mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2025-03-13 07:02:53 +00:00
Added loop_based option
Original commit message from CVS: Added loop_based option Added multiple pad output
This commit is contained in:
Wim Taymans
parent
7dcd7a13a1
commit
47c1e14677
4 changed files with 156 additions and 6 deletions
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@ -41,6 +41,7 @@ enum {
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enum {
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ARG_0,
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ARG_NUM_SOURCES,
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ARG_LOOP_BASED,
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};
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@ -50,7 +51,8 @@ static void gst_fakesrc_init (GstFakeSrc *fakesrc);
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static void gst_fakesrc_set_arg (GtkObject *object, GtkArg *arg, guint id);
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static void gst_fakesrc_get_arg (GtkObject *object, GtkArg *arg, guint id);
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static GstBuffer * gst_fakesrc_get (GstPad *pad);
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static GstBuffer* gst_fakesrc_get (GstPad *pad);
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static void gst_fakesrc_loop (GstElement *element);
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static GstSrcClass *parent_class = NULL;
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static guint gst_fakesrc_signals[LAST_SIGNAL] = { 0 };
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@ -89,6 +91,8 @@ gst_fakesrc_class_init (GstFakeSrcClass *klass)
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gtk_object_add_arg_type ("GstFakeSrc::num_sources", GTK_TYPE_INT,
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GTK_ARG_READWRITE, ARG_NUM_SOURCES);
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gtk_object_add_arg_type ("GstIdentity::loop_based", GTK_TYPE_BOOL,
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GTK_ARG_READWRITE, ARG_LOOP_BASED);
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gtkobject_class->set_arg = gst_fakesrc_set_arg;
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gtkobject_class->get_arg = gst_fakesrc_get_arg;
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@ -103,7 +107,9 @@ gst_fakesrc_class_init (GstFakeSrcClass *klass)
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}
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static void gst_fakesrc_init(GstFakeSrc *fakesrc) {
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static void
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gst_fakesrc_init (GstFakeSrc *fakesrc)
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{
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GstPad *pad;
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// set the default number of
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@ -115,10 +121,33 @@ static void gst_fakesrc_init(GstFakeSrc *fakesrc) {
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gst_element_add_pad(GST_ELEMENT(fakesrc),pad);
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fakesrc->srcpads = g_slist_append(NULL,pad);
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fakesrc->loop_based = FALSE;
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// we're ready right away, since we don't have any args...
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// gst_element_set_state(GST_ELEMENT(fakesrc),GST_STATE_READY);
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}
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static void
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gst_fakesrc_update_functions (GstFakeSrc *src)
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{
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GSList *pads;
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GstPadGetFunction func;
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pads = src->srcpads;
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while (pads) {
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GstPad *pad = GST_PAD (pads->data);
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if (src->loop_based) {
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gst_element_set_loop_function (GST_ELEMENT (src), gst_fakesrc_loop);
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gst_fakesrc_set_get_function (pad, NULL);
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}
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else {
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gst_fakesrc_set_get_function (pad, gst_fakesrc_get);
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gst_element_set_loop_function (GST_ELEMENT (src), NULL);
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}
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pads = g_slist_next (pads);
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}
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}
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static void
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gst_fakesrc_set_arg (GtkObject *object, GtkArg *arg, guint id)
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{
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@ -135,13 +164,17 @@ gst_fakesrc_set_arg (GtkObject *object, GtkArg *arg, guint id)
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if (new_numsrcs > src->numsrcpads) {
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while (src->numsrcpads != new_numsrcs) {
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pad = gst_pad_new(g_strdup_printf("src%d",src->numsrcpads),GST_PAD_SRC);
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gst_pad_set_get_function(pad,gst_fakesrc_get);
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gst_element_add_pad(GST_ELEMENT(src),pad);
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src->srcpads = g_slist_append(src->srcpads,pad);
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src->numsrcpads++;
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}
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gst_fakesrc_update_functions (src);
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}
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break;
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case ARG_LOOP_BASED:
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src->loop_based = GTK_VALUE_BOOL (*arg);
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gst_fakesrc_update_functions (src);
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break;
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default:
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break;
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}
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@ -161,6 +194,9 @@ gst_fakesrc_get_arg (GtkObject *object, GtkArg *arg, guint id)
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case ARG_NUM_SOURCES:
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GTK_VALUE_INT (*arg) = src->numsrcpads;
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break;
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case ARG_LOOP_BASED:
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GTK_VALUE_BOOL (*arg) = src->loop_based;
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break;
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default:
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arg->type = GTK_TYPE_INVALID;
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break;
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@ -192,3 +228,41 @@ gst_fakesrc_get(GstPad *pad)
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return buf;
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}
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/**
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* gst_fakesrc_get:
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* @src: the faksesrc to get
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*
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* generate an empty buffer and push it to the next element.
