 0;
+ int do_sleep_forever = 0, do_requeue_last = 0;
+ int do_rt = 0;
+- int no_query = 0;
++ int no_query = 0;
++ int do_stdout = 0;
+ char *endptr;
+ int c;
+
+@@ -1321,7 +1344,7 @@ int main(int argc, char *argv[])
+ do_set_format = 1;
+ pixelformat = v4l2_format_code(optarg);
+ if (pixelformat == 0) {
+- printf("Unsupported video format '%s'\n", optarg);
++ fprintf(stderr, "Unsupported video format '%s'\n", optarg);
+ return 1;
+ }
+ break;
+@@ -1357,7 +1380,7 @@ int main(int argc, char *argv[])
+ case 'r':
+ ctrl_name = strtol(optarg, &endptr, 0);
+ if (*endptr != 0) {
+- printf("Invalid control name '%s'\n", optarg);
++ fprintf(stderr, "Invalid control name '%s'\n", optarg);
+ return 1;
+ }
+ do_get_control = 1;
+@@ -1371,12 +1394,12 @@ int main(int argc, char *argv[])
+ do_set_format = 1;
+ width = strtol(optarg, &endptr, 10);
+ if (*endptr != 'x' || endptr == optarg) {
+- printf("Invalid size '%s'\n", optarg);
++ fprintf(stderr, "Invalid size '%s'\n", optarg);
+ return 1;
+ }
+ height = strtol(endptr + 1, &endptr, 10);
+ if (*endptr != 0) {
+- printf("Invalid size '%s'\n", optarg);
++ fprintf(stderr, "Invalid size '%s'\n", optarg);
+ return 1;
+ }
+ break;
+@@ -1384,12 +1407,12 @@ int main(int argc, char *argv[])
+ do_set_time_per_frame = 1;
+ time_per_frame.numerator = strtol(optarg, &endptr, 10);
+ if (*endptr != '/' || endptr == optarg) {
+- printf("Invalid time per frame '%s'\n", optarg);
++ fprintf(stderr, "Invalid time per frame '%s'\n", optarg);
+ return 1;
+ }
+ time_per_frame.denominator = strtol(endptr + 1, &endptr, 10);
+ if (*endptr != 0) {
+- printf("Invalid time per frame '%s'\n", optarg);
++ fprintf(stderr, "Invalid time per frame '%s'\n", optarg);
+ return 1;
+ }
+ break;
+@@ -1399,12 +1422,12 @@ int main(int argc, char *argv[])
+ case 'w':
+ ctrl_name = strtol(optarg, &endptr, 0);
+ if (*endptr != ' ' || endptr == optarg) {
+- printf("Invalid control name '%s'\n", optarg);
++ fprintf(stderr, "Invalid control name '%s'\n", optarg);
+ return 1;
+ }
+ ctrl_value = strtol(endptr + 1, &endptr, 0);
+ if (*endptr != 0) {
+- printf("Invalid control value '%s'\n", optarg);
++ fprintf(stderr, "Invalid control value '%s'\n", optarg);
+ return 1;
+ }
+ do_set_control = 1;
+@@ -1433,15 +1456,18 @@ int main(int argc, char *argv[])
+ case OPT_USERPTR_OFFSET:
+ userptr_offset = atoi(optarg);
+ break;
++ case OPT_STDOUT:
++ do_stdout = 1;
++ break;
+ default:
+- printf("Invalid option -%c\n", c);
+- printf("Run %s -h for help.\n", argv[0]);
++ fprintf(stderr, "Invalid option -%c\n", c);
++ fprintf(stderr, "Run %s -h for help.\n", argv[0]);
+ return 1;
+ }
+ }
+
+ if ((fill_mode & BUFFER_FILL_PADDING) && memtype != V4L2_MEMORY_USERPTR) {
+- printf("Buffer overrun can only be checked in USERPTR mode.\n");
++ fprintf(stderr, "Buffer overrun can only be checked in USERPTR mode.\n");
+ return 1;
+ }
+
+@@ -1470,7 +1496,7 @@ int main(int argc, char *argv[])
+ ret = get_control(&dev, ctrl_name,
+ get_control_type(&dev, ctrl_name), &val);
+ if (ret >= 0)
+- printf("Control 0x%08x value %" PRId64 "\n", ctrl_name, val);
++ fprintf(stderr, "Control 0x%08x value %" PRId64 "\n", ctrl_name, val);
+ }
+
+ if (do_set_control)
+@@ -1481,21 +1507,21 @@ int main(int argc, char *argv[])
+ video_list_controls(&dev);
+
+ if (do_enum_formats) {
+- printf("- Available formats:\n");
++ fprintf(stderr, "- Available formats:\n");
+ video_enum_formats(&dev, V4L2_BUF_TYPE_VIDEO_CAPTURE);
+ video_enum_formats(&dev, V4L2_BUF_TYPE_VIDEO_OUTPUT);
+ video_enum_formats(&dev, V4L2_BUF_TYPE_VIDEO_OVERLAY);
+ }
+
+ if (do_enum_inputs) {
+- printf("- Available inputs:\n");
++ fprintf(stderr, "- Available inputs:\n");
+ video_enum_inputs(&dev);
+ }
+
+ if (do_set_input) {
+ video_set_input(&dev, input);
+ ret = video_get_input(&dev);
+- printf("Input %d selected\n", ret);
++ fprintf(stderr, "Input %d selected\n", ret);
+ }
+
+ /* Set the video format. */
+@@ -1537,7 +1563,7 @@ int main(int argc, char *argv[])
+ }
+
+ if (do_pause) {
+- printf("Press enter to start capture\n");
++ fprintf(stderr, "Press enter to start capture\n");
+ getchar();
+ }
+
+@@ -1546,12 +1572,12 @@ int main(int argc, char *argv[])
+ sched.sched_priority = rt_priority;
+ ret = sched_setscheduler(0, SCHED_RR, &sched);
+ if (ret < 0)
+- printf("Failed to select RR scheduler: %s (%d)\n",
++ fprintf(stderr, "Failed to select RR scheduler: %s (%d)\n",
+ strerror(errno), errno);
+ }
+
+ if (video_do_capture(&dev, nframes, skip, delay, filename,
+- do_requeue_last, fill_mode) < 0) {
++ do_requeue_last, fill_mode, do_stdout) < 0) {
+ video_close(&dev);
+ return 1;
+ }
+--
+1.7.10
+
diff --git a/meta-oe/recipes-multimedia/v4l2apps/yavta_git.bb b/meta-oe/recipes-multimedia/v4l2apps/yavta_git.bb
index 054912d..d007bcb 100644
--- a/meta-oe/recipes-multimedia/v4l2apps/yavta_git.bb
+++ b/meta-oe/recipes-multimedia/v4l2apps/yavta_git.bb
@@ -2,11 +2,12 @@ DESCRIPTION = "Yet Another V4L2 Test Application"
LICENSE = "GPLv2"
LIC_FILES_CHKSUM = "file://COPYING.GPL;md5=751419260aa954499f7abaabaa882bbe"
-SRC_URI = "git://git.ideasonboard.org/yavta.git;protocol=git"
+SRC_URI = "git://git.ideasonboard.org/yavta.git;protocol=git \
+ file://0001-Add-stdout-mode-to-allow-streaming-over-the-network-.patch"
SRCREV = "82ff2efdb9787737b9f21b6f4759f077c827b238"
PV = "0.0"
-PR = "r1"
+PR = "r2"
S = "${WORKDIR}/git"
do_install() {
--
1.7.10
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