diff options
| -rw-r--r-- | sys/v4l2/Makefile.am | 38 | ||||
| -rw-r--r-- | sys/v4l2/gstv4l2colorbalance.c | 43 | ||||
| -rw-r--r-- | sys/v4l2/gstv4l2xoverlay.c | 15 | ||||
| -rw-r--r-- | sys/v4l2/v4l2_calls.c | 53 | ||||
| -rw-r--r-- | tests/icles/v4l2src-test.c | 241 |
5 files changed, 313 insertions, 77 deletions
diff --git a/sys/v4l2/Makefile.am b/sys/v4l2/Makefile.am index 165657a0..547e0687 100644 --- a/sys/v4l2/Makefile.am +++ b/sys/v4l2/Makefile.am @@ -8,23 +8,29 @@ xv_source = xv_libs = endif -libgstvideo4linux2_la_SOURCES = \ - gstv4l2.c \ - gstv4l2colorbalance.c \ - gstv4l2element.c \ - gstv4l2src.c \ - gstv4l2tuner.c \ - v4l2_calls.c \ - v4l2src_calls.c $(xv_source) +libgstvideo4linux2_la_SOURCES = gstv4l2.c \ + gstv4l2colorbalance.c \ + gstv4l2element.c \ + gstv4l2src.c \ + gstv4l2tuner.c \ + v4l2_calls.c \ + v4l2src_calls.c \ + $(xv_source) -libgstvideo4linux2_la_CFLAGS = $(GST_CFLAGS) $(X_CFLAGS) $(GST_BASE_CFLAGS) \ - $(GST_PLUGINS_BASE_CFLAGS) +libgstvideo4linux2_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) \ + $(GST_BASE_CFLAGS) \ + $(GST_CFLAGS) \ + $(X_CFLAGS) + libgstvideo4linux2_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) -libgstvideo4linux2_la_LIBADD = \ - -lgstinterfaces-$(GST_MAJORMINOR) \ - $(GST_BASE_LIBS) $(GST_LIBS) $(GST_PLUGINS_BASE_LIBS) $(xv_libs) + +libgstvideo4linux2_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) \ + $(GST_BASE_LIBS) \ + $(GST_LIBS) \ + $(xv_libs) \ + -lgstinterfaces-$(GST_MAJORMINOR) noinst_HEADERS = gstv4l2element.h v4l2_calls.h \ - gstv4l2src.h v4l2src_calls.h \ - gstv4l2tuner.h gstv4l2xoverlay.h \ - gstv4l2colorbalance.h + gstv4l2src.h v4l2src_calls.h \ + gstv4l2tuner.h gstv4l2xoverlay.h \ + gstv4l2colorbalance.h diff --git a/sys/v4l2/gstv4l2colorbalance.c b/sys/v4l2/gstv4l2colorbalance.c index cfb3d578..7a0378f7 100644 --- a/sys/v4l2/gstv4l2colorbalance.c +++ b/sys/v4l2/gstv4l2colorbalance.c @@ -27,12 +27,6 @@ #include "gstv4l2colorbalance.h" #include "gstv4l2element.h" -static void -gst_v4l2_color_balance_channel_class_init (GstV4l2ColorBalanceChannelClass * - klass); -static void gst_v4l2_color_balance_channel_init (GstV4l2ColorBalanceChannel * - channel); - static const GList *gst_v4l2_color_balance_list_channels (GstColorBalance * balance); static void gst_v4l2_color_balance_set_value (GstColorBalance * balance, @@ -40,44 +34,27 @@ static void gst_v4l2_color_balance_set_value (GstColorBalance * balance, static gint gst_v4l2_color_balance_get_value (GstColorBalance * balance, GstColorBalanceChannel * channel); -static GstColorBalanceChannelClass *parent_class = NULL; -GType -gst_v4l2_color_balance_channel_get_type (void) +GST_BOILERPLATE (GstV4l2ColorBalanceChannel, + gst_v4l2_color_balance_channel, + GstColorBalanceChannel, GST_TYPE_COLOR_BALANCE_CHANNEL); + + +static void +gst_v4l2_color_balance_channel_base_init (gpointer g_class) { - static GType gst_v4l2_color_balance_channel_type = 0; - - if (!gst_v4l2_color_balance_channel_type) { - static const GTypeInfo v4l2_tuner_channel_info = { - sizeof (GstV4l2ColorBalanceChannelClass), - NULL, - NULL, - (GClassInitFunc) gst_v4l2_color_balance_channel_class_init, - NULL, - NULL, - sizeof (GstV4l2ColorBalanceChannel), - 0, - (GInstanceInitFunc) gst_v4l2_color_balance_channel_init, - NULL - }; - - gst_v4l2_color_balance_channel_type = - g_type_register_static (GST_TYPE_COLOR_BALANCE_CHANNEL, - "GstV4l2ColorBalanceChannel", &v4l2_tuner_channel_info, 0); - } - - return gst_v4l2_color_balance_channel_type; } + static void gst_v4l2_color_balance_channel_class_init (GstV4l2ColorBalanceChannelClass * klass) { - parent_class = g_type_class_peek_parent (klass); } static void -gst_v4l2_color_balance_channel_init (GstV4l2ColorBalanceChannel * channel) +gst_v4l2_color_balance_channel_init (GstV4l2ColorBalanceChannel * channel, + GstV4l2ColorBalanceChannelClass * klass) { channel->id = (guint32) - 1; } diff --git a/sys/v4l2/gstv4l2xoverlay.c b/sys/v4l2/gstv4l2xoverlay.c index 66ea505c..8d597a45 100644 --- a/sys/v4l2/gstv4l2xoverlay.c +++ b/sys/v4l2/gstv4l2xoverlay.c @@ -71,30 +71,33 @@ gst_v4l2_xoverlay_open (GstV4l2Element * v4l2element) /* we need a display, obviously */ if (!name || !(dpy = XOpenDisplay (name))) { - GST_WARNING ("No $DISPLAY set or failed to open - no overlay"); + GST_WARNING_OBJECT (v4l2element, + "No $DISPLAY set or failed to open - no overlay"); return; } /* First let's check that XVideo extension is available */ if (!XQueryExtension (dpy, "XVideo", &i, &i, &i)) { - GST_WARNING ("Xv extension not available - no overlay"); + GST_WARNING_OBJECT (v4l2element, "Xv extension not available - no overlay"); XCloseDisplay (dpy); return; } /* find port that belongs to this device */ if (XvQueryExtension (dpy, &ver, &rel, &req, &ev, &err) != Success) { - GST_WARNING ("Xv extension not supported - no overlay"); + GST_WARNING_OBJECT (v4l2element, "Xv extension not supported - no overlay"); XCloseDisplay (dpy); return; } if (XvQueryAdaptors (dpy, DefaultRootWindow (dpy), &anum, &ai) != Success) { - GST_WARNING ("Failed to query Xv adaptors"); + GST_WARNING_OBJECT (v4l2element, "Failed to query Xv adaptors"); XCloseDisplay (dpy); return; } if (fstat (v4l2element->video_fd, &s) < 0) { - GST_ERROR ("Failed to stat() file descriptor: %s", g_strerror (errno)); + GST_ELEMENT_ERROR (v4l2element, RESOURCE, GST_RESOURCE_ERROR_NOT_FOUND, + (_("Cannot identify '%s': %d, %s\n"), + v4l2element->videodev, errno, strerror (errno)), GST_ERROR_SYSTEM); XCloseDisplay (dpy); return; } @@ -112,7 +115,7 @@ gst_v4l2_xoverlay_open (GstV4l2Element * v4l2element) XvFreeAdaptorInfo (ai); if (id == 0) { - GST_WARNING ("Did not find XvPortID for device - no overlay"); + GST_WARNING (v4l2element, "Did not find XvPortID for device - no overlay"); XCloseDisplay (dpy); return; } diff --git a/sys/v4l2/v4l2_calls.c b/sys/v4l2/v4l2_calls.c index 81516b41..a43811fd 100644 --- a/sys/v4l2/v4l2_calls.c +++ b/sys/v4l2/v4l2_calls.c @@ -48,13 +48,14 @@ GST_DEBUG_CATEGORY_EXTERN (v4l2_debug); gboolean gst_v4l2_get_capabilities (GstV4l2Element * v4l2element) { - GST_DEBUG ("getting capabilities"); + GST_DEBUG_OBJECT (v4l2element, "getting capabilities"); if (!GST_V4L2_IS_OPEN (v4l2element)) return FALSE; if (ioctl (v4l2element->video_fd, VIDIOC_QUERYCAP, &(v4l2element->vcap)) < 0) { - GST_ERROR_OBJECT (v4l2element, "Error getting %s capabilities: %s", - v4l2element->videodev, g_strerror (errno)); + GST_ELEMENT_ERROR (v4l2element, RESOURCE, SETTINGS, + (_("Error getting capabilities '%s': %d, %s\n"), + v4l2element->videodev, errno, strerror (errno)), GST_ERROR_SYSTEM); return FALSE; } @@ -74,7 +75,7 @@ gst_v4l2_fill_lists (GstV4l2Element * v4l2element) gint n; GstPadDirection dir = GST_PAD_UNKNOWN; - GST_DEBUG ("getting enumerations"); + GST_DEBUG_OBJECT (v4l2element, "getting enumerations"); GST_V4L2_CHECK_OPEN (v4l2element); if (dir != GST_PAD_SINK) { @@ -242,7 +243,8 @@ gst_v4l2_fill_lists (GstV4l2Element * v4l2element) /* we only handle these for now */ break; default: - GST_DEBUG ("ControlID %s (%d) unhandled, FIXME", control.name, n); + GST_DEBUG_OBJECT (v4l2element, "ControlID %s (%d) unhandled, FIXME", + control.name, n); control.id++; break; } @@ -305,7 +307,7 @@ gst_v4l2_fill_lists (GstV4l2Element * v4l2element) static void gst_v4l2_empty_lists (GstV4l2Element * v4l2element) { - GST_DEBUG ("deleting enumerations"); + GST_DEBUG_OBJECT (v4l2element, "deleting enumerations"); g_list_foreach (v4l2element->inputs, (GFunc) g_object_unref, NULL); g_list_free (v4l2element->inputs); @@ -381,7 +383,8 @@ gst_v4l2_open (GstV4l2Element * v4l2element) { struct stat st; - GST_DEBUG ("Trying to open device %s", v4l2element->videodev); + GST_DEBUG_OBJECT (v4l2element, "Trying to open device %s", + v4l2element->videodev); GST_V4L2_CHECK_NOT_OPEN (v4l2element); GST_V4L2_CHECK_NOT_ACTIVE (v4l2element); @@ -391,12 +394,15 @@ gst_v4l2_open (GstV4l2Element * v4l2element) /* check if it is a device */ if (-1 == stat (v4l2element->videodev, &st)) { - GST_ERROR ("Cannot identify '%s': %d, %s\n", - v4l2element->videodev, errno, strerror (errno)); + GST_ELEMENT_ERROR (v4l2element, RESOURCE, NOT_FOUND, + (_("Cannot identify '%s': %d, %s\n"), + v4l2element->videodev, errno, strerror (errno)), GST_ERROR_SYSTEM); goto error; } if (!S_ISCHR (st.st_mode)) { - GST_ERROR ("%s is no device\n", v4l2element->videodev); + GST_ELEMENT_ERROR (v4l2element, RESOURCE, NOT_FOUND, + (_("It isn't a device '%s': %d, %s\n"), + v4l2element->videodev, errno, strerror (errno)), GST_ERROR_SYSTEM); goto error; } @@ -460,7 +466,7 @@ error: gboolean gst_v4l2_close (GstV4l2Element * v4l2element) { - GST_DEBUG ("Trying to close %s", v4l2element->videodev); + GST_DEBUG_OBJECT (v4l2element, "Trying to close %s", v4l2element->videodev); GST_V4L2_CHECK_OPEN (v4l2element); GST_V4L2_CHECK_NOT_ACTIVE (v4l2element); @@ -484,7 +490,7 @@ gst_v4l2_close (GstV4l2Element * v4l2element) gboolean gst_v4l2_get_norm (GstV4l2Element * v4l2element, v4l2_std_id * norm) { - GST_DEBUG ("getting norm"); + GST_DEBUG_OBJECT (v4l2element, "getting norm"); if (!GST_V4L2_IS_OPEN (v4l2element)) return