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*/
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static void
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gst_fakesrc_loop(GstElement *element)
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{
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GstFakeSrc *src;
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g_return_if_fail(element != NULL);
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g_return_if_fail(GST_IS_FAKESRC(element));
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src = GST_FAKESRC (element);
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do {
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GSList *pads;
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pads = src->srcpads;
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while (pads) {
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GstPad *pad = GST_PAD (pads->data);
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GstBuffer *buf;
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buf = gst_buffer_new();
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g_print("(%s:%s)> ",GST_DEBUG_PAD_NAME(pad));
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gtk_signal_emit (GTK_OBJECT (src), gst_fakesrc_signals[SIGNAL_HANDOFF],
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src);
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gst_pad_push (pad, buf);
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if (!GST_ELEMENT_IS_COTHREAD_STOPPING (element)) break;
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}
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} while (!GST_ELEMENT_IS_COTHREAD_STOPPING (element));
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}
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@ -51,6 +51,7 @@ typedef struct _GstFakeSrcClass GstFakeSrcClass;
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struct _GstFakeSrc {
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GstSrc src;
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gboolean loop_based;
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gint numsrcpads;
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GSList *srcpads;
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};
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@ -41,6 +41,7 @@ enum {
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enum {
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ARG_0,
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ARG_NUM_SOURCES,
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ARG_LOOP_BASED,
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};
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@ -50,7 +51,8 @@ static void gst_fakesrc_init (GstFakeSrc *fakesrc);
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static void gst_fakesrc_set_arg (GtkObject *object, GtkArg *arg, guint id);
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static void gst_fakesrc_get_arg (GtkObject *object, GtkArg *arg, guint id);
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static GstBuffer * gst_fakesrc_get (GstPad *pad);
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static GstBuffer* gst_fakesrc_get (GstPad *pad);
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static void gst_fakesrc_loop (GstElement *element);
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static GstSrcClass *parent_class = NULL;
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static guint gst_fakesrc_signals[LAST_SIGNAL] = { 0 };
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@ -89,6 +91,8 @@ gst_fakesrc_class_init (GstFakeSrcClass *klass)
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gtk_object_add_arg_type ("GstFakeSrc::num_sources", GTK_TYPE_INT,
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GTK_ARG_READWRITE, ARG_NUM_SOURCES);
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gtk_object_add_arg_type ("GstIdentity::loop_based", GTK_TYPE_BOOL,
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GTK_ARG_READWRITE, ARG_LOOP_BASED);
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gtkobject_class->set_arg = gst_fakesrc_set_arg;
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gtkobject_class->get_arg = gst_fakesrc_get_arg;
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@ -103,7 +107,9 @@ gst_fakesrc_class_init (GstFakeSrcClass *klass)
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}
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static void gst_fakesrc_init(GstFakeSrc *fakesrc) {
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static void
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gst_fakesrc_init (GstFakeSrc *fakesrc)
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{
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GstPad *pad;
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// set the default number of
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@ -115,10 +121,33 @@ static void gst_fakesrc_init(GstFakeSrc *fakesrc) {
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gst_element_add_pad(GST_ELEMENT(fakesrc),pad);
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fakesrc->srcpads = g_slist_append(NULL,pad);
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fakesrc->loop_based = FALSE;
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// we're ready right away, since we don't have any args...
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// gst_element_set_state(GST_ELEMENT(fakesrc),GST_STATE_READY);
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}
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static void
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gst_fakesrc_update_functions (GstFakeSrc *src)
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{
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GSList *pads;
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GstPadGetFunction func;
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pads = src->srcpads;
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while (pads) {
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GstPad *pad = GST_PAD (pads->data);
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if (src->loop_based) {
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gst_element_set_loop_function (GST_ELEMENT (src), gst_fakesrc_loop);
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gst_fakesrc_set_get_function (pad, NULL);
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}
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else {
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gst_fakesrc_set_get_function (pad, gst_fakesrc_get);
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gst_element_set_loop_function (GST_ELEMENT (src), NULL);
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}
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pads = g_slist_next (pads);
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}
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}
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static void
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gst_fakesrc_set_arg (GtkObject *object, GtkArg *arg, guint id)
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{
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@ -135,13 +164,17 @@ gst_fakesrc_set_arg (GtkObject *object, GtkArg *arg, guint id)
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if (new_numsrcs > src->numsrcpads) {
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while (src->numsrcpads != new_numsrcs) {
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pad = gst_pad_new(g_strdup_printf("src%d",src->numsrcpads),GST_PAD_SRC);
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gst_pad_set_get_function(pad,gst_fakesrc_get);
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gst_element_add_pad(GST_ELEMENT(src),pad);
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src->srcpads = g_slist_append(src->srcpads,pad);
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src->numsrcpads++;
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}
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gst_fakesrc_update_functions (src);
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}
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break;
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case ARG_LOOP_BASED:
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src->loop_based = GTK_VALUE_BOOL (*arg);
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gst_fakesrc_update_functions (src);
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break;
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default:
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break;
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}
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@ -161,6 +194,9 @@ gst_fakesrc_get_arg (GtkObject *object, GtkArg *arg, guint id)
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case ARG_NUM_SOURCES:
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GTK_VALUE_INT (*arg) = src->numsrcpads;
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break;
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case ARG_LOOP_BASED:
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GTK_VALUE_BOOL (*arg) = src->loop_based;
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break;
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default:
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arg->type = GTK_TYPE_INVALID;
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break;
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@ -192,3 +228,41 @@ gst_fakesrc_get(GstPad *pad)
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return buf;
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}
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/**
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* gst_fakesrc_get:
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* @src: the faksesrc to get
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*
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* generate an empty buffer and push it to the next element.
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*/
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static void
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gst_fakesrc_loop(GstElement *element)
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{
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GstFakeSrc *src;
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g_return_if_fail(element != NULL);
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g_return_if_fail(GST_IS_FAKESRC(element));
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src = GST_FAKESRC (element);
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do {
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GSList *pads;
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pads = src->srcpads;
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while (pads) {
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GstPad *pad = GST_PAD (pads->data);
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GstBuffer *buf;
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buf = gst_buffer_new();
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g_print("(%s:%s)> ",GST_DEBUG_PAD_NAME(pad));
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gtk_signal_emit (GTK_OBJECT (src), gst_fakesrc_signals[SIGNAL_HANDOFF],
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src);
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gst_pad_push (pad, buf);
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if (!GST_ELEMENT_IS_COTHREAD_STOPPING (element)) break;
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}
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} while (!GST_ELEMENT_IS_COTHREAD_STOPPING (element));
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}
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@ -51,6 +51,7 @@ typedef struct _GstFakeSrcClass GstFakeSrcClass;
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struct _GstFakeSrc {
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GstSrc src;
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gboolean loop_based;
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gint numsrcpads;
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GSList *srcpads;
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};
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