FALSE; @@ -508,7 +514,7 @@ gst_v4l2_get_norm (GstV4l2Element * v4l2element, v4l2_std_id * norm) gboolean gst_v4l2_set_norm (GstV4l2Element * v4l2element, v4l2_std_id norm) { - GST_DEBUG ("trying to set norm to %llx", norm); + GST_DEBUG_OBJECT (v4l2element, "trying to set norm to %llx", norm); if (!GST_V4L2_IS_OPEN (v4l2element)) return FALSE; if (!GST_V4L2_IS_ACTIVE (v4l2element)) @@ -536,7 +542,7 @@ gst_v4l2_get_input (GstV4l2Element * v4l2element, gint * input) { gint n; - GST_DEBUG ("trying to get input"); + GST_DEBUG_OBJECT (v4l2element, "trying to get input"); if (!GST_V4L2_IS_OPEN (v4l2element)) return FALSE; @@ -562,7 +568,7 @@ gst_v4l2_get_input (GstV4l2Element * v4l2element, gint * input) gboolean gst_v4l2_set_input (GstV4l2Element * v4l2element, gint input) { - GST_DEBUG ("trying to set input to %d", input); + GST_DEBUG_OBJECT (v4l2element, "trying to set input to %d", input); if (!GST_V4L2_IS_OPEN (v4l2element)) return FALSE; if (!GST_V4L2_IS_ACTIVE (v4l2element)) @@ -589,7 +595,7 @@ gst_v4l2_get_output (GstV4l2Element * v4l2element, gint * output) { gint n; - GST_DEBUG ("trying to get output"); + GST_DEBUG_OBJECT (v4l2element, "trying to get output"); if (!GST_V4L2_IS_OPEN (v4l2element)) return FALSE; @@ -615,7 +621,7 @@ gst_v4l2_get_output (GstV4l2Element * v4l2element, gint * output) gboolean gst_v4l2_set_output (GstV4l2Element * v4l2element, gint output) { - GST_DEBUG ("trying to set output to %d", output); + GST_DEBUG_OBJECT (v4l2element, "trying to set output to %d", output); if (!GST_V4L2_IS_OPEN (v4l2element)) return FALSE; if (!GST_V4L2_IS_ACTIVE (v4l2element)) @@ -645,7 +651,7 @@ gst_v4l2_get_frequency (GstV4l2Element * v4l2element, struct v4l2_frequency freq; GstTunerChannel *channel; - GST_DEBUG ("getting current tuner frequency"); + GST_DEBUG_OBJECT (v4l2element, "getting current tuner frequency"); if (!GST_V4L2_IS_OPEN (v4l2element)) return FALSE; @@ -678,7 +684,8 @@ gst_v4l2_set_frequency (GstV4l2Element * v4l2element, struct v4l2_frequency freq; GstTunerChannel *channel; - GST_DEBUG ("setting current tuner frequency to %lu", frequency); + GST_DEBUG_OBJECT (v4l2element, "setting current tuner frequency to %lu", + frequency); if (!GST_V4L2_IS_OPEN (v4l2element)) return FALSE; if (!GST_V4L2_IS_ACTIVE (v4l2element)) @@ -714,7 +721,7 @@ gst_v4l2_signal_strength (GstV4l2Element * v4l2element, { struct v4l2_tuner tuner; - GST_DEBUG ("trying to get signal strength"); + GST_DEBUG_OBJECT (v4l2element, "trying to get signal strength"); if (!GST_V4L2_IS_OPEN (v4l2element)) return FALSE; @@ -747,7 +754,8 @@ gst_v4l2_get_attribute (GstV4l2Element * v4l2element, if (!GST_V4L2_IS_OPEN (v4l2element)) return FALSE; - GST_DEBUG ("getting value of attribute %d", attribute_num); + GST_DEBUG_OBJECT (v4l2element, "getting value of attribute %d", + attribute_num); control.id = attribute_num; @@ -779,7 +787,8 @@ gst_v4l2_set_attribute (GstV4l2Element * v4l2element, if (!GST_V4L2_IS_OPEN (v4l2element)) return FALSE; - GST_DEBUG ("setting value of attribute %d to %d", attribute_num, value); + GST_DEBUG_OBJECT (v4l2element, "setting value of attribute %d to %d", + attribute_num, value); control.id = attribute_num; control.value = value; diff --git a/tests/icles/v4l2src-test.c b/tests/icles/v4l2src-test.c new file mode 100644 index 00000000..b8f85e15 --- /dev/null +++ b/tests/icles/v4l2src-test.c @@ -0,0 +1,241 @@ + +#include <gst/gst.h> +#include <gst/interfaces/tuner.h> +#include <gst/interfaces/colorbalance.h> + +GstElement *pipeline, *source, *sink; +GMainLoop *loop; +volatile int exit_read = 0; + +void +print_options () +{ + printf + ("\nLaunch \"./v4l2src-test.c devname\" to choose the device (default: /dev/video0)\n"); + printf ("\nf - to change the fequency\n"); + printf ("i - to change the input\n"); + printf ("c - list color balance\n"); + printf ("e - to exit\n"); +} + +void +run_options (char opt) +{ + switch (opt) { + case 'f': + { + GstTuner *tuner = GST_TUNER (source); + GstTunerChannel *channel = gst_tuner_get_channel (tuner); + guint freq; + + printf ("type the new frequency (current = %lu) (-1 to cancel): ", + gst_tuner_get_frequency (tuner, channel)); + scanf ("%u", &freq); + if (freq != -1) + gst_tuner_set_frequency (tuner, channel, freq); + } + break; + case 'i': + { + GstTuner *tuner = GST_TUNER (source); + const GList *item, *list; + const GstTunerChannel *current_channel; + GstTunerChannel *channel = NULL; + gint index, next_channel; + + list = gst_tuner_list_channels (tuner); + current_channel = gst_tuner_get_channel (tuner); + + printf ("\nlist of inputs:\n"); + for (item = list, index = 0; item != NULL; item = item->next, ++index) { + channel = item->data; + if (current_channel == channel) { + printf (" * %u - %s\n", index, channel->label); + } else { + printf (" %u - %s\n", index, channel->label); + } + } + printf ("\ntype the number of input you want (-1 to cancel): "); + scanf ("%d", &next_channel); + if (next_channel < 0 || index <= next_channel) { + break; + } + for (item = list, index = 0; item != NULL && index <= next_channel; + item = item->next, ++index) { + channel = item->data; + } + if (channel) + gst_tuner_set_channel (tuner, channel); + } + break; + case 'e': + gst_element_set_state (pipeline, GST_STATE_NULL); + g_main_loop_quit (loop); + printf ("Bye\n"); + g_thread_exit (0); + break; + case 'c': + { + GstColorBalance *balance = GST_COLOR_BALANCE (source); + const GList *controls = gst_color_balance_list_channels (balance); + GstColorBalanceChannel *channel; + const GList *item; + gint index, new_value; + + if (controls) { + printf ("\nlist of controls:\n"); + for (item = controls, index = 0; item != NULL; + item = item->next, ++index) { + channel = item->data; + printf (" %u - %s (%d - %d) = %d\n", index, channel->label, + channel->min_value, channel->max_value, + gst_color_balance_get_value (balance, channel)); + } + printf ("\ntype the number of color control you want (-1 to cancel): "); + scanf ("%d", &new_value); + if (new_value == -1) + break; + for (item = controls, index = 0; item != NULL && index <= new_value; + item = item->next, ++index) { + channel = item->data; + } + printf (" %u - %s (%d - %d) = %d, type the new value: ", index, + channel->label, channel->min_value, channel->max_value, + gst_color_balance_get_value (balance, channel)); + scanf ("%d", &new_value); + if (new_value == -1) + break; + gst_color_balance_set_value (balance, channel, new_value); + } + } + break; + default: + if (opt != 10) + printf ("error: invalid option %c", opt); + break; + } + +} + +gpointer +read_user (gpointer data) +{ + + char opt; + + while (!exit_read) { + + print_options (); + + opt = getchar (); + if (exit_read) { + break; + } + + run_options (opt); + + } + + return NULL; + +} + +static gboolean +my_bus_callback (GstBus * bus, GstMessage * message, gpointer data) +{ + + switch (GST_MESSAGE_TYPE (message)) { + case GST_MESSAGE_ERROR:{ + GError *err; + gchar *debug; + + gst_message_parse_error (message, &err, &debug); + g_print ("Error: %s - element %s\n", err->message, + gst_element_get_name (message->src)); + g_error_free (err); + g_free (debug); + + printf ("presse any key to exit\n"); + exit_read = 1; + g_main_loop_quit (loop); + break; + case GST_MESSAGE_EOS: + /* end-of-stream */ + printf ("presse any key to exit\n"); + exit_read = 1; + g_main_loop_quit (loop); + break; + default: + break; + } + } + return TRUE; +} + +int +main (int argc, char *argv[]) +{ + + GThread *input_thread; + + /* init */ + gst_init (&argc, &argv); + + /* create elements */ + if (!(pipeline = gst_pipeline_new ("my_pipeline"))) { + fprintf (stderr, "error: gst_pipeline_new return NULL"); + return -1; + } + + if (!(source = gst_element_factory_make ("v4l2src", NULL))) { + fprintf (stderr, + "error: gst_element_factory_make (\"v4l2src\", NULL) return NULL"); + return -1; + } + + if (!(sink = gst_element_factory_make ("xvimagesink", NULL))) { + fprintf (stderr, + "error: gst_element_factory_make (\"xvimagesink\", NULL) return NULL"); + return -1; + } + + if (argv < 2) { + g_object_set (source, "device", "/dev/video0", NULL); + } else { + g_object_set (source, "device", argv[1], NULL); + } + + /* you would normally check that the elements were created properly */ + gst_bus_add_watch (gst_pipeline_get_bus (GST_PIPELINE (pipeline)), + my_bus_callback, NULL); + + /* put together a pipeline */ + gst_bin_add_many (GST_BIN (pipeline), source, sink, NULL); + gst_element_link_pads (source, "src", sink, "sink"); + + /* start the pipeline */ + gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING); + loop = g_main_loop_new (NULL, FALSE); + + if (!(input_thread = g_thread_create (read_user, source, TRUE, NULL))) { + fprintf (stderr, "error: g_thread_create return NULL"); + return -1; + } + + if (argv < 2) + printf + ("\nOpening /dev/video0. Launch ./v4l2src-test.c devname to try another one\n"); + + + g_main_loop_run (loop); + g_thread_join (input_thread); + + gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL); + + gst_object_unref (pipeline); + + gst_deinit (); + + return 0; + +} |